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楼梯一般由楼梯段(简称梯段或楼梯跑,包括踏步和斜梁)、平台或休息板(包括平台板和楼梯梁)和栏板或栏杆(包括扶手)组成。楼梯除了要能满足行走方便和人流疏散外,还应有足够的坚固、耐久和防火性。因此目前多采用现浇或预制钢筋混凝土楼梯。楼梯详图的内容前讲说过,在建筑平面及剖面图中,由于比例较小,只表示了楼梯在平面和剖面图中的位置,不可能表达清楚楼梯的详细做法,因此要用较大的比例另绘楼梯详图,来表达楼梯的类型、结构形式、各部分的尺寸和装修做法。
Stairs generally consist of stair sections (referred to as bench sections or stairs, including steps and sloped beams), platforms or lounges (including platform and stair beams), and fences or railings (including handrails). In addition to meeting the convenience of walking and the evacuation of people, the stairs should be sufficiently strong, durable, and fire-resistant. Therefore, cast-in-situ or prefabricated reinforced concrete stairs are currently used. The contents of the staircase detailing have been explained before. In the building plan and section drawings, because the proportion is small, only the position of the stairs in the plane and the sectional view is shown. It is impossible to express the detailed practice of clear stairs, so it is necessary to use larger The proportion of the other painted staircase details, to express the type of staircase, structural form, the size of each part and decoration practices.