DIN EN 13251-2015 土工织物及其相关产品.用于土方工程、地基和固定结构的土工织物及其相关产品要求的特性;德文版本EN 13251-2014+A1-2015
Geotextiles and geotextile-related products - Characteristics required for use in earthworks, foundations and retaining structures; German version EN 13251:2014+A1:2015