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DTSTART;TZID=Europe/Rome:20230718T143000
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DTSTAMP:20260513T103333
CREATED:20230627T082202Z
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UID:31555-1689690600-1689699600@www.dica.polimi.it
SUMMARY:Shape Memory Alloy (SMA)-based Seismically Resilient Civil Infrastructure
DESCRIPTION:Martedì 18 Luglio si svolgerà presso l’Aula Magna (Edificio 1 – piazza Leonardo da Vinci 32) \, un seminario dal titolo “Shape Memory Alloy (SMA)-based Seismically Resilient Civil Infrastructure” tenuto da Shahria Alam\, Professore di Ingegneria Civile presso l’University of British Columbia (UBC). \nAbstract \nShape memory alloy (SMA) is a special kind of material that can undergo large deformations and return to its undeformed shape through stress removal (superelasticity) or heating (shape memory effect). Its distinct thermomechanical properties and flag-shaped hysteresis make SMA an ideal contender for the development of various novel and resilient structural components against seismic hazards. Different types of SMAs are available in the market (e.g.\, Ni-Ti\, Cu- and Fe-based SMAs) in various forms (e.g.\, wires\, round bars\, plates\, cables\, etc). This presentation will review selected past efforts that have contributed to the enhancement of seismic resilience for buildings and bridges by utilizing SMAs in beam-column connections\, bracings\, dampers/isolators\, etc\, and outline some of the technical and non-technical issues that need to be addressed in the future. Although the high cost of SMAs is still limiting their wide use\, research investigating their production and processing will make them more cost-competitive. It is expected that SMAs will emerge as an essential material in the construction industry in the near future to build more resilient civil infrastructure. \nSpeaker’s biosketch \nDr. Shahria Alam is a Professor of Civil Engineering and the Tier 1 Principal’s Research Chair in Resilient & Green Infrastructure in the School of Engineering at The University of British Columbia (UBC)’s Okanagan campus. He is serving as the Director of the Green Construction Research & Training Center (GCRTC) at UBC. Dr. Alam is the Vice President (Technical Programs) of the Canadian Society for Civil Engineering (CSCE). Previously\, he served as the Chair of the Engineering Mechanics and Materials Division of the Canadian Society for Civil Engineering (CSCE) from 2017 to 2023. He received his PhD in Civil/Structural Engineering from Western University in 2008. His research interests include smart and recycled materials and their structural engineering applications. He has published about 400 peer-reviewed articles in these areas. He is the recipient of many national and international awards including three best paper awards. Dr. Alam serves as an Associate Editor of ASCE’s Journal of Bridge Engineering and Journal of Materials in Civil Engineering\, and Engineering Structures of Elsevier. He is also serving in various code committees and currently serving as the Chair of the ASCE-ACI 441 Reinforced Concrete Column Committee.
URL:https://www.dica.polimi.it/it/evento/shape-memory-alloy-sma-based-seismically-resilient-civil-infrastructure/
CATEGORIES:Seminari e conferenze
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DTSTART;TZID=Europe/Rome:20230718T171500
DTEND;TZID=Europe/Rome:20230718T183000
DTSTAMP:20260513T103333
CREATED:20230711T084305Z
LAST-MODIFIED:20230711T084305Z
UID:31558-1689700500-1689705000@www.dica.polimi.it
SUMMARY:PhDTalks | Sediment transport monitoring and Smart-Sed\, a new sediment erosion and transport model
DESCRIPTION:Il prossimo appuntamento con la serie di incontri PhDTalks si terrà Martedì 18 Luglio nell’aula 2.1.3 (Edificio 2)\, dalle 17:15 alle 18:30 CET. \nPhDTalks è una serie di seminari e discussioni tra dottorandi. Gli eventi hanno lo scopo di fornire un luogo dove creare un network tra dottorandi ed entrare in contatto con i molti progetti sviluppati nel nostro dipartimento. \nLa speaker Monica Corti condurrà un seminario dal titolo “Sediment transport monitoring and Smart-Sed\, a new sediment erosion and transport model”.  \nAl termine dell’evento sarà disponibile un piccolo rinfresco finanziato dal dipartimento. \nSarà possibile seguire la conferenza anche online al seguente link. \nAbstract: \nThe development of smart strategies for geo-hazard management in urban areas has lately become crucial in relation to the higher occurrence of extreme events\, expected as a consequence of climate change. Therefore\, the engineering geology research group of Politecnico di Milano has recently developed a new sediment erosion and transport model\, called SMART-SED.\nThe advantages of SMART-SED with respect to other similar models are the automatic detection of the drainage zones\, the statistical downscaling of soil granulometry input maps and the evaluation of the factor of safety at catchment scale. Moreover\, the input data required are few and they are usually open data.\nAfter studies on sediment transport on a mountain catchment located near the Lecco campus of Politecnico\, the model was successfully calibrated and validated\, given the availability of field data over time. Then\, different applications were successfully tested\, as the dam filling evaluation in catchments characterized by different bedrocks in the Italian Alps and in the Apennines. In addition\, the back-analysis of some well-known Italian floods and debris flows events was accomplished\, considering as input the relative rainfall data\, and a simulation of a climate change scenario from the General Circulation Model was performed to understand possible future hazard scenarios.\nA general good performance of the model was observed also for the identification of the unstable slopes and of the flooded areas\, based on comparison with the Italian landslides inventory and with Sentinel Hub maps. Finally\, the simulation of the climate change scenario show an increase of the magnitude of solid and water discharge that has to be taken into account for the adaptation of the actual rainfall thresholds to the future rainfall regimes.\nThe proof of the reliability of SMART-SED results is considered important for the development of a complete hydrological model that can represent an innovative tool for urban planning and risk mitigation in a climate change scenario. \nSpeaker’s bio: \nMonica graduated in Geological Sciences and Technologies at University of Milano-Bicocca in 2019. She has collaborated with Politecnico di Milano working on topics related to engineering geology since 2019\, and she is currently enrolled in Environmental and Infrastructure Engineering PhD program (37° cycle) at the Department of Civil and Environmental Engineering of Politecnico di Milano. Her research deals with shallow processes related to sediment erosion and transport. \nIn her free time\, Monica enjoys hiking and travelling.
URL:https://www.dica.polimi.it/it/evento/phdtalks-sediment-transport-monitoring-and-smart-sed-a-new-sediment-erosion-and-transport-model/
CATEGORIES:PHD Life,Seminari e conferenze
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