Dam foundation altered rock mass reinforcing treatment structure and construction method thereof: Fid-Bau Portal

Dam foundation altered rock mass reinforcing treatment structure and construction method thereof

HOU JING / XU JIANJUN / YIN LIANG / HUANG YIHUI / WEI HAINING / YAO LUNQIANG / YE TIAN

The invention relates to a dam foundation altered rock mass reinforcing treatment structure and a construction method thereof. The dam foundation altered rock mass reinforcing treatment structure is simple, stable, high in adaptability and convenient to construct. According to the technical scheme, the dam foundation altered rock mass reinforcing treatment structure is used for reinforcing a dam foundation with fault zones and altered rock mass geological defects. The dam foundation altered rock mass reinforcing treatment structure is characterized in that the dam foundation altered rock mass reinforcing treatment structure is provided with a notch groove which is excavated in the foundation face of the dam foundation and corresponds to the fault zones and altered rock mass below the notch groove, the notch groove is backfilled with concrete to form a concrete plug, and the concrete backfilling range of the notch groove is grouted through reinforced cement. The dam foundation altered rock mass reinforcing treatment structure and the construction method thereof are suitable for water conservancy, hydropower and other civil engineering.

本发明涉及一种坝基蚀变岩体加固处理结构及其施工方法。本发明的目的是提供一种简单稳固、适应性强、施工方便的坝基蚀变岩体加固处理结构及其施工方法。本发明的技术方案是：一种坝基蚀变岩体加固处理结构，用于对存在断层带及蚀变岩体地质缺陷的坝基进行加固，其特征在于：具有开挖形成于坝基基础面上且与下方断层带及蚀变岩体对应的刻槽，刻槽内回填混凝土形成混凝土塞，该刻槽回填混凝土范围经加强水泥灌浆。本发明适用于水利、水电等土木工程。

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