Civil Engineering Reference
In-Depth Information
1
R
=
=
.
9 22
kip/in
01
A B
+
b. Diagonal members
3
a
EI
v
A
=
=
0 163
.
in/kip
3
2
l d
EI
b
B
=
=
0 037
.
in/kip
2
2
R
=
=
.
9 98
kip/in
02
A B
+
c. Considering all parts
3
l
a
4
I
=
I
+
2
I
=
481 712
.
in
eq
v
d
3
l
EI
eq
A
=
=
0 041
.
in/kip
3
2
l d
EI
b
B
=
=
0 025
.
in/kip
2
1
R
=
=
15 099
.
kip/in
02
A B
+
2. Calculating the buckling load
Calculate
b
R
c
0
b
=
=
0 08388
.
π
2
EI
L
t
P
=
=
116 6966
.
kip
e
4
bL
EI
t
=
579
.658
16
Hence from the table: 1/
m
= 0.198
2
P m P
cr
=
=
2988 66
.
kip
(
13 293 6
,
.
kN
)
e
Search WWH ::
Custom Search