Shallow Foundations - Bearing Capacity and Settlement, Second Edition
Preface
Shallow Foundations: Bearing Capacity and Settlement was originally published with a 1999 copyright and was intended for use as a reference book by university faculty members and graduate students in geotechnical engineering as well as by consulting engineers. During the last ten years, the text has served that constituency well. More recently there have been several requests to update the material and prepare a new edition. This edition of the text has been developed in response to those requests.
The text is divided into eight chapters. Chapters 2, 3, and 4 present various theories
developed during the past 50 years for estimating the ultimate bearing capacity of
shallow foundations under various types of loading and subsoil conditions. In this edition new details relating to the variation of the bearing capacity factor N
published more recently have been added and compared in Chapter 2. This chapter also has a broader overview and discussion on shape factors as well as scale effects on the bearing capacity tests conducted on granular soils. Ultimate bearing capacity relationships for shallow foundations subjected to eccentric and inclined loads have been added in Chapter 3. Published results of recent laboratory tests relating to the ultimate bearing capacity of square and circular foundations on granular soil of limited thickness underlain by a rigid rough base have been
included in Chapter
4.
Chapter 5 discusses the principles for estimating the settlement of foundations—
both elastic and consolidation. Westergaard’s solution for stress distribution caused by a point load and uniformly loaded flexible circular and rectangular areas has been added. Procedures to estimate the elastic settlement of foundations on granular soil have been fully updated and presented in a rearranged form. These procedures include those based on the correlation with standard penetration resistance, strain influence factor, and the theory of elasticity.
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