锦屏二级水电站进水口事故闸门闸室岩壁梁开挖施工

锦屏二级水电站进水口事故闸门闸室岩壁梁开挖,针对地质条件较差、开挖质量要求高的特点,根据现场实际情况,通过多次钻孔爆破试验,提出了岩壁梁开挖施工的钻孔及爆破参数,以便加快施工进度、确保施工质量.

Excavation of rock-wall crane beam for emergency gate chamber of intake for Jinping-II Hydropower Station

For the excavation of the rock-wall beam for emergency gate chamber of intake for Jinping-II Hydropower Station,the geological condition is poorer with a higher excavation quality requirement.The relevant parameters for both the blasting hole and the blast are put forward through the drilling and blasting experiments made for many times in accordance with the actual condition at the site,by which not only the construction progress is accelerated,but the construction quality is also ensured.