Abstract: BIM technology has become one of the most popular fields in AEC industry, and various
kinds of 3D software have been developed to support the design with BIM technology. However, due
to the differences in data formats, the inefficiency in information sharing and exchange has occurred,
and further may cause serious economic losses. Therefore, it is necessary to standardize and unify the
data formats in BIM technology. The IFC standard is widely recognized as international standard for
the BIM data. By researching on the IFC standard, the design scheme of the BIM component library
and the methods for adding, modifying and deleting BIM components are proposed. Finally, a case
study was introduced to demonstrate the design scheme’s feasibility of BIM component library based
on IFC standard, which can provide a reference for the standardization and unification of data
standards for BIM software.

Key words: building information modeling, IFC standard, BIM component library, component
generation