| 摘要 |
building industry, more particularly preparation of road coatings. SUBSTANCE: asphalt-concrete comprises bitumen, sand and mineral fly ash, ratios of components being as follows, wt.%: bitumen, 6.0-7.8; sand, 11.0-24.0; fly ash, 68.2-83.0. EFFECT: increased compression strength at 50 C, simpler preparation of mineral materials. 1 tbl
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