Mumbai University > Civil Engineering > Sem 5 > Transportation Engineering 1

Marks: 5M

Year: Dec 2015

Combined footing:- combine footing supports two or more column loads. These may be continuous, with rectangular or trapezoidal in plan. It is provided when the footing overlaps and when the exterior column is close to the property line with the result symmetrical isolated footing cannot be provided.

Type of combined footing.

1. Rectangular footing.
2. Trapezoidal footing
3. Strap or cantilever footing

4. Beam and slab footing.

   Example.

   Trapezoidal footing. Trapezoidal footing is necessary if the footing cannot project the required distance beyond the column face or if the external column near the property line is heavily loaded.