Rectangular Tank Satu Lagi

PT. TECHNO ORBIT PARTICLE FILTRATION

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Side Wall, Rectangular Tank with Vertical and Horizontal Stiffeners Roark's Formulas for Stress and Strain, ASME Section VIII Div 1. Part No. Drawing No. Part name

Later   Later   Side Wall

Design Data : Liquid = Internal Design Temperature Pd = Internal Design Pressure CA = Corrosion Allowance LIQUID = The Name of Liquid in Tank G = Specific Gravity of Liquid Mat'l = Material Specification S max = Stress value for material at Design Temperature E = Modulus of Elasticity H = Height of Tank W = Width of Tank L = Length of Tank Sv = Spacing of Vertical Stiffener Sh = Spacing of Horizontal Stiffener tNom = Nominal Wall Thickness Maximum Pressure Against The Side Wall : q = 0.433*H*G/12+Pd Constant α, β and γ, Roark's Formulas Stress and Strain, Table 14.1, 1d : a = Sh b = Sv a/b = Ratio for Getting α and β β = See Note 1. α = See Note 1.

95 °F ATM psig 0.06 in Water 1 A 36 16534 ps p si 29220262 psi 196.85 in 177.17 in 177.17 in 17.717 in 19.685 in 0.315 in

7.103 psi

19.69 in 17.72 in 1.111 0.1822 0.0267

35 °C ATM MPa 1.5 mm Water   1 A 36 114 MP M Pa 201467 MPa 5000 mm 4500 mm 4500 mm 450 mm 500 mm 8 mm

0.049 MPa

500 mm 450 mm 1.111 0.1822 0.0267

Thickness Calculation : tr = √((β*q*b )/(S max)) tm = Design Minimum Thickness = tr + CA tMin = tNom-0.01 tNom = Nominal wall thickness Since tm ≤ tMin, so using specified plate thickness above is

0.157 in 0.216 in 0.305 in 0.315 in ACCEPTED

Maximum Bending Stress Calculation : σ = (β*q*b )/(tMin-CA) S max = Stress value for material at Design Temperature Since σ ≤ S max, so using specified plate thickness above is

6718.39 ps psi 16534 ps p si ACCEPTED

46.322 MP M Pa 114 MP M Pa

Maximum Plate Deflection Calculation : Y = α*q*b 4/(E*(tMin-CA)³) Y allow = Ma M aximum Allowable Deflection = (tMin-CA)/2 Since Y ≤ (tMin-CA)/2, so using specified plate thickness above is

0.043 in 0.123 in in ACCEPTED

1.091 mm 3.12 mm mm

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²

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3.981 5.481 7.746 8

mm mm mm mm