What is the difference between frame and shear wall structure?
First, the stress system is different: the frame structure is a structural system formed by the frame composed of beams and columns in both vertical and horizontal directions, which bears vertical and horizontal loads at the same time. The shear wall system uses the wall of the building (inner wall or outer wall) to form a shear wall to resist horizontal forces, and it also bears vertical loads, so it is both sheared and bent, so it is called shear Force wall.
Second, their respective advantages: The main advantage of the frame structure is the flexible layout of the building, which can form a larger building space, and the facade treatment is also more convenient. The advantage of the shear wall structure is that the lateral rigidity is large, and the lateral displacement is small under the action of horizontal load.
3. Disadvantages: The lateral rigidity of the frame structure is small. When there are many layers, a large lateral displacement will occur, which may easily cause the destruction of non-structural components (such as partition walls, decorations, etc.) and affect the use. However, the spacing of the shear wall structure is small, the layout of the structural building is inflexible, and it is not suitable for public buildings with large space. In addition, the structural weight is also large.
4. Adaptable building height: The frame structure is in a non-seismic area, generally no more than 15 floors. The shear wall is generally applicable in the height range of 30m.
From the above comparison, we can find that the advantages and disadvantages of the two are complementary, so another structural form is produced, the so-called "frame shear wall structure", which is to set the appropriate shear wall in the frame structure. A structural system. It has the advantages of flexible plane layout of the frame structure and large space, as well as the advantage of greater lateral rigidity. It is a combination of the two advantages. In this structural system, the shear wall mainly bears the horizontal load, and the vertical load is mainly borne by the frame. This structure is generally suitable for buildings with 10 to 20 floors.
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