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This paper will present a proposed new ASTM standard “Standard Practice for Installing Buried Pipe Using Flowable Fill” describing how to use “flowable fill” (CLSM, CDF, Soil-Cement Slurry) for installing buried pipe. There are six different ASTM Committees that prepare and oversee standards for pipe products and their installation. Rather than the six different committees developing separate flowable fill installation standards for their particular pipe, there should be only one standard for the engineering community to use. Contractors and specifiers should be more willing to use flowable fill if there is only one set of procedures and instructions. Familiarity with the material and its application may reduce the cost of installing pipe.
controlled low strength material, CLSM, flowable fill, pipe, underground installation, field tests, construction control, quality control, embedment, backfill, soil stabilization
Consulting Civil Engineer, Lakewood, CO