Rectangular Tank Analysis

Preliminary (Rough) Analysis of Rectangular Tanks Etching Tanks L 3200 W 1380 H 2100 Tensile S 500 E 210000 S 142.8571 H/L ratio 0.65625 alpha(H/L) 0.0083 beta(H/L) 0.116 G 1.4

mm 125.9843 in. mm 54.33071 in. mm 82.67717 in. N/(mm)^2 Tensile Strength N/(mm)^2 Young's Modulus N/(mm)^2 Allowable Stress

72538.86 psi 30466321 psi 20725.39 psi

Specific Gravity of Liquid (assume to be same as 35% acid)

Longer Side Analysis (L) l_sp1 800 mm 31.49606 in.

(spacing btwn vertical stiffeners for longer side)

Required Thickness of Plate t ta

0.152104 3.863454 5 127

in. mm mm in.

Loads lb/in. w R1 R2

172.2549 lb/in. 51.67648 lb/in. 120.5785 lb/in.

Stiffening Frame Zmin I_min

2.778919 in.^3 0.017524 in.^4

Shorter Side Analysis (W) H/W 1.521739 alpha(H/W) 0.043 beta(H/W) 0.26

l_sp2

345 mm 13.58268 in.

(spacing btwn vertical stiffeners for shorter side)

Required Thickness of Plate t ta

0.098204 2.494379 5 127

in. mm mm in.

Easier to fabricate entire Tank with same thickness of 5mm

Loads lb/in. w R1 R2

172.2549 lb/in. 51.67648 lb/in. 120.5785 lb/in.

Stiffening Frame Zmin I_min

1.198409 in.^3 0.017524 in.^4