In this test, a geosynthetic or geotextile is clamped to yield a clear diameter of 150 mm and a brass cone of 45 degree
angle included, having a weight of 1 kg, is dropped through a height of 500 mm. The diameter of the resultant hole is
measured with a graduated conical device. The smaller the hole, the greater the resistance of geosynthetic/ geotextile to
damage. When used in combination with other direct tensile test results, it provides a convenient means of qualitative
This is used for measuring the thickness of the geotextile. The thickness of the geosynthetic material can be measured with an accuracy
of 0.001 mm (depend on the dial gauge accuracy) for thickness up to 10 mm with Foot pressure of 6.35 mm, 10 mm and 56.4 mm
diameter. Dead weight mechanism is provided to apply desired pressure varying from 2, 20 to 200 kPa. Surface plate is grounded and is
rust free to enable reproducible results.
Thickness measuring resolution 0.01 mm or as desired Thickness measuring range 0.01-12.5 mm or as desired
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