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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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DTSTART:20150101T000000
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BEGIN:VEVENT
DTSTART;TZID=Asia/Macau:20150709T150000
DTEND;TZID=Asia/Macau:20150709T160000
DTSTAMP:20260613T211340
CREATED:20150708T040050Z
LAST-MODIFIED:20251125T032021Z
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SUMMARY:Green Geotechnics: Vegetation for Slope Stabilization
DESCRIPTION:Speaker\nDr. Ankit GARG\nAssistant Professor\nDepartment of Civil Engineering\nIndian Institute of Technology \nAbstract\nThe use of vegetation as root reinforcement for man- made slope stabilization has received considerable attention in past decades. However\, its another aspect of root water uptake induced soil suction and root induced changes in soil properties (i.e.\, soil water characteristic curve) is generally overlooked. Soil suction is important as it increases shear strength of unsaturated soil and also reduces permeability. Experiments have been performed in both laboratory (atmospheric controlled) and natural (field condition) to understand the influence of root water uptake on soil suction. A new Embankment was constructed with silty sand and vegetated with two different types of species i.e.\, Bermuda grass (Cynodon dactylon) and Ivy tree (Schefflera heptaphylla). Their effects on soil suction is compared and discussed under both controlled and natural condition. In addition\, vegetation root characteristics (root area index) and shoot characteristics (leaf area index) was measured to discuss any variability in measured suction among tree and grass species. The effect of increase in soil density on root water uptake induced suction is also investigated using series of numerical parametric study. Through\, combination of laboratory\, field and numerical study\, an understanding of soil-root-water interaction was improved. \nBiography\nDr. Ankit Garg is currently Assistant Professor in Department of Civil Engineering at Indian Institute of Technology (IIT)\, Guwahati\, India. His research expertise is on Bio-engineered embankment\, where he is looking into effects of vegetation on soil properties. He received his PhD degree from Hong Kong University of Science and Technology (HKUST) in Civil and Environmental Engineering and undergraduate degree in Civil Engineering from IIT Guwahati\, India. He was awarded the prestigious Hong Kong PhD Fellowship (HKPF) for pursing PhD at HKUST and DAAD fellowship for pursing research project at Karlsruhe Institute of Technology\, Germany. His publications include 14 international SCI journals (including one journal given below in collaboration with Prof Hannah Zhou) and 4 international conferences. He has also been reviewer of 3 International Journals (European Journal of Soil Science\, Canadian Geotechnical Journal and Engineering Computations). \n 
URL:https://www.fst.um.edu.mo/event/green-geotechnics-vegetation-for-slope-stabilization/
LOCATION:E11-1006
CATEGORIES:cee_events
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20150722
DTEND;VALUE=DATE:20150725
DTSTAMP:20260613T211340
CREATED:20150721T040028Z
LAST-MODIFIED:20251125T032021Z
UID:16329-1437523200-1437782399@www.fst.um.edu.mo
SUMMARY:Civil Engineering Summer Camp 2015 土木工程夏令營2015
DESCRIPTION:
URL:https://www.fst.um.edu.mo/academics/summer-camp/summer-camp-2015/civil-engineering-summer-camp-2015/#new_tab
CATEGORIES:cee_events
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Macau:20150723T110000
DTEND;TZID=Asia/Macau:20150723T120000
DTSTAMP:20260613T211340
CREATED:20150722T040048Z
LAST-MODIFIED:20251125T032021Z
UID:16296-1437649200-1437652800@www.fst.um.edu.mo
SUMMARY:Difference between the continuum and DEM fabric tensors
DESCRIPTION:Speaker\nProf. Xiang-Song LI\nProfessor Emeritus\nDepartment of Civil and Environmental Engineering\nThe Hong Kong University of Science and Technology \nAbstract\nIn granular mechanics\, macroscopic approaches treat a granular material as a continuum at macro-scale\, and study its constitutive relationship between stresses and strains. On the other hand\, microscopic approaches consider a granular material as an assembly of individual particles interacting with each other at micro-scale\, and the physical quantities under study are forces and displacements. This presentation will focus on the macroscopic quantification of the internal structure in terms of the fabric tensor. The correlations among different fabric tensors and their relations with the stress–strain behavior will be discussed. \nBiography\nProfessor Emeritus of Hong Kong University of Science and Technology\, X.S. Li’s research interests include soil dynamics and geotechnical earthquake engineering; constitutive modeling of engineering materials; numerical and centrifuge modeling of geotechnical structures; lab testing; instrumentation\, control\, signal processing for structural and geotechnical experiments. \n 
URL:https://www.fst.um.edu.mo/event/difference-between-the-continuum-and-dem-fabric-tensors/
LOCATION:E11-1006
CATEGORIES:cee_events
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