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The dynamic characteristics of the structure of the large span roof structure are obviously different from the dynamic characteristics of general multi-layer / high-rise structure. If artificial analysis is performed in the process of structure analysis, the upper large span roof and the lower multi-layer support structure are performed separately, and it will often lead to a large error in the analysis of the two parts of the structure.
When the space frame is under construction, there are two steps to pay special attention to, which is to ensure safety, but also to ensure that the top of the space frame is conducive to the building, durable, with long life conditions.
With the development of society and people's demand for building space, large span space steel structure will become one of the important structural forms of buildings. The majority of design and construction personnel should actively explore the form and construction technology of large span space steel structures in combination with the actual development of the industry, improve the efficiency and quality of construction, reduce construction risks, and provide the society with high-quality and efficient large span space steel structure building.
The role of steel structure in the field of construction is becoming more and more important, because the steel structure has a smaller weight and higher strength, and its plasticity and flexibility are stronger than other materials. Steel structures have also been applied to the space structure system, especially for large scale venues with large spans and high elevations.
The closed circular coal storage bunker is adopted, and all the coal stored is dry coal. Its main advantages are good sealing, 100% recovery rate without waste, and little environmental pollution. For coastal windy and rainy areas, it can reduce the flying of coal powder and the impact of sewage on the surrounding environment, and the appearance is beautiful and environmentally friendly.
The steel structure tube truss technology has been popular abroad for many years. While the Chinese construction industry is experiencing rapid development, it is gradually paying attention to the building roof system.
This project has a large volume of production and installation works, geometric dimensions, a variety of quantities, high installation accuracy requirements, transport and installation difficulties. Because all kinds of steel components need to be processed and made in the factory, and then transported to the construction site for installation through domestic transport, all kinds of components must be organised and planned in accordance with the requirements of the drawings, classification production, numbering, packing.
The space frame structure is generally a high-order hyperstatically indeterminate structure, which can better withstand concentrated loads, dynamic loads and asymmetric loads, and has good seismic performance.
Fireproof coatings for space frame processing engineering have remarkable fireproof, heat insulation, heat preservation, water vapor, corrosion resistance and other characteristics.
As a new kind of construction, assembly steel structure buildings have a great significance in promoting the development of economic of our country.
Prefabricated steel structure building by the structure system, equipment and pipe space frame system, internal system, peripheral protection system integrated building; The structural system mainly takes steel members as the main skeleton, which are transported to the construction site for assembly and hoisting after processing in the factory. The components are connected by high-strength bolt connection, bolt connection and welding.
Tension beams on the top of independent columns are often used in indoor gymnasiums. Generally, the gable surface is relatively high. There are concrete beams tied in one direction at the top and half height of the column to separate the masonry wall and serve as the support of the parapet wall, while the other direction is Cantilever column.
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