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The portion of backfill lying above a horizontal plane of wall is called ________

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+1 vote
in Geotechnical Engineering II by (93.8k points)
The portion of backfill lying above a horizontal plane of wall is called ________

(a) surcharge

(b) base

(c) foot

(d) truss

This question was addressed to me in unit test.

The origin of the question is Earth Pressure Introduction topic in chapter Failure Envelopes & Earth Pressure of Geotechnical Engineering II

1 Answer

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by (243k points)
Correct option is (a) surcharge

The best I can explain: The portion of backfill lying above a horizontal plane of wall is called as the surcharge. The surcharge is a load which is imposed upon the surface of the soil close enough to the excavation to cause a lateral pressure to act on the system in addition to the basic earth pressure.

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