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在工程施工中,木工在安装现浇整体楼梯模板时常常出错,主要是因为建筑施工图上标注的尺寸和标高,是指装饰完工后的尺寸和标高,而在结构施工图上则是指承重结构(不含装饰层)的尺寸和标高。有的图纸上对施工中需要的一些尺寸,例如平台板底标高、梁底标高、梯段板底与梯梁交线的标高等都没有标出,施工时需另行计算。因此,为减少差错,在立模板之前,施工技术员应先绘出模板放线图。模板放线图就是模板立完后的平面图和剖面图,图中应将对安装模板有用的尺寸和标高都标出来。下面结合实例,按施工先后顺序,介绍楼梯模板放线方法。
In construction, carpentry installation of cast-in-place monolithic staircase template often mistakes, mainly because the construction drawings marked dimensions and elevation, refers to the size and elevation after the completion of the decoration, and in the construction of the construction plan refers to the load-bearing Structure (excluding decorative layer) size and elevation. Some drawings on the construction of some of the required dimensions, such as platform plate elevation, the elevation of the bottom of the ladder, the bottom of the ladder and the ladder intersects the elevation are not marked, the construction need to be calculated separately. Therefore, in order to reduce errors, the construction technician should draw the template drawing before drawing the template. Template release chart is the plan after the completion of the plan and the cross-sectional view of the map should be useful to install the template size and elevation are marked. The following combination of examples, according to the order of construction, introduced the staircase template pay-off method.