API Std 650 10th Ed. Add.3
E.5.1
Seismic design of tanks: Shell compression: unanchored tanks
1
Specific gravity of liquid in tank:
MATERIAL |
2
Corrosion allowance: total:
3
Minimum yield strength:
4
Density of shell material:
COEFFICIENTS AND MASSES |
5
Zone and essential facility coefficients:
7
Site coefficient: see Info:
8
Period of the first sloshing mode:
9
Lateral force coefficient:
10
Shell and roof masses:
11
Liquid effective mass:
12
Center of gravity heights:
RESULTS |
14
Overturning moment: at shell bottom:
15
Liquid mass: used to resist overturning:
16
Tank roof mass: portion supported by shell:
17
Tank total mass supported by shell:
19
Compressive stress: at shell bottom:
20
Maximum allowable compressive stress:
21
Result of calculation: