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GB/T 15789-2016 Active
GB/T 15789-2016 Geotextiles and geotextile-related products—Determination of water permeability characteristics normal to the plane,without load
Abstract
This standard specifies two test methods for determining the vertical permeability of geotextiles and related products in a single-layer manner: the constant water head method and the falling water head method. This standard is applicable to all types of geotextiles and related products, but not to composite geotextiles containing membrane materials. Note: If the overall permeability of geotextiles and related products has been predetermined, in order to control the quality of the materials, only the flow rate index at a water head of 50 mm can be measured.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 15789-2016 |
| CCS | Baseline standards and general methods |
| ICS | Geotextile |
| Implement Date | 2017-07-01 |
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