1. ABAQUS User’s Manual, Version 6.1, Hibbitt, Karlsson and Sorenson Inc., 2000
2. AS3774-1996. Loads on bulk solids containers, Standards Association of Australia, Sydney, 1996
3. Effect of end restraints and forces on the state of stress in circular silos;Briassoulis;Trans. ASAE,1985
4. Rectangular silo structures;Brown,1998
5. Experiments on a square planform silo;Brown;Chem. Eng. Sci.,2000