Civil Engineering Reference
In-Depth Information
P.2.5
Calculate the support reactions in the plane trusses shown in Fig. P.2.5(a) and (b).
Ans
. (a)
R
A
=
57 kN upwards,
R
B
=
2 kN downwards.
(b)
R
A,H
=
3713.6N to left,
R
A,V
=
835
.
6N downwards,
R
B
=
4735.3N downwards.
5kN
10 kN
15 kN
15 kN
5 kN
5 kN
B
A
3
2 m
5
2 m
3
2m
(a)
750 N
3000 N
500 N
2000 N
750 N
3000 N
4m
A
B
20 m
F
IGURE
P.2.5
(b)
