At the same time, designers can also complete some design intentions that are difficult to try in the actual operation process through building simulation, and analyze their feasibility and construction costs, such as heat conduction simulation in precast buildings, energy conservation simulation in engineering construction, etc.

This construction mode is more efficient, but there is a lot of preparatory work to be done in the early stage, not only to do a good job in building design, but also to grasp the production of components.

Digital technology is used to support the whole life cycle management of construction projects, and help the exchange and collaboration of information through the visual display of the construction process.

BIM technology is used in the design of precast buildings.

Based on the consideration of construction cost, part of the architectural design innovation will be abandoned on the basis of ensuring the feasibility, resulting in the lack of diversity of most engineering buildings, which is difficult to meet the growing diversified needs of the public.

Its integrity features can effectively help architectural designers reduce the time for manual accounting and information processing.

3.2 Application of engineering construction During the construction process, BIM technology can be used to sort out all kinds of information generated during the construction process, and keep these information reasonably.

② BIM is a shared data set, which can provide the constructor with reliable basis for all decisions in the whole life cycle from new construction to demolition.

These rich data of various types provide the basis for the auxiliary calculation of the program, and can automatically complete the work that previously required a lot of manpower, such as collision detection, structural load calculation, etc.

1 Definition and core value of BIM technology ① BIM is an information data collection of physical and functional characteristics of building facilities.

With the rapid development of China’s construction industry, the distribution of demonstration projects of precast buildings has also changed, so it is necessary to use BIM technology for construction technology disclosure under the conditions of considering the actual situation and specific requirements of demonstration projects, and adjust the potential problems of construction technology of each subcontractor in a timely and flexible manner.

At the same time, a large number of building design specifications and parameter analysis work increase the labor cost of building engineering design, It is not conducive to the improvement of architectural design efficiency.

BIM is not a collection of tools and software, but a concept.

Only by using BIM technology can we strengthen the introduction of time attribute, so that we can improve the real-time and accuracy of the technical disclosure of precast buildings, enable each subcontractor to carry out construction work under the condition that they have a detailed grasp of the characteristics of precast parts and relevant construction processes, and can fully reflect the actual effect of the technical disclosure in the construction stage.

BIM technology makes use of its simulation characteristics to promote the continuous optimization of the design scheme of assemblable buildings.

The digital information in BIM can be automatically managed by the program, and the cross discipline and cross unit data can match with each other to achieve reliable consistency and solve the problem of multi unit and multi discipline collaborative work.

The BIM technology simulation feature can help architectural designers predict and analyze the project buildings through the transfer and distribution of materials, and improve the technical problems that may exist in the design process.

The biggest difference between the precast building and the traditional building mode is that the precast building needs to prepare the corresponding structural components before construction, and the structural components need to be produced and finally assembled in the construction stage.

We can also regard BIM as a parameterized set of 3D geometric models of buildings.

Through BIM technology, you can have a comprehensive understanding of the overall situation of the construction.

③ In all phases of the project, all project participants can add, extract, update and modify data in BIM, so as to provide a platform for collaborative work for all participants.

Digital information in the whole life cycle of buildings can be integrated into the model for the needs of all participating units.

In this set, all building components contain not only 3D geometric information, but also actual engineering parameter information.

In actual operation, designers can design a relatively feasible design scheme in a short period of time and analyze the problems in the design scheme in real time as long as they import the information of the construction project and the project design standards into the software, It reduces the error risk caused by manual accounting and effectively improves the efficiency of architectural design.

2.2 The traditional architectural design, which is conducive to the continuous optimization of architectural design scheme, can only be scientifically and reasonably planned and designed through the existing environmental conditions of the construction project.

Only a more comprehensive understanding of the construction information can better carry out the follow-up arrangement of various works, formulate the construction plan, and during the construction process, It is necessary to formulate the next construction plan in advance and use BIM technology to process information, which can also improve the rationality of the construction plan..

It emphasizes the digitalization of buildings.

Fixing Socket Angular End

3 Application of BIM technology in precast building construction stage 3.1 Technical disclosure of precast building construction In order to reduce problems in the process of construction technical disclosure, it is necessary to increase the application of new BIM technology in precast building construction, select reasonable technology to help maintain the relevance and fit of various processes in the construction stage, and facilitate subcontractors to flexibly use BIM technology to carry out precast building construction, Ensure the steady development of assembly projects.

2 The importance of BIM technology in precast building design 2.1 Effectively improve the efficiency of building design In the process of traditional precast building design, designers need to repeat basic operations such as data collection, sorting, analysis and calculation of construction projects, which greatly increases the design cycle of engineering projects.

If these work is not prepared, it is likely that the building structure will not match during the later assembly, which will affect the normal construction.