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Summary
The reject resulting from the reworking of colliery-waste tips may be utilised for landfill. When the coarser reject is mixed with the tailings from the washing process the mixture presents problems for compaction, which may be alleviated by the addition of cement. A test program was conducted to characterise the geotechnical properties of the cemented material. The properties of the tailings were observed to be governed by the moisture content at which cement was added and the level of effective stress. The properties of the mixed spoil varied according to the proportions of coarse material to tailings. As a result of the testing program conclusions regarding the acceptability of cemented colliery waste for use as a fill material can be made.
Dates of Publication and/or Sequential Designation
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Reproduction Note
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1990. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
