The Design And Application Of Controlled Low Strength Materials Flowable Fill
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The Design and Application of Controlled Low-strength Materials (flowable Fill)
Focuses on a type of material mainly used in place of compacted backfill for pipe embedment and backfill, but gaining widely in applications. It is a mixture of cementitious material, soil, water, and sometimes fly ash and admixtures. Here 26 papers, from a June 1997 symposium in St. Louis, Missouri, describe new design procedures, new applications, and installation innovations in order to help assess the need for new or revised standards. They cover ingredients, properties, test methods, standards and specifications, case histories, and pipeline applications. The five current standards are appended. Annotation copyrighted by Book News, Inc., Portland, OR
Innovations in Controlled Low-strength Material (flowable Fill)
Get the latest information on Controlled Low-Strength Material (CLSM), including new design procedures, current research, unique project applications, and innovative installation techniques. Also known as flowable fill, CLSM is used in place of compacted backfill or unsuitable native soil with the most common uses as pipe embedment and backfill. It continues to gain acceptance in the construction industry and helps create higher quality products. Eleven peer-reviewed papers highlight the innovations in technology, test methods and material science that have occurred during the evolution of CLSM. Sections include: Innovative Ingredients-explores the use of non-traditional ingredients in CLSM and determines their suitability or limitations. Engineering Property Analysis-covers the engineering properties for certain applications of CLSM and includes papers that utilize existing ASTM test methods as well as explored new methods to measure parameters, such as excavatibility. Pipeline Applications-addresses some of the issues related to pipeline design since one of the most common uses for CLSM is pipe backfill. As an added bonus you get five current ASTM standards on CLSM developed by Committee D18 on Soil and Rock. This new publication is a valuable resource for engineers (civil, geotechnical, structural, and transportation); contractors; salesmen, technical service managers, and quality control managers for the ready-mix, admixture, cement, and fly ash industries; FHA and EPA field engineers; and university professors.
Development of a Recommended Practice for Use of Controlled Low-strength Material in Highway Construction
Author: Kevin J. Folliard
language: en
Publisher: Transportation Research Board National Research
Release Date: 2008
Explores the use of controlled low-strength material (CLSM) in highway construction applications, in particular, as backfill, utility bedding, and void fill and in bridge approaches. The report also examines a recommended practice for the use of CLSM that was developed through a series of full-scale field experiments. This report presents the full text of the contractor's final report of the project and three of the five appendices, which present the test methods (Appendix B), specifications (Appendix C), and practice (Appendix D) recommended for implementation. The corrosion study (Appendix A) and implementation plan (Appendix E) are available online as NCHRP Web-Only Document 116.