Characteristics analysis of steel section
High structural strength: compared with I-beam, the section modulus is large, which can save 10-15% of metal when the bearing conditions are the same.
Flexible and rich design style: in the case of the same beam height, the opening of steel structure can be 50% larger than that of concrete structure, thus making the building layout more flexible.
Light structural deadweight: Compared with the deadweight of concrete structure, the reduction of structural deadweight reduces the internal force of structural design, which can make the building structure with low foundation treatment requirements, easy construction and lower cost.
High structural stability: hot rolled H-beam steel-based steel structure, its structure is scientific and reasonable, good plasticity and flexibility, high structural stability, suitable for bearing vibration and impact loads on the building structure, anti-natural disaster capability, especially for some of the multi-earthquake occurred in the belt of the building structure. According to statistics, in the world, in the devastating earthquake disaster of more than 7 magnitude, the degree of victimization of the steel structure building mainly made of H-beam steel is the smallest.
Increase the effective use area of the structure: Compared with concrete structure, the cross-section area of steel structure column is small, which can increase the effective use area of the building, depending on the different forms of the building, it can increase the effective use area by 4-6%.
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