Design the amount of reinforcement for a maximum positive moment in beam DEF. Present your answer in mm2 and the number of 20mm bars required. Consider T-beam action if possible. 5.2. Design the amount of reinforcement for a maximum negative moment in beam DEF. Present your answer in mm2 and the number of 20mm bars required. Consider T-beam action if possible.
Reinforced concrete beams 300 mm wide and 500 mm deep are spaced 2.5 m on centers. The beams support a slab 100 mm thick carrying a superimposed dead load of 3 kPa and a live load of 4.8 kPa. In the typical frame shown below, columns E and H are removed so that girder BEHK supports beams DEF at E and GHI at H. Concrete weighs 24 kN/m3. Use 20mm bars and 10 mm stirrups. Concrete strength is f’c = 21 MPa and steel yield strength fy= 275 MPa
5.1. Design the amount of reinforcement for a maximum positive moment in beam DEF. Present your answer in mm2 and the number of 20mm bars required. Consider T-beam action if possible.
5.2. Design the amount of reinforcement for a maximum negative moment in beam DEF. Present your answer in mm2 and the number of 20mm bars required. Consider T-beam action if possible.
![A
D
G
6 m
B
[T]
E
H
K
6 m
C
IF
2.5 m
2.5 m
2.5 m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffd4bc2b3-b346-42fb-935d-eef18878e8b0%2F2f3e17ff-f678-42f1-9d22-57a02a0ffd50%2Ftm24iun_processed.png&w=3840&q=75)
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