A beam has a width of 300 mm and has an effective depth of 400 mm and has a modular ratio of 9. It is reinforced by 4–28 mm diameter bars. Use WSD: f'c = 20.7 Mpa ; fy = 275 Mpa a. Find the location of the neutral axis measure from the top of the beam. b. Compute for the moment capacity of the beam considering compression alone. c. Compute for the moment capacity of the beam considering pension alone.

Structural Analysis
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Chapter2: Loads On Structures
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A beam has a width of 300 mm and has an effective depth of 400 mm and has a modular ratio of 9. It is reinforced by 4–28 mm diameter bars. Use WSD:

f'c = 20.7 Mpa ; fy = 275 Mpa

a. Find the location of the neutral axis measure from the top of the beam.

b. Compute for the moment capacity of the beam considering compression alone.

c. Compute for the moment capacity of the beam considering pension alone.

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