1. “Deep mixing method of soil stabilization using coal ash”. IS Tokyo ’96;Asano,1996
2. ASTM 2014. Standard Test Methods for Specific Gravity of Soil Solids by Water Pycnometer, ASTM D854-14, ASTM International, West Conshohocken, PA.
3. ASTM 2018. Standard Specification for Portland Cement. ASTM C150/C150M-18, ASTM International, West Conshohocken, PA.
4. ASTM 2007. Standard Test Methods for Laboratory Compaction Characteristics of Soil using Standard effort. ASTM D698-07e1 West Conshohocken, PA: ASTM.
5. ASTM. 2010. Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens. ASTM C39. West Conshohocken, PA: ASTM.