沪昆铁路跨线桥病害整治施工技术

Construction Technology of Disease Control of Flyover in Shanghai-Kunming Railway

结合沪昆铁路浙赣线金华境内5座跨线桥病害治理施工,针对青龙头公路立交、黄鹤山公路立交跨线桥桥台台身侧墙开裂、桥台锥坡沉降裂缝、台后搭板起翘破碎等病害制定专项治理方案,通过对跨线桥病害的整修及桥台加固施工并取得了良好的效果,消除了沪昆铁路运营安全隐患,为类似工程施工提供参考。

Combined with the disease control construction of five flyover bridges of Shanghai-Kunming Railway Zhejiang-Ganzhou Line in Jinhua, aiming at the problems including cracking of the side wall of the abutment, abutment taper slope settlement cracks, slab crack of interchange of Qinglongtou Highway and Huangheshan Highway, a special governance plan is formulated. Through the renovation of bridge overhangs and the reinforcement of the abutments, it has achieved good results and eliminated the potential safety hazards in the operation of Shanghai-Kunming Railway and provided reference for the construction of similar projects.