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为最大限度地降低和消减涉路施工项目的安全风险,探索和研究桥梁上跨既有公路涉路施工项目的施工方法势在必行。通过实践和对比分析可知,顶推和转体施工法对既有公路影响较小,一般不会影响既有公路的正常通行。本文立足于达连坝大桥钢箱梁顶推施工跨越既有楚大高速公路,进一步剖析顶推施工法在涉路施工项目上的技术应用,为类似工程提供参考借鉴。
In order to minimize and reduce the safety risks of road construction projects, it is imperative to explore and study the construction methods of road construction projects across existing bridges on bridges. Through practice and comparative analysis, it can be seen that the pushing and turning methods have less impact on the existing roads and generally do not affect the normal passage of the existing roads. Based on the construction of the steel box girder of Daliangba Bridge, the construction of the steel box girder overpasses the existing Chu-Da Freeway to further analyze the technical application of the push-push construction method in road-involved construction projects and provide references for similar projects.