Standard No.:	GB/T 15789-2016
English Name:	Geotextiles and geotextile-related products--Determination of water permeability characteristics normal to the plane, without load
Chinese Name:	土工布及其有关产品 无负荷时垂直渗透特性的测定
Chinese Classification:	W04    Basic standards and general methods
Professional Classification:	GB    National Standard
ICS Classification:	59.080.70 59.080.70    Geotextiles 59.080.70
Issued by:	AQSIQ; SAC
Issued on:	2016-12-13
Implemented on:	2017-7-1
Status:	valid
Superseding:	GB/T 15789-2005 Geotextiles and geotextile-related products - Determination of water permeability characteristics normal to the plane,without load
Language:	English
File Format:	PDF
Word Count:	7500 words
Price(USD):	220.0
Delivery:	via email in 1~3 business day

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。