Placement of a substantially non-flowable cementitious material

Details Placement of a substantially non-flowable cementitious material Placement of a substantially non-flowable cementitious material

1995-07-28

1996-11-26

Suchfield, George A.

Hydraulic and earth engineering

Earth treatment or control

Chemical

106819, 106823, 106DIG1, 405267, E02D 1500, E02D 2900

Patent

active

055778658

ABSTRACT:
Method of admixing and placing a substantially non-flowable cementitious material into an underground space, such as a mine shaft or the like. In a preferred embodiment, a cement slurry including about 95% Class F fly ash and about 5% hydraulic cement is admixed with an activator using a high intensity mixer to form a substantially non-flowable cementitious material, wherein the substantially non-flowable material is pumped through a conduit and placed into the underground space. The cementitious material does not flow away from the area of placement.

REFERENCES:
patent: 3593799 (1971-07-01), Boughton et al.
patent: 4174226 (1979-11-01), Fitzpatrick et al.
patent: 4257814 (1981-03-01), Kellet et al.
patent: 4618376 (1986-10-01), Saternus et al.
patent: 5141365 (1992-08-01), Smart
patent: 5263797 (1993-11-01), Lindstrom et al.
patent: 5322389 (1994-06-01), Smith
patent: 5419632 (1995-05-01), Stephens

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