玉瓦水电站厂区边坡开挖支护优化设计

Optimum Design for Slope Excavation and Support in Powerhouse Area at Yuwa Hydropower Station

玉瓦水电站是中国电建集团成都勘测设计研究院有限公司按照EPC模式总承包的一项小型水电工程,工程规模较小,但工程设计要求较高。介绍了玉瓦水电站厂区边坡开挖支护不同阶段的设计方案,并对其优劣进行了分析与评价,最终确定了最优方案。通过对厂区边坡开挖支护进行优化设计,简化了施工,节约了投资,为实现项目总承包总体目标作出了贡献。

Yuwa hydropower station is a small-sized hydropower project contracted by our company according to EPC mode.Although project size is small,project design requirements are high.In this paper,design schemes of slope excavation and support in different phases in powerhouse area at Yuwa hydropower station are described.Their advantages and disadvantages are analyzed and evaluated.The optimum design scheme is finally determined.By optimizing design scheme of slope excavation and support in powerhouse area,construction is simplified and cost is saved,contributing to general contracting objective realization.