思澜二级公路改建工程石拱桥加固利用

Reinforcement and utilization of stone arch bridges in Simao-Lancang ClassⅡ Highway upgrading project

公路改建工程主要依托老路进行,旧桥加固利用是公路改建工程中重要的环节,对降低工程造价、缩短施工周期、缓解施工中的保通压力有其现实意义,针对思澜公路石拱桥加固利用,对老石拱桥加固技术和经济效益进行探讨。

To reduce costs, and ensure the traffi c during upgrading, reinforcing the stone arch bridges and making use of them is a feasible method. Focusing on the method of reinforcing and utilizing the stone arch bridges on Simao-Lancang Highway, this paper will discuss the techniques and economic benefi t of reinforcing old stone arch bridges.