摘 要
本设计是一幢七层钢筋混凝土框架结构办公楼的设计,设计内容包括:建筑设计和结构设计两部分。结构设计是在建筑物初步设计的基础上确定结构方案;选择合理的结构体系;进行结构布置,并初步估算,确定结构构件尺寸,进行结构计算。
本设计主要对结构方案中横向第4榀框架进行了结构设计。在确定框架平面布置方式之后,首先进行了层间荷载标准值的计算,接着采用二次弯距分配法计算得出竖向恒荷载和活荷载作用下的结构内力。然后,利用D值法求出在水平风荷载作用下的结构内力(弯矩、剪力、轴力)。其次,对各种情况下的内力进行了组合,选取最安全的结果进行框架梁、框架柱截面的配筋计算。然后,对板、楼梯、基础的结构进行了设计。最后,利用PKPM和CAD软件绘制了框架结构的施工图。
【关键词】: 框架结构,抗震设计,荷载设计,二次弯距分配法,独立基础,结构配筋
Abstract
This design is an seven layer of reinforced concrete frame structure dormitory ;It includes two parts-architecture design and structure design.In the structure design,determine the structure design based on architecture first design.Select the right structure type.Precede structure arrangement and sizes of structure components to calculate.
The 4th horizontal frame structure is designed in this design. After determining the frame layouts, the standard values of loads acting on the structure are calculated firstly. Then the internal forces of the structure caused by vertical constant load and live load are calculated by Secondary bending moment distribution method. Then, the structural internal forces (moment, shear force and axial force).due to horizontal wind load is calculated by using a D value method. Secondly, the internal forces under various circumstances are combined. The security results are selected to calculate the reinforcement of frame beams and frame column. Then, the structure of the independent footing is designed. Finally, the shop drawing of the frame structure is drawn by PKPM and CAD software.
Key words:Frame structure,Seismic Design,Load Calculation,Secondary bending moment distribution method,Independent footing,Structure Reinforced
目录
…………