下穿铁路斜交框架桥顶进施工技术分析与应用研究

Technical analysis and application research on jacking construction of oblique frame bridge for underpass railway

以元氏县盛元路下穿京广铁路框架桥为例,对下穿铁路框架桥的顶进施工技术及应用进行分析。介绍了顶推法框架桥的施工准备,阐述了顶推过程中的技术要点、测量控制和安全控制措施。案例实测数据和理论值分析结果表明,顶推法施工有效减少了对铁路运输的影响。

Taking Shengyuan road in Yuanshi County as an example,this paper analyzes the jacking construction technology and application of the underpass railway frame bridge.Introduces the construction preparation of jacking method frame bridge,describes the technical points,measurement control and safety control measures in the jacking process.The results of the analysis of the measured data and theoretical values of the case show that the impact on railway transportation is effectively reduced by the jacking method.