at2btit₁ To (a) Find the forsional stiffness of the chanel section Shown,Polov (STIDEESridotsWON(6) consider a structure for which +₁ = 3/4 inch, t₁ = 1/2 inch,6=4 inches, a = 6 inches and G = 3X107 psi. Determinethe angle of twist per unit length when the structureis subjected to a torave of 25,000 1b-ins.C) If the total length of the structure of Part (b) is 6ft,and the shaft is fixes at one end, determine themaximum angle of twist. What is the angle of twist at half-span?

The section given is channel section. It is required to find torsional stiffness, maximum angle of…

Answered: a t2 b t₁ t₁

Engineering

Civil Engineering

a t2 b t₁ t₁

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

To (a) Find the forsional stiffness of the chanel section Shown,
Polov (STIDEES
ridots
WON
(6) consider a structure for which +₁ = 3/4 inch, t₁ = 1/2 inch,
6=4 inches, a = 6 inches and G = 3X107 psi. Determine
the angle of twist per unit length when the structure
is subjected to a torave of 25,000 1b-ins.
C) If the total length of the structure of Part (b) is 6ft,
and the shaft is fixes at one end, determine the
maximum angle of twist. What is the angle of twist at half-span?

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Step 1: Given data:

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Step 2: Calculation of torsion constant

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Step 3: Calculation of torsion stiffness

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Step 4: Angle of twist per unit length

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Step 5: Angle of twist calculation

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