A cross section of an engineering structure made of steel is shown in the Figure. For an applied torque of T = 175 N.m, (a) determine how much torque is carried by each of the two cross-sectional components and (b) the angle of twist per unit length. The shear modulus G = 200 GPa. (Neglect the stress concentrations). 45 mm 40 mm 4 mm 60 mm 4 mm 4 mm 120 mm 6 mm

A cross section of an engineering structure made of steel is shown in the Figure. For an applied torque of T = 175 N.m, (a) determine how much torque is carried by each of the two cross-sectional components and (b) the angle of twist per unit length. The shear modulus G = 200 GPa. (Neglect the stress concentrations). 45 mm 40 mm 4 mm 60 mm 4 mm 4 mm 120 mm 6 mm

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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Concept explainers

Bars

In civil engineering, bars refer to steel reinforcement bars or rebars. These are structural members primarily used for reinforcement purposes in masonry works. A bar is characterized by its cross-sectional area, which is negligible compared to its length. Bars are usually manufactured by steel which is uniform throughout the length, or by meshing multiple steel wires. Other materials of the bar include carbon steel, glass fiber, carbon fiber, and basalt fiber. The reinforcing bars are coated with epoxy resins and other materials to enhance some of their properties including corrosion resistance.

Question

A cross section of an engineering structure made of steel is shown in the Figure. For an
applied torque of T = 175 N.m, (a) determine how much torque is carried by each of the two
cross-sectional components and (b) the angle of twist per unit length. The shear modulus G
= 200 GPa. (Neglect the stress concentrations).
45 mm
40 mm
4 mm
60 mm
4 mm
4 mm
120 mm
6 mm

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