7/30/2019 chimney/ring fdn. design
1/3
M(moment)= 24.792 kip-in
P 2.174 kip
e= 11.40386 in
1 Stress from self wt+dead load+Live loadW(S.L+D.L+L.L) = 2.174
kip (staad pro out put)
fs1= 1.531424 ksit= 0.11
2 Stress from lining wtW(lining) = 0 kip (staad pro out put)
fs1= 0 ksi
D= 4.22
3 Stress from windW(wind) = 24.792 kip-in (staad pro out
put)
4*Mw
*d*t1
= 16.99674 ksi -15.47
18.53
Fy= 36 ksi
fall= 23.76 ksifcomp= 18.53 ksi ok
ften= -15.47 ksi ok P= 2.174
M= 24.792
Anchor Bolt
d= 9 in D= 4.22
b= 9 in 2.5 .95D= 4.009 2.5
D= 4.22 in
1.5 1.5
B(bearing capacity)= 2 ksi 0.30
6
3.0 6.06(P*a+M)= = 0.29 d= 9
h*B*b
root = 7.84 ok ch= 0.60
c1 = 2.90 h= 6.0
c2 0.10-6.32 -3.00
c,select = 0.10 T
ch = 0.60 sec 2-2 sec 1-1
T = 3.22 kip all in inch
n = 9.21
dia of anchor bolt = 12.00 mm
= 0.47 inarea of anchor bolt = 0.18 in
capacity of one anchor bolt = 4.16 kip
nos. of anchor bolt in tension = 0.77 nos
Base Plate
Mom on sec 1-1 = -21.67 kip-in
Mom on sec 2-2 = 3.21 kip-in
Mom(max) = 3.21 kip-in
t = 0.3 in
= 7.62 mm
Design of chimney,pipe column
fsw=fs3= ksi
