1. Standard test method for bearing capacity of soil for static load and spread footings;ASTM D1194,2003
2. Test method for density and unit weight of soil in place by sand-cone method;ASTM D1556,2007
3. Test method for direct shear test of soils under consolidated drained conditions;ASTM D3080,2006
4. Standard test method for particle-size analysis of soils;ASTM D422-63,2007
5. Test method for maximum index density and unit weight of soils using a vibratory table;ASTM D4253,2006