Looking forward to the twenty-first century the development of China's building curtain wall?

China's building curtain wall from 1978, after nearly 30 years of development, especially in the early twentieth century, the rapid development of the 1990s, to the beginning of the twenty-first century, China has developed into the world's first big country of curtain wall production and use of big countries. The first five years of the twenty-first century (2001-2005) China's building curtain wall and continue to develop rapidly.

In 2005, China's production (use) of about 4,150 square meters of architectural curtain wall, architectural curtain wall production (use) accounted for about 80% of the world's 55 million square meters, by the end of 2005 China **** installed about 200 million square meters of architectural curtain wall, accounting for the world's total of 325 million square meters of more than half. China has grown a number of large-scale curtain wall enterprises, several annual output has exceeded 1 million square meters, and some annual output has reached 2.5 million square meters. Their equipment level greatly exceeds that of well-known foreign curtain wall enterprises. Domestic curtain wall production enterprises have been able to provide various types of curtain walls required for different buildings, and contract large-scale projects abroad by competing with international famous curtain wall enterprises in the international arena. Domestic enterprises occupy about 80~90% share in the domestic market, and overseas companies (including Hong Kong, Macao and Taiwan companies) occupy less than 20% market share, and various new advancement levels built in the country in recent years, which provides a solid foundation for the development of architectural curtain wall. In more than twenty years of architectural curtain wall development process, China has trained a large number of curtain wall technology talents, this talent team to doctoral and master's degree as the backbone, they not only successfully designed many large-scale projects of curtain wall, at the same time in the field of curtain wall test and theoretical research has many significant results, this team of thousands of people distributed in the curtain wall production enterprises, professional test institutions (testing center), colleges and universities, research institutes, they are the backbone of China's curtain wall technology, they are the mainstay of China's curtain wall technology. They are the backbone of China's curtain wall technology.

China's building curtain wall quality after more than 20 years of various severe test, Xiamen City, Typhoon No. 9914, gusts of wind speed of 46 m / s, and circling the Xiamen area for more than 8 hours, Xiamen City, more than 70,000 street trees down, outdoor billboards almost off the light, more than 70% of the bus **** car marquee was scraped down, and the main structure of the curtain wall is intact, there are only a small number of glass panels by the Flying sand and stones and billboards collapsed caused by the impact and damage, part of the open fan due to the lack of closure or due to the quality of the locks and was lifted off, a few corner parts of the aluminum plate off, Xiamen Convention and Exhibition Center, 400T-m construction tower cranes tipped over and scrapped, while the Convention and Exhibition Center has been installed in several tens of thousands of m2 of stone curtain wall intact. 2004 Typhoon Yunna landed in Zhejiang, resulting in huge losses, but is located in the center of typhoons in the Only a few glasses in downtown Taizhou were shattered, and some aluminum panels fell off.

Curtain walls, although developed by foreign countries to our country, due to the production and use of such a large number of architectural curtain walls, in the production, use of a wealth of experience, in the construction of these architectural curtain walls thousands of physical performance tests and seismic tests, revealing the inherent laws of the architectural curtain walls, in the summarization of the production experience and scientific experiments on the basis of the development of the production of China's has been formed, On the basis of summarizing the production experience and scientific experiments, carrying forward the tradition of cooperation between production, study and research that has been formed in our country, in addition to the curtain wall production enterprises, professional testing institutions (testing centers) to summarize the production experience and test results, many scientific research institutes and colleges across the country (including the affiliated research institutes) carried out multidisciplinary research on architectural curtain walls, raising the above production experience and test results into scientific theories, putting forward a large number of research reports, and developing a large number of new technologies, new testing methods, New technologies, new testing methods, new techniques and new theories (design principles) have been developed. China is the country in the world that has conducted systematic research and seismic test on the seismic performance of architectural curtain wall and formulated the world's only national standard of Shaking Table Test Method for Seismic Performance of Architectural Curtain Walls; China has conducted a series of tests on the cable system of tensile cable structure and obtained a large number of test parameters, which has enabled China to have a systematic understanding of the mechanism of tensile cable structure and self-balancing cable structure; Wuhan Lingyun has jointly conducted tests on the double-layer structure with Huazhong University of Science and Technology, and developed a large number of techniques, testing methods, techniques and new theories (design principles). Huazhong University of Science and Technology for thermal measurement of double-layer curtain wall sample house, Zhongshan Shengxing and South China University of Technology for double-layer curtain wall thermal and aerodynamic research and software development, Shenzhen Fangda and Huazhong University of Science and Technology for double-layer curtain wall thermal performance of the study, Shenzhen Sanxin and the Shenzhen Academy of Sciences for the joint transparent single-layer curtain wall, sunlight control of the coated single-layer glass curtain wall, double-layer transparent glass curtain wall three Sample room of a year (365 days) continuous solar radiation heat measurement record reveals the solar radiation on the double (single) curtain wall impact of the system parameters, so that China's double-layer curtain wall research, development than other early development of double-layer curtain wall of the country but also in-depth, systematic. China has made great progress in the development of new technology for architectural curtain wall, Shenzhen Civic Center Museum (54m×30m) pre-stressed parallel chord cable network glass light roof is the world's first pre-stressed tensile cable roof structure without concave curves developed by our country, the National Grand Theatre hyperboloidal metal and glass roof, Beijing Botanical Gardens greenhouse large-scale all-glass roof, Baiyun Airport 82,000 square meters of point-supported type Glass curtain wall, the new Poly Building 90m × 60m single-layer cable network glass curtain wall are the world's largest, which marks China's architectural curtain wall has begun to step into a new stage of China's creation.

Reviewing the development of China's architectural curtain wall, China's early use of the curtain wall of the vast majority of the construction of overseas enterprises, the main raw materials, aluminum, glass, all or most of the imports, China's curtain wall (building materials) enterprises are in the competition with foreign enterprises from scratch to grow up, overseas enterprises have decades of development experience and experience under the favorable conditions of the and have nothing (know) of China's curtain wall enterprise competition, and failed to achieve the goal of the Chinese curtain wall enterprises. Curtain wall enterprise competition, but also failed to block the Chinese curtain wall enterprise flourishing development, and its market share has never been able to break through 20%. This is because China curtain wall enterprise at the beginning of technology development as its survival, so in just twenty years time to master the curtain wall technology, and with the development of the situation, and constantly adapt to the situation requires the development of new products, not only to do abroad, China have, China can produce, and do not have abroad, China has. Due to this process is quite short, most of China's curtain wall technicians are very young, and because of the traditional views (system) of the bondage, in the original innovation than foreign enterprises, China is currently using the curtain wall varieties, technology, the vast majority of the introduction of the majority of foreign countries, this is the development of our future to focus on solving the problem of China's own original innovation of the curtain wall varieties (technology), the same curtain wall of the main materials, such as aluminum, Glass and other curtain wall main materials such as aluminum, glass and so on also have the above similar situation, that is, the world's glass varieties of China can produce, China's introduction of equipment are the products of the 1990s, a large part of the advanced than foreign countries, but due to the level of management, the level of technology is slightly inferior to the quality of the product, varieties of products than the same kind of foreign enterprises, especially their own can not be independently and autonomously develop new varieties, relying on the introduction of the constraints will be imposed on others. In the future, we should focus on improving the level of management and technology, pay special attention to original innovation, independent development of new varieties and new technologies with independent intellectual property rights. Although China has established a relatively complete system of technical standards for architectural curtain walls, but the publicity of technical standards, implementation is not in place, for example, in order to limit the harmful light reflection of glass curtain walls and the preparation of the national standard "Glass Curtain Wall Optical Properties" GB/T18091-2000, this standard has been issued for more than five years, a number of provinces and municipalities, even the construction management, environmental management, the courts do not know that there is a national standard. National standards.

Curtain wall products are basically traditional industrial products or labor-intensive industries, China has an advantage in labor costs, in the next few years in the world has a competitive advantage. It has been pointed out that the rest of the world's architectural curtain wall usage of about half of the domestic, the domestic curtain wall enterprise development or the main battlefield at home, but also to the development of foreign countries, such as the former Soviet Union region, Asia, Africa as the focus of the conditions can be appropriate to enter Europe and the United States, can fight for one of the 10-20% of the market, and the domestic market compared to the very small, in spite of this, we can not ignore the foreign market, we must know that only to participate in the foreign market competition. Foreign market competition is the most important way to improve our curtain wall technology.

National planning to change the energy structure of our country, so that solar energy, wind power and other renewable energy generation to reach about 4% of the total power generation. Ministry of Construction building energy saving "Tenth Five-Year" plan outline proposed to develop and utilize solar energy, geothermal energy, groundwater, wind energy and other renewable energy sources, the cumulative completion of 80 million square meters of solar energy buildings, the use of other renewable energy buildings 5 million square meters. He pointed out the glass curtain wall from energy-consuming buildings to the "energy" building development direction, the use of photovoltaic power generation technology, that is, the development of photovoltaic curtain wall, so that the glass curtain wall to the solar energy to electricity, glass curtain wall is not only "bright" up, and "electricity" up. Electricity" up.

In 2005, the state released the "public **** building energy-saving design standards" GB50189-2005, the release of this standard, China's building curtain wall is both a challenge, but also an opportunity, the energy-saving design standards put forward by the energy-saving design standards of the public **** building energy-saving design requirements, so that the cost of curtain walls to increase the curtain wall will reduce the amount of curtain wall, but the state has proposed to the existing building curtain walls (about 200 million square meters) Energy-saving renovation, and required to be completed before 2020 (i.e., about 10 million square meters per year), so we can predict, 2006 ~ 2020 period of China's building curtain wall dosage (including energy-saving renovation) between 40-50 million square meters.

The twenty-first century, our country has joined the WTO, in the economic globalization of the competition is not waiting for me, we must be in accordance with the times, pioneering and innovative guidelines, independent innovation, the development of China's curtain wall technology. The history of the development of the world's architectural curtain wall tells us that most of the new curtain wall is creative by the architects, curtain wall engineers finally realized, the architects to stand in the forefront of the trend of the development of architectural curtain wall, leading the healthy development of this trend. Science always seeks, discovers and understands new phenomena in the objective world, studies and masters new laws, and is always in unremitting pursuit of truth. Science is serious, rigorous, pragmatic, while science is creative, one of the basic attitudes of science is doubt, the most basic spirit of science is criticism. Scientific activity, especially natural scientific activity, compared with other human activities, its basic feature is the continuous progress, even in other areas of regression, science will always be progress, even if it is a slow and difficult progress, which shows that the natural scientific activity contains the most progressive elements of mankind.

China's curtain wall technology to take the world's long, make up for China's short, create China's new. Innovation includes theoretical innovation, institutional innovation, scientific and technological innovation and other innovations. Innovation includes both major scientific and technological breakthroughs, but also includes medium or even small technological progress. The new century, China's architectural curtain wall development to do:

1. To have a plan, this plan should be according to the production of a generation, the development of a generation, the development of a generation, a generation of conceptualization of the requirements of the near-term planning (1-3 years) for the development of the main content of the planning, the medium- and long-term planning (4-10 years) is mainly for the development of the idea of planning, so that for the curtain wall technology, the production of the foundation for sustained development. This planning is not just production development planning, its core should be science and technology innovation planning.

2. Scientific and technological innovation, the key to talent. Cultivate a large number of talented people with the spirit of innovation, create a favorable environment conducive to the emergence of talent, give full play to the enthusiasm, initiative and creativity of scientific and technological talent, is the construction of an innovative country's strategic initiatives. To adhere to the implementation of respect for labor, respect for knowledge, respect for talent, respect for the principle of creativity, the full implementation of the strategy of strengthening the country's talent, firmly establish the concept of human resources is the first resource, improve the structure of talents suitable for the development of science and technology in China's architectural curtain wall needs, and constantly develop and expand the scientific and technological talent of China's architectural curtain wall team. We should insist on discovering talents in innovation practice, cultivating talents in innovation activities, and gathering talents in innovation undertakings. Building curtain wall industry should rely on national major talent training programs, major scientific research and major engineering projects, key disciplines and key scientific research bases, international academic exchanges and cooperation projects, and actively promote the construction of curtain wall industry innovation team, and strive to cultivate a number of morals and talents, international first-class scientific talents, international scientific masters and scientific and technological leaders, in particular, we should grasp the cultivation of a number of young and middle-aged senior experts. Existing talents (especially the young team) should be helped to continue to improve their technical qualities and systematically master new technologies; they should be proficient in one or more foreign languages, and be able to skillfully read and prepare business, design and other documents in foreign languages, and conduct communication and negotiation in foreign languages. But also from home and abroad to absorb a large number of senior personnel to participate in the curtain wall research and development, the formation of a multidisciplinary team of personnel with the level of development of modern science and technology. Curtain wall industry, the majority of scientific and technological workers should be the vanguard of independent innovation, do hard work and dedication to the model, and strive to create a worthy of the times, worthy of the people's glorious achievements.

3. Establishment of a new system of independent technological innovation. Independent innovation is to strengthen original innovation, integrated innovation and introduction, digestion and re-innovation from the enhancement of national innovation capacity. Independent technological innovation to achieve the whole process of autonomy, that is, independent creativity, independent control of the whole process of research and development, independent mastery of innovation results (with full independent intellectual property rights). Innovation to avoid two tendencies, one is self-innovation, it is a closed innovation, independent innovation and self-innovation is the difference between independent innovation is independent control of the whole process of research and development, and in the process of independent innovation does not exclude other countries to participate in the creativity, participate in the research and development of R & D, the R & D subject can be tendered to the world, all the strength and willing to participate in the research and development of the unit (individual) in accordance with the provisions of the conditions are admitted, but their The whole process of creativity and R&D is controlled by me, and the final review and decision-making power lies in me, while self-innovation is a closed innovation, not cooperating with other countries. Another tendency is to give up the control of the whole process of research and development when cooperating with other countries, and the innovation results are left to others, and when the results come out, they neither achieve the purpose of forging and cultivating their own talent team, nor do the innovation results have completely independent intellectual property rights. Establishment of independent innovation, development mechanism, the planned development of industry, academia, research and development of technology development mechanism, enterprises should establish R & D institutions and R & D funds (generally accounted for 2-4% of annual sales), at the same time, enterprises and domestic and foreign institutions of higher learning, scientific research institutions of the joint research, development should be changed from the current situation of individual enterprises, individual projects sporadic and scattered into a planned, long-term planning for the unity of the organization. Mechanism, give full play to the advantages of the entire population to run the curtain wall. Cultivate a large number of enterprises with independent innovation ability and independent intellectual property rights. Transformation of curtain wall industry with information technology (including the development of more advanced computing software, the establishment of CAD → CAM system that is the paperless production system, logistics and distribution system, quotation and simulation of bidding system and other computer management systems), so that our country in the near future from the curtain wall production of large countries to become a curtain wall technology powerhouse.

4. Curtain wall industry according to modern enterprise management mechanism for industrial restructuring, the formation of a number of global economic competition can participate in the "carrier fleet" to lead the curtain wall industry development. These enterprises in addition to independent innovation ability, but also have the world famous brand strategy. To realize that the core competitiveness is the brand, no self, own international famous brand can not talk about participating in global competition, China's enterprises must have a sense of creating a famous brand, to establish their own international famous brand to the important agenda, in the talent internationalization on the basis of internationalization of the brand. From the development of the world's processing plants to dominate the world's industrial development is the road to survival of enterprises, the world's processing plants type of development model is a dumbbell development model, OEM production of our enterprises can only get a small portion of the processing fee is a low-efficiency development model, only self-development, independent intellectual property rights, their own brand-name products, in order to achieve the maximum economic benefits, only the high-efficiency production is to have the potential for development, There is a development potential of the production, the realization of the internationalization of the brand has a long way to go, as long as we adhere to the long-term internationalization of the brand, our country will be able to realize the curtain wall technology based on the strength of the country to become a strong brand of curtain wall.

5. Improve the market economy conditions, with the world norms, standards system. In conscientiously implementing the Ministry of Construction on the "mandatory provisions of engineering construction standards" and "the implementation of mandatory standards for construction supervision provisions" on the basis of diluting the mandatory technical specifications, technical specifications can not be used as a general sense of the law, whether or not to comply with the norms, designers can not avoid responsibility to change the past "as long as the norms in line with the provisions of the norms, even if out of the Change the past "as long as comply with or do not violate the provisions of the specification, even if there is a problem, the designers can not be held legally responsible" understanding (British standards and specifications, there is a full text of the only sentence in bold print, and uniformly placed in the specification of the last line of the preamble to highlight the importance of the called "compliance with the British Standards itself, does not give exemption from legal liability"). This forces designers to move. This forces designers to use their brains, their creativity and their quality to solve problems. Technicians should be guided by the specification and be creative in solving problems rather than following it blindly. Specification preparation should take the road of marketization and diversification, to avoid exclusive monopoly, specification review members should be broadly representative, to implement the public announcement system, not by the specification preparation unit (preparation group) circle. To prevent individuals, individual units to use the norms prepared for the unit to monopolize the market, crowding out other enterprises, so that the norms really become the norms on behalf of the interests of the broadest number of people. China's norms (standards) should not only be in line with the world to improve the rate of adoption of international standards, but also on the basis of original innovation, so that China's compilation of norms (standards) is the world's latest technology crystallization, to become the international competition for the first to adopt the norms (standards). The technical standards of publicity, implementation to open up more effective ways to make it a household name, implementation in place.

6. In improving the level of governance on the basis of improving the government's management of curtain wall enterprises, the government should be in the policy, the direction of sustainable development to give guidance to enterprises, in the management of the Ministry of Construction on the strict implementation of mandatory standards for construction supervision of the provisions of the implementation of mandatory standards for the implementation of the implementation of the supervision of the situation. Encourage enterprises to adopt new technologies, new techniques and new materials, promote the development of curtain wall technology, create a favorable environment for enterprises to create a brand name, guidance, support and encourage enterprises to create a brand name. Curtain wall enterprise technicians should adhere to the "not only on, not only book, only the real" scientific attitude, set up a sense of innovation, dare to be the first, and vigorously develop the new technology of the curtain wall, the formation of theoretical innovation, institutional innovation, scientific and technological innovation and other innovations of the linkage mechanism, a variety of innovations to promote each other, and promote each other.

7. Accelerate the pace of globalization. It includes a variety of contents, first of all, strengthen and foreign technical exchanges and cooperation, realize the internationalization of talents, invite foreign experts to work in our country, lecturing, participate in technological innovation and new technology, new product development. Enterprise leaders, technical personnel to go abroad, to understand the world, to select and send outstanding young technicians to further study abroad, set up research and development institutions in foreign countries, as soon as possible to master the world's advanced technology, to catch up with the world trend of development of curtain wall technology, and then lead the world trend of development of the curtain wall, curtain wall enterprises can not be confined to undertake the domestic projects, but also to go abroad to undertake the project, to participate in the world's large-scale competition for the curtain wall project, which not only strengthens the economic strength of the domestic curtain wall enterprises, but also the development of the curtain wall, and the development of the curtain wall. Domestic curtain wall enterprise economic strength, and is to achieve the curtain wall technology in the world leading prerequisite.

A country, a company's only lasting competitive advantage is to have the ability to learn faster than its competitors, as long as we are good at learning, good at summarizing experience, make full use of more than two decades of China's construction of more than 200 million square meters of architectural curtain wall of the practice of experience and the development of other industries in China's new technology, relying on the establishment of a large army of curtain wall technology personnel, and constantly with the world's latest scientific and technological to Transformation of the curtain wall industry, we are fully confident and confident in about ten years to catch up with and exceed the world's advanced level, from Made in China to China to create a new stage of development, from the curtain wall production of big countries into a curtain wall technology powerhouse, brand powerhouse.

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