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Highlights of Steel Structure Building

Views:73     Author:Site Editor     Publish Time: 2020-06-17      Origin:Site

  1. The material has high strength, and its own light weight steel has high strength and high elastic modulus. Compared with concrete and wood, the ratio of density to yield strength is relatively low, so under the same stress conditions, the steel structure has a small cross-section, light weight, easy transportation and installation, suitable for large spans, high heights, and heavy loads Structure.

  2. The steel has good toughness, good plasticity, uniform material, high structural reliability, suitable for withstanding impact and dynamic loads, and has good seismic performance. The internal structure of the steel is uniform, close to an isotropic homogeneous body. The actual working performance of the steel structure is more in line with the calculation theory. Therefore, the reliability of the steel structure is high. 

  3. High degree of mechanization in the manufacture and installation of steel structures. Steel structural members are easy to manufacture in factories and assemble on site. The mechanized manufacturing of steel structure components in the factory has high precision, high production efficiency, fast assembly on site, and short construction period. Steel structure is the most industrialized structure. 

  4. The sealing performance of the steel structure is good. Because the welded structure can be completely sealed, it can be made into a high-pressure container with a good air tightness and water tightness, a large oil sump, a pressure pipe, etc.

  5. The steel structure is heat-resistant and non-refractory. When the temperature is below 150℃, the properties of the steel material change little. Therefore, the steel structure is suitable for the hot workshop, but when the surface of the structure is radiated by heat at about 150 ℃, it should be protected with a heat insulation board. When the temperature is between 300℃ and 400℃, the strength and elastic modulus of the steel are significantly reduced. When the temperature is around 600℃, the strength of the steel tends to zero. In buildings with special fire protection requirements, the steel structure must be protected with refractory materials to improve the fire resistance level.

  6. Poor corrosion resistance of steel structure, especially in the environment of moist and corrosive media, easy to rust. The general steel structure should be derusted, galvanized or painted, and should be regularly maintained. For offshore platform structures in seawater, special measures such as "zinc block anode protection" are required to prevent corrosion.

  7. Low-carbon, energy-saving, green and environmentally friendly, the demolition of reusable steel structure will almost not produce construction waste, and the steel can be recycled and reused.

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