LOADING
Question
For maximum sagging bending moment at support in a continuous RC beam, live load should be placed on
A.
spans adjacent to the support plus alternate spans
B.
all the spans except the spans adjacent to the support
C.
spans next to the adjacent spans of the support plus alternate spans
D.
spans adjacent to supports only
Answer ( Option C)

spans next to the adjacent spans of the support plus alternate spans

Solution

So, from the fig., for maximum sagging moment at support in a continuous RC beams live load should be placed on span next to the adjacent spans of the support plus alternate spans.

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