Professional service for steel material supply
American standard H-beam, British standard H-beam, European standard H-beam, and external standard H-beam
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The weight of residential buildings made of H-shaped steel in the steel structure Jiande standard is about half of that of reinforced concrete residential buildings, which can meet the demand for large bays of residential buildings and increase the usage area by about 4 compared to reinforced concrete residential buildings. Steel can be recycled, with less environmental pollution during construction and demolition, which is in line with the national policy of promoting the industrialization of housing and developing energy-saving and land saving housing.
China is currently a large construction market, with an average annual construction area of about 2 billion square meters (3.2 billion square meters in 2009), of which steel structures account for about 2-3%. The vast majority are reinforced concrete and brick concrete structures, and there are also a small number of wooden, brick and stone structures and adobe houses.
The same applies to nearly 800 million square meters per year of urban residential buildings. The proportion of steel structure buildings in the entire construction industry in China is less than 5, while in developed countries it has reached over 50. The potential development space for residential steel structures is very large.
At present, pilot demonstration projects have been built in Beijing, Shanghai, Tianjin, Hebei, Wuhan, Qingdao and other places for low rise, multi story, and high rise steel structure residential buildings. More than 5 million square meters have been completed, with approximately 200000 tons of steel used. Baosteel has invested a large amount of funds and researchers in the industrialization of steel structured residential buildings.
Multiple steel structure demonstration residential projects have been designed and constructed in Wuhan, Shenyang, and other places. In 2007, the steel structure demonstration residential project - Saibo Garden Economic and Applicable Housing Community was built in Hanyang District, Wuhan, meeting the technical requirements of the World Steel Association for "International Civil Building Steel Projects". In addition, Baosteel has completed a pilot project on the utilization of prefabricated housing materials for over 600000 sets of prefabricated houses provided as transitional resettlement houses in Sichuan earthquake stricken areas.
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