GRI ASTM D4491 Water Permeability of Geotextiles by Permittivity (GT12, GT13, AASHTO M288)

[@ellyaruliza8828]

This video really helping me to understand this test so well. Thankyou so much

[@flourniiiaaaa]

we're conducting a research study related to geotextiles, thank you so much for this!

[@RajeshKumar-rt6yj]

Good morning sir this video very helpful for test

[@马向阳-d3i]

非常详细的介绍，非常感谢。