The widespread popularity and promotion of steel structure buildings are closely related to their advantages. We all know that the construction speed of steel structure buildings is known for its speed, because steel structure components are easy to manufacture in factories and assemble on construction sites. The factory’s mechanized manufacturing of steel structural components has high precision, high production efficiency, fast assembly speed on site, and short construction period. Steel structure is the most industrialized type of structure. In addition, compared to traditional building structures, the steel used in steel structures has higher strength and elastic modulus. Compared with concrete and wood, the ratio of density to yield strength is relatively low. Therefore, under the same stress conditions, the component section of steel structures is small, the self weight is light, and it is easy to transport and install. It is suitable for structures with large spans, high heights, and load-bearing capacity. Steel has toughness, good plasticity, uniform material, high structural reliability, and is suitable for withstanding impact and dynamic loads, with good seismic performance. The internal organizational structure of the steel is uniform, almost isotropic and homogeneous. The actual working performance of the steel structure is in line with the Theory of computation. So the steel structure has high reliability.
When it comes to the advantages of steel structures, it is not limited to the above content. The characteristics of steel structures are fire resistance and resistance to heat. When the temperature is below 150 ℃, the changes in steel properties are minimal. Therefore, steel structures are suitable for hot workshops, but when the surface of the structure is subjected to thermal radiation of around 150 ℃, insulation boards should be used to protect it. When the temperature is between 300 ℃ and 400 ℃. The strength and elastic modulus of steel significantly decrease, and when the temperature is around 600 ℃, the strength of steel tends to zero. In buildings with special fire protection requirements, steel structures must be protected with refractory materials to improve their fire resistance rating. In addition, steel structures are prone to rusting when used in humid and corrosive environments. Generally, steel structures need to be rust removed, galvanized or coated, and regular maintenance is required. For offshore platform structures in seawater, special measures such as “zinc block anode protection” need to be taken to prevent corrosion.
