剪力墙类型以及受力特点（Types of shear walls and stress characteristics）.doc

剪力墙类型以及受力特点（Types of shear walls and stress characteristics） The shear wall structure is a kind of spatial structure composed of a series of longitudinal and transverse shear walls and floors, which is subjected to vertical and horizontal loads. It is a common structural form in high-rise buildings. Due to the longitudinal and transverse shear wall in its own plane stiffness are large, under horizontal loads, lateral displacement is small, so the seismic and wind resistance performance is strong, the bearing capacity requirements are relatively easy to meet, suitable to build more layers of high-rise buildings. The main two types of shear wall under load: one is the vertical load from the floor, in the earthquake zone also should include the effects of vertical earthquake action; the other is the horizontal loads, including wind load and horizontal seismic action. The internal force analysis of the shear wall includes the analysis of the internal force under the vertical load and the analysis of the internal force under the horizontal load. Under the action of vertical load, the internal force of each shear wall is relatively simple, and can be carried out according to the principle of material mechanics. Under horizontal load, the calculation of internal force and displacement of shear wall is quite complex, so this section focuses on the calculation of internal force and displacement of shear wall under horizontal load. Classification and stress characteristics of shear walls In order to meet the use requirements, shear walls often open doors and windows. Theoretical analysis and experimental research show that the mechanical behavior and deformation state of the shear wall mainly depend on the opening of the shear wall. Whether the entrance hole exists or not, the size, shape and location of the hole will affect the mechanical performance of the shear wall. The shear wall is divided into several types, such as integral shear wall, small opening integral shear wal