Foundation Design: Principles and Practices (3rd Edition)
Foundation Design: Principles and Practices (3rd Edition)
3rd Edition
ISBN: 9780133411898
Author: Donald P. Coduto, William A. Kitch, Man-chu Ronald Yeung
Publisher: PEARSON
Textbook Question
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Chapter 6, Problem 6.1QPP

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

Expert Solution & Answer
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To determine

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

Explanation of Solution

SQUARE FOOTINGCONTINOUS 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.

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