摘要
Abstract
Concerning the big top collapse cavity of the diversion tunnel, Liushugou Hydropower Station, and the continuous falling of rocks and stones, the steel trolley is stationed under the collapse cavity.With the trolley protection, the tunnel is concrete lined.Later, the top collapse cavity is treated by the operation of consolidation grouting.After two-year operation, the cavity treatment presents good effect.关键词
柳树沟水电站/导流洞/洞顶塌腔/钢台车/灌浆Key words
Liushugou Hydropower Station/diversion tunnel/tunnel top collapse cavity/steel trolley/grouting分类
建筑与水利
