Figure Q1 shows a cross section for a reinforced concrete beam. The characteristic strengths of the concrete and steel reinforcement are 30 N/mm² and 500 N/mm², respectively. (i) Determine ultimate moment of resistance of the beam. (ii) If the beam is simply supported over a 6 m length and subjected to a concentrated load at the mid-span. Calculate the maximum concentrated load based on the moment capacity in Q1(b)(i). Ignore the self-weight.

Structural Analysis
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Chapter2: Loads On Structures
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90 200 90
Void
3H25
Figure Q1
90
200
90
300
All unit are
in mm
Transcribed Image Text:90 200 90 Void 3H25 Figure Q1 90 200 90 300 All unit are in mm
(b) Figure Q1 shows a cross section for a reinforced concrete beam. The
characteristic strengths of the concrete and steel reinforcement are 30 N/mm²
and 500 N/mm², respectively.
(i) Determine ultimate moment of resistance of the beam.
(ii) If the beam is simply supported over a 6 m length and subjected to a
concentrated load at the mid-span. Calculate the maximum concentrated
load based on the moment capacity in Q1(b)(i). Ignore the self-weight.
Transcribed Image Text:(b) Figure Q1 shows a cross section for a reinforced concrete beam. The characteristic strengths of the concrete and steel reinforcement are 30 N/mm² and 500 N/mm², respectively. (i) Determine ultimate moment of resistance of the beam. (ii) If the beam is simply supported over a 6 m length and subjected to a concentrated load at the mid-span. Calculate the maximum concentrated load based on the moment capacity in Q1(b)(i). Ignore the self-weight.
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