南水北调中线工程禹州-长葛段位于三峰山前丘陵、岗地与平原过渡地带,全长53.7 km,沿线共布设各类建筑物99座。工程需穿越湿陷性黄土、膨胀岩(土)和禹州煤矿采空区,为保证渠道工程建设质量,根据渠道沿线的工程地质条件,建设管理单位组织设计部门对原设计方案进行了调整、修改和优化,使工程建设的主要地质问题得以妥善解决。详细介绍了工程建设管理单位的组织体系、管理措施和主要工程地质问题的处理过程。%Yuzhou-Changge section of Middle Route Project of South to North Water Diversion Project, with a total length of 53. 7 km and 99 various structures distributed, is located in a transition zone of Sanfengshan hilly areas and plains. To ensure the construction quality of the canal passing through collapsible loess area, expansive rock ( soil) area and a coal mined-out area in the practical construction process, the design departments had adjusted, modified and optimized the original solution according to engineering geological conditions, so that the major geological problems can be properly tackled. Furthermore, the institutional system, management practices as well as treating process of main geological challenges are elaborated in detail.
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