30 April
43TH TECHNICAL MEETING, DAY 2 - PORRENTRUY
PROGRAMME OF DAY 2
INTRODUCTION
Warm up and info about organization of the second day
Christophe Nussbaum (swisstopo)
ROCK MECHANICS AND THM
Chairperson: Oliver Czaikowski
The HE-E experiment: Comparative evaluation of monitoring and laboratory data from in situ buffer analysis after 12 years of operation and implications for engineered barriers
Florian Kober (Nagra)
Heating bentonite and Opalinus Clay for over a decade: insights from the FE Experiment
Raphaël Schneeberger (Nagra)
Laboratory characterisation of the GBM bentonite of the FE experiment: insights into the thermo-hydro-mechanical behaviour and implications for the field experiment
Eleonora Crisci (NESOL)
Overview and recent results of the Sandwich (SW-A) project
Matthias Hinze (GRS)
The PF-A Experiment: In situ progressive failure of faulted Opalinus Clay — Insights from underground excavation, laboratory tests, and numerical simulations
Martin Ziegler (swisstopo)
Numerical simulation of damage evolution around the PF/PF-A experimental borehole in faulted Opalinus Clay
Qinghua Lei (University of Uppsala)
Coffee break
ROCK MASS CHARACTERIZATION
Chairperson: Raphaël Schneeberger
KEYNOTE: State of stress in the brittle crust and implications for geoenergies
Benoît Valley (CHYN)
Deciphering the hydrogeological system of the Mont Terri anticline – shake it, weigh it, puncture it
Felix Kästner (Helmholtz)
What do ultrasonic borehole measurements tell us about differentiation, heterogeneity, anisotropy, dispersion, attenu-ation and even about a possible alternated stratification of the Opalinus Clay?
Kristof Schuster (BGR, retired)
Electrical and acoustic behavior of Opalinus clayrock subjected to partially saturated conditions
Damien Jougnot (Sorbonne Université)
Multi-scale identification of geological discontinuities using machine learning
Rushan Wang (ETHZ WSL)
Lunch
VISIT OF THE ROCK LABORATORY
Bus transfer to Mont Terri rock laboratory, St-Ursanne
Rock laboratory visit in three groups:
- Group 1: Martin Ziegler (swisstopo)
- Group 2: David Jaeggi (swisstopo)
- Group 3: Senecio Schefer (swisstopo)
Closure of TM-43 in St-Ursanne, if needed, bus transfer back to Porrentruy
List of posters
1.
Microbial hydrogen consumption in the crushed Opalinus Clay backfill of a deep geological repository.
C. Rolland (EPFL) et al.
2.
The LT-A experiment and the need for long-term laboratory tests
S. Schumacher (BGR) et al.
3.
Rock mass response in the vicinity of the Sandwich experiment
J. Hesser (BGR) et al.
4.
Comparing results of ERT and TDR measurements in Sandwich SW-A project
M. Furche (BGR) et al.
5.
Simulating Sandwich Shaft 1: An insight into the DECOVALEX Sandwich Task
L. Friedenberg (GRS) et al.
6.
Laboratory work in the frame of the Sandwich project
K. Emmerich (KIT) et al.
7.
Semi-technical scale experiment HTV-9
K. Emmerich (KIT) et al.
8.
Wireless System and In-Situ Performance Results at the Sandwich Shaft
S. Tunon Valladares (Amphos21) et al.
9.
Solute transport across an aged concrete/claystone interface (CI-D): tracking of diffusion after 4.4 years of tracer circulation
U. Mäder (Rockwaterconsulting) et al.
10.
Evolution of a concrete / claystone interface during 17 years of an in situ experiment (CI): characterisation by high-resolution chemical and mineralogical analysis
U. Mäder (Rockwaterconsulting) et al.
11.
Experimental and numerical analysis of hydraulic-mechanical interactions in claystone: insights from in-situ measurements and modeling of the twin niches (CD-A experiment)
G. Ziefle (BGR) et al.
12.
Anisotropy and seismic velocities of Opalinus Clay and surrounding rock formations
S. Lueth (GFZ) et al.
13.
Attention to detail: Insights on thermo-osmosis and the relevance of heterogeneity from back analysis of the Mt. Terri Deep Borehole experiment
F. Kiszkurno (TU Freiberg) et al.
14.
Modelling uranium migration in Opalinus Clay – the value of data, knowledge and experience from 30 years Mont Terri
T. Schöne (GFZ) et al.
15.
Design and experimental characterization of potential claystone-based backfill and sealing materials
M. Middelhoff (GRS) et al.
16.
Sorption and diffusion studies on Opalinus Clay from the sandy facies for the DR-C and DR-D experiments
S. Ratnayake (KIT) et al.
17.
Mineralogical and geochemical OPA characterization constraints for OPA pore water chemical modelling
C. Lerouge (BRGM) et al.
18.
Over 20 years of GRS pore pressure investigations at MT-Lab - an overview
K. Jantschik (GRS) et al.
19.
Comparison of modelling approaches for the DR-C and DR-D experiments
T. Hennig (GFZ) et al.
20.
Machine-learning approaches for mineralogy prediction from drill core images in clay-rich formations
R. Boiger (PSI) et al.
21.
Understanding time-dependent deformation in Opalinus Clay: insights and implications
L. Gotzen (RWTH Aachen) et al.
22.
Comparison of different fibre-optic strain sensing methods in tunnel linings (TS Experiment)
T. Vogt (Nagra) et al.
23.
Studying CO2 leakage on faults: summarising 7 years of activities at the CSD/CSE experiments
A. P. Rinaldi (ETH) et al.
24.
Long-term monitoring of elevation changes in the Mont Terri Rock Laboratory: impact of the excavation of galleries 08 and 18
S. Condamin (swisstopo) et al.
25.
Pore water chemistry characterization by the squeezing technique in the context of the Mont Terri Project
A.M. Fernandez Diaz (CIEMAT) et al.
26.
Modelling bentonite re-saturation at limited water supply from the rock with the advanced COMSOL-VIPER code
M. Kröhn (GRS) et al.
27.
Gases and organic compounds released during heating of Opalinus Clay from the Mont Terri subsurface lab
C. Ostertag-Henning (BGR) et al.
28.
Heat storage in fractured and karstified rock masses
B. Valley et al. (CHYN)
