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Laboratory Analysis of Pozzolan (Fly Ash) Concrete.

Authors
Phillips-EL
Source
MISSING :27 pages
Link
NIOSHTIC No.
10002210
Abstract
The Bureau of Mines conducted laboratory tests on samples of pozzolanic-cement concrete to develop a low-strength backfill. Results show that support costs can be lowered by replacing a portion of the portland cement in mine backfill with pozzolan (fly ash) and lime. Unconfined compression tests on various ratios of fly ash to cement in 84 samples produced compressive-strength curves that can be used to estimate the best backfill mix for any mine.
Publication Date
19810101
Document Type
IH; Report of Investigations
Fiscal Year
1981
NTIS Accession No.
NTIS Price
Identifying No.
RI 8584
NIOSH Division
SRC;
Source Name
MISSING
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