Asphalt Flexible Sand Asphalt Concrete Composition for Pavement and Construction Methods Using Thereof

摘要

Provided are a flexible sand asphalt concrete composition and a construction method thereof. The flexible sand asphalt concrete composition of the present invention comprises: with respect to 100 parts by weight of asphalt, 1,000 to 1,500 parts by weight of fine aggregate; 8 to 15 parts by weight of rubber powder; 10 to 40 parts by weight of a filler; 10 to 30 parts by weight of slaked lime; 1 to 25 parts by weight of a petroleum resin; 2 to 15 parts by weight of a rubber anti-aging agent; 15 to 40 parts by weight of non-slip particles; 2 to 15 parts by weight of an UV absorbent; 2 to 15 parts by weight of a compatibilizer; 1 to 10 parts by weight of a stabilizer; and 0.5 to 10 parts by weight of a performance improver. The flexible sand asphalt concrete composition of the present invention has excellent low temperature crack resistance, sliding (friction) resistance, and snow melting effects, prevents water retention by securing excellent surface smoothness during construction, and has an impact absorptivity effect of absorbing an impact during falling of a pedestrian by maximizing the ductility of a material.