Differentiated asphalt concrete pavement overlay structure convenient and easy to construct based on middle division zone

• Main Authors: WANG HUINING, WANG PING, ZHANG WENTAO, ZHAO QING, HAN XIAOKAI, LI WANPENG, HUANG WEIMING, WANG HAIYANG, YANG MEIKUN, HU YUNZE
• Format: Patent
• Language: Chinese; English
• Published: 30.08.2022
• Subjects: CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE; FIXED CONSTRUCTIONS; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR

The utility model discloses a differentiated asphalt concrete pavement overlay structure convenient and easy to construct based on a median strip, which comprises an asphalt mixture layer and a fine aggregate concrete layer, and the fine aggregate concrete layer is positioned in the road median strip; the asphalt mixture layers are located on the surfaces of the portions, on the two sides of the middle dividing belt, of the roadway, the surface of the fine aggregate concrete layer is coated with a waterproof paint layer, and the waterproof paint layer extends to the asphalt mixture layers on the two sides in the width direction. And the overlay in the middle division zone range is changed into a pouring fine aggregate concrete material, so that the construction difficulty and the construction cost are greatly reduced, and the use of the road is not influenced. And the black waterproof paint layer is arranged on the top surface of the fine aggregate concrete, so that the attractiveness of the road can be guara