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Steel Structure Has The Characteristics Of Non-leakage


Steel structure

1, steel structure, light weight and high bearing capacity: a lightweight high-strength materials

2, steel mouth close to the homogeneous isotropic body: the steel is divided into small pieces of each small pieces will have roughly the same mechanical properties and performance in all directions is also roughly the same as the basis of solid mechanics

3, steel plasticity and toughness: in the static load under the steel has a good plastic deformation capacity

4, steel has a good welding performance: the so-called welding performance "good" refers to the steel in the welding process and after welding can maintain the integrity of the part of the nature of the crack

5, the steel structure with non-leakage characteristics: regardless of the use of welding, Steel Structure riveting or bolted steel structure can be closed without leakage

6, steel structure manufacturing factory, construction and assembly: lighter construction site to facilitate the small footprint of the construction period is also easy to remove the reinforcement and expansion

7, poor corrosion resistance of steel: steel in the humidity, Steel Structure erosion of the environment in the environment is easy to weaken the corrosion of the structure to damage the impact of life and thus the need for regular maintenance of steel structure

8, the heat resistance of steel structure is good, but the fire performance is poor: the experiment proved that the steel from room temperature to 150 ℃ when the performance change is not greater than 150 ℃ after the strength and plasticity changes are very high to 600 ℃ when the strength dropped to zero completely lost load capacity Improve the fire resistance of the steel structure half of the commonly used concrete or brick will be wrapped up the structure can also be coated with fire coating file fire coating thickness of 15mm when the steel members of the fire resistance of 1.5h

Reasonable application range of steel structure

1, heavy industrial plant: span and column spacing are relatively large or with heavy duty crane or large tonnage crane or with 2 to 3 layer crane plant and some high temperature workshop should adopt steel crane beam steel roof truss and steel column and other components As well as all steel structure

2, large span structure: the greater the structure of the span to reduce the structural weight has a significant economic effect

3, high-rise structure and high-rise buildings: high-rise structure, Steel Structure including high-voltage transmission tower tower substation structure broadcast and television towers and masts, etc. Steel Structure These structures are mainly used to withstand wind load steel structure in addition to heavy weight in the installation of construction, The cross section of the component reduces the wind load to achieve greater economic benefits

4, by the dynamic load of the structure: the steel because of the dynamic performance of good toughness can be used as a direct bear from the larger or larger span of the bridge crane crane beam

5, removable and mobile structure: mobile exhibition halls and activities, Steel Structure such as housing should be the most appropriate use of steel structure weight light to the demolition of the use of bolts connected to facilitate the assembly and dismantling of construction machinery in order to reduce the structure of self-weight must use steel structure

6, containers and pipes: because of the high strength of steel and good sealing and thus high pressure trachea and pipe gas cylinders and boilers are made of steel

7, light steel structure: the use of single-angle steel or thin-walled steel composition of the light steel structure and the door-type steel frame structure with a small weight construction and faster than the advantages of steel and other advantages in recent years has been widely used

8, other buildings: transport corridor bridge a variety of pipe support and blast furnace and boiler structure, etc. Steel Structure are also commonly used steel structure

Overall, according to China's actual situation, steel structure for high, large, Steel Structure heavy and light structure

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