技术简介

该技术利用液压抓斗或双轮铣等成槽设备，由地表向下挖出窄而深的沟槽，在槽内灌注混凝土或铺设防渗膜等不透水材料，形成连续的地下截水帷幕墙，切断地下水补给来源和补给通道，大幅减少疏排水量。达到保护地下水资源、保护生态环境的目的。

Introduction

In this technology, trenching equipment such as the hydraulic grab bucket or double-wheel mill  is used to dignarrow and deep trenches downward from the ground surface, pour concrete or lay impervious materials such asanti-seepage membrane in the trenches to form a continuous underground cutoff curtain wall, cut offgroundwater recharge sources and channels, greatly reduce the drainage volume, and achieve the purpose ofprotecting groundwater resources and the ecological environment.