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Building steel structures have very strict requirements on the performance of components, and there are different requirements due to different components and different functions. Therefore, the performance of the components needs to be strictly controlled. At this point, the heat treatment of metal materials is particularly important. Different processing of different materials can meet most of the requirements of building steel structures.
The heat treatment of metal materials not only plays an important role in production, but also involves many fields such as energy saving and environmental protection. Therefore, the heat treatment of metal materials for building steel structures is of great research value and necessity.
Improve the manufacturing precision and installation accuracy of fire-fighting pipelines, and reduce the assembly stress generated during the installation of fire-fighting pipelines. The installation of fire-fighting pipelines is carried out together with the installation of the space frame, forming a flow construction of "first complete the assembly of the lower strings of the space frame, then install the fire-fighting pipelines, and then assemble the upper strings of the space frame", which solves the problem of the difficulty of interspersed installation of fire-fighting pipes in the space frame, and In the flowing water construction, the fire-fighting pipeline is intersected with the air duct and hydropower construction, which is convenient for pipeline adjustment and maintenance.
With the reform and opening up and economic development, steel structure engineering is gradually developing from industrial buildings with high requirements such as large spans, high-rises, and heat resistance to civil buildings.
space frame structure is a commonly used structural form in the construction of large-span buildings today. The selection of different construction methods has different impacts on the construction management objectives of construction projects. In the construction practice of the gymnasium roof space frame structure, comprehensive consideration should be given to various factors to select the applicable space frame structure construction method to ensure the safe and orderly construction.
The space frame structure has been widely promoted in public buildings such as stadiums, airports, and exhibition centers. Its structural form and construction technology continue to become more and more complex. For gymnasium buildings, most of the roof forms are closed structures with a large span.
The same weld should be welded continuously at one time, if it cannot be completed at one time, it should be preheated before welding.
In recent years, long-span structures have been widely used not only in sports buildings, but also in various commercial buildings (such as supermarkets, warehouses and warehouses), and the application of long-span structures in building structures in China is also increasing.
The construction method of the space frame has full scaffolding aerial bulk method, aerial picking method, ground assembly overall lifting method, etc.. Construction methods are diverse and flexible：one construction method can be used alone, or a variety of construction methods can be mixed, and the environmental requirements for the construction site are not too high. Most of the steel structures are prefabricated in factories, assembled on site, and installed by the whole crane, which must have the cooperation of cranes in construction and have high requirements for the site.
The design of membrane structure mainly includes body shape design, initial equilibrium shape analysis, load analysis and shearing analysis. The body design is used to determine the building plane shape and size, three-dimensional shape, headroom volume, coordinates of each control point, structure type, and selection of suitable membrane materials and construction plan.
The basic function of the gas station canopy is to shelter personnel, vehicles and fuel dispensers from the wind and rain, and it is also an important part of the overall image of the gas station, and even the most important image recognition mark of the gas station.
The joint workshop of Xuchang cigarette factory is a comprehensive tobacco joint production plant consisting of more than thirty different functional rooms, such as formula elevated warehouse, silk making workshop, vacuum damp room, pre-matching cabinet room, etc.
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2023-07-24
