Question

Required information Problem 10.022. Buckling with Mixed End Conditions A 1-in.-square aluminum strut is maintained in the position shown by a pin support at A and by sets of rollers at Band C that prevent rotation of the strut in the plane of the figure. Given: LAB= 2.8 ft Problem 10.022.a - Buckling with Mixed End Conditions Determine the largest values of LBC and LCD that can be used if the allowable load P is to be as large as possible. (Round the final answers to two decimal places.) The largest value of LBCISO The largest value of LCD is O ft. ft.

Answer 1

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@ Effective length of part AB i Boundary condition one end fixed & one is hinged Le-0.7XLAB = 0.782.8 0. le - 1.96 ft Effective length of_pact BC Boundary andition. Both ends are fixed le- 0.5X LBC - 0. comparing the equations 0 to, we get 2.0.7 XLAB - 0.xls - 0.7x 2.8 -0.5XLBC - Br= 0.782.8 05

182= 3.92 ft Effective length of part co- Le- 2x LED 3 o &o , companing equortion : 0.7LAB= 2x200 0.7X2-8=2x Leo Leo = 0.782-8 lo 20.98 ft