1. Micro-structure of clays in high water content;Hikiyashiki,2000
2. Method for unconfined compression test of soils;JIS A 1216;Japanese Industrial Standards Committee,1998
3. Test method for one-dimensional consolidation properties of soils using incremental loading;JIS A 1217;Japanese Industrial Standards Committee.,2000
4. Evaluation of engineering property on light-weight soil with air foam using X-ray CT scanner;Otani,1999
5. Visualization for engineering property of in-situ light weight soils with air foams;Otani;Soils and Foundations,2002