165438+1October 4, the State Council held an executive meeting, pointing out that "the pilot project of steel structure construction should be carried out in combination with shed reform and earthquake-resistant housing project". As early as 20 13 and 10, when the State Council issued "the State Council's Guiding Opinions on Resolving the Contradiction of Serious Overcapacity", he also proposed to promote the application of steel structures in the construction field and increase the proportion of steel structures in public buildings and government-invested construction fields. Insiders said that after two years, the government once again issued a "cry" for the promotion of steel structure buildings, indicating the determination to promote the iron fist. Steel structure buildings will play an important role in the field of architecture, especially in shed reconstruction and earthquake-resistant housing projects. As an important part of promoting new urbanization with people as the core, the transformation of shanty towns into steel structures has pinned the hope of millions of families with housing difficulties to improve their living conditions. According to the Notice of the Ministry of Finance on Doing a Good Job in the Renovation of Urban shantytowns, all localities should determine the resettlement measures for the renovation of urban shanty towns according to local conditions, manage and make good use of the special funds for the renovation of urban shanty towns, and reach the goal of completing 5.4 million sets of shantytown renovation by the end of 20 15. "The renovation of shanty towns will help improve the living environment and quality of residents. The the State Council meeting specifically pointed out that the steel structure building is of far-reaching significance as a pilot building system for shed reform. " Dan Yin Mu, chairman of Hangxiao, who is committed to building a "world-class green building integration service provider", told reporters that in fact, with the improvement of technology, steel structure buildings, especially steel structure houses, have entered the lives of ordinary people. Its short investment cycle and obvious benefits make steel structure residence the first choice for shantytown renovation projects. The data show that the steel structure is 5-8% higher than the traditional concrete building, the construction efficiency is 4-5 times higher and the construction period is reduced by 1/3. It is understood that replacing concrete buildings with steel structures on a large scale or upgrading "old houses, dangerous houses and shanty towns" with steel structure technology can not only reduce the casualties during the earthquake, but also fundamentally overcome the fatal defects such as "bolt fracture" and collapse caused by "micro-vibration" of traditional concrete buildings. In addition, according to experts, as an important representative of green buildings, 75%~80% parts of steel structure buildings can be processed in factories, and at the same time, they are easy to disassemble, some products can be reused and materials can be recycled. The dead weight of steel structure buildings is reduced by 40%, carbon emissions are reduced by 35%, and on-site staff is reduced by about 60%. The reporter learned that as the promoter and leader of the domestic steel structure construction industry, Hangxiao has many successful cases in shantytown renovation and affordable housing projects, such as the shantytown renovation project of Bahar Road in Tianshan District of Urumqi, the high-quality shantytown renovation project of Qingfeng Road 13# building in Shayibak District of Xinjiang, and the affordable housing project of Qianjiang Century City1KLOC-0/building, all of which adopt the most advanced steel structure residential technology system in China. "On the road of shed reform and affordable housing, the advantages of steel structure buildings will be fully exerted. Hang Xiao has been working hard on affordable housing projects and has never stopped in technology research and development. We hope and are willing to build a comfortable and safe green home for more residents through our more mature steel structure building system. " Dan Yin Mu said. Building an "Ark of Life" for steel structure buildings to live in earthquake resistance is a respect for life. Some people have found in combing the major earthquake disasters in recent years that countries with relatively large steel structures have suffered relatively little direct damage. This is because the steel structure has high strength, light weight, good ductility and toughness, and good comprehensive seismic performance. Under the same earthquake intensity, the earthquake damage of steel structure residence is much smaller than that of reinforced concrete building, and it is recognized as the "Ark of Life". At present, steel structures have been popularized in developed countries, with steel structures accounting for 765,438+0% in Japanese buildings, 70% in Britain and more than 50% in the United States, while the proportion in China is only about 5%. A large number of buildings in China still use traditional civil and concrete structures, which are easy to collapse in earthquakes and become the biggest killer of earthquake disasters. In this regard, Chen Rui, vice president of Hangxiao Co., Ltd. said that the steel structure itself is very stable and unified, and the "slight vibration" of the pavement has relatively little impact on the building, so the collapse tragedy of "bolt fracture" of concrete buildings will not be repeated in the steel structure. "Now, the country has taken earthquake-resistant housing as an important project. On the one hand, it has raised people's awareness of disaster prevention and mitigation, on the other hand, it has promoted the development of related industries and markets and provided a good social environment for the comprehensive promotion of steel structure buildings. " Dan Yin Mu said. However, due to the misunderstanding of the traditional concept of "high cost and expensive construction" and the immaturity of domestic steel structure technology, steel structure has not been vigorously promoted in the past. According to reports, Hangxiao adheres to the concept and goal of building an "Ark of Life" for every household, and constantly makes innovations and breakthroughs in steel structure technology and materials. The reporter learned that there is no crack in the CCA slab grouting wall of Hangxiao patented technology, and only local cracks are produced in many destructive experiments, which can meet the requirements that the main structure will not collapse and personnel safety will not be injured during the earthquake; At the same time, the latest "steel tube bundle combined shear wall structure residential system" with Hangxiao's own experience and technology as the core has successfully applied for a patent. Due to the cost reduction in operation management, financing loan and labor, its cost can be equal to or even slightly lower than that of traditional concrete buildings, and it is expected to become the industry standard of steel structure buildings in the future. According to industry insiders, the effective combination of government policy support and market mechanism has further played the exemplary role of steel structure housing and provided a model for large-scale shed reform with low cost and stable sources. Whether it is shed reform or earthquake-resistant housing project, the large-scale popularization and application of steel structure buildings is not long, which opens the market door for enterprises adhering to the concept of green development.
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