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failure of beam

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rajesh pullat

rajesh pullat

Structural
Joined
Apr 2, 2017
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5
Location
IN
Hi
after analysis of a reinforced concrete 10 storey building with seismic analysis in ETABS ( base shear method)
some beams fail as it is red coloured
but i cannot find the reason for failure
the shear strength(tauV<taucmax) is ok ...also percentage of reinforcement < max allowed
Could anyone tell me what else can be the reason for failure
Rajesh
 
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Sometimes red color indicate that you may very close to failure but not failed. But any way pls attach your summary envelop sheet of a said beam produced by etabs
 
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usually if stress level is over 95% of allowable limit , it will indicate in red colour.
 
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