Q345B H Beam Low Alloy H Shaped Steel

Low Alloy Q345B H Beam

1. High structural strength Compared with I-beam, the section modulus is large, which can save 10-15% of metal in the same bearing condition. 2.
2. Flexible and rich design style In the case of the same beam height, the opening of the steel structure can be 50% larger than that of the concrete structure, thus making the building layout more flexible.
3. Light structural self-weight Compared with the light weight of concrete structure, the reduction of structural self-weight reduces the internal force of structural design, which can make the building structure with low foundation treatment requirements, easy construction and lower cost.
4. High structural stability. Low-alloy 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 of the building structure, strong resistance to natural disasters, especially suitable for some of the multi-earthquake occurred in the building structure of the belt. According to statistics, in the devastating earthquake disaster of more than 7 magnitude in the world, the degree of victimization of steel structure building mainly made of H-beam steel is the smallest.
5. 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%.
6. Save labor and materials Compared with welded H-beam steel, it can obviously save labor and materials, reduce the consumption of raw materials, energy and labor, with low residual stress and good appearance and surface quality.
7. Convenient for mechanical processing Easy structural connection and installation, but also easy to dismantle and reuse.
8. Environmental protection The use of low alloy H-beam steel can effectively protect the environment, specifically in three aspects: First, compared with concrete, can be used in dry construction, generating little noise, less dust; Secondly, due to the self-weight reduction, the foundation of the construction of the amount of soil is less, less damage to land resources, in addition to a large number of reduction in the amount of concrete to reduce the amount of excavation and stone excavation, is conducive to ecological protection; Thirdly, the expiration of the service life of the building structure, the structure dismantled, the solid produced by the structure, the structure is not a good choice. Thirdly, after the expiration of the service life of the building structure, the amount of solid waste generated after the structure is dismantled is small, and the recycling value of scrap steel resources is high.
9. High degree of industrialized production Low-alloy H-beam steel-based steel structure has a high degree of industrialized production, which is convenient for machinery manufacturing, intensive production, high precision, convenient installation and easy to guarantee the quality, and it can be built into a real housing production factory, bridge production factory, industrial plant production factory, etc. The development of steel structure creates and drives the development of the industry. The development of steel structure creates and drives the development of hundreds of new industries.
10. Fast construction speed covers a small area, and is suitable for all-weather construction, and is little affected by climatic conditions. The construction speed of steel structure made of low alloy H-beam steel is about 2-3 times of the construction speed of concrete structure, and the capital turnover rate is increased exponentially, which reduces the financial cost and saves investment. To China's "first tallest building" Shanghai Pudong's "Golden Trade Tower" as an example, the main body of the structure up to nearly 400m high in less than half a year to complete the structure of the roof, while the steel mixed structure requires two years of construction period.

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