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Principles of Geotechnical Enginee...

9th Edition
Braja M. Das + 1 other
ISBN: 9781305970939

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BuyFindarrow_forward

Principles of Geotechnical Enginee...

9th Edition
Braja M. Das + 1 other
ISBN: 9781305970939
Textbook Problem

The 5-m high retaining wall in Figure 13.40c is subjected to a surcharge strip load of q = 105 kN/m2 on the ground surface. Determine the total force per unit length of the wall due to the strip loading only.

images

(c)

Figure 13.40

To determine

The total force per (P) unit length of the wall due to the strip loading.

Explanation

Given information:

The strip load (q) is 105kN/m2.

The starting point (a) of load from the retaining wall is 1.5 m.

The length (b) of the load is 0.75 m.

The height (H) of the retaining wall is 5 m.

Calculation:

Determine the angle θ1 using the formula.

θ1=tan1(bH)

Substitute 0.75 m for b and 5 m for H.

θ1=tan1(0.755)=8.53°

Determine the angle θ2 using the formula.

θ2=tan1(a+bH)

Substitute 1.5 m for a, 0.75 m for b, and 5 m for H

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