۰۵مهر
استاندارد ASTM C1138 در خصوص تست مقاومت به سایش بتن (زیر آب) به زبان انگلیسی Standard Test Method for Abrasion Resistance of Concrete (Underwater Method) Scope1.1 This test method covers a procedure for determining therelative resistance of concrete (including concrete overlays andimpregnated concrete) to abrasion under water (see Note 1).This procedure simulates the abrasive action of waterborneparticles (silt, sand, gravel, an ...