锚网支护技术在河道深基坑施工中的应用

The Application of Anchor Net Supporting Technique in the Deep Foundation Pit Engineering of River Course

以济南市小清河历山北路桥梁承台深基坑工程施工为例,针对流塑状淤泥和软塑亚黏土层地质的7 m深基坑施工,采用喷锚网支护施工技术。阐述了锚喷支护方案的确定、施工要点、基坑施工监测要点及效果。对深基坑支护施工具有一定的指导意义。

The construction of the cushion cap of the Xiaoqing River Lishan North Road Bridge in Jinan city is taken as an example, and the application of spray anchor net supporting technique has been used in terms of silt and clay 7 meters deep. This paper expatiates the determination of the spray anchor net supporting, main points of construction, monitoring gists of pit construction and its effects, which is significant to the deep foundation pit support engineering.