Apparent opening size (ASTM D4751) for geotextiles

February 1st, 2014 / By: / Drainage Materials, GMA Techline

From the GMA Techline RE: Apparent opening size (ASTM D4751) for geotextiles Our specification calls for a geotextile with an AOS of #50 U.S. sieve (0.3mm). I understand that unlike the rest of the technical property values, AOS is specified by the maximum value (i.e., MaxARV not MARV). Please advise. Does it mean that I […]


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