Chapter 6, Problem 6.1QPP

What is the difference between a square footing and a continuous footing, and when would each type be used?

To determine

The difference between a square footing and continuous footing and the use of each footing.

Explanation of Solution

SQUARE FOOTING	CONTINOUS FOOTING
It is generally used to support load on a centrally located column.	It is used to support a load bearing wall.
It is analogous to a cube.	It is analogous to a sidewalk.
Commonly provided when the columns are not closely spaced, and the soil regime is homogeneous.	They are provided when the row of columns is more closely spaced.
It is simple, economical and most widely used footing.	It is more economical to use continuous footing than to provide a Square footing in one queue.

Square footing:

They are usually used to hold poles such as large electric poles, porch columns, etc.

Continuous footing:

These are usually used around the basement/foundation of a structure to keep moisture out.