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    Development of a New Test Method for Determining the Surface Infiltration Rate of Permeable Unit Pavement Systems

    Published: 2014

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    ASTM C1701 [Standard Test Method for Infiltration Rate of in Place Pervious Concrete, Annual Book of ASTM Standards, ASTM International, West Conshohocken, PA, 2009] provides a surface infiltration test method for pervious concrete and was first published in August 2009 by Subcommittee C09.49 on Pervious Concrete. The test method is used for acceptance of surface infiltration from new pervious concrete and to determine the need for maintenance (surface vacuum cleaning) for in-service pavements with minimum performance levels typically established by a local stormwater agency or project owner. The applicability of the C1701 test method to permeable interlocking concrete pavement was presented at the December 2011 ASTM Symposium on Pervious Concrete [Smith, D. R., Earley, K., and Lia, J. M., “Potential Application of ASTM C1701 for Evaluating Surface Infiltration of Permeable Interlocking Concrete Pavements,” STP 1551, ASTM Symposium on Pervious Concrete, H. J. Brown and M. Offenberg, Guest Eds., Tampa, FL, Dec 4, 2012, pp. 1-9, ASTM International, West Conshohocken, PA]. To address permeable pavements with clay and concrete unit paving surfaces, Subcommittee C15.04 has developed a new test method C1781-13 [Standard Test Method for Surface Infiltration Rate of Permeable Unit Pavement Systems, Annual Book of ASTM Standards, ASTM International, West Conshohocken, PA, 2013]. C1781 is essentially the same as C1701 except that it is designed for unit pavement systems, which are outside the scope of Committee C09. The only modifications made to C1701 were those necessary to perform the test on a discontinuous unit pavement system, with joints and openings instead of on a continuous pervious concrete surface. This creates a test method whose procedures and results are comparable to C1701 for pervious concrete providing stormwater agencies and other users a means to compare surface infiltration performance for each permeable pavement type. This paper explains the details of the C1781 test procedure and presents data and rationale for a newly proposed precision and bias statement in C1781.


    permeable interlocking concrete pavement, permeable clay brick pavement, concrete grid pavement, pervious pavement, surface-infiltration testing

    Author Information:

    Walloch, Craig
    Vice President, Technical Development, ACM Chemistries, Inc., Norcross, GA

    Brown, Heather J.
    Professor, Concrete Industry Management, Middle Tennessee State Univ., Murfreesboro, TN

    Smith, David R.
    Technical Director, Interlocking Concrete Pavement Institute, Herndon, VA

    Committee/Subcommittee: C07.90

    DOI: 10.1520/STP157720130180