Question
Download Solution PDFA simply supported beam AB has the bending moment diagram as shown in the following figure. The beam is possibly under the action of following loads:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
The BMD is linear between A and B. It implies that there is no load acting on these segment. there is sudden change of moment and similarily there is sudden change of moment at point. So, couple will act at these points. The magnitude of couple is calculated by calculating the change in BM at these points.
Calculation:
Couple acting at C = Change in BM at C
= 0 - (-M) = M
and, couple acting at D = change in BM at D
= M - (-M) = 2M
Hence, there are couples of M at C and 2 M at D.
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