DEPARTMENTS
Dr. A. S. Sajith
Dr. A. S. Sajith

Professor

Office Address:

Associate Professor, Department of Civil Engineering. NITC Calicut - 673601

Contact no:

0495-2286211

Home Address:

"Karthika", 17/54 C, Celebrity Hill Villa, Kariyakulangara, West Manassery, Calicut 673 602

  • PhD,Structural Engineering, National Institute of Technology Calicut.

  • M.E.Structural Engineering, PSG College of Technology, Coimbatore

  • B.Tech.Civil Engineering, College of Engineering, Trivandrum.

  • Educational Qualifications

    • PhD,Structural Engineering, National Institute of Technology Calicut.

    • M.E.Structural Engineering, PSG College of Technology, Coimbatore

    • B.Tech.Civil Engineering, College of Engineering, Trivandrum.

    Journals

    1. Sajith A.S, T.M. Madhavan Pillai, Mohammed Ameen, Kuttichan M Kallada, An efficient design of a tuned mass damper in controlling structural response of flexible structures(2009) , SERC Journal of Structural Engineering, Vol. 35, No.5,  pp339 - 343

    2. Sajith A.S, T.M. Madhavan Pillai, Mohammed Ameen, Sobin Thomas (2013), “Performance of vertical cantilever with tip mass as mtmds in controlling response of structures for ground motions”, SERC Journal of Structural Engineering,Vol.40, No.4, 411 – 419.

    3. Abey E T, Somasundaran T P and Sajith A S: A Critical Evaluation of Indian Codes on Seismic Analysis of Concrete Bridges (2014), Journal of Mechanical and Civil Engineering, IOSR, pp. 36-42, e-ISSN: 2278-1684

    4. Abey E T, Somasundaran T P and Sajith A S: Significance of Elastomeric Bearing on Seismic Response Reduction in Bridges (2015) Advances in Structural Engineering, Springer India. DOI 10.1007/978-81-322-2193-7-103

    5. Abey E T, Somasundaran T P and Sajith A S: Abutment Modelling and its Effect in Seismic Response of Bridges (2015), International Journal of Earth Sciences and Engineering (Accepted)

    6. Athulya Das A S and  Sajith A S:Siesmic performance of RC structural walls with slits: Analytical study (2016), International Journal of Engineering Research in Mechanical and Civil Engineering (IJERMCE).

    7. Ciby Jacob Cherian,T.M.Madhavan Pillai and Sajith A.S.: State of the art of Non-linear devices and strategies for vibration control (2017), Applied Mechanics and Materials, Vol. 857, pp 219-224.

    8. Abey E T, Somasundaran T P and Sajith A S: A Study on Seismic Performance Enhancement in Bridges based on Factorial Analysis (2017), Earthquake Engineering and Engineering Vibration, Springer. Vol. 16 No.1, pp 181-198.

    9. Abey E T, Somasundaran T P and Sajith A S: Can Irregular bridges designed as per Indian Standards achieve seismic regularity?(2017) Advances in Computational Design, Vol.2, No.1, pp15-28.

    10. Minu Ann Peter, Sajith A.S.,Praveen Nagarajan: A review of diagrid systems for lateral load resistance of structures (2017), Applied Mechanics and Materials, ISSN:1662-7482, Vol.857,pp 19-23.

    11. Minu Ann Peter, Sajith A.S. and Praveen Nagarajan, “Comparison of the performance of concrete-filled steel tubular and hollow steel diagrid buildings”, IOP Conference Series: Materials Science and Engineering, 2018, vol. 330, pp. 1-6.

    12. Ciby Jacob Cherian, T.M.Madhavan Pillai, Sajith A.S.,”Influence of intensity parameters of earthquake on response of reinforced concrete structures"  IOP Conference Series: Materials Science and Engineering, 2018, vol. 330 pp. .

     

    13. C. G. Krishnanunni, R. Sethu Raj,Deepak Nandan, C. K. Midhun, A. S. Sajith, Mohammed Ameen: Sensitivity‐based damage detection algorithm for structures using vibration data (2018), Journal of Civil Structural Health Monitoring, https://doi.org/10.1007/s13349-018-0317-0

     

    14. V.P.Premchand,M.D.Narayanan, A.S.Sajith: A new cluster based harmonic balance aided optimization procedure with application to nonlinear vibration absorber (2019), Journal of Computational and Nonlinear Dynamics, ASME, published online 13 May 2019, Vol. 14 / 071007-1.

    15. J. Chithra, Praveen Nagarajan, A.S.Sajith: Critical review of design of slab bridges as per IRC 112:2011, SERC Journal of Structural Engineering, Vol. 47, No. 1, April - May 2020 pp. 13-23

    16. Ciby Jabcob Cherian, T.M. Madhavan Pillai, A.S. Sajith: Response control of shear building model for ground motions using tuned mass damper and track nonlinear energy sink - an experimental study (2020), SERC Journal of Structural Engineering, Vol. 47, No. 4, October - November 2020 pp. 308-318

    17. Minu Ann Peter, A.S. Sajith, Praveen Nagarajan: Experimental and numerical investigations on response of a conventional framed tubular structure and a diagrid structure for earthquake ground motions (2021), SERC Journal of Structural Engineering, Vol. 47, No. 6, February - March 2021 pp. 508-518

    Conferences

    National

    1. Sajith, A.S., Pillai. T.M.M., and Ameen, M., Structural Control using Mass Dampers--A Review, Proceedings of National Conference on Recent Developments in Materials and Structures (REDEMAT 2004), Ed. N.Ganesan and A.P. Shashikala, 73-80, Dec 2004.

    2. Roshina Babu& A.S Sajith, Rocking response of rigid bodies under base acceleratons, Proceedings of the third CUSATNational conference on Recent Advances in Civil Engineering, RACE 2008, December 4-6, 2008(Received the best paper award in the theme Structural Engineering).

    3. Abey E T, Somasundaran T P and Sajith A S: Influence of Skewness on Global Seismic Response of Multi-Span Box-Girder Bridges, National Conference on Technological Innovations for Sustainable Infrastructure, NITC, 358-365, April 2015.

    International

    1. Brijith R, A P Shashikala, Sajith A.S, Lino H, Srinivasan C, Response control of multi-legged articulated tower using tuned mass damper, Page No.68, Book of Abstracts, International conference on Advances in Materials and Techniques for Infrastructure Development (AMTID 2011), CED, NIT Calicut, Kerala, India, 28-30 September 2011.

    2. Sajith, A.S., Pillai. T.M.M., and Ameen, M, A simple method for the prediction of design dimensions of a rectangular TLSD, Proceedings of the International conference – Earthquake Analysis and Design of Structures, EQADS 2011,pp. 277-285, December 1-3, 2011,PSG Tech, Coimbatore,India.

    3. Abey E T, Somasundaran T P and Sajith A S: A Critical Evaluation of Indian Codes on Seismic Analysis of Concrete Bridges, 2nd International Conference on Innovations in Civil Engineering, SCMS Cochin, May 2014

    4. Abey E T, Somasundaran T P and Sajith A S: Significance of Elastomeric Bearing on Seismic Response Reduction in Bridges, 9th Structural Engineering Convention, IIT Delhi, Dec. 2014

    5. Abey E T, Somasundaran T P and Sajith A S: Assessment of Slenderness Ratio for PSC Box-Girder Bridge Piers based on Functional Importance, Proceedings of International Conference on Theoretical, Applied, Computational and Experimental Mechanics, ICTACEM, IIT Kharagpur, 278, Dec. 2014

    6. Abey E T, Somasundaran T P and Sajith A S: Seismic Design Recommendations for Skewed Multi-Span Concrete Box-Girder Bridges, Proceedings of International Conference on Sustainable Energy and Built Environment, ASCE-ICES, VIT, 18-23, March 2015.

    7. Abey E T, Somasundaran T P and Sajith A S: Modal Analysis and its Significance in Bridge Design, 2nd International Conference on Emerging Trends in Technology and Applied Sciences (ICETTAS'15), Saintgits, 3-10,  April 2015. ISBN 978-93-84743-79-6

    8. Abey E T, Somasundaran T P and Sajith A S: Selection of best suited structural system for bridges based on factorial analysis, ICMSC, TKM College of Engineering, Dec. 2015.

    9. Premchand V.P., M.D. Narayanan, A.S. Sajith: Parameter analysis and estimation of belt friction systems, Proceedings of the 1st International and 18th ISME Conference ISME 18, NIT Warangal, 23rd – 25th February 2017.

    10. Premchand V P, Narayanan M D, Sajith A S , Parameter estimation and analysis of vibration absorbers with nonlinear spring .”National conference on Applied Nonlinear Dynamics“ , NIT Warangal December 21-23 2017

     

    11. P. Sathish, Sajith A.S.: Study of offshore jacket platform attached with tuned liquid column gas damper, Proceedings of the ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering-OMAE2017, Trohdheim, Norway, June 25-30, 2017.

    12. Minu Ann Peter, Sajith A.S. and Praveen Nagarajan, “Studies on the effect of shear link devices for seismic energy dissipation”, International Conference on Recent Advances in Materials and Manufacturing Technologies: Challenges and Opportunities (ICRAMMT - 2018), MLRITM, Hyderabad

    13. .Premchand V.P., M. D. Narayanan and A. S. Sajith.“Cluster based algorithm applied in design of stock bridge dampers, with experimental validations ”, Proceedngs of INCAM 2019 Conference, 3-5 July 2019, IISc Bangalore.

    14. Minu Ann Peter, Sajith A.S. and Praveen Nagarajan, “Comparative analysis of the performance of concrete-filled steel tubular and steel diagrid buildings”, Second International Conference on Structural Integrity, IIT Madras.

    TEQIP Coordinator

    Member, Deprtment Structural Consultancy Group

    List of M.Tech Theses guided

    1. Studies on effectiveness of tuned mass dampers and tuned liquid dampers in controlling structural response, May 2007.
    2. Studies on Rocking response of rigid bodies under base accelerations, May 2008
    3. Active control of structures using Tuned Mass Dampers, May 2008
    4. Structural control of flexible structures using multiple tuned mass dampers, May 2008
    5. Studies on behavior of RC framed structures with and without infill, May 2009
    6. Tuned liquid dampers for structural control – a comprehensive study, June 2009
    7. Modeling of friction pendulum base isolators and their behavioral studies, May 2010
    8. Equivalent tuned mass damper model for tuned liquid column and sloshing dampers, May 2010
    9. Investigation of the effectiveness of the TMD on base isolated structures, May 2011
    10. Response control of multi-legged articulated tower using tuned mass damper, May 2011
    11. Investigations on Response mitigation of structures using blocking floors, May 2011
    12. Performance based seismic design of steel moment resisting frames, May 2012
    13. Effectiveness of tuned liquid column dampers in response mitigation of offshore jacket structures, May 2012
    14. Response of tension leg platforms under directional waves, May 2012
    15. A comprehensive study on the seismic performance behavior of RC buildings
    16. Studies on performance of non linear DVA for response mitigation of structures subjected to ground motions
    17. Control of earthquake induced vibrations of RC buildings using tuned mass damper
    18. Direct displacement based design of Reinforced Concrete Structures
    19. Structural Control using Tuned mass dampers and their varied applications.
    20. Code comparison and evaluation of ductility in pre-stressed concrete bridge piers.
    21. Vibration control of steel jacket structures with damping isolation systems
    22. Performance analysis of multi-storey buildings with floating column subjected to seismic loads
    23. Performance assessment of outrigger structural system for tall buildings
    24. Response control of offshore jacket platform using tuned liquid column gas dampers
    25. Studies on the behavior and application of CFST columns in structures
    26. Study on the seismic performance evaluation of jacket platforms and effectiveness of buckling restraint braces
    27. Performance assessment of CFST diagrid structural systems

    1. Dr. Abey E. Thomas, Thesis title: Development of performance based design strategies and guidelines for seismic resistance of bridges, Degree awarded in October 2016, Guides: Dr. T.P. Somasundaran and Dr. Sajith A.S.

    2. Dr Premchand V.P. Thesis title: Development of a cluster based algorithm in design optimisation of nonlinear dynamic systems, Degree awarded in October 2020. Guides: Dr M. D. Narayanan and Dr Sajith A.S.

    3. Mr. Ciby Jacob Cherian, Guides: Dr T.M.Madhavan Pillai and Dr. Sajith A.S.

    4. Ms. Minu Ann Peter, Guides: Dr. Sajith A.S. and Dr. Praveen Nagarajan

    5. Ms. J. Chithra, Guides : Dr. Praveen Nagarajan and Dr. Sajith A.S.

    6. Mr Bennet A Ipe, Guide: Dr Sajith A.S.

    7. Ms Geethu Elsa Thomas, Guides: Dr P.V. Indira and Dr Sajith A.S.

    8. Mr. Azeem P.. Guides : Dr Sajith A.S. and Dr P.V. Indira

    9. Ms Fasna P., Guide: Dr Sajith A.S.

    • Engineering Mechanics
    • Engineering Graphics
    • Advanced Structural Mechanics
    • Strength of Materials
    • Structural Analysis
    • Advanced Concrete Design
    • Structural Dynamics
    • Theory of Plates and Shells
    • Earthquake analysis and Design of Structures
    • Structural Optimisation

    Worked as a Structural Engineer in Alexander&Associates consulting Engineers & Architects , Trivandrum

    Actively participating in the Consultancy Activities of the Department