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X-WR-CALNAME: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:20260614T041513
CREATED:20150708T040050Z
LAST-MODIFIED:20251125T032021Z
UID:16294-1436454000-1436457600@www.fst.um.edu.mo
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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