Alliance: the need for sustainable development
"China's sustainable development of the national report" to the world to make a green commitment to sustainable development. In China, building energy consumption accounts for about 30% of the total energy consumption of the whole society, adding that China's three major energy-hungry industrial energy and transportation energy consumption. With the continuous progress of the urbanization process in China, effectively reducing building energy consumption is imminent.
House demolition once created GDP, cover once again creating GDP, China has created in the construction of this destructive cycle of two world: the consumption of the world's largest cement and steel, also produced the world's most construction waste. Construction waste in China has accounted for 30% to 40% of the total waste, which is contrary to the spirit of building a resource-saving and environment-friendly society, it is a serious departure from the scientific concept of development and sustainable development. Its consequences not only causing huge waste of social resources, a lot of construction waste was stacked and landfill to take up a lot of land around the city, at the same time, contain harmful chemicals garbage also serious corrosion surface and contaminate groundwater source will pose a great threat to the environment and human habitat.
Foreign scholars on China expert said, "for the benefit of future generations, we built residential sustainable development. Residential ye build the future are concrete and other construction waste. It is reported that, for the development of the steel and other recyclable building, Japan implemented a mandatory policy. The data show that Japan accounts for about 1/3 of the total construction steel building.
The old "mass production, mass consumption, a large number of abandoned traditional city-building mode must be changed," pollution first, treatment later "can not continue. "Second five" energy saving and environmental protection industry development plan "has the resources recycling industry as one of the" 12th Five-Year "three major areas of focus of the development of energy saving and environmental protection industries.
Alliance: the needs of the development of green building
There is a new type of building system can get through the boundaries between the industry in the real estate, construction, metallurgy, machinery and equipment manufacturing industry, the national strategic resource reserves, collection become a new industrial system, this is the steel building system. "Thing factory site which can be done, the altitude of the things ground to do the dangerous and complex things machines do thing of field stakeout and pre-assembled computer to do", can greatly improve project quality and safety standards, to achieve the Green Construction Therefore, to promote the use of steel building has become the most important content of China's traditional architectural industrial transformation and upgrading.
To actively promote the steel building system in our country, many people of insight already publicly urged. As early as in 1996, when he was the chief engineer of the Ministry of Construction, Yao Bing pointed out: "The 21st century will be the century of steel structures." In June 2004, when he was appointed Deputy Secretary-General of the Iron and Steel Industry Association Li Shijun said: "The steel industry and construction industry alliance is conducive to the common development of the two industries. " Yao Bing, the current president of the China Construction Metal Structure Association pointed out: "China's steel output ranked first in the world, steel stocks are a serious problem, the development of the steel building will be able to solve the problem of steel inventory.
Of course, the objective is not just to solve a large backlog of steel, but because, in the building life cycle, steel building system can not only meet the building needs of the development of steel buildings with energy, land, water conservation, dialectical relationship between and materials and protect the environment, but also effectively reduce the destruction of urbanization on the natural environment, which is a structure type urbanization environmental impact. Therefore, in developed countries has been widely used and is referred to as the main representative of the Green Building.
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