This document outlines the criteria for evaluating the available and the required flow rate of geosynthetics in various situations, provides a summary of the available laboratory testing, and lists the safety factors and reduction factors that can be applied to the parameters when designing using geosynthetics for drainage systems.
Status: PublishedPublication date: 2022-03
Edition: 1Number of pages: 61
Technical Committee: ISO/TC 221 Geosynthetics
- ICS :
- 59.080.70 Geotextiles
This standard contributes to the following Sustainable Development Goals:
Buy this standard
|std 1 187|
|std 2 187||Paper|
ISO/TR 18228-4:2022Stage: 60.60
Got a question?
Check out our FAQs
+41 22 749 08 88
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)
Keep up to date with ISO
Sign up to our newsletter for the latest news, views and product information.