Q.3. A retaining wall is shown in Figure 2. Determine Rankine’s active force, Pa, per unit length of the wall. Also determine the location of the resultant. 1.2mSand7, =16.5 kN/m', ¢; = 30°, c{ =0Groundwater table6mSandY, (saturated unit weight) = 19.2 kN/m³- 35(a)Fig. 2Frictionless wall

Active pressure for layer 1PA1 =12Kaγ1H12Ka=1-sinφ'11+sinφ'1 =1-301+30=-0.935PA1…

Answered: 12m Sand 7,-16.5kN/m², o = 30°.q=0…

12m Sand 7,-16.5kN/m², o = 30°.q=0 Groundwater table 6m Sand Y, (saturated unit weighi)= 19.2 kN/m² = 35* Frictionless wall

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter15: Braced Cuts

Section: Chapter Questions

Problem 15.6P

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Question

Q.3. A retaining wall is shown in Figure 2. Determine Rankine’s active force, Pa, per unit length of the wall. Also determine the location of the resultant.

1.2m
Sand
7, =16.5 kN/m', ¢; = 30°, c{ =0
Groundwater table
6m
Sand
Y, (saturated unit weight) = 19.2 kN/m³
- 35
(a)
Fig. 2
Frictionless wall

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