Abstract
An exponential rise in population along with uncontrolled and unplanned urbanization exposed to earthquakes reeks a plenitude of hazard in terms of life and property. Effects, mechanics, and impact of an earthquake in terms of ground shaking, site effects, liquefaction, and landslides had been broadly covered in the past, and the recent developments have catered profound understanding of earthquakes. Our recent studies on ground motion attenuation characteristics, comprehensive seismic hazard analyses, site effects, liquefaction behaviour, seismic microzonation, ground motion analyses, joint time–frequency analysis-based ground motion synthesis, etc., have largely contributed to geotechnical earthquake engineering. Our detailed experimental and numerical works on liquefaction have improved the understanding of liquefaction of sands. Installation of ground motion sensors and monitoring of earthquakes have further supplemented geotechnical earthquake engineering research in the country. Recent surveys on earthquake preparedness and readiness indices have pointed out the urgent need for general awareness, and an action plan towards mitigating and managing the hazard due to earthquakes. This paper discusses the Quintessence of 25 years of the author’s contribution to the field of Geotechnical Earthquake Engineering.
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Acknowledgment
I would like to acknowledge and thank all my Ph.D. students for their untiring efforts towards bringing out the best in them, and contributing to my vision and philosophy. I would like to acknowledge the contributions from Dr. Deepankar Choudhury, Dr. Dinesh S. V., Dr. Govindaraju L., Dr. Vinod J. S., Dr. Pijush Samui, Dr. Anbazhagan P., Dr. K. S. Vipin, Dr. Abhishek Kumar, Dr. Sreevalsa Kolathayar, Dr. Naveen James, Dr. Arjun Sil, Dr. Deendayal Rathod, Dr. Bala Reddy Muthanna, Dr. Vivek P., Dr. Monalisha Nayak and Mr. Ramkrishnan R. I would like to acknowledge the help received from Mr. Ramkrishnan R. and Dr. Sreevalsa Kolathayar in preparing this lecture and thank them. I extend my warm gratitude to all the funding agencies who have financially supported my research works so far and all the colleagues who worked with me on this topic from India and abroad. I would like to thank IGS for awarding me the IGS- Kueckelmann award in 2015 and also selecting me for delivering this annual lecture in 2020. I thank the Indian Society of Earthquake Technology (ISET) for their continuous support. I would further like to thank everyone who has supported and submitted their papers to the forthcoming 7th International Conference on Recent Advances in Geotechnical Earthquake Engineering (ICRAGEE).
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Sitharam, T. The Quintessence of 25 Years of Our Contributions to Geotechnical Earthquake Engineering. Indian Geotech J 51, 3–49 (2021). https://doi.org/10.1007/s40098-020-00465-9
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DOI: https://doi.org/10.1007/s40098-020-00465-9