杭州地铁连续墙成槽入岩施工技术研究与实践

Research and Practice on Construction Technology of Continuous Wall Slot Tunneling in Hangzhou Subway

针对杭州地铁6号线美院象山站中风化灰岩强度高、工期紧、周边环境复杂的特点,杭州地铁首次引进德国宝峨BC40双轮铣进行连续墙成槽施工。本文阐述了双轮铣成槽切削原理、套铣接头处理、成槽质量控制等主要技术特点,为杭州地铁后续施工积累了宝贵的工程经验,同时也为双轮铣成槽在类似硬岩层的应用提供了借鉴和参考。

In view of the high strength, tight construction period and complex surrounding environment of Meiyuanxiangshan Station of Hangzhou Metro Line No.6, Hangzhou Metro introduced the German Baodi BC40 two-wheel milling for continuous wall slot forming. This paper describes the main technical features of the two-wheel milling slot cutting principle, the milling joint processing, the slot quality control, etc. It has accumulated valuable engineering experience for the subsequent construction of the Hangzhou subway, and also provides reference for the application of double-wheel milling slot forming in similar hard rock layer.