Wednesday, 15 September 2010
9:00 Opening session
H. Zanzinger (Chairman of GBR-C 2k10)
J. Zornberg (President of IGS)
9:20 Session 1: Bottom lining systems and composite liners
Chairman: Patrick Fox
Keynote lecture
Role of GCLs in controlling leakage through composite liners
R.K. Rowe (Canada)
Conflicting sealing and leak drainage requirements for GCL-only liners
I.D. Peggs (USA)
A parametric analysis of seepage and contaminant transport through composite liners with three-dimensional defects
I.E. McCarroll, A. El-Zein (Australia), N. Touze-Foltz (France)
11:00 Coffee break
11:30 Session 2: Unsaturated bentonite
Chairman: Ennio Marques Palmeira
Simulation of desiccation conditions for GCLs under field conditions
F. Meyer, C. Boley, G. Heerten, K.P. von Maubeuge (Germany)
Gas transfers in GCLs and composite liners
A. Bouazza (Australia)
Development of a water retention cell for GCLs
H.M. Abuel-Naga (New Zealand), A. Bouazza (Australia)
GCLs in landfill applications: influence of subgrade, temperature and confining pressure on bentonite hydration
B. Chevrier, D. Guyonnet, M. Gamet, D. Cazaux, G. Didier (France)
12:30 Lunch
14:00 Session 3: In-situ behaviour of GCLs in cover lining systems
Chairman: Kerry Rowe
Keynote lecture
Hydraulic conductivity of exhumed geosynthetic clay liners from composite barriers
C.H. Benson, J. Scalia (USA)
Performance of a GCL in a landfill cover after six years in service
N. Touze-Foltz, D. Croissant, T. Pirrion, S. Rosin-Paumier, J. F. Ouvry (France)
Technical developments related to the problem of GCL panel shrinkage when placed below an exposed geomembrane
R. Thiel (USA), R. K. Rowe (Canada)
Forensic examination of field GCL performance in landfill capping and mining containment applications
J. Buckley, D. Gibbs, W. P. Gates (Australia)
Performance of geosynthetic clay liners in landfill cap sealing systems - physical processes in the bentonite layer during drying and rehydration periods
A. Müller-Kirchenbauer, W. Blümel, K. P. von Maubeuge (Germany)
GCL in a landfill final cover:
10-year record of a lysimeter test-field
W. U. Henken-Mellies (Germany)
Capping and recultivation of old landfill site for blast-furnace gas sludge (“Sludge pit Pluto”) formerly owned by Schalker Verein in Herne as part of site sealing project
S. Vomberg (Germany)
16:00 Coffee break and Poster session
16:30 Session 4: Chemical compatibility
Chairman: Craig Benson
Barrier performance of GCLs against sodium chloride solutions at elevated temperature conditions
H. Ishimori, T. Katsumi, R. Fukagawa, T. Inui, K. Endo (Japan)
Chemical evolution of GCLs during oedopermeameter tests
S. Rosin-Paumier, N. Touze-Foltz (France)
Influence of halloysite on some properties of the sealing clay liner
R. Nowosielski, P. Sakiewicz, J. Soltys (Poland)
Investigations carried out concerning suitability assessment for geosynthetic clay liners as surface sealings at landfills
T. A. Egloffstein (Germany)
Quantification of the impact of a synthetic leachate on the structuration of bentonites used in GCLs usingrheometrical tests
S. Rosin-Paumier, N. Touze-Foltz, A. Pantet (France)
17:30 End of the first conference day
19:30 Franconian wine tasting
at magnificent wine cellar of the Würzburg Residence, one of the most well-known wine estates in Germany
Thursday, 16 September 2010
9:00 Session 5: Shear and mechanical behaviour of GCLs
Chairman: Jorge Zornberg
Keynote lecture
Internal and interface shear strengths of geosynthetic clay liners
P. J. Fox (USA)
Shear creep rupture behaviour of a stitch-bonded clay geosynthetic barrier
H. Zanzinger, F. Saathoff (Germany)
Long-term testing of the internal shear strength of needle-punched geosynthetic clay liners
W. W. Müller, I. Jakob, A. Wöhlecke (Germany)
10:30 Coffee break
Extrusion of hydrated bentonite through the woven geotextile of GCL and the influence on GCL/GM interface shear strength
A. Vukelic, A. Szavits-Nossan, P. Kvasnicka (Croatia)
Point strains in HDPE geomembranes with and without GCL protection layers
S. Allen, D. Narejo (USA)
Effect of differential settlements on the sealing efficiency of GCLs: centrifuge study
B.V.S. Viswanadham, S. Rajesh (India)
12:00 Lunch
13:00 Session 6: Hydraulic applications
Chairman: Daniele Cazzuffi
Geosynthetic clay liners (GBR-C) for hydraulic structures
M. Heibaum, P. Fleischer (Germany)
20 years experience with GCLs in dams and dykes:
Successful developments as multi-functional barrier in hydraulic engineering applications
K. Werth, G. Heerten, J. K. Pries, J. Klompmaker (Germany)
Advantages of using geomembrane laminated geosynthetic clay liners for a tailing dam in Emet, Turkey
E. Güler, C. B. Avci, H. O. Özhan (Turkey)
Use of geosynthetic clay liners (GCLs) for ground water protection in measures prescribed by the “guidelines for
technical building measures concerning roads in water protection areas” (GMRWPS) in Germany
T. A. Egloffstein (Germany)
Geosynthetic clay liners - applications beyond landfills – case studies
B. Herlin (Canada), K. P. von Maubeuge (Germany)
14:30 Coffee break
15:00 Session 7: Regulations and further developments
Chairman: Fokke Saathoff
GCLs in landfill applications: should quality-control require better knowledge of bentonite mineralogical composition?
D. Guyonnet, P. Blanc, H. Gailhanou-Vigier (France)
Comparative life cycle assessment (LCA) for clay geosynthetic barriers versus clay liners and other sealing systems used in river dykes, canals, storm water retention ponds and landfills
T. A. Egloffstein, G. Heerten, K. P. von Maubeuge (Germany)
Evolution of the requirements of geosynthetic clay liners for underground applications in France
J. L. Mahuet, G. Mazzoleni (France)
Generic specification for GCL manufacturing quality control; details and unsettled issues
R. M. Koerner, G. R. Koerner (USA)
Alternative GCLs: permittivity evaluation
P. M. F. Viana, E. M. Palmeira (Brasil)
Evaluation of clay geosynthetic barriers for the use in landfill construction in Germany
W. Bräcker, L. Wilhelm (Germany)
Effect of bentonite partial density on the total suction of compacted bentonite sand mix
K. Ravi, S. M. Rao (India)
GIGSA 1200W – The new SA specification for geosynthetic clay liners
P. Davies (South Africa)
17:00 Closing remarks / End of conference
