地基注浆在富水地区既有铁路旁施工挖孔桩中应用_建筑施工论文 关键词：地基注浆；挖孔桩；地下水；岩层裂隙、溶槽 [gap=299]Keywords: foundation grouting; Dig-hole pile; Groundwater; Rock fracture, grooves
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经方案比选，采用钢花管对洞顶及两侧部分的地表和隧道地基与拱脚部位进行注浆加固。
Through comparing several schemes, steel tube-grouting was adopted to reinforce the wall rock and the foundation of the tunnel.
介绍了综合注浆法施工工艺，以及该技术在岩溶复杂地基处理工程中的应用。
The technique of comprehensive grouting and its use in construction of complex foundation in the karst region are dwelled on.
介绍用小导管预注浆法加固地基技术及其在旧楼下建新基础的施工实例。
This paper presents the foundation soil strengthening by small tremie pre -grouting methods and an example of construction of new foundation to be built under an old building.
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