填筑轻质材料防治桥头跳车施工技术初探

通过对轻质材料之一粉煤灰的物理性质、化学成分分析、结构形式的选定和具体施工工艺的介绍,确认其具备填筑路堤的材料性能,对减少工后沉降都具有重要作用。采用这种材料填筑台后路堤是解决桥头跳车的有效方法之一。

Primary Exploration of Construction Technology of Filling Lightweight Materials to Prevent Bumping at Bridgehead

Fly-ash,one kind of lightweight materials,is confirmed to have material performances for filling embankment by introducing its physical features,chemical component analysis,structure form selection and con-crete construction technology,which is meaningful for the settlement.It is deemed that using this material to fill whip embankment is an effective solution to bumping at bridgehead.