This standard specifies the product structure and classification, specification series and dimensional deviations, technical requirements, test methods, inspection rules and other requirements for plastic drainage boards (strips). This standard applies to plastic drainage boards (strips) used in highway projects. Plastic drainage boards (belts) used in water transportation, ports, railways, water conservancy and other projects can be implemented as a reference.
JT/T 521-2004 history
2004JT/T 521-2004 Geosynthetics in highway engineerings.Plastic drainboard