老红星桥拆除施工

Construction of Dismantling of Old Red Star Bridge

为了达到安全、顺利、快捷、环保的目的,且施工过程尽可能减少对京杭大运河航运的影响,采用逆向工序法进行老红星桥拆除,即按造桥时悬臂浇筑节段划分反向切割、吊运拆除。对拆除施工进行监控,结果表明应力和变形均满足相关要求。老红星桥的顺利拆除表明,该施工方法取得了理想的效果。

To meet the goal of safety, smoothness, rapidity and environmental protection and to minimize the interference with shipping on the Beijing-Hangzhou Grand Canal in the construction process, a reverse construction procedure method was used to dismantle the old Red Star Bridge over the Canal, i.e. the segments of the Bridge were cut off and lifted away in the reverse direction of the segments that were eantileveredly cast in place at the time the Bridge was built and the construction process of the dismantling of the Bridge was monitored. The results of the monitoring showed that the stress and deformation could all satisfy the relevant requirements and the smooth dismantling of the Bridge also proved that the method achieved the satisfactory effect.