DOC. TITLE : SAND FILTER TANK CALCULATION SHEET FEA SIMULATION
PROJECT NO. : -
LOCATION : Lhokseumawe
REGION : Indonesia
0
REV REVISION DATE PREPARED CHECKED APPROVED
DOCUMENT NUMBER
CALC-EP-IV-CS.002 PAGE : 01
30 Apr 25 SM DS IR
CALCULATION SHEET
118252
Date : 30 04 2025
CALC-EP-IV-CS.002 Rev. : 0
CONTENT 1. Design Data 2. Dimensions 3. Weight Data 4. Loading Data
5. Mechanical Properties 6. FEA Simulation
7. Result for Tank Simulation 8. Resume
RECTANGULAR TANK Job No. :
SAND FILTER TANK CALCULATION SHEET FEA SIMULATION
PT ENVITECH PERKASA User :
Doc. No. :
Design Pressure (bar)
Operating Pressure
(bar)
Operating Temperature
(°C)
ATM ATM AMB
Shell Bottom
Main Second
Outer Inner
Design Temperature
(°C) 60
mm mm
Tank Stiffener Material SS400
Total Tank Weight (8 compartment) 57062 kg
(ref. to dwg No. PE23-4811-DW-M3100_GA SAND FILTER_R.1) Tank
mm
Height 4500 mm
Tank Base Frame Material SS400
SAND FILTER TANK CALCULATION SHEET FEA SIMULATION
Nominal Thickness
10 8 3500 2. Dimensions
ASTM A36
Internal
Length (inside) mm
Pressure & Temperature
Width (inside) 2100
Tank Type Rectangular Tank
1. Design Data
Tank Material
Stiffener
Sand Filter Support (Frame Strainer Support)
Span Vertical 800 mm
Span Horizontal 500 mm
FB100x9
Vertical Stiffener FB100x9 mm
UNP100x50x5 mm mm
UNP100x50x5 mm Horizontal Stiffener
Base Frame
UNP100x50x5 mm
Frame Span 950x800 mm
Strainer Plate 10 mm
3. Weight Data
New Tank 43500 kg
Sand Filter (1 compartment) 1695 kg
Mpa Hydrostatic Pressure depth 4500 mm
Weight of Wet Sand (SG 1.922),
as axial load 13562 kg (for each compartment)
Mpa
6. FEA Simulation
400 250 0.0450 Mpa 4. Loading Data
Yield Strength Tensile Strength 5. Mechanical Properties
3D Model
Hs-1 : UNP100x50x5
Vs : FB100x9
Shell 8 mm
Bottom 10 mm
8-Compartment
Bottom 10
Sand Support Plate 10 mm Support : UNP100x50x5
Applied Load due to sand filter weight Axial load 13562 kg (weight of wet sand) distributed to top of sand filter plate support for each compartment.
Applied Pressure for Tank Simulation Hydrostatic pressure at shell -4500 mm = 0.045 Mpa, SG-water = 1, applied to all side of shell internal tank.
Fixed Geometry for Tank Simulation on bottom of tank baseplate
Tank Meshing
112.7 < 250.00 Mpa SAFE
1.54 < 9.72 mm (L/360) SAFE
112.7 < 250.00 Mpa SAFE
1.54 < 9.72 mm (L/360) SAFE Deflection (calc < L/360)
Von Mises Stress (calc < Ys) 7. Result for Tank Simulation
Deflection (calc < L/360) - Tank 8. Resume
Von Mises Stress (calc < Ys) - Tank
