TAILIEUCHUNG - Bridge Aesthetics Sourcebook

This Sourcebook presents guidelines for improving the appearance of short- to medium-span bridges (those with spans up to about 300 feet). These structures constitute the great majority of bridges and are often referred to as “workhorse” bridges. The Sourcebook begins by explaining why it is necessary for engineers to consider bridge aesthetics. It then provides practical, easy-to-apply ideas for design engineers to use in developing elegant designs for the typical bridges on which they work every day. This Sourcebook has been prepared by the Subcommittee on Bridge Aesthetics (AFF10(2)) of the Transportation Research Board (TRB). The group is a subcommittee. | Bridge Aesthetics Sourcebook Practical Ideas for Short and Medium Span Bridges Draft March 2009 Bridge Aesthetics Sourcebook Practical Ideas for Short and Medium Span Bridges This Sourcebook presents guidelines for improving the appearance of short- to medium-span bridges those with spans up to about 300 feet . These structures constitute the great majority of bridges and are often referred to as workhorse bridges. The Sourcebook begins by explaining why it is necessary for engineers to consider bridge aesthetics. It then provides practical easy-to-apply ideas for design engineers to use in developing elegant designs for the typical bridges on which they work every day. This Sourcebook has been prepared by the Subcommittee on Bridge Aesthetics AFF10 2 of the Transportation Research Board TRB . The group is a subcommittee of TRB s General Structures Committee AFF10 . Full credits may be found at the end of the Sourcebook. This is the initial DRAFT of the Sourcebook. It has been prepared for presentation to the Bridge Subcommittee of the American Association of State Highway and Transportation Officials AASHTO at its May 2008 meeting. A final version of this Sourcebook will be published after the receipt of comments from the AASHTO Bridge Subcommittee. The Subcommittee also operates a companion interactive website at . The website presents discussions of Icon Bridges which have entered the general culture as symbols of achievement and or geographic areas case studies of particularly successful Featured Projects Insights from prominent bridge designers and a Forum that encourages individual practitioners to interact with each other on questions of bridge aesthetics. Table of Contents A. Why Consider Aesthetics 5 B. How to Consider Aesthetics 9 1. Understand the Goals and the Site 9 2. Develop a Design Intention Vision 15 3. Do a Conceptual Engineering Study 16 4. Proceed to Detailed Analysis and Design 18 C. Design Guidelines 19 1. Horizontal .

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