Civil Engineering Reference
In-Depth Information
Calculate the forces in the members of the truss using the method of tension
coefficients.
Ans
.
EF
=−
3
.
0, EC
=−
15
.
0, EB
=+
12
.
0, FB
=+
5
.
0, FA
=+
4
.
0, FD
=−
10
.
0.
All in kN.
3m
4m
B
A
E
3kN
F
3m
9kN
C
6kN
D
F
IGURE
P.4.10
P.4.11
Fig. P.4.11 shows the plan of a space truss which consists of six pin-jointed
members. ThememberDE is horizontal and 4mabove the horizontal plane containing
A, B and C while the loads applied at D and E act in a horizontal plane. Calculate the
forces in the members.
Ans
.
AD
=
0, DC
=
0, DE
=+
40
.
0, AE
=
0, CE
=−
60
.
0, BE
=+
60
.
0. All in kN.
2m
2m
B
A
4m
40 kN
E
D
80 kN
4m
C
2m
2m
F
IGURE
P.4.11
