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Centre d'hydrogéologie et de géothermie
Organisation mère
Site web
Courriel
Téléphone
+ 41 32 718 26 00 / 02
Fax
+ 41 32 718 26 03
Rue
Rue Emile-Argand 11
Code postal
2000
Ville
Neuchâtel
Pays
CH
Type d'institution
Academic Institute
Identifiants
1045 Résultats
Voici les éléments 1 - 10 sur 1045
- PublicationMétadonnées seulementComplementing approaches to demonstrate chlorinated solvent biodegradation in a complex pollution plume: Mass balance, PCR and compound-specific stable isotope analysis(2011)
; - PublicationMétadonnées seulementCoupling of full two-dimensional and depth-averaged models for granular flows(2013)
- PublicationMétadonnées seulementNachhaltige Grundwasserwirtschaft: Probleme und wissenschaftliche Werkzeuge(2003)
- PublicationMétadonnées seulementStress Characterisation and stress modeling at the Grimsel Test Site for the In-situ Stimulation and Circulation Project(2016-11-19)
; ; - PublicationMétadonnées seulementLe forage géothermique de Thonex (Canton de Genève): Aspects stratigraphiques, tectoniques, diagénéitiques, géophysiques et hydrogéologiques(1995)
; Wemli, Roland - PublicationAccès libreA comparison of FBG- and Brillouin-strain sensing in the framework of a decameter-scale hydraulic stimulation experiment(: American Rock Mechanics Association, 2018-6-18)
; Amann, F.In the framework of the In-situ Stimulation and Circulation (ISC) experiment Fiber-Bragg-Grating (FBG) and Brillouin strain sensing systems were installed to monitor deformation during six hydraulic shearing and six hydraulic fracturing experiments. Three boreholes were dedicated to strain monitoring. Both systems are installed in the same boreholes, offering a unique opportunity to compare these systems with respect to their applicability in hydraulic stimulation tests. A total of 60 FBG sensors with 1 m base length were installed across fractures, shear zones and intact rock. Along the entire borehole length, pre-stressed optical cables for Brillouin distributed strain (DBS) sensing were embedded in grout with two installation methods: a bare cable and a cable packed and fixed with glue every 0.65 m. The strain signals were compared as time series for a given borehole depth and as profiles along the borehole axis. The study reveals that the FBG system gives a high accuracy (0.04 µ-strain) and temporal resolution (>1s) with pointwise measurements. The bare DBS leg yield good quantitative strain data with poorer strain accuracy (>500 times poorer than FBG) and poorer temporal resolution (factor of >100). The packed DBS leg provide no meaningful information about the strain field. - PublicationMétadonnées seulementCarbon isotopes as a tool to evaluate the origin and fate of vinyl chloride: Laboratory experiments and modeling of isotope evolution(2002)
; - PublicationMétadonnées seulementRegional Flow Simulation in Fractured Aquifers Using Stress?Dependent Parameters(2012)
; - PublicationMétadonnées seulement
- PublicationMétadonnées seulementThe use of the ASTER sensor for soil salinity assement (In chinese)(2006)
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