Material properties of stiffenings: A36 250 36259 200 29007 1.6 0.0630
MPa psi GPa kpsi mm in
843 kg/m³ 0.843
Material: Stress value: Elasticity Modulus:
Cover plate thickness:
A36 250 36259 200 29007
mm 4.7625
MPa psi GPa kpsi
in 3/16
RECTANGULAR TANK DESIGN CALCULATION REPORT
rev. 0 8/5/2010
BOTTOM PLATE AND I BEAM DESIGN N° of bottom plate beams
Actual bottom plate thickness:
4 mm 9.5250
in 3/8
Distance between beams: Minimum bottom plate thickness: Safety factor
mm 966.00 8.59
in 38.0315 0.3383 1.86
ACTUAL PLATE THICKNESS>REQUIRED PLATE THICKNESS BOTTOM PLATE THICKNESS SATISFACTORY Material properties of I Beams: Material:
I beams minimum required moment of inertia: 1499.59 cm^4 A36 Actual moment of inertia:
Stress value: Elasticity Modulus:
250 36259 200 29007
Maximum deflection (1st attempt): *sugestion 2.75 mm Liquid weight: Bottom plate weight: Cover plate weight: Total force/beam: Uniform load on each beam:
MPa psi GPa kpsi
I BEAM TYPE: Actual height of beam: Width of beam: 2.75 mm
11802 617 308 30458 11
kg kg kg N N/mm
Maximum deflection Maximum stress Safety factor
1686 cm^4 W 200 x 19,3 203 mm 102 mm 2.45 mm 63.030 MPa 3.97
MAXIMUM STRESS
RECTANGULAR TANK DESIGN CALCULATION REPORT
rev. 0 8/5/2010
TOP EDGE STIFFENING DESIGN
Ratio H/L
Minimum plate thickness: Actual plates thickness:
From table x-x Constant beta: 0.13798
0.83 mm 11.71 12.7000
in 0.4612 1/2
Constant alfa
Maximum deflection of plate Safety factor
0.01514
2.43 1.58
ACTUAL PLATE THICKNESS>REQUIRED PLATE THICKNESS SIDE PLATE THICKNESS SATISFACTORY Stiffening Frame: Load per unit of lenght: Reaction R1: Reaction R2:
ACTUAL STIFFENING Ixx>REQUIRED STIFFENING Ixx TOP EDGE STIFFENING SATISFACTORY
4 '' x 12,19 101.6 mm 7.94 mm
RECTANGULAR TANK DESIGN CALCULATION REPORT
rev. 0 8/5/2010
VERTICAL STIFFENING DESIGN
Ratio H/l
From table x-x Constant beta 0.38000
2.50
N° of vertical stiffenings:
Actual plates thickness:
Constant alfa
2 mm 7.9375
Distance between stiffenings: Required plate thickness: Safety factor:
in 5/16
0.07000 mm in 1000.00 39.3701 7.20 0.2833 2.01
ACTUAL PLATE THICKNESS>REQUIRED PLATE THICKNESS SIDE PLATE THICKNESS SATISFACTORY Stiffening Frame properties: Load per unit of lenght: Reaction R1: Reaction R2: Vertical stiffening: Required section modulus: Actual section modulus:
lb/in 146.998 44.100 102.899 cm³ 33 33.4
Top-edge stiffening: Minimum required moment of inertia: Actual moment of inertia:
kg/mm 2.63 0.79 1.84
Vertical stiffening: ANGLE TYPE: 5 '' x 15,31 Height/Width of beam: 127 mm Beam thickness: 7.94 mm ACTUAL STIFFENING Zxx>REQUIRED STIFFENING Zxx VERTICAL STIFFENING SATISFACTORY
in³ 2.0171 2.0382 cm^4 205 208
in^4 4.9309 4.9972
Top-edge stiffening: ANGLE TYPE: 4 '' x 16,8 Height/Width of beam: 101.6 mm Beam thickness: 11.11 mm ACTUAL STIFFENING Ixx>REQUIRED STIFFENING Ixx TOP EDGE STIFFENING SATISFACTORY
Required plate thickness: Actual plates thickness:
mm 8.41 9.525
in 0.3310 3/8
1.96 ACTUAL PLATE THICKNESS>REQUIRED PLATE THICKNESS SIDE PLATE THICKNESS SATISFACTORY
Stiffening Frame Properties: Load per unit of lenght: Reaction R1: Reaction R2: Reaction R3:
lb/in 147.00 8.820 44.100 94.079
kg/mm 2.63 0.16 0.79 1.68
Top-edge stiffening: ANGLE TYPE: 2 1/2'' x 7,44 Height/Width of beam: 63.5 mm Beam thickness: 7.94 mm ACTUAL STIFFENING Ixx>REQUIRED STIFFENING Ixx TOP EDGE STIFFENING SATISFACTORY
Top-edge stiffening: Minimum required moment of inertia: Actual moment of inertia:
cm^4 34 35
in^4 0.8218 0.8409
Intermediate stiffening: Minimum required moment of inertia: Actual moment of inertia:
cm^4 171 183
in^4 4.1091 4.3966
Intermediate stiffening: ANGLE TYPE: 4 '' x 14,57 Height/Width of beam: 101.6 mm Beam thickness: 9.5 mm ACTUAL STIFFENING Ixx>REQUIRED STIFFENING Ixx INTERMEDIATE STIFFENING SATISFACTORY
RECTANGULAR TANK DESIGN CALCULATION REPORT
rev. 0 8/5/2010
TIE ROD DESIGN Number of tie rod columns: 2 Distance between top line and tie rod first row h1*: Distance between side line and tie rod last column:
Vertical pitch**: Horizontal pitch:
mm 1000 1000
in 39.3701 39.3701
mm 750 1000
1000 mm --->
in 0.2723 5/16
lb 3240.910 1388.961
Tie Rod Row 2 Req. cross sectional area: Tie Rod Row 1 Req. cross sectional area:
in 68.8976 29.5276
Tie Rods Material:
mm 10.17 7.21
A36
in 0.4003 0.2838
Row 2: mm in Actual Rods diameter: 11.1125 7/16 Safety factor 1.68 ACTUAL ROD DIAMETER>REQUIRED ROD DIAMETER ROD DIAMETER SATISFACTORY
Required plate thickness: Actual plate thickness: Safety factor 2.23 ACTUAL PLATE THICKNESS>REQUIRED PLATE THICKNESS SIDE PLATE THICKNESS SATISFACTORY
Load on tie rod on row 2: Load on tie rod on row 1:
750 mm --->
**sugestion mm 1750 750
Distance between top line and tie rod second row h2: Distance between tie rod second row and bottom line: mm 6.92 7.9375
in 29.5276 39.3701
mm² 57.6655 24.7138
Row 1: mm in Actual Rods diameter: 7.9375 5/16 Safety factor 2.00 ACTUAL ROD DIAMETER>REQUIRED ROD DIAMETER ROD DIAMETER SATISFACTORY
RECTANGULAR TANK DESIGN CALCULATION REPORT DESIGN SUMMARY TAG NUMBER: Tank type Tie Rods *Covered Corrosion Allowance: 1.6 mm Dimensions: 2750 x 3000 x 2500 H Material: Plates: A36 Internals: A36 External Stiffeners: I Beams: A36
I Beam type: W 200 x 19,3 (safety factor: 3.97) A36
Thickness of: Bottom plate: Cover plate: Side plates:
Stifenners angle type: Top-edge: Intermediate: Vertical: Nº of vertical stiffeners:
Tie Rods: Row 2 diameter: Row 1 diameter: -
9.525 mm 4.7625 mm 7.9375 mm
(safety factor: 1.86)
11.1125 mm 7.9375 mm
(safety factor: 1.68) (safety factor: 2.00)
(safety factor: 2.23)
rev. 0 8/5/2010
H/L constante beta
H/L constante alfa
0.25 0.024
0.286 0.031
0.333 0.041
0.4 0.056
0.5 0.08
0.667 0.116
1 0.16
1.5 0.26
0.25 0.00027
0.286 0.00046
0.333 0.00083
0.4 0.0016
0.5 0.0035
0.667 0.0083
1 0.022
1.5 0.043
H/L índice 1 índice 2 beta alfa
0.833333 6 7 0.137978 0.015143
H/l índice 1 índice 2 beta alfa
2.5 10 11 0.38 0.07
0.667 1
0.116 0.16
0.0083 0.022
2.5 3
0.38 0.43
0.07 0.078
b h B1 B2 teta
2.2 0.387919 0.587919 0.2 10
Aact Areq L Li B2
0.866711 3.03349 1.857143 6.5 2412.081 mm 2233.939 mm 200 mm