青狮潭水库大坝坝体及坝基接触带防渗加固设计  

Anti-seepage reinforcement design for the contact zone between dam body and foundation of Qingshitan Reservoir

作　　者：张燕洪 李臻 ZHANG Yan-hong;LI Zhen(Guilin Water and Power Design Institute,Guilin 541119,China)

机构地区：[1]桂林市水利电力勘测设计研究院,广西桂林541119

出　　处：《广西水利水电》2024年第3期108-113,共6页Guangxi Water Resources & Hydropower Engineering

摘　　要：经鉴定,青狮潭水库大坝存在防渗体系和反滤排水措施不完善,坝基和绕坝渗漏问题,坝体渗流压力分布异常,防渗墙防渗效果差等问题,需要对大坝坝体和坝基进行防渗处理。通过对比高压喷射注浆连续防渗墙和塑性混凝土连续防渗墙两种坝体防渗方案,选择塑性混凝土连续防渗墙两种坝体防渗方案,基础采用帷幕灌浆与心墙边成防渗整体,本文介绍了青狮潭水库大坝除险加固方案比选和设计。It has been appraised that the dam of Qingshitan Reservoir has some problems,such as imperfection of an-ti-seepage system and filter drainage measures,seepage of dam foundation and around dam,abnormal seepage pres-sure distribution in the dam body,poor anti-seepage effect of the anti-seepage wall etc.Anti-seepage treatment is required for the dam body and foundation.For the dam body,plastic concrete continuous anti-seepage wall is select-ed after it is compared with the alternative of high pressure jet grouting continuous anti-seepage wall.For the dam foundation,curtain grouting is adopted and forms an anti-seepage whole with the core wall.An introduction is made on the comparison and design of dam reinforcement scheme for Qingshitan Reservoir.

关 键 词：坝体及坝基防渗 塑性混凝土防渗墙 帷幕灌浆 青狮潭水库 

分 类 号：TV543[水利工程—水利水电工程]