Department of Civil Engineering
Professor and Head

Professor and Head


B.E.,(Civil), M.E.,(Struc.), Ph.D.

Research Interests

• Steel concrete Composite
• Sustainable concrete
• Eco-Friendly construction
• Alternative ingredients for high performance concrete

Awards and Recognitions

• Reviewer for Esteemed Journals (includes Springer, Elsevier, Taylor & Francis).
• Awarded as “Incredible Academicians Researchers of India – 2021” by Record Owners.
• Appreciated with ‘Academic Leadership Award- 2021’ in the Heads-up International Glad Awards
by Global Leaders Academy of Development.



Journal Publications (SCI / Scopus / WoS) 40
H-Index 10
i10-index 10
Citation 233
Journal Publications (Non-Indexed) 14
Grant Patents 02
Published Patents 06
Filed Patents 03
Design Patent Grant 01
Conference Publications 26
Book Chapters 02
Book Publication 01

International / National Journals (Total Citation: 202, H-index: 09, i10 index: 09)

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1. R.Divahar and P.S. Joanna., “Lateral Buckling of Cold formed Steel beam with trapezoidally corrugated web”, International Journal of Civil Engineering and Technology, March 2014, Vol-5, Issue 3, pp. 217-225. (Scopus Indexed Journal).
2. R.Divahar and P.S. Joanna., “The Effect of Web Corrugation in Cold- formed Steel beam with trapezoidally corrugated web”, American Journal of Engineering Research, June 2014, Vol-5,Issue 3, pp. 137-142.(Index Copernicus & DOAJ Journal)
3. R.Divahar and P.S. Joanna., “Ductility of Concrete Encased Cold-Formed Steel Beam with trapezoidally corrugated web”, Applied Mechanics and materials, August 2014, Vol-622, pp. 65-73. (Scopus Indexed Journal).
4. Lincy P Abraham, Divahar R, Dr. P.S.Joanna and T.M.Matthai., “Behaviour of Encased Cold-Formed Trapezoidally Corrugated Web Beam”, International Journal of Engineering Sciences & Research Technology, October, 2013, pp. 2657-2663. (Index Copernicus, DOAJ Journal & Thomson Reuters).
5. R.Divahar, P.S.Joanna and P.Sivakumar, “Flexural Behaviour of Cold Formed Steel Beam with Trapezoidally Corrugated Web”, International Journal of Earth Sciences and Engineering – IJEE October 2014, Vol-7 (05), pp.852-861. (Scopus Indexed Journal).
6. Dr.R.Divahar and P.S.Joanna., “Investigation on the behaviour of encased Cold-formed steel beam with trapezoidally corrugated web”, “International Journal of Chemical Sciences” May 2016, Vol-14(S1), pp.10-16. (Scopus Indexed Journal).
7. R.Divahar and P.S.Joanna., “Numerical simulation and experimental investigation on static behavior of cold formed steel beam with trapezoidally corrugated web by varying depth-thickness ratio”, Asian Journal of Civil Engineering, February 2018, 19(8), 121- 137,, Springer International Publishing AG, part of Springer Nature 2018. (Springer & Scopus Indexed Journal).
8. R.Divahar and P.S.Joanna., “Experimental Study on Lateral- Torsional Buckling of Trapezoidally Web Profile Cold Formed Steel Beam by Varying Depth-Thickness Ratio using Non-Linear Graphic Solution”, TAGA Journal of Graphic Technology”, March 2018, 14, pp. 3292-3301. (Directory of Science & Directory of Research Journals Indexing- DRJI).
9. R.Divahar and P.S.Joanna., “ Experimental Investigation of Beam- Column joints made with High Volume Fly-Ash Concrete Subjected to Reversed Lateral Loading” Materiali In Tehnologije / Materials and Technology – Slovenia, 2018, Vol.52 (5) 661(2018), pp.661-666. (Scopus Indexed Journal, Science Citation Index Expanded & Materials Science Citation Index).
10. Tamirat Dessalegn Haile, R.Divahar and T.Meenambal, “Waste from Electrical and Electronic Equipment’s: Issues in Management and Disposal” International Journal of Engineering Research & Technology, July 2018, Vol.7 (07), pp.149-156. (Elsevier Indexed Journal).
11. Tamirat Dessalegn Haile, R.Divahar, T.Meenambal and S.Priyadharshini, “Plastics Waste from E- waste: issues in management and disposal in the Indian context” International Journal of Innovative Research Explorer- Sep 2018, Vol.5 (09), pp.6-18. (Index Copernicus & DOAJ Journal).
12. Vijay Sindh Rawat and R.Divahar, “A review on Influence of Retrofitting on Existing Buildings” International Journal for Science and Advance Research in Technology, August 2018, Vol.4 (08), pp. 396-398. (Academic Resource Indexed).
13. Vijay Sindh Rawat, R.Divahar, ChimdiGadafa and Shreyance Sharma“A Review: Ground Improvement Techniques” International Journal for Science and Advance Research in Technology, November 2018, Vol.4 (11), pp. 368-372. (Academic Resource Indexed).
14. Mohanakavitha.T , R.Divahar, T.Meenambal, KeredinTemamSiraj “Assessment of Water Quality on Surface water in Kalingarayan canal for Heavy Metal Pollution, Tamilnadu”, Indian Journal of Ecology, March, (2019), Vol.46(1), pp. 49-54. (Scopus Indexed Journal).
15. Mohanakavitha T, R.Divahar, Meenambal T, Shankar K, Vijay Singh Rawat, TamiratDessalegn Haile, ChimdiGadafa “Dataset on the assessment of water quality of surface water in Kalingarayan Canal for heavy metal pollution, Tamil Nadu” Data in Brief,, February 2019, Vol.22, pp. 878-884. (Elsevier, Scopus and DOAJ Indexed Journal).
16. Vijay Sindh Rawat, R.Divahar, Chimdi Gadafa and Bhupender Singh Rawat,“A Combined use of Fly-ash and Metakaolin as Supplementary materials for Cement in Cement Concrete” International Research Journal of Engineering and Technology (IRJET), Jan 2019, Vol.6 (01), pp. 804-812. (Indexed by Thomson Reuters).
17. Vijay Sindh Rawat, R.Divahar, Preeti Kulshrestha “A Review: Impact of Retrofitting in Term of Sustainability Development and Green Building” International Research Journal of Engineering and Technology (IRJET), Jan 2019, Vol.6 (01), pp. 813-819. (Indexed by Thomson Reuters).
18. Divahar Ravi, Aravind Raj P.S, Sangeetha S.P, Joanna Philip Saratha, “Experimental, Analytical and Numerical studies on Concrete Encased Trapezoidally Web Profiled Cold Formed Steel Beams by Varying Depth-Thickness (dw/tw) Ratio “Frontiers of Structural and Civil Engineering”, 2020, 14(4), 930-946, doi: 10.1007/s11709-020-0652-1. (Scopus Indexed Journal, Science Citation Indexed).
19. R.Divahar, P.S. Aravind Raj , S.P.Sangeetha and T. Mohanakavitha, “Impact of industrial wastewater disposal on surface water bodies in Kalingarayan canal, Erode district”, Indian Journal of Ecology, , Dec 2019, 46(4): 823-827. (Scopus Indexed Journal)
20. S. P. Sangeetha, P.S.Aravind Raj, R.Divahar, Ajith Kumar, Sijo A, “Aquaponics for Food Production in Different Growing Beds”, International Journal of Recent Technology and Engineering, Sep 2019, Vol 8(3), 6103-6106. (Scopus Indexed Journal)
21. Dr.P.S.Aravind Raj, F. S. Frieda, S. P. Sangeetha, R. Divahar, Reinforced Concrete beam with light weight blocks and steel fibre added below neutral axis, International journal of innovative technology and exploring engineering, Dec 2019, 9(2), 4214-4218. (Scopus Indexed Journal).
22. P.S.Aravind Raj, R.Divahar, K. Naveen Kumar & Rakshana, Cold-Formed Steel Beam Column Joints with Latex Layer Wrapping, International journal of engineering and advanced technology (ijeat), Dec 2019, 9(2), 3132-3135. (Scopus Indexed Journal).
23. K.Naveen kumar, D.S.Vijayan, R.Divahar & C.Nivatha, An experimental study on light weight concrete blocks using vermiculite, Material today proceeding, Dec 2019, 22(3), 987-991. (Scopus Indexed Journal).
24. K.Naveen kumar, R.Divahar, Experimental study on concrete properties using scoria light weight aggregate, International journal of scientific and technology research, Dec 2019, 8(12), 4024-4027. (Scopus Indexed Journal).
25. C.Nivetha, R.Divahar , T.Mohanakavitha, Divaker D, Manoj Kumar P, Soil characterization in area near river bhavani basin, Tamilnadu, International journal of recent technology and engineering (IJRTE), Dec 2019, 9(2), 4023-4025. (Scopus Indexed Journal).
26. Dr.S.P.Sangeetha, P. S. Aravind Raj, R. Divahar, Jummai Tali, Rajat Chander, Performance on exclusive bus lanes in Chennai, International journal of engineering and advanced technology, Dec 2019, 9(2), 5255-5258. (Scopus Indexed Journal)
27. Dr.S.P.Sangeetha, R.Divahar, P.S.Aravind Raj , Aboobacker Minaz P M, Abdulla Nahavir Namzeer, An expert system to rate construction site based on safety, International journal of innovative technology and exploring engineering, Nov 2019, 8(4), 8870-8873. (Scopus Indexed Journal).
28. T. Mohanakavitha, K. Shankar , R. Divahar, T. Meenambal & R.Saravanan, Impact of industrial wastewater disposal on surface water bodies in Kalingarayan canal, Erode district, Tamil Nadu, India, Archives of Agriculture and Environmental Science, Dec 2019, 4(4): 379-387. (Scopus Indexed Journal).
29. Dr.S.P.Sangeetha, R.Divahar, Kyrshanborlang Mawlong,Balajied Lyngkhoi, Aiporlang Kurkalang, Mechanical Characteristics Of Pumice Stone As Light Weight Aggregate In Concrete, INTERNATIONAL JOURNAL OF SCIENTIFIC & TECHNOLOGY RESEARCH, Jan 2020, 9(1), 3760-3762. (Scopus Indexed Journal).
30. R. Divahar, S. P. Sangeetha, P. S. Aravind Raj, S. Ispara Xavier, Bricks Manufacturing With Partial Replacement Of Clay With GGBS, INTERNATIONAL JOURNAL OF SCIENTIFIC & TECHNOLOGY RESEARCH, Feb 2020, 9(2), 6498-6501. (Scopus Indexed Journal).
31. M.Siva, T. Sasikumar, P. S. Aravind Raj & R. Divahar, Ductility Enhancement of Reinforced Concrete beam using Engineered Cementitious Composites in the tension zone, Materials Today: proceedings, 2020, 33, 189-195, (Scopus Indexed Journal).
32. S. Ispara Xavier, R. Divahar, P.S.Aravind Raj, A. Paisala, K.Goutham and P. Yogesh Bala, The Analytical Study on Cold Formed Steel Double Skin Tubuler Column, AIP Conference Proceedings, 2271, 030010(1-8), 2020. (Scopus Indexed Journal and WOS).
33. Aravind Raj P.S, Divahar R, Sangeetha S P, Meenambal T, Frieda F S, Numerical Simulation and Experimental Investigation on Seismic Performance of Composite Structural connection of Encased CFST column and reinforced concrete beam with steel ring, The Open Construction & Building Technology Journal, 14(1), 309-320, 2020 (Scopus Indexed Journal).
34. S.P. Sangeetha, R. Divahar, P.S. Aravind Raj and K. Ganesan, Economical – Eco friendly bricks manufactured using waste papers under different curing conditions, AIP Conference Proceedings, 2271, 030022(1-5), (2020). (Scopus Indexed Journal and WOS).
35. Aravind Raj P.S, Divahar R and Sangeetha S.P, “Sustainable Development of Structural Joint made with High Volume Fly-Ash Concrete”, International Journal of Advanced Science & Technology. 29(10S), (2020), pp. 6850-6857. (Scopus Indexed Journal)
36. K.Naveen Kumar, R.Divahar, J. Praveen Kumar, Saravana P and M. Ashokkumar, Experimental Investigation of Pumice Stone as Coarse aggregate in Concrete, AIP Conference Proceedings, 2271, 030011(1-9), (2020). (Scopus Indexed Journal and WOS).
37. Srija J, R.Divahar, G. Harishwar Goud, N. Mohan Chand and L.Rahul Reddy, Load Bearing Capacity of rice husk added Glass Fiber Reinforced Hollow Block Wall, AIP Conference Proceedings, 2271, 030027(1-9), (2020). (Scopus Indexed Journal and WOS).
38. Aravind Raj P S, Divahar R, Sangeetha S P , Joanna P S, Quasi-Static cyclic load performance of encased concrete filled steel tubular with steel loops joint using sustainable concrete, Asian Journal of Civil Engineering, 2020 , 21, (7), 1259–1267, (Springer & Scopus Indexed Journal).
39. R.Divahar, P.S. Aravind Raj, S.P.Sangeetha and T. Mohanakavitha, Impact Assessment of Water Quality for Ground water parameters on Kalingarayan Canal, Erode District, Tamilnadu, India, Indian Journal of Ecology, 2020, 47(4): 889-896.(Scopus Indexed Journal and WOS)
40. Divahar R, Aravind Raj P S, Sangeetha S P, Mohanakavitha T and Meenambal T, Dataset on the assessment of water quality of ground water in Kalingarayan Canal, Erode district, Tamil Nadu, India, Data in Brief, Volume 32, October 2020, 106112, (Elsevier & Scopus Indexed Journal).
41. R. Divahar, P.S. Aravind Raj, M. Siva and S. Ispara Xavier, Durability performance of Self-Healing Bacterial impregnated concrete with m- sand for Sustainable Environmental, Indian Journal of Environmental Production, 2021, 41(10), 1120-1125 (Scopus Indexed Journal).
42. R.Divahar, S.P.Sangeetha, P.S. Aravind Raj, T. Mohana kavitha and T.Meenambal “Analysis of Surface Water Quality in Kalingarayan canal by numerical modeling using Computational Fluid Dynamics (CFD), Environmental Engineering & Management Journal, June 2021, Vol (20), Issue(6), 1011-1023. (Springer, Scopus Indexed Journal & Science Citation Index Expanded).
43. J.Samuel, J. Pravin, R. Divahar, P.S. Aravind Raj and P.S.Joanna, Performance Enhancement of Built-up Cold Formed Steel Beams with Diagonal Rebars in Web, Materials Today: proceedings,, 45(7), 2021, 5903-5910.(Elsevier & Scopus Indexed Journal).
44. K.Naveen Kumar, P.A. Suriya, R.Divahar, S.P.Sangeetha and K.Jayakumar, Experimental investigation flexural behavior of reinforced concrete beam with partial replacement of vermiculite, Materials Today: Proceedings, 2021, 46, 5885, (Scopus Indexed Journal).
45. D. S. Vijayan, Henok Tsegaye Tadesse, Yohanan Yokamo, R. Divahar, Thomas Bezabih Bashe, J. Jebasingh Daniel, “A Brief Data on Water Demand Assessment for Sustainable Potable Water Supply in Yergalem Tula Kebele, Ethiopia”, Journal of Environmental and Public Health, vol. 2022, Article ID 1606590, 8 pages, 2022. (Scopus Indexed Journal & SCI).
46. Pa. Suriya, K. Naveenkumar, S P Sangeetha, R Divahar and S. Vijaykumar, A Study on Detection Of E-Coli Bacteria in Drinking Water using E-Nose System, IOP Conf. Series: Materials Science and Engineering, 2021, 1119 (012009), 1-6. (Scopus Indexed Journal.
47. K.Naveenkumar, R.Divahar, P.S.Aravind Raj and S.P.Sangeetha, Elimination of Greenhouse Gas Emissions by Utilization of Industrial Wastes in High Strength Concrete for Environmental Protection, Nature Environment and Pollution Technology, 2022, 21(2), pp.739-745, (Scopus & WOS Indexed Journal).
48. Aravind Raj P S, Divahar R, Arun R Nair, Aswin S and Bipeesh B, Study of Self Depuration Capability of River Pamba, IOP- Conference Proceedings- Journal of Physics 2021, 2040(1),01209 (Scopus Indexed Journal).
49. P.S. Aravind Raj, R. Divahar, R. Lilly, R. Porselvan R and K. Ganesan, “Experimental Investigation of Geopolymer Flexible Pavement with Waste Plastics Aggregates”, Nature Environment and Pollution Technology, Vol.21, pp.721-736, 2022. DOI:, (Scopus & WOS Indexed Journal).
50. Ispara Xavier, Divahar R, Aravind Raj P.S, Devi Saran M, Varsha Manohar, Athul Sudhakaran, Control of Environmental Pollution by Utilizing Wastes from Industry on Fly-ash based Geopolymer Concrete, IOP- Conference Proceedings- Journal of Physics 2021, 2040,012003 (Scopus Indexed Journal).
51. Ispara Xavier, Divahar R, Aravind Raj P.S, Astoria Femy Roy, Athira P.R and Maria Duna C B, Design of Water Distribution System for Thirumittacode Grama Panchayat, IOP- Conference Proceedings- Journal of Physics 2021, 2040, 012054 (Scopus Indexed Journal).
52. Ispara Xavier, Aravind Raj P.S, Divahar R, Arun Mohan, Nithin T and Shamsad A C, Characteristics Study on Leachate Sample of Laloor, Thrissur, IOP- Conference Proceedings- Journal of Physics 2021, 2040,012053 (Scopus Indexed Journal).
53. R.Divahar, Sangeetha S.P, Aravind Raj P.S and Naveen Kumar. K, Mechanical Properties of Alccofine with Low Calcium Silicate Based High- Strength Concrete, Lecture notes on Civil Engineering, Recent Advances in Structural Engineering and Construction Management, Proceedings of ICSMC 2021, pp. 493-504. (Scopus Indexed Journal).
54. K. Naveen Kumar, R. Divahar, V.S.Nyjil, T. Remitha and S.Sayanth, Experimental Investigation on Low Cost Concrete Structures, AIP Conference Proceedings 2690, 2023), pp: 020018 (1-5) (Scopus Indexed Journal).
55. S.Ispara Xavier, R.Divahar and P.S.Aravind Raj, A comprehensive review on the strength, durability and sustainability performance of concrete flexure member with reduced cement usage, BioGecko, A Journal for new Zealand Herpetology,2023, Vol 12 (1), pp: 1081-1102. (UGC Care list).
56. B.Saravanan, R. Divahar, S.P.Sangeetha and M.Bhuvaneshwari, Evaluation of the Energy Factor and Equivalent CO2 Gas Emission by Utilization of Industrial By-products in Concrete for Environmental Protection, Nature Environment and Pollution Technology, 2023, Vol: 22 (1), pp: 327-338. (Scopus Indexed Journal).
57. N.Nageswari and R.Divahar, Experimental Investigation on Hybrid Fibre Reinforced Concrete by Partial Replacement of M-Sand with Fine Aggregate, International Journal of Latest Engineering Research and Applications, 2022, Vol: 07 (02), pp 37-43.

Books and Book Chapter Publication

1. Vijay Singh Rawat and Divahar Ravi, “Retrofitting Techniques for Residential Buildings with Cost Comparison”, ISBN no- ISBN 978-613-9-44374-1, Published by LAMBERT Academic Publishing (LAP), Germany in the year January, 2019.
2. S. P. Sangeetha, P. S. Aravind Raj and R. Divahar, “Monitoring the Performance of Exclusive Bus Lanes in Chennai, Emerging Trends in Engineering Research and Technology (Chapter 14), Print ISBN: 978-93-90431-71-7, eBook ISBN: 978-93-90431-76-2 , 2020, DOI: 10.9734/bpi/etert/v11.
3. S. P. Sangeetha, R. Divahar and P. S. Aravind Raj, “Assessment of Eco Friendly Bricks Manufactured using Waste Papers”, Technological Innovation in Engineering Research, Chapter 3, Print ISBN: 978-93-5547-370-7, eBook ISBN: 978-93-5547-378-3, DOI: 10.9734/bpi/tier/v1/2363B Patent Title Name of Applicant(s) Patent No./ Date Agency-Country/Status
1 Earthquake resistant cold-formed steel beams with fly ash concrete encased trapezoidal corrugated web R.Divahar, P.S.Joanna 201641023067 A / Jan – 2018 IP India/Published
2 Non-structural crack arresting reinforced-brick Dr.P.S.Aravind Raj, Dr.R.Divahar, Dr.S.P.Sangeetha 201941044591 / Nov- 2019 IP India/Published
3 Manufacturing of Green concrete by partial replacement of Ferrock powder as an alternative to conventional cement Dr. D. S. Vijayan, Dr. S. P. Sangeetha,Divahar R, (+8 Inventors) 2020104412 / Jan – 2021 Australian Patent/Granted
4 Quasi-static cyclic load performance testing method of encased concrete‑filled steel tubular with steel loops joint Dr.P.S.Aravind Raj,Dr.P.S. Joanna,Dr. R. Divahar,(+7 Inventors), 2021100664 / Feb – 2021 Australian Patent/ Granted
5 Dissolving cover block for concrete Dr.P.S.Aravind Raj, Dr.R.Divahar, Dr.S.P.Sangeetha 202141012648 / Sep-2022 IP India/Published
6 Corrugated composite corbel Dr.R.Divahar, Dr.P.S.Aravind Raj, Dr.S.P.Sangeetha 202141012649 / Sep-2022 IP India/Published
7 Outer thread coupler for reinforcement Dr.S.P.Sangeetha, Dr.P.S.Aravind Raj, Dr.R.Divahar 202141012652 / Sep-2022 IP India/Published
8 Ferro Cement Mini-Brick- Design Patent Dr.S.P.Sangeetha, Dr.P.S.Aravind Raj, Dr.R.Divahar 341784-001 / April-2021 IP India/Granted
9 Light Transmitting Concrete Wall Panels Using Optical Fibres Dr.S.P.Sangeetha, Dr.R.Divahar, Dr.P.S.Aravind Raj, Ms.P.Subathra 202241007857 / Feb 2022 IP India/Published
10 High Performance Concrete with Metakaolin and Alccofine Replacement of Cement Dr.R.Divahar, Dr.P.S.Aravind Raj, Dr.S.P.Sangeetha, Mr.Naveen Kumar 202241007856 / Feb 2022 IP India/Published
11 Light Weight Reinforced Concrete Beams Dr.P.S.Aravind Raj, Dr.S.P.Sangeetha, Dr.R.Divahar, Ms.S.Ispara Xavier 202241007859 / Feb 2022 IP India/Published