The design efficiency of tall buildings depends largely on the advancement of technologies, specifically Computer Aided Design (CAD) technologies. To days, CAD tools have become a routine practice for architectural and engineering designs and significantly improved quality and productivity in the building design. Nevertheless, a fragmentation characteristic of these CAD tools barriers the further improvement of productivity of the design in building industry. To address the fragmentation problem, an integrated CAD framework for the design of building structure is proposed in this paper, which is based on a process model and building product model. The proposed framework benefits the development of integrated CAD systems and potentially promotes design automation in building industry.
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