RCC Structures Design
The design of heel slab of a retaining wall is based on the maximum bending moment due to:

All listed here
Load of the surcharge, if any
Weight of the soil above it
Its own weight

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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

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

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