sednet conference · 2015. 12. 23. · sednet conference . 25. th. september 2015 . eng. ngoufo...
TRANSCRIPT
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SEDNET CONFERENCE 25th September 2015
Eng. Ngoufo GANGNIMAZE Ecole Centrale de Lille, FRANCE
Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, Krakow, Poland
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• CEAMaS PRESENTATION
• LEGISLATIVE ISSUES
• TECHNICAL ISSUES
• APPLICATIONS
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MANAGEMENT DECISION PROCESS OF BENEFICIAL REUSE OF MARINE SEDIMENTS IN CIVIL ENGINEERING APPLICATIONS
SUMMARY
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PARTNERS
• France : – Cd2e – BRGM – Ecole Centrale de Lille – Université de Lille 1 • Ireland: – University College of Cork – Cork Institute of Technology • Belgium – BBRI • Netherlands – TUDelft / Deltares
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CEAMAS PRESENTATION INTERREG IV B PROJECT (2013-2015)
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CEAMAS PRESENTATION
5 LINKED WORKPACKAGES
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SWOT analysis and benchmarking on dredged sediments management and
reuse in Europe
Development of new solutions /new formulations of sediments
reuse
Environmental, social and
economical acceptability)
Methodology to reuse marine
sediments
Communication / Centre of Resources on sediments management and reuse
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CEAMaS PRESENTATION
WP2 VISION
Polluted sediments Non Polluted sediments
Raw sediments
Characterization
Legislation ???
Treated sediments
Formulations
List of treatment
process
List of Raw materials List of civil engineering
applications
Reuse in civil engineering
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LEGISLATIVE ISSUES FOR REUSE
MAJOR CONVENTIONS RELATED TO SEDIMENTS
• OSPAR CONVENTION
• LONDON CONVENTION
• BARCELONA CONVENTION
• HELSINKI CONVENTION
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LEGISLATIVE ISSUES FOR REUSE LEACHING TOOL ACCORDING TO NEN 7373 (2004)
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TECHNICAL ISSUES FOR REUSE ACIONS IN WP2
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WP2 - Development of new solutions /new formulations of sediments reuse
Definition of common
characterization methods
Characterization of different sludge
types and compositions
Requirements for sediment-based civil engineering
formulations
Best practice exchange through field experiment
studies
Technical Report: Characterization
techniques of sediments
Site Description and sampling
Methods
Mar
ine
sed
imen
ts
Dun
kirk
, FR
A
mor
as, B
E
Cor
k, IE
Low
land
s, N
L
Synoptic files +
Tools
Formulation for the sediments
reuse Site visits and technical exchange
+ Best practice
Flow sheets: Criteria for reuse
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TECHNICAL ISSUES FOR REUSE
SEDIMENT CHARACTERISATION TECHNICS FOR REUSE
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METHODOLOGY A6 - PHYSICAL, GEOTECHNICAL, AND CHEMICAL CHARACTERIZATION TECHNIQUES OF SEDIMENTS
Netherlands France Ireland
Site Description and sampling Methods
A7- CHARACTERIZATION OF SEDIMENTS
Synoptic file for each studied sediment +
Classification
A8- Requirements for sediment-
based civil engineering formulations
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TECHNICAL ISSUES FOR REUSE
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TECHNICAL ISSUES FOR REUSE
Physical, Geotechnical and Complementary characterization
EC LILLE
Density
Water content
Grain Size Distribution
Atterberg limits
Methylene blue adsorption
Specific surface area
Calcium carbonate content
Organic content
Proctor Compaction test
Consolidation test
Permeability
TGA
Sorption & Desorption
Thermal Conductivity
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TECHNICAL ISSUES FOR REUSE
EC LILLE
Water content in the raw sediments (NF P94-050)
40˚C 60˚C 105˚C
Dunkirk 92,58 93,78 95,5
Amoras 132,84 134,54 136,5
Cork 44,15 44,5 45,05
Lowlands 1555,4 1606,86 1683,35
PHYSICAL TESTS RESULTS
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TECHNICAL ISSUES FOR REUSE
EC LILLE
Particle size distribution (by laser granulometry: Malvern Mastersizer 2000)
0
20
40
60
80
100
0,1 1 10 100 1000
Vol
ume
(%)
Particle size (µm)
Granular fractions
(NF EN ISO 14688-1)
Clay (< 2 µm)
Silt (between 2 µm and 63
µm)
Sand (between 63 µm and 2000
µm)
Dunkirk 6,03 65,53 28,43
Amoras 5,48 67,41 27,11
Cork 1,89 36,33 61,79
Lowlands 0,85 13,29 85,86
PHYSICAL TESTS RESULTS
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TECHNICAL ISSUES FOR REUSE
EC LILLE
Atterberg Limits (NF P94-051)
Liquid limit (LL)
Plastic limit (PL)
Plasticity index (PI)
Dunkirk 65,15 33,27 31,88
Amoras 85,97 32,25 53,72
Cork - - -
Lowlands 530,1 232,89 297,21
GEOTECHNICAL TESTS RESULTS
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TECHNICAL ISSUES FOR REUSE
SEDIMENT CHARACTERISATION TECHNICS FOR REUSE
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APPLICATIONS
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APPLICATIONS
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www.ceamas.eu
Thank you!
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A WHAT-IF TOOL
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TARGET AUDIENCE
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