DIN EN ISO 12958-2-2021 土工布和土工布相关产品. 测定其平面内的水流量. 第2部分: 性能试验(ISO 12958-2-2020); 德文版 EN ISO 12958-2-2020
Geotextiles and geotextile-related products - Determination of water flow capacity in their plane - Part 2: Performance test (ISO 12958-2:2020); German version EN ISO 12958-2:2020
This International Standard specifies a method for determining the constant-head water flow capacity within the plane of a geotextile or geotextile-related product, using boundary materials and test conditions of interest. A standard series of test conditions are proposed, involv