旧路改造软基处理方法研究

The study on the treatment measures to the soft-foundation reinforcement of old road reconstruction

以中山市北外环道路整治工程为研究对象,介绍了旧路改造沉降处理常用的高压旋喷桩、预应力管桩及CFG桩处理方案,并对三种方案进行了对比分析,总结了各方案的优缺点,以期根据工程的实际情况选择出合适的软基处理方案。

Taking the road remediation project in Zhongshan north outer ring as the research object, this paper introduced the common high pressure jet grouting pile, pre-stressed pipe pile and CFG pile treatment scheme in old road reconstruction settlement process, and compared and analyzed the results of three methods, summarized the advantages and disadvantages of each scheme, so as to select suitable soft foundation treatment scheme according to the project actual situation.