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DTSTART;TZID=Europe/Rome:20240206T171500
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UID:31584-1707239700-1707244200@www.dica.polimi.it
SUMMARY:PhDTalks | Healing capacity of Ultra High Performance Concrete under sustained through crack tensile stresses and aggressive environments
DESCRIPTION:Il prossimo appuntamento con la serie di incontri PhDTalks si terrà Martedì 6 febbraio nell’aula Fassò (Edificio 4A)\, 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. \nLo speaker Xi Bin condurrà un seminario dal titolo “Healing capacity of Ultra High Performance Concrete under sustained through crack tensile stresses and aggressive environments”.  \nAl termine dell’evento sarà disponibile un piccolo rinfresco finanziato dal dipartimento. \nSarà possibile seguire la conferenza anche online al seguente link. \nAbstract \nThis study investigates the self-healing capabilities of Ultra-High Performance Concrete (UHPC) under the combined influence of mechanical and environmental factors. Specifically\, it delves into the long-term self-healing process in pre-cracked UHPC samples that endure continuous sustained tensile stresses across the cracks and are exposed to aggressive environmental conditions for one year. This study not only emphasizes that pre-cracked UHPC\, when exposed to both mechanical stresses and aggressive environments\, can maintain excellent durability and mechanical strength due to its self-healing effect but also lays the foundation for evaluating the self-healing potential of cement-based materials under conditions representative of real-world structural scenarios. \nSpeaker’s bio \nBin is a PhD candidate in the 36th cycle of SSGE at Politecnico di Milano. He holds a master’s degree in civil engineering from Shenzhen University\, China. His current research focuses on the realms of self-healing and durability within the context of fiber-reinforced concrete. Outside the academic sphere\, Bin is passionate about exploring new horizons. Traveling and hiking are his preferred avenues for relaxation and personal enrichment.
URL:https://www.dica.polimi.it/it/evento/phdtalks-healing-capacity-of-ultra-high-performance-concrete-under-sustained-through-crack-tensile-stresses-and-aggressive-environments/
CATEGORIES:PHD Life,Seminari e conferenze
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DTSTART;TZID=Europe/Rome:20240220T171500
DTEND;TZID=Europe/Rome:20240220T183000
DTSTAMP:20260510T203459
CREATED:20240215T160708Z
LAST-MODIFIED:20240215T160708Z
UID:31586-1708449300-1708453800@www.dica.polimi.it
SUMMARY:PhDTalks | Managing (micro-)pollutants contamination in integrated urban wastewater systems: risk assessment and mitigation strategies
DESCRIPTION:Il prossimo appuntamento con la serie di incontri PhDTalks si terrà Martedì 20 febbraio nell’aula Fassò (Edificio 4A)\, 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. \nLo speaker Jessica Ianes condurrà un seminario dal titolo “Managing (micro-)pollutants contamination in integrated urban wastewater systems: risk assessment and mitigation strategies”.  \nAl termine dell’evento sarà disponibile un piccolo rinfresco finanziato dal dipartimento. \nSarà possibile seguire la conferenza anche online al seguente link. \nAbstract \nOver the past few decades\, rapid growth of population\, economy\, and urbanization\, have posed significant challenges for the environment\, such as the deterioration of surface water and groundwater quality. Concurrently\, diverse user demands have determined the competition for clean water resources\, exacerbated by severe droughts caused by climate change. \nIn highly urbanized areas\, water can be used for different purposes\, discharging very different types of (micro-)pollutants into the sewer system or directly to surface water. In fact\, these systems are often combined and when rain events hit the city\, they can reach their capacity\, discharging untreated wastewater and stormwater directly into water bodies\, causing pollutants overload. Moreover\, wastewater treatment plants (WWTP) are currently designed to remove only conventional pollutants\, spreading micropollutants in the environment also in dry-weather. In this way\, different type of contaminants can reach surface water and move across different water sources and compartments. They can accumulate in groundwater and surface water\, where they can also be transferred due to crop irrigation. The complexity in contamination sources\, pathways\, and receptors make urban water management intricate. Correct and well-planned water management is crucial to avoid conflicts among different stakeholders and to limit the risk for the environment and human health. \nTo address these issues\, the present project aims at developing a comprehensive framework for assessing and managing (micro-)pollutants risks in urban water\, modeling their fate and transport across various water sources and compartments\, while also exploring suitable treatment technologies for wet-weather discharges and WWTP effluent. \nSpeaker’s bio \nJessica is a PhD student in Environmental and Infrastructure Engineering (37th cycle) at Politecnico di Milano. She has a Master of Science in Environmental and Land Planning Engineering obtained in 2021 at Politecnico di Milano. \nJessica works in the safeWATER research group and her research activity focuses on modelling fate and transport of micropollutants in urban water\, assessing the environmental risk and evaluating proper mitigation strategies. \nIn her free time she loves enjoying nature\, playing the piano\, and travelling.
URL:https://www.dica.polimi.it/it/evento/phdtalks-managing-micro-pollutants-contamination-in-integrated-urban-wastewater-systems-risk-assessment-and-mitigation-strategies/
CATEGORIES:PHD Life,Seminari e conferenze
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DTSTART;TZID=Europe/Rome:20240227T171500
DTEND;TZID=Europe/Rome:20240227T183000
DTSTAMP:20260510T203459
CREATED:20240222T093815Z
LAST-MODIFIED:20240222T093815Z
UID:31587-1709054100-1709058600@www.dica.polimi.it
SUMMARY:PhDTalks | A Mixed-dimensional solver for the geoelectrical analysis of highly resistive liners in landfills
DESCRIPTION:Il prossimo appuntamento con la serie di incontri PhDTalks si terrà Martedì 27 febbraio nell’aula Fassò (Edificio 4A)\, 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 molteplici progetti sviluppati nel nostro dipartimento. \nLo speaker Lorenzo Panzeri condurrà un seminario dal titolo “A Mixed-dimensional solver for the geoelectrical analysis of highly resistive liners in landfills”.  \nAl termine dell’evento sarà disponibile un piccolo rinfresco finanziato dal dipartimento. \nSarà possibile seguire la conferenza anche online al seguente link. \nAbstract \nThe analysis of the condition of the liner beneath municipal waste landfills is of considerable importance to prevent the spread of pollutants into the underlying layers down to the groundwater zone. Being at depths of several tens of metres in an uncertain location\, it is crucial to find an effective method for its identification. \nDirect current (DC) methods\, in particular ERT (Electric Resistivity Tomography)\, exploit the conductive and resistive properties of the materials\, permitting the identification of both the location of the highly resistive HDPE (High density polyethylene) membrane and the possible diffusion area of the pollutant\, which\, due to its high salt content\, is highly conductive.  A new mixed-dimensional Finite volume numerical model is developing for solving the forward and inverse problems in DC resistivity surveys. \nSpeaker’s bio \nLorenzo is a PhD Candidate in Environmental and Infrastructure Engineering (37° cycle) at Politecnico di Milano with an interdisciplinary scholarship between the Department of Civil and Envirnomental Engineering and the Department of Mathematics. Lorenzo has a Master of Science in Civil Engineering For Risk Mitigation obtained in 2019. In his free time\, Lorenzo loves playing football and doing trail running.
URL:https://www.dica.polimi.it/it/evento/phdtalks-a-mixed-dimensional-solver-for-the-geoelectrical-analysis-of-highly-resistive-liners-in-landfills/
CATEGORIES:PHD Life,Seminari e conferenze
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