Knowledge of H section steel

H section steel is a kind of cross section area allocation optimization and weight more reasonable than economic section effective profiles, because of its cross section the same as the English letter "H" the name. Since the different parts of h-beam with orthogonal configuration, so h-beam in all directions has bending capacity, simple construction, cost saving and structure light weight etc, and has been widely used. Compared to other sections, it has the following features:

1. The structure of high strength. Compared with i-steel, section modulus, load bearing conditions being the same, can save metal 10-15%.

2. The flexible design style, rich. In the same high beam, the steel structure of 50% than large width of concrete structure, so that the building is decorated more flexible.

3. The structure of high stability. Is given priority to with hot-rolled h-beam steel structure, its scientific and reasonable structure, good plasticity and toughness, high structure stability, applicable to withstand vibration and impact load large building structure, strong ability to resist natural disasters, especially suitable for some more earthquake belt structure. According to statistics, in the above magnitude 7's devastating earthquake disasters in the world, predominantly h-beam steel structure building victims is minimized.

4. Increase effective use area of structure. Compared with concrete structure, steel structure column cross-section area is small, which can increase the building effective use area, depending on architectural form, can increase effective use area of 4-6%.

5. Province work material. Compared with the welded h-beam, can significantly save work material, reduce the consumption of raw materials, energy and artificial, low residual stress, surface appearance and good quality.

6. Environmental protection. Using h-beam can effectively protect the environment, embodied in three aspects: one is compared with concrete, can use dry construction, small noise, less dust; 2 it is due to reduce weight, foundation construction soil quantity is little, little damage to land resources, in addition a large number of concrete consumption, decrease rises increasely stone, be conducive to the protection of the ecological environment; Upon expiration of three is the service life of the building structure, the structure is disassembled, small solid garbage, high scrap recycling value.

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