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| Dr. Ramakrishna Bag |
| Asst. Professor |
| Ph.D (Cardiff University, UK 2012), M.E. (IISc, Bangalore 2007), B.E. (IIEST, Shibpur 2005) |
| Phone: +91-612-302 8704 |
| rkbag[AT]iitp.ac.in |
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| Research Interest |
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- Toxic waste disposal
- Unsaturated soil mechanics
- Geo-energy
- Geoenvironmental Engineering
- THM behavior of soils and rocks
Other Interests:
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| Courses Taught at IITP |
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- CE111: Engineering Drawing (Tutorial)
- CE401: Infrastructure Laws and Professional Ethics
- CE214: Soil Mechanics
- CE392: Transportation Engineering Laboratory
- CE319: Numerical Methods in Civil Engineering
- CE393: Structural Engineering and Materials Laboratory
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| Professional Experience |
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- July 2014 – May 2017: Assistant Professor, NIT Rourkela, Odisha, India
- Nov 2011 – June 2014: Postdoctoral Researcher-School of Engineering, Cardiff University, UK
- Aug 2007 – Nov 2007: Senior Geotechnical Design Engineer, L&T ECC, Chennai, India
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| Visiting Researcher |
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- Dec. 2008 Bauhaus University, Weimar, Germany.
- June 2008 Ruhr University, Bochum, Germany.
- Dec. 2009 Ruhr University, Bochum, Germany.
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| Ph.D. Students |
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Koteswaraarao Jadda |
Mithun Mandal |
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| Academic Awards and Honours |
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- 2008: PhD Scholarship, Cardiff University, UK
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| Member of Professional bodies |
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- AMIE - Associate member of Institution of Engineers (India) Limited.
- Life member – Ground Engineering Group, ICE Wales Chapter.
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| Publications |
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Journals:
- Tadza M Y M, Tadza M A M, Bag Ramakrishna and Harith N S H, 2018, Potential impact of Andrassy bentonite microbial diversity in the long-term performance of a deep nuclear waste repository IOP Conf. Series: Materials Science and Engineering 298,012009, pp 1-6 doi:10.1088/1757-899X/298/1/012009.
- Bag Ramakrishna, Rabbani A, 2017, Effect of temperature on swelling pressure and compressibility characteristics of soil, Applied clay science, 136, 1-7. http://dx.doi.org/10.1016/j.clay.2016.10.043.
- Tripathy, S.,Thomas, H.R., Bag Ramakrishna, 2015, Geoenvironmental Application of Bentonites in Underground Disposal of Nuclear Waste: Characterisation and Laboratory element tests, ASCE Journal of Hazardous, Toxic and Radioactive waste, DOI 10.1061/(ASCE)HZ.2153-5515.0000272.
- Tripathy, S., Bag Ramakrishna, Thomas, H.R., 2014, Effects of post-compaction residual stress, on swelling pressures of a compacted bentonite, Geotechnical and Geological Engineering journal, 32, 749-763. DOI: 10.1007/s10706-014-9754-7.
- Tripathy, S., Bag Ramakrishna, Thomas, H.R., 2014, Effect of Stern-layer on the Compressibility behaviour of bentonites’, ActaGeotechnica, 9(6), 1097-1109. DOI: 10.1007/s11440-013-0222-y.
Book Chapter:
- Tripathy, S., Bag Ramakrishna, Thomas, H.R., 2014, Enhanced isothermal effect on swelling pressure of compacted MX80 bentonite, Engineering Geology for Society and Territory - Volume 6: Applied Geology for Major Engineering Projects, 537-539. DOI:10.1007/978-3-319-09060-3_96.
Conference Papers:
- Jadda K. and Bag Ramakrishna. 2019. The Effect of Saline Fluid on Hydraulic Properties of Clays. International Association for Computer Methods and Advances in Geomechanics (IACMAG) Symposium, IIT Gandhinagar, March 5-7.
- Bag Ramakrishna, Jadda K, Srikanth R N. 2018 Effect of sand ratio on Swelling pressure and Hydraulic conductivity of an Indian bentonite-sand mixture, Accepted for publication in 7th International Conference on Unsaturated soil, Hong Kong, Aug. 3-5, pp 1-6.
- Bag Ramakrishna, Jadda K, Katipelly R R. 2017, Ageing effect on microstructure of compacted bentonite under various applied suction, Goetchnics for natural and engineered sustainable technologies, Indian Geotechnical Conference, IIT Guwahati, Dec. 14-16, pp 1-4.
- Bag Ramakrishna, Siddharthan, S. 2016. Establishing soil-water characteristic by filter paper technique. International conference on soil and Environment, Bangalore, India. Vol 1, pp 1-6.
- Bag Ramakrishna, Tripathy, S., Thomas, H.R., 2010, Behaviour of Compacted MX80 Bentonite under Thermo-hydraulic Gradients, In proceedings of Sixth International Congress on Environmental Geotechnics, Delhi, India, Datta, M., Srivastava, R.K., Ramana, G.V., Shahu, J.T., pp 1401-1404.
- Tripathy, S., Bag Ramakrishna, Thomas, H.R., 2010, Desorption and Consolidation Behaviour of Initially Saturated Clays, In proceedings of Fifth International Conference on Unsaturated Soils, Barcelona, Spain, Alonoso, E., Gens, A., pp 381-386.
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| Course conducted |
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- December 17th – 21st 2018: GIAN course on “Coupled Unsaturated and THM Behavior of Soils and Rocks. Applications to Geo-Energy and Geo-environmental Problems” at NIT Rourkela.
- October 3rd - 4th 2016: TEQIP- II sponsored short term course on “Industrial safety and Hazards Management” at NIT Rourkela.
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| Invited talk |
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- July 12th -13th 2018: “Radioactive waste management - India scenario” during Programme for Networking Workshop On Contaminated Sites: Subsurface Investigations and Remediation, organised by IIT Delhi, sponsored by Govt. of India.
- 5th-6th October 2017, BARC Mumbai: “effect of compaction stress and elevated temperature on swelling pressure development in smectite clay”, BARC-NRG-BRNS theme meeting in site characterization, design and safety assessment of radioactive waste disposal facilities.
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