Figure (a) shows a subgrade cross section subjected to a rigid plate bearing testwith load= 8000 Ib.Figure (b) shows the same subgrade section in (a) but with added base course ofthickness h1. Determine the thickness of the subgrade section that couldachieve the same deflection_resulted from_the first case with aplliedload=12000Ib.Poisson ratio =0.5Figure (c) shows the same section in (b) but it is subjected to tire pressure thatmaintain the same deflection. Find the subjected load and find the interfacstress and interface deflection at point A.8000 Ib12000 IbP=??Oo=?Do10 in10 inh1=?12'inh1E = 5000 psiEl = 35000 psiEl = 35000 psiE2 = 5000 psiE2 = 5000 psiFigure (a)Figure (b)Figure (c)

Since the question number to be solved is not specified, the solution for Question a is as follows:…

Answered: Figure (a) shows a subgrade with load…

Engineering

Civil Engineering

Figure (a) shows a subgrade with load cross section subjected to a rigid plate bearing test 8000 Ib.

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

Material Properties

Construction in civil engineering demands high strength, durability, and longevity. These targets can be achieved by better design and analysis, along with the correct choice of materials. Different materials have different properties and hence, they respond and performs differently under the various condition of external loadings. It is therefore a critical task of an engineer to select the right material based on the property that the material is supposed to function in real-time. When speaking about the property, there are different categories of material properties like chemical property, physical property, mechanical property, electrical property, magnetic property, thermal property, etc. These material properties form the basis of material selection in various applications.

Question

Figure (a) shows a subgrade cross section subjected to a rigid plate bearing test
with load
= 8000 Ib.
Figure (b) shows the same subgrade section in (a) but with added base course of
thickness h1. Determine the thickness of the subgrade section that could
achieve the same deflection_resulted from_the first case with apllied
load=12000Ib.
Poisson ratio =0.5
Figure (c) shows the same section in (b) but it is subjected to tire pressure that
maintain the same deflection. Find the subjected load and find the interfac
stress and interface deflection at point A.
8000 Ib
12000 Ib
P=??
Oo=?
Do
10 in
10 in
h1=?
12'in
h1
E = 5000 psi
El = 35000 psi
El = 35000 psi
E2 = 5000 psi
E2 = 5000 psi
Figure (a)
Figure (b)
Figure (c)

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