Building Construction
If (φ) is the angle of repose of soil of weight w kg/m3, the horizontal pressure p at a depth of h meters per metre length of wall, is

wh × √[(1 - sin φ)/(1 + sin φ)]
wh × [(1 - sin φ)/(1 + sin φ)]
(wh/2) × [(1 - sin φ)/(1 + sin φ)]
wh × √[(1 + sin φ)/(1 - sin φ)]

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Building Construction
Which one of the following activities is not correct as applicable to brick corbels

Stretcher bond is generally used for the construction of brick corbel
The discontinuous corbels are used to carry heavy concentrated loads
The maximum projection of each corbel course should be limited to a quarter brick at a time
The maximum projection of the corbel should not be more than the thickness of the wall

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