地铁隧道穿越既有桥梁防洪评价分析

Flood Control Evaluation and Analysis of Subway Tunnel Crossing Existing Bridges

以广州地铁盾构隧道穿越既有桥梁为例,从建设项目与河道堤防关系、建设项目占用河道情况、河道一般冲刷深度、工程对堤防抗滑稳定的影响等方面对地铁隧道穿越既有桥梁进行防洪评价分析,可为类似工程的设计、施工和水行政主管部门的技术审查提供参考和借鉴。

Taking the shield tunnel of Guangzhou metro crossing the existing bridge as an example,the flood control evaluation and analysis are carried out from the aspects of the relationship between the construction project and the river embankment,the occupation of the river by the construction project,the general erosion depth of the river and the influence of the project on the anti-sliding stability of the embankment,It can provide reference for similar engineering design construction and technical review of the water administration department.