Waterproof and drainage system for retaining wall back

• Main Authors: WANG KEXUAN, HAN LIZHONG, LI XINJIE, NIU HAOZHEN, HAN BIN, ZHAO HUIMIN, QIAN GUOYU, LI XUANMIN, GU XIN, LI PENG, YANG BAOHE, YANG YONGQING, WEI XUBO, CHEN SHAN, DONG MENGXUAN
• Format: Patent
• Language: Chinese; English
• Published: 30.08.2022
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The utility model discloses a retaining wall back waterproof and drainage system which comprises a capillary drainage pipe arranged at the bottom of the retaining wall back and a capillary surrounding type drainage pipe arranged in a deep soil body behind the retaining wall and used for guiding water flow into the capillary drainage pipe to be discharged outwards. The transverse drainage pipes are communicated with the capillary drainage pipes and penetrate through the bottom of the retaining wall back. The capillary surrounding type drainage pipes, the capillary drainage pipes and the transverse drainage pipes are matched with one another, water flow near the wall back of the retaining wall and water flow deep in the wall back of the retaining wall are drained out, and therefore water disasters are greatly reduced. 本实用新型公开了一种挡土墙墙背防排水系统，包括设置于挡土墙墙背底部的毛细排水管，设置于挡土墙墙后深层土体内用于将水流引入毛细排水管向外排放的毛细环绕型排水管，以及与毛细排水管连通并贯穿挡土墙墙背底部的横向排水管。本实用新型采用毛细环绕型排水管、毛细排水管、横向排水管的相互配合，实现对挡土墙墙背近处水流以及深处水流进行引流外排，从而大大地降低了水灾害的发生。