Hydraulic Profile Computation Using CADD

by Stanley E. Johnson, Burgess & Niple Ltd, Columbus, OH, USA,



Document Type: Proceeding Paper

Part of: Computer Applications in Water Resources

Abstract: The data preparation can also be performed by directly recording onto a computer tape the aerial survey cross section ground points and the field survey work. A computer program can then check the data for errors, reduce the field notes, and transfer all information to the computer-aided design and drafting (CADD) system. The CADD system can combine the appropriate cross section ground points and soundings, enlarge parts of cross sections, superimpose cross sections, and calculate bridge opening areas. A hard copy can be obtained of any of the items viewed on the screen and reviewed by an engineer for modifications or simplification of the data. The marked-up copy can then be used to modify the CADD computer file. The modified file is then processed into a computer file ready to be run with the hydraulic profile computer program.

Subject Headings: Computer aided design | Aerial surveys | Hydraulic design | Data processing

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