南水北调工程漳古段永年县段湿陷性黄土强夯处理

Collapsibility loess treatment by dynamic consolidation in Yongnian county section of Zhanggu section of South to North Water Transfer Project

南水北调中线干线漳古段永年县段局部存在湿陷性黄土,不利于渠基稳定,按设计方案对其进行了强夯处理。通过探索性强夯试验确定了主要施工技术参数,并按此进行了强夯施工,夯后检测表明,消除了湿陷性,满足了设计及规范要求。

The collapsibility loess is exists in the some area of Yongnian county section of Zhanggu section in main line of middle line of South to North Water Transfer Project,goes against the channel foundation stability,and makes the dynamic consolidation treatment in accordance with the design.The main construction technology parameters are determined by the exploratory dynamic compaction test,and then the construction are carried out.The test after dynamic consolidation construction shows that the collapsibility is eliminated and the requirements of design and specification are met.