United States Department of Transportation
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Statistical evaluation of rainfall-simulator and erosion testing procedure : final report.
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1977-01-01
[PDF-2.11 MB]
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Abstract:The specific aims of this study were (1) to supply documentation of statistical repeatability and precision of the rainfall-simulator and to document the statistical repeatabiity of the soil-loss data when using the previously recommended tentative laboratory test procedure, (2) to reevaluate, if necessary, the design and operation of the rainfall-simulator, (3) to reevaluate, if necessary, the tentative laboratory test procedure in light of results obtained both in this study and a previous study, and (4) to provide additional test data on some of the materials tested.
These aims were to be carried out in a series of repetitive tests, first with water tests alone to check out the design and operation of the rainfall-simulator, then together with several different type series of soil-loss tests to check out the use of the tentative laboratory test procedure. Observations, test data and logic provided the confirmation for revisions both in the design and operation of the rainfall-simulator and in the use of the tentative laboratory test procedure.
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