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Unformatted text preview: i..- PROBLEM 5.45 5.45 Using the methods of Sec. 5.3, solve Prob. 5.5. 5.1 through 5.6 Draw the. shear and bending-moment diagrams for the beam and
loading shown. SOLUTION
ReAcA’I'ans A: 'D 2 iwCL-Za.)
A+ A V.=A=iw(L~2a)) MA =
O¢x‘°t W=O
VA " "SoaLWo‘aa = 0
V3: = Janna-2a)
M.-M.- 55/44. = SffiwcL-zaw
Ms: fiwCL—2a30.
B-I-aC o.<x<L-aL w=w
V —Va = -S: w also = -‘w(x—a.‘)
v = iwugi’Q—WQ—QJ: E'iw(L-2x)
: v r —,Ew(L-2;J
M.= S:VA¢= aLW(Lx-x‘“)l: i.-= éwaLx -x"- Lani-a?) .45
J7!-
M- M . aw (L-‘24)a.+s-}gw(L>(-x‘- La + c6)
= §w('l:x - x‘- a?)
V¢r -fiw(L--Za) M‘:i(L—Za\a. “awn—25L) ...
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