| 摘要 |
<p>manufacture of road-building materials; applicable in highway and airfield engineering. SUBSTANCE: asphalt-concrete mix including bitumen binder, crushed stone, sand and highly dispersed mineral powder additionally contains ebonite crumb in form of wastes of storage battery manufacture, with the following amounts of components, wt.%: bitumen binder 6.5-4.5; crushed stone 50-54; sand 34-30; highly dispersed mineral powder 7.5-5.5; the balance, ebonite crumb in form of wastes of storage battery manufacture. EFFECT: higher strength, resistance to cracks and water of offered asphalt- concrete mix used as road-building material. 1 tbl</p> |
