水电与新能源
水電與新能源
수전여신능원
HYDROPOWER AND NEW ENERGY
2014年
10期
41-45
,共5页
隧洞开挖%隧洞支护%施工方法%南椰2水电站
隧洞開挖%隧洞支護%施工方法%南椰2水電站
수동개알%수동지호%시공방법%남야2수전참
tunnel excavation%tunnel support%construction technology%Nam Ngiep 2 hydropower station
以老挝南椰2水电站引支流洞出口点开挖与支护施工工程为对象，介绍了对引支流洞出口点浅埋段、洞壁分别采用挂网喷锚、短台阶核心施工法、超前支护和钢拱架、挂网、喷锚相结合的施工技术，为浅埋段工程施工积累了经验，提前1a完成了工程施工任务，并取得了巨大的政治经济效益。
以老撾南椰2水電站引支流洞齣口點開挖與支護施工工程為對象，介紹瞭對引支流洞齣口點淺埋段、洞壁分彆採用掛網噴錨、短檯階覈心施工法、超前支護和鋼拱架、掛網、噴錨相結閤的施工技術，為淺埋段工程施工積纍瞭經驗，提前1a完成瞭工程施工任務，併取得瞭巨大的政治經濟效益。
이로과남야2수전참인지류동출구점개알여지호시공공정위대상，개소료대인지류동출구점천매단、동벽분별채용괘망분묘、단태계핵심시공법、초전지호화강공가、괘망、분묘상결합적시공기술，위천매단공정시공적루료경험，제전1a완성료공정시공임무，병취득료거대적정치경제효익。
Construction technology for outlet point of the diversion branch tunnel in Nam Ngiep 2 hydropower station in Laos are presented, which includes the shotcrete with anchored net, core construction technique with short steps, early supporting technique and the combination of steel arch rack, anchored net and shotcrete.The experiences are of great value and both economic and political benefits are obtained.
