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  • 1
    Keywords: Geotechnical engineering. ; Engineering geology. ; Geology. ; Geotechnical Engineering and Applied Earth Sciences. ; Geoengineering. ; Geology.
    Description / Table of Contents: 1. Introduction to GeomInt -- 2. Experimental Platform -- 3. Numerical Platform -- 4.Model-Experiment-Exercises (MEX) -- 5. Data Management -- 6. Synthesis and Outlook -- 7. Code Descriptions.
    Abstract: This open access book summarizes the results of the collaborative project “GeomInt: Geomechanical integrity of host and barrier rocks - experiment, modeling and analysis of discontinuities” within the Program: Geo Research for Sustainability (GEO: N) of the Federal Ministry of Education and Research (BMBF). The use of geosystems as a source of resources, a storage space, for installing underground municipal or traffic infrastructure has become much more intensive and diverse in recent years. Increasing utilization of the geological environment requires careful analyses of the rock–fluid systems as well as assessments of the feasibility, efficiency and environmental impacts of the technologies under consideration. The establishment of safe, economic and ecological operation of underground geosystems requires a comprehensive understanding of the physical, (geo)chemical and microbiological processes on all relevant time and length scales. This understanding can only be deepened on the basis of intensive laboratory and in-situ experiments in conjunction with reliable studies on the modeling and simulation (numerical experiments) of the corresponding multi-physical/chemical processes. The present work provides a unique handbook for experimentalists, modelers, analysts and even decision makers concerning the characterization of various types of host rocks (salt, clay, crystalline formations) for various geotechnical applications.
    Type of Medium: Online Resource
    Pages: XVI, 277 p. 216 illus., 176 illus. in color. , online resource.
    Edition: 1st ed. 2021.
    ISBN: 9783030619091
    Series Statement: Terrestrial Environmental Sciences,
    DDC: 624.151
    Language: English
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  • 2
    Publication Date: 2023-09-14
    Description: The present paper gives an overview of the GeomInt project “Geomechanical integrity of host and barrier rocks—experiment, modelling and analysis of discontinuities” which has been conducted from 2017–2020 within the framework of the “Geo:N Geosciences for Sustainability” program. The research concept of the collaborative project is briefly introduced followed by a summary of the most important outcomes. The research concept puts geological discontinuities into the centre of investigations—as these belong to the most interesting and critical elements for any subsurface utilisation. Thus, while research questions are specific, they bear relevance to a wide range of applications. The specific research is thus integrated into a generic concept in order to make the results more generally applicable and transferable. The generic part includes a variety of conceptual approaches and their numerical realisations for describing the evolution of discontinuities in the most important types of barrier rocks. An explicit validation concept for the generic framework was developed and realised by specific “model-experiment-exercises” (MEX) which combined experiments and models in a systematic way from the very beginning. 16 MEX have been developed which cover a wide range of fundamental fracturing mechanisms, i.e. swelling/shrinkage, fluid percolation, and stress redistribution processes. The progress in model development is also demonstrated by field-scale applications, e.g. in the analysis and design of experiments in underground research laboratories in Opalinus Clay (URL Mont Terri, Switzerland) and salt rock (research mine Springen, Germany).
    Description: BMBF
    Description: Helmholtz-Zentrum für Umweltforschung GmbH - UFZ (4215)
    Keywords: ddc:550.724 ; GeomInt ; Fracture flow ; Fracture mechanics ; Barrier integrity ; Discontinuities ; Open source ; OpenGeoSys
    Language: English
    Type: doc-type:article
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