城市道路管廊周边塌陷处理方法设计研究

近年来随着国家经济的快速发展,城市基础设施建设突飞猛进,城市综合管廊的建设迎来了新的建设高潮,经过几年急速的管廊建设,呈现出管廊建设层次不齐,管廊建设与周边工程建设时序错差,造成管廊外侧工程病害频发。本文对综合管廊两侧虚填造成道路塌陷的处理方案进行研究,通过压力注浆法、强夯法、开挖分层填筑法三种处理方案比选,总结三种方案的适用性和经济性,针对管廊道路塌陷的处理提供了有益的参考。

Design and Study of Collapse Treatment Method around Utility Tunnel of Urban Road

In recent years, with the rapid development of the national economy, the construction of urban infrastructure has advanced by leaps and bounds, and the construction of urban utility tunnel has ushered in a new construction climax. But the construction level of utility tunnel is uneven, and the construction sequence of the utility tunnel with the surrounding projects is wrong, which cause the frequent engineering diseases outside the utility tunnel. The treatment scheme of road collapse caused by the false filling on both sides of the utility tunnel is studied. Three treatment schemes of pressure grouting method, dynamic consolidation and excavation placement method in layers are compared. The applicability and economy of the three schemes are summarized, which provide the useful reference for the treatment of road collapse of utility tunnel.