The application of BIM in construction mainly includes the following aspects: visual display of various engineering models, construction technology, process and simulation of construction progress, deepening design of electromechanical specialty, management of construction cost and processing of digital components, etc. The advantages of BIM application in construction are as follows:

Improve communication efficiency

The construction of urban rail transit projects involves the cooperation between multiple units and professionals. Through BIM software, two-dimensional plane drawings can be transformed into more vivid and intuitive three-dimensional models, which can effectively save the time of reading and reporting, facilitate non-engineering professionals to understand the design and reporting intent, thus facilitating the enhancement of communication quality and efficiency between participating units and facilitating the solution of construction problems.

Design optimization to reduce rework

With BIM's 3D visualization function and time dimension, the construction process and process can be simulated in advance. Through BIM construction simulation, problems existing in the construction process of design drawings can be effectively discovered, and communicated with relevant design units in time before construction to reduce unnecessary rework and waste of personnel, machinery and materials.

Accurate planning to reduce waste

The BIM database data can be refined to the component level, allowing the relevant management lines to quickly, accurately and comprehensively obtain the basic data of the project, providing effective support for the construction unit to formulate more detailed personnel, machinery and equipment investment plans, and providing technical support for reducing waste and realizing consumption control.

More calculation and comparison, effective control

BIM database can realize the real-time and rapid acquisition of basic information of the project. By comparing the contract, plan and actual construction consumption, itemized unit price, itemized unit price and other data, it can effectively understand the operating profit and loss of the project under construction, whether the consumption exceeds the standard, whether the purchase subcontracting unit price is out of control and other issues, so as to effectively control the project cost risk.

Improve construction quality

Through the BIM model display, all parties participating in the construction can understand the design intent more intuitively and clearly, and check the construction difficulties and risk sources, so as to coordinate with all parties to take targeted measures to effectively control the quality, safety and progress of the project construction. Through the application of BIM, not only the constructors, supervisors and even relevant leaders from non-engineering industry can get an intuitive understanding of various problems and situations existing in the construction of the project. In addition, through the application of BIM technology, combined with construction scheme, construction simulation and on-site real-time monitoring, construction quality and safety problems can be greatly reduced, and rework and rectification can be reduced.

Save construction cost and time limit for a project

Through the application of BIM, the construction plan can be compared with the actual progress anytime, anywhere, intuitively and quickly, and at the same time effective coordination can be carried out. The construction party, the supervisor and even the owner's leaders from non-engineering industries know all kinds of problems and situations of the project well.

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