1. ASTM D4833-07, Standard test method for index puncture resistance of geotextiles, geomembranes and related products, ASTM, West Conshohocken, Pennsylvania.
2. ASTM D5494-06, Standard test method for the determination of the pyramid puncture resistance of unprotected and protected geomembranes, ASTM, West Conshohocken, Pennsylvania.
3. ASTM D6241-04, Standard test method for the static puncture strength of geotextiles and geotextile related products using a 50-mm probe, ASTM, West Conshohocken, Pennsylvania.
4. ISO 12236, Geotextiles and geotextile-related products – Static puncture test (CBR test).
5. Designing with Geosynthetics;Koerner,2005