How to measure thickness of geosynthetics?| ASTM D1777| VNR VJIET GEOTECHNICAL ENGINEERING LAB

ASTM STANDARD - ASTM D1777 20 cm x 20 cm – 5-8 specimens are taken Thickness gauge and standard weights are used The thickness of the specimen is measured under standard normal stress Weights to be placed : Geogrid, Geomembrane - 20 kPa Geotextile - 2 kPa