Analysis and Design of Reinforced Concrete Silo Structure ...
Silo Concrete Project
Transcript of Silo Concrete Project
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Input data❶
L [m] = 6.5
Di[m]=L-1 5.5
H [m]= 38
ag 0.3g
LOADS
G1
snow load 2.5 3.75
roof isolaion 0.5 0.675
s!lf-w!ig" #$$!r gall!r% 8 10.8
[&'] 7760.6
G2
s!lf-w!ig" sla( [m] 0.2 6.75
)ol#mns*!+ walls* #$ gal. [&'] 500 6755 7.5
[&'] 7,38.7
G3-G7
s!lf-w!ig" silo walls [m] 0.18 6.075
0.8 1.08
[&'] 1777,.6
G8.. sla( #nd!r sorring )!lls [m] 0./ 13.5
5.,/, ,637.38
[&'] 16518.7
oal w!ig" [&'] #ll )a$a)i%
121116
LD 4
#ll )a$a)i% G L4 1.35 G L4 0.8
[&'] 1777,.6 10536.1
849395: ; G L4 0.8
[&'] 10,6,.6 6500.5
649/96: G L4 1.35 G L4 0.8
[&'] ,666., 5728.5
< 749395: G< L4 1.35 G< L4 0.8
[&'] ,,2,.7 588/.3
IV.Seismic Input
4s = gamaag>g ?!a>@lamda gama1 im$oran)! )lass 3 1
[&'>m2] G1L4
G2L4
liA! load [&'>m2]
G3-G7L4
s!lf-w!ig" grains [&'>m3]
G8L4
.. )ol#mns low!r gall!r% [m3]
GL4
( = )
sG
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?!a 2.5
lamda 0.85
@ (!"aAior fa)or /
4s= 0.15,/
(= 16,72
V.Evaluation of Story Shears and Overturning momentLoad 4as! w!ig"[&'] Grains [&']
G1 /670.7 0
G2 36,5.7 0
G3 1/535.6 258/.1
G/ 1/535.6 258/.1
G5 1/535.6 258/.1
G6 1/535.6 258/.1
G7 1/535.6 258/.1
G8 12055.3 0
VI.Soil pressures at foundation level
Load )as! - L4
$1='1>1 288.3, &:a
1/6,,8.73&'
Load )as! - L4
)). B [m] 5.58
,,700
556327
-70.2371282188
/61./25/608,65C 720 &:a
Load )as! - L4
)). [m] 3./8
,7,3/
3/0811
-25./578,/5306
/0,.7166308//,C 720 &:a
Load )as! < - L4
)). B [m] 5.13
,/8/,
'1L4
'2L4 [&']
Eo2 L4 [&'m]
$2min
L4 [&:a]
$2ma+
L4 [&:a]
'3L4 [&']
Eo3 L4 [&'m]
$3min
L4 [&:a]
$3ma+
L4 [&:a]
'/L4 [&']
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/86573
-/6./2//28275,
/18.5765177/05C 8/0 &:a
)). [m] 1.02
,/8/,
,67/6
12/.30,812783,
2/7.8/22766807C8/0 &:a
VII. Allowable pressures on the foundation soil
L! $)onA [&:a]
Load )as! - L4 $)onA 600
Load )as! - L4 1.2$)onA 720
Load )as! - L4 1.2$)onA 720
Load )as! < - L4 1./$)onA 8/0
SL!
:$l=mlgama?'19gamaDf'29)'3 87,
ml 1.6
gro#nd %$! d#s% )la%
gama 18
$"i 22) 18.5
'1 0.61
'2 3.//
'3 6.0/
Df [m] 3.6
Design of silo cells
Input datagama F'>m3 0.7 s = 0.2d) m
0./8 = s2 m2
am 1.16 : = /s m
& 0.65/, I = >$ m
a& 1.11 "(>d)
;1 m 2.5 d) m
;2 m 7.5 "( m
;3 m 21 a1
Eo/ L4 [&'m]
$/min
L4 [&:a]
$/ma+
L4 [&:a]
'/L4 [&']
Eo/ L4 [&'m]
$/min
L4 [&:a]
$/ma+
L4 [&:a]
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;/ m 35.5 a2
J1
J2
!ircular central cell
r!gion 1:Af; F'>m2 1.333 K!gion 1
:"f; F'>m2 0.873
:wf; F'>m2 0./1,
:"f1 F'>m2 1.3,7
:"f oal F'>m2 2.270 K!gion 2
'!d [&'] 21.,08
r!gion 2 K!gion 3
:Af; F'>m2 2.511
:"f; F'>m2 1.6//
:wf; F'>m2 1.205
:"f1 F'>m2 2.631 K!gion /
:"f oal F'>m2 /.275
'!d [&'] 15.871
r!gion 3
:Af; F'>m2 3.037
:"f; F'>m2 1.,8,
:wf; F'>m2 0.,55:"f2 F'>m2 2.168
:"f oal F'>m2 /.156
'!d [&'] 10.602
Ed [&'m] /./26
r!gion /
:Af; F'>m2 3.061
:"f; F'>m2 2.005
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:wf; F'>m2 0.,62
:"f1 F'>m2 3.207
:"f oal F'>m2 2.005
'!d [&'] 1,.3/,
Lateral circular cell
K!gion 1
r!gion 1
'd 21.,08
' ,.185
' oal [&'] 31.0,3 K!gion 2
r!gion 2'd 15.871 K!gion 3
' 17.2,,
' oal [&'] 33.170
K!gion /
r!gion 3
'd 10.602
' 16.820
' oal [&'] 27./22
Ed 2.300
E 8./87
E oal [&'m] 10.787
r!gion /
'd 1,.3/,
' 8.112
' oal [&'] 27./61
"oc#et cell
#rfa)! of "! $o)&! )!ll 3.8,
2.225
r!gion 1
'd 21.,08
' 3.715
' oal [&'] 25.623
D !@. [m2]
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r!gion 2
'd 15.871
' 6.,,7
' oal [&'] 22.868
r!gion 3
'd 10.602
' 6.803
' oal [&'] 17./05
Ed 2.300
E 0.665
E oal [&'m] 2.,6/
r!gion /'d 1,.3/,
' 3.281
' oal [&'] 22.630
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la(
oal ar!a
oal $!rim!!r
H>5 = 7.6 ;1 [m]
1 ;2 [m]
0.5 ;3 [m]
8 ;/ [m]
/8/2./ ;5 [m]
;6 [m]
;7 [m]
5 ;8 [m]
5001.5
3813.2
/.5
0.8
1711,.7 1/00.5 1571,.1
10
7138.8
12236.1 13/,6./
oal w!ig" [&'] 4as!
106/,0.06652576 ,,700
G1L4
G2L4
G3-G7L4
G8L4
GL4 GL4
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/,,,7.6 +
[&']
oal [&']
/670.7 /5 210180.375 0.088222758,
36,5.7 /2 155220./5 0.065153//,
1711,.7 38.2 653,70.,3,010/,6 0.27/5028,06
1711,.7 30.6 523861.537531,68 0.21,88,75
1711,.7 23 3,3752.136053// 0.16527660,5
1711,.7 15./ 2636/2.73/57/,12 0.110663/6,
1711,.7 7.8 133533.3330,638/ 0.056050328/
12055.3 / /8221.2 0.0202/07//7
Gi;i 2382382.7052672
Load )as! -L4
C600 !1=Eo1>'1L4 /.7,
'1L4 10601,.,,
sigma n 208.0
sigma m 32/.5
sigma +*1 ma+ 532.5
sigma +*1 min -116.5
Load )as! - L4
5256/0.8
70878.6
igma n 13,
igma m 251
igma %*2*ma+ 3,0
igma %*2*min -112
Load )as! -L4
508202.1
6,570./
igma n 136
igma m 32/
igma %*2*ma+ /61
igma %*2*min -188
Load )as! < - L4
;i[m] G
i;
i[&'m] G
i;
i>G
i;
i
E2 L4
'2 L4
E3L4
'3 L4
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336733.6
35,23.,
71/2.8
6728/.8
igma n 132
igma m*+*s 215
igma m*%*s 161
igma m*+*G 23
igma m*%*G 3
[&:a]
1.1
23.76
17.28
1.38
6.,1
5.5
38
1.6
E/*s L4
E/*G*+ L4
E/*G*% L4
'/ L4
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1.0,
0./36
0.218
$e%uired reinforcement r!@ [mm2] 25.1,/688 -M )onsr#)iA!
"s [m] 5.68
%d ? 500 /35
r!@ [mm2] 18.251/17 -M )onsr#)iA!
"s [m] 5.68
%d ? 500 /35
r!@ [mm2] 13.,8/800 -M )onsr#)iA!
"s [m] 5.68
%d ? 500 /35
r!@ [m2] 22.251,15 -M )onsr#)iA!
"s [m] 5.68
%d ? 500 /35
r!a 180000
360mm2>m
3,2.6,,0816,87 2 N 10>20 )m
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$e%uired reinforcement
r!@ [m2] 35.757 -M )onsr#)iA!
"s [m] 5.68
%d ? 500 /35
r!@ [m2] 38.1/5 -M )onsr#)iA!
"s [m] 5.68
%d ? 500 /35
r!@ [m2] 35.,03 -M )onsr#)iA!
"s [m] 5.68
%d ? 500 /35
r!@ [m2] 31.581 -M )onsr#)iA!
"s [m] 5.68
%d ? 500 /35
Star cell
#rfa)! sar )!ll 15.05
/.377
r!gion 1
:"f; F'>m2 2.00/
:"f*3; F'>m2 0./008
'!d [&'] 7.106
D !@. [m2]
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r!gion 2
:"f; F'>m2 2.001
:"f*3; F'>m2 0./002
'!d [&'] 7.0,7
r!gion 3
:"f; F'>m2 1.,38
:"f*3; F'>m2 0.3876
'!d [&'] 6.,11
E!d [&'m] s#$$or 1.253
E!d [&'m] s$an 0.627
?!a s#$$or 0.0833333333
?!a s$an 0.0/16666667
r!gion /:"f; F'>m2 0.807
:"f*3; F'>m2 0.161/
'!d [&'] 3.56,
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Load 4as! !lf-w!ig"[&'
1/,7.30/ 67378.6717 G1 /670.7
1105.775 /6//2.5/35 G2 36,5.7
/658.823 177,67.0/2 G3 1/535.6
3731.,37 11/1,7.266 G/ 1/535.6
2805.051 6/516.1625 G5 1/535.6
1878.16/ 28,23.72,, G6 1/535.6
,51.278 7/1,.,68/8 G7 1/535.6
3/3.523 137/.0,188 G8 12055.3
16,71.85 50821,./76
2,.,//8/
m 1566.32
&' 20,2.78
&:a
&:a
&:a C 600 &:a
&:a -M lifing igma EMigma '
[&'m] !2 [m] 7./
[&'] L [m] 26
&:a L>6 [m] /.33
&:a L>3 [m] 8.67
&:a ) [m] 5.6
&:a ' [&'] 3268./
[&'m] !3 [m] 7.3
[&'] ? [m] 1,.56
&:a ?>6 [m] 3.26
&:a ?>3 [m] 6.52
&:a ) [m] 2.5
&:a ' [&'] 1711.3 721
i[&'] E
o[&'m]
+ [m3]
% [m3]
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)!lls* $o)&! )!lls and sar )!lls
:o)&! : ar
388660,./2 150/,00,.//
8,32.13 20260.68
3.8, 15.05
8.,3 20.26 oal38.87 ,0.2, /33.2261072752 r!a
8,.32 121.56 /25.016318/ :!rim!!r
1,./3 /5.15 267.2,07130512 r!a
//.66 60.78 2/8.1,66518 :!rim!!r
23.32 60.20 235.5/8672/,32 r!a
53.5, 81.0/ 2/1.700,676 :!rim!!r
1,./3 /5.15 2/1.,518833/// r!a
//.66 60.78 230.352/055 :!rim!!r
12526.1 ,278.6
oal w!ig" [&'] 4as! <
,/8/, 67285
GL4 GL4
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Grains [&'] oal [&']
0 /670.7 /5 210180.375
0 36,5.7 /2 155220./5
150, 160//.6 38.2 612,03./80570,57
150, 160//.6 30.6 /,0,6/.56820605/
150, 160//.6 23 36,025.6558/1152
150, 160//.6 15./ 2/7086.7/3/7625
150, 160//.6 7.8 1251/7.8311113/7
0 12055.3 / /8221.2
75/5.18 Gi;i 2258750.30/20576
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Load 4as! !lf-w!ig"[&']
0.08822276 1/,7.30/ 67378.67 G1 /670.7
0.065153/5 1105.775 /6//2.5/ G2 36,5.7
0.25726/,1 /366.263 1667,1.2 G3 1/535.6
0.20608132 3/,7.582 107026 G/ 1/535.6
0.15/8,772 2628.,02 60/6/.7/ G5 1/535.6
0.10371/13 1760.221 27107./ G6 1/535.6
0.05253053 8,1.5/05 6,5/.016 G7 1/535.6
0.0202/07/ 3/3.523 137/.0,2 G8 12055.3
/83538.7
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Grains [&'] oal [&']
0 /670.7 /5 210180.375 0.08822275, 1/,7.30/ 67378.67
0 36,5.7 /2 155220./5 0.065153//, 1105.775 /6//2.5/
1/70 16005.1 38.2 6113,/.81, 0.256631656 /355.515 166380.7
1/70 16005.1 30.6 /8,756.05, 0.20557/0/, 3/88.,73 106762.6
1/70 16005.1 23 368117.2,, 0.15/516//2 2622./31 60315.,
1/70 16005.1 15./ 2/6/78.5/ 0.103/58835 1755.888 270/0.68
1/70 16005.1 7.8 12/83,.78 0.052/01228 88,.3/6 6,36.8,,
0 12055.3 / /8221.2 0.0202/07/5 3/3.523 137/.0,2
73/7.71 Gi;i 225/208.52 /82632
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Load 4as! < !lf-w!ig"[&'] Grains [&'] oal [&']
G1 /670.7 0 /670.7 /5
G2 36,5.7 0 36,5.7 /2
G3 1/535.6 1/01 15,36.1 38.2
G/ 1/535.6 1/01 15,36.1 30.6
G5 1/535.6 1/01 15,36.1 23
G6 1/535.6 1/01 15,36.1 15./
G7 1/535.6 1/01 15,36.1 7.8
G8 12055.3 0 12055.3 /
7002.71 Gi;i
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210180.375 0.08822275, 1/,7.30/ 67378.67
155220./5 0.065153//, 1105.775 /6//2.5/
60875,.0/7 0.2555252,7 /336.738 165663./
/876//.682 0.20/687803 3/73.,32 106302.3
366530.316 0.15385030, 2611.125 60055.88
2/5/15.,51 0.103012816 17/8.31, 26,2/.11
12/301.586 0.052175322 885.512 6,06.,,3
/8221.2 0.0202/07/5 3/3.523 137/.0,2
22/6273.61 /810/8
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