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Calculation for FRP Tank Wall Thickness.Top Dish with Flat BottomTank Diameter = Dish Radius, R (cm) 160 cmSubjected to Pressure, P 2
1201.3333 cm5 mm
Density of FRP Material (10%) , w=1.54 1.54 2.0568 cm21 mm
DO NOT USE YET
kg/cm2
For FRP , a = 120 kg/cm2
Shell thickness, t1 = (d / 2 x a ) x P
Dish Shell thickness, t2 = (P * R * w ) / (2 a - 0.2P) t2
Created and Designed by Rick
Feb-2000 (continous upgrade)
Structural Weight
Select Material Select Material SS400
No. Angle, Channel per meter run (W/m) Shape
1 4 nos Column 110.00 C100x50x5t 9.360 110.000 1029.600
2 2 nos beam (length side) 20.00 C100x50x5t 9.360 20.000 187.200
3 2 nos beam (width side) 21.00 L50x50x6t 4.430 21.000 93.030
4 Platform side C-Channel 50.00 C150x75x9t 24.000 50.000 1200.000
5 Platform middle angle 32.00 L65x65x6t 5.910 32.000 189.120
6 Platform middle C-Channel C150x75x6t
7 Ladder- main frame C150x75x6t
8 Ladder-Step-angle H300x300x10t
9 L20x20x3t
10 L20x20x3t
11 L20x20x3t
12 L20x20x3t
13 L20x20x3t
14 L20x20x3t
15 L20x20x3t
16 L20x20x3t
17 L20x20x3t
18 H300x300x10t
Total Weight : 2698.95
Plate and Chequered plate per square meter (W/m
1 2.45 1.25 1.0t-Plate 7.850 3.063 24.041
2 8.00 0.50 1.6t Plate 12.560 4.000 50.240
3 8.00 0.50 2.3t Plate 18.060 4.000 72.240
4 8.00 0.50 3.0t Plate 23.550 4.000 94.200
5 8.00 0.50 3.2t Plate 25.120 4.000 100.480
6 8.00 0.50 4.5t Plate 35.320 4.000 141.280
7 8.00 0.50 6.0t Plate 47.100 4.000 188.400
Total Weight : 670.88
No. Piping Pipe Size & Material
1 1.00 15A VP 0.460 1.000 0.460
Length(m)
Unit Weigth(kg/m)
Length(m)
sub total weight(kg)
Length(m)
Width(m) (kg/m2) (m2) sub total weight
(kg)
Length(m)
Weigth(kg/m)
Length(m)
sub total weight(kg)
2 1.00 20A VP 0.677 1.000 0.677
3 1.00 25A VP 1.046 1.000 1.046
4 1.00 32A VP NO DATA 1.000
5 1.00 40A VP 2.151 1.000 2.151
6 1.00 50A VP 3.322 1.000 3.322
7 1.00 65AVP 5.045 1.000 5.045
8 1.00 80A VP 7.302 1.000 7.302
9 1.00 100A VP 12.139 1.000 12.139
10 1.00 125A VP 17.864 1.000 17.864
11 1.00 150A VP 25.601 1.000 25.601
12 1.00 200A VP 42.154 1.000 42.154
13 1.00 250A VP 62.344 1.000 62.344
14 1.00 300A VP 86.735 1.000 86.735
15 1.00 300A VP 86.735 1.000 86.735
16 1.00 15A VP 0.460 1.000 0.460
17 1.00 20A VP 0.677 1.000 0.677
18 1.00 150A VP 25.601 1.000 25.601
Total Weight : 380.31
Grand Total Weight : 3750.14
1000.00 kg
Number of Beams (longest side), n 1.00Individual Beam Point Load, W = Load/n (kg) 1000.00 kg
Beam Length (longest side), l (1 m = 100 cm) 200.00 cm
Select Material SS4001200.00
Bending Moment, M = W x l / 4 M = 50000.00 kg.cm
Z = 41.67Select material shape RHS90x90x6t
Modulus of Section, Z (from data table) 51.10Dead Load, weight/unit length, w kg/cm (from data table) w = 0.16 kg/cm
4.00 kg/cm
0.25 kg/cm
4.41 kg/cm
M = 72035.00 kg.cm
1409.69 <
Select Material SS4002100000.00
0.35 <
Beam, Simply Supported at Both Endswith Point Load & Uniformly Distributed LoadTotal Point Load, Load kg (1 ton = 1000kg = 1 m3 water)
Allowable Stress, Da kg/cm2
Generated Modulus of Section, Z > M / Da cm3
cm3
Design Live Load, weight/unit length, LD (kg/cm) LD= Safety factor, weight/unit length, LL (kg/cm ) LL=
Total Loading weight/unit length, w (kg/cm) w = Bending Moment, M = W x l / 4 + w x l2 / 8Shear stress, a > M / Z a =
Modulus of Elasticity, E (from data table)Deflection, d = Wl3 / 48 EI < l / 200 (Point Load) or = 5wl4 / 384 EI d = Note: EI Flexural Rigidity
1200.00
1.00 cm
kg/cm2
2000 kg
Number of Beams (longest side), n 2.00Individual Beam Point Load, W = Load/n (kg) 1000.00 kg
Beam Length (longest side), l (1 m = 100 cm) 200 cm
Select Material SS4001200
Bending Moment, M = W x l / 8 M = 50000 kg.cm
Z = 41.67 cm3
Select material shape L40x40x3tModulus of Section, Z (from data table) Z = 1.21
Dead Load, weight/unit length, w kg/cm (from data table) w = 0.018 kg/cm
5.000 kg/cm
1.000 kg/cm
6.018 kg/cm
M = 60031 kg.cm
49611.98 <
Select Material SS4002.10E+0611.24151 <
Beam, Fixed At Both Endswith Point Load & Uniformly Distributed LoadPoint Load, W (1 ton = 1000kg = 1 m3 water)
Allowable Stress, Da kg/cm2
Generated Modulus of Section, Z > M / a
cm3
Design Live Load, weight/unit length, LD (kg/cm) LD =
Safety factor, weight/unit length, LL (kg/cm ) LL =Total Loading weight/unit length, w (kg/cm) w =Bending Moment, M = W x l / 8 + w x l2 / 24Shear stress, a > M / Z a =
Modulus of Elasticity, EDeflection, d = Wl3 / 192 EI < l / 200 (Point Load) or = wl4 / 384 EI d =Note: EI Flexural Rigidity
1200
1.00 cm
kg/cm2
1000 kg
Span Length (longest side), l (1 m = 100 cm) 160 cm
Select Material SS4001200
Bending Moment, M = W x l M = 160000 kg.cm
Z = 133.33 cm3
Select material shape C150x75x6tModulus of Section, Z (from data table) Z = 115.00
Dead Load, weight/unit length, w kg/cm (from data table) w = 0.186 kg/cm
6.250 kg/cm
0.000 kg/cm
6.436 kg/cm
M = 242381 kg.cm
2107.66 <
Select Material SS4002.10E+0645.30723 <
Cantileverwith Point Load & Uniformly Distributed LoadPoint Loading, W (1 ton = 1000kg = 1 m3 water)
Allowable Stress, Da kg/cm2
Generated Modulus of Section, Z > M / a
cm3
Design Live Load, weight/unit length, LD (kg/cm) LD = Safety factor, weight/unit length, LL (kg/cm ) LL =
Total Loading weight/unit length, w (kg/cm) w =Bending Moment, M = W x l + w x l2 / 2Shear stress, a > M / Z a =
Modulus of Elasticity, E (from data table)Deflection, d = Wl2 / 2 EI < l / 200 (Point Load) or = Wl4 / 8 EI < l / 200 d =Note: EI Flexural Rigidity
1200
0.80 cm
kg/cm2
Pure Torsion in Circular Shaft
Designed Torque, TSelect Material
From Data Table, r, radius of selected pipe =From Data Table, OD, of selected pipe =From Data Table, ID, of selected pipe =From Data Table, t, thickness of selected pipe =
Thin-Walled Limiting Torque, t =T / ( 2 x p x r2 x t ) Solid Limiting Torque, t =16 x T / ( p x OD3 ) Thin-Walled Limiting Torque, t =16 x ODx T / ( p x ( OD4 - ID4 ))
100000 kg.cm
150A SGP SCH808.26 cm
16.52 cm
14.32 cm
1.1 cm
212.06 < 400 112.96 < 400 259.44 < 400
kg/cm2
kg/cm2
kg/cm2
Section
L20x20x3t 3 0.39 0.28 0.89 65A SGP SCH10L25x25x3t 3 0.80 0.45 1.12 65A SGP SCH40L25x25x5t 5 1.18 0.69 1.76 65A SGP SCH80L30x30x3t 3 1.42 0.66 1.36 80A SGP SCH10L30x30x5t 5 2.14 1.03 2.16 80A SGP SCH40L35x35x3t 3 2.32 0.92 1.60 80A SGP SCH80L35x35x5t 5 3.53 1.44 2.56 100A SGP SCH10L40x40x3t 3 3.53 1.21 1.83 100A SGP SCH40L40x40x5t 5 5.42 1.91 2.95 100A SGP SCH80L50x50x4t 4 9.06 2.49 3.06 125A SGP SCH10L50x50x6t 6 12.60 3.55 4.43 125A SGP SCH40L65x65x6t 6 29.40 6.26 5.91 125A SGP SCH80L65x65x8t 8 36.80 7.96 7.66 150A SGP SCH10L75x75x6t 6 46.10 8.47 6.85 150A SGP SCH40L75x75x9t 9 64.40 12.10 9.96 150A SGP SCH80L75x75x12t 12 81.90 15.70 13.00 200A SGP SCH10L90x90x7t 7 93.00 14.20 9.59 200A SGP SCH40L90x90x10t 10 125.00 19.50 13.30 200A SGP SCH80L90x90x13t 13 156.00 24.80 17.00 250A SGP SCH10L100x100x7t 7 129.00 17.70 10.70 250A SGP SCH40L100x100x10t 10 175.00 24.40 14.90 250A SGP SCH80C75x40x5t 5 75.30 20.10 6.92C100x50x5t 5 188.00 37.60 9.36 15A VPC125x65x6t 6 424.00 67.80 13.40 20A VPC150x75x6t 6.5 861.00 115.00 18.60 25A VPC150x75x9t 9 1050.00 140.00 24.00 32A VPC180x75x7t 7 1380.00 153.00 21.40 40A VPC200x80x7.5t 7.5 1950.00 195.00 24.60 50A VPC200x90x8t 8 2490.00 249.00 30.30 65AVPC250x90x9t 9 4180.00 334.00 34.60 80A VPC250x90x11t 11 4680.00 374.00 40.20 100A VPC300x90x9t 9 6440.00 429.00 38.10 125A VPC300x90x10t 10 7410.00 494.00 43.80 150A VPH100x50x5t 5 187.00 37.50 9.30 200A VPH100x100x6t 6 383.00 76.50 17.20 250A VPH150x150x7t 7 1640.00 219.00 31.50 300A VPH200x150x30.6kg 7 2690.00 277.00 30.60 300A VPH200x200x8t 8 4720.00 472.00 49.90 350A VPH250x250x9t 9 10800.00 867.00 71.80H300x300x10t 10 20186.00 1346.00 93.00
tmm
Icm4
Zcm3
wkg/m
PipeJIS B2305
H300x300x12t 12 16640.00 1132.00 83.50H350x175x7t 7 13500.00 771.00 49.40H350x250x9t 9 21228.00 1249.00 78.10H400x200x8t 8 23457.00 1179.00 65.40H500x300x11t 11 58274.00 2418.00 111.00H500x300x11t 11 68859.00 2822.00 125.00RHS12x12x1.2t 1.2 0.10202 0.17004 3.40RHS16x16x1.2t 1.2 0.26105 0.32631 3.54RHS19x19x1.2t 1.2 0.45323 0.47708 4.31RHS25x25x2.3t 2.3 1.81197 1.44957 5.80RHS32x32x2.3t 2.3 4.04113 2.52571 5.23RHS38x38x2.3t 2.3 7.00552 3.68711 7.07RHS38x38x3.2t 3.2 9.06678 4.77199 7.07RHS50x50x2.3t 2.3 16.68016 6.67206 3.40RHS50x50x3.2t 3.2 21.96959 8.78784 3.54RHS65x65x2.3t 2.3 37.84628 11.64501 4.31RHS65x65x3.2t 3.2 50.48786 15.53473 5.80RHS90x90x3.6t 3.6 152.00000 33.80000 9.72RHS90x90x5t 5 200.00000 44.40000 13.30RHS90x90x6t 6 230.00000 51.10000 15.70RHS90x90x6.3t 6.3 238.00000 53.00000 16.40RHS90x90x8t 8 281.00000 62.60000 20.40RHS90x90x10t 10 322.00000 71.60000 24.30RHS100x50x2.3t 2.3 88.17850 17.63570 10.40RHS100x50x3.2t 3.2 118.72394 23.74479 7.07RHS100x100x3.2t 3.2 193.71317 38.74263 9.60RHS150x75x3.2t 3.2 416.57290 55.54305 10.90
OD ID t Material
76.30 67.90 4.20 5.26 SS400 2.10E+0676.30 65.90 5.20 8.62 SUS30476.30 62.30 7.00 11.40 SUS31689.10 80.70 4.20 6.45 RC89.10 78.10 5.50 11.30 FRP 7.00E+0489.10 73.90 7.60 15.30 PVC 2.50E+04114.30 105.30 4.50 8.36 TIMBER 1.05E+05114.30 102.00 6.15 16.10114.30 97.10 8.60 22.30 SS400 200 139.80 130.80 4.50 11.58 Copper 120 139.80 126.60 6.60 21.80139.80 120.80 9.50 30.90165.20 155.20 5.00 13.84165.20 151.00 7.10 28.20165.20 143.20 11.00 42.50216.30 204.70 5.80 19.97216.30 199.90 8.20 42.50216.30 190.90 12.70 64.60267.40 254.20 6.60 27.86267.40 250.80 8.30 60.20267.40 237.20 15.10 95.80
21.70 0.4627.20 0.6834.00 1.0542.7048.60 2.1560.50 3.3276.30 5.0589.10 7.30114.30 12.14139.80 17.86165.20 25.60216.30 42.15267.40 62.34318.50 86.74318.50 86.74355.60
wkg/m
Young's Modulus of Elasticity
unit ref pg435 Pressure Vessel Handbook by Eugene F. Megyesyheight/cm width/cm t/cm
b d t h k y A1.20 1.20 0.12 0.96 0.96 0.60 0.521.60 1.60 0.12 1.36 1.36 0.80 0.711.90 1.90 0.12 1.66 1.66 0.95 0.852.50 2.50 0.23 2.04 2.04 1.25 2.093.20 3.20 0.23 2.74 2.74 1.60 2.733.80 3.80 0.23 3.34 3.34 1.90 3.283.80 3.80 0.32 3.16 3.16 1.90 4.455.00 5.00 0.23 4.54 4.54 2.50 4.395.00 5.00 0.32 4.36 4.36 2.50 5.996.50 6.50 0.23 6.04 6.04 3.25 5.776.50 6.50 0.32 5.86 5.86 3.25 7.91
10.00 5.00 0.23 9.54 4.54 5.00 6.6910.00 5.00 0.32 9.36 4.36 5.00 9.1910.00 10.00 0.32 9.36 9.36 5.00 12.3915.00 7.50 0.32 14.36 6.86 7.50 13.99
Material Design Limits kg/m3
SS400 1200 1.0t-Plate 1.00SUS304 1.6t Plate 1.60SUS316 2.3t Plate 2.30RC 2000~2400 3.0t Plate 3.00FRP 3.2t Plate 3.2tPVC 4.5t Plate 4.50
70 6.0t Plate 6.00
30E+0618E+06
kg/cm2 kg/cm2 tmm
kN/mm2 lb/in2
kN/mm2 lb/in2
7.8512.5618.0623.5525.1235.3247.10
Wkg/m2
PRESSURE CONVERSION
one unit of bar psi kg/cm² g/cm² N/m² KPa MPa
bar 1 14.504 1.0197762 1019.756732 100000 100 0.1
psi 0.068946497518 1 0.07031 70.30865499173 6894.649751793 6.894649751793 0.006894649752
kg/cm² 0.980607313644 14.22272847709 1 999.9809095368 98060.73136439 98.06073136439 0.098060731364
g/cm² 0.000980626034 0.014223000001 0.001000019091 1 98.06260342491 0.098062603425 9.80626034E-05
N/m²(Pa) 0.00001 0.00014504 0.000010197762 0.01019756732 1 0.001 0.000001
KPa 0.01 0.14504 0.010197762 10.19756732 1000 1 0.001
MPa 10 145.04 10.197762 10197.56732 1000000 1000 1
1 kg/cm² = 10mAq 1mmAq = 0.0001 kg/cm²10000mmAq
Length1 in.= 25.4 mm 10 mm = 0.4 in.1/8 in. = 3.2 mm1/16 in. = 1.6 mm1 ft = 305 mm 0.3 m
1 sq.in. = 645 mm2
1 lb = 0.454 kg 1 kg = 2.2 lb1 ton (= 1.016 tonnes)
1 mil = 1/1000 inch = 1 THOU
1 micron = 1/1,000,000 m = 0.000001 = 1 micrometer
Recommended