A study of the factors influencing assembly building projects?

Assembled building refers to the use of prefabricated components assembled at the construction site of the building construction, which includes a number of processes such as the production of building components, transportation and connection. Assembled building has the following advantages Assembled building has the following advantages:

(1) short construction cycle short construction cycle: compared to the traditional on-site pouring construction method injection construction method, assembly work method in the construction site only need to complete the lifting of the components, splicing work splicing work. According to statistics, the use of assembly method of multi-storey and low-rise buildings will be able to shorten the construction period of at least 500% of the duration of the construction period;

(2) low carbon and environmental protection low carbon and environmental protection: to reduce the site of the wet work produced by the construction of construction debris as well as dust pollution construction debris as well as pollution of dust, the construction of templates, the use of low amount of enclosure structure;

(3) high quality guarantee rate high quality guarantee rate: all components are produced in the factory to facilitate the production of the construction of the construction of the building. Are in the factory for production, to facilitate the centralized control of the quality of centralized control, the rate of defective products is low. At present, China's construction enterprises mostly use the traditional construction technology and design programs, although the traditional construction process has been accepted by most engineers and technicians Although the traditional construction process has been accepted by most engineers and technicians, but with the rapid growth of urban population with the rapid growth of urban population, the increasingly fierce competition in the market as well as the rapid tightening of the profits of the construction project profits of the rapid tightening of the profits of the project. , the old construction management mode has not been able to adapt to the development of today's times times. For our country, assembly building is a new type of construction, its operation process is by the factory mass production components its operation process is by the factory mass production components, and then the movement of the construction site for installation installation. Assembly building not only improves the efficiency of building construction, but also can save a lot of manpower to save a lot of manpower to save resources while also ensuring environmental protection.

Domestic and international development status of assembly building

Assembly building originated in Europe during World War II assembly building originated in Europe during World War II. After the end of World War II, most of the houses in Germany's German West region was destroyed most of the houses in Germany's West region was destroyed, in order to solve the problem of post-war housing, the government of Germany's West region and construction companies began to pilot assembly building West region's government and construction companies began to pilot assembly building. Similar to Germany, and later some more developed countries, such as Japan, the United States, France, etc. also began to gradually implement this building method gradually implement this building method, and formed a distinctive features of the characteristics of residential industrialization features. And China's assembly building only started in the 1950s, after nearly three decades of development nearly three decades of development, although has achieved certain research results, but still did not keep pace with the times to keep pace with the times, and then gradually replaced by concrete buildings. The development of assembled buildings still exists a great obstacle to the exhibition still exists a great obstacle to the development of assembled buildings.

The main factors affecting the implementation of China's assembly building projects

Improvement of the project management system

No matter what the industry no matter what the industry, want to get the sustainable development and good operating conditions, must be inseparable from the stable project management system. Project management system is a complete chain complete chain, including development, production, transportation, construction and other aspects of the *** with the organization of the organization, and the organizational model is the core of the development of an enterprise, only a stable organizational model to ensure the healthy development of the enterprise's organizational model can ensure the healthy development of the enterprise. But at present, China's existing construction enterprises in terms of enterprises, in the process of implementation of assembly building projects, the intermediate links there are still a lot of problems there are a lot of problems: the development department of the assembly building of the understanding of bias, short-sightedness, focusing only on the immediate interests of the future survival of the situation; production, transportation sector operating system development lagging behind the development of operating system development lagging behind the development of the management methods and production processes are present Loopholes; construction sector management experience is insufficient door management experience, lack of relevant professionals, thus making the assembly building project in the process of implementation of constraints in the process of implementation of constraints.

Construction technology development is not yet in place

Construction technology is the main difference between the assembly building and traditional construction, and, construction technology problems will directly affect the final completion of the project effect of the work effect. At present, China's assembly building construction technology: on the one hand, the development of on-site construction technology is not yet perfect construction technology development is not yet perfect construction technology development is not yet perfect, too much reliance on traditional construction technology, lack of innovation; on the other hand, on the other hand, the assembly building components modulus standard system is not sound enough to standardize and mass production of structural components and mass production of structural components, the formation of the standardization of the whole industry unity; lastly on the one hand, on the other hand. The cultural level of the labor force is generally too low, unable to adapt to the new construction mode style in a short period of time, unable to meet the standards that should be, the impact on the construction efficiency is counterproductive.

Policy formulation is not sound

For the assembly building for the assembly building, sound management mode and perfect technical process is certainly important, but in the process of implementation is also inseparable from the support of the policy to hold. At present, our government issued policies, more or less there are certain loopholes certain loopholes, mainly reflected in: (1) the relevant laws and regulations are not perfect relevant laws and regulations are not perfect, not sound; (2) lack of relevant economic policy support lack of relevant economic policy support, for example, tax breaks, science and innovation incentives, etc.; (3) on the assessment of building quality policy is not sound policy for assessing the quality of the building unsound.

Measures to improve the efficiency of the implementation of assembly building projects

Improve the project management system

Assembly building started late in China assembly building started late in China, and was subjected to certain constraints in the process of development certain constraints in the process of development, and the project management system is not very perfect, so China's enterprises should be imported from abroad to introduce advanced technology from abroad to introduce advanced technology from abroad to introduce advanced technology from abroad to introduce advanced technology from abroad to introduce advanced technology from abroad, and according to our country's Advanced technology, and according to China's national conditions and the actual situation to improve improve improve improve improve improve improve improve improve the construction efficiency and quality of assembly building, and promote the rapid development of China's assembly building the rapid development of construction.

4.2 Improvement of construction technology and process

For assembly building for assembly building, the need to continuously improve construction technology and process technology and process through technological innovation, so as not to be eliminated due to the footsteps out of step with the times. Therefore, the government in order to improve the enthusiasm of enterprises on the project, should develop relevant incentive policies off the incentive policy, improve the policy in the loopholes, and strengthen the supervision and implementation of the strength of the strength.

5 Development trend of assembly building project

5.1 Application of building information modeling technology

bim technology as a technology technology as a technology, a method, a process, including both the information model of the whole life cycle of the building the information model of the whole life cycle of the building, and at the same time, including the model model of the construction project management behavior. Unlike traditional buildings, assembly buildings in the early stages of design not only need to complete the processing and production of components to complete the processing and production of components, construction and installation, maintenance, etc., but also need to complete the building into a building, structure, mechanical and electrical and other professional coordination and cooperation work, workload is large, a lot of information redundant redundant redundant. The application of BIM technology can be a powerful solution to the above problems the application of technology can be a powerful solution to the above problems: (1) BIM model can be realized on the building components of information technology to express the functional model can be realized on the building components of information technology to express the function of the prefabricated components of the structure of the detailed drawings of the 33D intuitive dynamic display of the intuitive dynamic display, and in advance of the pre-scrambling simulation test trial, to improve the accuracy of manufacturing; (2) BIM model can also directly guide the prefabricated components in the production process in the factory within the production process, generating components processing diagrams, automatic generation of each component two-dimensional code and production form production form, for the assembly building project in the production and construction of the whole process to provide convenience.

5.2 ""Internet of Things", "Big Data" and other general-purpose technology integration

Integrated application of popular integrated application of popular "Internet of Things", "Big Data", etc. Internet", "big data" and other information technology applications to realize the information management of the project, complete the tracking cycle of the whole life cycle of the assembly building project tracking, positioning and maintenance work. Through the decomposition of the overall building model solution, the prefabricated components of the specific code, with the help of each production line reading device, transport vehicles GPS positioning device and construction personnel in the hands of the Internet of Things information terminal, you can realize the components of the production, transportation, construction of the whole process of seamless integration, for the subsequent building construction to provide technical support continued building construction to provide technical support. Assembly building project as China's emerging construction mode mode, although still in the development stage, construction technology and techniques and organization and management system is not very perfect department is not very perfect, but these can not hide the advantages of assembly building advantages. Anything in the early stages of development are prone to encounter a variety of resistance: assembly building initial investment in construction of large initial investment, only from a short-term perspective, will not quickly produce significant economic benefits; but from the building of the whole life cycle to consider, the economic advantages will be very considerable, worth the exploration and practice of various departments of the technical staff is worth the exploration and practice of various departments of the technical staff. Therefore, as each assembly building enterprise construction enterprises, should gradually improve the project organization and management system, play the scientific research power, innovative construction technology and technology construction technology and technology; and as the government and regulatory departments, should be in the principle of encouraging, supporting and guiding the development of the assembly building business under the principle of actively promoting the development of the assembly building business under the principle of guiding the development of the assembly building business to improve the construction efficiency and quality of the construction of the assembly building project in China. Efficiency and quality of the construction efficiency and quality of assembly building projects, and promote the rapid development of assembly building in China's rapid development.

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