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Collision between science and technology and historic sites

October 21, 2019

In recent years, as a new technology based on digital model, 3D printing has gradually become an important driving force to accelerate the upgrading and transformation of traditional manufacturing industry, which is used to break through the bottleneck of R & D or solve design problems, and to help intelligent manufacturing, green manufacturing and other new manufacturing modes. Recently, Hebei University of technology successfully copied and assembled the Millennium Monument Zhaozhou Bridge with 3D printing technology.

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I. 3D printing of Zhaozhou Bridge: a Millennium Monument of science and technology "romantic hand in hand"

As we all know, Zhaozhou Bridge is located in Zhaoxian County, Shijiazhuang City, Hebei Province. It was built by Li Chun, a craftsman of Sui Dynasty. It is the oldest, largest span and most complete single Kong Tan arc open shoulder stone arch bridge in the world. On October 13, the assembly concrete "3D printing Zhaozhou Bridge" was successfully completed in Beichen campus of Hebei University of technology. As a new technology, 3D printing technology "romantic hand in hand" with a Millennium Monument with a history of more than 1400 years, netizens have praised the collision between Millennium civilization and cutting-edge technology.

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It is understood that the fabricated concrete 3D printing Bridge, led by Professor Ma Guowei, vice president of Hebei University of technology and Dean of the school of civil engineering and communications, has a total length of 28.1 meters and a span of 18.4 meters. It is the longest span, longest total length and largest scale concrete 3D printing bridge in the world. The 3D printing cement-based mechanical equipment is independently developed and designed. Even the concrete materials are specially prepared. The team also comprehensively considered the load factors in the conventional design of various bridges, with high safety factor.

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The fabricated concrete 3D printing Zhaozhou Bridge is full of black technology, which endows the traditional bridge with modern flavor. Based on the construction experience of 3D printing building, BIM virtual simulation technology, modern intelligent monitoring method and modular printing technology are introduced to optimize the node assembly form and directly construct the assembly type on site. Compared with the traditional construction, the 3D printing technology of concrete saves about 1 / 3 of the building materials and 2 / 3 of the manpower. The highly automatic printing process greatly improves the construction efficiency, and does not increase the cost due to the geometric complexity of the structure. It can greatly reduce the pollution of the site environment, and it is an innovative technology to promote the development of assembly building and intelligent construction.

II. 3D printing technology promotes the development of key technologies of intelligent construction

The successful completion of the 3D printing Zhaozhou Bridge of Hebei University of technology can promote the rapid development of the key technology of intelligent construction, which is of great significance to the realization of green, industrial and intelligent construction industry in China. 3D printing technology is the core of intelligent construction, and also provides a new idea for the restoration, reconstruction and protection of ancient bridges. For example, some ancient buildings such as towers, bridges and walls are seriously damaged but have high cultural relic value. We can consider to move and preserve the ancient buildings or architectural sites as a whole, and then provide tourism development for 3D printing of ancient buildings, and provide funds for the protection of ancient buildings, so as to form a good cycle. It is believed that 3D printing will be applied to more and more cases in the field of bridges, houses and other construction, and the technology will be more and more advanced in the future.

3D printing is usually realized by digital material printer. It is often used in mold manufacturing, industrial design and other fields to manufacture models, and then gradually used in the direct manufacturing of some products. There are parts printed by this technology. The technology has applications in jewelry, footwear, industrial design, engineering and construction, automobile, aerospace, medical care, education, geographic information system, civil engineering and other fields.

III. evangelist of 3D-3D printing industry

Shenzhen chuangxiang 3D Technology Co., Ltd. is a famous 3D printer manufacturer in the world. It is also a pioneer in the research and development and mass production of FDM and DLP 3D printers in China. The company has been committed to the market-oriented application of 3D printers, providing individuals, families, schools and enterprises with efficient and affordable comprehensive 3D printing solutions to meet the requirements of each creativity for efficiency, quality and rapid prototyping.

Looking forward to the future, chuangxiang 3D will adhere to the original intention, practice the concept of customer first, produce better quality 3D printers with the spirit of industry preacher, provide more high-quality and high price products, meticulous and thoughtful services, bring convenience and fun to thousands of households, and contribute to the rise of manufacturing industry in China!