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Problem 8 (Integration) For the beam and loading shown, use the double-integration method to determine (a) the equation of th

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Answer #1

(a) The equation of the elastic curve for segment AB,

[引學一需一

[$.? — x_7] -401 = 1

(b) The deflection midway between the two supports is,

PL Ymar = (0.0321) EI

(c) The slope at A is,

PL A = 12 EI

(d) The slope at B is,

0B = 6E1 -PL

The detailed solution is given below,

A P E£L2 t Figo Free body diagram {fy=0; RA+Ro = P - *z -KB -0 خمسمعك P (Like) - kgfelzo or = 36 Using equation ® Rhe P-3P Cowe get M - - fx @ we know that or Eldy -- Intepate both sides, . EI dy = -f(x² + c d Indepsate above equation both sides, ElNow, but above value in equation, 6 Now, but rake of G & C in equation (deflection REI Equation 6 & ® one the required equatibut X-Im- 0.5774 in equation P L1(0.5771)-(0.5 221137 12EI P 3 [0.577 (0.577] REI E pL3 70.033127 EI ② slope at A; at A, x=0

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