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在铁路桥梁墩台浅埋式基础的混凝土施工中,通常采用木制模板。但是由于桥梁墩台基础的施工受河道水流的影响很大,往往必须以较快的施工进度,在枯水期间完成,这就必须备有足够的木材用来制做模板。而木模板的制作、安装和拆除,是相当耗费工时并需要一批具有一定技术水平的木工。而且,模板的拆除,又受混凝土强度增长的限制,不但影响木模板的周转,还常常因基坑边坡的坍塌或洪水的冲淤,使尚未拆除的基础木模板被掩埋而造
In the railway bridge abutment shallow foundation of concrete construction, usually using wooden formwork. However, since the construction of bridge abutments and abutments is greatly affected by the water flow in the river, it is often necessary to finish the work at a relatively fast construction speed during dry season, which requires that sufficient timber be used to make the formwork. The production of wooden formwork, installation and removal, it is quite time-consuming and requires a number of a certain level of skill of carpentry. Moreover, the removal of the formwork is limited by the increase of concrete strength, which not only affects the turnover of the wood formwork, but also often causes the foundation wood formwork that has not yet been removed to be buried due to the collapse of the foundation pit slope or the scouring and silting of the floodwater.