黄壁庄水库副坝垂直防渗工程设计

Design of vertical anti-seepage system for secondary dam of Huangbizhuang Reservoir

黄壁庄水库副坝原采用水平防渗,由于地质条件异常复杂,基础渗漏严重,需要除险加固处理.经过论证,决定改水平防渗为垂直防渗,防渗墙总截渗面积近30万m2.施工中采用了适用于具体地层条件的施工设备.工程建成一年多,经检测分析运行正常.

The anti-seepage system for the secondary dam of Huangbizhuang reservoir consisted of a horizontal anti-seepage system originally, however, which is necessary to be strengthened due to the serious seepage of the foundation with the complicated geological condition therein. In accordance with the demonstration concerned, the horizontal seepage system is decided to be replaced by a vertical one with the total impervious area of nearly 300000m^2. The construction equipments adaptable to the actual geological condition are used in the construction. After the completion for one year more, the anti-seepage system operates normally with a better impervious effect through the relevant examination and analysis.