What is prefabricated steel structure?

1. What is prefabricated steel structure?

Steel structure is a natural structure, but not all steel structures are prefabricated buildings, especially bad prefabricated buildings.

2. Seismic performance.

In 1985, the collapse rate of steel structure buildings in Mexico was much lower than that of concrete buildings. The 1995 magnitude 7.1 Hanshin earthquake damage statistics also showed the same result. In 2015, Tongji University conducted a three-story full-scale experiment on the layered frame system, showing that after the structure experienced an earthquake acceleration of 0.26g (equivalent to a 9-story earthquake), except for the seismic support, the rest of the structure was intact.

3. Defects of concrete prefabricated buildings.

Although some progress has been made in the research and application of prefabricated concrete structures, concrete structures are different from steel structures and have obvious disadvantages in the development of prefabricated buildings. First of all, in the processing of key technologies, a lot of wet work is still needed to ensure the integrity of the structure; there are still problems such as imperfect and unsystematic key technologies in the application. Secondly, the concrete structure is a structural form that consumes more resources, which violates the low-carbon green building we advocate.

3. Well-designed steel prefabricated buildings are more economical than prefabricated concrete buildings.

The advantages of fabricated steel structures.

Compared with prefabricated concrete buildings, prefabricated steel structure buildings have the following advantages:

1) No on-site cast-in-place joints, faster installation speed, and easier construction quality assurance;

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2) The steel structure is a ductile material and has better seismic performance;

3) Compared with the concrete structure, the steel structure is lighter in weight and has a lower foundation cost;

4) Steel structure is a recyclable material, which is more green and environmentally friendly;

5) Well-designed steel structure prefabricated buildings are more economical than prefabricated concrete buildings;

6) Beams and columns The cross section is smaller and more usable area can be obtained.

4. Enclosure system.

Enclosure system is a key factor in prefabricated buildings. The steel structure system must cooperate closely with the enclosure system and be harmonious and unified. For example, residential buildings can leave a bad impression on prefabricated buildings, because Chinese residents who are used to scissor wall structures do not want to see beams and corner posts indoors. In addition, structural issues such as sound bridge detailing are also key technologies for prefabricated steel structures.

Building Materials Technology Co., Ltd. is a prefabricated residential design, production, installation and maintenance station service enterprise. 13 years of industry experience. The 30,000-square-meter production base has a full range of products such as prefabricated buildings, integrated houses, light steel villas, container houses, prefab houses, etc. The products are widely used in cultural and tourism houses, public houses, temporary residential houses, residential office houses, etc Four areas, hotline:,.

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