1. Standard Specifications for Transportation Materials and Methods of Sampling and Testing;AASHTO M288,1997
2. Absorption and discharge capacity tests on natural prefabricated vertical drains;Asha;Geosynth. Int.,2012
3. Standard Test Method for Determining the (In-plane) Flow Rate Per Unit Width and Hydraulic Transmissivity of a Geosynthetic Using a Constant Head;ASTM D4716-08,2013
4. Standard Test Method for Determining Apparent Opening Size of a Geotextile;ASTM D4751-04,2004
5. Standard Test Method for Measuring the Soil-geotextile System Clogging Potential by the Gradient Ratio;ASTM D5101-01,2006