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SSC JE CE Previous Year Paper 5 (Held On: 3rd March 2017 Evening)

- (1 + sin θ)/(1 – sin θ)
- (1 + cos θ)/(1 – cos θ)
- (1 – sin θ)/(1 + sin θ)
- None of these

Option 1 : (1 + sin θ)/(1 – sin θ)

Free

ST 22: Geotechnical Engineering

1581

20 Questions
20 Marks
15 Mins

__Concept:__

__Coefficient of Active Earth Pressure Coefficient:__

\({K_a} = \frac{{1 - \sin \left( \phi \right)}}{{1 + \sin \left( \phi \right)}} = {\tan ^2}\left( {45 - \frac{\phi }{2}} \right)\;\)

__Coefficient of Passive Earth Pressure Coefficient:__

\({K_p} = \frac{{1 + \sin \left( \phi \right)}}{{1 - \sin \left( \phi \right)}} = {\tan ^2}\left( {45 + \frac{\phi }{2}} \right)\;\)

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