A constraint-based system for arranging bridge spans

Jean Shiann Lee; Nie Jia Yau

doi:10.1080/02533839.2002.9670743

A constraint-based system for arranging bridge spans

Jean Shiann Lee, Nie Jia Yau

Department of Civil Engineering

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Determining the span arrangement of a bridge that incorporates more than one construction method is time-consuming and tedious. This work develops an automatic, Constraint-Based Span Arrangement System for bridges (CBSAS), that generates economical span arrangements based on various constraints imposed by the user. The major constraints include (1) construction methods used, (2) allowable sections and economical lengths for the construction methods used, and (3) aesthetic factors between two adjacent spans and lengths constructed by different methods. CBSAS is built in a Windows based, object-oriented environment and allows the user interactively to specify constraints until a satisfactory span arrangement is obtained. CBSAS can serve as a useful tool for a designer in the preliminary bridge design phase.

Original language	English
Pages (from-to)	693-706
Number of pages	14
Journal	Journal of the Chinese Institute of Engineers, Transactions of the Chinese Institute of Engineers,Series A/Chung-kuo Kung Ch'eng Hsuch K'an
Volume	25
Issue number	6
DOIs	https://doi.org/10.1080/02533839.2002.9670743
State	Published - 2002

Keywords

Automatic system
Bridge design
Span arrangement

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10.1080/02533839.2002.9670743

Cite this

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T1 - A constraint-based system for arranging bridge spans

AU - Lee, Jean Shiann

AU - Yau, Nie Jia

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N2 - Determining the span arrangement of a bridge that incorporates more than one construction method is time-consuming and tedious. This work develops an automatic, Constraint-Based Span Arrangement System for bridges (CBSAS), that generates economical span arrangements based on various constraints imposed by the user. The major constraints include (1) construction methods used, (2) allowable sections and economical lengths for the construction methods used, and (3) aesthetic factors between two adjacent spans and lengths constructed by different methods. CBSAS is built in a Windows based, object-oriented environment and allows the user interactively to specify constraints until a satisfactory span arrangement is obtained. CBSAS can serve as a useful tool for a designer in the preliminary bridge design phase.

AB - Determining the span arrangement of a bridge that incorporates more than one construction method is time-consuming and tedious. This work develops an automatic, Constraint-Based Span Arrangement System for bridges (CBSAS), that generates economical span arrangements based on various constraints imposed by the user. The major constraints include (1) construction methods used, (2) allowable sections and economical lengths for the construction methods used, and (3) aesthetic factors between two adjacent spans and lengths constructed by different methods. CBSAS is built in a Windows based, object-oriented environment and allows the user interactively to specify constraints until a satisfactory span arrangement is obtained. CBSAS can serve as a useful tool for a designer in the preliminary bridge design phase.

KW - Automatic system

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KW - Span arrangement

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A constraint-based system for arranging bridge spans

Abstract

Keywords

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