ag/u] 1:41: we, 6/14
/
1.1 T Id 1'
Problem 1 1 wo so 1 cy 1ndncal nods AB and BC are welded together at B and loaded as
shown. Knowing that d} = 50 mm and d2 : 30 mm, nd average normal stress at the
mldsection of (a) rod AB, (b) rod BC.
(OJ Real
AI
Problem 250 2.50 A 4- concrete post is reinforced by four steel bars, each of
Knowing that E, z 29 x 106 psi, .2; = 5.5 x 104/01; and Ec= 3.5 x 106
>< 10'6/°F, determine the normal stresses induced in the steel and in
3. temperature rise of 80°F .