Publications
Journal:
1. Roy, R. and Mahato, S. (2013). “Equivalent Lateral Force Method for Buildings with Setback: Adequacy in Elastic Range”, Earthquakes and Structures, Techno Press, Vol.4, No.6, pp. 685 -710.
2. Roy, R. and Chakrovorty, S. (2013). “Seismic Demand of Plan-asymmetric Structures: A Re-visit”, Earthquake Engineering and Engineering Vibration, Springer, Vol.4, No.1, pp. 99-117.
3. Mandal, B., Roy, R. and Dutta, S. C. (2012). “Lateral Capacity of Piles in Layered Soil: A Simple Approach”, Structural Engineering and Mechanics, Techno Press, Vol.44, No.5, pp. 571-584.
4. Dutta, S. C. and Roy, R. (2012). “Seismic Demand of Low-rise Multistory Systems with General Asymmetry”, Journal of Engineering Mechanics, ASCE, Vol.138, No.1, pp. 1-11.
5. Dutta, S. C. and Roy, R. (2012). “Performance of Seismically Designed Buildings under Blast Loadings”, Iranian Journal of Science and Technology, Transaction B, Engineering, Vol. 36, No. C2, pp. 149-166.
6. Das, P. K. and Roy, R. (2010). “Seismic Behaviour of Torsionally Unbalanced Structures: Influence of Strength Dependent Stiffness”, Int. Journal of Earth Sciences and Engineering, Vol. 03, No. 03SPL, pp. 352-361.
7. Roy, R. and Dutta, S.C. (2010). “Inelastic Seismic Demand of Low-rise Buildings with Soil-flexibility”, Int. Jr. of Nonlinear Mechanics, Elsevier, Vol. 45, No. 4, pp. 419-432.
8. Dutta, S. C.., Dutta, S. and Roy, R. (2009). “Dynamic Behaviour of R/C Elevated Tanks with Soil-structure Interaction”, Engineering Structures, Elsevier, Vol. 31, No. 11, pp. 2617-2629.
9. Dutta, S. C., Raychowdhury, A., Chakrovorty, S. and Roy, R. (2009). “Pushover Analysis: Proposals for Modification”, Structural Engineering International (Science and Technology), International Association of Bridge and Structural Engineering; Vol. 19, No. 3, pp. 249-255.
10. Dutta, S. C., Bhattacharya, K., and Roy, R. (2009). “Effect of Flexibility of Foundations on Its’ Seismic Stress Distribution”, Journal of Earthquake Engineering, Taylor and Francis, Vol. 13, No. 1, pp. 22-49.
11.Dutta, S. C., Roy, R., Das, P. K., Roy, R., Reddy, G. R. (2007). ‘Seismic Safety of Structures: Influence of Soil-flexibility, Asymmetry and Ground Motion Characteristics’, Journal of Sound and Vibration, Elsevier, Vol. 307, No. 3-5, pp. 452-480.
12. Bhattacharya, K., Dutta, S. C., and Roy, R. (2006). “Seismic Design Aids for Buildings Incorporating Soil-flexibility Effect”, Journal of Asian Architecture and Building Engineering, Vol. 5, No. 2, pp.341-348.
13. Dutta, S. C., Das, P. K., and Roy, R, (2005). “Seismic Behaviour of Code-Designed Bi-Dectionally Eccentric Systems”, Journal of Structural Engineering, ASCE, Vol. 131, No. 10, pp. 1497-1514.
14. Dutta, S. C., Roy, R., and Dutta, S. (2004). “Applicability of a Few Analytical Formulations for Dynamic Characteristics of Elevated Tanks with Battered Stagings”, Int. Jr. of Applied Mechanics and Engineering, Technical University Press, Zielona Gora, Poland, Vol. 9, No. 4, pp.803-819.
15. Dutta, S. C., Bhttacharya, K., and Roy, R. (2004). “Response of Low-Rise Buildings under Seismic Ground Excitation Incorporating Soil-Structure Interaction”, Soil Dynamics and Earthquake Engineering, Elsevier, Vol. 24, No. 12, pp. 893-914.
16. Dutta, S. C., and Roy, R. (2002). “A Critical Review on Idealization and Modelling for Interaction among Soil-foundation Structure system”, Computers and Structures, Elsevier, Vol. 80, No. 20-21, pp. 1579-1594.
17. Roy, R., and Dutta, S. C. (2001). “Differential Settlement among Isolated Footings of Building Frames: The Problem, Its Estimation and Possible Measures”, Int. Journal of Applied Mechanics and Engineering, Technical University Press, Zielona Gora, Poland, Vol. 6, No. 1, pp. 165 - 186.
18. Roy, R., Bhattacharya, K. and Dutta, S. C. (2004). “Behaviour of Grid Foundation under Static Gravity Loading”, Journal of Institution of Engineers (India), Vol. 85, February, pp.261-268.
19. Roy, R., Dutta, S. C., and Moitra, D. (2002). “Soil-Structure Interaction in Buildings with Isolated and Grid Foundations: Progress and Scopes”, The Bridge and Structural Engineers, IABSE (India), Vol. 31, No. 4 pp. 15-36.
20. Roy, R. (2002). “Estimation of Fundamental Time Periods of Building Frames: A Brief Review”, Civil Engineering Today, ASCE, (India), Vol. XXI, No. 2, pp. 8 - 9.
Conference:
21. Roy, R., Ghosh, D. and Bhattacharya, G. (2013), “Estimating Instability of Slopes During Earthquake: A Simple Framework”, Proc. of Indian Geotechnical Conference, Indian Institute of Technology, Roorkee, India. (Accepted)
22. Thakur, P. and Roy, R. (2013), "Seismic Behaviour of Plan-asymmetric Structures under Spectrally Matched Records", International Conference on Structural Engineering and Mechanics (ICSEM).
23. Sengupta, A. and Roy, R. (2013), "Seismic Behaviour of R/C Frames with Bi-axial Interaction", International Conference on Structural Engineering and Mechanics (ICSEM).
24. Panda, D., Bhowmick, S. and Roy, R. (2013). "Impedance of Circular Foundations in Dynamic SSI Analysis: A Distributed Approach", Proc. of Symosium on Sustainable Infrastructure Development (SID), Indian Institute of Technology Bhubaneswar, Odisha, India.
25. Thakur, P., Roy, R. and Chakrovorty, S. (2012) “Suitability of UHS and CMS for Scaling of Ground Motions: Implications to Seismic Response”, Int. Congress on Computational Mechanics and Simulation (ICCMS), IIT Hyderabad, December 9-12.
26. Mahato, S., Chakraborty, P. and Roy, R. (2012). “Uncertainty of Code-torsional Provisions to Mitigate Seismic Hazards of Buildings with Setback”, Proc. of Int. Symposium on Engineering under Uncertainty: Safety Assessment and Management (ISEUSAM), pp. 629 - 642.
27. Chakroborty, S. and Roy, R. (2010). “An Efficient Seismic Design Technique of Asymmetric Structures: A Re-evaluation”, Proc. of of Int. Conf. for Highrise Towers and tall Buildings, April 14-16, Technische Universität München, Germany.
28. Das, P. K., Chakroborty, S. and Roy, R. (2010). “Seismic Behaviour of Torsionally Unbalanced Structures: A Unified Approach”, Proc. of of Int. Conf. of Challenges and Applications of Mathematics in Science and Technology (CAMIST), January 11-13, NIT, Rourkela, Orissa.
29. Das, P. K. and Roy, R. (2009). “Seismic Behaviour of Horizontally Irregular Structures Accounting Strength Dependent Stiffness”, Proc. of Int. Conf. of ACSGE-2009, October, 25-27, BITS Pilani, India.
30. Basak, B. N., Roy, R., Mookherjee, S. and Biswas, S. (2009). “Bearing Capacity of Shallow Foundations using Different Methods: A Case Study”, Proc. of Indian Geotechnical Conference, Guntur.
31. Basak, B. N., and Roy, R. (2008). “Assessment of Lateral Capacity of Long Piles in Layered Soil”, Proc. of National Seminar on Geotechnique in Present Development Scenario, September 5-6, pp. 134-137.
32. Roy, R., Chowdhury, P. R., and Dutta, S. C. (2008). “Assessing Seismic Performance of Elevated Tanks with P-D Effects,” Proc. of All India Seminar on natural Disaster and Earthquake Engineering Structures – Role of Civil Engineering, 23-24.
33. Dash, P., Roy, R., and Dutta, S. C. (2007). “Can Existing Seismic Design Strategy Cater to Explosive Shock?”, Proc. of Int. Conf. on Civil Engineering in the New Millennium: Opportunities and Challenges, Department of Civil Engineering (CeNEM), Bengal Engineering and Science University, Shibpur, India, January, 11-14.
34. Roy, R. and Dutta, S.C. (2005). “Inelastic Seismic Behaviour of Multistory Building Frames with General Class of Asymmetry”, Proc. of Int. Conf. of START, IIT, Kharagpur, January, 288-297.
35. Roy, R., Das, P. K., Chowdhury, R., and Dutta, S. C. (2004). “Adequacy of Existing Seismic Torsional Provisions: A Critical Review with Recommendations”, Proc. of World Congress on Natural Disaster Mitigation, New Delhi, India, February, 19-22, pp. 337-347.
36. Roy, R., Chowdhury, R. and Dutta, S. C. (2004). “Role of Steel in Improving Behaviour of Concrete”, Proc. of Conf. on Long Products, Jamsedpur, India, pp. 38.1 – 38.10.
37. Roy, R. and Dutta, S. C. (2001). “Effect of Soil-Structure Interaction on Seismic Torsional Behaviour of Building Frames”, Proc. of Second International Conference on Theoretical, Applied, Computational and Experimental Mechanics (ICTACEM 2001), December 27-30, Paper No. 24, Indian Institute of Technology, Kharagpur, India.
38. Roy, R. and Dutta, S. C. (2001). “Effect of Soil-Structure Interaction on Dynamic Behaviour of Building Frames on Grid Foundations”, Proc. of Structural Engineering Convention (SEC 2001), An International Meet”, Indian Institute of Technology, Roorkee, India. pp. 694-703.
39. Roy, R., Dutta, S. C., and Moitra, D. (2001). “Behaviour of Grid Foundations Supporting Multistory Frames: A Study Through Idealized Model”, Proc. of Int. Conf. on Mathematical Modeling”, University of Roorkee, Roorkee, India, pp. 452-457.
40.Roy, R., Dutta, S. C., and Moitra, D. (2001), “Effect of Soil-Structure Interaction on Dynamic Behaviour of Building Frames on Isolated Footings”, Proc. of the National Symposium on Advances in Structural Dynamics and Design (ASDD), Chennai, India, January 9-11, pp. 579 - 586.
41.Bhattacharya, G., Dutta, S. C., Roy, R., Dutta, S., and Roy, T. K. (2000), “A Simple Approach for Frame-Soil Interaction Analysis”, Proc. of Indian Geotechnical Conference (The Millennium Conference), Indian Institute of Technology, Powai, Mumbai, India, December, 13-15, pp. 119.
42. Roy, R., Dutta, S. C., Moitra, D., and Ray, P. K. (2000), “Soil-Structure Interaction in Buildings with Isolated and Grid Foundations: Progress and Scopes”, Proc. of All India Seminar on Structures in 21st Century, Organized by ASCE-IS and ICI, Kolkata, India.