Answered: A nswers: a) ₁ = 0₂= (1) i i a C C b…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

The pin-connected structure shown in the figure consists of a rigid beam ABCD and two supporting bars. Bar (1) is a bronze alloy [E = 110 GPa] with a cross-sectional area of A1 = 210 mm2. Bar (2) is an aluminum alloy [E = 73 GPa] with a cross-sectional area of A2 = 620 mm2. All bars are unstressed before the load P is applied; however, there is a 2-mm clearance in the pin connection at A. Assume L1 = 2150 mm, a = 1050 mm, b = 630 mm, c = 490 mm, and L2 = 1600 mm. If a load of P = 60 kN is applied at B, determine (a) the normal stresses in both bars (1) and (2). (b) the downward deflection of point A on the rigid bar.

A
nswers:
a) ₁ =
02 =
(1)
i
i
a
C
C
b
MPa
MPa
(2)
D
L2

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