四联拱隧道施工技术

Construction Technology of Four Arc Tunnel

总结了福州市二环路象山公路四联拱隧道在大跨、浅埋、偏压、软岩条件下 ,采用“墙洞法”施工 ,运用控制爆破、量测监控等技术 ,解决了施工中结构受力转换、涌水。

It summarized the construction of the four arc tunnel of Xiangshan Highway of Fuzhou City under the condition of big span ,shallow burried bia pressed and soft rock, which adopted the 'wall care method' and applied the controlled blasting and measurement supervision technology . It solved the problems of stress changing of structure, water emerging and collapse deformation during the construction.