Paste Composition For Backfilling Underground Coal Mines And Method Of Preparation Thereof

Abstract: “PASTE COMPOSITION FOR BACKFILLING UNDERGROUND COAL MINES AND METHOD OF PREPARATION THEREOF” ABSTRACT 5 A paste composition for backfilling underground coal mines and a method (100) of preparation thereof are disclosed. The paste composition includes a plurality of components mixed in a predefined proportion including a sand mixture of a first grain proportion of about 0% to 10%, bed ash of a second grain proportion ranging from 0% to 30%, fly ash of a third grain proportion ranging from 70% 10 to 97%, a cement composition of a range of 2% to 12%, an accelerator composition of about 0.01% to 0.1%, rheological additives of about 0.2% to 4%, and water of about 20% to 40%. [Figure 1]

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