Examples of Computer Usage in Bridge Design

by Robert J. Cope, Lect.; Dept. of Civ. Engrg., Univ. of Liverpool, Liverpool, England,
John H. Bungey, Lect.; Dept. of Civ. Engrg., Univ. of Liverpool, Liverpool, England,


Serial Information: Journal of the Structural Division, 1975, Vol. 101, Issue 4, Pg. 779-793


Document Type: Journal Paper

Abstract: Design procedures supported on an office based mini-computer with a display are described and illustrated by examples for concrete bridge design. To retain the engineers' sense of involvement in design and to maintain his flexibility of approach a data-based system is developed. Files are accessed by independent programs and graphical communication is used extensively to ensure fluid and meaningful man-machine interaction in real time. The techniques are illustrated by application to the overall design of a multispan varying section prestressed-concrete bridge and to design of structural elements. Emphasis is placed on visual communication and on the provision of design aids to accelerate the decision-making process. The approach provides an economic, efficient, and accurate method of performing complex operations which are not suited to fully automatic treatment. By condensing the time span of a design cycle more possible solutions can be investigated and thus the engineers' chances of producing the most appropriate design are increased.

Subject Headings: Bridge design | Concrete bridges | Data analysis | Graphic methods | Equipment and machinery | Prestressed concrete | Span bridges | Structural design

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