BIM, the full name of Building Information Modeling, is a data-based tool used in engineering design, construction, and management. The core of BIM is to establish a virtual three-dimensional construction project model and use digital technology to provide this model with a complete construction project information database that is consistent with the actual situation.
BIM (Building Information Modeling) technology is a data-based tool used in engineering design, construction, and management. Through the data-based and informatized construction Model integration, sharing and transmission during the entire life cycle of project planning, operation and maintenance, enables engineering and technical personnel to correctly understand and respond efficiently to various building information, providing benefits to the design team and various parties including construction and operating units. It provides the basis for collaborative work among construction entities and plays an important role in improving production efficiency, saving costs and shortening the construction period.
The core of BIM is to establish a virtual three-dimensional construction project model and use digital technology to provide this model with a complete construction project information database that is consistent with the actual situation. This information base not only contains geometric information, professional attributes and status information describing building components, but also includes status information of non-component objects (such as space and motion behavior). With the help of this three-dimensional model containing construction project information, the degree of information integration of construction projects is greatly improved, thereby providing a platform for project information exchange and sharing for relevant stakeholders of construction projects.
BIM has the following characteristics: it can be used not only in design, but also in the entire life cycle of construction projects; design with BIM belongs to digital design; BIM database is dynamically changing, and during application The process is constantly updated, enriched and enriched; it provides a platform for collaborative work for all parties involved in the project. my country's BIM standards are being researched and formulated, and the research team has achieved initial results.
The definition of BIM from the American National BIM Standard (NBIMS) is quoted here. The definition consists of three parts:
(1) BIM is the digital expression of the physical and functional characteristics of a facility (construction project) ;
(2)BIM is a shared knowledge resource, a process of sharing information about the facility and providing a reliable basis for all decisions in the entire life cycle of the facility from concept to demolition;
(3) At different stages of the facility, different stakeholders insert, extract, update and modify information in BIM to support and reflect the collaborative work of their respective responsibilities.
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