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Basic Introduction to Steel Structures

Time:[2023-11-1]  Hits:2911

The structure mainly made of steel is one of the main types of building structures. The characteristics of steel are high strength, light self weight, good overall rigidity, and strong deformation ability, making it particularly suitable for building large-span, ultra-high, and ultra-heavy buildings; The data has good homogeneity and isotropy, and belongs to the ideal elastic body, which best conforms to the basic assumptions of general engineering mechanics; The data has good plasticity and toughness, can have significant deformation, and can withstand dynamic loads well; Short construction period; Its high degree of industrialization allows for specialized production with high mechanization. In the future, high-strength steel should be studied for steel structures to greatly improve their yield point strength; In addition, new types of steel sections, such as H-beams (also known as wide flange steel sections), T-beams, and profiled steel plates, need to be rolled to meet the needs of large-span structures and super high-rise buildings.

In addition, there is a lightweight steel structure system without thermal bridges, and the building itself is not energy-efficient. This skill uses clever special connectors to solve the problem of cold and hot bridges in the building; The small truss structure allows cables and water supply and drainage pipes to pass through the wall, making construction and decoration convenient; Unmatched energy-saving is the only building system in the world that uses cold-formed thin-walled steel to build 7-story residential buildings.


In China, the degree of commercialization of steel structure professions is relatively high, and the competition in shopping malls is relatively fierce. Currently, there are around 4000 to 5000 steel structure enterprises in China. According to the statistics of the China Steel Structure Association, up to now, there are a total of 238 units with the qualification of steel structure manufacturing enterprises, but most of them are small and medium-sized enterprises with an annual output of less than 10000 tons, and only more than 30 enterprises with an annual output of more than 100000 tons. Most enterprises have small production scales and low occupational concentration.


(1) From the perspective of the segmentation of shopping malls with different business types of steel structures - intelligent research consulting and organization


In the field of light steel structures, due to relatively low entry barriers, there are many small and medium-sized enterprises participating in the competition, presenting a strong regional competition format. The competition in shopping malls is more intense, and the product gross profit margin is relatively low. The focus of the competition is reflected in the scale advantage of factory production.


In high-end application fields such as large-span spatial steel structures, high-rise heavy steel structures, bridge steel structures, large boiler rigid frames, and offshore platform steel structures, due to the high skill content, difficulty in production and installation, high financial requirements, high qualification requirements, high product quality and precision requirements, relatively few production enterprises, the entry threshold is high. The competition in shopping malls depends on the enterprise's skills and financial strength, scale Product quality and brand, with a high gross profit margin. The main participants in the competition are professional leaders with special qualifications for steel structure production enterprises (according to the China Steel Structure Association, up to now, there are 61 enterprises with special qualifications for steel structure production enterprises nationwide, including our company, Jinggong Steel Structure, Southeast Grid, Hangxiao Steel Structure, Huning Steel Machinery, Honglu Steel Structure, etc.). The competition environment is relatively flat, and the development prospects of shopping malls are broad. It is expected that they will become the focus of the competition in steel structure engineering in the future.


(2) From the perspective of regional distribution, most large-scale steel structure enterprises gather in Shanghai, Zhejiang, Anhui


The development of steel structure manufacturing industry in coastal and central cities such as Shandong, Guangdong, and Beijing is at the forefront of the country. According to statistics, Zhejiang ranked among the top five provinces and cities in terms of steel structure output value in China in 2012

Copyright:佛山市勝邦鋼結構有限公司 Foshan Shengbang Steel Structure Co., Ltd. Record Number:粵ICP備13078463號
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