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DTSTART;TZID=America/New_York:20241106T170000
DTEND;TZID=America/New_York:20241106T180000
DTSTAMP:20260421T090843
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UID:86225-1730912400-1730916000@c2smart.engineering.nyu.edu
SUMMARY:Webinar: Tension Stiffening Related to Cracking and Deflection of Reinforced Concrete
DESCRIPTION:Hardy Cross once wrote that “strength is essential and otherwise unimportant” to emphasize it makes little difference what other attributes a structure has if it is not sufficiently strong. Looking at this from a different perspective one could say that “strength is essential and otherwise unimportant … when serviceability governs” to ensure the structure performs adequately under the day-to-day service conditions once we know the structure has adequate strength. In fact\, certain types of structures such as elevated slabs and fiber reinforced polymer (FRP) reinforced concrete members are often stronger than needed once serviceability requirements are satisfied\, and in these types of cases the structure is designed for serviceability first and then checked for strength. Hence\, safety and serviceability related to cracking and deflection play an important role in the design of concrete structures. \nThis presentation is focused on deflection of reinforced concrete. The role of cracking\, tension stiffening and shrinkage in understanding deflection behavior of reinforced concrete is explored. In particular\, emphasis is placed on the pitfalls of ignoring the concrete shrinkage. Rationale and justification are provided for the recent adoption by most codes in North America of a new approach for the effective member stiffness used to calculate deflection. Work is presently underway with colleagues from Rutgers to extend this approach to prestressed concrete. \nPresented by Peter H. Bischoff\, Department of Civil Engineering\, University of New Brunswick\, Fredericton\, NB\, Canada \nPeter H. Bischoff is an Honorary Research Professor in the Department of Civil Engineering at the University of New Brunswick in Fredericton\, New Brunswick\, Canada\, where he has contributed to teaching and research in reinforced and prestressed concrete. He is a fellow of the American Concrete Institute (ACI) and Canadian Society for Civil Engineering (CSCE) and has served on numerous ACI Committees during his career. Dr. Bischoff is a recognized expert in serviceability of concrete structures related to deflection and has received several awards for work in this area. He has also been involved in development of a design code for fiber reinforced concrete (FRC) and UHPC that has been implemented into the Canadian Highway Bridge Design Code S6.
URL:https://c2smart.engineering.nyu.edu/event/webinar-tension-stiffening-related-to-cracking-and-deflection-of-reinforced-concrete/
CATEGORIES:Webinars
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DTSTART;TZID=America/New_York:20241108T103000
DTEND;TZID=America/New_York:20241108T113000
DTSTAMP:20260421T090843
CREATED:20241024T202005Z
LAST-MODIFIED:20241028T170122Z
UID:86306-1731061800-1731065400@c2smart.engineering.nyu.edu
SUMMARY:Webinar: Bridging the Gap: Enhancing Infrastructure Safety with Robust Vibration-based Monitoring
DESCRIPTION:Abstract: The idea that the majority of bridges have reached the end of their service life has become widely accepted. The need for continuous monitoring of a large number of structures has become both a duty and a burden for administrations and operators. While technological advancements enable the acquisition of numerous structural parameters\, effectively harnessing the vast amount of data generated is not a straightforward task. Therefore\, an automated tool that can conduct end-to-end analysis with minimal effort and cost is crucial. The presented solution is applied to a monumental reinforced concrete arch bridge\, and instrumented with tailored monitoring system\, from sensors to the cloud-based dashboard. Modal parameters such as vibration modes\, modal shapes\, and damping are determined using the Operational Modal Analysis (OMA) algorithm\, specifically 2 nd order blind identification\, in an automated process. The analysis is performed through robust software for automatic modal identification\, providing high quality results purified by any environmental effects. Finally\, by enhancing the potential of the cloud for measurement data storage\, the implementation of advanced data management tools is being considered as interesting emerging future prospects. \nBio: Giacomo Imposa is a structural engineer with a PhD in Structural Health Monitoring (SHM) from Iuav University of Venice\, Italy\, specializing in dynamic identification of masonry structures and bridges. His academic pursuits have primarily unfolded in Italy\, with a notable stint in Portugal\, in Guimaraes\, where he was hosted by Prof. Lourenco\, the most important expert in the world regarding Heritage buildings. At Kistler\, since January\, Giacomo has been globally engaged in advancing new bridge-related applications concerning structural monitoring in his capacity as a business developer. His responsibilities encompass the entire measurement chain\, spanning from sensors to data\, encapsulated through bridge reporting.
URL:https://c2smart.engineering.nyu.edu/event/webinar-bridging-the-gap-enhancing-infrastructure-safety-with-robust-vibration-based-monitoring/
CATEGORIES:Webinars
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BEGIN:VEVENT
DTSTART;TZID=America/New_York:20241108T130000
DTEND;TZID=America/New_York:20241108T140000
DTSTAMP:20260421T090843
CREATED:20241007T153043Z
LAST-MODIFIED:20241108T174728Z
UID:86128-1731070800-1731074400@c2smart.engineering.nyu.edu
SUMMARY:Student Learning Hub: Online Optimization Meets Urban Transportation
DESCRIPTION:Instructor: Tao Li\, New York University \nBeginner level: No prior experience required. Basic optimization knowledge would be helpful but not required. \nDescription: Urban transportation networks are complex and dynamic\, and as a result\, offline planning alone may not ensure effective real-time management. Therefore\, this course introduces online optimization methods with a focus on transportation applications. We’ll start with gradient descent in conventional convex optimization\, move to online gradient descent\, and briefly explore multi-agent online learning and associated equilibrium convergence. We’ll also discuss challenges in deploying online optimization in urban transportation.
URL:https://c2smart.engineering.nyu.edu/event/student-learning-hub-online-optimization-meets-urban-transportation/
CATEGORIES:Student Events,Webinars
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