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OSR127 09/05

Essential Reinforcing Data

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20CM

National Head Office: Level 6, 205 Pacific Hwy, St Leonards NSW 2065. Locked Bag 3050, Artarmon NSW 1570. Telephone: (61 2) 8424 9800. Facsimile: (61 2) 9966 0702. Email: 500PLUS@reinforcing.com

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This information is provided as a service to those interested in steel reinforcement. Since the information is provided for general guidance only, and in no way replaces the services of professional consultants onparticular projects or subjects, no legal liability can be accepted by OneSteel Reinforcing Pty Limited for its use. Not all products are available in all locations. We reserve the right to amend specifications without notice.

500PLUS REIDBAR, 500PLUS REBAR, 500PLUS ADVANCED DESIGN, ONEMESH500, UTEMESH, REOMESH, DECKMESH, STUDMESH, HAUNCHMESH, TRUSSDEK, BAMTEC, ONESLAB, POOLSTEEL, IRONBARK,HANDIMESH, ROMTECH, FIBRESTEEL, FIBRECRETE, MINEMESH, REODATA and TEMPCORE are trademarks authorised for use by OneSteel Reinforcing Pty Limited ABN 22 004 148 289.

OneSteel Reinforcing REBAR and REOMESH products are independently certified by ACRS the Australian Certification Authority for Reinforcing Steels to confirm compliance to Australian Standards.

3

2Contents

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500PLUS REBARProduct Designation

AS/NZS 4671 OneSteel Reo Yield Strength Ductility Product Material Size RangeDesignation Designation (MPa) Class Description Type

D500N_ N_ 500 N Hot-rolled deformed rebar MICROALLOY N10, N12, N16 off coil(500PLUS REBAR) TEMPCORE N12-N40 straight stock lengths

R250N_ R_ 250 N Hot-rolled plain round rebar Mild Steel R6, R10, R12 off coilR16-R28 straight stock lengths

D250N_ S_ 250 N Hot-rolled deformed rebar* Mild Steel S12 straight stock lengths

D500L_ RW_ 500 L Cold-rolled ribbed wire Mild Steel RW4.77 – RW11.90 off coil

R500L_ W_ 500 L Cold-drawn round wire Mild Steel W4-W12 off coil

_ indicates bar diameter in mm

* POOLSTEEL®

500PLUS REBAR Product Designation 3500PLUS REBAR Identifying on Site 4500PLUS REBAR Stock Lengths & Approximate Lengths per Tonne 5500PLUS REBAR Sectional Information 6Lapped Splices for Deformed Bars in Tension 8Quick Reference Table – Tension Lap Lengths 9Threading 500PLUS REBAR 10500PLUS REIDBAR 11Processing 500PLUS REBAR to AS3600 12500PLUS REBAR Standard Hooks and Cogs 13Minimum Dimensions for Standard Shapes Processed to AS3600 14Bending & Rebending 500PLUS REBAR 16Heating & Welding 500PLUS REBAR 18ONEMESH500 Square & Rectangular 19ONEMESH500 Trench Mesh 20Lapped Splices for ONEMESH Mesh in Tension or Compression 21Footing Cages 22

Basic Support Reaction, Bending Moment & Deflection Formulae 23Properties of Standard Shapes 24Right-Angle Triangle Trigonometry 25Imperial to Metric Conversion Tables 26Mass Densities of Materials 27Positioning Tolerances for Reinforcement to AS3600 28Calculating Required Reinforcing Quantities 29500PLUS BAMTEC Reinforcing in a Roll 30HANDIMESH General Purpose Mesh 32STUDMESH Composite Shear Reinforcement 34DECKMESH Composite Shear Reinforcement 35HAUNCHMESH Composite Shear Reinforcement 36TRUSSDEK II Suspended Slab System 38Other OneSteel Reinforcing Products & Services 40OneSteel Reinforcing Branch Locations 42

5

4500PLUS REBAR Identifying on Site

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500PLUS REBARStock Lengths &

Approximate Lengths per TonneBar Size

N10N12N16N20N24N28N32N36N40

6m264183103

------

9m-

12269443122---

10m--

6240282015--

12m-

92513323171310-

15m---

2618141097

Metres per Tonne1582109961739527520215512299

Note: 1) based on invoice weight – includes rolling margin of 2.5% 2) Not all lengths and diameters stocked at all branches

OneSteel Mill MarkingsTo identify OneSteel Reinforcing’s rebar on site, 500PLUS REBAR has distinctive markings.

TEMPCORE 500N Marking(2 extra longitudinal stripes on500PLUS TEMPCORE)

Microalloy 500N Marking(2 extra transverse ribs on500PLUS Microalloy)

Sydney Bar Mill

Newcastle Bar Mill

Newcastle Rod Mill-Coiled Product

Cross-sectional area per metre width (mm2/m) for bar diameters

7

6500PLUS REBAR

Section Information

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Number of Bars

12345678910

Mass per m (kg/m)*Min. Hole Dia. (mm)**

# available in round rebar (R) only

## available in round rebar (R) ordeformed rebar (N)

* invoice weight - includes rollingmargin of 2.5%

** Minimum hole diameter forclearance (mm)

12mm bar also available indeformed rebar (S)

# available in round rebar (R) only

## available in round rebar (R) ordeformed rebar (N)

12mm bar also available indeformed rebar (S)

6# 10## 12## 16 20 24 28 32 36 40

280 780 1130 2010 3140 4520 6160 8040 10200 12600125 224 624 904 1608 2512 3616 4928 6432 8160 10080150 186 520 753 1340 2093 3013 4107 5360 6800 8400175 160 446 646 1149 1794 2583 3520 4594 5829 7200200 140 390 565 1005 1570 2260 3080 4020 5100 6300225 124 347 502 893 1396 2009 2738 3573 4533 5600250 112 312 452 804 1256 1808 2464 3216 4080 5040275 101 284 411 731 1142 1644 2240 2924 3709 4582300 93 260 377 670 1047 1507 2053 2680 3400 4200

Bar Spacing (mm)

100125150175200225250275300

6# 10## 12## 16 20 24 28 32 36 40

28 78 113 201 314 452 616 804 1020 126056 156 226 402 628 904 1232 1608 2040 252086 234 339 603 942 1356 1848 2412 3060 3780114 312 452 804 1256 1808 2464 3216 4080 5040142 390 565 1005 1570 2260 3080 4020 5100 6300170 468 678 1206 1884 2712 3696 4824 6120 7560198 546 791 1407 2198 3164 4312 5628 7140 8820226 624 904 1608 2512 3616 4928 6432 8160 10080254 702 1017 1809 2826 4068 5544 7236 9180 11340280 780 1130 2010 3140 4520 6160 8040 10200 12600

0.227 0.632 0.910 1.619 2.528 3.640 4.955 6.471 8.190 10.1128 12 15 20 25 29 34 39 44 49

500PLUS REBARSection Information

Cross-sectional area per metre width (mm2/m) for bar diameters

9

8Lapped Splices for Deformed

Bars in Tension

Quick Reference Table– Tension Lap Lengths

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Cover (mm) f’c30 2025 20/2520 20/25/3240 20/2530 25/3225 32/4020 40/5050 2040 3230 40/5025 5065 2050 25/3240 40/5065 25/3250 40/5040 50

Bar Diameter (mm)

For bars in slabs and walls if cleardistance between adjacent parallelbars developing stress is not less than150mm

For any other longitudinal bar

* Cover shall not be less than bar diameter

10 12 16 20 24 28 32* 36* 40*300 450 700 1000 1350 1750 2150 - -

450 600 1000 1450 1900 2450 3000 - -

250 300 500 750 950 1250 1550 1850 -

300 450 700 1000 1350 1750 2150 2550 -

250 300 400 550 750 950 1200 1450 1750

250 350 550 800 1050 1350 1700 2100 2450

250 300 400 500 650 850 1050 1300 1550

250 300 450 650 900 1200 1500 1800 2200

250 300 400 500 600 700 900 1100 1300

250 300 400 550 750 1000 1250 1500 1800

Quick Reference Table – Tension Lap Lengths

Choose the section of the table with the relevant cover and concretestrength (f’c) on the same line, refer to this section for the tension laplength relating to the bar diameter listed in the two shaded sections(refer below for shading). If the required cover or concrete strength isnot listed use the closest lower values of cover and concrete strength.

Common bar chair sizes (mm) are: 20, 25, 30, 40, 50, 65, 75+

In AS3600, clause 13.1.2.1 states that the development length (Lsy.t)to develop the yield strength (fsy) of a deformed bar in tension shallbe calculated as follows:

Lsy.t =k1k2fsy Ab

(2a + db)√f’c≥ 25k1db where

k1 = 1.25 for a horizontal bar withmore than 300mm of concrete castbelow the bar; or

= 1.0 for all other barsk2 = 1.7 for bars in slabs and walls if

the clear distance betweenadjacent parallel bars developingstress is not less than 150mm or > 150mm

= 2.2 for longitudinal bars in beamsand columns with fitments

= 2.4 for any other longitudinal bar

fsy = the yield strength of the reinforcingbar

Ab = the cross sectional area of thereinforcing bar

2a = twice the cover to the bar or theclear distance between adjacentparallel bars developing stress,whichever is less

db = the nominal diameter of a barfc = the characteristic compressive

cylinder strength of concrete at 28 days

11

10Threading 500PLUS REBAR

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The design tensile strength of fine-threaded 500PLUS REBAR (φNtf) canbe determined in accordance with AS4100 Steel Structures. Based onthe results of testing, fine-threaded 500PLUS REBAR has reducednominal yield strength equal to 75% of the nominal yield strength (500 MPa) and a reduced nominal tensile strength equal to 85% of thenominal tensile strength (540 MPa) based on the thread stress area.

It follows that OneSteel 500PLUS REBAR, when cut with AS1275 metricthreads and fitted with AS1112 Property Class 5 nuts, has the values of design tensile strength (φNtf) specified in the adjoining table. Thesedesign tensile strengths are based on the effective tensile stress areasfrom AS1275, a strength reduction factor φ = 0.8, and a nominaltensile strength equal to 0.85 x 540 = 459 MPa.* Denotes second choice thread size. Nuts may be difficult to obtain. N.B. Engineers should be

aware that threading reinforcing bars this way also reduces the ductility to less than the minimum requirements for Class N bars specified in AS/NZS 4671.

M12 M10 21

M16 M12 31

M20 M16 58

M24 M20 90

M28 M24 130

M32 M30 205

M36 M33* 255

M40 M36 300

Bar Diameter

(mm)

Nominal Thread Size

(mm)

OneSteel 500PLUS TEMPCORE Design Tensile Strength

(φNtf) (kN)

500PLUS REIDBAR is a hot-rolled, continuously coarse-threaded, steelreinforcing bar that complies with the requirements in AS/NZS 4671 forClass N reinforcement. When used in conjunction with accessories, it offersthe designer flexibility to overcome challenging design or buildability issues.These tables list the material properties and the common accessoriesavailable for 500PLUS REIDBAR. A 500PLUS REIDBAR Design Guide andcase studies are available from OneSteel Reinforcing or www.reinforcing.com.

RB12 RBA16 RBA20 RB25 RB32Cross-sectional Area (mm2) 113 201 314 491 804

Yield Strength* (MPa) 500 500 500 500 500Design Yield Strength* (kN) 56.5 100.6 157.0 245.5 402.0Design Tensile Strength* (kN) 61.0 108.5 169.6 265.1 434.2

Max. TensileWorking Load* (kN) 39.0 70.0 109.0 171.0 281.0

Design Shear Strength* (0.62 min ult) (kN) 37.8 67.3 105.2 164.4 269.2Minimum Hole for

Clearance (mm) 15 20 24 29 38

145 185 230 285 365

Bar Diameter (mm)

Minimum Length ‘a’ for L barwith Coupler (mm) (5db pin)

Coupler RB12C RBA16C RBA20C RB25C RB32CThreaded Insert** RB12TI RBA16TI RBA20TI RB25TI RB32T

Grout Sleeve RB12GS RBA16GS RBA20GS RB25GS RB32GSFoot Plate RB12FP RBA16FP RBA20FP RB25FP RB32FP

Nut*** RB12N RBA16N RBA20N RB25N RB32N

All accessories, except nuts, develop the breaking strength of 500PLUS REIDBAR* Lower characteristic value ** The load that a threaded insert can provide is dependent onits anchorage (refer Design Guide) *** Nuts have a minimum strength of 1.15fsy

A standard hook or cog provides half of the tensile development length for that end of the bar, measured from the end of the bar.

A standard hook consists of a 135oor 180

obend around the appropriate pin with a straight extension of:

-10db or 100mm whichever is greater for shear reinforcement in beams

- 8db or 140mm whichever is greater for plain round bars

- 4db or 70mm whichever is greater for all other applications

A standard cog consists of a 90o

bend around the appropriate pin, but not greater than 8db having the

same total length as required for a 180o

hook of the same diameter bar.

Standard Hook

Standard Cog

13

12Processing 500PLUS REBAR

to AS3600

500PLUS REBAR Standard hooks and cogs

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Product Use Product Type Pin SizeFitments Ribbed or round wire &

Grade 250 rebar 3db

Grade 500 rebar 4db

Reinforcement that is to be galvanised or 16mm diameter or less 5db

epoxy coated (before or after bending) 20mm diameter or greater 8db

Reinforcement in which the 16mm diameter or less 4db

bend is intended to be 20mm & 24mm diameter 5db

straightened or rebent * 28mm diameter & greater 6db

Other reinforcement of any grade 5db

Bending Reinforcing Bars

* must be indicated on drawing that bars are to be straightened or rebent

Product Use Product AllowableTolerance

On any overall ≤600mm -25, +0 mmdimension for bars or overallmesh except where >600mm -40, +0 mmused as a fitment overallOn any overall Deformed bars -15, +0 mm

dimension for bars and meshor mesh used Plain round -10, +0 mmas a fitment bars and wire

For offset dimension -0, +10 mmof a cranked bar

Standard Processing Tolerances

The nominal internal diameter of a reinforcement bend or hook shall be taken as thediameter of the pin around which the reinforcement is bent. The diameter of the pin shall be not less than the value determined from the above table as appropriate:

15

14Minimum Dimensions for Standard

Shapes Processed to AS3600

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Rebar Typeand Size

a* b a* a a a a a - Beams a - otherR6 165 40 80 80 90 80 150 150 150R10 175 60 130 130 150 130 170 180 180R12 185 75 155 155 160 155 200 195 195

Pin Size 4db 5db 5db 5db 5db - 3db for R rebar

The pin sizes used in this table are for hot-rolled deformed bars, which are not to be subsequently straightened or rebent.Values indicated are a guide only, and may vary depending on equipment of supply locations. Some values are governed by processing equipment rather than minimum code requirements. If you require a shape smaller than indicated please contact your OneSteel Reinforcing representative for possible alternatives. * Standard hooks and cogs in table are based on 4db or 70mm requirement.

The pin sizes used in this table are for mild steel bars, which are not to be subsequently straightened or rebent. Values indicated are a guide only, and may vary depending onequipment of supply locations. Some values are governed by processing equipment rather than minimum code requirements. If you require a shape smaller than indicated pleasecontact your OneSteel Reinforcing representative for possible alternatives. * Standard hooks and cogs in table are based on 8db or 140mm requirement.

Rebar Typeand Size

a* b a* a a a a a - Beams a - otherN10 105 80 130 130 150 130 400 180 160N12 115 95 155 160 160 155 400 215 180N16 130 125 210 210 210 210 420 280 215N20 170 155 260 260 260 260 500 350 260N24 220 185 315 315 315 315 550 420 300N28 250 220 365 365 365 365 600 500 350N32 270 250 420 420 420 420 800 600 400N36 300 280 470 470 470 470 1000 - -N40 340 310 520 520 520 520 1200 - -

Code Pin Size 5db 5db 5db 5db 5db - 4db for N rebar

Standard Shapes that can be processed complying with AS3600

Standard Shapes that can be processed complying with AS3600Minimum Dimensions (mm) for R Rebar

Minimum Dimensions (mm) for N Rebar

17

16Bending & Rebending

500PLUS REBAR

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Bending/Rebending & Welding Practice Notes

A number of situations may arise where bars must be bent orrebent on site, or where pre-bent bars must be straightened. For smaller diameter bars (i.e., 10, 12 & 16mm), this is preferably performed at ambient temperature, as this has the least effect on steel properties. Please observe the following:• The initial bend should be performed around a mandrel

or former of diameter specified in the relevant code, andgenerally not less than 4db.

• Rebending or straightening should be performed using apowered bending tool, or a pipe with internal diameter not greater than 2x the nominal bar diameter.

• Do not use impact blows to bend or rebend the steel.• Take care to minimise surface damage and

visually inspect rebent area for cracks.

For larger diameter bars, the application of heat (e.g. from anacetylene flame) may be used to reduce the bending force, buta reduction in bar strength may result.

Further details on bending/rebending & welding 500PLUS REBARcan be found at www.reinforcing.com

A pipe must not be used to make the initial bend, or to rebend back past thestraight position. Rebending of bars that have been bent prior to galvanising isnot recommended, as cracking on the inside of the original bend may result.

Bending Properties

Diameter AS/NZS 4671Requirements

AS3600Requirements

TEMPCORE500PLUSCapability

Microalloy500PLUSCapability

GalvanisedBars*

≤16mm – 5db generally, but 4db for

fitments

2db @ 180deg

3db x 180 deg 5db x 180 deg

≥20mm 4db x 180 deg 5db generally, but 4db for

fitments

3db @ 180deg

Not produced

8db x 180 deg

* The bending limits shown in this column have been specified in AS 3600 to minimise spallingof the galvanised coating.

Rebending Properties

Diameter AS/NZS 4671Requirements

AS3600 LimitsTEMPCORE500PLUSCapability

Microalloy500PLUSCapability

≤16mm 4db 4db4db 4db

20< db <24 – 5db5db –

28< db <36 – 6db6db –

Based on a 90 degree bend, ageing at 100 °C for 1 hour and then rebent to straight as perAS/NZS 4671.

19

18Heating & Welding 500PLUS REBAR

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iv) if during heating the temperature of the bar exceeds 450oC, the designyield strength of the steel after bending shall be taken as 250 MPa.

Welding

500PLUS REBAR produced by the TEMPCORE process and microalloyed500PLUS coiled rebar has a maximum carbon equivalent (Ceq) of 0.44.max and, as such, requires no pre-heating prior to welding. Pre-heatingis not required when welded in accordance with the AS/NZS1554 part3. Hydrogen controlled electrodes will be required for all weld types,and matching strength electrodes will be required for butt welds.

Note: Some types of welded splices can reduce the ductility of theconnected bars.

After heating, the resulting ambient temperature properties ofreinforcing steels may be significantly altered. This is an importantconsideration if heat has been applied to assist with bending bars,through welding, or the effect of fire. To effectively manage thetemperature control during the heating or welding process the use of temperature control crayons is recommended.

Heating

Heating should be avoided if the original bar properties are required.Bending should always be around a former of the appropriate size(refer processing to AS3600). AS3600 states in clause 19.2.3.1 thatreinforcement may be bent hot, provided that:i) the steel is heated uniformly through & beyond the portion to be bent ii) the temperature of the steel does not exceed 600oC iii) the bar is not cooled by quenching

ONEMESH500®

Properties Slab Mesh

(6m x 2.4m)

60 94 89 141 179 227 290 354 454 358 454 581 709 899 1112

60 94 89 141 179 227 290 354 454 227 227 227 227 227 227

15 21 20 33 41 52 66 80 105 67 79 93 109 130 157

Square Meshes (SL) with edge lap wires Rectangular Meshes (RL)

Cross-sectional

Area(mm2/m)

LongitudinalWiresCrossWires

Sheet Mass (kg)* SL53 and SL63 are 6m x 2.3m

SL53*(WAOnly)

SL63*(WAOnly)

SL52 SL62 SL72 SL82 SL92 SL102 SL81 RL718 RL818 RL918 RL1018 RL1118 RL1218

ONEMESH500Square & Rectangular

21

20ONEMESH500 Trench Mesh

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Lapped Splices for ONEMESH500 Mesh in Tension

or Compression

200 300 400 200 300 400 200 300 400

7.0 9.1 11.2 13.5 17.8 22.0 16.8 22.1 27.3

3 4 5 3 4 5 3 4 5

136 181 227 270 360 450 334 445 556

LongitudinalWires

Strip Width (mm)

Strip Mass (kg)

No. of Longitudinal WiresCross-sectional Area

(mm2/m)

Trench Mesh(6m long) L8TM200 L8TM300 L8TM400 L11TM200 L11TM300 L11TM400 L12TM200 L12TM300 L12TM400

‘one’ – rolled into every sheet of ONEMESH500which is your OneSteel guarantee of quality.

In AS3600, clause 13.2.3 states that the two outermost transversewires of one sheet of mesh must overlap the two outermost transversewires of the sheet being lapped, as shown below.

Overlap of ends of sheets (with overhang)

Overlap of sides of sheets

Overlap of side and end of sheets

23

22Footing Cages

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Prefabricated Footing Cages (6m long) L8TM Top and Bottom L11TM Top & Bottom L12TM Top & Bottom

8TM200 Top& 11TM200

BottomCage Width (mm) 200 300 200 300 200 300 200

QLD ZC110 ZC12 ZC111 ZC11 - - -

NSW 8ZC2020 8TC3020 11ZC2020 11TC3020 12ZC020 - -

QLD ZC210 ZC17 ZC711 ZC18 ZC9Y - ZC7A

NSW 8ZC2028 8TC3030 11ZC2028 11TC3030 12ZC2028 12TC3028 -QLD ZC310 FC19 ZC811 FC20 - - FC8A

NSW 8ZC2040 - 11ZC2040 - 12ZC2040 - -

200mm Deep Cage

300mm Deep Cage

400mmDeep Cage

Product Code

Product Code

Product Code

Basic Support Reaction, Bending Moment & Deflection Formulae

Load Case Reaction at Support Maximum Moment Maximum Deflection

Ra Rb

wL wL wL2 5wL4

2 2 8 384 EI

P P PL PL3

2 2 4 48 EI

Pb Pa Pab PL3 a3 1–

a 2 3 a< 0.5L L L 27 EI L L L

wa - wa2 wa4 1+ 4b2 8 EI 3a

P - Pa Pa3 1+3b3 2a

w = load per unit length or area. I = second moment of area for whole widthof member. Effect of self-weight of member to be considered

separately to other load cases.

which applies for

( )( ( )

( )

25

24Properties of Standard Shapes

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Shape Area Perimeter Second moment of area# (lx)

bh 2(b +h) bh3

12

πD2 or πr2 πD or 2πr πD4 or πr4

4 64 4

bh b + h + √(h2 + b2) bh3

2 36

h(a+b) a + b + √(h2 + c2) + √(h2 + d2) h3(a2 + 4ab + b2)2 36(a+b)

# second moment of area is for the x or horizontal axis at centroid

Right-Angle Triangle Trigonometry

Length of Sides:

C = √(A2 + B2); A = √(C2 - B2); B = √(C2 - A2)

Angles:

θ = tan-1 A or sin-1 A or cos-1 B ; β = tan-1 B or sin-1 B or cos-1 A ;B C C A C C

Intermediate Lengths:

c = B x d; d = A x cA B

27

26Imperial to Metric Units

Conversion Table

Mass Densities of Materials

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Angle

Area

Force

Fuel Consumption

Length

Mass

1 degree1 acre1yd2

1ft2

1lbf1tonf1mpg1 mile1yd1ft1in1ton1lb1oz

0.0175 radian0.405 ha0.836m2

0.0929m2

4.448N9.964kN

0.354km/L1.609km0.914m0.305m25.4mm1.016t

0.4535kg28.35g

Unit Imperial Metric Conversion

AluminiumBrass

Cast IronClay dryClay wetConcreteCopper

Earth dryEarth wet

Glass

27008400-86007000-7400

148016602400890012801760

2400-2800

Material kg/m3

Sand dampSand wetSandstone

ShaleSteel

Top SoilWater freshWater saltWood softWood hard

1690184015101250785095010001030480800

Material kg/m3

26001930900

1137013570196017201570

960-13001420

GraniteGravel mixed grading

IceLead

MercuryRockfill 75%rock, 25%earthRockfill 50%rock, 25%earthRockfill 25%rock, 75%earth

RubberSand dry

Material kg/m3

Moment

Power

PressureTemperature

Speed

Volume

Volume Flow Rate

1lb.ft1hp

1Btu/h1lbf/in2

oF1ft/s

1 mile/h1 knot1yd3

1ft3

1gal1in3

1ft3/s1ft3/min

1.356N.m0.746kW0.293W6.895kPa

5/9 x(oF -32) oC0.305m/s

1.609km/h1.852km/h

0.765m3

0.0283m3

4.546 litre16.387mL

0.0283m3/s0.472m3/s

Unit Imperial Metric Conversion

Note: for US gallon reduce value by 16.74%

Note: figures for soils can vary greatly depending on moisture content, particle size and compaction.Figures provided are averages.

29

28

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Positioning Tolerances for Reinforcement to AS3600

Beams, slabs, columns and walls

Slabs on ground

Footings cast in ground

End of reinforcement

Spacing of bars or fitments in walls, slabs,beams or columns

-5, +10mm

-10, +20mm

-20, +40mm

50mm

10% or 15mm whichever is greater

Position controlled by cover

Position not controlled by cover

Application Allowable Deviation

Note: a positive value indicates the amount the cover may increase and a negative value indicates the amount the cover may decrease

Calculating Required Reinforcing Quantities

Rebar

No. of Bars: Round Up Coverage Length (m) + 1( Bar Spacing (m) )

Bar Length: Concrete dimension (mm) – Σ{cover each end (mm)}

Stock Bars: Allow for lapping of bars when calculating No. of Bars

Tie Wire: 1.5 kg per tonne of rebar

Spirals Diameter: Concrete dimension (mm) – cover each side (mm)

Pitch: Specified on drawing, maximum of half diameter of spiral

No. of Turns: Round Up Coverage Length (m) + 3( Pitch (m) )

SlabsMesh Round Up: Slab Area (m2) = No. of 6m x 2.4m Sheets

12.5

Bar Chairs: Slab Area (m2) x 1.5 = No. of Chairs

Polythene Membrane: Slab Area (m2) = No. of 200m2 rolls180

Duct Tape: 2 rolls per 200m2 roll of Polythene membrane

Strip Footings

Trench Mesh: Footing Length (m) = No. of 6m lengths5.4

Prefab Cages: Footing Length (m) = No. of 6m cages5.4

Support Chairs: 7 chairs per 6m length/cage

( )

( )

31

30500PLUS BAMTEC

Reinforcing in a Roll

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BAMTEC is the world’s fastest steel fixing system. It involvesdesigning and prefabricating reinforcing steel “carpets” to a wide range of shapes and sizes.

Individual rebars are welded to flexible steel straps, which canconnect up to hundreds of bars together, and the carpet is rolledup for handling and transport.

The carpets can contain different types and sizes of bars, havebars at different spacings and can accommodate complex shapes and penetrations.

When needed on site, the carpet is simply lifted into place andunrolled onto continuous bar chairs.

Size limits

The minimum diameter of bar which can be used withBAMTEC is 10mm. The largest diameter used is 32mm Class N 500PLUS REBAR.

The minimum bar spacing is 50mm up to a maximumspacing of 400mm. BAMTEC comes in widths from 1.8m minimum to 15m. Maximum mass per carpet isapproximately 1.6 Tonne.

Benefits

• Super-fast construction• Save up to 80% on steel-fixing costs• Ideal for suspended slabs, slab on ground,

CRCP and tilt-up panels• Improves cost effectiveness of slab construction• Variable spacing and bar diameters available• Improved accuracy and quality• Less material waste and scrap• Design assistance available• Less bending and carrying• Easier chairing and no bars to sort• Simpler marking plan

33

32HANDIMESH

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HANDIMESH is a range of general purpose welded meshproducts. Available in 21 different specifications including:• Pre-galvanised & bright wire• Sheets & Rolls• Half and full sheetsIdeal for fencing, shelving, security, gates, safety, guarding and point-of-sale and is flush cut, saving you time in trimming.

®�

G112A 3.000 2.400 2.50@25 2.50@25 23G112AHS 2.000 1.200 2.50@25 2.50@25 8G122AHS 2.000 1.200 2.50@25 2.50@50 6G113 3.000 2.400 3.15@25 3.15@25 36G123 3.000 2.400 3.15@25 3.15@50 27G224 3.000 2.400 4.00@50 4.00@50 29G224HS 2.000 1.200 4.00@50 4.00@50 10G225 3.000 2.400 5.00@50 5.00@50 44G234 3.000 2.400 4.00@50 4.00@75 24G234HS 2.000 1.200 4.00@50 4.00@75 8G235 3.000 2.400 5.00@50 5.00@75 38G445 3.000 2.400 5.00@100 5.0@100 23G445A 3.000 2.400 5.60@100 5.60@100 29G444HS 2.000 1.200 4.00@100 4.00@100 5*B224 3.000 2.400 4.00@50 4.00@50 29*B225 3.000 2.400 5.00@50 5.00@50 44*B234 3.000 2.400 4.00@50 4.00@75 24*B235 3.000 2.400 5.00@50 5.00@75 38*B445A 3.000 2.400 5.60@100 5.60@100 29

Product Code Length m

Width m

Line Wire mm

Cross Wiremm

Mass Kg

*Made from bright wire

HANDIMESH SHEETS

Product Code Lengthm

Lengthm

Line Wiremm

Cross Wiremm

Mass Kg

HANDIMESH ROLLS

G232A9 30.000 0.900 2.50@50 2.50@75 36G232A12 30.000 1.200 2.50@50 2.50@75 48G232A18 30.000 1.800 2.50@50 2.50@75 71G442A12 30.000 1.200 2.50@100 2.50@100 29G442A18 30.000 1.800 2.50@100 2.50@100 42

35

34STUDMESH Composite Shear Reinforcement

DECKMESHComposite Shear Reinforcement

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DECKMESH 500MPa

Product Code Panel Size Wire Diameter To suit deck Pitch Mass(mm) (mm) between (kg/m)

ribs(mm)DM200 600 x 450 6 RF55, BONDEK II 200 3.2

DM300 1200 x 450 6 CONDECK HP 300 2.7KF57, KF70

STUDMESH STRAIGHT – 500MPa

Product Sheet Size Transverse Bar Transverse Ab or Asv-1 Asv-2

Code (mm) Diameter Bar Spacing (mm2 (mm2

(mm) (mm) per m) per m)SMS100 2.4m x 600mm 10 100 800 1600SMS150 2.4m x 600mm 10 150 533 1066SMS200 2.4m x 600mm 10 200 400 800SMS250 2.4m x 600mm 10 250 320 640SMS300 2.4m x 600mm 10 300 266 532SMS350 2.4m x 600mm 10 350 228 456SMS400 2.4m x 600mm 10 400 200 400SMS450 2.4m x 600mm 10 450 177 354SMS500 2.4m x 600mm 10 500 160 320SMS550 2.4m x 600mm 10 550 145 290SMS600 2.4m x 600mm 10 600 133 266

STUDMESH U-BAR – 500MPaProduct Sheet Size Transverse Bar Transverse Ab or Asv-1 Asv-2

Code (mm) Diameter Bar Spacing (mm2 (mm2

(mm) (mm) per m) per m)SMU200 2.4m x 500mm 10 200 800 1600SMU300 2.4m x 500mm 10 300 533 1066SMU400 2.4m x 500mm 10 400 400 800SMU500 2.4m x 500mm 10 500 320 640SMU600 2.4m x 500mm 10 600 266 532

• STUDMESH is a joint OneSteel Reinforcing and UWS-CCTRcomposite beam innovation for all steel decking systems.

• More efficient than placing individual transverse reinforcingbars or mesh around sheer connectors as longitudinal shearreinforcement.

• Suitable for use in secondary and primary compositebeams, or when the sheeting ribs are parallel on one side,perpendicular on the other.

• Can be designed using Clauses 9.4 to 9.7 of AS 2327.1as Type 1, 2 or 3 longitudinal shear reinforcement

• DECKMESH is a joint OneSteel Reinforcing & UWS-CCTRcomposite beam innovation

• Satisfies Clause 9.8 of AS 2327.1 Simply Supported CompositeBeams regarding reforcing secondary composite edge beamsagainst Type 4 (rib-shearing) longitudinal shear failure.

• Prevents concrete pull-out failure when trapezoidal decks likeKF70 are used with stud pairs in internal secondary beams.

• No design calculations required to specify DECKMESH toprevent rib-shearing or concrete pull-out failures when used with welded studs.

DECKMESH 300For use with KF70, KF57 and CONDECK

HP steel decks (2.7 kg/m)

DECKMESH 200For use with RF55 and BONDEK II steeldecks with 200mm pitch ribs (3kg/m)

37

36HAUNCHMESH Composite

Shear Reinforcement

www.reinforcing.com

• HAUNCHMESH is a composite beam innovation madeunder exclusive licence by OneSteel Reinforcing.

• Welded studs need to be spaced longitudinally in singlesor doubles to match the spacing of the transverse bars in standard HAUNCHMESH STRAIGHT panels

• Controls longitudinal splitting, prevents lateral punch-outof concrete in haunch and ensures welded studsarranged in singles achieve solid-slab strength status.

• Minimum concrete haunch width with split decking equals220mm (KF70) or 240mm (W-DEK) at base, and studs must be centred in haunch.

• Availale for KF70 with unsplit decking and narrow 136mm wide haunch

• Type 1,2 or 3 longitudinal shear reo (Clause 9.7 of AS 2327.1)

HAUNCHMESH STRAIGHT – 500MPa for Fielders’ KF70 or Lysaght’s W-DEKProduct Sheet Size Transverse Bar Transverse Longitudinal LongitudinalCode (mm) Diameter Bar Spacing Bar Diameter Bar Spacing

(mm) (mm) (mm) (mm)HS100A 3m x 200mm 9.5 100 7.6 150HS150A 3m x 200mm 9.5 150 7.6 150

HAUNCHMESH - HANDLEBAR - To suit Fielders’ KF70

Product Sheet Size Handlebar HandlebarCode Wire Diameter Spacing

(mm) (mm)HS100A100F 3m x 500mm 10 100HS100A200F 3m x 500mm 10 200HS100A300F 3m x 500mm 10 300HS100A400F 3m x 500mm 10 400HS150A150F 3m x 500mm 10 150HS150A300F 3m x 500mm 10 300HS150A450F 3m x 500mm 10 450

HAUNCHMESH - HANDLEBAR - To suit Lysaght’s W-DEKProduct Sheet Size Handlebar HandlebarCode Wire Diameter Spacing

(mm) (mm)HS100A100L 3m x 500mm 10 100HS100A200L 3m x 500mm 10 200HS150A150L 3m x 500mm 10 150HS150A450L 3m x 500mm 10 450

HAUNCHMESH Longitudinal RW8 Wire Diameter 8mm, Longitudinal Wire Spacing 150mm

HAUNCHMESH STRAIGHT

HAUNCHMESH HANDLEBAR

39

38TRUSSDEK II

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TRUSSDEK Panel Code TRUSSDEK Composite Slab Type (see figures opposite)Truss-Voided/Truss-Voided Truss-Voided/Infill-Solid

TD90 55 25TD110 65 30TD140 75 35

Average saving in concrete depth in voided slabs (mm)(TRUSSDEK panels are precambered in the factory to prevent concrete ponding)

e.g. Average depth of a 200mm deep TRUSSDEK composite slab type Truss-Voided/Truss-Voided with TD140 panels equals 200 – 75 = 125mm

Overall depth of TRUSSDEK panels is 90,110 or 140mm standard (TD160, TD220 and TD260 also available)

(Pre-punched holes in panel webs may befrom 50 to 90mm deep and 90mm long)

Truss – Voided/Truss - Voided

Truss – Solid/Infill - Solid

Truss – Voided/Infill - Solid

Truss – Solid/Truss - Solid

8000

7000

6000

5000

4000

3000

2000100 150 200 250 300

Overall Composite Slab Depth Dcs (mm)Span Chart for Truss – Voided/Truss – Voided Slabs in Unpropped Construction using Simply-Supported Panels

350 400 450 500

TD140TD110

TD90

41

40Other OneSteel Reinforcing

Products & Services

OneSteel ReinforcingPublications

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BOSFA

Rebar SolutionsReinforcing from design to installation. Rebar Solutions also containsdetails of construction systems including TRUSSDEK permanent formwork,ROMTECH tunnel reinforcement, FIBRESTEEL and FIBRECRETE.Mesh SolutionsReinforcing meshes available for different applications including:residential construction, low to medium-rise construction, high-risecommercial construction, industrial slabs and pavements, compositeshear reinforcement, rural, mining and industrial solutions.AccessoriesComprehensive details of a wide range of accessories including: bar chairs and steelfixing materials, dowels and accessories, key joint systems and jointing materials, couplers and mechanical splices; and Weepa sleeves and galvanised lintels.

Contact OneSteel Reinforcing to obtain a copy of these publications andsave time, effort and money on your next reinforcing concrete project.

43

42OneSteel Reinforcing

Branch Locations

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QueenslandBrisbane OneSteel ReinforcingPh: 07 3845 5655 Fax: 07 3845 5697

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Western AustraliaPerth OneSteel ReinforcingPh: 08 6332 3111 Fax: 08 6332 3179

Northern TerritoryDarwin OneSteel ReinforcingPh: 08 8947 0330 Fax: 08 8947 0358

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