Problems 73
a c
b d
Fig. P3.1
3.2.Vertical settlement of supportAof the beam in Fig. P3.2 causes appearance of
internal forces in the portion
1.ABC;2.CDE;3.Nowhere;4.Everywhere
A B
E
DF
C
Fig. P3.2
3.3.Beam in Fig. P3.3 is subjected to changeof temperature. As a result, internal
forces appear in the portion
1.ABC;2.CDE;3.Nowhere;4.Everywhere
ADB
C
E
Fig. P3.3
3.4.Find direction of all reactions if uniformly distributed load is located within
portionCD(Fig. P3.4)
A C
B
E
D
Fig. P3.4
Ans.RA<0.#/;RC>0."/;RED 0.