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Civil Material Testing Equipme

YT020G Geotextile Vertical Permeability Tester

product manual

[Scope of application]: YT020G geotextile vertical permeability tester (highway standard) is based on the requirements of JTGE50-2006, a new Ministry of Communications issued by the Ministry of Highway Engineering

  • description

  • compliant

  • Parameters

  • principle

  • Standard

YT020G geotextile vertical permeability tester is a horizontal constant head tester designed and manufactured according to the latest national standard GB/T15789-2005 and the requirements of "Test Rules for Geosynthetics in Highway Engineering JTG E50-2006" issued by the Ministry of Communications. It is suitable for all kinds of Geotextiles and composite geotextiles with permeability. Vertical permeability tests were carried out under a constant head.

GB /T15789 -2005Vertical Performance Test of Method A JTG E50-2006 T114-2006 (Constant Head Method)

1. Maximum head difference: 250mm

2. Internal diameter of the holder: 50mm (+0.1mm)

3. Testable sample thickness: 0.1-20 mm

4. Thermometer Range: 0-70 +0.1.

5. Time controller: 0-999.9 seconds arbitrarily set, control accuracy 0.1S

6. Water head measurement accuracy: 0.2 mm

7. Shape size: 800 x 650 x 1920 mm

8. Weight: 150 kg

9. Measuring barrel: 1000ML precision 10ml


Flow velocity (mm/s) of water flowing perpendicular to the plane of geotextile under unit hydraulic gradient

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