塘厦西南联络线上跨营业线T梁施工控制技术

Control technology of T-beam construction cross business line in Tangxia southwest linking-up road

跨营业线运架T梁施工影响因素多,施工难度大,是桥梁施工中的难点。本文结合塘厦西南联络线第9孔到第11孔上跨营业线运架T梁施工实践,详细阐述了跨营业线运架T梁施工方法、施工要点、架设时间节点与临边防护,为解决跨营业线运架T梁施工问题提供了技术参考。

With many influencing factors and difficulties in construction,T-beam construction cross the operating railway is a difficult problem in the bridge construction.Combined with the construction practice of T-beam transportation and erection crossing operating railways at No.9 to No.11 hole of Tangxia southwest linking-up road,the construction method,construction key points,erection time node,and edge protection of T-beam transportation and erection crossing operating railways were expounded in detail,which provided technical reference for solving the construction problems of T-beam transportation and erection crossing operating railways.