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Unformatted text preview: ’=3,500 psi and f y =60,000 psi for longitudinal tension reinforcement. 3) For the beam given in problem (2), draw shear force V u diagrams for: ( i ) factored dead load on the entire beam, ( ii ) factored live load on the left half of the beam, ( iii ) factored live load on the right half of the beam. Superimpose diagrams to obtain the V u shear force envelope (see Lecture 9 notes on shear). Design shear reinforcement using #3 double leg stirrups with f yt =40,000 psi. Determine the maximum stirrup spacing at the critical section for shear. Also determine the distance x from the support where the required shear strength equals the concrete shear strength or (V u / Φ ) = V c , and therefore minimum shear reinforcement will be adequate. Specify the maximum spacing of #3 double leg stirrups in the minimum shear reinforcement zone that is past the distance x from the support....
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This document was uploaded on 03/03/2010.
 Spring '09

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