API 650 | DISEÑO DE TANQUES
DE ALMACENAMIENTO
Curso Online: Lección 3
Diseño de la Pared del Tanque
Casos de Estudio Resueltos
Instructor: Javier Tirenti
www.arvengtraining.com
Tank Shell Design Page 1 of 1
API 650 12th Edition
Eqpt: TK-01 One Foot Method
1 Design Conditions
2 85 T [ºC] - Design Temperature
3 0,000 Pi [KPa] - Internal pressure
3 0,25 Pe [KPa] - External pressure
4 0,805 G [-] - Specific gravity
5 18,600 HLL [m] - Maximum Liquid level
6 1,5 CA [mm] - Corrosion Allowance
7 Dimensions:
8 42,670 D [m] - inside diameter
9 42,708 Do [m] - outside diameter
10 19,510 H [m] - total tank height
11 2,500 Sh [m] - shell course height
12 8 n [dless] - number of shell courses
13 Material and Conditions:
14 A131 Gr.EH 36 Material
15 360 Sy [MPa] - yield strength
16 196 Sd [MPa] - allowable stress x design
17 210 St [MPa] - allowable stress x test
18 Required Thickness: section 5.6.3.2
19 td1 [mm] = [4,9*D*(HLL-0,3)*G / Sd] + CA ~~ shell thk x design = 17,21
20 tt1 [mm] = [4,9*D*(HLL-0,3) / St] ~~ shell thk x test = 18,22
21 mt [mm] = Minimum thickness ~~ section 5.6.1.1 = 8
22 ut [mm] = Mill under tolerance ~~ section 2.2.1.2.3 = 0,25
23 Tmax1 [mm] = Max(td1,tt1,mt)~~ required minimum thickness Max(17,21;18,22;8) = 18,22
Sh HLL td tt mt Tmax nom thk ut
24 Shell Course Check
[m] [m] [mm] [mm] [mm] [mm] [mm] [mm]
25 1 2,50 18,60 17,21 18,22 8,00 18,22 19 0,25 Ok
26 2 2,50 16,10 15,07 15,73 8,00 15,73 16 0,25 Ok
27 3 2,50 13,60 12,92 13,24 8,00 13,24 14 0,25 Ok
28 4 2,50 11,10 10,77 10,75 8,00 10,77 12 0,25 Ok
29 5 2,50 8,60 8,63 8,26 8,00 8,63 9 0,25 Ok
30 6 2,50 6,10 6,48 5,77 8,00 8,00 8 0,25 Ok
31 7 2,50 3,60 4,33 3,29 8,00 8,00 8 0,25 Ok
32 8 2,01 1,10 2,19 0,80 8,00 8,00 8 0,25 Ok
33 9 0,00 0,00 0,00 0,00 0,00 0,00 0 0,00 Ok
34 10 0,00 0,00 0,00 0,00 0,00 0,00 0 0,00 Ok
35 11 0,00 0,00 0,00 0,00 0,00 0,00 0 0,00 Ok
36 12 0,00 0,00 0,00 0,00 0,00 0,00 0 0,00 Ok
Tmax provides a worst case required thickness for shell analysis
This sheet will not calculate thick walled tanks
This sheet cannot be used to check for allowable exterior pressure loads.
This sheet is for educational use only - use at your own risk.
Tank Shell Design Page 1 of 1
API 650 12th Edition
Eqpt: TK-02 One Foot Method
1 Design Conditions
2 105 T [ºC] - Design Temperature Annex M
3 0,000 Pi [KPa] - Internal pressure
3 0,25 Pe [KPa] - External pressure
4 0,936 G [dless] - Specific gravity
5 16,160 HLL [m] - Maximum Liquid level
6 3,0 CA [mm] - Corrosion Allowance
7 Dimensions:
8 57,950 D [m] - inside diameter
9 58,002 Do [m] - outside diameter
10 17,070 H [m] - total tank height
11 2,000 Sh [m] - shell course height
12 9 n [dless] - number of shell courses
13 Material and Conditions:
14 S355 Material
15 345 Sy [MPa] - yield strength
16 186,3 Sd [MPa] - allowable stress x design Annex M
17 201 St [MPa] - allowable stress x test
18 Required Thickness: section 5.6.3.2
19 td1 [mm] = [4,9*D*(HLL-0,3)*G / Sd] + CA ~~ shell thk x design = 25,63
20 tt1 [mm] = [4,9*D*(HLL-0,3) / St] ~~ shell thk x test = 22,41
21 mt [mm] = Minimum thickness ~~ section 5.6.1.1 = 8
22 ut [mm] = Mill under tolerance ~~ section 2.2.1.2.3 = 0,25
23 Tmax1 [mm] = Max(td1,tt1,mt)~~ required minimum thickness Max(25,63;22,41;8) = 25,63
Sh HLL td tt mt Tmax nom thk ut
24 Shell Course Check
[m] [m] [mm] [mm] [mm] [mm] [mm] [mm]
25 1 2,00 16,16 25,63 22,41 8,00 25,63 26 0,25 Ok
26 2 2,00 14,16 22,77 19,58 8,00 22,77 24 0,25 Ok
27 3 2,00 12,16 19,92 16,75 8,00 19,92 21 0,25 Ok
28 4 2,00 10,16 17,07 13,93 8,00 17,07 18 0,25 Ok
29 5 2,00 8,16 14,21 11,10 8,00 14,21 15 0,25 Ok
30 6 2,00 6,16 11,36 8,28 8,00 11,36 12 0,25 Ok
31 7 2,00 4,16 8,51 5,45 8,00 8,51 9 0,25 Ok
32 8 2,00 2,16 5,65 2,63 8,00 8,00 8 0,25 Ok
33 9 1,07 0,16 2,80 -0,20 8,00 8,00 8 0,25 Ok
34 10 0,00 0,00 0,00 0,00 0,00 0,00 0 0,00 Ok
35 11 0,00 0,00 0,00 0,00 0,00 0,00 0 0,00 Ok
36 12 0,00 0,00 0,00 0,00 0,00 0,00 0 0,00 Ok
Tmax provides a worst case required thickness for shell analysis
This sheet will not calculate thick walled tanks
This sheet cannot be used to check for allowable exterior pressure loads.
This sheet is for educational use only - use at your own risk.
