C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/60, 61/4.3
C04B 7/02 (2006.01) C04B 18/08 (2006.01) E02D 17/18 (2006.01)
Patent
CA 1039318
ABSTRACT The invention relates to a controlled density fill mate- rial and a method of using such fill material in, for examples, the backfilling of sewers, embankments, structures and utility trenches. The material includes Portland cement, fly ash and aggregates. The material, while having some properties of both, is neither a soil nor a concrete.
220435
Brewer William E.
Zimmer Franklin V.
Detroit Edison Company (the)
Kuhlman Corp.
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