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Rozprawy doktorskie na temat „Slope modelling”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 4 lutego 2022

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1

Benko, Boris. "Numerical modelling of complex slope deformations." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq24004.pdf.

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Stevens, I. G. "Modelling pollutant dispersion and slope currents." Thesis, University of East Anglia, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.372560.

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3

Tsaparas, Ilias. "Field measurement and numerical modelling of infiltration and matric suctions within slopes." Thesis, Durham University, 2002. http://etheses.dur.ac.uk/1715/.

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Armstrong, Robert Claude 1961. "Slope stability modelling at the Cyprus Bagdad Mine." Thesis, The University of Arizona, 1991. http://hdl.handle.net/10150/281472.

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The Bagdad Mine, an open pit mine located in northwestern Arizona, has experienced a slope failure related to a weak weathered tuff bed. The unit has been altered to a clay-like material in areas of the pit. Overburden pressures have caused the tuff to be squeezed out, and blocks of the overlying basalt unit have toppled forward. The failure has been remedied by reducing the pit slope to about 20°, but this solution is not desirable. Modelling of the slope is done using a general purpose finite element method program. The Drucker-Prager theory is used to model the tuff bed, while the other uni

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5

Larsson, Martin. "Road Slope Estimation." Thesis, Linköping University, Automatic Control, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-53884.

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<p>Knowledge about the current road slope can improve several applications in a heavy-duty vehicle such as predictive cruise control and automated gearbox control. In this thesis the possibility of estimating the road slope based on signals from a vehicles air suspension system has been studied. More specifically, the measurement consists of a pressure signal measuring the axle load, and a vertical distance sensor.</p><p>A variety of suspension systems can be mounted on a Scania truck. During this thesis, two discrete-time models based on two different rear axle air suspension systems have bee

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6

Arnold, Patrick. "Probabilistic modelling of unsaturated slope stability accounting for heterogeneity." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/probabilistic-modelling-of-unsaturated-slope-stability-accounting-for-heterogeneity(fb3d214c-8a42-4a2c-81c2-bda45e9ae7af).html.

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The performance and safety assessment of geo-structures is strongly affected by uncertainty; that is, both due a subjective lack of knowledge as well as objectively present and irreducible unknowns. Due to uncertainty in the non-linear variation of the matric suction induced effective stress as a function of the transient soil-atmosphere boundary conditions, the unsaturated state of the subsoil is generally not accounted for in a deterministic slope stability assessment. Probability theory, accounting for uncertainties quantitatively rather than using "cautious estimates" on loads and resistan

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7

Jones, Alun M. C. "Centrifuge modelling of soil nailing : an investigation of lifetime performance." Thesis, Cardiff University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.248162.

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8

Franz, Juergen Mining Engineering Faculty of Engineering UNSW. "An investigation of combined failure mechanisms in large scale open pit slopes." Publisher:University of New South Wales. Mining Engineering, 2009. http://handle.unsw.edu.au/1959.4/43368.

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Failure mechanisms in large scale open pit slopes are more complex than could be considered through conventional slope design methods. Pit slope behaviour must be predicted accurately, because for very deep open pits, a small change of slope angle can have serious technical and economic consequences. Failure of hard rock slopes often involves both failure along naturally existing weakness planes and failure of intact rock. Without an advanced understanding of combined rock slope failure mechanisms, the validity of commonly applied methods of large scale slope analysis is questionable. The prob

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9

Wu, K. O. "The modelling of anisotropic jointed rock slopes by physical and numerical methods." Thesis, University of the West of Scotland, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234764.

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In this study the stabili ty and stress distribution of anisotropic jointed rock slopes under external loading were examined. The influence of joint orientation and mechanical characteristics on the engineering behaviour of jointed rock slopes were included in the investigation. A total of four physical models were developed by using blocks of light-weight concrete and gypsum mortar to simulate intact rocks and joints respectively. The models were built within a confining frame such that plane strain conditions were maintained throughout the experiments. The stress-strain relationship and the

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10

Rowland, James D. "Modelling solar irradiance on a slope under a leafless deciduous forest." Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59293.

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This thesis investigates variations in solar irradiance incident upon sloping surfaces under deciduous forest in winter. A model is presented for prediction of solar irradiance at the surface which accounts for slope inclination and orientation, surrounding topography, isotropic absorption of solar radiation by the crown space, and shadows cast by the stem space.<br>Field data from two sites of different slope and aspect attest to the validity of the model; errors, based on 20-minute averages of instantaneous values, are 15.5% (RMSE) and $-$1.9% (MBE). Error is partially due to reliance upon g

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11

Wooller, Luke K. "Synaptic and analogue modelling studies of volcano deformation and slope stability." Thesis, Open University, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.407060.

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12

Styles, Thomas Daniel. "Numerical modelling and analysis of slope stability within fracture dominated rock masses." Thesis, University of Exeter, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.496103.

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Numerical modelling of rock slopes can involve a number and variety of techniques, the selection and requirement of which depends on the factors deemed to control the potential for Instability. This thesis presents a number of case studies involving slopes in fractured rock, encompassing a range of scales. The case study slopes have provided a means to question the way in which particular slope instabilities should be analysed. Currently there are few methods available for analysing the complex behaviour within slopes of fractured rock. A review of available techniques is given within this the

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13

Maguire, Andrew J. "Numerical modelling of the stable atmospheric boundary layer overlying a uniform slope." Thesis, University of Sheffield, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287633.

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14

Zhang, Xiaoyang. "Soil-erosion modelling at the global scale using remote sensing and GIS." Thesis, King's College London (University of London), 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321948.

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15

Hartshorne, James Byng. "Assessing the influence of digital terrain model characteristics on tropical slope stability analysis." Thesis, University of Bristol, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336822.

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16

Alcantara-Ayala, Irasema. "Modelling mass movement risk under semi-arid mountainous conditions : the Alpujarride complex, Spain." Thesis, King's College London (University of London), 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267249.

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17

Szuman, Magdalena Katarzyna. "Forward seismic modelling and spectral decomposition of deepwater slope deposits in outcrop and subsurface." Thesis, University of Aberdeen, 2009. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=105419.

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This project aimed to constrain the interpretation uncertainties associated with reflection seismic data of deep-water slope deposits. The basic premise of the project is that seismic data is affected by small-scale architectural elements and even conventional low-frequency data may contain clues of the sub-seismic geometries. These can be decoded by understanding the interaction between internal elements and the seismic wavelet. A series of outcrop-derived forward seismic models was created, representing different types of outcrop based slope deposits. The seismic interpretation of the fo

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18

Nelis, Simon Brett. "Modelling rock slope behaviour and evolution with reference to Northern Spain and Southern Jordan." Thesis, Durham University, 2004. http://etheses.dur.ac.uk/2206/.

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The geomorphological behaviour of steep jointed rock slopes has been studied using distinct element computer models. In order to model steep slopes effectively, methodologies need to be combined from the studies of environmental modellers, geomorphologists and engineers. The distinct element method is ideal for the study of the development of jointed rock masses, where the failure is controlled by the nature of the discontinuities. Theoretical modelling identified that block size is a key control affecting the deformation of rock masses. Deformation of rock masses with smaller block assemblage

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19

CAMONES, LUIS ARNALDO MEJIA. "MODELLING OF STEP-PATH TYPE FAILURE MECHANISMS IN FRACTURED ROCK SLOPE USING DISCRETE ELEMENTS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2010. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=33108@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>PROGRAMA DE EXCELENCIA ACADEMICA<br>Diferentes mecanismos de ruptura são considerados no momento de avaliar a estabilidade de um maciço rochoso fraturado. Entre estes, os mecanismos de ruptura tipo planar, em cunha e tombamentos têm sido estudados intensivamente, existindo atualmente modelos matemáticos que permitem avaliá-los. Estes mecanismos de ruptura são restritos a taludes pequenos e com fraturas contínuas, nas quais o deslizamento ocorre ao longo destas descontinuidades.

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20

Smith, Alister. "Quantification of slope deformation behaviour using acoustic emission monitoring." Thesis, Loughborough University, 2015. https://dspace.lboro.ac.uk/2134/18593.

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Early warning of slope instability will enable evacuation of vulnerable people and timely repair and maintenance of critical infrastructure. However, currently available warning systems are too expensive for wide-scale use or have technical limitations. The acoustic emission (AE) monitoring approach using active waveguides (i.e. a steel tube with granular backfill surround installed in a borehole through a slope), in conjunction with the Slope ALARMS AE measurement system, has the potential to be an affordable early warning system for slope instability. However, the challenge has been to devel

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21

Postill, Harry E. "Weather-driven clay cut slope behaviour in a changing climate." Thesis, Loughborough University, 2018. https://dspace.lboro.ac.uk/2134/35832.

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Long linear earthwork assets constructed in high-plasticity overconsolidated clay are known to be deteriorating due to long-term effects of wetting and drying stress cycles as a result of seasonal weather patterns. These stress cycles can lead to shallow first-time failures due to the mobilisation of post-peak strength and progressive failure. Design requirements of new earthworks and management of existing assets requires improved understanding of this critical mechanism; seasonal ratcheting. Incremental model development and validation to allow investigation of multiple inter-related strengt

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22

Fischer, Luzia. "Slope instabilities on perennially frozen and glacierised rock walls : multi-scale observations, analyses and modelling /." Zürich : Geograph. Inst. der Univ. Zürich, 2009. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=018957681&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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23

Qu, Feixiong. "Effects of modified river cross-section geometry on hydraulic modelling performance: the slope break method." Thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-297668.

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Remote sensing data has been widely used for large scale hydraulic modelling in the world. One of the most common ways to collect remote sensing data is by satellite. The digital elevation data observed from space is publicly accessible and covers almost all areas of the earth. However, the satellite cannot observe the river bathymetry. The satellite-derived river cross-sections only contain the bank information above the surface water level. The level of accuracy of river cross- sections derived from remote sensing data is not enough and it is possible to have a large influence on the model p

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24

Fournier, Mathew. "Investigations into the Shear Strength Reduction method using distinct element models." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/2492.

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This thesis reports a detailed investigation into the use of the Shear Strength Reduction (SSR) method to determine factor of safety values in discontinuum models using the Universal Distinct Element Code. The SSR method depends on the definition of failure within the model and two different criteria were compared: the numerical unbalanced force definition and a more qualitative displacement-monitoring based method. A parametric study was first undertaken, using a simple homogeneous rock slope, with three different joint networks representing common kinematic states. Lessons learned from

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25

Brooks, Susan Mary. "Modelling the role of mass movement in slope development : the interaction between pedogenesis and hillslope hydrology." Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386236.

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26

Bijker, Hermina Johanna. "A Hydrological-slope stability model for shallow landslide prediction in the Injisuthi Valley, KwaZulu-Natal Drakensberg." Diss., University of Pretoria, 2001. http://hdl.handle.net/2263/29748.

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27

Chiaravalloti, Rosario. "Numerical modelling and back analysis of a rock slope failure occurred in 2005 at Scascoli (Bologna, Italy)." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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The rock slope failure object of this study occurred on the 12th of March, 2005, within the Scascoli Gorges in the Savena Valley, 25 km south of Bologna, in the Northern Apennines, Italy. The failure involved a volume of rock of nearly 30000 m3 that detached from an 80 m high cliff and fell on the river bed and onto the adjacent road, denoted as “Strada Provinciale – Fondovalle Savena”, damming the first and destroying the latter. The conformation of the cliff, known as “Mammellone 1”, was rather convex, overhanging and undercut at the base where in contact with the river bed. The event is the

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28

Park, Alistair J. C. "The application of Geographical Information System approach to the modelling of tropical slope instability over wide areas." Thesis, University of Bristol, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294851.

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Sonnessa, Alberico <1975&gt. "Slope stability analysis by multi-temporal DEMs and 3D modelling: The 2002 and 2007 Stromboli landslide events." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amsdottorato.unibo.it/2676/.

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Natural hazard related to the volcanic activity represents a potential risk factor, particularly in the vicinity of human settlements. Besides to the risk related to the explosive and effusive activity, the instability of volcanic edifices may develop into large landslides often catastrophically destructive, as shown by the collapse of the northern flank of Mount St. Helens in 1980. A combined approach was applied to analyse slope failures that occurred at Stromboli volcano. SdF slope stability was evaluated by using high-resolution multi-temporal DTMMs and performing limit equilibrium stabil

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30

Hou, Xiaoping. "Composite element method for modelling transient groundwater flow in fractured media and its application to slope stability problem." Thesis, Lille 1, 2017. http://www.theses.fr/2017LIL10051/document.

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Ce travail de thèse propose un modèle numérique complet pour l'écoulement transitoire des eaux souterraines dans les milieux poreux et fracturés et son application sur l’analyse de la stabilité des pentes sous l’effet d’une diminution du niveau de l’eau dans un réservoir. L’écouement de l’eau dans les milieux fracturés est complexe, en raison de la présence d'un grand nombre de fractures et de fortes variations dans les propriétés géométriques et hydrauliques de ces milieux.La thèse est organisée en six chapitres.Le premier chapitre pésente les problèmes abordés et les objectifs de la thèse. L

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31

Kocal, Arman. "Three Dimensional Numerical Modelling Of Discontinuous Rocks By Using Distinct Element Method." Phd thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12610005/index.pdf.

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Shear strength characterization of discontinuities is an important concept for slope design in discontinuous rocks. This study presents the development of a methodology for implementing Barton-Bandis empirical shear strength failure criterion in three dimensional distinct element code, 3DEC, and verification of this methodology. Normal and shear deformation characteristics of discontinuities and their relations to the discontinuity surface characteristics have been reviewed in detail. First, a C++ dynamic link library (DLL) file was coded and embedded into 3DEC for modelling the Barton-Bandi

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32

Ekberg, Bergman Emelie. "Jämförelse av metod vid stabilitetsanalys i bergslänter." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-352090.

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En bergslänts stabilitet styrs av berggrundens egenskaper, så som sprickegenskaper och bergkvalité. För att uppnå önskad stabilitet i en bergslänt behöver de bergmekaniska parametrarna kartläggas och analyseras för att fastställa risker och stabilitetsåtgärder. Syftet med studien är att utvärdera kvalitén på bergteknisk data från digitalfotogrammetriska 3D-modeller genom att jämföra resultatet med manuella mätningar från konventionell kartläggning. Målet är även att utforska potentialen för användning av fotogrammetrisk 3D-modellering vid stabilitetsanalyser i bergslänter genom att utvärdera d

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33

Chapman, Neil. "Modelling the dynamic interaction between hydrology, slope stability and wave run-up processes in the soft-sea cliffs at Covehithe, Suffolk, UK." Thesis, Birkbeck (University of London), 2014. http://bbktheses.da.ulcc.ac.uk/98/.

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Soft-rock coastal cliff retreat progresses by an intermittent and discontinuous series of slope mass movements, generally accepted to be concentrated during phases of strong wave attack or heavy rain. One of the fundamental limitations to improving understanding of these processes is a lack of accurate quantitative data on the hydrological and geotechnical behaviour of the cliff slope. In this study, high-resolution terrestrial surveys of coastal change over a fifteen year period have been analysed and combined with hydrological and geotechnical simulations of cliff behaviour under rainfall st

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34

Ji, Jinnan. "Finite elements modelling and analysis of the effect of vegetation on forested slopes stability." Thesis, Montpellier 2, 2011. http://www.theses.fr/2011MON20213.

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L'ingénierie écologique, qui est décrite comme «la gestion de la nature», a d'abord été proposée par Odum en 1971. Dans les dernières décennies, l'ingénierie écologique a été largement consacrée à lutter contre l'érosion des sols et les mouvements de masse, tout en permettant d'assurer la durabilité des écosystèmes. L'objectif de cette thèse est d'évaluer l'impact de peuplements forestiers sur la stabilité de pentes de dimension finie, en considérant à la fois les effets mécaniques et hydrologiques des racines peu profondes contre les glissements de terrain. Deux sites forestiers monospécifiqu

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35

Andersson, Elin, and Sofia Hietala. "Application of a new method to improve river cross sections derived from satellite images." Thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-242553.

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In hydrological and hydraulic modelling, river geometry is a crucial input data. Recent investigations have been looking at methods to improve the description of cross sections extracted by DEM derived by satellite images. SRTM derived DEM are often lacking precise information as the sensors cannot detect the submerged river parts, but, on the other hand, it is available on a global scale which makes it very attractive and useful, especially in data scarce regions. This study aims at applying the so called “slope break” method to improve river cross section geometry extracted from SRTM DEM. Th

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36

Moura, Nícolas Rodrigues. "Contribution to the study of the effect of three-dimensional stress states to slope stability analysis." Universidade Federal de Goiás, 2018. http://repositorio.bc.ufg.br/tede/handle/tede/8904.

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Submitted by Franciele Moreira (francielemoreyra@gmail.com) on 2018-09-21T14:50:47Z No. of bitstreams: 2 Dissertação - Nícolas Rodrigues Moura - 2018.pdf: 4165797 bytes, checksum: 86460ffa29b4d346005f977c2f75693e (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2018-09-24T13:21:40Z (GMT) No. of bitstreams: 2 Dissertação - Nícolas Rodrigues Moura - 2018.pdf: 4165797 bytes, checksum: 86460ffa29b4d346005f977c2f75693e (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e

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Pedley, Katherine Louise. "Modelling Submarine Landscape Evolution in Response to Subduction Processes, Northern Hikurangi Margin, New Zealand." Thesis, University of Canterbury. Geological Sciences, 2010. http://hdl.handle.net/10092/4648.

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The steep forearc slope along the northern sector of the obliquely convergent Hikurangi subduction zone is characteristic of non-accretionary and tectonically eroding continental margins, with reduced sediment supply in the trench relative to further south, and the presence of seamount relief on the Hikurangi Plateau. These seamounts influence the subduction process and the structurally-driven geomorphic development of the over-riding margin of the Australian Plate frontal wedge. The Poverty Indentation represents an unusual, especially challenging and therefore exciting location to investiga

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38

Al-Defae, Asad Hafudh Humaish. "Seismic performance of pile-reinforced slopes." Thesis, University of Dundee, 2013. https://discovery.dundee.ac.uk/en/studentTheses/829dd554-a7e9-4c61-9206-01909793666c.

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Shallow embankment slopes are commonly used to support elements of transport infrastructure in seismic regions. In this thesis, the seismic performance of such slopes in non-liquefiable granular soils has been investigated and an extensive programme of centrifuge testing was conducted to quantify the improvements to seismic slope performance which can be achieved by installing a row of discretely spaced vertical precast concrete piles. This study focussed on permanent movement and dynamic response at different positions within the slope, especially at the crest, which would form key inputs int

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Mohd, Taib Aizat Bin. "Numerical modelling of unsaturated tropical slopes." Thesis, University of Newcastle upon Tyne, 2018. http://hdl.handle.net/10443/4153.

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Adapting to climate change is one of the greatest challenges facing engineers. Many studies have been conducted since the 1900s directed at predicting extreme weather events. Changes in global weather patterns, such as temperature and rainfall distributions, can have major economic and societal impacts. One example, addressed in this thesis, is the stability of natural slopes. In Southeast Asia, landslides are common due to the effect of abundant rainfall during the wet monsoon. The local climate in the region is characterised by annual wet and dry seasons, in which the cycle forms an unsatura

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40

Piton, Guillaume. "Sediment transport control by check dams and open check dams in Alpine torrents." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAU041/document.

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Barrages de corrections torrentielles et plages de dépôts jouent un rôle clés dans la protection contre les crues des torrents. Leurs gestionnaires ont pour mission de réduire les risques d'inondations, mais doivent désormais aussi minimiser les impacts environnementaux liés aux ouvrages de protection. Ceci nécessite une meilleure compréhension des effets des barrages de corrections torrentielles et des plages de dépôts sur le transport sédimentaire des torrents. Cette thèse s'inscrit dans cet objectif et se décompose en deux parties. Sa section sur l'état de l'art présente: i) les différents

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41

Liang, Teng. "Seismic performance of vegetated slopes." Thesis, University of Dundee, 2015. https://discovery.dundee.ac.uk/en/studentTheses/04c95230-9768-4c0a-8b8a-b32081d039a9.

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42

Payne, Gregory Sebastien. "Numerical modelling of a sloped wave energy device." Thesis, University of Edinburgh, 2006. http://hdl.handle.net/1842/15607.

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Computer based numerical prediction of wave-body interactions has become a powerful design tool and is widely used in the offshore industry. Its application to wave energy conversion is more recent. The present work investigates the modelling of three configurations of sloped wave energy converters of increasing complexity using the boundary element method package WAMIT. These configurations are all related to the concept of the Sloped IPS buoy wave energy device. In order to understand and assess the validity of numerical modelling for the specific cases considered, a two stage procedure is a

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Fernandes, Mariana Alher. "Estudo dos mecanismos de instabilização em um talude de solo arenoso não saturado localizado na região Centro-Oeste Paulista." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/18/18132/tde-28112016-093540/.

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A presença de encostas com solos na condição não saturada é muito comum na região Sudeste brasileira devida às características climáticas e hidrogeológicas regional. Neste caso, o mecanismo de instabilização pode ser basicamente descrito pela redução da coesão aparente provocada pela infiltração da água da chuva, causada pela diminuição ou até mesmo a anulação dos efeitos da sucção matricial, tornando o talude instável. O presente trabalho apresenta um estudo dos mecanismos instabilizadores em um talude de corte composto por solo residual arenoso localizado na Rodovia Luis Augusto de Oliveira

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Yoon, Boung Shik. "Centrifuge modelling of discrete pile rows to stabilise slopes." Thesis, University of Nottingham, 2008. http://eprints.nottingham.ac.uk/28510/.

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Discrete pile rows are widely used for improving the stability of potentially unstable slopes, where columns of reinforced concrete are constructed in the ground to reinforce it and inhibit instability. The method becomes more cost effective with wider pile spacings, but simultaneously there is also increasing risk that the soil will flow through the gap between adjacent piles, rather than arching across it. The impact of pile spacing along the row, which is likely to have a significant effect on stability, is not clearly understood from a current design perspective. In this study the effects

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Durrani, Imran K. "Numerical modelling of discrete pile rows to stabilise slopes." Thesis, University of Nottingham, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.438556.

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Lloyd, David M. "Modelling the hydrology and stability of tropical cut slopes." Thesis, University of Bristol, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303762.

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Whadcoat, Siobhan Kathleen. "Numerical modelling of rockfall evolution in hard rock slopes." Thesis, Durham University, 2017. http://etheses.dur.ac.uk/11994/.

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The aim of this thesis has been to model small rockfalls in order to better understand where, when and why they occur. High-resolution monitoring of rock slopes has revealed clustering of rockfalls through space and time, suggesting interactions, whereby one detachment from a rock slope influences the nature of those that follow. This observation contrasts with the more conventional idea of rockfalls as time-independent, discrete events that occur in response to an identifiable trigger. As the processes that give rise to observations of rockfall clustering are not well established, this thesis

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Hu, Lianxin. "Micromechanics of granular materials : Modeling anisotropy by a hyperelastic-plastic model." Thesis, Lyon, 2020. http://www.theses.fr/2020LYSEI133.

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Afin de modéliser le comportement des géométariaux sous des charges complexes, plusieurs études et travaux expérimentaux ont été réalisées afin d’établir des modèles constitutifs relatifs. Une caractéristique importante des matériaux granulaires est que la relation entre la contrainte et la déformation et ce même dans le domaine élastique n’est pas linéaire, contrairement aux réponses du métal. Il a également été constaté que la réponse contrainte-déformation des matériaux granulaires montre les caractéristiques de l’anisotropie induite, ainsi que les non-linéarités. En outre, l’anisotropie in

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Le, Thi Minh Hue. "Stochastic modelling of slopes and foundations on heterogeneous unsaturated soils." Thesis, University of Glasgow, 2012. http://theses.gla.ac.uk/3097/.

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Many geotechnical engineering structures, including embankments, slopes and foundations involve unsaturated soils, either because they are constructed of compacted fills which are unsaturated after placement or because they include a zone of unsaturated natural soils above the water table. Moreover, both compacted fills and natural soils are inherently heterogeneous, which leads to an important but complex class of problems whose analysis involves consideration of heterogeneous unsaturated soil. Both partial saturation and material heterogeneity significantly influence the overall behaviour of

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Holcombe, Elizabeth Ann. "Modelling landslide risk on highway cut slopes in developing countries." Thesis, University of Bristol, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.440028.

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