【Scope of application】
The vertical permeability tester for geotextiles is a horizontal constant head tester designed and manufactured in accordance with the requirements of the national standard GB/T15789-2016 and the new release department of the Ministry of Communications of the "Highway Engineering Geosynthetics Test Regulation JTG E50-2006". It is suitable for Various geotextiles and composite fabrics with water permeability are tested for vertical permeability under constant water head.
【Related standards】
GB/T15789-2016 Method A JTG E50-2006 T114-2006 Vertical performance test (constant head method)
【Principle Overview】
The velocity of water flowing perpendicular to the plane of the geotextile under the unit hydraulic gradient (mm/s)
【technical parameter】
1. Maximum head difference: 250mm
2. The inner diameter of the holder: 50.5mm
3. The thickness of the testable sample: 0.1～20mm
4. Thermometer range: 0-100℃±0.1℃
5. Time controller: 0-999.9 seconds can be set arbitrarily, with a control accuracy of 0.1S
6. Water head measurement accuracy: 0.2 mm
7. Dimensions: 650×700×1550mm
8. Weight: 80kg
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