In 1980, the Virginia Transportation Research Council developed a procedure to test silt fence installations (VTM-51). The test determines the filtering efficiency (amount of soil removed) and the flow rate of a geotextile. A known concentration and volume of sediment-laden water is timed as it passes through a geotextile sample. In 1988, ASTM Committee D35 requested that the Virginia Transportation Research Council consider developing VTM-51 into an ASTM Test Method. This report documents the many tests performed to meet this request, the numerous reviews of ASTM committees and subcommittees, and other work efforts required to develop ASTM Test Method 5141, Determine Filtering Efficiency and Flow Rate of a Geotextile for Silt Fence Application Using Site Specific Soil. The major differences between the two test methods are the number of samples to be tested, the number of runs on each sample, and the soil used.
In order to obtain the detailed information necessary to develop design guidelines for the stormwater best management practices (BMPs) included in the...
In order to obtain the necessary detailed design guidelines for storm water best management practices (BMPs) included in the Virginia Department of Tr...
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United States Department of Transportation
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