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)