2 Way Slab Design for First Floor Option-1 Trial

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  • 8/21/2019 2 Way Slab Design for First Floor Option-1 Trial

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    VALUE OF KY(+ve) KY(-ve) VALUES OF KX(+VE)

    CASE NUMBER 1 2 CASE NUMBER 1 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08

    1 0.024 0.032 1 0.024 0.0244 0.0248 0.0252 0.0256 0.026 0.0264 0.0268 0.0272

    2 0.028 0.037 2 0.028 0.0284 0.0288 0.0292 0.0296 0.03 0.0304 0.0308 0.0312

    3 0.028 0.037 3 0.028 0.0285 0.029 0.0295 0.03 0.0305 0.031 0.0315 0.032

    4 0.035 0.047 4 0.035 0.0355 0.036 0.0365 0.037 0.0375 0.038 0.0385 0.039

    5 0.035 0 5 0.035 0.0352 0.0354 0.0356 0.0358 0.036 0.0362 0.0364 0.0366

    6 0.035 0.045 6 0.035 0.0358 0.0366 0.0374 0.0382 0.039 0.0398 0.0406 0.0414

    7 0.043 0 7 0.043 0.0435 0.044 0.0445 0.045 0.0455 0.046 0.0465 0.047

    8 0.043 0.057 8 0.043 0.0438 0.0446 0.0454 0.0462 0.047 0.0478 0.0486 0.0494

    9 0.056 0 9 0.056 0.0568 0.0576 0.0584 0.0592 0.06 0.0608 0.0616 0.0624

    VALUES OF KX(-VE)

    Case No: Case Discription CASE NUMBER

    1 Interior Pannel 1 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08

    2 One Short Edge Discontinuous' 1 0.032 0.0325 0.033 0.0335 0.034 0.0345 0.035 0.0355 0.036

    3 One Long Edge Discontinuous' 2 0.037 0.0376 0.0382 0.0388 0.0394 0.04 0.0406 0.0412 0.0418

    4 Two Adjacent Edges Discontinuous 3 0.037 0.0377 0.0384 0.0391 0.0398 0.0405 0.0412 0.0419 0.0426

    5 Two Short Edges Discontinuous 4 0.047 0.0476 0.0482 0.0488 0.0494 0.05 0.0506 0.0512 0.0518

    6 Two Long Edges Discontinuous 5 0.045 0.0454 0.0458 0.0462 0.0466 0.047 0.0474 0.0478 0.0482

    7 Three Edges Disontinuos - One Long Edge Continuous) 6 0 0 0 0 0 0 0 0 0

    8 Three Edges Disontinuos - One Short Edge Continuous) 7 0.057 0.0577 0.0584 0.0591 0.0598 0.0605 0.0612 0.0619 0.0626

    9 Four Edges Discontinuous 8 0 0 0 0 0 0 0 0 0

    9 0 0 0 0 0 0 0 0 0

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    1.15 1.16 1.17 1.18 1.19 1.2 1.21 1.22 1.23 1.24 1.25 1.26 1.27 1.28 1.29 1.3 1.31 1.32 1.33 1.3

    0.03 0.0304 0.0308 0.0312 0.0316 0.032 0.0324 0.0328 0.0332 0.0336 0.034 0.0344 0.0348 0.0352 0.0356 0.036 0.0363 0.0366 0.0369 0.03

    0.034 0.0344 0.0348 0.0352 0.0356 0.036 0.0363 0.0366 0.0369 0.0372 0.0375 0.0378 0.0381 0.0384 0.0387 0.039 0.0392 0.0394 0.0396 0.03

    0.036 0.0366 0.0372 0.0378 0.0384 0.039 0.0395 0.04 0.0405 0.041 0.0415 0.042 0.0425 0.043 0.0435 0.044 0.0443 0.0446 0.0449 0.04

    0.0425 0.043 0.0435 0.044 0.0445 0.045 0.0454 0.0458 0.0462 0.0466 0.047 0.0474 0.0478 0.0482 0.0486 0.049 0.0494 0.0498 0.0502 0.05

    0.0385 0.0388 0.0391 0.0394 0.0397 0.04 0.0403 0.0406 0.0409 0.0412 0.0415 0.0418 0.0421 0.0424 0.0427 0.043 0.0431 0.0432 0.0433 0.04

    0.047 0.0478 0.0486 0.0494 0.0502 0.051 0.0516 0.0522 0.0528 0.0534 0.054 0.0546 0.0552 0.0558 0.0564 0.057 0.0576 0.0582 0.0588 0.05

    0.0505 0.051 0.0515 0.052 0.0525 0.053 0.0534 0.0538 0.0542 0.0546 0.055 0.0554 0.0558 0.0562 0.0566 0.057 0.0573 0.0576 0.0579 0.05

    0.055 0.0558 0.0566 0.0574 0.0582 0.059 0.0596 0.0602 0.0608 0.0614 0.062 0.0626 0.0632 0.0638 0.0644 0.065 0.0656 0.0662 0.0668 0.06

    0.068 0.0688 0.0696 0.0704 0.0712 0.072 0.0727 0.0734 0.0741 0.0748 0.0755 0.0762 0.0769 0.0776 0.0783 0.079 0.0796 0.0802 0.0808 0.08

    1.15 1.16 1.17 1.18 1.19 1.2 1.21 1.22 1.23 1.24 1.25 1.26 1.27 1.28 1.29 1.3 1.31 1.32 1.33 1.3

    0.04 0.0406 0.0412 0.0418 0.0424 0.043 0.0434 0.0438 0.0442 0.0446 0.045 0.0454 0.0458 0.0462 0.0466 0.047 0.0474 0.0478 0.0482 0.04

    0.0455 0.046 0.0465 0.047 0.0475 0.048 0.0483 0.0486 0.0489 0.0492 0.0495 0.0498 0.0501 0.0504 0.0507 0.051 0.0514 0.0518 0.0522 0.05

    0.048 0.0488 0.0496 0.0504 0.0512 0.052 0.0525 0.053 0.0535 0.054 0.0545 0.055 0.0555 0.056 0.0565 0.057 0.0576 0.0582 0.0588 0.05

    0.0565 0.0572 0.0579 0.0586 0.0593 0.06 0.0605 0.061 0.0615 0.062 0.0625 0.063 0.0635 0.064 0.0645 0.065 0.0656 0.0662 0.0668 0.06

    0.0505 0.0508 0.0511 0.0514 0.0517 0.052 0.0524 0.0528 0.0532 0.0536 0.054 0.0544 0.0548 0.0552 0.0556 0.056 0.0563 0.0566 0.0569 0.05

    0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

    0.0675 0.0682 0.0689 0.0696 0.0703 0.071 0.0715 0.072 0.0725 0.073 0.0735 0.074 0.0745 0.075 0.0755 0.076 0.0764 0.0768 0.0772 0.07

    0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

    0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

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    1.41 1.42 1.43 1.44 1.45 1.46 1.47 1.48 1.49 1.5 1.51 1.52 1.53 1.54 1.55 1.56 1.57 1.58 1.59 1.6

    0.0392 0.0394 0.0396 0.0398 0.04 0.0402 0.0404 0.0406 0.0408 0.041 0.04116 0.04132 0.04148 0.04164 0.0418 0.04196 0.04212 0.04228 0.04244 0.04

    0.0413 0.0416 0.0419 0.0422 0.0425 0.0428 0.0431 0.0434 0.0437 0.044 0.04416 0.04432 0.04448 0.04464 0.0448 0.04496 0.04512 0.04528 0.04544 0.04

    0.0474 0.0478 0.0482 0.0486 0.049 0.0494 0.0498 0.0502 0.0506 0.051 0.05132 0.05164 0.05196 0.05228 0.0526 0.05292 0.05324 0.05356 0.05388 0.05

    0.0533 0.0536 0.0539 0.0542 0.0545 0.0548 0.0551 0.0554 0.0557 0.056 0.05628 0.05656 0.05684 0.05712 0.0574 0.05768 0.05796 0.05824 0.05852 0.05

    0.0441 0.0442 0.0443 0.0444 0.0445 0.0446 0.0447 0.0448 0.0449 0.045 0.04516 0.04532 0.04548 0.04564 0.0458 0.04596 0.04612 0.04628 0.04644 0.04

    0.0635 0.064 0.0645 0.065 0.0655 0.066 0.0665 0.067 0.0675 0.068 0.06848 0.06896 0.06944 0.06992 0.0704 0.07088 0.07136 0.07184 0.07232 0.07

    0.0604 0.0608 0.0612 0.0616 0.062 0.0624 0.0628 0.0632 0.0636 0.064 0.0642 0.0644 0.0646 0.0648 0.065 0.0652 0.0654 0.0656 0.0658 0.06

    0.0715 0.072 0.0725 0.073 0.0735 0.074 0.0745 0.075 0.0755 0.076 0.07644 0.07688 0.07732 0.07776 0.0782 0.07864 0.07908 0.07952 0.07996 0.08

    0.0854 0.0858 0.0862 0.0866 0.087 0.0874 0.0878 0.0882 0.0886 0.089 0.08944 0.08988 0.09032 0.09076 0.0912 0.09164 0.09208 0.09252 0.09296 0.09

    1.41 1.42 1.43 1.44 1.45 1.46 1.47 1.48 1.49 1.5 1.51 1.52 1.53 1.54 1.55 1.56 1.57 1.58 1.59 1.6

    0.0512 0.0514 0.0516 0.0518 0.052 0.0522 0.0524 0.0526 0.0528 0.053 0.05328 0.05356 0.05384 0.05412 0.0544 0.05468 0.05496 0.05524 0.05552 0.05

    0.0552 0.0554 0.0556 0.0558 0.056 0.0562 0.0564 0.0566 0.0568 0.057 0.05728 0.05756 0.05784 0.05812 0.0584 0.05868 0.05896 0.05924 0.05952 0.05

    0.0634 0.0638 0.0642 0.0646 0.065 0.0654 0.0658 0.0662 0.0666 0.067 0.0674 0.0678 0.0682 0.0686 0.069 0.0694 0.0698 0.0702 0.0706 0.07

    0.0714 0.0718 0.0722 0.0726 0.073 0.0734 0.0738 0.0742 0.0746 0.075 0.07536 0.07572 0.07608 0.07644 0.0768 0.07716 0.07752 0.07788 0.07824 0.07

    0.0591 0.0592 0.0593 0.0594 0.0595 0.0596 0.0597 0.0598 0.0599 0.06 0.0602 0.0604 0.0606 0.0608 0.061 0.0612 0.0614 0.0616 0.0618 0.06

    0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

    0.0804 0.0808 0.0812 0.0816 0.082 0.0824 0.0828 0.0832 0.0836 0.084 0.08428 0.08456 0.08484 0.08512 0.0854 0.08568 0.08596 0.08624 0.08652 0.08

    0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

    0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

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    1.67 1.68 1.69 1.7 1.71 1.72 1.73 1.74 1.75 1.76 1.77 1.78 1.79 1.8 1.81 1.82 1.83 1.84 1.85 1.8

    0.04372 0.04388 0.04404 0.0442 0.04436 0.04452 0.04468 0.04484 0.045 0.04516 0.04532 0.04548 0.04564 0.0458 0.04596 0.04612 0.04628 0.04644 0.0466 0.046

    0.04672 0.04688 0.04704 0.0472 0.04736 0.04752 0.04768 0.04784 0.048 0.04816 0.04832 0.04848 0.04864 0.0488 0.04896 0.04912 0.04928 0.04944 0.0496 0.049

    0.05644 0.05676 0.05708 0.0574 0.05772 0.05804 0.05836 0.05868 0.059 0.05924 0.05948 0.05972 0.05996 0.0602 0.06044 0.06068 0.06092 0.06116 0.0614 0.06

    0.06076 0.06104 0.06132 0.0616 0.06188 0.06216 0.06244 0.06272 0.063 0.06324 0.06348 0.06372 0.06396 0.0642 0.06444 0.06468 0.06492 0.06516 0.0654 0.065

    0.04772 0.04788 0.04804 0.0482 0.04836 0.04852 0.04868 0.04884 0.049 0.04912 0.04924 0.04936 0.04948 0.0496 0.04972 0.04984 0.04996 0.05008 0.0502 0.050

    0.07616 0.07664 0.07712 0.0776 0.07808 0.07856 0.07904 0.07952 0.08 0.08032 0.08064 0.08096 0.08128 0.0816 0.08192 0.08224 0.08256 0.08288 0.0832 0.083

    0.0674 0.0676 0.0678 0.068 0.0682 0.0684 0.0686 0.0688 0.069 0.06916 0.06932 0.06948 0.06964 0.0698 0.06996 0.07012 0.07028 0.07044 0.0706 0.070

    0.08348 0.08392 0.08436 0.0848 0.08524 0.08568 0.08612 0.08656 0.087 0.08736 0.08772 0.08808 0.08844 0.0888 0.08916 0.08952 0.08988 0.09024 0.0906 0.090

    0.09648 0.09692 0.09736 0.0978 0.09824 0.09868 0.09912 0.09956 0.1 0.10028 0.10056 0.10084 0.10112 0.1014 0.10168 0.10196 0.10224 0.10252 0.1028 0.103

    1.67 1.68 1.69 1.7 1.71 1.72 1.73 1.74 1.75 1.76 1.77 1.78 1.79 1.8 1.81 1.82 1.83 1.84 1.85 1.8

    0.05776 0.05804 0.05832 0.0586 0.05888 0.05916 0.05944 0.05972 0.06 0.0602 0.0604 0.0606 0.0608 0.061 0.0612 0.0614 0.0616 0.0618 0.062 0.06

    0.06176 0.06204 0.06232 0.0626 0.06288 0.06316 0.06344 0.06372 0.064 0.06416 0.06432 0.06448 0.06464 0.0648 0.06496 0.06512 0.06528 0.06544 0.0656 0.065

    0.0738 0.0742 0.0746 0.075 0.0754 0.0758 0.0762 0.0766 0.077 0.07732 0.07764 0.07796 0.07828 0.0786 0.07892 0.07924 0.07956 0.07988 0.0802 0.080

    0.08112 0.08148 0.08184 0.0822 0.08256 0.08292 0.08328 0.08364 0.084 0.08428 0.08456 0.08484 0.08512 0.0854 0.08568 0.08596 0.08624 0.08652 0.0868 0.087

    0.0634 0.0636 0.0638 0.064 0.0642 0.0644 0.0646 0.0648 0.065 0.06516 0.06532 0.06548 0.06564 0.0658 0.06596 0.06612 0.06628 0.06644 0.0666 0.066

    0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

    0.08876 0.08904 0.08932 0.0896 0.08988 0.09016 0.09044 0.09072 0.091 0.09124 0.09148 0.09172 0.09196 0.0922 0.09244 0.09268 0.09292 0.09316 0.0934 0.093

    0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

    0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

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    1.93 1.94 1.95 1.96 1.97 1.98 1.99 2

    0.04788 0.04804 0.0482 0.04836 0.04852 0.04868 0.04884 0.049

    0.05088 0.05104 0.0512 0.05136 0.05152 0.05168 0.05184 0.052

    0.06332 0.06356 0.0638 0.06404 0.06428 0.06452 0.06476 0.065

    0.06732 0.06756 0.0678 0.06804 0.06828 0.06852 0.06876 0.069

    0.05116 0.05128 0.0514 0.05152 0.05164 0.05176 0.05188 0.052

    0.08576 0.08608 0.0864 0.08672 0.08704 0.08736 0.08768 0.088

    0.07188 0.07204 0.0722 0.07236 0.07252 0.07268 0.07284 0.073

    0.09348 0.09384 0.0942 0.09456 0.09492 0.09528 0.09564 0.096

    0.10504 0.10532 0.1056 0.10588 0.10616 0.10644 0.10672 0.107

    1.93 1.94 1.95 1.96 1.97 1.98 1.99 2

    0.0636 0.0638 0.064 0.0642 0.0644 0.0646 0.0648 0.065

    0.06688 0.06704 0.0672 0.06736 0.06752 0.06768 0.06784 0.068

    0.08276 0.08308 0.0834 0.08372 0.08404 0.08436 0.08468 0.085

    0.08904 0.08932 0.0896 0.08988 0.09016 0.09044 0.09072 0.091

    0.06788 0.06804 0.0682 0.06836 0.06852 0.06868 0.06884 0.069

    0 0 0 0 0 0 0 0

    0.09532 0.09556 0.0958 0.09604 0.09628 0.09652 0.09676 0.097

    0 0 0 0 0 0 0 0

    0 0 0 0 0 0 0 0

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    By : RSS Project :

    Date : 28-04-08 Client : CADBURY INDIA LTD Doc. No. :

    Chkd : Subject :

    Date : Job No : 5289A Office : VK Dept : CIVIL Sheet :

    Slab Mkd. S1 DESIGN OF TWO-WAY SLAB (Limit State Method)

    Input(With provision to resist torsion at corners) Fy Dia

    Output Clear Cover 25 mm N/ mm2 mm

    deff(Short Span) 269.0 mm Short Bars 500 12

    Design Data :- deff(Long Span) 257.0 mm Long Bars 500 12

    Fck 25 N/ mm2

    Slab Thickness 300 mm

    Long Span (ly) 9.000 m Dead Load 7.5 KN/ m2

    Short Span (lx) 8.770 m Live Load 5.00 KN/ m2

    Span / deff 26 Finish Load 1.50 KN/ m2

    Mod. Span /

    deff26

    Water Proofing

    LoadKN/ m

    2

    Condition As per I.S. Code 4 Two Adjacent Edges Discontinuous Total 14.000 KN/ m2

    ly / lx 1.030

    Partial FOS 1.5

    Total 21 KN/ m2

    Mid Span Support Service Stress 180.1 N/ mm2

    Design Effective Span ( lx) 9.04 m Effective Span (lx) 9.04 m Pt required ( %) 0.21

    Alpha x (+Ve) 0.0365 Alpha x (-Ve) 0.0488 Pt provided ( %) 0.34Ultimate BM 62.63 KN-m/ m Ultimate BM 83.73 KN-m/ m Modification Factor 1.96

    Drequired = 177 mm

    Rebars Reinforcement 0.19 % Reinforcement 0.25 % Dprovided = 269 mm

    Area of Steel Reqd 558.7 mm2/ m ASTReqd. 758.7 mm2/ m

    Spacing of bars 202.4 mm c/c Spacing of bars 149.1 mm c/c

    Critical spacing 202.4 mm c/c Critical spacing 149.1 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 904.8 Okay Ast Provided 904.8 Okay Minimum Reinforce 0.12 %

    Area of bars 360.0 mm2/ mSpacing of bars 314.2 mm c/c

    Maximum Spacing 300.0 mm c/c

    Mid Span Support

    Effective Span ( lx) 9.04 m Effective Span (lx) 9.04 m

    Design Alpha y (+ve) 0.035 Alpha y (-Ve) 0.047

    Ultimate BM 60.05 KN-m/ m Ultimate BM 80.641 KN-m/ m

    Rebars Reinforcement 0.19 % Reinforcement 0.26 %

    Area of bars 562.0 mm2/ m Area of bars 767.5 mm2/ m

    Spacing of bars 201.2 mm c/c Spacing of bars 147.4 mm c/cCritical spacing 201.2 mm c/c Critical spacing 147.4 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 904.8 Okay Ast Provided 904.8 Okay

    EQUIVALENT UDL ON BEAMS DUE TO SLAB

    EQV UDL FOR

    SHEAR (kN/m)

    DUE TO DL = 19.73

    DUE TO LL = 10.96

    (DL+LL) = 30.70

    DUE TO DL = 20.31

    DUE TO LL = 11.28

    (DL+LL) = 31.59

    SUUMARY OF DESIGN :-

    OVERALL DEPTH = 300 mm

    SHORT SPAN STEEL = 12 mm Dia. @

    LONG SPAN STEEL = 12 mm Dia. @

    Deflection AspectsStrength Aspects

    IS-456 Guidelines

    Depth of Slab Sufficient

    Short Bars

    As Per Clause No. 23.1 & 24.2 of

    IS 456 :2000

    As Per Clause No. 26.3.3 & 26.5.2.

    Working Loads

    Limit Loads

    125 mm C/C Alt Bar Bent Up

    125 mm C/C Alt Bar Bent Up

    EQV UDL FOR

    BENDING (kN/m)

    26.310

    14.617

    40.927

    42.101

    UNFACORED LOAD FOR

    MANUAL CALCULATION

    27.065

    15.036

    Long Bars

    SHORT

    SPAN

    LONG

    SPAN

    lx

    ly

    lx

    ly

    w*lx/2

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    By : RSS Project :

    Date : 28-04-08 Client : CADBURY INDIA LTD Doc. No. :

    Chkd : Subject :

    Date : Job No : 5289A Office : VK Dept : CIVIL Sheet :

    Slab Mkd. S1 DESIGN OF TWO-WAY SLAB (Limit State Method)

    Input(With provision to resist torsion at corners) Fy Dia

    Output Clear Cover 25 mm N/ mm2 mm

    deff(Short Span) 120.0 mm Short Bars 500 10

    Design Data :- deff(Long Span) 110.0 mm Long Bars 500 10

    Fck 25 N/ mm2

    Slab Thickness 150 mm

    Long Span (ly) 5.500 m Dead Load 3.75 KN/ m2

    Short Span (lx) 4.150 m Live Load 5.00 KN/ m2

    Span / deff 26 Finish Load 1.50 KN/ m2

    Mod. Span /

    deff26

    Water Proofing

    Load8.00 KN/ m2

    Condition As per I.S. Code 2 One Short Edge Discontinuous' Total 18.250 KN/ m2

    ly / lx 1.330

    Partial FOS 1.5

    Total 27.375 KN/ m2

    Mid Span Support Service Stress 187.6 N/ mm2

    Design Effective Span (lx) 4.27 m Effective Span (lx) 4.27 m Pt required ( %) 0.34

    Alpha x (+Ve) 0.0396 Alpha x (-Ve) 0.0522 Pt provided ( %) 0.52

    Ultimate BM 19.77 KN-m/ m Ultimate BM 26.05 KN-m/ m Modification Factor 1.53

    Drequired = 107 mm

    Rebars Reinforcement 0.27 % Reinforcement 0.37 % Dprovided = 120 mm

    Area of Steel Reqd 406.4 mm2/ m ASTReqd. 549.7 mm2/ m

    Spacing of bars 193.3 mm c/c Spacing of bars 142.9 mm c/c

    Critical spacing 193.3 mm c/c Critical spacing 142.9 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 628.3 Okay Ast Provided 628.3 Okay Minimum Reinforce 0.12 %

    Area of bars 180.0 mm2/ mSpacing of bars 436.3 mm c/c

    Maximum Spacing 300.0 mm c/c

    Mid Span Support

    Effective Span (lx) 4.27 m Effective Span (lx) 4.27 m

    Design Alpha y (+ve) 0.028 Alpha y (-Ve) 0.037

    Ultimate BM 13.98 KN-m/ m Ultimate BM 18.468 KN-m/ m

    Rebars Reinforcement 0.21 % Reinforcement 0.28 %

    Area of bars 309.6 mm2/ m Area of bars 417.9 mm2/ m

    Spacing of bars 253.6 mm c/c Spacing of bars 187.9 mm c/cCritical spacing 253.6 mm c/c Critical spacing 187.9 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 628.3 Okay Ast Provided 628.3 Okay

    EQUIVALENT UDL ON BEAMS DUE TO SLAB

    EQV UDL FOR

    SHEAR (kN/m)

    DUE TO DL = 13.75

    DUE TO LL = 5.19

    (DL+LL) = 18.93

    DUE TO DL = 17.16

    DUE TO LL = 6.47

    (DL+LL) = 23.63

    SUUMARY OF DESIGN :-

    OVERALL DEPTH = 150 mm

    SHORT SPAN STEEL = 10 mm Dia. @

    LONG SPAN STEEL = 10 mm Dia. @

    30.733

    UNFACORED LOAD FOR

    MANUAL CALCULATION

    22.313

    8.420

    Long Bars

    125 mm C/C Alt Bar Bent Up

    125 mm C/C Alt Bar Bent Up

    EQV UDL FOR

    BENDING (kN/m)

    18.329

    6.917

    25.246

    SHORT

    SPAN

    LONG

    SPAN

    Deflection AspectsStrength Aspects

    IS-456 Guidelines

    Depth of Slab Sufficient

    Short Bars

    As Per Clause No. 23.1 & 24.2 of

    IS 456 :2000

    As Per Clause No. 26.3.3 & 26.5.2.

    Working Loads

    Limit Loads

    lx

    ly

    lx

    ly

    w*lx/2

  • 8/21/2019 2 Way Slab Design for First Floor Option-1 Trial

    8/18

    By : RSS Project :

    Date : 28-04-08 Client : CADBURY INDIA LTD Doc. No. :

    Chkd : Subject :

    Date : Job No : 5289A Office : VK Dept : CIVIL Sheet :

    Slab Mkd. S1 DESIGN OF TWO-WAY SLAB (Limit State Method)

    Input(With provision to resist torsion at corners) Fy Dia

    Output Clear Cover 25 mm N/ mm2 mm

    deff(Short Span) 219.0 mm Short Bars 500 12

    Design Data :- deff(Long Span) 207.0 mm Long Bars 500 12

    Fck 25 N/ mm2

    Slab Thickness 250 mm

    Long Span (ly) 8.000 m Dead Load 6.25 KN/ m2

    Short Span (lx) 5.500 m Live Load 5.00 KN/ m2

    Span / deff 26 Finish Load 1.50 KN/ m2

    Mod. Span /

    deff26

    Water Proofing

    Load8.00 KN/ m2

    Condition As per I.S. Code 4 Two Adjacent Edges Discontinuous Total 20.750 KN/ m2

    ly / lx 1.460

    Partial FOS 1.5

    Total 31.125 KN/ m2

    Mid Span Support Service Stress 199.1 N/ mm2

    Design Effective Span (lx) 5.72 m Effective Span (lx) 5.72 m Pt required ( %) 0.28

    Alpha x (+Ve) 0.0548 Alpha x (-Ve) 0.0734 Pt provided ( %) 0.41

    Ultimate BM 55.79 KN-m/ m Ultimate BM 74.72 KN-m/ m Modification Factor 1.60

    Drequired = 138 mm

    Rebars Reinforcement 0.25 % Reinforcement 0.34 % Dprovided = 219 mm

    Area of Steel Reqd 621.1 mm2/ m ASTReqd. 850.9 mm2/ m

    Spacing of bars 182.1 mm c/c Spacing of bars 132.9 mm c/c

    Critical spacing 182.1 mm c/c Critical spacing 132.9 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 904.8 Okay Ast Provided 904.8 Okay Minimum Reinforce 0.12 %

    Area of bars 300.0 mm2/ mSpacing of bars 377.0 mm c/c

    Maximum Spacing 300.0 mm c/c

    Mid Span Support

    Effective Span (lx) 5.72 m Effective Span (lx) 5.72 m

    Design Alpha y (+ve) 0.035 Alpha y (-Ve) 0.047

    Ultimate BM 35.63 KN-m/ m Ultimate BM 47.846 KN-m/ m

    Rebars Reinforcement 0.16 % Reinforcement 0.22 %

    Area of bars 412.3 mm2/ m Area of bars 562.2 mm2/ m

    Spacing of bars 274.3 mm c/c Spacing of bars 201.2 mm c/cCritical spacing 274.3 mm c/c Critical spacing 201.2 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 904.8 Okay Ast Provided 904.8 Okay

    EQUIVALENT UDL ON BEAMS DUE TO SLAB

    EQV UDL FOR

    SHEAR (kN/m)

    DUE TO DL = 21.66

    DUE TO LL = 6.88

    (DL+LL) = 28.53

    DUE TO DL = 28.48

    DUE TO LL = 9.04

    (DL+LL) = 37.52

    SUUMARY OF DESIGN :-

    OVERALL DEPTH = 250 mm

    SHORT SPAN STEEL = 12 mm Dia. @

    LONG SPAN STEEL = 12 mm Dia. @

    Deflection AspectsStrength Aspects

    IS-456 Guidelines

    Depth of Slab Sufficient

    Short Bars

    As Per Clause No. 23.1 & 24.2 of

    IS 456 :2000

    As Per Clause No. 26.3.3 & 26.5.2.

    Working Loads

    Limit Loads

    125 mm C/C Alt Bar Bent Up

    125 mm C/C Alt Bar Bent Up

    EQV UDL FOR

    BENDING (kN/m)

    28.875

    9.167

    38.042

    48.139

    UNFACORED LOAD FOR

    MANUAL CALCULATION

    36.539

    11.600

    Long Bars

    SHORT

    SPAN

    LONG

    SPAN

    lx

    ly

    lx

    ly

    w*lx/2

  • 8/21/2019 2 Way Slab Design for First Floor Option-1 Trial

    9/18

    By : RSS Project :

    Date : 28-04-08 Client : CADBURY INDIA LTD Doc. No. :

    Chkd : Subject :

    Date : Job No : 5289A Office : VK Dept : CIVIL Sheet :

    Slab Mkd. S1 DESIGN OF TWO-WAY SLAB (Limit State Method)

    Input(With provision to resist torsion at corners) Fy Dia

    Output Clear Cover 25 mm N/ mm2 mm

    deff(Short Span) 219.0 mm Short Bars 500 12

    Design Data :- deff(Long Span) 207.0 mm Long Bars 500 12

    Fck 25 N/ mm2

    Slab Thickness 250 mm

    Long Span (ly) 8.000 m Dead Load 6.25 KN/ m2

    Short Span (lx) 5.500 m Live Load 5.00 KN/ m2

    Span / deff 26 Finish Load 1.50 KN/ m2

    Mod. Span /

    deff26

    Water Proofing

    Load8.00 KN/ m2

    Condition As per I.S. Code 2 One Short Edge Discontinuous' Total 20.750 KN/ m2

    ly / lx 1.460

    Partial FOS 1.5

    Total 31.125 KN/ m2

    Mid Span Support Service Stress 153.4 N/ mm2

    Design Effective Span (lx) 5.72 m Effective Span (lx) 5.72 m Pt required ( %) 0.22

    Alpha x (+Ve) 0.0428 Alpha x (-Ve) 0.0562 Pt provided ( %) 0.41

    Ultimate BM 43.57 KN-m/ m Ultimate BM 57.21 KN-m/ m Modification Factor 2.00

    Drequired = 110 mm

    Rebars Reinforcement 0.19 % Reinforcement 0.26 % Dprovided = 219 mm

    Area of Steel Reqd 478.5 mm2/ m ASTReqd. 638.0 mm2/ m

    Spacing of bars 236.4 mm c/c Spacing of bars 177.3 mm c/c

    Critical spacing 236.4 mm c/c Critical spacing 177.3 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 904.8 Okay Ast Provided 904.8 Okay Minimum Reinforce 0.12 %

    Area of bars 300.0 mm2/ mSpacing of bars 377.0 mm c/c

    Maximum Spacing 300.0 mm c/c

    Mid Span Support

    Effective Span (lx) 5.72 m Effective Span (lx) 5.72 m

    Design Alpha y (+ve) 0.028 Alpha y (-Ve) 0.037

    Ultimate BM 28.50 KN-m/ m Ultimate BM 37.666 KN-m/ m

    Rebars Reinforcement 0.13 % Reinforcement 0.17 %

    Area of bars 327.0 mm2/ m Area of bars 437.0 mm2/ m

    Spacing of bars 345.8 mm c/c Spacing of bars 258.8 mm c/cCritical spacing 300.0 mm c/c Critical spacing 258.8 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 904.8 Okay Ast Provided 904.8 Okay

    EQUIVALENT UDL ON BEAMS DUE TO SLAB

    EQV UDL FOR

    SHEAR (kN/m)

    DUE TO DL = 21.66

    DUE TO LL = 6.88

    (DL+LL) = 28.53

    DUE TO DL = 28.48

    DUE TO LL = 9.04

    (DL+LL) = 37.52

    SUUMARY OF DESIGN :-

    OVERALL DEPTH = 250 mm

    SHORT SPAN STEEL = 12 mm Dia. @

    LONG SPAN STEEL = 12 mm Dia. @

    48.139

    UNFACORED LOAD FOR

    MANUAL CALCULATION

    36.539

    11.600

    Long Bars

    125 mm C/C Alt Bar Bent Up

    125 mm C/C Alt Bar Bent Up

    EQV UDL FOR

    BENDING (kN/m)

    28.875

    9.167

    38.042

    SHORT

    SPAN

    LONG

    SPAN

    Deflection AspectsStrength Aspects

    IS-456 Guidelines

    Depth of Slab Sufficient

    Short Bars

    As Per Clause No. 23.1 & 24.2 of

    IS 456 :2000

    As Per Clause No. 26.3.3 & 26.5.2.

    Working Loads

    Limit Loads

    lx

    ly

    lx

    ly

    w*lx/2

  • 8/21/2019 2 Way Slab Design for First Floor Option-1 Trial

    10/18

    By : RSS Project :

    Date : 28-04-08 Client : CADBURY INDIA LTD Doc. No. :

    Chkd : Subject :

    Date : Job No : 5289A Office : VK Dept : CIVIL Sheet :

    Slab Mkd. S1 DESIGN OF TWO-WAY SLAB (Limit State Method)

    Input(With provision to resist torsion at corners) Fy Dia

    Output Clear Cover 25 mm N/ mm2 mm

    deff(Short Span) 219.0 mm Short Bars 500 12

    Design Data :- deff(Long Span) 207.0 mm Long Bars 500 12

    Fck 25 N/ mm2

    Slab Thickness 250 mm

    Long Span (ly) 8.000 m Dead Load 6.25 KN/ m2

    Short Span (lx) 6.190 m Live Load 5.00 KN/ m2

    Span / deff 26 Finish Load 1.50 KN/ m2

    Mod. Span /

    deff26

    Water Proofing

    Load8.00 KN/ m2

    Condition As per I.S. Code 2 One Short Edge Discontinuous' Total 20.750 KN/ m2

    ly / lx 1.300

    Partial FOS 1.5

    Total 31.125 KN/ m2

    Mid Span Support Service Stress 176.7 N/ mm2

    Design Effective Span (lx) 6.41 m Effective Span (lx) 6.41 m Pt required ( %) 0.25

    Alpha x (+Ve) 0.0390 Alpha x (-Ve) 0.0510 Pt provided ( %) 0.41

    Ultimate BM 49.86 KN-m/ m Ultimate BM 65.20 KN-m/ m Modification Factor 1.80

    Drequired = 137 mm

    Rebars Reinforcement 0.22 % Reinforcement 0.29 % Dprovided = 219 mm

    Area of Steel Reqd 551.4 mm2/ m ASTReqd. 734.0 mm2/ m

    Spacing of bars 205.1 mm c/c Spacing of bars 154.1 mm c/c

    Critical spacing 205.1 mm c/c Critical spacing 154.1 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 904.8 Okay Ast Provided 904.8 Okay Minimum Reinforce 0.12 %

    Area of bars 300.0 mm2/ mSpacing of bars 377.0 mm c/c

    Maximum Spacing 300.0 mm c/c

    Mid Span Support

    Effective Span (lx) 6.41 m Effective Span (lx) 6.41 m

    Design Alpha y (+ve) 0.028 Alpha y (-Ve) 0.037

    Ultimate BM 35.80 KN-m/ m Ultimate BM 47.303 KN-m/ m

    Rebars Reinforcement 0.17 % Reinforcement 0.22 %

    Area of bars 414.3 mm2/ m Area of bars 555.4 mm2/ m

    Spacing of bars 273.0 mm c/c Spacing of bars 203.6 mm c/cCritical spacing 273.0 mm c/c Critical spacing 203.6 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 904.8 Okay Ast Provided 904.8 Okay

    EQUIVALENT UDL ON BEAMS DUE TO SLAB

    EQV UDL FOR

    SHEAR (kN/m)

    DUE TO DL = 24.37

    DUE TO LL = 7.74

    (DL+LL) = 32.11

    DUE TO DL = 30.00

    DUE TO LL = 9.52

    (DL+LL) = 39.52

    SUUMARY OF DESIGN :-

    OVERALL DEPTH = 250 mm

    SHORT SPAN STEEL = 12 mm Dia. @

    LONG SPAN STEEL = 12 mm Dia. @

    Deflection AspectsStrength Aspects

    IS-456 Guidelines

    Depth of Slab Sufficient

    Short Bars

    As Per Clause No. 23.1 & 24.2 of

    IS 456 :2000

    As Per Clause No. 26.3.3 & 26.5.2.

    Working Loads

    Limit Loads

    125 mm C/C Alt Bar Bent Up

    125 mm C/C Alt Bar Bent Up

    EQV UDL FOR

    BENDING (kN/m)

    32.498

    10.317

    42.814

    51.554

    UNFACORED LOAD FOR

    MANUAL CALCULATION

    39.132

    12.423

    Long Bars

    SHORT

    SPAN

    LONG

    SPAN

    lx

    ly

    lx

    ly

    w*lx/2

  • 8/21/2019 2 Way Slab Design for First Floor Option-1 Trial

    11/18

    By : RSS Project :

    Date : 28-04-08 Client : CADBURY INDIA LTD Doc. No. :

    Chkd : Subject :

    Date : Job No : 5289A Office : VK Dept : CIVIL Sheet :

    Slab Mkd. S1 DESIGN OF TWO-WAY SLAB (Limit State Method)

    Input(With provision to resist torsion at corners) Fy Dia

    Output Clear Cover 25 mm N/ mm2 mm

    deff(Short Span) 169.0 mm Short Bars 500 12

    Design Data :- deff(Long Span) 157.0 mm Long Bars 500 12

    Fck 25 N/ mm2

    Slab Thickness 200 mm

    Long Span (ly) 8.000 m Dead Load 5 KN/ m2

    Short Span (lx) 4.800 m Live Load 5.00 KN/ m2

    Span / deff 26 Finish Load 1.50 KN/ m2

    Mod. Span /

    deff26

    Water Proofing

    Load8.00 KN/ m2

    Condition As per I.S. Code 2 One Short Edge Discontinuous' Total 19.500 KN/ m2

    ly / lx 1.670

    Partial FOS 1.5

    Total 29.25 KN/ m2

    Mid Span Support Service Stress 156.2 N/ mm2

    Design Effective Span (lx) 4.97 m Effective Span (lx) 4.97 m Pt required ( %) 0.29

    Alpha x (+Ve) 0.0467 Alpha x (-Ve) 0.0618 Pt provided ( %) 0.54

    Ultimate BM 33.74 KN-m/ m Ultimate BM 44.60 KN-m/ m Modification Factor 1.79

    Drequired = 107 mm

    Rebars Reinforcement 0.24 % Reinforcement 0.33 % Dprovided = 169 mm

    Area of Steel Reqd 487.3 mm2/ m ASTReqd. 658.3 mm2/ m

    Spacing of bars 232.1 mm c/c Spacing of bars 171.8 mm c/c

    Critical spacing 232.1 mm c/c Critical spacing 171.8 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 904.8 Okay Ast Provided 904.8 Okay Minimum Reinforce 0.12 %

    Area of bars 240.0 mm2/ mSpacing of bars 471.2 mm c/c

    Maximum Spacing 300.0 mm c/c

    Mid Span Support

    Effective Span (lx) 4.97 m Effective Span (lx) 4.97 m

    Design Alpha y (+ve) 0.028 Alpha y (-Ve) 0.037

    Ultimate BM 20.22 KN-m/ m Ultimate BM 26.722 KN-m/ m

    Rebars Reinforcement 0.15 % Reinforcement 0.21 %

    Area of bars 308.4 mm2/ m Area of bars 413.2 mm2/ m

    Spacing of bars 366.8 mm c/c Spacing of bars 273.7 mm c/cCritical spacing 300.0 mm c/c Critical spacing 273.7 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 904.8 Okay Ast Provided 904.8 Okay

    EQUIVALENT UDL ON BEAMS DUE TO SLAB

    EQV UDL FOR

    SHEAR (kN/m)

    DUE TO DL = 17.40

    DUE TO LL = 6.00

    (DL+LL) = 23.40

    DUE TO DL = 24.38

    DUE TO LL = 8.41

    (DL+LL) = 32.79

    SUUMARY OF DESIGN :-

    OVERALL DEPTH = 200 mm

    SHORT SPAN STEEL = 12 mm Dia. @

    LONG SPAN STEEL = 12 mm Dia. @

    41.206

    UNFACORED LOAD FOR

    MANUAL CALCULATION

    30.641

    10.566

    Long Bars

    125 mm C/C Alt Bar Bent Up

    125 mm C/C Alt Bar Bent Up

    EQV UDL FOR

    BENDING (kN/m)

    23.200

    8.000

    31.200

    SHORT

    SPAN

    LONG

    SPAN

    Deflection AspectsStrength Aspects

    IS-456 Guidelines

    Depth of Slab Sufficient

    Short Bars

    As Per Clause No. 23.1 & 24.2 of

    IS 456 :2000

    As Per Clause No. 26.3.3 & 26.5.2.

    Working Loads

    Limit Loads

    lx

    ly

    lx

    ly

    w*lx/2

  • 8/21/2019 2 Way Slab Design for First Floor Option-1 Trial

    12/18

    By : RSS Project :

    Date : 28-04-08 Client : CADBURY INDIA LTD Doc. No. :

    Chkd : Subject :

    Date : Job No : 5289A Office : VK Dept : CIVIL Sheet :

    Slab Mkd. S1 DESIGN OF TWO-WAY SLAB (Limit State Method)

    Input(With provision to resist torsion at corners) Fy Dia

    Output Clear Cover 25 mm N/ mm2 mm

    deff(Short Span) 169.0 mm Short Bars 500 12

    Design Data :- deff(Long Span) 157.0 mm Long Bars 500 12

    Fck 25 N/ mm2

    Slab Thickness 200 mm

    Long Span (ly) 8.000 m Dead Load 5 KN/ m2

    Short Span (lx) 4.400 m Live Load 5.00 KN/ m2

    Span / deff 26 Finish Load 1.50 KN/ m2

    Mod. Span /

    deff26

    Water Proofing

    Load8.00 KN/ m2

    Condition As per I.S. Code 2 One Short Edge Discontinuous' Total 19.500 KN/ m2

    ly / lx 1.820

    Partial FOS 1.5

    Total 29.25 KN/ m2

    Mid Span Support Service Stress 137.9 N/ mm2

    Design Effective Span (lx) 4.57 m Effective Span (lx) 4.57 m Pt required ( %) 0.25

    Alpha x (+Ve) 0.0491 Alpha x (-Ve) 0.0651 Pt provided ( %) 0.54

    Ultimate BM 29.99 KN-m/ m Ultimate BM 39.76 KN-m/ m Modification Factor 2.00

    Drequired = 88 mm

    Rebars Reinforcement 0.22 % Reinforcement 0.29 % Dprovided = 169 mm

    Area of Steel Reqd 430.1 mm2/ m ASTReqd. 581.1 mm2/ m

    Spacing of bars 263.0 mm c/c Spacing of bars 194.6 mm c/c

    Critical spacing 263.0 mm c/c Critical spacing 194.6 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 904.8 Okay Ast Provided 904.8 Okay Minimum Reinforce 0.12 %

    Area of bars 240.0 mm2/ mSpacing of bars 471.2 mm c/c

    Maximum Spacing 300.0 mm c/c

    Mid Span Support

    Effective Span (lx) 4.57 m Effective Span (lx) 4.57 m

    Design Alpha y (+ve) 0.028 Alpha y (-Ve) 0.037

    Ultimate BM 17.10 KN-m/ m Ultimate BM 22.593 KN-m/ m

    Rebars Reinforcement 0.13 % Reinforcement 0.17 %

    Area of bars 259.0 mm2/ m Area of bars 346.2 mm2/ m

    Spacing of bars 436.6 mm c/c Spacing of bars 326.6 mm c/cCritical spacing 300.0 mm c/c Critical spacing 300.0 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 904.8 Okay Ast Provided 904.8 Okay

    EQUIVALENT UDL ON BEAMS DUE TO SLAB

    EQV UDL FOR

    SHEAR (kN/m)

    DUE TO DL = 15.95

    DUE TO LL = 5.50

    (DL+LL) = 21.45

    DUE TO DL = 23.14

    DUE TO LL = 7.98

    (DL+LL) = 31.11

    SUUMARY OF DESIGN :-

    OVERALL DEPTH = 200 mm

    SHORT SPAN STEEL = 12 mm Dia. @

    LONG SPAN STEEL = 12 mm Dia. @

    Deflection AspectsStrength Aspects

    IS-456 Guidelines

    Depth of Slab Sufficient

    Short Bars

    As Per Clause No. 23.1 & 24.2 of

    IS 456 :2000

    As Per Clause No. 26.3.3 & 26.5.2.

    Working Loads

    Limit Loads

    125 mm C/C Alt Bar Bent Up

    125 mm C/C Alt Bar Bent Up

    EQV UDL FOR

    BENDING (kN/m)

    21.267

    7.333

    28.600

    38.583

    UNFACORED LOAD FOR

    MANUAL CALCULATION

    28.690

    9.893

    Long Bars

    SHORT

    SPAN

    LONG

    SPAN

    lx

    ly

    lx

    ly

    w*lx/2

  • 8/21/2019 2 Way Slab Design for First Floor Option-1 Trial

    13/18

    By : RSS Project :

    Date : 28-04-08 Client : CADBURY INDIA LTD Doc. No. :

    Chkd : Subject :

    Date : Job No : 5289A Office : VK Dept : CIVIL Sheet :

    Slab Mkd. S1 DESIGN OF TWO-WAY SLAB (Limit State Method)

    Input(With provision to resist torsion at corners) Fy Dia

    Output Clear Cover 25 mm N/ mm2 mm

    deff(Short Span) 267.0 mm Short Bars 500 16

    Design Data :- deff(Long Span) 251.0 mm Long Bars 500 16

    Fck 25 N/ mm2

    Slab Thickness 300 mm

    Long Span (ly) 10.200 m Dead Load 7.5 KN/ m2

    Short Span (lx) 9.000 m Live Load 5.00 KN/ m2

    Span / deff 26 Finish Load 1.50 KN/ m2

    Mod. Span /

    deff26

    Water Proofing

    Load8.00 KN/ m2

    Condition As per I.S. Code 3 One Long Edge Discontinuous' Total 22.000 KN/ m2

    ly / lx 1.140

    Partial FOS 1.5

    Total 33 KN/ m2

    Mid Span Support Service Stress 167.5 N/ mm2

    Design Effect ive Span (lx) 9.27 m Effective Span (lx) 9.27 m Pt required ( %) 0.35

    Alpha x (+Ve) 0.0354 Alpha x (-Ve) 0.0472 Pt provided ( %) 0.60Ultimate BM 100.32 KN-m/ m Ultimate BM 133.76 KN-m/ m Modification Factor 1.60

    Drequired = 223 mm

    Rebars Reinforcement 0.31 % Reinforcement 0.42 % Dprovided = 267 mm

    Area of Steel Reqd 928.8 mm2/ m ASTReqd. 1273.8 mm2/ m

    Spacing of bars 216.5 mm c/c Spacing of bars 157.8 mm c/c

    Critical spacing 216.5 mm c/c Critical spacing 157.8 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 1608.5 Okay Ast Provided 1608.5 Okay Minimum Reinforce 0.12 %

    Area of bars 360.0 mm2/ mSpacing of bars 558.5 mm c/c

    Maximum Spacing 300.0 mm c/c

    Mid Span Support

    Effect ive Span (lx) 9.27 m Effective Span (lx) 9.27 m

    Design Alpha y (+ve) 0.028 Alpha y (-Ve) 0.037

    Ultimate BM 79.35 KN-m/ m Ultimate BM 104.856 KN-m/ m

    Rebars Reinforcement 0.26 % Reinforcement 0.35 %

    Area of bars 775.0 mm2/ m Area of bars 1048.4 mm2/ m

    Spacing of bars 259.4 mm c/c Spacing of bars 191.8 mm c/cCritical spacing 259.4 mm c/c Critical spacing 191.8 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 1608.5 Okay Ast Provided 1608.5 Okay

    EQUIVALENT UDL ON BEAMS DUE TO SLAB

    EQV UDL FOR

    SHEAR (kN/m)

    DUE TO DL = 38.25

    DUE TO LL = 11.25

    (DL+LL) = 49.50

    DUE TO DL = 42.95

    DUE TO LL = 12.63

    (DL+LL) = 55.58

    SUUMARY OF DESIGN :-

    OVERALL DEPTH = 300 mm

    SHORT SPAN STEEL = 16 mm Dia. @

    LONG SPAN STEEL = 16 mm Dia. @

    73.608

    UNFACORED LOAD FOR

    MANUAL CALCULATION

    56.879

    16.729

    Long Bars

    125 mm C/C Alt Bar Bent Up

    125 mm C/C Alt Bar Bent Up

    EQV UDL FOR

    BENDING (kN/m)

    51.000

    15.000

    66.000

    SHORT

    SPAN

    LONG

    SPAN

    Deflection AspectsStrength Aspects

    IS-456 Guidelines

    Depth of Slab Sufficient

    Short Bars

    As Per Clause No. 23.1 & 24.2 of

    IS 456 :2000

    As Per Clause No. 26.3.3 & 26.5.2.

    Working Loads

    Limit Loads

    lx

    ly

    lx

    ly

    w*lx/2

  • 8/21/2019 2 Way Slab Design for First Floor Option-1 Trial

    14/18

    By : RSS Project :

    Date : 28-04-08 Client : CADBURY INDIA LTD Doc. No. :

    Chkd : Subject :

    Date : Job No : 5289A Office : VK Dept : CIVIL Sheet :

    Slab Mkd. S1 DESIGN OF TWO-WAY SLAB (Limit State Method)

    Input(With provision to resist torsion at corners) Fy Dia

    Output Clear Cover 25 mm N/ mm2 mm

    deff(Short Span) 219.0 mm Short Bars 500 12

    Design Data :- deff(Long Span) 207.0 mm Long Bars 500 12

    Fck 25 N/ mm2

    Slab Thickness 250 mm

    Long Span (ly) 10.200 m Dead Load 6.25 KN/ m2

    Short Span (lx) 5.675 m Live Load 5.00 KN/ m2

    Span / deff 26 Finish Load 1.50 KN/ m2

    Mod. Span /

    deff26

    Water Proofing

    Load8.00 KN/ m2

    Condition As per I.S. Code 2 One Short Edge Discontinuous' Total 20.750 KN/ m2

    ly / lx 1.800

    Partial FOS 1.5

    Total 31.125 KN/ m2

    Mid Span Support Service Stress 150.1 N/ mm2

    Design Effective Span (lx) 5.89 m Effective Span (lx) 5.89 m Pt required ( %) 0.27

    Alpha x (+Ve) 0.0488 Alpha x (-Ve) 0.0648 Pt provided ( %) 0.52

    Ultimate BM 52.77 KN-m/ m Ultimate BM 70.07 KN-m/ m Modification Factor 1.89

    Drequired = 120 mm

    Rebars Reinforcement 0.23 % Reinforcement 0.32 % Dprovided = 219 mm

    Area of Steel Reqd 585.5 mm2/ m ASTReqd. 793.3 mm2/ m

    Spacing of bars 193.2 mm c/c Spacing of bars 142.6 mm c/c

    Critical spacing 193.2 mm c/c Critical spacing 142.6 mm c/c

    Spacing Provided = 100.0 mm c/c Spacing Provided 100.0 mm c/c

    Ast Provided = 1131.0 Okay Ast Provided 1131.0 Okay Minimum Reinforce 0.12 %

    Area of bars 300.0 mm2/ mSpacing of bars 377.0 mm c/c

    Maximum Spacing 300.0 mm c/c

    Mid Span Support

    Effective Span (lx) 5.89 m Effective Span (lx) 5.89 m

    Design Alpha y (+ve) 0.028 Alpha y (-Ve) 0.037

    Ultimate BM 30.28 KN-m/ m Ultimate BM 40.007 KN-m/ m

    Rebars Reinforcement 0.14 % Reinforcement 0.19 %

    Area of bars 348.1 mm2/ m Area of bars 465.4 mm2/ m

    Spacing of bars 324.9 mm c/c Spacing of bars 243.0 mm c/cCritical spacing 300.0 mm c/c Critical spacing 243.0 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 904.8 Okay Ast Provided 904.8 Okay

    EQUIVALENT UDL ON BEAMS DUE TO SLAB

    EQV UDL FOR

    SHEAR (kN/m)

    DUE TO DL = 22.35

    DUE TO LL = 7.09

    (DL+LL) = 29.44

    DUE TO DL = 32.28

    DUE TO LL = 10.25

    (DL+LL) = 42.52

    SUUMARY OF DESIGN :-

    OVERALL DEPTH = 250 mm

    SHORT SPAN STEEL = 12 mm Dia. @

    LONG SPAN STEEL = 12 mm Dia. @

    Deflection AspectsStrength Aspects

    IS-456 Guidelines

    Depth of Slab Sufficient

    Short Bars

    As Per Clause No. 23.1 & 24.2 of

    IS 456 :2000

    As Per Clause No. 26.3.3 & 26.5.2.

    Working Loads

    Limit Loads

    100 mm C/C Alt Bar Bent Up

    125 mm C/C Alt Bar Bent Up

    EQV UDL FOR

    BENDING (kN/m)

    29.794

    9.458

    39.252

    52.821

    UNFACORED LOAD FOR

    MANUAL CALCULATION

    40.093

    12.728

    Long Bars

    SHORT

    SPAN

    LONG

    SPAN

    lx

    ly

    lx

    ly

    w*lx/2

  • 8/21/2019 2 Way Slab Design for First Floor Option-1 Trial

    15/18

    By : RSS Project :

    Date : 28-04-08 Client : CADBURY INDIA LTD Doc. No. :

    Chkd : Subject :

    Date : Job No : 5289A Office : VK Dept : CIVIL Sheet :

    Slab Mkd. S1 DESIGN OF TWO-WAY SLAB (Limit State Method)

    Input(With provision to resist torsion at corners) Fy Dia

    Output Clear Cover 25 mm N/ mm2 mm

    deff(Short Span) 267.0 mm Short Bars 500 16

    Design Data :- deff(Long Span) 251.0 mm Long Bars 500 16

    Fck 25 N/ mm2

    Slab Thickness 300 mm

    Long Span (ly) 10.200 m Dead Load 7.5 KN/ m2

    Short Span (lx) 9.500 m Live Load 5.00 KN/ m2

    Span / deff 26 Finish Load 1.50 KN/ m2

    Mod. Span /

    deff26

    Water Proofing

    Load8.00 KN/ m2

    Condition As per I.S. Code 2 One Short Edge Discontinuous' Total 22.000 KN/ m2

    ly / lx 1.080

    Partial FOS 1.5

    Total 33 KN/ m2

    Mid Span Support Service Stress 163.7 N/ mm2

    Design Effective Span (lx) 9.77 m Effective Span (lx) 9.77 m Pt required ( %) 0.34

    Alpha x (+Ve) 0.0312 Alpha x (-Ve) 0.0418 Pt provided ( %) 0.60

    Ultimate BM 98.22 KN-m/ m Ultimate BM 131.59 KN-m/ m Modification Factor 1.63

    Drequired = 231 mm

    Rebars Reinforcement 0.30 % Reinforcement 0.42 % Dprovided = 267 mm

    Area of Steel Reqd 907.8 mm2/ m ASTReqd. 1250.7 mm2/ m

    Spacing of bars 221.5 mm c/c Spacing of bars 160.8 mm c/c

    Critical spacing 221.5 mm c/c Critical spacing 160.8 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 1608.5 Okay Ast Provided 1608.5 Okay Minimum Reinforce 0.12 %

    Area of bars 360.0 mm2/ mSpacing of bars 558.5 mm c/c

    Maximum Spacing 300.0 mm c/c

    Mid Span Support

    Effective Span (lx) 9.77 m Effective Span (lx) 9.77 m

    Design Alpha y (+ve) 0.028 Alpha y (-Ve) 0.037

    Ultimate BM 88.14 KN-m/ m Ultimate BM 116.476 KN-m/ m

    Rebars Reinforcement 0.29 % Reinforcement 0.39 %

    Area of bars 867.7 mm2/ m Area of bars 1177.9 mm2/ m

    Spacing of bars 231.7 mm c/c Spacing of bars 170.7 mm c/cCritical spacing 231.7 mm c/c Critical spacing 170.7 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 1608.5 Okay Ast Provided 1608.5 Okay

    EQUIVALENT UDL ON BEAMS DUE TO SLAB

    EQV UDL FOR

    SHEAR (kN/m)

    DUE TO DL = 40.38

    DUE TO LL = 11.88

    (DL+LL) = 52.25

    DUE TO DL = 43.37

    DUE TO LL = 12.75

    (DL+LL) = 56.12

    SUUMARY OF DESIGN :-

    OVERALL DEPTH = 300 mm

    SHORT SPAN STEEL = 16 mm Dia. @

    LONG SPAN STEEL = 16 mm Dia. @

    74.636

    UNFACORED LOAD FOR

    MANUAL CALCULATION

    57.673

    16.963

    Long Bars

    125 mm C/C Alt Bar Bent Up

    125 mm C/C Alt Bar Bent Up

    EQV UDL FOR

    BENDING (kN/m)

    53.833

    15.833

    69.667

    SHORT

    SPAN

    LONG

    SPAN

    Deflection AspectsStrength Aspects

    IS-456 Guidelines

    Depth of Slab Sufficient

    Short Bars

    As Per Clause No. 23.1 & 24.2 of

    IS 456 :2000

    As Per Clause No. 26.3.3 & 26.5.2.

    Working Loads

    Limit Loads

    lx

    ly

    lx

    ly

    w*lx/2

  • 8/21/2019 2 Way Slab Design for First Floor Option-1 Trial

    16/18

    By : RSS Project :

    Date : 28-04-08 Client : CADBURY INDIA LTD Doc. No. :

    Chkd : Subject :

    Date : Job No : 5289A Office : VK Dept : CIVIL Sheet :

    Slab Mkd. S1 DESIGN OF TWO-WAY SLAB (Limit State Method)

    Input(With provision to resist torsion at corners) Fy Dia

    Output Clear Cover 25 mm N/ mm2 mm

    deff(Short Span) 169.0 mm Short Bars 500 12

    Design Data :- deff(Long Span) 157.0 mm Long Bars 500 12

    Fck 25 N/ mm2

    Slab Thickness 200 mm

    Long Span (ly) 6.850 m Dead Load 5 KN/ m2

    Short Span (lx) 6.190 m Live Load 5.00 KN/ m2

    Span / deff 26 Finish Load 1.50 KN/ m2

    Mod. Span /

    deff26

    Water Proofing

    Load8.00 KN/ m2

    Condition As per I.S. Code 1 Interior Pannel Total 19.500 KN/ m2

    ly / lx 1.110

    Partial FOS 1.5

    Total 29.25 KN/ m2

    Mid Span Support Service Stress 155.4 N/ mm2

    Design Effective Span (lx) 6.36 m Effective Span (lx) 6.36 m Pt required ( %) 0.29

    Alpha x (+Ve) 0.0284 Alpha x (-Ve) 0.0376 Pt provided ( %) 0.54

    Ultimate BM 33.59 KN-m/ m Ultimate BM 44.47 KN-m/ m Modification Factor 1.80

    Drequired = 136 mm

    Rebars Reinforcement 0.24 % Reinforcement 0.33 % Dprovided = 169 mm

    Area of Steel Reqd 485.0 mm2/ m ASTReqd. 656.2 mm2/ m

    Spacing of bars 233.2 mm c/c Spacing of bars 172.4 mm c/c

    Critical spacing 233.2 mm c/c Critical spacing 172.4 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 904.8 Okay Ast Provided 904.8 Okay Minimum Reinforce 0.12 %

    Area of bars 240.0 mm2/ mSpacing of bars 471.2 mm c/c

    Maximum Spacing 300.0 mm c/c

    Mid Span Support

    Effective Span (lx) 6.36 m Effective Span (lx) 6.36 m

    Design Alpha y (+ve) 0.024 Alpha y (-Ve) 0.032

    Ultimate BM 28.39 KN-m/ m Ultimate BM 37.849 KN-m/ m

    Rebars Reinforcement 0.22 % Reinforcement 0.30 %

    Area of bars 440.6 mm2/ m Area of bars 600.4 mm2/ m

    Spacing of bars 256.7 mm c/c Spacing of bars 188.4 mm c/cCritical spacing 256.7 mm c/c Critical spacing 188.4 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 904.8 Okay Ast Provided 904.8 Okay

    EQUIVALENT UDL ON BEAMS DUE TO SLAB

    EQV UDL FOR

    SHEAR (kN/m)

    DUE TO DL = 22.44

    DUE TO LL = 7.74

    (DL+LL) = 30.18

    DUE TO DL = 24.66

    DUE TO LL = 8.50

    (DL+LL) = 33.17

    SUUMARY OF DESIGN :-

    OVERALL DEPTH = 200 mm

    SHORT SPAN STEEL = 12 mm Dia. @

    LONG SPAN STEEL = 12 mm Dia. @

    Deflection AspectsStrength Aspects

    IS-456 Guidelines

    Depth of Slab Sufficient

    Short Bars

    As Per Clause No. 23.1 & 24.2 of

    IS 456 :2000

    As Per Clause No. 26.3.3 & 26.5.2.

    Working Loads

    Limit Loads

    125 mm C/C Alt Bar Bent Up

    125 mm C/C Alt Bar Bent Up

    EQV UDL FOR

    BENDING (kN/m)

    29.918

    10.317

    40.235

    44.025

    UNFACORED LOAD FOR

    MANUAL CALCULATION

    32.736

    11.288

    Long Bars

    SHORT

    SPAN

    LONG

    SPAN

    lx

    ly

    lx

    ly

    w*lx/2

  • 8/21/2019 2 Way Slab Design for First Floor Option-1 Trial

    17/18

    By : RSS Project :

    Date : 28-04-08 Client : CADBURY INDIA LTD Doc. No. :

    Chkd : Subject :

    Date : Job No : 5289A Office : VK Dept : CIVIL Sheet :

    Slab Mkd. S1 DESIGN OF TWO-WAY SLAB (Limit State Method)

    Input(With provision to resist torsion at corners) Fy Dia

    Output Clear Cover 25 mm N/ mm2 mm

    deff(Short Span) 269.0 mm Short Bars 500 12

    Design Data :- deff(Long Span) 257.0 mm Long Bars 500 12

    Fck 25 N/ mm2

    Slab Thickness 300 mm

    Long Span (ly) 9.000 m Dead Load 7.5 KN/ m2

    Short Span (lx) 8.770 m Live Load 5.00 KN/ m2

    Span / deff 26 Finish Load 1.50 KN/ m2

    Mod. Span /

    deff26

    Water Proofing

    Load3.00 KN/ m2

    Condition As per I.S. Code 4 Two Adjacent Edges Discontinuous Total 17.000 KN/ m2

    ly / lx 1.030

    Partial FOS 1.5

    Total 25.5 KN/ m2

    Mid Span Support Service Stress 176.8 N/ mm2

    Design Effective Span (lx) 9.04 m Effective Span (lx) 9.04 m Pt required ( %) 0.26

    Alpha x (+Ve) 0.0365 Alpha x (-Ve) 0.0488 Pt provided ( %) 0.42

    Ultimate BM 76.05 KN-m/ m Ultimate BM 101.67 KN-m/ m Modification Factor 1.79

    Drequired = 194 mm

    Rebars Reinforcement 0.23 % Reinforcement 0.31 % Dprovided = 269 mm

    Area of Steel Reqd 685.1 mm2/ m ASTReqd. 934.2 mm2/ m

    Spacing of bars 165.1 mm c/c Spacing of bars 121.1 mm c/c

    Critical spacing 165.1 mm c/c Critical spacing 121.1 mm c/c

    Spacing Provided = 100.0 mm c/c Spacing Provided 100.0 mm c/c

    Ast Provided = 1131.0 Okay Ast Provided 1131.0 Okay Minimum Reinforce 0.12 %

    Area of bars 360.0 mm2/ mSpacing of bars 314.2 mm c/c

    Maximum Spacing 300.0 mm c/c

    Mid Span Support

    Effective Span (lx) 9.04 m Effective Span (lx) 9.04 m

    Design Alpha y (+ve) 0.035 Alpha y (-Ve) 0.047

    Ultimate BM 72.92 KN-m/ m Ultimate BM 97.922 KN-m/ m

    Rebars Reinforcement 0.23 % Reinforcement 0.32 %

    Area of bars 689.6 mm2/ m Area of bars 946.0 mm2/ m

    Spacing of bars 164.0 mm c/c Spacing of bars 119.6 mm c/cCritical spacing 164.0 mm c/c Critical spacing 119.6 mm c/c

    Spacing Provided = 100.0 mm c/c Spacing Provided 100.0 mm c/c

    Ast Provided = 1131.0 Okay Ast Provided 1131.0 Okay

    EQUIVALENT UDL ON BEAMS DUE TO SLAB

    EQV UDL FOR

    SHEAR (kN/m)

    DUE TO DL = 26.31

    DUE TO LL = 10.96

    (DL+LL) = 37.27

    DUE TO DL = 27.08

    DUE TO LL = 11.28

    (DL+LL) = 38.36

    SUUMARY OF DESIGN :-

    OVERALL DEPTH = 300 mm

    SHORT SPAN STEEL = 12 mm Dia. @

    LONG SPAN STEEL = 12 mm Dia. @

    51.123

    UNFACORED LOAD FOR

    MANUAL CALCULATION

    36.087

    15.036

    Long Bars

    100 mm C/C Alt Bar Bent Up

    100 mm C/C Alt Bar Bent Up

    EQV UDL FOR

    BENDING (kN/m)

    35.080

    14.617

    49.697

    SHORT

    SPAN

    LONG

    SPAN

    Deflection AspectsStrength Aspects

    IS-456 Guidelines

    Depth of Slab Sufficient

    Short Bars

    As Per Clause No. 23.1 & 24.2 of

    IS 456 :2000

    As Per Clause No. 26.3.3 & 26.5.2.

    Working Loads

    Limit Loads

    lx

    ly

    lx

    ly

    w*lx/2

  • 8/21/2019 2 Way Slab Design for First Floor Option-1 Trial

    18/18

    By : RSS Project :

    Date : 28-04-08 Client : CADBURY INDIA LTD Doc. No. :

    Chkd : Subject :

    Date : Job No : 5289A Office : VK Dept : CIVIL Sheet :

    Slab Mkd. S1 DESIGN OF TWO-WAY SLAB (Limit State Method)

    Input(With provision to resist torsion at corners) Fy Dia

    Output Clear Cover 25 mm N/ mm2 mm

    deff(Short Span) 169.0 mm Short Bars 500 12

    Design Data :- deff(Long Span) 157.0 mm Long Bars 500 12

    Fck 25 N/ mm2

    Slab Thickness 200 mm

    Long Span (ly) 10.200 m Dead Load 5 KN/ m2

    Short Span (lx) 5.675 m Live Load 5.00 KN/ m2

    Span / deff 26 Finish Load 1.50 KN/ m2

    Mod. Span /

    deff26

    Water Proofing

    Load3.00 KN/ m2

    Condition As per I.S. Code 2 One Short Edge Discontinuous' Total 14.500 KN/ m2

    ly / lx 1.800

    Partial FOS 1.5

    Total 21.75 KN/ m2

    Mid Span Support Service Stress 134.9 N/ mm2

    Design Effective Span (lx) 5.84 m Effective Span (lx) 5.84 m Pt required ( %) 0.31

    Alpha x (+Ve) 0.0488 Alpha x (-Ve) 0.0648 Pt provided ( %) 0.67

    Ultimate BM 36.25 KN-m/ m Ultimate BM 48.13 KN-m/ m Modification Factor 1.82

    Drequired = 124 mm

    Rebars Reinforcement 0.26 % Reinforcement 0.36 % Dprovided = 169 mm

    Area of Steel Reqd 526.1 mm2/ m ASTReqd. 715.7 mm2/ m

    Spacing of bars 215.0 mm c/c Spacing of bars 158.0 mm c/c

    Critical spacing 215.0 mm c/c Critical spacing 158.0 mm c/c

    Spacing Provided = 100.0 mm c/c Spacing Provided 100.0 mm c/c

    Ast Provided = 1131.0 Okay Ast Provided 1131.0 Okay Minimum Reinforce 0.12 %

    Area of bars 240.0 mm2/ mSpacing of bars 471.2 mm c/c

    Maximum Spacing 300.0 mm c/c

    Mid Span Support

    Effective Span (lx) 5.84 m Effective Span (lx) 5.84 m

    Design Alpha y (+ve) 0.028 Alpha y (-Ve) 0.037

    Ultimate BM 20.80 KN-m/ m Ultimate BM 27.484 KN-m/ m

    Rebars Reinforcement 0.16 % Reinforcement 0.21 %

    Area of bars 317.5 mm2/ m Area of bars 425.7 mm2/ m

    Spacing of bars 356.2 mm c/c Spacing of bars 265.7 mm c/cCritical spacing 300.0 mm c/c Critical spacing 265.7 mm c/c

    Spacing Provided = 125.0 mm c/c Spacing Provided 125.0 mm c/c

    Ast Provided = 904.8 Okay Ast Provided 904.8 Okay

    EQUIVALENT UDL ON BEAMS DUE TO SLAB

    EQV UDL FOR

    SHEAR (kN/m)

    DUE TO DL = 13.48

    DUE TO LL = 7.09

    (DL+LL) = 20.57

    DUE TO DL = 19.47

    DUE TO LL = 10.25

    (DL+LL) = 29.71

    SUUMARY OF DESIGN :-

    OVERALL DEPTH = 200 mm

    SHORT SPAN STEEL = 12 mm Dia. @

    LONG SPAN STEEL = 12 mm Dia. @

    36.911

    UNFACORED LOAD FOR

    MANUAL CALCULATION

    24.183

    12.728

    Long Bars

    100 mm C/C Alt Bar Bent Up

    125 mm C/C Alt Bar Bent Up

    EQV UDL FOR

    BENDING (kN/m)

    17.971

    9.458

    27.429

    SHORT

    SPAN

    LONG

    SPAN

    Deflection AspectsStrength Aspects

    IS-456 Guidelines

    Depth of Slab Sufficient

    Short Bars

    As Per Clause No. 23.1 & 24.2 of

    IS 456 :2000

    As Per Clause No. 26.3.3 & 26.5.2.

    Working Loads

    Limit Loads

    lx

    ly

    lx

    ly

    w*lx/2