1.Form the steel raw materials supply:Construction steel production capacity and varieties can meet the needs of the construction industry. Since 1996, steel production exceeded one hundred million tons, ranking first in the world,Rolling H series production form 1998 until now,and the finished steel development in the quantity,variety and quality is very fast.and the production capacity of Rolling H series,color steel plate and cold bending steel can meet the needs of the domestic market,and with the continuous improvement of steel production and quality, the price is gradually reduced,Steel structure cost also has a relatively large margin,with the use of the steel structure of the heat preservation and insulation, anti-corrosion materials, fire paint, all kinds of welding materials ,bolts and other products and new building materials technology is also innovation and improvement.
2.From the industrial development level of the construction steel structure: it is in the continuous improvement rise. After several years of development, the quality of professional steel structure design personnel has been greatly improved, the Institute are continuous research and development steel structure design software and new technologies, The industry standard of light steel areas have been complete,and based for light steel application. The Steel production and specialized construction levels already have the world advanced level, Already has more than 10 enterprises the annual output of scale steel can reached 10-20 million tons,and basic commitment to the domestic large-scale steel structure engineering tasks.Whether from the computer design, graphics, digital control, automated processing and manufacturing are all with the same industry international competitiveness,Products range also from the traditional construction engineering structure, machinery and equipment, non-standard components, complete sets of facilities to the commodity housing, container products, port facilities and other direct to the end of the user's products.and the steel structure of the installation method is also many, including energy saving, waterproof, heat insulation and other advanced products set to become one complete set of applications. The integration of design and production of the construction industry will improve the whole construction industry.
3.From the steel structure of the construction project performance: Third of the world's height of 421 meters of the Jinmao Tower in Shanghai, with the international leading level, 279 metres high Shenzhen SEG building, 1490 meters span Runyang Yangtze River Bridge, the span of 550 meters of Shanghai Lupu Bridge, 345 meters across the Yangtze River transmission tower, and Beijing Capital International Airport, bird's Nest National Sports center and so on many an important project of steel structure building system is adopted, marking the China Construction steel structure toward the top heavy and spatial long-span steel structure development.
4.From the largest demand for light steel structure of the industry to promote the development of residential. The country has already put the light steel structure in the housing construction as a revolution . As the housing industry has become a new growth point of economic development in our country, light steel housing will be the only way for the development of housing industry. The premise of housing industrialization is with the new technology, new material and new system, which is compatible with the industry. Because of the steel structure system easy to realize industrial production and standardization, and it can be used as a new material for energy saving and environmental protection. Therefore, the research on the complete sets of the steel structure system, will greatly promote the rapid development of housing industry. The Light steel structure housing industry has been got the national policy guidance and support."Twelfth Five Year" plan has clearly put forward the light steel structure residential system development is focus of the establishment of a modern residential industrial system, technology development direction.after the Wenchuan earthquake, the light steel structure residence has received more and more attention, and April 17, 2010 release of "light steel housing Technical Specification" [View], for the light steel structure housing project provide the basis and to speed up the pace of the promotion of light steel structure housing.
5.From the steel structure building construction cost and market supply and demand point of view. According to the relevant data survey, now the low level of light residential steel structure of the cost is 2500 CNY / square meter, about 1.2 to 1.5 times the cost of similar multi-storey reinforced concrete structure. Market supply and demand, In this century China's steel structure , the proportion of the total steel output is only about 3%,while in steel structure steel, the steel structure with steel and only 10%, Now the policy form"rational use of steel" to "encourage the use of steel",has a positive effect to promote the popularization and application of the steel structure.and the steel industry output from 400 - 500 million to more than 150 billion.In 2010,the construction steel structure of the total steel production reached 6%, but from the developed countries of the construction steel structure accounted for 40 to 60%, there is considerable room can growth, and expected the construction steel market is still in a rapid growth period. |
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