Abstract
We developed a 3D product model for prestressed concrete hollow slab bridges in order to enable interoperability of various application systems throughout preliminary, detailed, and construction design phases. The product model has been developed on the basis of IFC of IAI, aiming an international standard. We analyzed the characteristics of the bridge and defined new classes for slabs, PC cables, voids, rebars, etc. We selected ifcXML for implementation of the product model among several languages, and implemented the schema and an instance, using ifcXML. This model can be used for data transferring and conversion among various systems.
