Sunday, February 24, 2019
Dr J D Bapat delivered a talk on "Durability of Concrete" on 21 February, the Foundation Day of Indian Concrete Institute (ICI), Pune Centre. There were around 140 participants.
The talk covered the following aspects:
Strength and durability aspects of concrete, with mineral admixtures were presented. Aspects responsible for improvement in durability, such as interfacial transition zone (ITZ), permeability reduction, reduced temperature rise, long-term strength improvement were discussed. Importance of curing was be stressed. Focus was on durability of concrete with respect to resistance towards carbonation, alkali-aggregate reaction (AAR), chloride attack (corrosion), external sulphate attack, delayed ettringite formation (DEF). Mention was also be made of the relevant testing methods, such as carbonation depth measurement, accelerated mortar bar test (AMBT) for alkali aggregate reaction, rapid chloride permeability test (RCPT) for corrosion.
The lecture was followed by highly participative question-answer session for about 45 minutes.
Monday, December 10, 2018
Strength and Durability of Concrete for Long-Life Structures: On 7-8 December 2018, I participated and presented a paper on this subject, at a National Seminar, CEMCON, organised by Indian Concrete Institute, Pune. The theme of the Seminar was "Defect Free Construction: Emerging Technologies & Materials".
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Monday, September 17, 2018
The summit was organised at Addis Ababa, Ethiopia, on 1-2 August 2018. The main organisers were The iCapital, Adama Science and Technology University and Ethiopian Cement Producers Association. The venue was United Nations Conference Center, Addis Ababa. Besides the technical presentations by noted experts on the subject, interesting group discussions on the subjects of national interest were also organised.
I made a presentation and submitted a technical paper on the following subject:
"Durable and Sustainable Concrete with Mineral Admixtures"