标准编号：ISO 11058:2010
中文名称：土工布及其有关产品 无负荷时垂直渗透特性的测定
英文名称：Geotextiles and geotextile-related products — Determination of water permeability characteristics normal to the plane, without load
发布日期：2010-04
标准范围
This International Standard specifies two test methods for determining the water permeability characteristics of a single layer of geotextile or geotextile-related product normal to the plane:a) the constant head method;b) the falling head method.NOTE If the full permeability characteristics of the geotextile or geotextile-related product have previously been established, then for control purposes it can be sufficient to determine the velocity index at a head loss of 50 mm only.
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