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福建省漳龙高速公路龙门隧道地质条件极差 ,施工过程中出现了掌子面和拱顶坍塌、地表凹陷开裂、拱脚与废弃煤洞空腔走向平行、初期支护变形侵入二次衬砌范围、二次衬砌开裂等多种病害。文中对施工中的成功经验和教训进行了总结
The Longmen Tunnel of Zhanglong Expressway in Fujian Province has very poor geological conditions. During the construction, the collapse of the claw face and the vault, the cracking of the surface pits, the parallel displacement of the arch foot and the cavity of the abandoned coal cavern, the initial deformation of the support intrude into the secondary lining range , Secondary lining cracking and other diseases. The paper summarizes the successful experiences and lessons in construction