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- W336720004 abstract "SUMMARY This research is aimed at developing cost effective and environmentally acceptable methods of disposing liquid tailings at existing and new coal mines. Previous laboratory tests by the authors have indicated that tailings from a coal preparation plant when mixed with a suitable percentage of pulverized fuel ash and bentonite/cement mixture can produce a cheaper monolithic material offering acceptable initial pack strength as compared with many established packing systems. This paper aims to develop a cheaper filling material to reduce the cost of the tailing pack system and improve the initial strength of the mixture by using different accelerator and additives. The results indicate that by using Aluminium Sulphate as an accelerator the resulting mixture provides a high initial pack strength exceeding 0.15 MPa at one hour curing time, which is an acceptable pack strength design criterion. The paper presents results of a comprehensive laboratory testing programme for the optimization of constituents at various moisture contents. Strength and deformational properties of the selected mixtures are also presented. These results are very promising and a surface trial utilising this system is envisaged in the near future." @default.
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- W336720004 date "1987-01-01" @default.
- W336720004 modified "2023-09-27" @default.
- W336720004 title "An Investigation into Cheaper Monolithic Packing Materials Utilizing Colliery Tailings" @default.
- W336720004 doi "https://doi.org/10.1016/b978-0-444-42876-9.50034-8" @default.
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