Controlled Density Fill (CDF) definition

Controlled Density Fill (CDF). , also called flowable fill, means a mixture of portland cement, fly ash, sand and water. High air (25% plus) may be used instead of fly ash with an adjustment in sand content. CDF is hand-tool excavatable.
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Examples of Controlled Density Fill (CDF) in a sentence

  • Controlled Density Fill (CDF) can be proportioned to be flowable, non-segregating, or excavatable by hand or machine.