Checking of CAD Drawings for Fabrication Issues

by Jay Ernst, Univ of Kansas, Lawrence, United States,
W. M. Kim Roddis, (M.ASCE), Univ of Kansas, Lawrence, United States,

Document Type: Proceeding Paper

Part of: Analysis and Computation


Communication between the fabricator and engineer is crucial to the production of an economical, safe, and functional steel structure. However, the transfer of information between involved parties is frequently less than ideal. Significant reductions in fabrication costs are realized when the design engineer submits designs responsive to the fabrication needs. The structural engineer typically has limited access to the experience and knowledge necessary to make informed decisions with regard to fabrication. A knowledge-based expert system can make such information about efficient fabrication practices available to the designer in a timely manner. A research prototype system integrating a knowledge-based expert system and a computer-aided drawing environment enables a design engineer to create designs that are more fabrication cost effective. The system interprets the CAD design drawing and advises the engineer on issues related to fabrication.

Subject Headings: Computer aided design | Fabrication | Structural design | Steel structures | Expert systems | Knowledge-based systems | Benefit cost ratios

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