长甸电站两次水工隧洞大断层的处理方法和教训

Twice fault treatments at water tunnel of changdiam hydro power station and its lessons

在相同区域的施工中,前后相差20年两次遇到了同一组断层,但由于人为的处理思想和观念不同,造成了两种不同的结果,其经验和教训值得借鉴。

The same fault in the same area had been met twice, one was in the year of 1985 while the other one was in the year of 2004. The paper introduced the two treatment methods as well as different results. The experience and lessons should be learned.