CONTENTS
SR. NO.
DESCRIPTION
1
DESIGN DATA
2
CALCULATIONS FOR MINIMUM SHELL THICKNESS
3
BOTTOM PLATE DESIGN
4
INTERMEDIATE W IND GIRDER
5
VERIFICATION OF UNSTIFFENED SHELL
6
DESIGN OF ROOF PLATE 6.1
COMPRE COMPRESSI SSION ON AREA AREA VERI VERIFIC FICA ATION TION AGAI AGAINST NST EXTERN EXTERNAL AL PRESSU PRESSURE RE
6.2
COMPRE COMPRESSI SSION ON AREA AREA VERIFI VERIFICA CATIO TION N AGAINS AGAINST T INTERN INTERNAL AL PRESSU PRESSURE RE
7
TANK VERIFICATION AS PER APPENDIX F
ROOF THICKNESS AND COMPRESSION AREA VERIFICATION AS PER API 62! .1
DESIGN DATA
.2
ROOF DESIGN
.3
COMPRESSION AREA DE DESIGN
"
STABILIT# OF TANK AGAINST W IND LOADS ".1$RESISTANCE TO SLIDING
1!
STABILIT# OF TANK AGAINST SEISMIC LOADS 1!.1
RESISTANCE TO OVER TURNING
1!.2 1!.2
SHELL SHELL COMPRE COMPRESSI SSION ON FOR UNANC UNANCHOR HORED ED TANKS ANKS
1!.3 1!.3
SHEL SHELL L COMP COMPRE RESS SSIO ION N FOR ANCH ANCHOR ORED ED TAN TANKS KS
11
ANCHORAGE FOR UPLIFT LOAD CASES
12
ANCHOR CHAIR CALCULATION
13
DESIGN OF INTERNAL FLAOTING ROOF %BOU#ANC# CALCULATIONS$
14
FOUNDATION LOADING DATA
15
EVALUATION OF EXTERNAL LOADS ON TANK SHELL OPENINGS AS PER P.3 P.3 OF API 65!& ADD. 4& 2!!5 2!!5
16
VRV AND VENTING CALCULATIONS %P %PENDING$
1) DESIGN DATA
D'()*+ C,-'
API 65!& 1!/0 E-)/),+& ADD. 4& 2!!5& A'+-)'( F& S V
C)'+/( S'(.
PIP VESTA !!2
I/' N,.
TK5"3!1
D'(8)/),+
A'/,+' S/,89*' T9+:
A 24! T;' 3!4L
M9/'8)9 D'+()/; ,< C,+/'+/( S')<) G89>)/; ,< C,+/'+/(
D
=
7"1
G
:*.3
=
!.7"1
F;
=
14
T
=
"!
,
O'89/)+* T''89/@8'
T
=
35
,
D'()*+ I+/'8+9 P8'((@8'
P)
=
4.!!
:P9
=
2!.32
)+. ,< ,+/'+/
D'()*+ E/'8+9 P8'((@8'
P'
=
!."!
:P9
=
4.57
)+. ,< ,+/'+/
H)*0 L)@)- L'>'
H
=
16.75
D'()*+ L)@)- L'>'
HL1
=
17.57
A,9?' D'()*+ S/8'((
S-
=
132
MP9
%A( P'8 T9?' S2$
S/
=
155
MP9
% A( P'8 T9?' S2$
B,//,
=
!.!!
S0'
=
!.!!
R,,<
=
!.!!
S/8@/@8'
=
!.!!
-'*8''
M9/'8)9( #)'- S/8'+*/0
% A/ D'()*+ T'.$
D'()*+ T''89/@8'
% A/ D'()*+ T'.$
A,9?' H;-8,(/9/) S/8'(( 9/ T'(/ T'. T'.
MP9
% A( P'8 T9?' S5$
C C
C,88,(),+ A,9+'
S,' ,< T9+: R,,<
θ
=
".46
O@/()-' D)9. ,< T9+:
D,
=
2!."3!
I+()-' D)9. ,< T9+:
D)
=
2!."!!
N,)+9 T9+: D)9.= D) S0' T0:. =
D
=
2!."15
H')*0/ ,< S0'
H
=
1.!!
W')*0/ ,< T, C,8'((),+ R)+*
W
=
4.72
:N
W')*0/ ,< A'((,8)'( ,+ S0' %S/9)8& I+(.& C)( N,'( '/.$
W(9
=
1!!.!!
:N
%A((@'-$
W ') ')*0 / ,< R, ,< ,< A//90 '+ '+ /( /( %P9/<,8 & I+(.& H9+-89) N,'( '/.$
W89
=
5!.!!
:N
%A((@'-$
V
=
155
:0
M,-@@( ,< E9(/))/; D'()*+ T'.
E
=
1"!!!
MP9
#)'- S/8'+*/0 ,< S/'' S/8@/@8' %L9--'8& 9/<,8& '/.$
F;
=
25!.!!
MP9
L)>' L,9- ,+ R,,<
L8
=
1.2!
:P9
D'()*+ W )+- V',)/;
*Including Static Head Due To Internal Pressure !i"uid Head due to rise o# li"uid in Ri$ Portion %in &unctured condition). ') CA!C(!ATIONS OR IN. SHE!! THIC+NESS
T0' 8'@)8'- (0' 9/'( /0):+'(( (09 ?' *8'9/'8 ,< /0' >9@'( ,@/'- ?; <,,)+* <,8@9(. T0' )+)@ /0):+'(( ,< (0' 9/' 9( '8 A. S& C9@(' S.3.2& (09 ?' ,@/'- @()+* <,,)+* <,8@9. D'()*+ S0' T0):+'((
/- =
4."D %HL !.3$G CA
H;-8,(/9/) T'(/ T'(/ T0):+'((
// =
S-%E$
4."D %HL !.3$ %S/$ E
/- = D'()*+ (0' /0):+'((& // = H;-8,(/9/) /'(/ (0' /0):+'((&
G = S')<) *89>)/; ,< <@)- /, ?' (/,8'-
=
!.7"1
D = N,)+9 -)9. ,< /9+:
=
2!." 2!."15 15
HL1 = D'()*+ )@)- '>'
=
17.5 17.57 7
CA = C,88,(),+ 9,9+'.
=
S- = A,9?' (/8'(( <,8 -'()*+ ,+-)/),+
=
132.! 132.!! ! MP9 MP9
!.!! !.!!
S/ = A,9?' (/8'(( <,8 0;-8,(/9/) ,+-)/),+
=
155.! 155.!! ! MP9 MP9
E = W'- ,)+/ E<<))'+;
=
!.5
%A( P'8 T9?' S6$
%PIP VESTA!!2& 3 .2.D$
1st Shell Course W)-/0 ,< 1(/ ,@8('
W1
D'()*+ 0')*0/ <,8 1(/ (0' ,@8('
HL1
=
17.57
R'@)8'- S0' T0):+'(( %D'()*+ S0' T0:.$
/-
=
12.4"!
R'@)8'- S0' T0):+'(( %H;-8,(/9/) T'(/ T0:.$
//
=
13.447
15.!!!
=
S0' /0):+'(( 8,>)-'- /1 =
2.!!!
nd
2 Shell Course W2
=
2.!!!
D'()*+ 0')*0/ <,8 2 (0' ,@8('
HL2
=
15.57
R'@)8'- S0' T0):+'(( %D'()*+ S0' T0:.$
/-
=
11.!45
R'@)8'- S0' T0):+'(( %H;-8,(/9/) T'(/ T0:.$
//
=
11."1
14.!!!
W)-/0 ,< 2+- ,@8(' +-
S0' /0):+'(( 8,>)-'- /2 =
rd
3 Shell Course W3
=
2.!!!
D'()*+ 0')*0/ <,8 3 (0' ,@8('
HL3
=
13.57
R'@)8'- S0' T0):+'(( %D'()*+ S0' T0:.$
/-
=
".6!!
R'@)8'- S0' T0):+'(( %H;-8,(/9/) T'(/ T0:.$
//
=
1!.336
12.!!!
W)-/0 ,< 38- ,@8(' 8-
S0' /0):+'(( 8,>)-'- /3 = 4th Shell Course W4
W)-/0 ,< 4/0 ,@8('
=
2.!!!
D'()*+ 0')*0/ <,8 4 (0' ,@8('
HL4
=
11.57
R'@)8'- S0' T0):+'(( %D'()*+ S0' T0:.$
/-
=
.155
R'@)8'- S0' T0):+'(( %H;-8,(/9/) T'(/ T0:.$
//
=
.7!
1!.!!!
/0
S0' /0):+'(( 8,>)-'- /4 =
th
5 Shell Course W5
=
2.!!!
D'()*+ 0')*0/ <,8 5 (0' ,@8('
HL5
=
".57
R'@)8'- S0' T0):+'(( %D'()*+ S0' T0:.$
/-
=
6.71!
R'@)8'- S0' T0):+'(( %H;-8,(/9/) T'(/ T0:.$
//
=
7.224
.!!!
W)-/0 ,< 5/0 ,@8(' /0
S0' /0):+'(( 8,>)-'- /5 = 6 th Shell Course W)-/0 ,< 6/0 ,@8('
W6
=
2.!!!
D'()*+ 0')*0/ <,8 6/0 (0' ,@8('
HL6
=
7.57
R'@)8'- S0' T0):+'(( %D'()*+ S0' T0:.$
/-
=
5.265
R'@)8'- S0' T0):+'(( %H;-8,(/9/) T'(/ T0:.$
//
=
5.66
6.!!!
2.!!!
S0' /0):+'(( 8,>)-'- /6 = th
7 Shell Course W7
W)-/0 ,< 7/0 ,@8('
=
D'()*+ 0')*0/ <,8 4 (0' ,@8('
HL7
=
5.57
R'@)8'- S0' T0):+'(( %D'()*+ S0' T0:.$
/-
=
3.2!
R'@)8'- S0' T0):+'(( %H;-8,(/9/) T'(/ T0:.$
//
=
4.113
6.!!!
/0
S0' /0):+'(( 8,>)-'- /7 =
8 th Shell Course W
=
2.!!!
D'()*+ 0')*0/ <,8 (0' ,@8('
HL
=
3.57
R'@)8'- S0' T0):+'(( %D'()*+ S0' T0:.$
/-
=
2.375
R'@)8'- S0' T0):+'(( %H;-8,(/9/) T'(/ T0:.$
//
=
2.557
6.!!!
2.!!!
W)-/0 ,< /0 ,@8(' /0
S0' /0):+'(( 8,>)-'- / = 9th Shell Course W)-/0 ,< "/0 ,@8('
W"
%I+. C,. R)+*$
=
D'()*+ 0')*0/ <,8 "/0 (0' ,@8('
HL"
=
1.57
R'@)8'- S0' T0):+'(( %D'()*+ S0' T0:.$
/-
=
!."3!
R'@)8'- S0' T0):+'(( %H;-8,(/9/) T'(/ T0:.$
//
=
1.!!1
6.!!!
S0' /0):+'(( 8,>)-'- /" = NOTE M)+)@ (0' /0):+'(( 8'@)8''+/ )( <@<)'- <,8 /0' /, ,(/ (0' ,@8('. S,ell Ta-le 1 S0' C,@8(' J S0' W)-/0 %$ U+,88,-'- S0' T0:. %$
1
'
/
0
2
3
4
5
2.!!
2.!!
2.!!
2.!!
2.!!
2.!!
2.!!
2.!!
2.!!
15.!!
14.!!
12.!!
1!.!!
.!!
6.!!
6.!!
6.!!
6.!!
15.!!
14.!!
12.!!
1!.!!
.!!
6.!!
6.!!
6.!!
6.!!
U+,88,-'- S0' W')*0/ %KN$
154.7! 144.3" 123.76 1!3.13
2.51
61.
61.
61.
61.
C,88,-'- S0' W')*0/ %KN$
154.7! 144.3" 123.76 1!3.13
2.51
61.
61.
61.
61.
C,888,-'- S0' T0:.%$
T,/9 S0' W')*0/ %KN$ %U+,88,-'-$
=
56.! KN
T,/9 S0' W')*0/ %KN$ %C,88,-'-$
=
56.! KN
or calculation o# co$&ression area6 &lease re#er to Roo# Design as &er API 2'76 Section 4 o# t,is docu$ent. T,/9 C8,((S'/),+9 A8'9 P8,>)-'-
=
1643! 2
W')*0/ ,< C@8? A+*' % U+,88,-'-$
=
4.72 KN
W')*0/ ,< C@8? A+*' % C,88,-'-$
=
4.72 KN
/) =OTTO P!ATE DESIGN
As &er API 276 A&&endi8 S6 Clause S./.1
A ?,//, 9/'( (09 09>' )+)@ +,)+9 /0):+'(( ,< 5 & '@()>' ,< 9+; ,88,(),+ 9,9+'. R'@)8'- B,//, P9/' T0):+'(( /? = U('- ?,//, 9/' /0):+'((
/?
=
/?
=
5
=
6.!!
5 CA
W')*0/ ,< B,//,P9/' %U+,88,-'-$
=
16672.4 :*
=
163.56 KN
W')*0/ ,< B,//, P9/' %C,88,-'-$
=
16672.4 :*
=
163.56 KN
L, L)@)- L'>'
=
!.6
W')*0/ ,< L)@)- D@' /, M)+. L)@)- L'>'
=
15"7 KN
T,/9 D'()*+ E/'8+9 P8'((@8' F8,' ,+ /0' ?,//, P9/'
=
313 KN
As t,e su$ o# #orce due to total design e8ternal &ressure is less t,an t,e su$ o# t,e 9eig,ts o# t,e -otto$ &late and $in. li"uid le:el in t,e tan;6 $e$-rane stresses need not -e e:aluated %As &er <.5.1 o# API 27).
0) INTEREDIATE @IND GIRDER
%API 27 Sec. /.5.3)
T0' 9)@ 0')*0/ ,< /0' @+(/)<<'+'- (0' (09 ?' 9@9/'- 9( <,,( H1 = ".47 / %/ D$ 32 %1"!V$2 A( ,8-'8'- /0):+'(( ,< /, (0' ,@8(' %$
/
=
N,)+9 /9+: -)9'/'8 %$
D
=
D'()*+ )+- (''-
V
=
M9)@ 0')*0/ ,< /0' @+(/)<<'+'- (0'
H1
=
T0' 8'-@/),+,-)<)9/),+ <9/,8 9@9/'- %A( '8 S.3.6.7$
RF
=
M9)@ 0')*0/ ,< /0' @+(/)<<'+'- (0' %M,-)<)'- $
H1
=
Height of Transformed Shell
6.!! 2!."15 155 K08
13.12 !."7"3
12.5
%API 27 Sec. /.5.3.')
T89+(,('- )-/0 ,< '90 (0' ,@8('
W/8
=
W %/@+)<,8/9/@9 $52
W0'8'& W = A/@9 )-/0 ,< '90 (0' ,@8(' % $ /@+)<,8 = A( ,8-'8'- /0):+'(( ,< /, (0' ,@8('
=
6.!!
/9/@9 = A( ,8-'8'- /0):+'(( ,< (0' ,@8(' <,8 0)0 /89+(,('- )-/0 )( ?')+* 9@9/'- %$ 1st Shell Course T0):+'(( ,< 1 (/ ,@8('
/1
=
15.!!
W/81 = W1 %//,/1$52
W/81
=
2!2.4
T0):+'(( ,< 2 +- ,@8('
/2
=
14.!!
W/82 = W2 %//,/2$52
W/82
=
24!.5
/3
=
12.!!
W/83 = W3 %//,/3$
W/83
=
353.6
T0):+'(( ,< 4 /0 ,@8('
/4
=
1!.!!
W/84 = W4 %//,/4$52
W/84
=
557.7
T0):+'(( ,< 5 /0 ,@8('
/5
=
.!!
W/85 = W5 %//,/5$52
W/85
=
"74.3
T0):+'(( ,< 6 /0 ,@8('
/6
=
6.!!
W/86 = W6 %//,/6$
W/86
=
2!!!.!
T0):+'(( ,< 7 /0 ,@8('
/7
=
6.!!
W/87 = W7 %//,/7$
W/87
=
2!!!.!
T0):+'(( ,< /0 ,@8('
/
=
6.!!
W/8 = W %//,/$52
W/8
=
2!!!
T0):+'(( ,< " /0 ,@8('
/"
=
6.!!
W/8" = W" %//,/"$
W/8"
=
2!!!.!
H/8
=
1!32
=
1!.33
2 nd Shell Course
3rd Shell Course
. 8-
T0):+'(( ,< 3 ,@8(' 52
4th Shell Course
5 th Shell Course
6 th Shell Course 52
7 th Shell Course 52
8 th Shell Course
9th Shell Course 52
T89+(<,8'- H')*0/ ,< /9+: S0'
>As Htr ? H16 Inter$ediate @ind Girders are not re"uired
HTS =
)
%As Per A&&endi8 < o# API 27)
F,8 @+(/)<<'+'- (0'( '9(/) ?@:))+* ) ,@8 )< <,,)+* 8)/'8),+ )( (9/)(<)'- 9( '8 V..1.1 %D/( )+$ !.75 % H/( D$ % F; E $!.5 !.!!675 D /()+
=
N,)+9 D)9'/'8 ,< T9+:& .
=
M)+)@ /0):+'(( ,< /0)++'(/ (0' ,@8('& .
HTS
=
T89+(<,8'- H')*0/ ,< /0' /9+:& .
F;
=
#')- S/8'+*/0 D'()*+ T'.& MP9.
E
=
M,-@@( ,< '9(/))/;& MP9.
% V..1.1$
T0'8'<,8'& !.!353
!.!!675
>Elastic -uc;ling criteria is sati#ied
T0' -'()*+ '/'8+9 8'((@8' <,8 9+ @+(/)<<'+'- /9+:( (0' (09 +,/ '''-
%V..1.2$
T,/9 -'()*+ '/'8+9 8'((@8'& P( P(
P(
E 456!" % HTS D $ % D/()+$ 2.5 7./37 KP9
%A,9?' E/'8+9 P8'((@8'$
W0'8' P(
=
T,/9 D'()*+ E/'8+9 P8'((@8' <,8 -'()*+ ,< (0'& KP9 G8'9/'8 ,<
1$ S')<)'- -'()*+ '/'8+9 8'((@8' '@-)+* )+- 8'((@8' 2$ W !.4 P'
W K*
=
!.!!!!333 % V $2 % K* $ % K0 $
=
W)+- *@(/ <9/,8
=
1.1
K0
=
W)+- 0')*0/ <9/,8
=
1.1
W C1
=
P'
=
!."!! :P9
C2
=
W !.4P'
=
1.32 :P9
P(
=
G8'9/'8 ,< C1 9+- C2
=
1.32 KP9
%V.3.1$
S,& =
!."6 :P9
>As Ps e8ceeds t,e allo9a-le e8ternal &ressure6 ,ence6 s,ell $ust -e sti##ened. M)+)@ (0' /0):+'(( 8'@)8'- <,8 9 (')<)'- -'()*+ '/'8+9 8'((@8' )( /)+
73.!5 % H/( P($ !.4 D!.6 % E $!.4
%V..1.3$
/)+
=
1!.!!5
>T,e $ini$u$ s,ell t,ic;ness &ro:ided is not su##icient. Sti##eners are re"uired.
a8i$u$ s&acing o# t,e inter$ediate sti##erners H(9<'
=
% /()+ $2.5 % E $
%V..2.1.2$
1.5
456!" D % P($ /()+
=
6
E
=
1"!!!
MP9
D
=
2!."15
P(
=
1.32
:P9
H(9<'
=
2.
>Sa#e ,eig,t is less t,an t,e trans#or$ed ,eig,t6 so6 sti##eners are re"uired Nu$-er o# inter$ediate sti##eners re"uired6 N s6 -ased on Hsa#e
N( 1
=
N( 1 N(
HTS H(9<'
=
3.5"
=
2.5"
%V..2.1.3$
T0'8'<,8'& +@?'8 ,< )+/'8'-)9/' (/)<<'+'8%($ 8'@)8'-& N(
=
3
S&acing o# inter$ediate sti##eners on trans#or$ed s,ell
S9)+*
=
HTS % N( 1$
=
2.5
%V..2.1.4$
Inter$ediate Sti##ener Ring Design
Number of bu!ling "a#es$ N N2
=
N
SRT %% 455 D3$ %/()+ HTS2$$ 1!!
=
!.65
1!!
=
."
Q
1!
%V..2.2.1$
>Satis#actorB
.a+imum s&aing$ -s on minimum shell thi!ness$ t smin$ ) H TS / 0Ns 1 L(9
=
HTS % N( 1$
%V..2.2.2$
2.5
L,9/' 1(/ S/)<<'+'8 ,+ 6 S0' 9/ (9)+*
=
'.4
F8, T,
L,9/' 2 S/)<<'+'8 ,+ 6 S0' 9/ (9)+*
=
.12
F8, T,
L,9/' 38- S/)<<'+'8 ,+ 6 S0' 9/ (9)+*
=
3.3
F8, T,
+-
%adial load im&osed on the stiffener b' the shell$ ( ) 1*** + ,s + -s
=
1!!! P( L(
=
342" N
%V..2.2.3$
%euired .oment of nertia$ red ) 0 375 ( 3 / 0 0 N 2 1
T0' 9/@9 ,'+/ ,< )+'8/)9 ,< /0' )+/'8'-)9/' (/)<<'+'8 8)+* 8'*),+ ) ,+()(/ ,< /0' ,?)+'- ,'+/ ,< )+'8/)9 ,< /0' )+/'8'-)9/' (/)<<'+'8 9+- /0' (0' )/0)+ 9 ,+/8)?@/)+* -)(/9+' ,+ '90 ()-' ,< /0' )+/'8'-)9/' (/)<<'+'8.
Shell Contribution (0'
=
13.4 SRT% D / (0' $
%V..2.2.4$
(0'
=
2 13.4 SRT% D / (0' $
F,8 ?,/0 ()-'(
=
3!!.22
0'8' /(0' = 9/@9 /0):+'(( ,< /0' (0' 9/' ,+ 0)0 /0' (/)<<'+'8 )( ,9/'-. R'@)8'- ,'+/ ,< )+'8/)9 ,< (/)<<'+'8 I8'-
=
%37.5 D 3 $ % E % N 2 1 $ $
=
7.2
=
71561
%V..2.2.5$
4
4
%euired CrossSetional :rea of the ntermediate Stiffener$ : red ) 0 ( / 0 2 f A8'-
=
% D $ % 2 < $
%V..2.2.6$
%V..2.2.6.1$
0'8' < = (9'(/ ,< /0' 9,9?' ,8'(()>' (/8'(('( ,< /0' 8,,< & (0'& ?,//, ,8 (/)<<'+'8 8)+* 9/'8)9 9/ -'()*+ /''89/@8' <
=
U(' < A8'-
!.4 F ;
<,8 )+/'8'-)9/' (/)<<)+* 8'*),+( ?@/ +,/ '(( /09+ 1!3 MP9.
=
1!! MP9
=
1!3 MP9
=
34.16 2
%euired CrossSetional :rea of the ntermediate Stiffener Strutural Sha&e$ :
A(/)<<
= =
) :red 2684 t shell S(%T 0 t shell
stiff
A8'- 26.4 / (0' SRT % D / (0' $ 1456
%V..2.2.6.2$
2
T0' +'*9/)>' ()*+ (0,( /09/ /0' (/)<<'+)+* 8,>)-'- ?; /0' (0' 9,+' )( (@<<))'+/ 9+- +, 9--)/),+9 (/8@/@89 (09' )( 8 '@)8'-. B@/& 9( '8 API 65!& A'+-) V& C9@(' V..2.2.6.2& A(/)<< @(/ ?' *8'9/'8 /09+ ,8 '@9 /, !.5 A8'-.
S,& A(/)<<
=
!.5 A8'-
A(/)<<
=
174.!
2
,ro#ided Stiffener
L I8' A(/)<<
"!
"!
6
=
256"
4
>T,e &ro:ided $o$ent o# inertia is satis#actorB
=
1!44
2
>T,e &ro:ided area is satis#actorB
2) Design O# Roo# Plate
Sel# Su&&orted E8ternallB Sti##ened Conical Roo# As Per API 276 Sec. /.17.
T, 9>,)- /0' 0)*0'8 /0):+'(( ,< 8,,< 9/'& /0' 8,,< )( ?')+* -'()*+'- 9( '/'8+9; (/)<<'+''- ,+)9 8,,<. A( /0' -'()*+ ,< /0)( /;' ,< 8,,< )( +,/ -)8'/; 9--8'(('- )+ API 65! -@' /, )/( @+,+>'+/),+9 +9/@8'& /0'8'<,8'& /0' 8,,< -'()*+ )( 988)'- ,@/ ,+ FEA ?9('- '+*)+''8)+* (,
U('- T0):+'((
=
6
C,88,-'- T0):+'((
=
6
S/)<<'+)+* M'?'8( @9+/)/;
I++'8 R)+* O@/'8 R)+*
I+/'8'-)9/' R)+*
2.1)
=
W1!1"
=
4!
N,(.
=
2!
N,(.
=
1
N,(.
W')*0/ ,< R,,< P9/' %U+ ,88 ,-'-$
=
164.23 KN
W')*0/ ,< R,,< P9/' %C,88,-'-$
=
164.23 KN
E(/)9/'- ')*0/ ,< /0' (/)<<'+'8( <,8 /0' 8,,< (/8@/@8'
=
1!! KN
T,/9 8,,< ')*0/ )+@-)+* (/)<<'+'8(
=
264.23 KN
Co$&ression Area
A( '8 A'+-) R& *8'9/'8 ,< /0' <,,)+* T, ,?)+9/),+(
G8'9/'8 ,<
T1 = DL %L8 ,8 S$ !.4 P ' T2 = DL P' !.4 %L8 ,8 S$
D'9- L,9-
DL
=
R,,< L)>' L,9-
L8
=
E/'8+9 P8'((@8'
P'
=
S+, L,9-
S
=
!.!!! KP9
C,?)+9/),+ J 1
T1
=
2.475 KP9
C,?)+9/),+ J 2
T2
=
2.2"5 KP9
P8
=
2.475 KP9
*=ased on
2
!."15 KP9 1.2
KP9
!."!! KP9
M9 T1 & T2
$$ t,ic; roo# &late attac,$ents sti##eners
% B9( '- ,+ @( '- /0) :+'( ($
%As &er A&&endi8 < o# API 27)
R'@)8'- 98/))9/)+* 98'9 )+ /0' ,+' 8,,< /, (0' ,)+/ 8'*),+ <,8 '/'8+9 8'((@8' )(
A8
=
A8
=
V.7.2.2
125 P8 D2 %< /9+ $ 6154 2
L'+*/0 ,< C,+' R,,< 98/))9/)+* )+ C, 8'(( ),+ R'*),+ %?9( '- ,+ 8,> )-'- /0) :'+'- 9/'$ X,+'
=
X,+'
=
V. 7.2.3
13.4 % D /,+'$ ()+$!.5 741
B9('- ,+
24
T 0: . C,8'( (),+ P9/'
L'+*/0 ,< S0' 98/))9/)+* )+ C,8'(),+ A8'9 X(0'
=
13.4 % D /(1 $
X(0'
=
3!!
V.7.2.3
!.5
B9('- ,+
24
T 0: . C,8'( (),+ P9/'
S,& /,/9 8,>)-'- ,8'((),+ 98'9
A
=
A,8'((),+ 9/' A(0'
=
%X8,,< /8,,< ,8'((),+ 9/'$ %X(0' /(0' ,8'((),+ 9/' $
=
24"7 2
>Pro:ided co$&ression area is ade"uate
2.' )
Co$&ression Area
%A( '8 3.1!.5.2$
R'@)8'- M)+)@ P98/))9/)+* C,8'((),+ A8'9
A8
A( '8 3.1!.5.1 ,< API 65!
D2
=
% T 2.2$
!.432 S)+
A8
=
6"32
2
A8
=
7!63
2
0
=
R2
=
%A
!.3 %R2 /0$!.5 R
=
635!
S)+θ 0
=
371
=
!.6 X %R X /$!.5
R
=
I+()-' R9-)@( ,< T9+: S0'
=
3!!.4
A
=
%0 /0$ % /$
=
B9('- ,+
=
B9('- ,+
2
161!6
>Pro:ided co$&ression area is ade"uate
3)
TAN+
=
56 :N
C,88,-'- ')*0/ ,< 8,,<
=
264 :N
C,88,-'- ')*0/ ,< C,8'((),+ R)+* P9/'
=
5 :N
C,88,-'- ')*0/ ,< 9//90'+/(
=
15! :N
T,/9 ')*0/ ,< (0'& 8,,< 9//90'+/(
=
1355 :N
N'/ U)
=
1372.2
=
17.32
KN
1354."6
24
T0:. C, 8'(( ),+ P9/'
1!45!
24
T0:. C, 8'(( ),+ P9/'
5) Sta-ilitB o# Tan; Against @ind !oad W)+- >',)/;
V
=
R,,< H')*0/ A?,>' S0'
HR
=
155 K08
H')*0/ ,< /9+: )+@-)+* 8,,< 0')*0/
HT
=
1".74
S0' H')*0/
H
=
1.!!!
=
43.!6 (
1.74
E<<'/)>' )+- *@(/ <9/,8
G
=
!.5
F,8' , '<<))'+/
C<
=
!.
W)+- -)8'/),+9; <9/,8
K-
=
1
V',)/; P8'((@8' E,(@8' C,E<<.
K
=
1.16
T,, G890) F9/,8
K/
=
1
I,8/9+' F9/,8
I
=
D'()*+ W)+- P8'((@8'
=
1.15
A( '8 API 65! 3.".7.1 %9$ B; )+/'8,9/),+ %ASCE 7!5& F)*. 621$ B!2E!3 ASCE 7!5& C09/'8 6& T9?' 63
R1"1!!32! 8'>.!
!.613 K K/ K- V2 I 1!!! ASCE 72!!5& C09/'8 6& E. 615& C9@(' 6.5.1! 1.516 KN2
D'()*+ W)+- L,9-
P1
=
G C< A< 425."7 KN
ASCE 7!5& C09/'8 6& E. 62& C9@(' 6.5.15
Tan; Anc,orage Re"uire$ents Against @ind
A( '8 3.11.2 ,< API 65!
U+9+0,8'- /9+:( (09 (9/)(<; ?,/0 ,< /0' <,,)+* 8)/'8)9(
C9(' 1
!.6M MP) Y MDL 1.5
C9(' 2
M !.4MP) Y % MDL MF $ 2 M
=
P1H2
MP)
=
P) A X D2
MDL
=
%W/ ,< (0' 8,,< ?,//,$ D2
M
=
333. KN
MP)
=
14371 KN
MDL
=
13435 KN
MF
=
!
=
2267"
F,8 '/; ,+-)/),+ %0'+ /9+: ,+/9)+( +, <@)-$
C9(' 1
16671
Y
"57
>(nsatis#actorB
C9(' 2
"52
Y
6717
>(nsatis#actorB
>Anc,orage against 9ind &ressure is re"uired
5.1)Resistance To Sliding
API 27 /.11.0 !.6 :N2
T0' )+- ,9- 8'(@8' ,+ 8,'/'- 98'9 ,< ;)+-'8)9 (@8<9'( =
=
1.! (<
%API 65!& C09/'8 3& C9@(' 3.2.1 %<$$
T0)( 8'(@8' )( <,8 )+- >',)/; ,< 12! 0 % 1"! K08$& <,8 9 ,/0'8 )+- >',)/)'( /0' 8'(@8' (09 ?' 9-@(/'- )+ 8,,8/),+ ,< 89/), %V1"!$2
D!
O.D. ,< T9+: = D'()*+ W)+- V',)/;
V V<
=
%V1"!$2
= = =
2!."3! 155 :08 !.666
%V< = V',)/; F9/,8$ 2
W)+- P8'(@8' ,+ >'8/)9 9+' (@8<9'(
=
!.6 :N
%API 65!& C09/'8 3& C9@(' 3.2.1 %<$$
W)+- P8'(@8' ,+ >'8/)9 ,+)9 (@8<9'(
=
1.44 :N2
%API 65!& C09/'8 3& C9@(' 3.2.1 %<$$
P8,'/'- 98'9 ,< 8,,<
=
1.25 2
P8,'/'- 98'9 ,< (0'
=
376.74 2
F)+-
=
V< %W)+- P8'((@8' ,+ R,,< P8,'/'- A8'9 ,< R,,< W)+- P8'((@8' ,+ S0' P8,'/'- A8'9 ,< S0'$
= F<8)/),+
=
233.11
:N
%API 65!& C09/'8 3& C9@(' 3.2.1 %<$$
M9)@ ,< 4!Z ,< W')*0/ ,< T9+:
=
541."
:N
%API 65!& C09/'8 3& C 9@(' 3.11.4$
>Anc,orage against sliding is not re"uired
17)
Sta-ilitB Calculations Against Seis$ic !oad %As &er API 27 Add. 06 '77 ) D
=
2!."15
N,)+9 -)9'/'8 ,< /9+:
H
=
16.75!
H)*0 L)@)- L'>'
DH
=
1.25
HD
=
!.!
S)/' C9((
=
E
C,88,-'- /0):+'(( ,< ?,//, 9/'
/?
=
6.!!
C,88,-'- /0):+'(( ,< 1(/ (0' ,@8('
/(
=
15.!!
r9
=
SKRT>Ai%@ii@ss@r r )' >Ac%@cc)'
Ai
=
'. 8 K 8 % I L R9i ) 8 Sa7*
F9
=
O>'8 /@8+)+* 8)+* 9 ,'+/ A( '8 API 65! E.6.1.5
F,8 ()/' 9(( E
A''89/),+?9('- ()/' ,'<<))'+/ S9)+* F9/,8
2.5
=
1
S(
=
S9!
=
!.1"
S!
=
SP
=
!.4 S(
=
!.!
S
! !433
A( '8 API 65! E.4.".1& E@9/),+ E" F8, T9?' E1 A( '8 API 65! E.4.".1 B9('- O+ UBC R'(,+(' S'/8@ A( '8 E.4.2.
:NCH=% CH:% S
= /,9/' )-/0& )+. 9,+* (0'
= /,9/' '+*/0& )+.& )+ 89-)9 -)8'/),+
'
= /, 9/' /0):+'((& )+.
*
= 9+0,8?,/ -)9'/'8& )+.
e em"
= 9+0,8?,/ ''+/8))/;& )+.
& & m"
= -)(/9+'& )+.& <8, ,@/()-' ,< /, 9/' /, '-*' ,< 0,'
!
= -)(/9+'& )+.& ?'/''+ >'8/)9 9/'( %8'<'88'- * = - 1$
= !.6- !.572& ?9('- ,+ 9 0'9>; 0' +@/ '98)+* (0' ?; 12 )+. S'' T9?' 71 = -2 1 A--)/),+9 -)(/9+' 9; ?' 8'@)8'- <,8 9)+/'+9+'.
+
= 09)8 0')*0/& )+.
= >'8/)99/' /0):+'((& )+.
= >'8/)99/' )-/0& )+. %9>'89*' )-/0 <,8 /9'8'- 9/'($
L
= ,@+ '+*/0& )+.
m
= ?,//, ,8 ?9(' 9/' /0):+'((& )+.
P
= -'()*+ ,9-& :)([ ,8 9)@ 9,9?' 9+0,8?,/ ,9- ,8 1.5 /)'( 9/@9 ?,/ ,9-& 0)0'>'8 )( '((
r
= '9(/ 89-)@( ,< *;89/),+& )+.
R
= +,)+9 (0' 89-)@(& )+.& ')/0'8 /, )+()-' ,8 '+/'8)+' ,< 9/' %89-)@( +,89 /, ,+' 9/ ?,//, '+- <,8 ,+)9 (0'($
S
= (/8'(( 9/ ,)+/& :()
t
= (0' ,8 ,@+ /0):+'((& )+.
.
= '- ()' %'* -)'+(),+$& )+.
/ / H
= /,/9 ,9- ,+ '-& :)( '8 )+. )+. ,< '-
/ V
= >'8/)9 ,9-& :)( '8 )+. )+. ,< '-
0
= 8'-@/),+ <9/,8
= 0,8),+/9 ,9-& :)( '8 )+. )+. ,< '-
I!!(STRATI
*
BOTTOM PLATE
BCD
TANK ID <
'
/ BOTTOM PLATE
SHELL INSIDE
' ? <
9
DATA t=
!.236 )+.
6
R=
41.33" )+.
1!5!
P=
3.7! :)(
16.46 :N
BC# =
"!.551 )+.
23!!.!
Bottom Plate T+"'e$$, m =
!.236 )+.
6
Bottom Plate Proe't"o &rom S+ell O# =
1."6" )+.
5!
Eart+uae 'o$"*ere* =
#
GEOETR
a=
6.!!! )+.
152.4
=
7.74 )+.
2!!
'=
!.315 )+.
*=
1.!63 )+.
27
e= 5 em"1 =
3.7!1 )+.
"4
2.5!! )+.
5!.!
55 em"2 =
1.514 )+.
3.5 >Not A&&lica-le
&= & m" =
1."6" )+.
5!
!.656 )+.
16.675
555 ! = ! 4re&erre* =
3."37 )+.
1!!
2.!63 )+.
52.4
5555 + = +m" =
12.!!! )+.
3!4.
12.!!! )+.
3!4.
+ma< =
1.!!! )+.
457.2
= 55555 m" =
!.551 )+.
14.!
!.5!! )+.
>Satis#actorB 12.7 m" = a< 6182 ">, 3>3? ( + - ' );
=
4."21 )+.
125
>Satis#actorB
>Satis#actorB >Satis#actorB >Satis#actorB
6 7= P82 ---- Sat"$&a'tor:; L=
!.551 )+.
14
?9('- ,+ )+)@ ?,//, 9/' 8,'/),+
?9('- ,+ 0'9>; 0' +@/ '98)+* (0' ?; 12 )+. S'' /9?' A.
@(/ ?' 9-@(/'- )+ 9 9; /, 9, '-)+* 98*)+
)< 09)8 0')*0/ 9@9/'- )( ''(()>' /0'+ )$ 8'-@' ''+/8))/; ))$ @(' ,8' 9+0,8 ?,/( ,< (9'8 -)9. )))$ @(' 9 ,+/)+@,@( 8)+* 9/ /, ,< 09)8(
/0)( ))/( 9((@8' 9 9. L8 ,< 6.6 9+- 9. 9>*. (/8'(( )+ /0' ()-' 9/'( ,< 12.5 :() '>'+ 9((@)+* +, ,9- 9( /89+()//'- )+/, /0' (0' /08,@*0 /0' '-(
TOP P!ATE C8)/)9 (/8'(( )+ /0' /, 9/' ,@8( ?'/''+ /0' 0,' 9+- /0' <8'' '-*' ,< /0' 9/'. F,8 ,+>'+)'+' ' 9+ ,+()-'8 /0)( ,8/),+ ,< /0' /, 9/' 9( 9 ?'9 )/0 98/)9; <)'- '+-(& )/0 9 8,/),+ ,< /0' /,/9 9+0,8 ?,/ ,9- -)(/8)?@/'- 9,+* 98/ ,< /0' (9+. S'' <)*@8'
U()+* 9?,>' 0),(,0;& /0):+'(( ,< /, 9/' 9+ ?' 9@9/'- )/0 /0' 0' ,< <,,)+* '8'((),+
L'/
S=
c
=
25.!! :()
[
P ( 0.375 g Sf
'= ' u$e* =
172.37 MP9
]
0. 5
−
0.22 d
)
!.31
)+.
7.
!.31
)+.
>Satis#actorB
T+e t+"'e$$ o& to4 4late +a$ ee 'al'ulate* a$e* o 2 $" $tre$$ alue>
A/@9 (/8'(( )+ /0' /, 9/' 0)0 ,@8( ?'/''+ /0' 0,' 9+- /0' <8' ' '-*' ,< /0' 9/' 9+ ?' '>9@9/'@()+* /0' <,,)+* '8'((),+
S=
P fc 2
S=
( 0.375 g −0 . 2 2 g )
11.56 :()
7".72 MP9 >Satis#actorB
AI( STRESS IN SHE!! C09)8 @(/ ?' 0)*0 '+,@*0 /, -)(/8)?@/' 9+0,8 ?,/ ,9- /, (0' )/0,@/ ,>'8(/8'(()+* )/. T0' -)<<)@/; )'( )+ /0' ?'+-)+* 9@('- ?; ''+/8))/; ,< /0' 9+0,8 ?,/ )/0 8'('/ /0' (0'. E'/ <,8 /0' 9(' 0'8' 9 ,+/)+@,@( 8)+* )( @('- 9/ /0' /, ,< 09)8(& 9)@ (/8'(( ,@8( )+ /0' >'8/)9 -)8'/),+ 9+- )( 9 ,?)+9/),+ ,< ?'+-)+* @( -)8'/ (/8'((. F,8@9 0)0 <,, 98' 98,)9/),+(& ?9('- ,+ /0' ,8: ,< B)998-. H'+'& 9)@ (/8'(( %).'.& 9 ,?)+9/),+ ,< ?'+-)+* @( -)8'/ (/8'(($ )+ >'8/)9 -)8'/),+ 9+ ?' '>9@9/'- @()+* <,,)+* '8'((),+
Z =
1. 0 0.177 am
√ Rt @=
S=
Pe 2
t
( )+ m t
2
1.0
!."26
[
1.32 Z
1.43 ah
Rt
2
2 + ( 4 ah )
+ 0.333
0.031
√ Rt
]
a<"mum re'omme*e* $tre$$ "$ 2 $">
T0)( )( 9 ,9 (/8'(( ,@8)+* @(/ 9?,>' /0' /, ,< /0' 09)8& 9 0)*0'8 /09+ +,89 (/8'(( )( @(/)<)'- ?@/ 9+ )+8'9(' <,8 /',898; ,9-(& (@0 9( '98/0@9:' ,8 )+- )( +,/ 8','+-' :ssembl' of Chair or &"el* ere'te* $tru'ture$, $+"4 e"t+er t+e to4 4late or t+e et"re '+a"r loo$e &or "$tallat"o a&ter t+e $tru'ture "$ $"tt"! oer t+e a'+or olt$> /+ere a$e 4late "$ .el*e* to t+e $+ell " t+e $+o4, atta'+ $"*e 4late$ " t+e $+o4 a* $+"4 to4 4late loo$e &or &"el* a$$eml:> /+ere a$e or ottom 4late "$ ot .el*e* to $+ell " t+e $+o4, a$ &or &lat ottom ta$, $+o4 atta'+ $"*e 4late$ to to4 4late$ a* t+e $+"4 t+e a$$eml: &or &"el* "$tallat"o>/+e :ou * o t+"$, .el* ot+ $"*e$ at to4 o& $"*e 4late$ $o $+r"a!e ."ll ot 4ull $"*e 4late out o& $uare> See &"!ure
@E!DING /el*$ et.ee '+a"r a* $+ell mu$t e $tro! eou!+ to tra$m"t loa* to $+ell> 18? "> m""mum &"llet .el*$ are earl: a*euate, ut $+oul* e '+e'e* "& a lar!e a'+or olt ."t+ a lo. '+a"r +e"!+t +a$ ee 4ro"*e*> Seal .el*"! ma: e *e$"re* &or a44l"'at"o " 'orro$"e e"romet$> . m" =
!.25 )+.
6.35
. u$e* =
!.24 )+.
6
Allo.ale Stre$$ =
13.6! :()
Allo.ale Loa* Per L"> "> = 9>. u$e* =
W v = / =
"3.77 MP9
".62 :)( '8 )+. ,< '- ()' 2.27 :)( '8 )+. ,< '- ()'
P a+2 h
>Satis#actorB
W H =
/ H =
Pe 2
ah + 0.667 h
!.!
:)( '8 )+. )+. ,< '-
W = √ W 2 + W V
/=
!.15
H 2
:)( '8 )+. )+. ,< '-
F,8 9+ 9,9?' (/8'(( ,< 13.6 :() ,+ 9 <)'/ '-& /0' 9,9?' ,9- '8 )+. I+. )( 13.6 !.7!7 = ".6 :)( '8 )+. ,< '- ()'. F,8 '- ()' & )+.& /0' 9,9?' ,9- /0'8'<,8' )( ".6 = W
4)
Roo# T,ic;ness and Co$&ression Area
=
/,/9 8'((@8'& )+ ?<)+. 2 *9@*'& 9/)+* 9/ 9 *)>'+ '>' ,< /0' /9+: @+-'8 9 98/)@98 ,+-)/),+ ,< ,9-)+*& = P 1 P *&
= 8'((@8'& )+ ?<)+.2 *9@*'& 8'(@/)+* <8, /0' )@)- 0'9- 9/ /0' P 1
=
'>' @+-'8 ,+()-'89/),+ )+ /0' /9+:&
P *
=
*9( 8'((@8'& )+ ?<)+. 2 *9@*'& 9?,>' /0' (@8<9' ,< /0' )@)-. T0' 9)@ *9( 8'((@8' %+,/ '''-)+* 15 ?<)+. 2 *9@*'$ )( /0' +,)+9 8'((@8' 89/)+* ,< /0' /9+:. P * )( /0' ,()/)>' ''/ )+ ,@/9/),+( @('- /, )+>'(/)*9/' /0' 9?))/; ,< 9 /9+: /, )/0(/9+- 9 98/)9 >9@@[ )+ (@0 ,@/9/),+([ )/( >9@' )( +'*9/)>'&
T 1
=
'8)-),+9 @+)/ <,8'& )+ ?<)+. ,< 9/)/@-)+9 98& )+ /0' 9 ,< /0' /9+: 9/ /0' '>' ,< /0' /9+: @+-'8 ,+()-'89/),+. T 1 )( ,()/)>' 0'+ )+ /'+(),+&
T 2
=
9/)/@-)+9 @+)/ <,8'& )+ ?<)+. ,< 98)-),+9 98& )+ /0' 9 ,< /0' /9+: @+-'8 ,+()-'89/),+. T 2 )( ,()/)>' 0'+ )+ /'+(),+.%)+ ;)+-'8)9 ()-'9( /0' 9/)/@-)+9 @+)/ <,8'( 98' )8@<8'+/)9 @+)/ <,8'(.$&
R 1
=
89-)@( ,< @8>9/@8' ,< /0' /9+: 9& )+ )+.& )+ 9 '8)-),+9 9+'& 9/ /0' '>' @+-'8 ,+()-'89/),+. R 1 )( /, ?' ,+()-'8'- +'*9/)>' 0'+ )/ )( ,+ /0' ()-' ,< /0' /9+: 9 ,,()/' <8, R 2 ''/ 9( 8,>)-'- )+ 5.1!.2.6
R 2
=
'+*/0& )+ )+.& ,< /0' +,89 /, /0' /9+: 9 9/ /0' '>' @+-'8 ,+()-'89/),+& '9(@8'- <8, /0' 9 ,< /0' /9+: /, /0' 9)( ,< /0' 8'>,@/),+. R 2 )( 99;( ,()/)>' ''/ 9( 8,>)-'- )+ 5.1!.2.6
W
=
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4.1)
Design Data
D'()*+ C,-'
API 62!& 1!/0 EDD. 2!!2& ADD. !1
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