Relevant bibliographies by topics / Salt deformation

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Salt deformation'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Salt deformation"

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Cao, Mengtao, and Shunde Yin. "Study on the Tri-axial Time-Dependent Deformation and Constitutive Model of Glauberite Salt Rock under the Coupled Effects of Compression and Dissolution." Energies 13, no. 7 (April 8, 2020): 1797. http://dx.doi.org/10.3390/en13071797.

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Solution mining for glauberite salt rock is a long-term process that takes several years to several decades. Therefore, deposit deformations and subsidence of ground surfaces are time-dependent deformation problems that should consider the effect of water dissolution. In order to investigate the time-dependent deformation characteristics of glauberite salt rock, tri-axial time-dependent deformation tests were conducted under the condition of 4 MPa confining pressure and 5 MPa axial pressure with infiltration pressures of 3, 2, 1, and 0 MPa, respectively, and the micro-CT scan system was used to scan the glauberite specimens before and after the experiment in order to study the fracture evolution inside the specimen, and a damage constitutive model was established to fit the time-dependent deformation curves based on the damage mechanics and effective stress principle. To simulate the solution mining process, the time-dependent deformation process of glauberite salt rock was divided into three stages: hydraulic connection stage, water-saturated stage, and drainage stage. The results demonstrate that the hydraulic connection time for glauberite salt rock decreases with increasing infiltration pressure. The time-dependent deformations of the specimens at the hydraulic connection and saturated-water stages are significantly affected by the effective stress and continual mineral dissolution. At the drainage stage, the softening degree of the solid skeleton mechanical properties, which is caused by the dissolution effect and infiltration pressure loading history, decides the deformation of glauberite salt rock. In addition, the degree of softening inside glauberite salt rock caused by dissolution becomes more severe with increasing infiltration pressure using the micro-CT scan technology. Lastly, the time-dependent damage constitutive model is able to describe the tri-axial time-dependent deformation behavior of glauberite salt rock, and the variations of time-dependent deformation parameters further indicate the damage evolution of the solid skeleton mechanical properties of glauberite caused by infiltration pressure and dissolution effect.
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Szűcs, Eszter, Sándor Gönczy, István Bozsó, László Bányai, Alexandru Szakacs, Csilla Szárnya, and Viktor Wesztergom. "Evolution of surface deformation related to salt-extraction-caused sinkholes in Solotvyno (Ukraine) revealed by Sentinel-1 radar interferometry." Natural Hazards and Earth System Sciences 21, no. 3 (March 15, 2021): 977–93. http://dx.doi.org/10.5194/nhess-21-977-2021.

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Abstract. Rock salt has remarkable mechanical properties and high economic importance; however, the strength of salt compared to other rocks makes it a rather vulnerable material. Human activities could lead to acceleration of the dissolution of soluble rock salt and collapse of subsurface caverns. Although sinkhole development can be considered a local geological disaster regarding the characteristic size of surface depressions, the deformations can result in catastrophic events. In this study we report the spatiotemporal evolution of surface deformation in the Solotvyno salt mine area in Ukraine based on Sentinel-1 interferometric synthetic aperture radar measurements. Although the mining operations were finished in 2010, several sinkholes have been opened up since then. Our results show that despite the enormous risk management efforts, the sinkholes continue to expand with a maximum line-of-sight deformation rate of 5 cm/yr. The deformation time series show a rather linear feature, and unfortunately no slowdown of the processes can be recognized based on the investigated 4.5-year-long data set. We utilized both ascending and descending satellite passes to discriminate the horizontal and vertical deformations, and our results revealed that vertical deformation is much more pronounced in the area. Analytical source modeling confirmed that the complex deformation pattern observed by Sentinel-1 radar interferometry has a direct connection to the former mining activity and is confined to the mining territory. With the 6 d repetition time of Sentinel-1 observations, the evolution of surface changes can be detected in quasi real time, which can facilitate disaster response and recovery.
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Ruch, J., J. K. Warren, F. Risacher, T. R. Walter, and R. Lanari. "Salt lake deformation detected from space." Earth and Planetary Science Letters 331-332 (May 2012): 120–27. http://dx.doi.org/10.1016/j.epsl.2012.03.009.

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Aptukov, V. N. "Deformation criterion of salt rock failure." Journal of Mining Science 52, no. 3 (May 2016): 448–53. http://dx.doi.org/10.1134/s1062739116030645.

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Asanov, V. A., I. L. Pan’kov, and V. V. Anikin. "Rock salt deformation under sustained loading." Journal of Mining Science 47, no. 4 (July 2011): 435–40. http://dx.doi.org/10.1134/s1062739147040058.

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Hansen, F. D. "Deformation mechanisms of salt under repository conditions." Revue de Physique Appliquée 23, no. 4 (1988): 711. http://dx.doi.org/10.1051/rphysap:01988002304071100.

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Ghanbarzadeh, S., M. A. Hesse, M. Prodanovi , and J. E. Gardner. "Deformation-assisted fluid percolation in rock salt." Science 350, no. 6264 (November 26, 2015): 1069–72. http://dx.doi.org/10.1126/science.aac8747.

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Kakorin, S., E. Redeker, and E. Neumann. "Electroporative deformation of salt filled lipid vesicles." European Biophysics Journal 27, no. 1 (January 13, 1998): 43–53. http://dx.doi.org/10.1007/s002490050109.

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Davison, Ian, Ian Alsop, and Derek Blundell. "Salt tectonics: some aspects of deformation mechanics." Geological Society, London, Special Publications 100, no. 1 (1996): 1–10. http://dx.doi.org/10.1144/gsl.sp.1996.100.01.01.

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Asanov, V. A., and I. L. Pan’kov. "Deformation of salt rock joints in time." Journal of Mining Science 40, no. 4 (July 2004): 355–59. http://dx.doi.org/10.1007/s10913-004-0017-5.

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Dissertations / Theses on the topic "Salt deformation"

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Stormont, John Charles. "Gas permeability changes in rock salt during deformation." Diss., The University of Arizona, 1990. http://hdl.handle.net/10150/185159.

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A laboratory, field and numerical study of the changes in gas permeability which rock salt experiences during deformation is given. The laboratory tests involves gas permeability and porosity measurements coincident with hydrostatic and triaxial quasi-static, stress-rate controlled compression tests. The permeability and porosity of the as-received samples decrease significantly as a result of hydrostatic loading. These changes are largely irreversible, and are believed to "heal" or return the rock to a condition comparable to its undisturbed state. Deviatoric loading induces a dramatic change in pore structure. The permeability can increase more than 5 orders of magnitude over the initial (healed) state as the samples are loaded. The gas permeability changes are consistent with flow paths initially developing along the grain boundaries and then along axial secondary tensile cracks. The results from two sets of in situ gas permeability measurements from the underground workings of the WIPP Facility are given. The results consistently indicate that there is no measurable gas permeability prior to disturbing the rock by excavation. In the immediate vicinity of an excavation, the gas permeability can be 5 orders of magnitude greater than the undisturbed permeability. A numerical procedure to predict the in situ permeability is developed based on the results of the laboratory tests. The stress and strain fields surrounding excavations in rock salt, predicted with an elastoplastic model, are used in a model of gas permeability based on the equivalent channel model. The zone of the gas permeable rock is predicted well, but the magnitude of the gas permeability is underpredicted very near excavations. The gas permeability which develops in situ is principally a result of flow along dilated grain boundaries.
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Chemia, Zurab. "Modeling internal deformation of salt structures targeted for radioactive waste disposal." Doctoral thesis, Uppsala University, Department of Earth Sciences, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-9279.

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This thesis uses results of systematic numerical models to argue that externally inactive salt structures, which are potential targets for radioactive waste disposal, might be internally active due to the presence of dense layers or blocks within a salt layer.

The three papers that support this thesis use the Gorleben salt diapir (NW Germany), which was targeted as a future final repository for high-grade radioactive waste, as a general guideline.

The first two papers present systematic studies of the parameters that control the development of a salt diapir and how it entrains a dense anhydrite layer. Results from these numerical models show that the entrainment of a dense anhydrite layer within a salt diapir depends on four parameters: sedimentation rate, viscosity of salt, perturbation width and the stratigraphic location of the dense layer. The combined effect of these four parameters, which has a direct impact on the rate of salt supply (volume/area of the salt that is supplied to the diapir with time), shape a diapir and the mode of entrainment. Salt diapirs down-built with sedimentary units of high viscosity can potentially grow with an embedded anhydrite layer and deplete their source layer (salt supply ceases). However, when salt supply decreases dramatically or ceases entirely, the entrained anhydrite layer/segments start to sink within the diapir. In inactive diapirs, sinking of the entrained anhydrite layer is inevitable and strongly depends on the rheology of the salt, which is in direct contact with the anhydrite layer. During the post-depositional stage, if the effective viscosity of salt falls below the threshold value of around 1018-1019 Pa s, the mobility of anhydrite blocks might influence any repository within the diapir. However, the internal deformation of the salt diapir by the descending blocks decreases with increase in effective viscosity of salt.

The results presented in this thesis suggest that it is highly likely that salt structures where dense and viscous layer/blocks are present undergo an internal deformation processes when these dense blocks start sinking within the diapir. Depending on size and orientation of these blocks, deformation pattern is significantly different within the diapir. Furthermore, model results applied to the Gorleben diapir show that the rate of descent of the entrained anhydrite blocks differs on different sides of the diapir. This suggests that if the anhydrite blocks descent within the Gorleben diapir, they initiate an asymmetric internal flow within it.

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Li, Shiyuan [Verfasser]. "Numerical studies of the deformation of salt bodies with embedded carbonate stringers / Shiyuan Li." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2013. http://d-nb.info/1034057251/34.

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Thiemeyer, Nicolas Verfasser], Gernold [Gutachter] [Zulauf, and Jörg [Gutachter] Hammer. "Microfabrics and deformation mechanisms of Gorleben rock salt / Nicolas Thiemeyer. Gutachter: Gernold Zulauf ; Jörg Hammer." Frankfurt am Main : Universitätsbibliothek Johann Christian Senckenberg, 2016. http://d-nb.info/1113107669/34.

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Thiemeyer, Nicolas [Verfasser], Gernold [Gutachter] Zulauf, and Jörg [Gutachter] Hammer. "Microfabrics and deformation mechanisms of Gorleben rock salt / Nicolas Thiemeyer. Gutachter: Gernold Zulauf ; Jörg Hammer." Frankfurt am Main : Universitätsbibliothek Johann Christian Senckenberg, 2016. http://d-nb.info/1113107669/34.

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Ferrer, Garcia J. Oriol. "Salt tectonics in the Parentis Basin (eastern Bay of Biscay): Origin and kinematics of salt structures in a hyperextended margin affected by subsequent contractional deformation." Doctoral thesis, Universitat de Barcelona, 2012. http://hdl.handle.net/10803/97042.

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The geological history of the north-Iberian margin and the eastern sector of the Bay of Biscay suggest that these areas are ideal places to study and characterize the tectonic evolution and the geodynamic mechanisms governing the opening of the Atlantic Rift. This fact can be seen very well since several evolutionary stages have been preserved within the rifting system along the North-Iberian Margin. Similarly, the study of these lateral variations also reveals how they conditioned the subsequent development of the Pyrenean orogen. At a more specific level, the Bay of Biscay appears as a good place to understand how the processes of mantle exhumation and subsequent mantle accretion occurred in the Atlantic Ocean, as well as to understand the role played by the resulting structures during the growth of the Pyrenean orogen. Furthermore, in its eastern sector, the Bay of Biscay allows the observation of the Mesozoic Parentis Basin slightly deformed by the Pyrenean compression. The study of this basin provides a first approach to understand how the Mesozoic basins were currently involved in the Pyrenean building previously to the Pyrenean compression (eg. Organyà Basin, Aulet Basin, etc…). These basins include highly deformed evaporitic materials from the Upper Triassic (Keuper facies) whose role during both the Mesozoic extension and the Cenozoic compression have been poorly studied. In this context, this thesis initially intended to elucidate how changes in the configuration of the crustal structure at the end of the Bay of Biscay opening have been able to control the change on structural style that took place from the Pyreness s.s. to the Cantabrian Pyrenees, to better understand the processes that governed the evolution of the Pyrenees. Second, at a smaller scale, this thesis aims to know which was the general structure of the Mesozoic intracontinental basins developed during the opening of the Bay of Biscay and which was its initial response during the Pyrenean compression. To achieve this goal we have analyzed several deep seismic surveys (ESCIN, ECORS and MARCONI) and the seismic data of the Parentis Basin. Apparently, the Mesozoic structure of this basin was slightly modified by the Pyrenean compression. In such asymmetric basin, salt tectonics has an important development and both its general structure and the salt structures have been poorly studied by the scientific community. In this sense, this thesis seeks to fill this gap pointing out the crustal fault structure of the Parentis Basin and establishing the style and the evolution of salt structures preserved in the basin. 1) Understanding the role played by the presence of a pre- or syn-kinematic salt level in the geometry and evolution of a thick-skinned extensional basin. 2) Determining the role played by the geometry of the main basin boundary faults in the formation of salt structures in its hangingwall during extension. 3) Investigating how salt structures developed during an extensional stage evolved with a subsequent contractional deformational stage which applied different degrees of shortening. The main results of the present thesis can be grouped into three action lines: 1) the characterization of structural variations along the Bay of Biscay-Pyrenean Rift System and its influence in the Pyrenean orogen development; 2) the definition of the Parentis Basin structure, in particular its western parts that were practically unknown; and 3) the analysis of the role played by the Upper Triassic pre-rift salt during both the extensional opening of the Bay of Biscay (specifically in the Parentis Basin) and the subsequent contractional development of the Pyrenean orogen.
Aquesta tesi pretén aclarir com els canvis en la configuració de l’estructura cortical al final de l’obertura del Golf de Biscaia van controlar els canvis en l’estil estructural que tenen lloc des dels Pirineus en sentit estricte fins als Pirineus Cantàbrics per tal d’entendre millor els processos que van governar l’evolució d’aquest orogen. A més, i a una escala més petita, intenta conèixer quina era l’estructura general de les conques intracontinentals mesozoiques que es van desenvolupar durant l’obertura del Golf de Biscaia i quina va ser la seva resposta inicial durant la compressió pirinenca. Per tal d’assolir aquests objectius s’han analitzat diverses campanyes de sísmica profunda (ESCIN, ECORS i MARCONI) així com de sísmica petroliera disponible a la Conca de Parentis. També s’han realitzat diversos models analògics per tal de recolzar les interpretacions realitzades. L’estructura mesozoica de la Conca de Parentis va ser lleument modificada per la compressió pirinenca. Cal remarcar que la tectònica salina va tenir un paper molt important en el desenvolupament d’aquesta conca. D’altra banda, tant la seva estructura general com les estructures salines no havien estat objecte d’estudi per la comunitat científica fins a la realització d’aquesta tesi. En aquest sentit doncs, aquesta tesi omple aquest buit posant especial interès en les estructures corticals que controlen el seu desenvolupament i estableix l’estil i l’evolució de les estructures salines preservades en ella. Els resultats principals de la tesi es poden agrupar en tres línies principals: 1) la caracterització de les variacions estructurals al llarg del sistema de rift Golf de Biscaia - Pirineus i la seva influencia en el desenvolupament de l’orogen pirinenc; 2) la definició de l’estructura de la Conca de Parentis i en particular del seu sector occidental; i 3) l’anàlisi del paper que va jugar la salt pre-rift del Triàsic Superior tant durant l’obertura del Golf de Biscaia (especialment a la Conca de Parentis), com durant el desenvolupament contractiu de l’orogen pirinenc.
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Jochems, Andrew P. "Formation, Deformation, and Incision of Colorado River Terraces Upstream of Moab, Utah." DigitalCommons@USU, 2013. https://digitalcommons.usu.edu/etd/1754.

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Fluvial terraces contain information about incision, deformation, and climate change. In this study, a chronostratigraphic record of Colorado River terraces is constructed from optically stimulated luminescence (OSL) dating of Pleistocene alluvium and real-time kinematic (RTK) GPS surveys of terrace form. This record is analyzed to relate terrace formation to late Pleistocene climate fluctuations, and terrain analyses and longitudinal profile patterns reveal recent salt-related activity in the northern Paradox Basin as well as patterns in Colorado Plateau incision. A well-preserved, correlative suite of mainstem (M) fluvial deposits exists along the Colorado River upstream of Moab, Utah. Absolute dates indicate sedimentation >70 ka (M7, M6/M5), 70-50 ka (M4), 50-40 ka (M3), and 35-25 ka (M2). The M4 and M2 formed during the crescendo to glacial maxima, but the M7, M6/M5, and M3 were deposited during variable climate of marine isotope stages (MIS) 5 and 3. Deposits include thin (<7 m) strath terraces and thick (10-20 m) fill terraces. Our results suggest that terrace sedimentation is linked to enhanced sediment flux during glaciations in Rocky Mountain headwaters (M4 and M2), but major deposits also formed during dryland tributary sediment loading with markedly different timing (M6/M5 and M3). Conversely, incision may be driven by higher deglacial flows. Clast provenance data demonstrate greater percentages of locally-sourced sediment in M6/M5 and M3 deposits. Valley-bottom geometry and neotectonics control terrace form, with strath terraces found in bedrock-restricted reaches and fill terraces in wider valleys. Previously speculated salt deformation in this area is confirmed by localized collapse preserved in M4 stratigraphy in the Cache Valley graben and ~15 m of broader subsidence upstream. Concavity and knickzone distributions in tributary profiles are discordant and represent subtle expressions of salt-tectonic activity. Finally, a surprisingly rapid incision rate of ~900 m/Ma over the past ~70 ka suggests that the Colorado River may be responding to flexural rebound in the central plateau, but is faster than that predicted by the debated bull's-eye pattern of regional incision. This locally high rate may also reflect a transient wave of incision, as suggested by increased Pleistocene rates interpreted by studies in Glen and Grand canyons.
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Bahroudi, Abbas. "The Effect of Mechanical Characteristics of Basal Decollement and Basement Structures on Deformation of the Zagros Basin." Doctoral thesis, Uppsala University, Department of Earth Sciences, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3394.

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Two fundamental structural elements, basement architecture and basal decollement, play a significant role in the evolution of a tectonically active region. Using different approaches (field data, literature review and analogue models) this thesis demonstrates that these two elements affected the deformation style in the Zagros fold-thrust belt during Mesozoic extensional and Cenozoic contractional episodes.

Reassessment of available data suggests a new configuration for the basement to Zagros basin that consists of basement faults with three different trends. Complicated interrelationships of these basement faults divide the Zagros basin into two major basement blocks, active and passive. This model associated with geological evidence suggests that deformation in the basement due to the convergence between Arabia and Iran is not restricted to the Zagros Mountains but already involves a considerable part of the Arabian platform. However, deformation in the cover units is not only governed by the deformation in the basement, which are decoupled from each other by the Hormuz salt in many parts in the Zagros fold-thrust belt.

Geological evidence shows that there is a clear relationship between activity of the Hormuz structures and the basement faults in the Zagros basin. Extended analogue models indirectly show how Hormuz types of basal decollement associated with the opening of Neo-Tethys can control the distribution, number, width and geometry of faults, penetrative strain, and diapirism. Analogue models shortened from one-end show that the spatial distribution of the Hormuz salt in the Zagros belt map viscous and frictional decollements to the thin-skinned deformation. Shortening of the cover results in formation of partitioning of strain into transpressional zones, different topographic wedges and differential sedimentation of growth sediments along the Zagros belt. Model results supported by geological and geophysical data sets suggest that some of the faults previously attributed to basement could have developed above the initial lateral boundaries between viscous and frictional basal decollements.

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Cook, Ethan L. "Near-Salt Stratal Geometries and Implications for the Evolution of the Onion Creek Diapir Moab, UT." BYU ScholarsArchive, 2017. https://scholarsarchive.byu.edu/etd/6327.

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The Onion Creek Diapir is one of many salt domes proximal to the Uncompahgre thrust front of the ancestral rockies in the Paradox Basin. It is comprised of Paradox Formation evaporites and large blocks of Honaker Trail Formation carbonates that were deformed by loading of Permian Cutler Formation progradational alluvial to fluvial fans. The history of salt movement in the Onion Creek Diapir is recorded in the near-salt strata. Large salt bodies and their adjacent mini-basins evolve conforming to a complex relationship between salt withdrawal, creating localized accommodation, and sediment deposition. Migrating mini-basin depo-centers, thinned and folded strata, and spatial facies trends reveal the relative rates of diapirism and sedimentation. The study area outcrop, north of the diapir, is divided by significant stratigraphic horizons that help define depositional periods. Six measured sections in the study area reveal higher preservation rates of fine grained floodplain deposits, typically destroyed in alluvial environments, than at locations correlating to stratigraphic levels high in the outcrop suggesting a low accommodation environment evolving into higher accommodation where stacked channel complexes are preserved. Preserved slump folding at the base of the outcrop reveals that although some salt emergence occurred in the earliest depositional period it was not significant enough to preclude sediment deposition or to divert the Cutler fluvial network and destroy floodplain facies. A 3-D digital outcrop, modeled from photogrammetric data, illustrates the development of localized accommodation, attracting fluvial channel in a near-salt, tight axial syncline during the later depositional period. These evidences suggest a greater emergence of the diapir and likely diversion of the Cutler channel complexes.
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Mokni, Nadia. "Deformation and flow driven by osmotic processes in porous materials." Doctoral thesis, Universitat Politècnica de Catalunya, 2011. http://hdl.handle.net/10803/6279.

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Abstract:
En el caso del almacenamiento de los residuos radioactivos los flujos osmóticos pueden ser relevantes y requieren un análisis en detalle. El residuo nuclear bituminizado (BW) será almacenado mediante contenedores en cavidades excavadas en la Boom Clay, que es una arcilla marina que presenta propiedades favorables para limitar y retrasar la migración de los contaminantes radioactivos. La interacción entre los dos materiales es un proceso acoplado químico-hidro-mecánico y depende de la respuesta hidromecánica de la Boom Clay y del BW. En condiciones de almacenamiento, el contacto del BW, que contienen cantidades importantes de NaNO3, con el agua subterránea induce la hidratación por gradientes osmóticos y el consiguiente hinchamiento, además de la difusión de la sal disuelta hacia la Boom Clay. Se pueden distinguir dos tipos de afecciones: la perturbación geomecánica causada por el hinchamiento del BW y el aumento de presión en el BW y cambio de las distribución de tensiones en la roca, y la perturbación físico química por la migración de grandes cantidades de sales. El objetivo de esta tesis es: (i) Mejorar la comprensión de los procesos que controlan la absorción de agua y el consecuente hinchamiento del BW que contengan sales (NaNO3), y (ii) Investigar los posibles efectos de la concentración de fluidos de los poros sobre el hinchamiento, la compresibilidad y comportamiento de corte de la Boom Clay. En primer lugar, se ha desarrollado una formulación para el análisis de la deformación inducida por la disolución de sales en medio poroso con contacto con agua. Las ecuaciones planteadas incluyen los flujos acoplados de agua y soluto. Se presenta también un trabajo teórico que ayuda a la comprensión del comportamiento mecánico del BW. Se considera este material como una mezcla de bitumen y cristales de NaNO3. Se ha desarrollado un modelo elasto-viscoplástico que describe el comportamiento de fluencia del BW considerando el comportamiento de fluencia de sus constituyentes. El modelo constitutivo elasto-viscoplástico ha sido implementado en el programa CODE_BRIGHT. Los resultados se han comparado con observaciones experimentales. Se ha estudiado el comportamiento a largo plazo del BW en contacto con agua al simular ensayos de hinchamiento por absorción de agua bajo condiciones confinadas. El análisis numérico ha demostrado ser capaz de proporcionar una representación satisfactoria de los principales patrones observados en su comportamiento. En lo que respecta al segundo objetivo de la tesis, se ha propuesto una formulación para el análisis de las deformaciones inducidas por procesos osmóticos en un medio poroso de doble estructura. Esta formulación distingue dentro del material un nivel micro-estructural y otro macro-estructural con cambios químicos que tienen un efecto significativo en la micro-estructura. Se han obtenido las ecuaciones básicas que describen los flujos acoplados de agua y solutos y el transporte de sus componentes a través de los macroporos así como las ecuaciones de balance de masa para agua y soluto en los macroporos y microporos. La formulación propuesta ha sido aplicada particularmente para analizar cualitativamente el efecto de la succión osmótica sobre el hinchamiento de los suelos arcillosos. Se han analizado los efectos a corto y largo plazo. Se ha investigado también la influencia del aumento de la concentración del fluido en los poros sobre las propiedades geotécnicas y el comportamiento de la Boom Clay no saturada. Se ha llevado a cabo un programa sistemático de investigación experimental, con control de succión osmótica y matricial, con el fin de investigar el efecto del incremento de la concentración del fluido de poros sobre la resistencia de corte y el cambio volumétrico bajo condiciones edométricas. Se ha observado, que bajo condiciones parcialmente saturadas, un cambio en la salinidad provoca una disminución en la compresibilidad y en la resistencia de corte del material.
For deep storage of high-level nuclear waste osmotic flows can be significant and so require a careful analysis. In Belgium, The bituminized nuclear waste (BW) named Eurobitum contained in metallic drums will be placed inside a tunnel or a shaft excavated in the Boom Clay, which is 100 m thick marine clay presenting favourable properties to limit and delay the migration of the leached radionuclides over extended periods of time. In Geological disposal conditions, contact of the bituminized radioactive waste which contains high amounts of highly soluble salt (NaNO3) with groundwater will result in water uptake and swelling of the waste and in subsequent diffusion of the dissolved salt through the host clay formation. Basically, two types of disturbance can be distinguished: A geo-mechanical perturbation, caused by the swelling of the waste and the increase of the pressure in and around the waste and a physico-chemical perturbation by the release of large amounts of NaNO3 and other soluble salts. In this context the aim of this thesis is: (i) to improve the understanding of the processes controlling the water uptake and the subsequent swelling of bituminized waste containing soluble salts (NaNO3), and (ii) to investigate of the possible effects of the increase of pore fluid concentration on swelling, compressibility and shear behaviour of Boom Clay. A formulation has been proposed for the analysis of deformation induced by dissolution of salts in porous media in contact with water. The equations include the effect of coupled transport phenomena and the formulation has been included as an extension in the coupled THM program CODE_BRIGHT. A theoretical and experimental work aiming at understanding the mechanical behaviour of the Bituminized Waste has been presented.This material is considered for this purpose as a mixture of bitumen and crystals of NaNO3. An elasto-viscoplastic model has been developed that describes the creep behaviour of BW considering the constituents' creep behaviour. The elasto-viscoplastic constitutive model has been implemented into CODE_BRIGHT. The modelling results have been compared with the experimental data. The impact of osmotic forces on the swelling of the material has been investigated by simulating water uptake swelling tests under confined conditions and comparing the predictions with experimental results. The numerical analysis has proven to be able to furnish a satisfactory representation of the main observed patterns of the behaviour. In regard to the second objective of this thesis, a formulation has been proposed for the analysis of deformations induced by osmotic processes in double structure porous media. The formulation is based on the distinction within the material of a microstructural and a macrostructural levels with chemical changes having a significant effect on the microstructure. A macroscopic description of the system is provided. Then the basic equations describing coupled flows of water and solutes and the transport of its components through macropores and mass balance equations for water and solute in macro and micro pores have been obtained. The proposed formulation has been particularly applied to analyze qualitatively the effect of osmotic suction on swelling of clayey soils. Transient and long term effects have been analyzed. The influence of pore fluid concentration on the geotechnical properties and behavior of Boom Clay under partially saturated conditions has been investigated. A systematic experimental research program involving osmotic suction and matric suction controlled experiments has been carried to investigate the effect of the increase of pore fluid concentration on shear strength and on the volume change behaviour under odometer stress state conditions. It has been observed that under partially saturated conditions a change in salinity causes a decrease in compressibility and shear strength.
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Books on the topic "Salt deformation"

1

Doelling, Hellmut H. Salt deformation in the Paradox Region. [Salt Lake City, Utah] (606 Black Hawk Way, Salt Lake City, 84108-1280): Utah Geological and Mineral Survey, 1988.

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Doelling, Hellmut H. Salt deformation in the Paradox Region. Salt Lake City, UT: Utah Dept. of Natural Resources, 1988.

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Franssen, Raymond. Rheology of synthetic rocksalt: With emphasis on the influence of deformation history and geometry on the flow behavior. [Utrecht: Faculteit Aardwetenschappen der Universiteit Utrecht, 1993.

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Peach, Colin Jack. Influence of deformation on the fluid transport properties of salt rocks. [Utrecht: Facultiet Aardwetenschappen der Rijksuniversiteit Utrecht], 1991.

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Jackson, M. P. A. Natural strain in diapiric and glacial rock salt, with emphasis on Oakwood Dome, East Texas. Austin, Tex: Bureau of Economic Geology, University of Texas at Austin, 1985.

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Salt deformation in the Paradox Region. Utah Geological Survey, 1988. http://dx.doi.org/10.34191/b-122.

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Baker, Dan M. Balanced structural cross-sections of the central Salt Range and Potwar Plateau of Pakistan: Shortening and overthrust deformation. 1987.

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Qayyum, Mazhar. Crustal shortening and tectonic evolution of the Salt Range in Northwest Himalaya, Pakistan. 1991.

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Leathers, Michael R. Balanced structural cross section of the western Salt Range and Potwar Plateau, Pakistan : deformation near the strike-slip terminus of an overthrust sheet. 1987.

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Book chapters on the topic "Salt deformation"

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Cristescu, N. "Constitutive Equations for Rock Salt." In Anisotropy and Localization of Plastic Deformation, 201–4. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3644-0_47.

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Heard, H. C., and F. J. Ryerson. "Effect of cation impurities on steady-state flow of salt." In Mineral and Rock Deformation: Laboratory Studies, 99–115. Washington, D. C.: American Geophysical Union, 1986. http://dx.doi.org/10.1029/gm036p0099.

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Sun, Wenjing, and Cheng Liu. "Deformation and Saturated Permeability Characteristics of Bentonite-Sand Mixtures Saturated on Salt Solution." In Proceedings of the 8th International Congress on Environmental Geotechnics Volume 3, 286–92. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-2227-3_35.

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Lehner, Florian K. "Approximate theory of substratum creep and associated overburden deformation in salt basins and deltas." In Aspects of Tectonic Faulting, 21–47. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-59617-9_3.

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Hesser, Jürgen, Diethelm Kaiser, Heinz Schmitz, and Thomas Spies. "Measurements of Acoustic Emission and Deformation in a Repository of Nuclear Waste in Salt Rock." In Engineering Geology for Society and Territory - Volume 6, 551–54. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09060-3_99.

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Xiang, G. S., and Y. Wang. "A Prediction Method for Swelling Deformation of Bentonite and Its Sand-Mixtures in Salt Solution." In Proceedings of the 8th International Congress on Environmental Geotechnics Volume 2, 551–57. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-2224-2_68.

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Cristescu, N., and U. Hunsche. "Determination of Nonassociated Constitutive Equation for Rock Salt from Experiments." In Finite Inelastic Deformations — Theory and Applications, 511–23. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-84833-9_46.

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Hunsche, Udo E. "True Triaxial Failure Tests on Cubic Rock Salt Samples. Experimental Methods and Results." In Finite Inelastic Deformations — Theory and Applications, 525–36. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-84833-9_47.

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COULON, Antoine, Emmanuel DE BILBAO, Rudy MICHEL, Marie-Laure BOUCHETOU, Séverine BRASSAMIN, Camille GAZEAU, Didier ZANGHI, and Jacques POIRIER. "Effect of Slag Impregnation on Macroscopic Deformation of Bauxite-Based Material." In Advances in Molten Slags, Fluxes, and Salts, 1093–99. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119333197.ch116.

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Coulon, Antoine, Emmanuel De Bilbao, Rudy Michel, Marie-Laure Bouchetou, Séverine Brassamin, Camille Gazeau, Didier Zanghi, and Jacques Poirier. "Effect of Slag Impregnation on Macroscopic Deformation of Bauxite-Based Material." In Advances in Molten Slags, Fluxes, and Salts: Proceedings of the 10th International Conference on Molten Slags, Fluxes and Salts 2016, 1093–99. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-48769-4_116.

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Conference papers on the topic "Salt deformation"

1

Eblaou, E., and G. Debono. "Laminar Flow Modelling of Initial Salt Deformation." In EAGE Conference on Geology and Petroleum Geology of the Mediterranean and Circum-Mediterranean Basins. European Association of Geoscientists & Engineers, 2000. http://dx.doi.org/10.3997/2214-4609.201405989.

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Ghuedifi, H., I. Hamdi Nasr, M. Hedi Inoubli, N. Barhoumi, and et al. "Salt deformation history and salt related structures signification ,offshore Golf of Gabes,Tunisia." In 79th EAGE Conference and Exhibition 2017 - Workshops. Netherlands: EAGE Publications BV, 2017. http://dx.doi.org/10.3997/2214-4609.201701706.

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Nikolinakou, Maria A., Mahdi Heidari, Peter B. Flemings, and Michael R. Hudec. "Coupling Flow and Deformation in Evolving Salt Basins." In Sixth Biot Conference on Poromechanics. Reston, VA: American Society of Civil Engineers, 2017. http://dx.doi.org/10.1061/9780784480779.036.

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Zhang, Yang, and Adam D. Halpert. "Enhanced interpreter-aided salt boundary extraction using shape deformation." In SEG Technical Program Expanded Abstracts 2012. Society of Exploration Geophysicists, 2012. http://dx.doi.org/10.1190/segam2012-1337.1.

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Tomchenko, O., P. Zhyrnov, I. Pidlisetska, and O. Mykolaenko. "REMOTE ASSESSMENT OF EARTH’S SURFACE DEFORMATION DYNAMICS ABOVE SOLOTVYNO SALT MINE." In Monitoring 2019. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201903269.

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Matava, T. "Physically Based Autochthonous and Allochthonous Salt Deformation Integrated with Basin Simulators." In EAGE Research Workshop - From Seismic Interpretation to Stratigraphic and Basin Modelling, Present and Future. European Association of Geoscientists & Engineers, 2006. http://dx.doi.org/10.3997/2214-4609.201403030.

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Swanger, William, James Thigpen, Autumn L. Helfrich, and Brandon M. Spencer. "QUANTIFYING STRAIN ACCOMMODATION AND DEFORMATION OF WALL ROCKS AND OVERBURDEN SEQUENCES PROXIMAL TO SALT DIAPIRS IN SALT VALLEY, UTAH." In GSA 2020 Connects Online. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020am-356367.

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Shen, X., C. Zhu, and C. Arson. "Analysis of Microstructure, Deformation, and Permeability of Salt/Sand Mixtures during Creep." In Sixth Biot Conference on Poromechanics. Reston, VA: American Society of Civil Engineers, 2017. http://dx.doi.org/10.1061/9780784480779.122.

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Wang, Jianjun, Xiangzhen Yan, Caihong Lu, Haifeng Zhao, Zhiyong Luan, and Hanxiu Peng. "Study on the Deformation of Completion Casing for Salt Cavern Gas Storage." In International Conference on Pipelines and Trenchless Technology 2011. Reston, VA: American Society of Civil Engineers, 2011. http://dx.doi.org/10.1061/41202(423)32.

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Ma, Jiwei, and Zhiyin Wang. "Comparative Analysis and Application of the Rock Salt Deformation Parameter Determination Method." In International Conference on Pipelines and Trenchless Technology 2014. Reston, VA: American Society of Civil Engineers, 2014. http://dx.doi.org/10.1061/9780784413821.062.

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Reports on the topic "Salt deformation"

1

Hardin, Ernest, Kristopher L. Kuhlman, and Francis D. Hansen. Technical Feasibility of Measuring Low-Stress Low Strain-Rate Deformation Relevant to a Salt Repository. Office of Scientific and Technical Information (OSTI), September 2014. http://dx.doi.org/10.2172/1164537.

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MUNSON, DARRELL E. Multimechanism-Deformation Parameters of Domal Salts Using Transient Creep Analysis. Office of Scientific and Technical Information (OSTI), September 1999. http://dx.doi.org/10.2172/12660.

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