唐山市职业技术学院办公楼设计毕业设计说明书3.doc

摘 要 该工程位于唐山地区，地震设防烈度为8度。本工程采用框架结构。该楼为五层，层高3.3米，总高17.1米，总建筑面积为2604平方米。 总的设计思路：在建筑结构的两个主轴方向分别考虑水平地震作用，各方向的水平地震作用应全部由该方向抗侧力结构承担。采用框架结构计算的近似法求解内力，即：求竖向荷载作用下的内力按无侧移框架用弯距二次分配法，求水平地震作用下的内力按三角形分布用D值法。最后利用钢筋混凝土的相关原理进行构件配筋计算及校核。 具体设计步骤分十步： 第一步：荷载统计，包括各层恒载、活载，计算各楼层重力荷载代表值。 第二步：刚度计算，包括各梁、柱的线刚度，柱的抗侧刚度D，按框架分析的D值法计算。 第三步：框架自震周期的计算。 第四步：验算侧移，包括顶部位移和层间位移。 第五步：内力计算，用反弯点法求得各柱端弯矩、梁端弯矩和梁端剪力。 第六步：竖向力作用下框架内力计算。采用弯矩二次分配法，对梁端弯矩调幅。 Abstract It locates the region of TangShan， the earthquake establishes to defend strong degree as 8 degree.The project adopts frame structure.There are storys in the building.The height of the floor is3.3 m. The general height is 17.1m and the general area of the building is 2604 square meter. The general design thinking:The two directions of main shaft in building structure difference consideration horizontal seismic role，the horizontal seismic role of each direction should fight side force structure completely by this direction to understake.With the approximation of frame structural calculation beg to take affact untie force.Beg to erect under load role force press without side move rigid frame use curved distance twice distribution law，beg horizontal earthquake to take affact under force press triangle distribution use D value method.The related principle that uses reinforced concrete finally carries out component to match tendon calulation and school nucleus. The concrete design stage divides into ten steps: The first step :Load statistics，including each layer permanent year and work to carry，each building layer gravity load representative of calculation worth. The second step:rigidity calculation include the line rigidity of each beam and colume，colume fight the D value law calculation that side rigidity D analyses according to frame. The third step:Frame from the calculation of the earthquake period. The fourth step:the side of Checking computation is moved，includs top displacement between layer displacement. The fifth step:Force calcultion get each col