Application of bim technology in building construction

The large office building project is complex, the construction period is tight, there are many specialties, there are many drawing problems, it is easy to cause rework, there are many subcontractors, and it is difficult to share information. Based on the above challenges, the project department of Lenovo Wuhan R&D Base of China Construction Third Engineering Group Co., Ltd. proposed to realize the virtual construction coordination and information management of the project through the whole process and all-round BIM application in the initial stage, guide and manage the whole process of the project construction, provide sustainable high-quality building information model for the owner's later operation and maintenance, and realize visual design, factory prefabrication, visual simulation and on-site quality control.

In order to ensure the combination of modeling process and actual construction, Lenovo Wuhan R&D base project adopts the methods of zoning, layering, dividing units and dividing parts to model, and carries out fusion collision with various professional models to check and solve the errors and defects of the original design drawings and avoid rework in construction.

The project department has successively realized advanced management methods such as three-dimensional site layout based on BIM, BIM sand table, BIM-based in-depth design, BIM-based pipe group and pump group prefabrication, BIM-5D Internet access, BIM-based intelligent construction lofting, and BIM-based UAV technology. BIM technology plays an important role in the whole construction process, so it will also play a very important role in the completion acceptance, and it also has great application value and space in the later operation and maintenance process.

For each construction project, the general contractor needs to hand over the completion documents to the owner at the time of completion acceptance. The main challenge in the handover process is to ensure the integrity of building information, and BIM technology skillfully solves this problem because it reflects the actual building conditions and various information. BIM building information model can provide information stored and transmitted as information base, which is flexible in digital information acquisition and exchange projects.

The management platform based on BIM technology combines advanced computer technologies such as cloud storage and cloud computing with internet plus, providing users with an intuitive management platform and never-lost data storage, which can effectively improve the management level and reduce the management cost.

The owner's file collaborative management platform based on BIM technology can contain the information needed in the operation and maintenance stage, including maintenance plan, inspection report, work list, equipment failure time and so on. , integrated into the BIM model to achieve efficient collaborative management; When the general contractor delivers the project to the owner, it is a BIM parameter model that has been continuously improved through several stages. It has all the information of each specialty and stage in the construction project, and this model provides a basis for the equipment management and maintenance of each specialty in the future. Let BIM manage the whole life cycle of the project and provide timely, direct, complete and relevant project information services and decision support for the owners.

The model information of BIM completion is consistent with the actual building information. For example, in the later maintenance, when the owner finds some maintenance problems, according to the traditional thinking mode, it is necessary to inspect many places and even rectify the building. Based on the operation of BIM completion and delivery, the problems in the building information model can be simulated, and the problematic fault points can be found quickly, and then the specifications, materials, manufacturers, part numbers and other information of the problematic parts can be obtained through the BIM information model, so as to solve the problems quickly.

To sum up, BIM technology has been applied to the whole construction process of construction projects and penetrated into the whole life cycle of construction projects. The application of BIM technology saves the construction period of the whole construction project, at the same time, it also effectively saves the funds needed for the construction project, and avoids the wrong construction situation caused by poor information circulation at all stages of the construction project. At the same time, it also provides great help for the later management and maintenance of the whole building. Information transmission and operation and maintenance based on BIM are of great value in the development of China construction industry.