1
GATE CE 1990
MCQ (Single Correct Answer)
+2
-0.6
A rectangular simply supported prestressed concrete beam of span $$L$$ is subjected to a prestressing force of $$P$$ acting centrally at end sections and the prestress tendons are parabolically draped with maximum eccentricity of $${e_{\max }}$$ at the mid span section. The uniformly distributed upward load $$(W)$$ on the beam due to prestressing will be:
A
$$16\,\,P\,{e_{\max }}/{L^2}$$
B
$$4\,\,P\,{e_{\max }}/{L^2}$$
C
$$12\,\,P\,{e_{\max }}/{L^2}$$
D
$$8\,\,P\,{e_{\max }}/{L^2}$$
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