What Is Building Information Modeling?

Building Information Modeling is a new tool for architecture, engineering, and civil engineering. The term building information model or building information model was coined by Autodesk. It is used to describe computer-aided design related to three-dimensional graphics, object-oriented, and architecture. Originally this concept was promoted by Jerry Laiserin to the public with the technology provided by Autodesk, Bentley System Software, and Graphisoft.

Basic Information

Chinese name

Building Information Model

Foreign name

Building Information Modeling

Short name

BIM

development company

Autodesk [Autodesk]

Presentation time

year 2002

Subject

architecture

Related people

Chuck Eastman (Father of BIM)

BIM (Building Information Modeling) technology was first proposed by Autodesk in 2002, and has been widely recognized by the industry worldwide. It can help achieve the integration of building information, from building design, construction, operation to the entire life cycle of the building At the end of the year, all kinds of information are always integrated into a three-dimensional model information database. The design team, construction unit, facility operation department, and owners can work together based on BIM to effectively improve work efficiency, save resources, reduce costs, and Achieve sustainable development.

The core of BIM is to provide a complete and consistent construction engineering information base for this model by establishing a virtual three-dimensional model of construction engineering and using digital technology. The information database contains not only geometric information, professional attributes and status information describing building components, but also status information of non-component objects (such as space and motion behavior). With this three-dimensional model containing construction engineering information, the degree of information integration in construction engineering has been greatly improved, thus providing a platform for engineering information exchange and sharing for relevant stakeholders in construction engineering projects.

BIM has the following characteristics: it can be applied not only in design, but also in the entire life cycle of construction projects; designing with BIM belongs to digital design; BIM's database is dynamically changing, and it is continuously updated during the application process. Enrich and enrich; provide a platform for all parties involved in the project to work together. China's BIM standards are under study and formulation, and the research team has achieved staged results. ^[1]

BIM (Building Information Modeling) technology is a data tool applied to engineering design, construction, and management. It is shared during the entire life cycle of project planning, operation, and maintenance through the integration of building data and information model. And transmission, so that engineering and technical personnel can make a correct understanding and efficient response to various building information, and provide a basis for collaborative work for the design team and construction entities including construction and operation units, in order to improve production efficiency, save costs and shorten Play an important role in the construction period.

Here is the definition of BIM from the US National BIM Standard (NBIMS). The definition consists of three parts:

(1) BIM is a digital representation of the physical and functional characteristics of a facility (construction project);

(2) BIM is a shared knowledge resource, a process of sharing information about this 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 operations of their respective responsibilities. ^[2]

BIM has the following five characteristics:

Commonly used BIM modeling software are:

(1) Revit building, structure, and equipment software from Autodesk. Commonly used in civil buildings.

(2) Bentley construction, structure and equipment series. Bentley products are often used in industrial design (petroleum, chemical, power, medicine, etc.) and infrastructure (roads, bridges, municipalities, water conservancy, etc.).

(3) ArchiCAD belongs to a product facing the global market. It should be said that it is the earliest BIM core modeling software with market influence. ^[2]