钢筋混凝土楼梯设计要点浅析
摘 要
钢筋混凝土框架结构作为一种常用的结构形式,具有传力明确、结构布置灵活、抗震性和整体性好的优点,目前已被广泛地应用于各类多层的工业与民用建筑中。这篇论文浅谈框架结构中的楼梯设计。楼梯作为建筑物垂直交通设施之一,首要的作用是联系上下交通通行;其次,楼梯作为建筑物主体结构还起着承重的作用,除此之外,楼梯有安全疏散、美观装饰等功能。设有电梯或自动扶梯等垂直交通设施的建筑物也必须同时设有楼梯。在设计中要求楼梯坚固、耐久、安全、防火;做到上下通行方便,便于搬运家具物品,有足够的通行宽度和疏散能力。应用钢筋混凝土楼梯构件受力形式的不同,综合比较了板式楼梯,梁式楼梯、剪刀式楼梯和螺旋式楼梯的优缺点。同时考虑楼梯设计中的一些思路。最后PKPM建模时是否考虑楼梯及如何考虑楼梯。
关键词 楼梯形式;设计思路;PKPM楼梯建模
Frame structure-staircase design
Pick up
As a common structural form, reinforced concrete frame structure has the advantages of clear force transfer,flexible structure arrangement,good seismic resistance and integrity. At present,it has been widely used in all kinds of multi-storey industrial and civil buildings.This paper briefly discusses the staircase design in the frame structure.The staircase is one of the vertical traffic facilities of the building. The primary role is to link up and down traffic: Secondly, staircase as the main structure of the building also plays a bearing role, in addition, the stairs have a safe evacuation. Beautiful decoration and other functions. Buildings with vertical transportation facilities such as elevators or escalators must also have staircases. Buildings are required in design The ladder is strong, durable, safe and fire-proof: It is convenient to pass up and down, easy to move furniture items, and has enough width and evacuation ability. The paper compares the slab staircase and the beam staircase synthetically with the different stress forms of the reinforced concrete staircase members. The advantages and disadvantages of Scissors staircase (cantilever type) and spiral staircase. At the same time, some ideas in staircase design are considered. Finally, the disadvantages of staircase are not considered in PKPM modeling.
Key words :hand-count staircase: stair form: design idea PKPM modeli
1手算楼梯
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