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CHETTINAD CEMENTS-BULK TERMINAL AT ARALVAIMOZHI
PROJECT PROPOSED 8 SPOUT STRUCTURAL PACKING AND LOADING
PLANT
TITLE COMBINED FOOTING
Design of combined footing for columns in grids C3 & D3
Compressive strength of concrete = 25 MPa
Yeild strength of reinforcement = 415 MPa
Unit wt of soil = 16 k!c"m
Unit weight of concrete = 25 k!c"m
#afe $earing capacit% of soil = 4&& k!s'm
(ross #afe )earing Capacit% of soil = 44* k!s'm
+
P" ,42&-4 1.1&-1
2-&& M/ 0,4-1*4 4-&*
M+ 62-4,5 01,,-*2
1& &-. 15
&-. &-5
2-&&
2-&& 4-&7.50
epth of 3aft = &-. m
epth of fo"ndation from ( = , m
oad Case / % M/ M
1& 1&1 1788C9 0146-,4 ,42&-4 04-65* 0,4-1*4
62-4,5
15 1&1 1788C9 211-&1 1.1&-1 1&-*4* 4-&*
01,,-*2
64.678 5330.5 103.19 40.524 -71.381
e = &-&& 0&-,2 m
Moment d"e to eccentricit% = & 016** km
:eight of soil = 144& k
:eight of footing = 65 k
;/ial oad from col"mn = 5,,&-5&6 k
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CHETTINAD CEMENTS-BULK TERMINAL AT ARALVAIMOZHI
PROJECT PROPOSED 8 SPOUT STRUCTURAL PACKING AND LOADING
PLANT
TITLE COMBINED FOOTING
et "pward press"re on footing = 241-&, k!s'm
Top Reinft Bottnit
!"ort #on$ !"ort #on$
)ending moment at middle = 21&-*.* km
)M at face of col"mn cantilever port = 2*.-5, 2*.-5, km
ia of $ar = 16 20 20 20 mm
Clear cover to the main reinfocemen = 4& 4& 5&
5& mm
>?ective depth of footing = *52 *5& *52 *5& mm
;rea of reinforcement = 1&*& 1454 145
#pacing of reinft- 3e'"ired = 2.1 216 216 mmProvide #pacing of
$ar = 25 2&& 2&& mm
#pacing $ar provided = ,&& 15& 125 125 mm
#afe #afe #afe
Punc"in$ s"ear c"ec%
;/ial load in the col"mn = ,42&-4& k
et load = 26*&-5 k
>?- epth = *52-&& mm
ength = 1-5 m
:idth = 1-5 m
;rea = ,-& m
#hear resisting area = 6-&>8&6
#hear stress = &-6
;llowa$le p"nching shear stress = &-25@s'rt7fck9
= 1-25
#afe
&'erturnin$ C"ec%
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CHETTINAD CEMENTS-BULK TERMINAL AT ARALVAIMOZHI
PROJECT PROPOSED 8 SPOUT STRUCTURAL PACKING AND LOADING
PLANT
TITLE COMBINED FOOTING
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DOCUMENT NO
JTP!"#"!CCCL!N$L
Re% No Pge
DE'N C()D
RP JTP
&-6 4.000
1-5&
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DOCUMENT NO
JTP!"#"!CCCL!N$L
Re% No Pge
DE'N C()D
RP JTP
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DOCUMENT NO
JTP!"#"!CCCL!N$L
Re% No Pge
DE'N C()D
RP JTP
