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The factor that is responsible for inclination of resultant pressure to the retaining wall is __________

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in Geotechnical Engineering II by (93.7k points)
The factor that is responsible for inclination of resultant pressure to the retaining wall is __________

(a) Frictional force

(b) Surcharge

(c) Earth pressure

(d) Weight of the wall

I got this question in homework.

This interesting question is from Active Earth Pressure: Rankine’s Theory topic in chapter Failure Envelopes & Earth Pressure of Geotechnical Engineering II

1 Answer

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by (243k points)
Correct choice is (a) Frictional force

To elaborate: The retaining walls are constructed of masonry or concrete, due to this the frictional force develops. The existence of the friction makes the resultant pressure inclined to the wall at an angle that approaches the frictional angle between the soil and the wall.

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