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Rajiv Gandhi Institute of Technology

GOVT.ENGINEERING COLLEGE KOTTAYAM

(AFFILIATED TO APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY)
Rajiv Gandhi Institute of Technology, named after the late Prime Minister Sri Rajiv Gandhi, run by the Government of Kerala, started functioning in 1991.

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Department of Civil Engineering

Dr. Dhanya B S

Associate Professor


INFO

09940102991
dhanya_vinod@rit.ac.in
Employee
Date of joining Service :
Date of joining Rit :
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Educational Qualification


Qualification Specialization University Year
Ph.D Concrete TechnologyIIT Madras2015
M TechStructural Engg & Construction ManagementUniversity of Kerala2004
B TechCivil EnggUniversity of Kerala2002

Work Experience


Teaching Experience 17 years
Industrial Experience

Area Of Interest


Concrete durability, Repair and rehabilitation, Structural Design, Corrosion of steel reinforcement in RC systems
Membership: Indian concrete Institute Life member (LMN 10091, Registered in July 2013)  ISTE Life member (LM 109403, Registered in 2015)

Major Publications


Papers in Journals 10
Papers in Conferences 27
International Journals
1. B.S Dhanya and Manu Santhanam, Performance specification for concrete construction in India: Are we ready?, The Indian Concrete Journal, Vol. 87, September 2013, pp.- 36-43.
2. Santhosh George Cheriyan, B. S. Dhanya and Manu Santhanam, Durability indices for concretes with different dosages of mineral admixtures , The Indian Concrete Journal ,Vol. 88, March 2014, pp. 60-68.
3. B. S. Dhanya, M. Santhanam, V. Kulkarni, P. Nanthagoplan, S. Bishnoi, S. P. Singh, G. Indu Sivaranjani, P. Dinakar and S. Bhaskar, “Round robin testing of durability parameters – Towards identification of suitable durability tests for concrete”, The Indian concrete Journal, July 2017, Vol. 91, Issue 7, pp. 11-22.
4. B.S Dhanya and M. Santhanam, Performance evaluation of rapid chloride permeability test in concretes with supplementary cementitious materials, Materials and Structures (2017) 50: 67. doi:10.1617/s11527-016-0940-3
5. B. S. Dhanya, M. Santhanam, R. Gettu and R. G. Pillai, Performance evaluation of concretes having different supplementary cementitious material dosages belonging to different strength grades, Construction and Building Materials, 187 (2018), 984 – 995. https://doi.org/10.1016/j.conbuildmat.2018.07.185
6. R. Gettu, R.G. Pillai, M. Santhanam, A.S. Basavaraj, S. Rathnarajan and B.S. Dhanya, "Sustainability-Based Decision Support Framework for Choosing Concrete Mixture Proportions", Materials and Structures., DOI: 10.1617/s11527-018-1291-z, 51:165, 16 p. (2018).
7. B.S. Dhanya, Sundar Rathinarajan, Manu Santhanam, Radhakrishna G. Pillai and Ravindra Gettu, “Carbonation and its effect on microstructure of concrete with fly ash and ground granulated blast furnace slag”, The Indian Concrete Journal, April 2019, pp.- 10-21.
8. Arya E. K., Ittyeipe, A.V., Kamde D. K., and Dhanya B. S., “Service life of reinforced concrete (RC) systems with cement-polymer-composite (CPC) coated steel rebars”, The Indian Concrete Journal, November 2020, Vol. 94, No. 11, pp. 1-13.
9. Tiju Susan Thomas, Sankaran V., Jisha Unnikrishnan, and B. S. Dhanya, “Sustainability assessment of M25 grade recycled aggregate concrete”, The Indian Concrete Journal, May 2021, Vol. 95, No. 5, pp. 51-62
10. Sundar Rathinarajan, B.S. Dhanya, Radhakrishna G. Pillai, Ravindra Gettu and Manu Santhanam, Carbonation models for concretes with fly ash, slag, and limestone calcined clay - using accelerated and 5-year natural exposure data, Cement, Concrete and Composites, November 2021 (https://doi.org/10.1016/j.cemconcomp.2021.104329)
11. Swathy Manohar, K. Mohammed Haneefa, A. Bahurudeen, B. S. Dhanya and Manu Santhanam, Concrete as an artificial rock: Mineralogy of aggregates revisited, The Indian Concrete Journal, August 2022, Vol. 96, No. 9, pp. 5-36.
(https://icjonline.com/openaccess/2022/08/mobile/)

International conferences
1. R. Gettu, R. G. Pillai, M. Santhanam, and B.S. Dhanya, Ways of improving the sustainability of concrete technology through the effective use of admixtures, Creative Concrete Technologies for sustainable Future, Korea Concrete Institute, December 2013, 107 – 126.
2. B.S. Dhanya, M. Santhanam, R. G. Pillai, and R. Gettu, Evaluation of various electrical methods used to assess chloride transport in concrete, Proceedings of The fourth fib congress (Improving performance of concrete structures), Mumbai, February 2014.
3. B. S. Dhanya, and M. Santhanam, Use of combined durability parameters for different exposure conditions, Proceedings of the RILEM International Workshop on performance-based specification and control of concrete durability, Croatia, June 2014, 101-108.
4. B. S. Dhanya and M. Santhanam, Study of the influence of mineral admixtures on the durability parameters of concrete, Proceedings of the 10th fib international Ph. D. Symposium in Civil Engineering, Canada, July 2014, 131-136.
5. B. S. Dhanya, M. Santhanam and B. N. B. Kumar, Durability performance of slag as a supplementary cementitious material, Second international conference on durability of concrete, ICDC – 2014, December 2014.
6. Bharath. M.S, Santhanam, M and B. S. Dhanya, Study of influence of moisture content, portlandite content and pore solution conductivity on surface resistivity of concrete, fib Symposium 2016 on Performance-based approaches for concrete structures: Materials technology, structural design, analytical modelling, conformity assessment and testing, Cape town, South Africa
7. B. S. Dhanya and Manu Santhanam, Service life Estimation of concretes having different Supplementary Cementitious Materials using Duracrete model – Issues and the way forward, CORCON - 2016, NACE International, New Delhi, 2016.
8. B. S. Dhanya, Anujith K. Babu, Jacob Sebastian, Varsha S. Kumar and Smruthi P. Nair, Performance evaluation of concrete made of recycled fine aggregates from different exposure conditions, 71st RILEM Week & ICACMS 2017, International Conference on Advances in Construction Materials and Systems, Chennai, India, 3 – 8 September 2017.
9. Ansa Varghese, Arya Hari, Kavya Somanath, Surya Bhaskaran and B. S. Dhanya, Influence of super plasticizers on M30 grade concrete, 4th International Conference on Modeling and Simulation in Civil Engineering (ICMSC 2017), TKMCE, Kollam
10. An Rose Paul, Dhanya B. S., James Joseph, Megha S., and Namitha K., “Comparison of mechanical and durability properties of steam and normal cured concrete”, Second International Conference On Advances in Concrete, Structural & Geotechnical Engineering, BITS Pilani, Pilani, February 26 – 28, 2018
11. R. Gettu, R.G. Pillai, J. Meena, A.S. Basavaraj, M. Santhanam and B.S. Dhanya, "Considerations of Sustainability in the Mixture Proportioning of Concrete for Strength and Durability", 2nd Intnl. Workshop on Durability and Sustainability of Concrete Structures (Moscow, Russia), 11 p. (2018); also ACI SP 326: Durability and Sustainability of Concrete Structures (DSCS-2018), American Concrete Institute Special Publication, Eds. V. Falikman, R. Realfonzo, L. Coppola, P. Hàjek and P. Riva, ISBN: 9781641950220, pp. 5.1-5.10 (2018)
12. B. S. Dhanya, Alan Verghese Ittyeipe, Akshay Rudhan, Anjaly Ajayan, and Malavika S., Effect of surface preparation on the corrosion resistance of Cement Polymer Composite (CPC) Coated Steel Reinforcement, Proceedings of the 3rd R.N. Raikar Memorial International Conference and Gettu-Kodur International Symposium, On Advances in Science and Technology of Concrete, 14-15 December 2018, Mumbai, India, Vol. III, pp. 218 – 223.
13. B. S. Dhanya, Manu Santhanam and Santhosh George Cheriyan, “Durability classifications for chloride exposure”, 2nd RILEM Spring convention and International conference on Sustainable Materials, Systems and Structures (SMSS2019), Rovinj, Istria, Croatia, 20 -22 March 2019.
14. Arya E. K., and B. S. Dhanya, Review on the corrosion of steel reinforcement in reinforced concrete structures and its mitigation through electro chemical techniques, Proceedings of the International conference on modelling and simulation in civil engineering, TKM College of Engineering, Kollam, Dec 2019, pp. 115.
15. Tiju Susan Thomas, Snehalatha P. S., Dhanya B. S., and Sunitha K. Nayar, White toppings for repair of existing pavements: Prospects and Research Challenges, Proceedings of the International conference on modelling and simulation in civil engineering, TKM College of Engineering, Kollam, Dec 2019, pp. 168.
16. Paul Ben Pulliattu, and B. S. Dhanya, Re-emphasising the need for proper curing in concrete, Proceedings of the International conference on modelling and simulation in civil engineering, TKM College of Engineering, Kollam, Dec 2019, pp. 117.
17. B. S. Dhanya, Bino I. Koshy, Jisha K. V., Aisu Jayamohanan, and Neethu Mathew, Evaluation of the mechanical performance of M25 grade recycled aggregate concrete, Proceedings of the International conference on modelling and simulation in civil engineering, TKM College of Engineering, Kollam, Dec 2019, pp. 120. Also in: IoP conference series: Earth & Environmental Science 491 (2020) 012034 (Scopus Indexed), Institute of Physics (IOP) publishers, Bristol UK.) doi:10.1088/1755-1315/491/1/012034
18. Sneha S. S., Karthika Soman, Prajith C., Aisswarya K. Davis and Dhanya B. S., Study of the mechanical and corrosion resistance properties of concrete, Proceedings of the International conference on modelling and simulation in civil engineering, TKM College of Engineering, Kollam, Dec 2019, pp. 119. Also in: IoP conference series : Earth & Environmental Science 491 (2020) 012033 (Scopus Indexed), Institute of Physics (IOP) publishers, Bristol UK.) doi:10.1088/1755-1315/491/1/012033
19. Arya E. K. and B. S. Dhanya, Corrosion control of reinforced concrete structures in construction industry: A review, Sixth Biennial International Conference on Emerging Trends in Engineering Science and Technology (ICETEST 2020), Government Engineering College, Thrissur, 17-19 December 2020 Also in IOP Conference Series: Materials Science and Engineering, 1114 012006
20. Amal G. Nair, Harikrishnan K. A., Aparna Anil Kumar, Sai Krishan R., Dhanya B. S. and Shiji P. V., Potential of BIM to detect possible clashes in a building construction, YUKTHI 2021, International conference on Emerging Trends in Engineering, Government Engineering College, Kozhikode, 24th to 26th September 2021.
Available at SSRN: https://ssrn.com/abstract=3979052
21. Sankaran V., Tiju Susan Thomas and B. S. Dhanya, A Study on the Influence of Interface Friction in Deflections and Stresses of Ultrathin Whitetopping Using Finite Element Analysis, YUKTHI 2021, International conference on Emerging Trends in Engineering, Government Engineering College, Kozhikode, 24th to 26th September 2021.
Available at SSRN: https://ssrn.com/abstract=3979067

22. Abitha A., Jesty C A, Siyad S, Vijay P C, Sreerekha Raj S , Dhanya B S, Feasibility assessment of rice straw ash as a supplementary cementitious material, International Conference on Material Science and Computational Engineering (ICMCE 2022), Kollam, 18 November 2022., also in Materials today proceedings, https://doi.org/10.1016/j.matpr.2023.01.165

National conferences
1. B. S. Dhanya and Seema K. Nayar, Performance analysis of brick industry in Kollam, FACE, National conference on Focusing on Advances in Civil Engineering, TKM College of Engineering, Kollam, Kerala, February, 2007, 25-29.
2. B. S. Dhanya and Seema K. Nayar, Environmental and social aspects of brick industry in Kollam, FACE08, 2nd national conference on Focusing on Advances in Civil Engineering, TKM College of Engineering, Kollam, Kerala, February, 2008, 505 – 510.
3. Athira Krishnan, K. S. Haritha, G. Sethulakshmi, Siju Simon and B. S. Dhanya, Development of pervious concrete for parking lot, Proceedings of the national conference ARICE 2016, Muthoot Institute of Technology and Sciences, Puthencruz, Ernakulam, pp. 44-49.
4. An Rose Paul, James Joseph, Megha S., Namitha K. and B. S. Dhanya “Comparison of normal and steam curing on mechanical and durability properties of concrete”, Kerala Science Congress, 2018.
5. Arya V. Nair, Neeraja S., Revathy V. V., Saranya P. V., Alan Verghese Ittyeipe, B. S. Dhanya and B. K. Bindhu, “ Durability of two different cementitious systems in organic and inorganic acidic environment”, Kerala Technological Science Congress, February, 2019.

M. Tech Thesis contest
1. Arbin Raj, B. S. Dhanya and J. M. Krishnan, Challenges in the measurement of resilient modulus for bituminous mixtures, M Tech thesis contest 2017, RIT, Kottayam (Paper presentation category, First prize)
2. Sijo M. Saji,and B. S. Dhanya M. Tech Thesis contest, 2018, RIT, Kottayam (Poster presentation category, First Prize)
International symposium
1. Akshay Rudhan, Alan Verghese Ittyeipe, Anjaly Ajayan, Malavika S., Dhanya B. S. “Study of the effect of surface preparation on the corrosion resistance of uncoated and cement polymer composite coated TMT steel reinforcement”, CORSYM, International Corrosion Prevention Symposium for Research Scholars, March 23 – 24, 2018, Chennai

Book Chapters
1. Manu Santhanam and B. S. Dhanya , Brief description of major deterioration phenomena and major transport mechanisms, , Chapter 3, Indian Concrete Institute Handbook on Concrete Durability
2. Manu Santhanam, V. K. Kulkarni and B. S. Dhanya, Durability Provisions, including exposure class definition in Indian and selected international standards (BIS, IRC, IRST), Chapter 5, Indian Concrete Institute Handbook on Concrete Durability
3. B. S. Dhanya, Radhakrishna G. Pillai, Sreepriya Rengaraju, Critical evaluation of test methods on durability Chapter 6, Indian Concrete Institute Handbook on Concrete Durability

R&D


1. Performance evaluation of concrete made with different types of fine aggregates TEQIP Phase II, RIT (Research seed money project)
PI – Dr. Dhanya B. S. 2, 00,000/- 12 months Completed
2. Development of Street furniture using self compacting concrete CERD Innovation Centre , RIT Kottayam PI – Dr. Dhanya B. S. 15,000/- 12 months Completed
3. Development of interlocking blocks using pervious concrete CERD Innovation Centre ,RIT Kottayam PI – Dr. Dhanya B. S. 15,000/- 12 months Completed
4. Study of the effect of surface preparation on the corrosion resistance of uncoated and cement polymer composite coated TMT steel reinforcement CERD, Research seed money project PI – Dr. Dhanya B. S. 2,00,000/- 24 months Completed
5. Durability of two different cementitious systems in organic and inorganic acidic environment CERD Students project scheme PI – Dr. Dhanya B. S. Co-PI – Dr. Bindhu B. K. 45,000/- 12 months Completed
6. Development of recycled aggregate concrete for the construction of various road elements Transportation Research Centre, Govt. of Kerala (Research grant) PI – Dr. Dhanya B. S. 19,14,000/- 36 months Completed
7. Evaluation of Sacrificial Anode Cathodic Protection (SACP) systems for reinforced concrete applications (Industry sponsored research project) Radhe Structorepair Pvt. Ltd., Representative India Business, Authorised distributor of Vector Corrosion Technologies, Canada PI – Dr. Radhakrishna G. Pillai, IIT Madras Co- PI – Dr. Dhanya B. S. Co-PI – Dr. Haji Sheik, BSAR Crescent University, Chennai 9,16,000/- 18 months On going
8. Assessment of the influence of curing compounds on mechanical and durability properties of concrete KSCSTE (Student project scheme) PI -Dr. Dhanya B. S. 10,000/- 12 months Completed
9. Study on the performance of Sacrificial anode protection systems for concrete structures with coated reinforcing steel AICTE (RPS-NDF Scheme) PI – Dr. Dhanya B. S., NDF Scholar – Ms. Arya E. K. 24,91,000/- Proposal submitted

Responsibilities


National level:
• Secretary of Indian Concrete Institute Technical Committee on Concrete Durability
• Contributing author to the Technical document on concrete durability by Indian Concrete Institute, document under preparation. Author of three chapters in this document
• A research work is initiated for the development of acceptance criteria for durability parameters by collaborating with many premier educational institutes and research labs. As a first step, a round robin testing was done at 9 different laboratories including 5 IITs (IIT Madras, IIT Bombay, IIT Chennai, IIT Bhuvaneshwar, IIT Guwahati), NIT Jalandhar, SERC, Madras, RMCMA, Mumbai and RIT, Kottayam. Co-ordinated the entire work and compiled the data. Outcome of this work is published in Indian Concrete Journal in July 2017
• Organising and scientific committee member, RILEM International Conference of Advances in Construction Materials and Systems, Chennai, 3rd to 8th September
University level:
• Member, Board of Studies (Architecture)
• Doctoral Committee Member
• Ph.D. Guidance
• External examiner, Ph. D. Comprehensive examination
• Question Paper Setting (KTU)
• Question Paper Scrutiny (KTU)
• External Examiner (M tech Viva)
Institute level:
• Lab in charge – Geo technical Engineering. Lab (2006 – 2009)
• Co-ordinator, Vastheya 2008
• Lab in charge – MT Lab II (Period 2009 – 2011; 2014 - till date)
 Established “Research Centre for Durability of Concrete Systems” at RIT, Kottayam which is the first exclusive facility in Kerala to assess durability of concrete.
 Set up facilities to assess durability parameters following international standards.
 Augmented the facilities available in the lab to strengthen the research facilities in the area of concrete technology
 Set up facilities to assess corrosion of steel reinforcement in RC structures
 Five Ph. D. scholars (1 in MG University and 4 in KTU) is attached to this lab
• Department level Co-ordinator – NBA Accreditation 2015
• Treasurer, Silver Jubilee Celebrations, RIT Kottayam, 2015 - 16
• Staff in charge – Civil Engineering association, 2016-17, 2017- 18
• Faculty advisor- 2017-2021 batch
• Co ordinator, Visiting faculty programme, 2016 till date
• Co-ordinator, Remedial classes, 2019 till date
• Member, Anti ragging committee, RIT Kottayam, 2016 -17.
• Member, Internal audit committee, RIT Kottayam, 2017 – 2019
• Member, Staff club, RIT, Kottayam, 2018 – 19
• Staff Welfare Committee Member
• Member, Innovation and Enterprenurship
• Member, Internal Quality Assurance Committee, RIT, Kottayam, 2019- till date
• Member, Academic committee member, TEQIP, RIT Kottayam, 2019- till date
• Consultant for mix design, structural design, structural stability evaluation, non- destructive tests for concrete
• Staff co ordinator, ICI students’ chapter, RIT (Took initiative to establish the same)
Additional responsibilities:
• Active consultant in concrete mix design works, Non-destructive testing, structural stability evaluation and structural design / scrutiny works for both public and private sector organisations
• Compilation of technical information to augment the technical content of Engineer’s diary, 2009, for Association of Engineers, Kerala
• Reviewer of International journals and conferences:
International Journals:
• Construction and Building Materials (Elsevier)
• Advances in cement research (ICE publication)
• Journal of materials in Civil Engineering (ASCE)
Conferences:
• NCTT 2016, CET Trivandrum
• RILEM International Conference of Advances in Construction Materials and Systems, Chennai, 3rd to 8th September 2017
• International Conference on Modelling and Simulation in Civil Engineering (ICMSC 2017), TKMCE, Kollam
• 3rd international conference on Materials mechanics and management, CET, 2017
• NCTT 2017, CET Trivandrum
• RAREST, SJCET Pala, 2018
• Kerala Technological Science Congress, 2019

Awards


• Indian concrete institute national award for best Ph.D. thesis in concrete for the year 2016
• Best paper in poster presentation – CORCON 2016
• ICI-Ultra Tech award for young concrete engineer – 2018
• Best paper award in the 3rd International conference on innovative trends in engineering for sustainability (ICITES 2023), Toc H Institute of Science and Technology, Ernakulam - 2023