Building steel structure engineering are mainly constructed with steel, mainly consisting of steel beams, steel columns, steel pipes and other parts. Their centers are generally connected by welding, bolts, rivets, etc., which is a major form of building structure. It has the advantages of light weight and simple construction, and is widely used in large construction projects.
The selection of materials for steel structure engineering is combined with the investment cost, and suitable materials are matched according to different market demands to maximize the effectiveness of investment. If the pollution in some areas is becoming more and more serious, the roof enclosure materials should be matched with low-grade plates to ensure the input cost in the later use time. There is also gutter material. The recommended material for the inner gutter must be 304 # stainless steel for the same reason as the roof slab. Other ways can save costs.
The hoisting of steel structure shall follow the construction sequence of “center column first, column beam second, and bottom up first”. Install a stable frame system in the middle of the house, and then push it to both ends to symmetrically install the remaining steel columns and steel beams.
In order to ensure the integrity of the engineering building, it can make the engineering building more humanized, facilitate the design scheme and construction of the next stage, and create a steel structure project combining technology and plastic arts.
Characteristic:
First, the product prefabrication rate is high, the construction cost is low, and the construction period is short.
In steel structure engineering, the coefficient of change should be unified, and large-scale production and manufacturing should be adhered to, which has improved the degree of productization of building industrialization. The early production of steel structure project has integrated the production and installation of raw materials, greatly reduced the basic construction cost, accelerated the construction speed, and shortened the construction period by about 40%.
Second, the steel structure can meet the requirements of superelevation and large-span.
The steel structure is symmetrical, close to the anisotropic homogeneous body, with high compression strength and high modulus. Compared with glass, concrete and wood, its relative density ratio is much lower. Under the same pressure conditions, the weight of steel structure is small, and it can be made into a complex structure type with large span, width and height.
Third, raw materials can be recycled, which is conducive to environmental protection and sustainable development.
Steel is a kind of high strength, toughness and raw material with good recycling value, which can also be recycled without mold.
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