No. 2. A rigid bar ABCD is pinned at end A and supported by two cables at points B and c (see figure). The cable at B has nominal diameter dB 12 mm and the cable at C has nominal diameter dC = 20 mm. A load P acts at end D of the bar. What is the allowable load P if the temperature rises by 60°C and each cable is required to have a factor of safety of at least 5 against its ultimate load? Note: The cables have effective modulus of elasticity E= 140 GPa and coefficient of thermal expansion = 12 x 10-6/°C. The ultimate tensile load for bars B and C are 102 kN and 231 kN, respectively. -dc B 2b 2b P Figure No. 2

No. 2. A rigid bar ABCD is pinned at end A and supported by two cables at points B and c (see figure). The cable at B has nominal diameter dB 12 mm and the cable at C has nominal diameter dC = 20 mm. A load P acts at end D of the bar. What is the allowable load P if the temperature rises by 60°C and each cable is required to have a factor of safety of at least 5 against its ultimate load? Note: The cables have effective modulus of elasticity E= 140 GPa and coefficient of thermal expansion = 12 x 10-6/°C. The ultimate tensile load for bars B and C are 102 kN and 231 kN, respectively. -dc B 2b 2b P Figure No. 2

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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