卡洛特水电站蜗壳二期混凝土施工关键技术及难点剖析  

Key Technology and Difficult Works Analyzing of Concrete Construction StageⅡfor Spiral Case of Karot Hydropower Station in Pakistan

作　　者：杜江 DU Jiang(Sinohydro Bureau 7 Co.,Ltd.,Chengdu Sichuan 611730)

机构地区：[1]中国水利水电第七工程局有限公司,四川成都611730

出　　处：《四川水力发电》2023年第6期76-81,共6页Sichuan Hydropower

摘　　要：巴基斯坦卡洛特水电站总装机容量为720 MW,共装4台单机容量为180 MW的混流式发电机组,单台机组共装蜗壳管节36节,采用弹性垫层方案。笔者介绍了针对蜗壳二期混凝土施工各个环节的重点、难点问题,对其分层分块、入仓方式、监测方法、后期灌浆进行的分析与创新过程,实现了蜗壳浇筑期间的安全,保证了蜗壳二期混凝土施工质量,为发电机组的安全安装创造了条件。Karot Hydropower Station in Pakistan has a total capacity of 720MW,with 4 sets of 180MW Francis turbine-generator units,each unit is equipped with a total of 36 spiral case segments and adopts an elastic cushion methodology.The article focuses on the key technology and difficult works in each link of the spiral case in concrete construction stageⅡ.It has carried out innovation and analysis on the layering and blocking,pouring methods,monitoring methods,and grouting,achieving pouring safety of the spiral case in stageⅡ,ensuring the construction quality of the concrete construction stage II of the spiral case,and providing conditions for the safe installation of the generator units.

关 键 词：卡洛特水电站 蜗壳 二期混凝土 埋件 监测 灌浆 施工技术 

分 类 号：TV7[水利工程—水利水电工程] TV52TV544