In case the factor of safety against sliding is less than 1.5, a portion of slab is constructed downwards at the end of the heel slab, which is known as___________________?

In case the factor of safety against sliding is less than 1.5, a porti

1.	In case the factor of safety against sliding is less than 1.5, a portion of slab is constructed downwards at the end of the heel slab, which is known as___________________?
A.	A key
B.	A cut-off wall
C.	A rib
D.	All the above
Answer» E.

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In case the factor of safety against sliding is less than 1.5, a portion of slab is constructed downwards at the end of the heel slab, which is known as___________________?

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