Question
Download Solution PDFA fixed beam of span L is subjected to a moment M at the centre of span. The fixed end moment is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
The fixed end moments generated due to the application of Moment M on a beam fixed at both ends are shown below:
⇒ MAB =
When the moment is at the center, a = b = L/2
⇒ MBA =
MBA = MAB = M/4
Mistake Points
Here Moment is in Anticlockwise Direction.
MAB =
MBA =
Note: MAB and MBA must have the same sign. a and b, will always be positive which means to have the same sign-on MAB and MBA (3a – L) and (3b – L) must have the same sign.
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