Answered: 15 ft E В D - 4 at 10 ft = 40 ft– a =…

Engineering

Civil Engineering

15 ft E В D - 4 at 10 ft = 40 ft– a = 6.5(10-6/°F (a)

Residential Construction Academy: House Wiring (MindTap Course List)

4th Edition

ISBN:9781285852225

Author:Gregory W Fletcher

Publisher:Gregory W Fletcher

Chapter1: Residential Workplace Safety

Section: Chapter Questions

Problem 12RQ

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Concept explainers

Loads and Reactive Forces

Loads are the external influences that a beam experiences under its working conditions. For instance, a beam may be subjected to shear loads, twisting loads, bending moment, and axial loads during its working conditions. Engineers primarily deal with beams and trusses in the civil engineering domain. Due to the influence of loads, it is very crucial to determine the induced stresses and deformation values. These values give an insight into the critical area of the beam that needs to be worked upon to make it fail-safe.

Question

Determine the vertical deflection at joint C of the truss shown in Fig. 7.8(a) due to a temperature drop of 15 F 8 in members AB and BC and a temperature increase of 60 F 8 in members AF, FG, GH, and EH. Use the virtual work method

15 ft
E
В
D
- 4 at 10 ft = 40 ft–
a = 6.5(10-6/°F
(a)

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