Craig's Soil Mechanics  book cover
9th Edition

Craig's Soil Mechanics

ISBN 9781138070066
Published November 4, 2019 by CRC Press
654 Pages 367 B/W Illustrations

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Book Description

Craig’s Soil Mechanics continues to evolve and remain the definitive text for civil engineering students worldwide. It covers fundamental soil mechanics and its application in applied geotechnical engineering from A to Z and at the right depth for an undergraduate civil engineer, with sufficient extension material for supporting MSc level courses, and with practical examples and digital tools to make it a useful reference work for practising engineers.

This new edition now includes:

  • Restructured chapters on foundations and earthworks, the latter including new material on working platforms and collapse of underground cavities (sinkhole formation).
  • New mobilised-stress-based deformation methods that can straightforwardly be used with both linear and non-linear soil stiffness models and field measurements of shear wave velocity, for serviceability limit state design.
  • Extended sets of correlations for making sensible first estimates of soil parameters, adding deformation-based parameters for broader coverage than the Eighth Edition.
  • Extended section on robust statistical selection of characteristic soil parameters.
  • Greater use of consolidation theory throughout in determining whether actions, processes and laboratory/in-situ tests are drained or undrained.
  • Extended chapter on in-situ testing, adding the Flat Dilatometer Test (DMT), and interpretation of consolidation parameters from CPTU and DMT testing.
  • An updated section on pile load testing.
  • Additional worked examples and end-of-chapter problems covering new material, with fully worked solutions for lecturers.

The electronic resources on the book’s companion website are developed further, with the addition of two new spreadsheet numerical analysis tools and improvement of existing tools from the Eighth Edition. Using these, readers can take real soil test data, interpret its mechanical properties and apply these to a range of common geotechnical design problems at ultimate and serviceability limiting states.

Table of Contents

Part I Development of a mechanical model for soil 1 Basic characteristics of soils 2 Seepage 3 Effective stress 4 Consolidation 5 Soil behaviour in shear 6 Ground investigation 7 In-situ testing Part II Applications in geotechnical engineering 8 Shallow foundations: capacity 9 Shallow foundations: serviceability 10 Deep foundations 11 Retaining structures 12 Earthworks 13 Evaluating geotechnical performance

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Jonathan Knappett is Reader and Discipline Lead for Civil Engineering at the University of Dundee in Scotland. His teaching includes courses in advanced soil and rock mechanics and geotechnical design at BEng, MEng and MSc level, in addition to advanced teaching in earthquake and offshore geotechnical engineering.


Bob Craig is a retired lecturer from the University of Dundee in Scotland.


'The introduction of the chapter on Geotechnical Design (Chapter 13) is particularly welcome, as the subject is an extremely practical aspect of civil engineering and in my experience students struggle to make sensible decisions in terms of geotechnical design. This is particularly the case regarding decisions on reasonable parameter values to use in design.

A particular strength is the inclusion of spreadsheet-based analysis tools. The use of spreadsheets is an extremely useful and indeed relatively powerful way to execute many design calculations in engineering and we are continually encouraging our students to make more use of them. They are particularly useful for parametric studies which are precisely the type of studies which should always be carried out as part of geotechnical design calculations.'

Bill Stewart, Glasgow University, UK

'I have numerous alternate texts on my shelves, but I continue to find Craig superior.'

Amy Rechenmacher, University of Southern California, USA