A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Geometric Design Considerations
The bridge engineer must be aware of the design elements that the highway engineer considers to be important. Both engineers are concerned about appearance, safety, cost, and site conditions. The document that gives the geometric standards is A Policy on the Geometric Design of Highways and Streets, AASHTO. This chapter provides a few of the requirements that determine the roadway widths and clearances for bridges. For bridges over navigable waterways, the U.S. Coast Guard establishes the vertical clearance. The geometric design of the intersection of two highways depends on the expected volumes of through and turning traffic, the topography of the site, and the need to simplify signing and driver understanding to prevent wrong‐way movements. The geometric design of the highway engineer can strongly influence the structural design of the bridge engineer.
Geometric Design Considerations
The bridge engineer must be aware of the design elements that the highway engineer considers to be important. Both engineers are concerned about appearance, safety, cost, and site conditions. The document that gives the geometric standards is A Policy on the Geometric Design of Highways and Streets, AASHTO. This chapter provides a few of the requirements that determine the roadway widths and clearances for bridges. For bridges over navigable waterways, the U.S. Coast Guard establishes the vertical clearance. The geometric design of the intersection of two highways depends on the expected volumes of through and turning traffic, the topography of the site, and the need to simplify signing and driver understanding to prevent wrong‐way movements. The geometric design of the highway engineer can strongly influence the structural design of the bridge engineer.
Geometric Design Considerations
Barker, Richard M. (author) / Puckett, Jay A. (author)
Design of Highway Bridges ; 119-121
2021-04-27
3 pages
Article/Chapter (Book)
Electronic Resource
English
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