PROBLEM 5:In the figure shown below, u = 0.3 forall contact surface. ma = 150 kg, mb =200 kgPB40a. If e = 0, find P for motion toimpend to the right.b. If e = 0, find P to just preventthe motion.

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Answered: In the figure shown below, µ = 0.3 for…

In the figure shown below, µ = 0.3 for all contact surface. ma = 150 kg, mb = 200 kg в A 40 a. If e = 0, find P for motion to impend to the right. b. If 0 = 0, find P to just prevent the motion.

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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Braced cuts

The braced cut is a method of providing lateral support to the soil in foundation trenches, to prevent the trenches from deformation by the caving in of soil and resisting it from moving laterally. During shallow excavation in firm soil, generally, slopes are provided to resist the caving in of soil. During shallow excavation in soft soil and deep excavation, the chances of caving in of soil increase. Hence, it becomes necessary to make a provision to resist the deformation of trenches due to caving in of soil. The braced cut is the method used for such conditions. The excavation using braced cuts is a bit uneconomical as compared to the traditional open-cut excavation method but provides better safety than the cut excavation method.

Question

PROBLEM 5:
In the figure shown below, u = 0.3 for
all contact surface. ma = 150 kg, mb =
200 kg
P
B
40
a. If e = 0, find P for motion to
impend to the right.
b. If e = 0, find P to just prevent
the motion.

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