METHOD OF BLACK RUBBLE PREPARING Russian patent published in 2003 - IPC

Abstract RU 2200717 C2

FIELD: building materials. SUBSTANCE: method involves rubble impregnation at room temperatures with sleeper-impregnating composite (coal oil, shale oil or their mixtures) under excessive pressure 0-6.0 MPa for 120-300 s and the following its stirring with 3.0% of melted rubble of rubble mass up to uniform material covering. The application of such method ensures to reduce rubble crushability (rubble loss at standard thickening) as compared with control (known) methods in average by 2.46-3.72-fold and water absorption after experiments for standard thickening by 2.23-3.96-fold. Invention can be used for bases and covers making in automobile roads. EFFECT: improved method of preparing. 1 tbl

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RU 2 200 717 C2

Authors

Salikhov M.G.

Bashirov D.M.

Gatijatullin M.Kh.

Baronova L.G.

Pushkin E.A.

Dates

2003-03-20—Published

2001-06-04—Filed