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- W2890137732 abstract "Low sulfide tailing(0.49wt%) samples were prepared into different cemented pastes that were mixed with flocculants(polymerized aluminum chloride) and cement(ordinary Portland cement).The best tailings,binder,flocculant proportion were determined through leaching experiment.By means of analysis such as XRD,SEM-EDS,BET and so on,the microstructure and mechanical characteristics were researched.The result shown that the composition and microstructure of paste tailings are well adjusted and improved compared with ordinary portland cement,so that the mechanical properties and water resistance significantly changed for the better.With the increase in the quantity of binder and flocculant,the specific surface area of paste tailings increases gradually,the unconfined compressive strength increases,too.When curing time is 28 d and the flocculant dosage for tailings paste is 100 g/L,unconfined compressive strength of all paste tailings reach above 2 MPa,it can meet the requirements of mine collapse backfilling." @default.
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- W2890137732 date "2016-01-01" @default.
- W2890137732 modified "2023-09-23" @default.
- W2890137732 title "Microstructure and Mechanical Characteristics of Cemented Paste Tailing Backfill" @default.
- W2890137732 hasPublicationYear "2016" @default.
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