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Civil EngineeringFundamentals of Geotechnical Engineering (MindTap Course List)5th Edition
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A smooth vertical wall retains a clay backfill with c ′ = 10 kN/m 2 , ϕ ′ = 25 ° , and γ = 19.0 kN/m 3 . If the clay is in active state, determine the following: a. The maximum tensile stress within the clay b. The depth of the tensile cracks

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Fundamentals of Geotechnical Engin...

5th Edition
Braja M. Das + 1 other
Publisher: Cengage Learning
ISBN: 9781305635180

Solutions

Chapter
Section
Problem 14.1P
Problem 14.2P
Problem 14.3P
Problem 14.4P
Problem 14.5P
Problem 14.6P
Problem 14.7P
Problem 14.8P
Problem 14.9P
Problem 14.10P
Problem 14.11P
Problem 14.12P
Problem 14.13P
Problem 14.14P
Problem 14.15P
Problem 14.16CTP
Problem 14.17CTP
Problem 14.18CTP
Problem 14.19CTP
BuyFindarrow_forward

Fundamentals of Geotechnical Engin...

5th Edition
Braja M. Das + 1 other
Publisher: Cengage Learning
ISBN: 9781305635180
Chapter 14, Problem 14.6P
Textbook Problem
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A smooth vertical wall retains a clay backfill with c′ = 10 kN/m2, ϕ ′ = 25 ° , and γ = 19.0 kN/m3. If the clay is in active state, determine the following:

a. The maximum tensile stress within the clay

b. The depth of the tensile cracks

(a)

To determine

Find the maximum tensile stress within the clay.

Explanation of Solution

Given information:

The cohesion (c′) of the clay backfill is 10 kN/m3.

The drained angle (ϕ′) of friction is 25°.

The unit weight (γ) of the clay is 19.0 kN/m2.

Calculation:

Find the active earth pressure coefficient (Ka) using the equation:

Ka=tan2(45−ϕ′2)

Substitute 25° for ϕ′.

Ka=tan2(45−25°2)=0

(b)

To determine

Find the depth of the tensile cracks.

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Chapter 14 Solutions

Fundamentals of Geotechnical Engineering (MindTap Course List)
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Ch. 14 - State whether the following are true or false. a....Ch. 14 - The backfill retained by a gravity retaining wall...Ch. 14 - Assuming that the wall shown in Figure 14.22 is...Ch. 14 - Figure 14.22 shows a retaining wall with...Ch. 14 - From Figure 14.22, determine the passive force,...Ch. 14 - A smooth vertical wall retains a clay backfill...Ch. 14 - A 5 m high smooth vertical wall is leaning against...Ch. 14 - A retaining wall is shown in Figure 14.23....Ch. 14 - A retaining wall 6 m high with a vertical back...Ch. 14 - Redo Problem 14.9 assuming that the backfill is...
Ch. 14 - A retaining wall 5 m high with a vertical back...Ch. 14 - For the wall described in Problem 14.11, determine...Ch. 14 - A 4-m high smooth vertical wall retains a granular...Ch. 14 - A retaining wall is shown in Figure 14.24. The...Ch. 14 - Consider the retaining wall shown in Figure 14.24....Ch. 14 - Figure 14.25 shows a smooth vertical wall...Ch. 14 - A smooth vertical wall retains a horizontal...Ch. 14 - Figure 14.26 shows a gravity retaining wall...Ch. 14 - Determine the resultant active thrust on the...

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