Post on 13-Apr-2018
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COST 351 WATMOVEWater Movements in Road Pavements & Embankments
COST 351 WATMOVEWater Movements in Road Pavements & Embankments
Andrew DawsonAndrew DawsonUniversity of Nottingham (Chairman)
Introduction to
COST351WATMOVE
Introduction to
COST351WATMOVE
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What is COST ?What is COST ?
~ COST stands for Co-Operation in thefield of Science and Technology
~ Virtually all European Countries (notonly EU) are members
~ Projects are proposed by membercountries (bottom-up)
~ Interested countries join specificprojects
~ Participants represent their countries
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How does it work ?How does it work ?
~ By love!
~ COST pays travel & subsistence to meet,employer organisations effectively fund staff
~ Some get state support to participate
~ Level of support doesnt meet need~ So, effectively done by enthusiasts
~ Final output tends to be a statement ofbest practice
~ Performed by steering panel of experts,
~ Not by a contractor!
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What is COST 351 ?What is COST 351 ?
~ COST 351 is on Water Movements inRoad Pavements and Embankments
~ Initial proposal by Kent Gustafson (VTI)
~ Coverage:
~ Moisture content in base / sub-base / near-pavement subgrade
~ Water flows in these areas and inpavement drainage systems
~ Water quality
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Subgrade water
Drains
Contaminated
run-off that
seeps into the
pavement
... but not surface drainage
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Swales interest us when the water
seeps into the pavement structure
Swales interest us when the water
seeps into the pavement structure
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AimsAims
~ Overall aim
~ to provide information and methods forimproved road behaviour, mechanicallyand environmentally
~ To be achieved by
~ Determining best-practice/understanding inthe areas of
~ Water content/movement modelling
~ Water content/movement measurement
~ Contaminant leaching/transport
~ Mechanical properties as a function
of moisture
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Some Features .Some Features .
~ Zone of interest:
~ where influenced by traffic,
~ To the water table for contaminant seepage,
~ Will draw on in-situ performance datawhenever possible,
~ Include run-off water only as an input forcontaminant movement,
~ Heat-flow studied to understand water flow
driven by freezing or thawing.~ Will produce a textbook, suitable for
practising engineers,
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TimetableTimetable
~ Started 17th December 2003
~ Ends 16th December 2006~ First year complete
~ Report available~ from our web-site
www.watmove.org
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MembershipMembership
~ 18 National Members
United KingdomSpainPortugal
SwitzerlandSloveniaPoland
SwedenSerbia & MontenegroNorway
RomaniaIceland
Greece
France
Finland
Denmark
Czech Republic
Croatia
Belgium
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MembershipMembership
~ Pavement Engineers
~ Geologists~ Environmental Scientists & Engineers
~ Materials Engineers
~ Regulatory interests~ Owner interests
~Academic interests
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OrganisationOrganisation
~ Working Group 1 Questionnaires
~ Susanne Baltzer (Danish Road Institute)
~ Working Group 2 Water condition and movement definitionand modeling
~ Prof. Sigurdur Erlingsson (Univ. Iceland)
~ Working Group 3 Water quality
~ Dr. Mihael Brencic(Geological Survey of Slovenia)
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Organisation (cont)Organisation (cont)
~ Working Group 4 Material properties as a function ofmoisture content
~ Prof. Robert Charlier
(Univ. Lige, Belgium)~ Working Group 5
Dissemination & Reporting
~Andrew Dawson (Univ. Nottingham, UK)
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Book ContentsBook Contents
1. Purpose
2. Introduction
3. Water flow theory in saturated andunsaturated soils
4. Heat transfer in soils
5. Measurements techniques for water flow
6. Computer modelling for water movement
and heat transfer in pavements7. Contamination of water and soil
8. Contamination detection & evaluation
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Book Contents (cont)Book Contents (cont)
9. The mechanical effects of water inpavement.
10.Mechanical behaviour: experimentalinvestigation.
11.Coupled hydro - mechanical modelling of
pavement materials12.Applications: water influence on bearing
capacity and pavement performance
13.Advice on control of pavement water14.Advice on pollution mitigation
15.Summary, conclusions & recommendations
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ProgrammeProgramme
~ Management Committee
~ 2x per annum
~ Working Group
~ 3x per annum
~ Technical Interaction
~ Social Interaction
~ Particularly important to developunderstanding
~ of different disciplines
~ of different technical cultures
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The Social Dimension ....
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The Management Committee at the Portuguese Road InstituteThe Management Committee at the Portuguese Road Institute
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What next ?What next ?
~ Please visit our web-site
www.watmove.org
~ Please fill in a questionnaire .. whenyou get a copy by e-mail
~Ask to go on our mailing list
~ e-mail: sub@vd.dk
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NewsletterNewsletter
~ Get yourcopy fromour web-site
~ Sign up for
future copies
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