Determine true collaps load of a given continuous beam

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written 7.2 years ago by

teamques10 ★ 70k

• modified 3.9 years ago

Subject: Structure Analysis 2

Topic: Determination of Collaps Load for Beams

Difficulty: Hard

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structural analysis

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1 Answer

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written 7.2 years ago by

teamques10 ★ 70k

No of plastic hinge = N = 6.

1) Let beam AB collapse:

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Using virtual work principle:

EWD = IWD

$240*\gamma = M_PO+ M_P2O + M_PO$

$240*4O = M_PO + M_P2O + M_PO$

$O = \frac{\gamma}{4} \gamma=4O$ (Since O is very small)

$M_P = 240 KN.m$

2) Let Span BC …

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