students the essential properties of soils and their behavior under stress and strain and provides clear, step-by-step explanations for conducting typical soil tests. The careful explanations of laboratory procedures help foster students' independence, reduce errors, and improve safety. Written by Braja M. Das, respected author of acclaimed texts in geotechnical and foundation engineering, this manual also provides a detailed discussion of the AASHTO Classification System and the Unified Soil Classification System.This seventh edition is enhanced by five appendices, including the newly added Appendix E that contains semi-log and linear duplicate graph paper.FeaturesComprehensive selection of class-tested labsNew photograph program to better illustrate textual materialIncludes sample calculations and graphs relevant to each laboratory testIncludes blank, perforated data sheets (accompanying each test) for ease-of-use in the laboratory and teaching simple, best-practice report preparationProvides references and five useful appendices:Appendix A: Weight-Volume RelationshipsAppendix B: Conversion FactorsAppendix C: Data Sheets for Laboratory ExperimentsAppendix D: Data Sheets for Preparation of Laboratory ReportsAppendix E: Semi-log and Linear Duplicate Graph Paper

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