A series of reinforced concrete beams spaced at 7ft 10 in. on centers have a simply supported span of 15 ft. The beams support a reinforced concrete floor slab 3 in. thick. The dimension and reinforcement of the beams are shown in the following figure. Using fy = 60 ksi and f = 3 ksi, determine the design moment strength &M, of a typical interior beam. A 12" 10" 3 #14 7' 10"- 7' 0"- -7' 10"- 7' 10" 10" 3 #14 -7' 10" & -7' 0" 15' 0" 10" A 3 #14

Structural Analysis
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Chapter2: Loads On Structures
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A series of reinforced concrete beams spaced at 7ft 10 in. on centers have a simply supported span
of 15 ft. The beams support a reinforced concrete floor slab 3 in. thick. The dimension and
reinforcement of the beams are shown in the following figure. Using fy = 60 ksi and f = 3 ksi,
determine the design moment strength oMn of a typical interior beam.
A
12"
10"
--7' 10"
3"
3 #14
A
q
-7' 0"-
-7' 10"
7' 10"-
10"
3 #14
-7' 10"
Q
-7' 0"-
15′ 0″
10"
A
3 #14
Transcribed Image Text:A series of reinforced concrete beams spaced at 7ft 10 in. on centers have a simply supported span of 15 ft. The beams support a reinforced concrete floor slab 3 in. thick. The dimension and reinforcement of the beams are shown in the following figure. Using fy = 60 ksi and f = 3 ksi, determine the design moment strength oMn of a typical interior beam. A 12" 10" --7' 10" 3" 3 #14 A q -7' 0"- -7' 10" 7' 10"- 10" 3 #14 -7' 10" Q -7' 0"- 15′ 0″ 10" A 3 #14
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