南水北调潮河段膨胀岩土及处理技术

Expansive rock soil and treatment technology of Chaohe River section in the South-to-North Water Diversion Project

南水北调中线一期工程总干渠沙河南至黄河南段(委托建管项目)潮河段,设计桩号SH(3)133+380.8~SH(3)179+227.8,沿线地质情况复杂多样,针对施工过程中遇到的弱膨胀岩土渠基,采取了相应的处理措施,处理效果显著。

The designed pile number is SH（3 ） 133 ＋ 380 ~ SH（3 ） 179 ＋ 227 in the Chaohe River section from south of Shahe River to south of Yellow River （ entrusted construction and management project） of South-to-North Water Diversion Mid-line Stage I Project mairl canal. The geological conditions are complex and diversified along the project. Corresponding treatment measures are taken with remarkable effect aiming at weak expansive rock soil canal foundation in the construction process