Asphalt pavement based on full-depth foamed asphalt in-situ cold recycling

• Main Authors: LIU ZHIPENG, MA ZHONGHONG, ZHAO SHUAI, DAI LIHUI, FENG GUOHUA, LI WEIYA, LIN FENGYU, ZHU YUZHANG, GONG YONGBIN, ZHENG YUANYOU, JIANG YI
• Format: Patent
• Language: Chinese; English
• Published: 15.07.2022
• 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 an asphalt pavement based on full-depth foamed asphalt in-situ cold regeneration, which comprises a limestone soil subbase layer, a stable base layer, a foamed asphalt cold regeneration layer and an asphalt surface layer, the stable base layer is arranged on the upper surface of the limestone soil subbase layer, the foamed asphalt cold regeneration layer is arranged on the upper surface of the stable base layer, and the asphalt surface layer is arranged on the lower surface of the stable base layer. The asphalt surface layer is arranged on the upper surface of the foamed asphalt cold regeneration layer, and the foamed asphalt cold regeneration layer is formed by cold regeneration of an asphalt layer of the original pavement and a second cement stabilizing layer of the original pavement. When a damaged semi-rigid base asphalt pavement is repaired to form the pavement structure, the asphalt layer of the original pavement and the second cement stabilizing layer of the original pavemen