IM No.: IM-C12.1Given: H = 12 ft, q = 0, y = 108 lb/ft', c' = (0, and o' 30°.Determine the at-rest lateral earth force per foot length of the wall. Also, find thelocation of the resultant. Use Eq. (12.4) and OCR = 2.12.2Usethe following values to determine the at-rest lat-eral earth force per unit length of the wall. Also find the location of the resultant.H = 5 m, H, = 2 m, H, = 3 m, y = 15.5 kN/m', y = 18.5 kN/m', ' = 34°,c' = 0, q = 20 kN/m², and OCR = 1.12.3Given the height of the retaining wall, H is 18 ft; the backfillis a saturated clay with o = 0°, c = 500 lb/ft,y = 120 Ib/ft",a. Determine the Rankine active pressure distribution diagram behind the wall.b. Determine the depth of the tensile crack, z..c. Estimate the Rankine active force per foot length of the wall before and after theoccurrence of the tensile crack.12.4 A vertical retaining wallis 7 m high with a horizontal backfill. Forthe backfill, assume that y = 16.5 kN/m', ' = 26°, and c' = 18 kN/m2. Determinethe Rankine active force per unit length of the wall after the occurrence of the tensilecrack.For the retaining wall, determine the Rankine activeforce per unit length of the wall and the location of the line of action of the12.5resultant.12.6For the retaining wall, H = 8 m, 6' = 36°, a = 10°,y = 17 kN/m', and c' = 0.a. Determine the intensity of the Rankine active force at z = 2 m, 4 m, and 6 m.b. Determine the Rankine active force per meter length of the wall and also thelocation and direction of the resultant.Given: H = 7 m, y = 18 kN/m', o' = 25°, c' = 12 kN/m2,and a = 10°. Calculate the Rankine active force per unit length of the wall after the12.7occurrence of the tensile crack,GroundwatertableHFigure P12.2

As per our guidelines the solutions for the first three questions is below. 12.1

Given: H = 12 ft, q = 0, y = 108 lb/f, c' = 0, and o' = 30°. 12.1 Determine the at-rest lateral earth force per foot length of the wall. Also, find the location of the resultant. Use Eq. (12.4) and OCR = 2. the following values to determine the at-rest lat- 12.2 Use cral earth force per unit length of the wall. Also find the location of the resultant. H = 5 m, H, = 2 m. H2 = 3 m, y = 15.5 kN/m', ya c' = 0, q = 20 kN/m², and OCR = 1. 18.5 kN/m', 4' = 34°, %3D 12.3 Given the height of the retaining wall, H is 18 ft; the backfill is a saturated clay with o = 0°, c = 500 lb/ft,y = 120 Ib/ft', a. Determine the Rankine active pressure distribution diagram behind the wall. b. Determine the depth of the tensile crack, z.- c. Estimate the Rankine active force per foot length of the wall before and after the occurrence of the tensile crack.

Given: H = 12 ft, q = 0, y = 108 lb/f, c' = 0, and o' = 30°. 12.1 Determine the at-rest lateral earth force per foot length of the wall. Also, find the location of the resultant. Use Eq. (12.4) and OCR = 2. the following values to determine the at-rest lat- 12.2 Use cral earth force per unit length of the wall. Also find the location of the resultant. H = 5 m, H, = 2 m. H2 = 3 m, y = 15.5 kN/m', ya c' = 0, q = 20 kN/m², and OCR = 1. 18.5 kN/m', 4' = 34°, %3D 12.3 Given the height of the retaining wall, H is 18 ft; the backfill is a saturated clay with o = 0°, c = 500 lb/ft,y = 120 Ib/ft', a. Determine the Rankine active pressure distribution diagram behind the wall. b. Determine the depth of the tensile crack, z.- c. Estimate the Rankine active force per foot length of the wall before and after the occurrence of the tensile crack.

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

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IM No.: IM-C
12.1
Given: H = 12 ft, q = 0, y = 108 lb/ft', c' = (0, and o' 30°.
Determine the at-rest lateral earth force per foot length of the wall. Also, find the
location of the resultant. Use Eq. (12.4) and OCR = 2.
12.2
Use
the following values to determine the at-rest lat-
eral earth force per unit length of the wall. Also find the location of the resultant.
H = 5 m, H, = 2 m, H, = 3 m, y = 15.5 kN/m', y = 18.5 kN/m', ' = 34°,
c' = 0, q = 20 kN/m², and OCR = 1.
12.3
Given the height of the retaining wall, H is 18 ft; the backfill
is a saturated clay with o = 0°, c = 500 lb/ft,y = 120 Ib/ft",
a. Determine the Rankine active pressure distribution diagram behind the wall.
b. Determine the depth of the tensile crack, z..
c. Estimate the Rankine active force per foot length of the wall before and after the
occurrence of the tensile crack.
12.4 A vertical retaining wall
is 7 m high with a horizontal backfill. For
the backfill, assume that y = 16.5 kN/m', ' = 26°, and c' = 18 kN/m2. Determine
the Rankine active force per unit length of the wall after the occurrence of the tensile
crack.
For the retaining wall, determine the Rankine active
force per unit length of the wall and the location of the line of action of the
12.5
resultant.
12.6
For the retaining wall, H = 8 m, 6' = 36°, a = 10°,
y = 17 kN/m', and c' = 0.
a. Determine the intensity of the Rankine active force at z = 2 m, 4 m, and 6 m.
b. Determine the Rankine active force per meter length of the wall and also the
location and direction of the resultant.
Given: H = 7 m, y = 18 kN/m', o' = 25°, c' = 12 kN/m2,
and a = 10°. Calculate the Rankine active force per unit length of the wall after the
12.7
occurrence of the tensile crack,
Groundwater
table
H
Figure P12.2

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