A composite beam spans a distance of L= 12 ft and is fabricated by adhering two wooden boards (b 2 in., d-8 in. and E 1,500 ksi) to the sides of a steel plate (f 0.4 in., d 8 in. and E-30,000 ksi). 400 Ib 400 Ib 200 lb/ft -3 ft -6 ft- 3 ft- V (Ib) 600 400 x (ft) 12 -400 -600 1. For the given loading condition, determine the maximum normal stress in the steel plate. M (lb-ft)
A composite beam spans a distance of L= 12 ft and is fabricated by adhering two wooden boards (b 2 in., d-8 in. and E 1,500 ksi) to the sides of a steel plate (f 0.4 in., d 8 in. and E-30,000 ksi). 400 Ib 400 Ib 200 lb/ft -3 ft -6 ft- 3 ft- V (Ib) 600 400 x (ft) 12 -400 -600 1. For the given loading condition, determine the maximum normal stress in the steel plate. M (lb-ft)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A composite beam spans a distance of L= 12 ft and is fabricated by adhering two wooden
boards (b= 2 in., d= 8 in. and E = 1,500 ksi) to the sides of a steel plate (t = 0.4 in., d = 8 in.
and E= 30,000 ksi).
400 lb
400 Ib
200 lb/ft
d
-3 ft-
3 ft
V (lb)
-6ft
600
400
(ft)
12
-400
-600
1. For the given loading condition,
determine the maximum normal stress
M (lb-ft)
in the steel plate.
A) 3,850 psi
+x (ft)
B) 1,550 psi
-300
C) 2,250 psi
D) 4,200 psi
-1200
- 1200
E) None of the Above
2. If the allowable normal stress of the steel is 9,000 psi and the 200 lb/ft distributed load
remians constant, determine the largest acceptable concentrated load on each end.
A) 1,600 lb
B) 2,325 lb
C) 935 lb
D) 860 lb
E) None of the Above
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