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X-WR-CALNAME:Faculty of Science and Technology | University of Macau
X-ORIGINAL-URL:https://www.fst.um.edu.mo
X-WR-CALDESC:Events for Faculty of Science and Technology | University of Macau
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TZID:Asia/Macau
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DTSTART:20150101T000000
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BEGIN:VEVENT
DTSTART;TZID=Asia/Macau:20151020T160000
DTEND;TZID=Asia/Macau:20151020T170000
DTSTAMP:20260614T194110
CREATED:20151019T040045Z
LAST-MODIFIED:20251125T032020Z
UID:16319-1445356800-1445360400@www.fst.um.edu.mo
SUMMARY:Monitoring Soil Deformation Using Distributed Fiber Optic Sensing Technology
DESCRIPTION:Speaker\nProf. Hong-Hu ZHU\nAssociate Professor\, Engineering Geology and Geotechnics\nNanjing University\, China\nAssociate Director\nSuzhou Key Laboratory of Distributed Sensing & Monitoring Technology of Civil Infrastructures \nAbstract\nSince the invention of the first fiber optic sensor (FOS) in the late 1970s\, various quasi- and fully-distributed monitoring technologies have emerged to date. Compared with conventional sensors\, distributed FOSs have some inherent advantages such as immunity to electromagnetic interference\, insensitivity to corrosion\, high precision and tiny size. Recently\, these sensors have been adopted to monitor strains or displacements of a variety of geotechnical structures\, such as foundations\, slopes\, tunnels\, and dams. These pilot case studies have greatly extended the real-world applications of these sensors\, and have preliminarily verified their capability in monitoring soil deformation. In this presentation\, the working principle of the distributed FOS technologies will be presented briefly. The recent advances and applications of distributed FOSs in soil deformation monitoring will be introduced. Finally\, some key research topics\, such as in-depth analysis of real-time monitoring data\, performance evaluation of soil-embedded distributed FOSs\, and field implementation of distributed FOS systems\, will be discussed in detail. \nBiography\nHong-Hu Zhu is an associate professor of engineering geology and geotechnics at Nanjing University\, China\, and the associate director of Suzhou Key Laboratory of Distributed Sensing & Monitoring Technology of Civil Infrastructures. He got the BEng degree in civil engineering from Zhejiang University in 2002 and MSc in engineering mechanics from Jinan University in 2005. In 2009\, he graduated from The Hong Kong Polytechnic University and obtained his PhD degree in geotechnical engineering under the supervision of Prof. Jian-Hua Yin. From 2008 to 2010\, he worked as research assistant\, research associate\, and post-doctoral fellow in The Hong Kong Polytechnic University. He has been a visiting scholar in the Department of Engineering\, University of Cambridge\, during 2014 to 2015. He is a member of IAEG\, ISHMII\, ISSMGE\, and IALCCE. His areas of expertise include the development and application of smart monitoring systems for geo-structures\, field instrumentation and evaluation of slope stability and related geo-hazards\, and modelling of time-dependent behaviour of geo-materials. He is the author or co-author of 1 book\, 5 patents\, and more than 80 scientific papers. He serves as the invited reviewer of 22 international journals and the guest editor of 3 journal special issues.
URL:https://www.fst.um.edu.mo/event/monitoring-soil-deformation-using-distributed-fiber-optic-sensing-technology/
LOCATION:E11-1027
CATEGORIES:cee_events
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BEGIN:VEVENT
DTSTART;TZID=Asia/Macau:20151023T170000
DTEND;TZID=Asia/Macau:20151023T180000
DTSTAMP:20260614T194110
CREATED:20151022T040050Z
LAST-MODIFIED:20251125T032020Z
UID:16324-1445619600-1445623200@www.fst.um.edu.mo
SUMMARY:Cold-formed high strength tubular sections of steel grade up to 1100 MPa
DESCRIPTION:Speaker\nProf. Ben YOUNG\nDeputy Head and Professor\nDepartment of Civil Engineering\nUniversity of Hong Kong \nAbstract\nThis paper presents the experimental investigation of cold-formed high strength carbon steel tubular stub columns and beams. The nominal 0.2% proof stress of the specimens ranged from 700 to 1100 MPa. The experimental program focuses on the square hollow sections (SHS)\, rectangular hollow sections (RHS) and circular hollow sections (CHS). The material properties were first measured through tensile coupon tests. A new stress-strain model for high strength steel materials is proposed. The residual stress distributions were also presented for SHS and CHS. The compressive behaviour at cross-section level was studied through testing 25 stub columns. The test results including modulus of elasticity\, 0.2% proof stress and ultimate strength for the complete sections were also determined. The cross-sectional flexural behaviour were investigated through 25 four-point bending tests. The load-deformation histories and failure modes of the stub columns and beams were analyzed. The experimental results were compared against design values calculated from the European\, Australian and North American standards. The compactness criteria of tubular sections were assessed by comparing the section slenderness to the slenderness limits in the standards. Suggestions on the modification of section slenderness limits in design recommendations are given in this study. \nBiography\nProfessor Ben Young is currently working in the Department of Civil Engineering\, the University of Hong Kong\, and he is the Deputy Head of the Department. He is also the Associate Dean of the Graduate School at the University of Hong Kong. Professor Young received BSc\, BEng and PhD degrees from the University of Sydney. His research interests include cold-formed steel structures\, testing and design of steel structures\, stainless steel structures\, aluminium structures\, and fire resistance of metal structures as well as engineering education. He is currently an editor of the Journal of Constructional Steel Research and also serving as members of editorial board for ten other journals\, such as the Journal of Thin-Walled Structures\, Journal of Advanced Steel Construction\, and so on. Professor Young has published over 350 International journal and conference papers. He is the Vice President of the Hong Kong Institute of Steel Construction. Professor Young is one of the code writers of the “Hong Kong Code of Practice for the Structural Use of Steel” for the Buildings Department\, The Government of the Hong Kong Special Administrative Region.
URL:https://www.fst.um.edu.mo/event/cold-formed-high-strength-tubular-sections-of-steel-grade-up-to-1100-mpa/
LOCATION:E11-3033
CATEGORIES:cee_events
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