RCC Structures Design
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 cut-off wall
A key
All listed here
A rib

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RCC Structures Design
An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus

UDL of wall + load from the roof
Triangular load of the wall
UDL of wall
Triangular load + load from the roof

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RCC Structures Design
The self-weight of the footing, is

Also considered for calculating the upward pressure on footing
Both (b) and (c)
Not considered for calculating the upward pressure on footing
Not considered for calculating the area of the footing

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