Membrane structure parking shed Using membrane materials instead of traditional building materials, its weight is only one third of that of traditional buildings. In addition, membrane structure can fundamentally overcome the difficulties encountered by traditional membrane structure in large-span unsupported buildings, and create a huge and unobstructed visual space.
First, the processing preparation and blanking shall be listed according to the construction drawing: when setting out and marking out, welding shrinkage and processing allowance shall be reserved, and setting out shall be used as the template.
Measurement and setting out: measure the core line of embedded part elevation according to the civil engineering elevation baseline, and check the elevation deviation and left and right deviation of embedded parts. The results shall be sorted out to determine the adjustment treatment scheme for the separation of embedded parts.
Embedded parts installation process: determine the installation position of embedded parts and drill holes for installation. The position of embedded parts is accurate and firmly embedded. Elevation deviation is not greater than 9mm, left and right displacement not more than 20mm
Boom installation and welding: boom installation and welding shall be conducted by welding. Check the welded joints and adjust the design slope of the boom to make it accurate. After the boom on one side is accurate, spot weld the boom on the other side after it is installed in place.
Effective combination of design and construction of membrane structure parking garage: design conditions such as given load and boundary control the design process
Design is the strength of the design institute. For complex membrane structure parking sheds, the design conditions such as load values and boundary conditions shall be determined by the design institute, especially boundary conditions and wind loads. These are basically assumed to be fixed points simply supported by membrane structure parking sheds, without considering the actual stress of structural nodes and structures.
Put forward design objectives according to building requirements; This problem is more important in engineering
In fact, the architectural modeling should be proposed by the architect, but the membrane structure has the problem of shape finding, so the architect often needs the membrane structure engineer to decide. However, shape finding is not the only method. Different internal force distribution will find different building shapes, which will directly affect the effect of buildings. It is worth mentioning that different building shapes may directly affect the economy of the project. Because some shapes are difficult to realize, larger prestress may be required, and the problem is to use more materials and construction technology. Therefore, the reasonable building shape should be determined through the cooperation of structural engineers and architects. Control design objective under given output, displacement and other control conditions
Although there are codes and regulations for cable structures and membrane structures in China, they are relatively imperfect. For some special problems, such as membrane displacement, cable displacement and other specific problems, designers need to refer to relevant engineering data to determine. These details can only be studied manually, and membrane structure companies usually do not try their best.
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