Method of bedding a conduit using controlled density fill materi

Details Method of bedding a conduit using controlled density fill materi Method of bedding a conduit using controlled density fill materi

1975-12-03

1977-12-13

Gilliam, Paul R.

F16L 104, C04B 1322, B63B 3504

Patent

active

040621952

ABSTRACT:
The invention relates to a controlled density fill material 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.

REFERENCES:
patent: 1782748 (1930-11-01), Smith
patent: 2250107 (1941-07-01), Nelles
patent: 2414734 (1947-01-01), Gelbman
patent: 2527766 (1950-10-01), Rule
patent: 2622984 (1952-12-01), Keyishian
patent: 3719511 (1973-03-01), Bevard et al.

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