Civil Engineering - Soil Mechanics and Foundation Engineering - Discussion

40. 

The total active earth pressure due to dry back fill with no surcharge, acts at H/3 above the base of the wall and is directly proportional to

[A]. H
[B].
[C]. H2
[D]. H3.

Answer: Option C

Explanation:

No answer description available for this question.

Kunal said: (Jan 10, 2017)  
Why not A?

Mahesh said: (May 14, 2017)  
p = 1/2 w h^2.

Mmm said: (Jun 17, 2017)  
It is asking for pressure not thrust. It should be A.

Raju said: (Dec 23, 2017)  
p = 1/2 w h^2cotθ

Sukumar said: (Feb 22, 2019)  
It is pressure, not active force. So, the answer is "A".

Junaid Khan said: (Oct 28, 2019)  
pa = 1/2 karH^2.

Abhi said: (Jul 14, 2020)  
Pa = Ka * H, So, Why not Option A?

Paramjit Paul said: (Feb 15, 2021)  
Pa=1/2Ka.YH^2.

Where Pa = Active earth pressure force on a unit length of the wall.

Shuva Halder said: (May 24, 2021)  
D. H^3,

Because,
The active earth pressure with no surcharge
Pa=1/2.ka.Y.h^2 acts above the H/3.
Pa= 1/2.ka.Y.H^2.H/3.

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