摘要
宣城市水阳江大桥9号~12号桥墩承台施工采用水中筑岛以提供工作面,基坑开挖采用拉森板桩支护,局部插打困难板桩配合高压射水辅助下沉。介绍了其施工工序及主要技术措施,为同类型基坑提供借鉴。
Construction of 9# ~ 12# bridge pier cap of Xuancheng Shuiyang River Bridge is constructed by using water island to provide working face. Excavation of foundation pit adopts Larsen sheet piling support,partial insertion of difficult sheet piles and assisting sinking by high pressure water injection. The construction process and the main technical measures are introduced,providing reference for the same type of foundation pit.
作者
曹文峰
Cao Wenfeng(Fujian Changda Construction Limited Liability Company, Fuzhou 353000, Chin)
出处
《山西建筑》
2018年第10期173-175,共3页
Shanxi Architecture
关键词
砂卵石地层
拉森板桩
基坑
施工流程
sand-gravel stratum
Larsen sheet pile
pit
construction process