Intermongolia Branch Corporation Of China Unicom High-rise Composite Building Project Structure Design Research

Because of combination of the merits of frame and shear wall structure,Frame-shear wall structure can be not only satisfied the structural space demand,but also be liable to achieving structural demand. For this reason,the type of structure is popular in our country.When beginning a design of frame-shear wall structure,it is preliminary that we decide the quality and location of shear wall,which includes deciding the planar and vertical arrangement depending on architectural function demand. We can understand the quality and location of shear wall influences the whole structure,which includes its influence on seismic-force,displacement and the center of quality and stiffness. All these factors will reflect if the structure is safe. Shear wall will bear mostly part of horizontal force. In this case,it can satisfy the limitation of displacement,and can be insure that the bottom shear force,natural vibration period of structure and the displacement curve can be novel.Furthermore,it can supply good base for proceeding design.As an element of resisting vertical load and part of horizontal load,we must satisfy the demand of ductility frame in anti-seismic design. In order to reach the aim,we should firstly adjust the shear force of frame,for frame is an important line defense in structure anti-seismic. After adjusting frame's bearing conditions,and allowing for existence of some uncertain factors,we must control some guidelines affecting the frame's ductility. In fact,we measure whether the design is reasonable just by means of these guidelines.Tie beam is an important element in frame-shear wall structure. The ratio of span-height of an ordinary tie beam is always less 2.5,so the resisting shear is difficult to achieve. It is a difficult job to adjust the bearing capacity in design. We respectively allow for each factor that can affect the beam's bearing shear capacity before we decide which measure we will apply.It is keeping the reasonable principle in deciding flat slab type .we choose the most suitable type to satisfy application demand and to save investmentthrough the technical and economical indexes for these type of floor stmctures and understanding every type's sphere of application,advantage and disadvantage. It can also provide later work with the possibility of referring.Of course,with increasing projects and designing experience,we can understand more deep for the design problems of frame-shear wall structure.