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在建筑工程施工图纸中,楼梯的左右梯段的踏步线要求对齐,即左右在一条直线上,见图1。在结构施工图中,由于通常没有考虑到建筑施工过程及建筑设计最后要求,而把现浇楼梯的踏步线设计成左右梯段对齐。但在实际施工中,踏步在结构施工后还需进行抹灰,由于存在抹灰层的厚度,就造成了左右梯段踏步线不在同
In the construction drawings of the construction project, the step lines of the left and right stair sections of the staircase are required to be aligned, ie, left and right in a straight line, as shown in FIG. 1 . In the construction drawing, the stepping line of the cast-in-place staircase is designed to be aligned with the left and right steps because the construction process and the final design of the building design are not usually taken into consideration. However, in actual construction, plastering is still required after the construction of the structure. Due to the thickness of the plastering layer, the left and right stair treads are not in the same line.