The times are updating, technology is progressing, and new technologies are discovered and applied all the time. China is in a relatively backward position, and it can't compare with the developed countries such as the United States and Western Europe in terms of project technology innovation, application and management. With the spread of information and the cultivation of talents, China's information technology is ahead of other technologies, which has promoted the progress in many fields, such as aerospace, aviation, electric power, machinery, automobile repair and so on. With its strong driving force, it has greatly improved from information technology to production process, to industrial management and after-sales. Driven by this background, bim technology has broken the cocoon into a butterfly, made full use of the position of architectural engineering in the times, participated in project decision-making and design, improved the efficiency of decision-making and the strength of design, and made contributions to the development of the construction industry.

Second, the introduction of BLM

(1) Introduction to BLM

BLM, referred to as the whole building life cycle for short, starts from the planning of construction projects and is defined as the whole process of design, construction, operation, maintenance and demolition, which is very important for construction projects. The life cycle of BLM is mainly divided into four stages, the first stage is the planning stage, the second stage is the participation stage, the third stage is the construction stage, and the fourth stage is the operation stage.

(Application of BIM in BLM

In the whole life cycle of BLM, BIM technology is mainly used in the following aspects: First, in the planning stage, BIM technology is mainly used in actual background, model building, estimated cost, batch stage, scene selection, spatial layout and so on.

Secondly, in the design stage, BIM technology is mainly used to verify the design scheme, including the formulation, selection, analysis, evaluation and standardization of the scheme. Then in the construction stage, BIM technology is mainly used for coordination, design and use rules, system selection, technical treatment and material use. Finally, in the operation stage, BIM technology is mainly used in the recording part of construction, including the formulation and maintenance of covering projects, the analysis and management of projects, and the later maintenance and warranty.

Advantages of BIM technology application In the process of using BIM technology, people can not only improve the accuracy of budget, reduce mistakes and save material and manpower, but also have the following advantages: First, the model information of association and collaboration. Using BIM technology, based on extension relation and three-dimensional geometry, the model information of association and cooperation is constructed, which involves construction information and management information in an all-round way.

Secondly, identify the updated model construction. In the whole life cycle of BLM, it is strongly required that the information model objects corresponding to BIM technology must be identifiable and renewable. After statistical analysis, the system builds model information, records related documents and graphics, forms a virtual table, and does not update synchronously from time to time. Finally, it is an integral model of evolution and expansion. BIM technology is an overall summary of the whole building life cycle of BLM, involving model change and related construction expansion, as well as synchronous management and operation from two-dimensional to three-dimensional and then to four-dimensional.

Third, the advantages of computer simulation BIM technology in the reconstruction of steel industry buildings

With the extensive use of computers, various technologies have developed rapidly in the information age. Of course, BIM technology is no exception. Let's discuss the advantages of BIM technology in the transformation of steel structure industrial buildings under the impetus of computer technology. First of all, BIM technology has high efficiency in the reconstruction of steel industry buildings. BIM technology can choose the most suitable scheme in the transformation of steel structure industrial buildings, and comprehensively improve the transformation effect of the project.

In the initial stage of industrial building design, BIM technology is used to coordinate the relationship between designers and various practical problems such as materials, structures and equipment, and can make flexible changes, provide a number of alternative emergency measures, intuitively and efficiently show the most appropriate conclusions, which greatly brings favorable influence to the success of transformation. Secondly, BIM technology is economical in the transformation of steel structure industrial buildings. BIM technology saves the whole project cost in the transformation of steel structure industrial buildings, which makes the transformation of steel structure industrial buildings have a broader prospect.

In the initial stage of industrial building design, the use of BIM technology established a time-saving and labor-saving data platform. On this platform, we can optimize the mobilization of manpower and material resources, coordinate work systematically after better distribution, display cost information comprehensively and clearly, and process cost data efficiently, so as to control the crisis in the reconstruction of iron and steel industry buildings and better understand and respond to the cost demand in the reconstruction of iron and steel industry buildings. Then, BIM technology is simple and convenient in the transformation of steel structure industrial buildings.

In the transformation of steel industrial buildings, BIM technology reduces the design difficulty and simplifies the design process. In the early stage of industrial building design, BIM technology can make the two-dimensional drawings of the design scheme synchronize with the actual situation, update them in time, and form structural details quickly and conveniently, which greatly reduces the difficulty in the design process and also reduces the difficulty of dealing with two or more details changes.

Next, the intuition of BIM technology in the reconstruction of steel industry buildings. BIM technology intuitively expresses the collocation of steel industrial buildings in the transformation of steel industrial buildings, and forms a model structure that can be directly previewed. In the initial stage of industrial building design, BIM technology will automatically and intuitively form a steel structure industrial building model, and realize a four-dimensional visual model, which is convenient for observation and transformation.

Finally, BIM technology is safe in the reconstruction of steel industry buildings. BIM technology improves the importance of life in the transformation of steel structure industrial buildings and increases the safety of steel structure industrial buildings. In the preliminary design stage, construction stage and operation stage of industrial buildings, BIM technology can be used to monitor the whole building life cycle of the whole steel structure industrial building group with the help of computer technology, report problems in time, and integrate all kinds of hidden dangers in advance, so as to improve the safety performance of steel structure industrial buildings and reduce unnecessary economic losses.

Four. Application status of BIM technology in steel structure industrial building reconstruction

The current situation of BIM technology in the transformation of steel structure industrial buildings is not optimistic, and it faces many objective restrictions. Steel structure building belongs to the category of green building in the field of building materials, which well embodies the theme of sustainable development. Because of its high environmental practicability, good toughness, elasticity, patience and seismic performance, it is widely used in the design and construction of industrial buildings. However, under good attribute conditions, it is faced with objective conditions such as materials, structures, scenes and technologies.

First of all, as we all know, industrial buildings with steel structures are generally expensive. In order to cope with the unexpected situation in the process of transformation, the gap between theory and practice after transformation must be considered in design and construction, involving structure, materials, usable area, national regulations, human environment and so on. Therefore, compared with other buildings, industrial buildings should pay more attention to variation in the early stage of design. Secondly, industrial buildings with steel structures require high construction accuracy. The industrial building with steel structure requires high function, spacious space and large structural span, but the peripheral protection structure is very fragile.

In order to avoid the fragility of the external envelope in the reconstruction project, it is necessary to reform the technology, innovative ideas and functions of the design and treatment of the external surface of industrial buildings, so as to make it more in line with the reality of today's times, ensure high construction accuracy and maintain the original architectural style. Finally, the steel structure design of steel structure industrial buildings is difficult. The structural modeling of steel industrial buildings is complex and costly. Designers must consider the material and structure, reasonably calculate, calculate and choose the best scheme to meet the design requirements and concept construction, so it is very difficult.

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