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Structural Concrete - Hassoun

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1024 Appendix C <strong>Structural</strong> Aids<br />

Table C.3<br />

(Continued)<br />

31. Concentrated load at any point:<br />

R A = V A = P − R B<br />

M A =− Pb(L2 − b 2 )<br />

2L 2<br />

R B = V B = Pa2 (b + 2L)<br />

2L3 M A max = 0.193PL when b = 0.577L<br />

M C = Pb<br />

(<br />

2 − 3b<br />

)<br />

2 L + b3<br />

L 3<br />

M C max = 0.174PL when b = 0.366L<br />

Δ C = Pa3 b 2<br />

(4L − a)<br />

3<br />

12EIL<br />

32. Two concentrated loads at one-third points:<br />

R A = V A = 4P 3<br />

R B = V B = 2P 3<br />

M A =− PL<br />

3<br />

M C = PL<br />

9<br />

Δ max =<br />

PL3<br />

65.8EI<br />

M D = 2PL<br />

9<br />

occurs at point = 0.423L from support B

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