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Efficient method for assessing channel instability near bridges

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Abstract

Efficient methods for data collection and processing are required to complete channel-instability assessments at 5,600 bridge sites in Indiana at an affordable cost and within a reasonable time frame while maintaining the quality of the assessments. To provide this needed efficiency and quality control, a data-collection form was developed that specifies the data to be collected and the order of data collection. This form represents a modification of previous forms that grouped variables according to type rather than by order of collection. Assessments completed during two field seasons showed that greater efficiency was achieved by using a fill-in-the-blank form that organizes the data to be recorded in a specified order: in the vehicle, from the roadway, in the upstream channel, under the bridge, and in the downstream channel.

Suggested Citation

Robinson, B.A., and Thompson, R., 1993, Efficient method for assessing channel instability near bridges, in Proceedings - National Conference on Hydraulic Engineering, no. pt 1, San Francisco, CA, USA, 25 July 1993 through 30 July 1993, p. 513-515.

Publication type Conference Paper
Publication Subtype Conference Paper
Title Efficient method for assessing channel instability near bridges
ISBN 0872629201
Issue pt 1
Year Published 1993
Language English
Publisher Publ by ASCE
Publisher location New York, NY, United States
Larger Work Title Proceedings - National Conference on Hydraulic Engineering
First page 513
Last page 515
Conference Title Proceedings of the 1993 National Conference on Hydraulic Engineering. Part 1 (of 2)
Conference Location San Francisco, CA, USA
Conference Date 25 July 1993 through 30 July 1993
Additional publication details