Answered: 1=0.125 in. b = 20 in. h = 3.5 in. bz =…

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1=0.125 in. b = 20 in. h = 3.5 in. bz = 30 in. b = 2.0 in. P= 150 Ib PROBLEM 8.5-25

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter11: Columns

Section: Chapter Questions

Problem 11.2.15P: Repeat Problem 11.2-14 using L = 12 ft, ß = 0.25 kips/in., ßRl= 1.5ßL2, and ßR2= 2 ßR1.

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Concept explainers

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

Question

An L-shaped bracket lying in a horizontal plane supports a load P =1501b (see figure). The bracket has a hollow rectangular cross section with thickness t =0,125 in. and outer dimensions b = 2,0 in. and Ji = 3,5 in. The centerline lengths of the arms are fy = 20 in, and b:z=30 in.

Considering only the load P, calculate the ma.xjmum tensile stress ut,maximum

compressive stresserCJ and maximum shear stressTmaK at point A,which is located on the top of the bracket at the support,

1=0.125 in.
b = 20 in.
h = 3.5 in.
bz = 30 in.
b = 2.0 in.
P= 150 Ib
PROBLEM 8.5-25

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