ASTM C1701 PDFJune 19, 2020
ASTM C/CM: Standard Test Method for Infiltration Rate of In Place Pervious Concrete. Standard Test Method for. Infiltration Rate of In Place. Pervious Concrete. ASTM C/CM – 09 Download scientific diagram | Preparation of the infiltration ring for the ASTM C/CM test on PMPC and PA surfaces. from publication: The.
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Research was conducted on three different types of permeable pavement materials pervious concrete, porous asphalt, and permeable interlockng concrete pavers in order to evaluate how testing sites should be selected and how results should be interpreted to assess surface condition.
The ASTM method ASTM C for measuring infiltration rate of in-place pervious concrete provides limited guidance on how to select testing locations, so research is needed to evaluate how testing asmt should be selected and how results should be interpreted c101 assess surface condition.
The ASTM method is written specifically for pervious concrete, so additional research is needed to determine the applicability of this method to other permeable pavement types. Inthe U. Environmental Protection Agency constructed a 0.
ASTM C1701/C1701M – 17a
An additional single parking row at the northern end of the lot was surfaced with pervious concrete PC-N. Two asmt were used to select infiltration testing locations.
Randomly selected locations across each area were tested periodically about monthlyand other measurements were made quarterly at fixed c701. For periodic monthly testing, six randomly-selected locations were tested on each of the four permeable pavement sections from December to MaySeptember to Mayand August Infiltration rates were significantly different across each pavement type.
The surface infiltration rates of both PC sections were about twice as large as PICP, and all three were more than one order of magnitude larger than PA. Comparing the two pervious concrete sections, the 0.
The PA results were comparable to some previously published studies and much less than others because of different PA surface course design gradations. With almost three years of use, maintenance has yet to be required, although infiltration has decreased in areas immediately downgradient of contributing drainage areas and to a greater extent where disturbed soil was present.
The longevity was attributed to the clogging mechanism. The primary solids source was the upgradient impermeable asphalt driving lanes. Runoff transports solids to the upgradient edge of the permeable pavement surface. The solids concentrate and collect at this location as the runoff infiltrates through the surface.
As surface clogging progresses from the upgradient edge, the method of selecting a random location across the entire area typically resulted in most locations being on an unaffected area. Even when one test measured that the surface was clogged near the upgradient edge, the effect f1701 generally diluted by averaging with the larger infiltration rates from unaffected locations.
This did not produce a meaningful change in infiltration rate to suggest aatm was needed for the entire surface area. It is recommended that future surface infiltration testing should strategically select fixed testing locations based on expected clogging patterns.
ASTM C/CM – 17a – Standard Test Method for Infiltration Rate of In Place Pervious Concrete
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