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软土地基主要具备土质不均匀、压缩性高、透水性低、沉降速度较快以及土质稳定性差等特征,由于其含有土质的不同,需要针对性的软基施工技术。软土地基施工过程与整个公路工程的质量联系密切。利用水泥作为固化剂,水泥土搅拌桩是用于固化饱和软黏土低地基的一种施工技术。整个技术需要布设水泥搅拌机、软基土地变形监测、施工工艺参数设定以及全程质量控制。
Soft ground mainly has the features of uneven soil quality, high compressibility, low water permeability, fast settling velocity and poor soil stability. Because of its different soil quality, soft foundation construction technology is needed. The construction process of soft soil foundation is closely linked with the quality of the whole highway project. Using cement as the curing agent, cement-soil mixing piles are a kind of construction technology for curing low-lying saturated soft clay ground. The entire technology needs to be laid cement mixer, soft ground deformation monitoring, construction process parameters and the whole process of quality control.