2. Two rods connected as shown carry a vertical load of 20 kN. Rod AB is a steel rod with E = 2 X10³ MPa while rod BC is made up of aluminum whose E = 7x10¹MPa. The rods are rigidly pinned at A and C and have cross-sectional areas equal to 400 mm². If a is changed from 30° to 45°, compute: (a) stresses in each rod. Specify if tensile or compressive stress (b) deformation of each rod. Specify if elongation or shortening. B P=20 KN L=3m α=30° 70=30° L=2m

2. Two rods connected as shown carry a vertical load of 20 kN. Rod AB is a steel rod with E = 2 X10³ MPa while rod BC is made up of aluminum whose E = 7x10¹MPa. The rods are rigidly pinned at A and C and have cross-sectional areas equal to 400 mm². If a is changed from 30° to 45°, compute: (a) stresses in each rod. Specify if tensile or compressive stress (b) deformation of each rod. Specify if elongation or shortening. B P=20 KN L=3m α=30° 70=30° L=2m

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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