Dr. Ramakrishna Bag

 
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
Research Interest :
  • Toxic waste disposal
  • Unsaturated soil mechanics
  • Geo-energy
  • Geoenvironmental Engineering
  • THM behavior of soils and rocks
Other Interests:
  • Safety Engineering
Courses Taught at IITP :
  • 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
Professional Experience :
  • 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
Visiting Researcher :
  • Dec. 2008      Bauhaus University, Weimar, Germany.
  • June 2008      Ruhr University, Bochum, Germany.
  • Dec. 2009      Ruhr University, Bochum, Germany.
Ph.D. Students  

Koteswaraarao Jadda

Mithun Mandal
Academic Awards and Honours :
  • 2008: PhD Scholarship, Cardiff University, UK
Member of Professional bodies :
  • AMIE - Associate member of Institution of Engineers (India) Limited.
  • Life member – Ground Engineering Group, ICE Wales Chapter.
Publications : 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.
Course conducted :
  • 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.
Invited talk :
  • 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.