Published
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.
                    PUBLISHED
                    ISO/TR 18228-4:2022
                    60.60
                                        Standard published
                    Mar 15, 2022