Abstract: The lining’s concrete cracks in the water tunnel of the right-underground power station in the TGP are presented in this paper,the whole process about the construction and maintenance of the concrete in the lining are monitored and the simulation calculation is performed.Moreover,to find out the weakness in the process of construction the field testing is combined with the the simulation anylysis in this article and the conclusions and calculation data are returned in time to improve the quality of construction.Some useful conclusions are obtained as well.

摘要： 本文针对三峡工程右岸地下电站引水洞衬砌混凝土轴向裂缝问题，对衬砌混凝土施工、保养等全过程进行监测及仿真计算，现场测试与仿真分析相结合，寻找施工中的薄弱环节，并将资料及时反馈，以利于进一步提高施工质量，也得到了一些有益于工程的结论。