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楼梯是进出楼房的必经之路,所以对楼梯踏步的步高和步宽,是依据使用功能规定的。施工及验收规范规定,楼梯踏步相邻两步步高的偏差为20毫米,步宽的偏差为20毫米。要想做到保证实际踏步的步高和步宽符合规范要求,关键在于楼梯踏步的帮模上。休息板由现浇板组成时,楼梯帮模的高度应一致,这样就可以保证休息板和踏步抹灰后,每踏步的步高一致。步高有了保证,步宽也
Stairs are the only way to get in and out of the building, so the step height and step width of the stair are based on the use of the function. The construction and acceptance specifications stipulate that the deviation of two steps of step height adjacent to the stairs is 20 millimeters, and the step width deviation is 20 millimeters. To ensure that the steps and widths of the actual steps meet the requirements of the code, the key lies in the help of the stairs. When the rest board is composed of cast-in-place boards, the height of the stair railings should be the same, so that the step heights for each step can be guaranteed after the rest board and the step plastering. The step height is guaranteed and the step width is also