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Consolidated Drained Behaviour of Cemented Sands
Cementation plays an important role in the stress–strain and strength behaviour of frictional material. The study of cemented soil is of significant interest to geotechnical engineers. A number of parameters such as cement content, confining pressure and curing period can influence the stress–strain behaviour of cemented sand. In the present study, a series of conventional drained triaxial compression tests were conducted on cemented poorly graded sand. Portland pozzolana cement used as the cementing agent was added to the sand 2.5% by dry weight of sand. Samples were prepared at 30% relative density and tested at confining pressures of 100, 200 and 300 kPa. The tests were performed on cemented samples after 7, 14 and 28 days curing period. The deviatoric stress and axial strain increase with increasing the confining pressure and curing period. The cemented samples dilated after some contraction. The dilatancy increased with increase in the curing period and decreased with increase in the confining pressure. The shear strength parameters of cemented sands are greater than uncemented sands.
Consolidated Drained Behaviour of Cemented Sands
Cementation plays an important role in the stress–strain and strength behaviour of frictional material. The study of cemented soil is of significant interest to geotechnical engineers. A number of parameters such as cement content, confining pressure and curing period can influence the stress–strain behaviour of cemented sand. In the present study, a series of conventional drained triaxial compression tests were conducted on cemented poorly graded sand. Portland pozzolana cement used as the cementing agent was added to the sand 2.5% by dry weight of sand. Samples were prepared at 30% relative density and tested at confining pressures of 100, 200 and 300 kPa. The tests were performed on cemented samples after 7, 14 and 28 days curing period. The deviatoric stress and axial strain increase with increasing the confining pressure and curing period. The cemented samples dilated after some contraction. The dilatancy increased with increase in the curing period and decreased with increase in the confining pressure. The shear strength parameters of cemented sands are greater than uncemented sands.
Consolidated Drained Behaviour of Cemented Sands
Lecture Notes in Civil Engineering
Patel, Satyajit (editor) / Solanki, C. H. (editor) / Reddy, Krishna R. (editor) / Shukla, Sanjay Kumar (editor) / Premalatha, K. (author) / Sabarishri, K. (author) / Geetha, S. (author)
2021-05-06
11 pages
Article/Chapter (Book)
Electronic Resource
English
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