摘要
向家坝电站地下厂房系统有7项技术指标居世界之最,其位于缓倾角砂岩中,地质条件复杂,大洞室、大跨度顶拱及高边墙稳定问题突出,开挖工期紧。通过方案超前研究编制,精心合理组织生产,快速、圆满地完成了开挖施工。
Seven technical criteria of underground powerhouse complex are best in the world.The powerhouse is located in sandstone with low dip angle and characterized with difficult geological conditions,large cavern,large span arch,high slope stability problem and short excavation period.However,excavation construction has been successfully and rapidly accomplished by advanced study and preparation for options and refined and reasonable organization.
出处
《四川水力发电》
2009年第4期1-6,共6页
Sichuan Hydropower
