One Foot Method Tank Shell Design

March 10, 2018 | Author: Mohan Varkey | Category: Unrest, Nature
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Short Description

storage tank design...

Description

Design check of TK-150 1 2 3 4

Diameter of tank (D) Design Height of tank (H) Actual height of tank Design temperature Width of course

Reduction factor per Appendix M tables M 1(a) Allowable stress as per table 5.2a) Reduced Design stress per Appendix M Specific gravity of product (G) Corrossion allowance (CA) Joint efficiency Thickness of shell course no 1 for operating 10 conditions 5 6 7 8 9

Height (H-0.3) to be considered for 1st course 11 Td =4.9D(H-0.3)G + CA

42.672 11 12.192 38 2.42

Meters Meters Meters Deg C

1 160 Mpa 160 Mpa 0.72 1 mm 1

10.7 11.06782 mm

Sd Design stress for hydrotest conditions (St) from 12 Table 5.2a Thickness of shell course no 1 for hydrotest 13 conditions Tt =4.9D(H-0.3)

171 Mpa

13.08358 mm

St Thichness of Shell course no 1 (Highest of 11 & 14 13) 15 Design height of shell course no 2 Design thickness of shell course no 2 in 16 operating conditions Design thickness of shell course no 2 in 17 hydrotest conditions Thickness of shell course no 2 (Highest of 16 & 18 17) 19 Design height of shell course no 3 Design thickness of shell course no 3 for 20 operating conditions Design thickness of shell course no 3 in 21 hydrotest conditions Thickness of shell course no 3 (Highest of 20 & 22 21) 23 Design height of shell course no 4 Design thickness of shell course no 4 in 24 operating conditions Design thickness of shell course no 4 in 25 hydrotest conditions

13.08358 mm 8.58 Meters 8.790798 mm 10.12449 mm 10.12449 mm 6.16 Meters 6.513777 mm 7.165402 mm 7.165402 mm 3.74 Meters 4.236757 mm 4.206311 mm

Thickness of shell course no 4 (Highest of 24, 26 25 & 8mm) Design height of shell course no 5 Design thickness of shell course no 5 in operating conditions Design thickness of shell course no 5 in hydrotest conditions Thickness of shell course no 5 (Highest of 24, 25 & 8mm) Design height of shell course no 6 Design thickness of shell course no 6 in operating conditions Design thickness of shell course no 6 in hydrotest conditions Thickness of shell course no 6 (Highest of 24, 25 & 8mm) Design height of shell course no 7 Design thickness of shell course no 6 in operating conditions Design thickness of shell course no 5 in hydrotest conditions Thickness of shell course no 5 (Highest of 24, 25 & 8mm) Design height of shell course no 8 Design thickness of shell course no 8 in operating conditions Design thickness of shell course no 8 in hydrotest conditions Thickness of shell course no 8 (Highest of 24, 25 & 8mm) Design height of shell course no 9 Design thickness of shell course no 9 in operating conditions Design thickness of shell course no 9 in hydrotest conditions Thickness of shell course no 9 (Highest of 24, 25 & 8mm) Design height of shell course no 10 Design thickness of shell course no 10 in operating conditions Design thickness of shell course no 10 in hydrotest conditions Thickness of shell course no 10 (Highest of 24, 25 & 8mm) Design height of shell course no 11 Design thickness of shell course no 11 in operating conditions Design thickness of shell course no 11 in hydrotest conditions

4.236757 mm 1.32 1.959736 mm 1.24722 mm 1.959736 mm -1.1 -0.31728 mm -1.71187 mm -0.31728 mm -3.52 -2.59431 mm -4.67096 mm -2.59431 mm -5.94 -4.87133 mm -7.63005 mm -4.87133 mm -8.36 -7.14835 mm -10.5891 mm -7.14835 mm -10.78 -9.42537 mm -13.5482 mm -9.42537 mm -13.2 -11.7024 mm -16.5073 mm

Thickness of shell course no 11 (Highest of 24, 25 & 8mm)

-11.7024 mm

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