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Building Information Modeling (BIM)


BIM (Building Information Modeling) is an advanced process used in the construction industry (AEC) based on digital 3D models used throughout the life cycle of a design, infrastructure and construction project . These models are much higher than the 2D, 3D drawings alone, which are made up of smart models with a lot of information, changed and updated throughout the development process project.

Inforgraphic “Importance of BIM in the construction industry”

How does BIM affect design efficiency?

Technology is changing ways of buildings, infrastructure designed, built and operated. And it helps improve the working process, improve the design performance and operate throughout the life cycle of buildings. Basically, this is a virtual 3D model of the building with a full range of components: brick, mortar, roofing, light, interior … are specified in the BIM model.
All individuals and organizations collaborating in the design and construction of works can use data in the BIM model, through which can be analyzed, the time and method of construction, Maintenance of works. The entire working process will be based on the sharing of this information, which are always updated and supplemented during the work process, from the time when the draft until the project is completed. Also because of that reason, BIM can also be considered “Building Information Management – Management of works information”.

The current 2D design process has become obsolete with the appearance of BIM. For the old way, the transfer of information from the design team to the construction group is already a problem, each of which will also affect many other drawings, and all must be edited Manually. All data has no uniform association and automatically so the updates and additional additional difficulties, especially difficult to detect conflicts in the project. Leading to errors and delay of construction progress is extremely large.
With BIM, data will be focused and unified during the work process, all updates are automatically taking place and are completely correct. The alerts are also smartly discovered with conflicts (eg pipes with beams?), Easily export 2D drawings, detect unreasonable points through the set model 3D design, link between departments together (architecture, texture, mep, construction …).

The formation of BIM

The reason BIM is given at the moment is very simple – it is due to the evolution of technology. From the period of drawings of architects on paper, to the era of CAD (Computer Aided Design) with more accurate and easier electronic drawing boards. And then, thanks to the power growth of hardware and computer graphics, facilitating the development of CAD-3D models. The software was able to simulate the smallest detail of the building with 3D graphics with high accuracy, combined with the BIM process to provide full information models to maximum support for all Development stages A construction project.
With BIM, once the information is set correctly, the construction will become faster, more accurate, lower costs. That’s why BIM is becoming a new trend and is almost as required in the construction industry worldwide.
In Vietnam, according to the Government’s roadmap, 2021 BIM will become a standard in construction works, this is one of the important solutions to access the upcoming industrial revolution 4.0 in the construction industry. Build.

Advantages and defects when applying BIM

BIM is one of the major steps in the construction industry (AEC), carrying revolutionary factors in the design, construction and project management. The model is gradually becoming one of the factors that determines the growth of contractors around the world. The BIM model helps the contractor to create a 3D model of projects with the full information of every smallest detail, the update is always continuous and synchronized. BIM’s pros and cons-which depends on the capacity – the ability to apply BIM to the contractor’s project.

Advantages when applying BIM to the project

  • Concentrated data management: You won’t have to update a series of CAD 2D drawings every time the project has modified. With BIM, everything will take place automatically and accurately, you just need to focus on the quality of 3D design models.
  • Visual model design: the whole project will be included in a digitized model in a most detailed and accurate way. You can view each component of the project, every smallest detail depending on the level of the model. Investors will easily get a most intuitive look on the project, structural design team, MEP … easily detect conflicts, optimal design details in the building’s space.
  • Saving costs – Time: BIM helps contractors, investors have a more accurate look when estimating investment and cost range, all models on BIM are in depth and very accurate. Minimize arising arises and work time with homogeneous data management, avoid loss in the process of storing and managing documents
  • Increasing the ability to collaborate: BIM helps the connection between departments become more tight, from architectural design, structure, MEP, estimates … all work on a unified model, all Information is updated regularly forming a transparent information flow.
  • Limit Risks: The 3D model in BIM fully carries the factors of a practical building that easily detect conflicts between components in the project, limiting the incorrect generation and misbehavior further.

Disadvantages when applying BIM

  • Investment problem: The advantage of BIM is not controversial, but the transition from an old model (2D) to a new model (BIM) requires businesses to have relatively large initial investment steps. . From software copyright costs, experts consultants and deployments and training staff use new software, sometimes businesses need to upgrade the computer system anymore.
  • The initial steps are extremely important: For BIM, the initial preparation steps are extremely important in a project, BIM’s advantages will not work if the contractor does not apply Cooperation between the parties in the design process.


The BIM process will revolve around 3D digitizer models, and we need software to perform the construction of these models. Autodesk is one of the pioneering software firms and is leading in developing support applications for the BIM process. In which Autodesk Revit, Tekla Structures … are indispensable software when mentioning BIM, especially BIM 3D will support implementation in 3 main stages:

  • Architecture design
  • Structure design
  • Mechanical-Electrical-Plumbing design
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