Tank Saddle analysis
1
Horizontal Tank.xls 1) INPUT: 2) Cylinder thickness, in 1.53 Shell stress, psi 1461 Allowable stress, psi 2200 3) SSL , in 787.4 (Head height is . 17 X diameter) 4) Diameter, in 173.23 5) S.G. 1.54 6) Saddle spacing, in 512.00 (Use tools, solver to find optimum) 7) Width of build up ring, in 8.00 8) Overlay ring thickness, in 1.75 Ring stress, psi 11,376 (12,500 allow. for FW) 9) Head thickness, in 1.53 Min head thick, in 1.515 10) Pressure above head, psi 29.01 11) Axial Modulus E, psi 1.64E+06 12) Hoop Modulus E, psi 1.76E+06 13) OUTPUT: 14) Total length, in 874.02 (Straight side + 2X the head height) 15) Total gallons 86215 16) Pressure at bottom, psi 38.638 17) Head thickness min., in 1.531 18) Distance saddle to end, in 181.01 B18/B14= 0.2071 19) Hoop stress, psi 1461.41 (B18/B14 Should be.2071 for optimum) 20) Fluid weight, lb 1107196 21) FRP weight, lb 66,870 (cylinder, heads, and support rings only) 22) Total weight, lb 1174066 23) Line load, lb/in 1353.60 24) Bend. moment at saddle, in/lb 22174510 25) Bend moment at center, in/lb 22180199 26) Axial stress at saddle, psi 1141.55 27) Axial stress at center, psi 1141.66 28) Deflection at center, in 0.0607 29) Deflection % at center 0.0119 30) Effective width of support ring, in 37.11 31) Moments, forces, and stresses away from the saddle tip (120 degree saddles and shear ply) 32) Moment, in lb 1129777 (Max moment at 2D*pi/48) 33) Vertical force, lb 99700 34) Tangential force, lb 96300 35) Normal force, lb 36) Bending stress, psi 11376 (Tension side) 37) -11004 (Compression side) 38) Shear stress, psi 0 40) 39) Moments, forces, and stresses at the saddle tip (120 degree saddles and rigid connection) 41) Moment, in lb 2715489 42) Vertical force, lb 237886 43) Tangential force, lb 206009 44) Normal force, lb 118943 45) Bending stress, psi 26351 (Tension side) 46) -27442 (Compression side) 47) Shear stress, psi 793 48) Saddle weight each, lb 533.3 Rick Van Name Page 1 1/21/2004
description
Calculation of Tank supports
Transcript of Tank Saddle analysis
Horizontal Tank.xls 1) INPUT:
2) Cylinder thickness, in 1.53 Shell stress, psi 1461 Allowable stress, psi 2200
3) SSL , in 787.4 (Head height is . 17 X diameter)
4) Diameter, in 173.23
5) S.G. 1.54
6) Saddle spacing, in 512.00 (Use tools, solver to find optimum)
7) Width of build up ring, in 8.00
8) Overlay ring thickness, in 1.75 Ring stress, psi 11,376 (12,500 allow. for FW)
9) Head thickness, in 1.53 Min head thick, in 1.515
10) Pressure above head, psi 29.01
11) Axial Modulus E, psi 1.64E+06
12) Hoop Modulus E, psi 1.76E+06
13) OUTPUT:
14) Total length, in 874.02 (Straight side + 2X the head height)
15) Total gallons 86215
16) Pressure at bottom, psi 38.638
17) Head thickness min., in 1.531
18) Distance saddle to end, in 181.01 B18/B14= 0.2071
19) Hoop stress, psi 1461.41 (B18/B14 Should be.2071 for optimum)
20) Fluid weight, lb 1107196
21) FRP weight, lb 66,870 (cylinder, heads, and support rings only)
22) Total weight, lb 1174066
23) Line load, lb/in 1353.60
24) Bend. moment at saddle, in/lb 22174510
25) Bend moment at center, in/lb 22180199
26) Axial stress at saddle, psi 1141.55
27) Axial stress at center, psi 1141.66
28) Deflection at center, in 0.0607
29) Deflection % at center 0.0119
30) Effective width of support ring, in 37.11
31) Moments, forces, and stresses away from the saddle tip (120 degree saddles and shear ply)
32) Moment, in lb 1129777 (Max moment at 2D*pi/48)
33) Vertical force, lb 99700
34) Tangential force, lb 96300
35) Normal force, lb
36) Bending stress, psi 11376 (Tension side)
37) -11004 (Compression side)
38) Shear stress, psi 0
40) 39) Moments, forces, and stresses at the saddle tip (120 degree saddles and rigid connection)
41) Moment, in lb 2715489
42) Vertical force, lb 237886
43) Tangential force, lb 206009
44) Normal force, lb 118943
45) Bending stress, psi 26351 (Tension side)
46) -27442 (Compression side)
47) Shear stress, psi 793
48) Saddle weight each, lb 533.3
Rick Van Name Page 1 1/21/2004
