黄河积石峡水电站左岸建筑物基础及边坡开挖精细化管理技术探讨

Discuss on Skilled Management Technique of Structure Foundation and Slope Excavation on the Left Bank of Jishixia Hydropower Station on the Yellow River

黄河积石峡水电站左岸建筑物基础及边坡开挖工程，长度770m，最大开挖高度205m，土石方开挖总量为388万m^3。该工程施工项目单一，开挖边坡陡峻，如何保证开挖坡面的质量是本工程的施工重点。针对这一问题，施工中实行精细化管理，使开挖断面在超欠挖、平整度等方面得到了较好的控制，质量符合设计要求，对于其它类似工程，具有参考价值。

In the construction of Jishixia Hydropower Station, the foundation and slope excavation should be conducted for structure construction and slope stability, with the length of 770 m, depth of 205 m and the whole earth work of 388× 104 m^3. The construction with only one target, but the slope was rather steep, the key rest with that how to control the quality of excavation. Aiming at the problem, the skilled management was adopted, with which the over digging and flatness of excavation profile were controlled, so that the work were in accordance with the design demand.