FIELD: manufacture of road building materials; highway and aerodrome engineering.
SUBSTANCE: proposed asphalt-concrete mix contains the following components, mass-%: crushed stone, 38-46; natural quartz sand, 40-45; highly-dispersed mineral powder, 8-10; bitumen binder, 5.2-6.0; expanded vermiculite sand, 0.3-0.4; the remainder being product of secondary processing of polypropylene fiber, 6 to 12 mm long and 18 mcm in diameter.
EFFECT: enhanced shear resistance, compressive strength and tensile strength at simultaneous reduction of water absorption.
2 cl, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR ROAD CONCRETE MIX MAKING | 2007 |
|
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|
RU2351703C1 |
| ASPHALT-CONCRETE MIXTURE | 2012 |
|
RU2500635C1 |
