01560254

Component

https://doi.org/10.3141/2460-03

The benefits of using building information modeling to integrate the project delivery process by exchange of project data between industry stakeholders stimulate the bridge industry to develop bridge information modeling. However, the existing data exchange methods, formats, and standards that are used by the building industry cannot be directly borrowed and used "as is" for bridge projects. Bridge projects involve specific definitions of structural geometry (e.g., roadway alignment-driven bridge layout) or definitions of bridge member geometry that are not usually used in building projects (e.g., camber data for steel plate girders). These bridge-oriented geometries cannot be described by using current building-oriented data exchange formats. Because bridge geometry depends on the geometry of the roadway carried by the bridge, it is beneficial to define a bridge as a parametric model that can be manipulated by modifying a manageably small number of independent parameters (e.g., station and skew). However, the existing data exchange standards do not support the exchange of parametric geometry. To overcome these technical limitations, this paper presents a software-neutral schema for the exchange of alignment-driven bridge-oriented parametric geometry data using eXtensible Markup Language. The application of this formalism is then illustrated via three high-priority use cases that occur during the steel bridge life cycle.

01559855

English

pp 22-30

2014

Transportation Research Record: Journal of the Transportation Research Board

9780309295529

Print

Figures; References; Tables

Alignment; Bridge design; Geometric design; Parametric analysis; Project delivery

Bridges and other structures; Data and Information Technology; Design; Highways; I24: Design of Bridges and Retaining Walls

TRIS, TRB, ATRI

Apr 10 2015 10:41AM

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