铁路客运专线跨越既有公路施工安全防护

Construction Safety Protection of Railway Passenger Dedicated Line across Existing Highway

随着铁路客运专线建设里程的不断增加,铁路跨越公路的情况时有发生,如何在确保公路安全通行的同时,有保证客运专线的施工质量和进度就显得尤为重要。此文以大西客运专线渭洛河特大桥跨越关中环线公路连续梁施工为例,通过对门洞支架防护受力分析,就保证跨越段的桩基、墩柱、门洞、连续梁的施工安全提出防护措施。并结合现场实际情况,提出保证公路安全通行的临时管制措施。

With increase of miles of railway passenger dedicated line construction, the situation of the railway across the highway happens occasionally. It is important to ensure the construction quality and progress of passenger dedicated line on the condition of safe passage of highway. Taking Da - xi passenger dedicated line as an example, through the stress analysis of the stent protection, the safety protection measures of ensuring that pile foundation, the pier, the construction of continuous beam in the cross section are put forward. Combined with the actual situation, the temporary control measures to assure the safety of highway traffic are proposed.