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Chinese Standard: GB/T 15789-2016

Geotextiles and geotextile-related products—Determination of water permeability characteristics normal to the plane,without load

MOD  ISO 11058:2010

全国纺织品标准化技术委员会(SAC/TC 209)

本标准规定了以单层方式测定土工布及其有关产品的垂直向渗透性能的两个试验方法:恒水头法和降水头法。

本标准适用于各类土工布及其有关产品,但不适用于含有膜类材料的复合土工布。注: 如果土工布及其有关产品的总体渗透性能已经预先确定,为了控制材料的质量,可只测定50 mm水头的流速指数。

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