Published
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.
PUBLISHED
ISO 18325:2015
90.20
Standard under periodical review
Apr 15, 2026
Geosynthetics — Test method for the determination of water discharge capacity for prefabricated vertical drains
10.98 New project rejected
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