Q3. For the frictionless wall shown in Figure, determine the following: (a) The active lateral earth pressure distribution with depth. (b) The passive lateral earth pressure distribution with depth. (c) The magnitudes and locations of the active and passive forces. (d) The resultant force and its location. Base y at H1 depth- kN/m2 ysat at H2 depth- depth- kN/m2 |O at H1 o at H2 depth- degree H1-m H2-m degree qs-kPa 12 19 19.5 20 25 50

Q3. For the frictionless wall shown in Figure, determine the following: (a) The active lateral earth pressure distribution with depth. (b) The passive lateral earth pressure distribution with depth. (c) The magnitudes and locations of the active and passive forces. (d) The resultant force and its location. Base y at H1 depth- kN/m2 ysat at H2 depth- depth- kN/m2 |O at H1 o at H2 depth- degree H1-m H2-m degree qs-kPa 12 19 19.5 20 25 50

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter12: Lateral Earth Pressure

Section: Chapter Questions

Problem 12.11P

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Concept explainers

System of Forces

A force is an external influence or agent that changes the state of a system. According to Newton's second law, the force applied to a body is proportional to the change in momentum of a body. Hence, whenever a force is applied to a body, its momentum changes. If the body is at rest, under the action of force, its state of rest changes to motion. In other words, the magnitude of the momentum of the body changes from zero to a measurable value. Similarly, if the body possesses some initial velocity, it has some associated momentum, the effect of force can cause the body to halt or come to rest, that is, the momentum reduces to zero.

Question

Q3. For the frictionless wall shown in Figure, determine the following:
(a) The active lateral earth pressure distribution with depth.
(b) The passive lateral earth pressure distribution with depth.
(c) The magnitudes and locations of the active and passive forces.
(d) The resultant force and its location.
Base
y at H1
depth-
kN/m2
ysat at
H2 depth- depth-
kN/m2
O at H1 O at H2
depth-
degree
H1-m
H2-m
degree
lgs-kPa
12
19
19.5
20
25
50

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