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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:20140101T000000
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BEGIN:VEVENT
DTSTART;TZID=Asia/Macau:20141011T100000
DTEND;TZID=Asia/Macau:20141011T110000
DTSTAMP:20260528T140438
CREATED:20141010T040037Z
LAST-MODIFIED:20251125T032021Z
UID:16355-1413021600-1413025200@www.fst.um.edu.mo
SUMMARY:Development and Application of Fiber Bragg Grating Sensing Technology in the Asphalt Pavement
DESCRIPTION:Speaker\nDr. Xu Dong-shengAssistant Professor\, Department of Civil EngineeringChu Hai College of Higher Education\, Hong Kong \nAbstract\nThe Fiber Bragg Grating (FBG) sensing technology is widely applied in the civil engineering as its inherent merits such as high precision\, small size\, light weight\, resistance to electromagnetic interference\, and combination of sensing and transmission. In this study\, a novel FBG based asphalt strain sensor is developed with the “H” shape design. The laboratory calibration tests are conducted and the performance is verified in a laboratory model test. In addition\, a FBG based flexible sensing beam is developed based on quasi-distributed sensor array in order to measure the rutting of the asphalt pavement. The working principle and fabrication process are presented. To verify their performance\, a physical pavement model is established and a static loading test is conducted. The results indicated that the FBG based asphalt strain sensors and the sensing beam have a good accuracy to detect strains and rutting of the asphalt pavement. \nBiography\nDr. Dong-sheng Xu is currently an Assistant Professor in the Department of Civil Engineering of the Chu Hai College of Higher Education in Hong Kong. Dr. Xu received a PhD degree from The Hong Kong Polytechnic University. He has published more than peer reviewed 15 international journal and conference papers. His research is mainly focused on the fiber optic sensing technology and applications in the geotechnical engineering. He participated in several large research projects in the field of fiber optical sensors\, pavement and slope reinforcement both in Hong Kong and mainland China.
URL:https://www.fst.um.edu.mo/event/development-and-application-of-fiber-bragg-grating-sensing-technology-in-the-asphalt-pavement/
LOCATION:E11-4045
CATEGORIES:cee_events
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