It is suitable for measuring the effective pore diameter of various geotextiles and related products.
【Standards compliant】
GB/T17634-2019 "Determination of effective aperture of geotextiles and related products-wet sieve method"
【Test Principle】
Take the untensioned single-layer geotextile and its related product samples as the screen, and spray water on the sample and the graded granular material under the specified vibration frequency and amplitude to make the granular graded material pass through the sample. The effective pore diameter of the sample is expressed by the passed particulate material and specific particle size.
【technical parameter】
1. The inner diameter of the holder: 130mm
2. Vibration frequency: 50Hz
3. Amplitude: 1.5mm
4. Nozzle pressure: 300kPa, water output: 0.5L/min
5. Time: divided into two levels 0～99.99s, 0～99min59s
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