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bedding and backfill, void fill, and bridge approaches; (2) for Describes materials and mixture proportions used in
these applications, to define test methods and develop crite- laboratory program
ria for the necessary properties of CLSM, including its corro- Summarizes results of tests on fresh properties, hard-
sion potential and possible environmental impact; (3) to de- ened properties, and durability aspects of CLSM
fine the relationships between the properties of CLSM and its · Chapter 4, Field Evaluations of CLSM
constituents; (4) to define field methods to monitor in-place Describes six field tests conducted throughout the
properties of CLSM for construction acceptance; and (5) to United States
prepare design criteria and construction guidelines for CLSM Summarizes efficacy of test methods and specifications
to take advantage of its properties for backfill, utility bedding, in field applications
void fill, and bridge approaches. · Chapter 5, Conclusions and Suggested Research
Summarizes key findings and conclusions from project
Identifies topics and issues that deserve further atten-
Overview of Report
tion in future research
The report is organized as follows: · Appendices
Appendix A, Corrosion Study (available in NCHRP
· Chapter 2, State of the Art and Current Practice Web-Only Document 116)
Provides synthesis of current practice and available lit- Appendix B, Recommended Test Methods for CLSM
erature on CLSM. Appendix C, Recommended Specifications for CLSM
Describes materials, mixture proportions, applications, Appendix D, Recommended Practice for CLSM
relevant properties of CLSM, and research needs Appendix E, Implementation Plan (available in NCHRP
· Chapter 3, Laboratory Testing Program Web-Only Document 116)
