3D modular building technology for the residential industry?

1 technical characteristics and advantages of the main features:

Technical features: (1) the implementation of the standardization of the design of the Vision (Vision) modular building system is to be the functional space of the building, the design is divided into a number of sizes suitable for the transportation of the standardized "hexahedral space module", the design process to achieve standardization, but the design process is flexible and diverse. The design process is standardized, but the house type structure is flexible and diverse, and is not restricted by the shape of the fa?ade. (2) Realize the factory-based production of building parts and components Vision space modules are composed of a series of two-dimensional plane components, through the module assembly manufacturing factory's advanced production and assembly lines and strict production and quality control systems, all two-dimensional components are assembled into a space module. (3) Realization of on-site construction assembly Wilson (Vision) modular building system is based on factory production and realizes the transportation of building modules to the site for on-site assembly.

Major advantages: (1) thorough industrialization: more than 85% of the main part of the building body, including finishing, is completed in the factory. (2) High-rise buildings can be built: buildings with higher floors can be constructed, and the most cost-effective market is the refurbished residence below 100 meters, which is applicable to the mainstream residential market. (3) Steel-hybrid structure: it can be flexibly used in combination with the traditional cast-in-place concrete construction method to solve the construction needs of large-span space; it is widely used in residential buildings, office buildings, hotels, etc., especially in the market of subsidized housing and well-decorated residential buildings, which is the main market. (4) Shaped Module: Shaped module can be used to solve the need for personalized design of house type and facade.

(5) High building quality: environmental protection, energy saving, sound insulation and other indicators to reach the European Class A (world-class) standards, safety, environmental protection, energy saving, full functionality; anti-seismic, anti-disaster performance. High building quality, building design life of 70 years. (6) Environmental protection and energy saving: compared with reinforced concrete structure, saving more than 80% of concrete; on-site construction to save 70% of electricity, 70% of water, steel savings of more than 15%, on-site building waste reduction of 85%, 95% of the construction waste materials recycling. (7) Cost-effective: competitive construction price. The comprehensive cost of modular residential building is more competitive than the traditional construction method; the higher the degree of finishing, the more the modular construction technology can reflect the superiority of cost-effective. (8) Mature patented technology: the company has a number of patents, including international invention patents, proprietary technology, including from the design to manufacturing, erection, acceptance of the system links, enterprise management and continuous research and development of international standards; from the design, manufacturing, erection to acceptance of the complete construction system, occupying the industry's commanding heights.

2 Module building system construction process

(1) Module engineering design; (2) Module raw material procurement; (3) Module building system foundation and core cylinder pouring construction; (4) Module processing and manufacturing; (5) Module transportation; (6) Module on-site assembly; (7) Completion of the acceptance of modular buildings.

3 Significant significance of the new technology

(1) the construction industry is one of the largest industries, coupled with supporting building materials industry and services, modular city complex concept, the project is very large radiation, even if only a few percent of the market, there are hundreds of billions, trillions of dollars of output value. (2) Aggregation effect: supporting building materials, logistics, industrial workers training, financial support services and other construction industry chain R & D aggregation effect. (3) Market demand data: the United Kingdom, for example, industrialized housing accounted for the construction of the market share of about 20% per year is more than 70% of the speed of rapid development. And this proportion in China is less than 1%, but is far beyond the international average level and speed of rapid development. (4) Domestic first: the technology system has the highest industrialization rate in the field of industrialized housing. (5) Leading technology: This technology has the industry's high point status in the world.

(6) Creation of an industry: The business model under the new technology system is suitable for designing and planning according to the concept of modular new city, which drives the overall development of upstream and downstream industry chains. (7) business development radiant and strong growth: the construction market space is huge, supporting building materials, logistics, industrial workers training, financial support services and other industries synchronized cohesion, and its successful operation will quickly lead to hundreds of billions, trillions of dollars of industrialized housing industry development. (8) Involving the national standard: it is a complete construction system from design to manufacturing, erection to acceptance, which can completely replace the traditional construction mode. It will become an important system basis for China's national standard of steel structure assembled house. (9) High starting point of the project: the project is implemented under the direct guidance and key incubation of the Science and Technology Committee of the Ministry of Housing and Construction, the Science and Technology Development Center of the Ministry of Housing and Construction, and the Science and Technology Development Promotion Center of the Department of Housing and Construction of Jiangsu Province. The cooperation units include China Architectural Design & Research Institute and National Residential Engineering Research Center, China Academy of Building Research, Shenzhen Innovation Investment Company Limited, Tsinghua University and other first-class professional organizations in China and their core executives directly involved. (10) Core Competitiveness: In the process of housing industrialization and urbanization, the bottleneck encountered is that there is no structural system support, and it is all about attaching new materials and technologies to the traditional process. The company currently owns a technological system characterized by breakthrough innovation, occupying the industry's high point, with strong core competitiveness.

4 development situation

In today's world where resources are becoming increasingly scarce and environmental protection and energy saving are advocated everywhere, modular building is an inevitable trend in the development of the construction industry, and is also the direction that government policies strongly encourage and support. Premier Li Keqiang pointed out: China's future development potential in the largest urbanization. The acceleration of the urban process is in a critical period of modernization, but as an important carrier of urbanization construction of the construction industry, the development mode is still relatively sloppy, governments at all levels are looking for a way out: combing technology, grasping the demonstration, creating a model, and figuring out the management ideas and methods. The Chinese government's No. 1 document in 2013, put forward the "Green Action Program", the main content of the program requirements: government investment in buildings and other buildings since 2014 to fully implement green building standards, and will study the establishment of a green building materials certification system, to encourage the new residential one-time renovation in place or menu-type decoration.

Program requirements: grasp the important strategic opportunity of urbanization and new rural construction, establish the concept of the whole life cycle, from policies and regulations, institutional mechanisms, planning and design, standards and norms, technology promotion, construction and operation, and industrial support to comprehensively promote the green building action, and accelerate the construction of resource-saving and environmentally friendly society. The main goal of the program is to strictly implement mandatory energy-saving standards for new buildings in cities and towns during the 12th Five-Year Plan period, to build 1 billion square meters of new green buildings, and in 2015, the proportion of green buildings in new buildings in cities and towns will reach 20%. Requirements of the program: study the establishment of a green building materials certification system, strengthen the quality of building materials supervision and inspection, and organize and carry out the demonstration of the industrialization of green building materials. At the same time requires the implementation of residential full renovation, encouraging new homes to be renovated once in place or menu-type decoration.

5 green building industry new city

"Green building industry new city": modular building is like an aircraft carrier, the joint industry chain from raw materials deep processing - building materials - construction - supporting services - industrial/commercial/real estate developers **** with the build, suitable for small and medium-sized cities urbanization and industrial workers It is suitable for the urbanization of small and medium-sized cities and for industrial workers to live and work in peace and happiness. Like steel city, automobile city, modular building industrial city, will be a sunrise model of China's economic development zones, pragmatic and innovative, replicability, investment more around the main line platform, clear goals and obvious advantages. Modular building will be a bigger industry than automobile manufacturing, is a sunrise model industry, pragmatic and innovative, replicability, "theme industry new city" planning more scale and reasonable. In the future, it can even integrate steel, major equipment and other surplus industries. Residential industrialization, is the dream of the construction industry, urbanization is the footsteps of the times, with the means of residential industrialization for the construction of new towns and cities is the great wheel of history, is a very systematic planning, any one individual, an enterprise, an institution and a level of government to promote the difficulties, but the great demand of the community in Zhenjiang, this piece of hot land to bring everyone together, pull open the curtain of the historical drama of modular construction.

6 National first modular building technology application demonstration project - Zhenjiang Gangnan Road housing project

(1) Building name: Zhenjiang New District Gangnan Road public housing district (2) Construction unit: Zhenjiang New District housing construction development company (3) Design unit: China Academy of Architectural Design and Research (4) Supervision unit: Zhenjiang Xinhua University. (4) Supervision Unit: Zhenjiang Xinhua Engineering Construction Supervision Limited Liability Company (5) Construction Location: The project is located in the eastern new area of Zhenjiang City, the plot south of Gangnan Road, the east side of the planning of Fengqi Road, the west side of Yandunshan Road. (6) engineering features: this project is eighteen floors above ground and two floors underground. Building height (outdoor ground to the top of the daughter wall): 54m+1.50m+1.00m=56.50m. Total building area: 134500m2 (calculated floor area ratio building area: 96000m2), of which the underground building area is 38500m2, and the above ground building area is 96000m2.(7) This project adopts the modular core system for construction, and the building construction is carried out respectively On-site and factory at the same time. The construction of the underground garage, the second underground floor of the main body, the first underground floor and the core cylinder part of the main body above ground are completed on site. In addition to the above part, the main above-ground buildings are factory-built modules, after construction to the site around the core to build, and complete the entire building insulation and exterior decorative surface layer construction.

The modules are fixed to each other both horizontally and vertically and are attached horizontally to the core, with load-bearing walls aligned top and bottom. Each residential set consists of 2-3 modules, each module consists of concrete floor slab, steel dense column wall and ceiling truss, and the modules are separated into different rooms by non-load-bearing walls. The seismic intensity of the project is 7.5 degrees, the design service life is 70 years, and the fire resistance level of the construction project is Grade II. (8) As of October 15, 2014, construction site No. 4 has been completed, Building No. 5 has been constructed to the 5th floor, and Building No. 8 has been constructed to the 7th floor, and we have proved with indisputable facts that: in less than one hour, under the guidance of engineers, five workers and technicians can complete the lifting and loading of a module, and the 18 modules on one floor can be completed in 1.5 working days, and the internal finishing has been completed. The construction site is neat and clean, no noise, scaffolding is not needed, the working surface is very small, the working environment is clean, simple, safe, environmentally friendly, and the sea of people no longer appear. The labor intensity is low and the mechanization rate is very high.

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