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INFORMATION TECHNOLOGY IN CIVIL AND STRUCTURAL ENGINEERING DESIGN
Edited by: B. Kumar, I.A. MacLeod, A. Retik
Paper VII.3
A CAD-Based System Approach to Estimating System Y. Ning*, L. Minhui*, Y. Zhiyao# and Z. Yongmei#
*Sunwen College, Zhongshan, China
Y. Ning, L. Minhui, Y. Zhiyao, Z. Yongmei, "A CAD-Based System Approach to Estimating System", in B. Kumar, I.A. MacLeod, A. Retik, (Editors), "Information Technology in Civil and Structural Engineering Design", Inverleith Spottiswoode, Edinburgh, UK, pp 103-107, 1996.
Abstract
In this paper, a CAD-based system approach to the estimating
system in civil engineering is developed. According to
the technique of solid modeling, user-defined primitives with
attributes are described, and the principle of primitives
assembling is defined. As an example, a teaching building in
three dimensions was assembled in terms of above principle,
and a CAD database was created simultaneously. Using the
estimating rule in civil engineering, the engineering drawings
are achieved, and the CAD-based estimating system in civil
engineering is programmed.
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