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15

2019

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07

What are the characteristics of H-beam

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1. H-beam design style is flexible and rich
With the same beam height, the bay of the steel structure can be 50% larger than the bay of the concrete structure, thus making the building arrangement more flexible.

2. Light weight structure
Compared with the self-weight of the concrete structure, it is lighter, and the reduction of the self-weight of the structure reduces the internal force of the structural design, which can make the foundation treatment requirements of the building structure low, the construction is simple, and the cost is low.
reduce.

3. Increase the effective use area of ​​the structure
Compared with the concrete structure, the cross-sectional area of ​​the steel structure column is small, which can increase the effective use area of ​​the building, depending on the building.

4. High structural stability
The steel structure dominated by hot-rolled H-beam has a reasonable structure, good plasticity and flexibility, and high structural stability. Building structures in the earthquake zone. According to statistics, among the devastating earthquakes of magnitude 7 or above in the world, the steel structure buildings dominated by H-beams suffered less damage.

5. High structural strength
Compared with I-beam, the section modulus is large, and the metal can be saved by 10-15% under the same bearing conditions.

6. Ease of machining
Easy structural connection and installation, and easy removal and reuse.

7. Save labor and materials
Compared with welded H-beam, it can obviously save labor and material, reduce the consumption of raw materials, energy and labor, low residual stress, and good appearance and surface quality.

8. Fast construction speed
It occupies a small area, is suitable for construction, and is less affected by climatic conditions. The construction speed of the steel structure made of hot-rolled H-beam is about 2-3 times of the construction speed of the concrete structure, the capital turnover rate is doubled, the financial cost is reduced, and the investment is saved.

9. High degree of industrial production
The steel structure mainly made of hot-rolled H-beam has a high degree of industrialization, which is convenient for mechanical manufacturing, intensive production, high precision, convenient installation, and easy quality assurance. The development of steel structures has created and driven the development of hundreds of emerging industries.

10. Environmental protection
The use of H-beam can effectively protect the environment, which is reflected in three aspects: first, compared with concrete, dry construction can be used, which produces less noise and less dust; The damage to land resources is small, and in addition, the amount of concrete is greatly reduced, and the amount of rock excavation is reduced, which is conducive to the protection of the ecological environment; third, after the service life of the building structure expires and the structure is dismantled, the amount of solid waste generated is small, and the recycling value of scrap steel resources is high. .

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