1.) Given the following properties of a rectangular concrete beam: b = 280mm, d = 480 mm, f'c = 21 MPa, fy = 414 MPa. The beam is reinforced for tension only. Determine the design strength under the following conditions. %3D a.) When the beam is reinforced with three 25 mm diameter bars. b.) When the beam is reinforced with four 25 mm diameter bars. c.) When the beam is reinforced with seven 25 mm diameter bars.

Structural Analysis
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Chapter2: Loads On Structures
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1.) Given the following properties of a rectangular concrete
beam: b = 280mm, d = 480 mm, f'c = 21 MPa, fy = 414 MPa.
The beam is reinforced for tension only. Determine the design
strength under the following conditions.
%3D
a.) When the beam is reinforced with three 25 mm
diameter bars.
b.) When the beam is reinforced with four 25 mm
diameter bars.
c.) When the beam is reinforced with seven 25 mm
diameter bars.
Transcribed Image Text:1.) Given the following properties of a rectangular concrete beam: b = 280mm, d = 480 mm, f'c = 21 MPa, fy = 414 MPa. The beam is reinforced for tension only. Determine the design strength under the following conditions. %3D a.) When the beam is reinforced with three 25 mm diameter bars. b.) When the beam is reinforced with four 25 mm diameter bars. c.) When the beam is reinforced with seven 25 mm diameter bars.
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