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N. SUBRAMANIAN FNAE, FASCE, FIE is an award-winning author, consultant, researcher, and
mentor, currently based in Maryland, USA, with over 47 years of experience in Industry (including consultancy,
research, and teaching). A doctorate from the Indian Institute of Technology (IIT) Madras, he also worked
with the Technical University Berlin and the University of Bundeswehr, Munich for 2 years as Alexander von
Humboldt Fellow. He is the author of 26 books, including the famous books on Design of Steel Structures,
Design of RC Structures, Principles of Space Structures, & Building Materials, Testing and Sustainability, and
320 technical papers. He served as a past vice president of Indian concrete institute (ICI) and the Association
of consulting civil engineers (India) [ACCE(I)]. He is a recipient of several awards including the 2024 Edmund
Friedman Professional Recognition Award of the ASCE, the ICI - L&T Life-Time Achievement Award of the
ICI (2013), Tamilnadu scientist award (2001), Gourav Award of the ACCE(I) (2021), and the ACCE(I)-Nagadi
best book award for three of his books (2000, 2011 and 2013). He has also been in the editorial board/review
committee of several Indian and international journals, including the ICJ. Email: drnsmani@gmail.com

Cite this article: N. Subramanian. (2026). “Revolutionizing ready-mix concrete: the end of the 90 minute rule”, The Indian Concrete
Journal, Vol. 100, No. 2, pp. 7-11.

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