探析异形柱结构设计.doc

探析异形柱结构设计 　摘要：本文详细阐述了异形柱框架的受力特点，对设计实际工程中异形柱结构的分析计算、构造措施等方面进行了探讨，并给出成功的工程设计实例。 Abstract: this paper expounds on the loading characteristics of special-shaped column frame, the design of special-shaped column structure in practical engineering analysis and calculation, construction measures and so on are discussed in this paper, and successful engineering design example is given. 　　关键词：异形柱；框架 Key words: special-shaped columns; The framework 　　 　　1　前言 1 introduction 　　 　　近年来，异形柱框架或异形柱框架一剪力墙结构作为一种全新的结构形式广泛用于小高层住宅建筑中，相对于传统的短肢剪力墙或框架结构，能更好的满足建筑需求且造价略有降低，因此具有更好的经济效益和社会效益。该结构形式一般指同层内异形柱数量超过柱总数量10％的框架或框架剪力墙结构，适用抗震设防烈度为6度或7度的地区。 In recent years, special-shaped column frame or special-shaped columns frame shear wall structure as a new kind of structure widely used in small high-rise residential buildings, compared with the traditional short limb shear wall and frame structure, can better meet the construction demand and cost is slightly reduced, therefore has better economic and social benefits. Within the structure generally refers to namely special-shaped column more than 10% of the total number or frame shear wall structure, the framework of applicable seismic fortification intensity is 6 or 7 degrees. 　　 　　2　受力特点 2 mechanical characteristics 　　 　　异形柱是指柱截面摈弃了惯用的矩形柱，而采用多个小墙肢的组合截面柱子，由剪力墙演变而来。柱肢截面中各肢高厚比不大于4，常用的有L形、T形和十形，亦有采用Z形。柱肢宽度一般使用与墙体相同的厚度，一般为200～250mm，不大于300mm。肢长较大，《规程》规定不小于500mm，一般为600～800。除此之外，不等肢异形柱肢高比一般不超过1.6，各肢截面厚度不能相差过大。 Special-shaped columns is refers to the column section away from the conventional rectangular column, and use multiple small wall limb combination section columns, the shear wall. Column leg section high thickness ratio is not greater than 4 in each limb, commonly used is l-shaped, t-shaped and ten shape, also have use Z. Column limb width generally use the same as the wall thickness, average for 200 ~ 250 mm, no greater than 300 mm. Limb length is larger, rules regulation is not less than 500 mm, generally is 600 ~ 600. Besides, ranging from limb sp