Skip to main content

VIEW LARGER COVER

Download Free PDF
Read Free Online
Buy from TRB.org

TRB’s National Cooperative Highway Research Program (NCHRP) Web-Only Document 145: Recommended Practice for Stabilization of Sulfate-Rich Subgrade Soils examines the nature of minerals ettringite and thaumasite, and explores the mechanism of their formation in soils stabilized with lime, cement, or fly ash.

Topics

Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2009. Recommended Practice for Stabilization of Sulfate-Rich Subgrade Soils. Washington, DC: The National Academies Press. https://doi.org/10.17226/22997.

Import this citation to:

Publication Info

8.5 x 11 |  DOI: https://doi.org/10.17226/22997
Chapters skim
Front Matter i-ix
Report Contents 1-2
BACKGROUND 3-4
CHEMISTRY OF ETTRINGITE AND THAUMASITE 5-5
MECHANISMS OF REACTION 6-7
ETTRINGITE FORMATION IN STABILIZED SOILS 8-8
SOURCE OF SULFATES IN SOIL 9-9
THRESHOLD SULFATE LEVELS IN SOILS 10-11
RISK IDENTIFICATION 12-15
CONTROLLING ETTRINGITE FORMATION 16-22
SULFUR CHARACTERIZATION IN SOILS 23-23
METHODS FOR SULFATE QUANTIFICATION IN SOILS 24-27
EVALUATING TECHNIQUES USED IN AASHTO SULFATE TESTING 28-28
RECOMMENDATIONS TO MODIFY AASHTO TEST METHODS 29-31
CONCLUSIONS 32-34
REFERENCES 35-37
STANDARD RECOMMENDED PRACTICE FOR STABILIZATION OF SULFATE-BEARINGSUBGRADE SOILS 38-56

What is skim?

The Chapter Skim search tool presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter. You may select key terms to highlight them within pages of each chapter.

loading iconLoading stats for Recommended Practice for Stabilization of Sulfate-Rich Subgrade Soils...