Civil Engineering Reference
In-Depth Information
x
x
(a)
(b)
P
P
M
V
L
L
/2
L
V
y
y
P
M
P
x
(c)
(d)
x
P
Δ
P
M
/
L
L
L
0.3
L
M
/
L
y
y
M
P
Δ
P
P
FIGURE 6.4
Compression member end conditions: (a) pinned-pinned; (b) fixed-fixed;
(c) fixed-free; (d) fixed-hinged.
A
g
r
2
, the critical buckling stress may be obtained from Equation
Considering
I
=
6.15 as
2
E
(KL/r)
2
.
P
cr
A
g
=
π
F
cr
=
(6.16)
