ISO 18325:2015
Geosynthetics - Test method for the determination of water discharge capacity for prefabricated vertical drainsstandard by International Organization for Standardization, 11/15/2015
ISO 18325:2015 specifies a test method for determining the water discharge capacity of prefabricated vertical drains (PVDs), which can be used for conformance and acceptance testing.
This is an index test.