United States Department of Transportation
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First Progress Report on Hydraulics of Short Pipes: Hydraulic Characteristics of Commonly Used Pipe Entrances
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1955-12-28
[PDF-46.88 MB]
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Abstract:This report is a progress report issued to the sponsoring agency to summarize the completed experimental work of the investigation. The analysis of the data presented and the conclusions drawn from the data are tentative and subject to change as the continuing experimental work of the project makes further data available. In this connection this first progress report presents data only for various culvert inlets to short smooth culverts of length 12 diameters. Further, the experimental data presented are limited only to the head-discharge relationship and to regime of flow in the culvert and the important collateral data regarding pressures in the culvert and at its outlet are not yet available. It is therefore likely that future experimental data regarding the location of pressure lines, increased length, diameter and roughness of barrel, the effect of approach and outlet conditions and other developments will possibly significantly modify or alter the interpretation of the data presented herein.
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