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Dissertations / Theses on the topic 'Rock mechanics; Petroleum engineering'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Akbarnejad, Nesheli Babak. "Rock mechanics aspects of blowout self-containment." [College Station, Tex. : Texas A&M University, 2006. http://hdl.handle.net/1969.1/ETD-TAMU-1835.

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2

Jin, Min. "The numerical modelling of coupled rock mechanics/fluid-flow and its application in petroleum engineering." Thesis, Heriot-Watt University, 1999. http://hdl.handle.net/10399/1258.

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3

Al-Awad, Musaed Naser J. "Physico-chemical analysis of shale-drilling fluid interaction and its application in borehole stability studies." Thesis, Heriot-Watt University, 1994. http://hdl.handle.net/10399/1368.

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Shale is often the most difficult of all formations to maintain a stable wellbore in when drillincr ::> for oil and gas. Time and money spent overcoming this problem during drilling, together with overall reduced profit margins. has led the oil industry to devote considerable time and effort to solve the problem of unstable boreholes in shales. It has long been established that the moisture adsorption (or desorption) of shale rocks can be controlled by the salinity of drilling fluid. When compacted shale (under constant compaction stress) adsorbs moisture, its total volume increases and swelli

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4

Gong, Yiwen. "Toward Better Understandings of Unconventional Reservoirs - Rock Mechanical Properties and Hydraulic Fracture Perspectives." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1605633687308252.

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5

Fan, Zhiqiang. "Primary migration of hydrocarbons through microfracture propagation in petroleum source rocks." Thesis, The University of Maine, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=3573311.

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<p>Petroleum is generated from finely grained source rocks rich in organic materials and accumulated and trapped in reservoir rocks with relatively higher permeability and porosity. Expulsion of petroleum through and out of source rocks is called primary migration. Primary migration, as a link between source rocks and carrier rocks, presents a vital challenge to the society of petroleum geosciences and exploration and attracts the research interests of many geologists and geochemists. Despite extensive research the effective mechanisms responsible for primary migration of hydrocarbons are stil

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6

Li, Hui. "Effects of Water Content, Mineralogy, and Anisotropy on the Mechanical Properties of Shale Gas Rocks." Thesis, University of Louisiana at Lafayette, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10235426.

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<p> In shale gas development, the mechanical properties of shale are crucial in hydraulic fracture propagation, wellbore stability, and the productivity of a shale gas wells. In this dissertation, acoustic velocity tests, uniaxial compressive tests, and Brazilian tensile tests were conducted on Eagle Ford and Mancos shale to investigate gas shale mechanical properties, including dynamic mechanial properties and static mechanical properties (compressive and tensile mechanical properties). Water content, mineralogy, and anisotropic effects on shale mechanical properties were analyzed. </p><p>

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7

Salvati, Peter. "The Examination of Fracture Behavior in Anisotropic Rock with Digital Image Correlation." Thesis, University of Louisiana at Lafayette, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10287221.

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<p>Modern hydraulic fracturing designs assume that drilled formations are both isotropic and homogeneous, and fractures are linear and symmetrical. However, unconventional resources are often obtained from formations that are both anisotropic and heterogeneous, resulting in complex fracture behavior. The objective of this study is to evaluate fracture behavior based on the influence of anisotropy and water saturation. Isotropic and homogeneous Austin Chalk, Berea Sister Gray Sandstone, and Silurian Dolomite, laminated anisotropic and heterogeneous Parker Sandstone, Nugget Sandstone, and Winter

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8

Lindfors, Ulf. "Experimental study of the mechanics of rock joints." Licentiate thesis, Luleå tekniska universitet, 1996. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-25833.

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9

Min, An. "The combined effect of joints and bedding plane parallel discontinuities on rock mass deformation." Thesis, Heriot-Watt University, 1999. http://hdl.handle.net/10399/601.

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10

Bedi, Anmol. "A proposed framework for characterising uncertainty and variability in rock mechanics and rock engineering." Thesis, Imperial College London, 2014. http://hdl.handle.net/10044/1/18998.

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This thesis develops a novel understanding of the fundamental issues in characterising and propagating unpredictability in rock engineering design. This unpredictability stems from the inherent complexity and heterogeneity of fractured rock masses as engineering media. It establishes the importance of: a) recognising that unpredictability results from epistemic uncertainty (i.e. resulting from a lack of knowledge) and aleatory variability (i.e. due to inherent randomness), and; b) the means by which uncertainty and variability associated with the parameters that characterise fractured rock mas

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11

Meyers, Anthony G. "The determination of rock mass strength for engineering design /." Title page, contents and abstract only, 1993. http://web4.library.adelaide.edu.au/theses/09PH/09phm6134.pdf.

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12

Roth, Mark M. Jr. "Depositional Environment of the Carbonate Cap Rock at the Pine Prairie Field, Evangeline Parish, Louisiana| Implications of Salt Diapirism on Cook Mountain Reservoir Genesis." Thesis, University of Louisiana at Lafayette, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10685670.

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<p> The Pine Prairie Field is situated on a salt dome in northern Evangeline Parish, located in south-central Louisiana. Pine Prairie contains the only known Cook Mountain Formation hydrocarbon reservoir in Louisiana. Operators have targeted and produced hydrocarbons from the Cook Mountain reservoir in eight wells at the Pine Prairie Field. The source and origin of the Cook Mountain’s reservoir properties are unknown. The objective of this study is to determine the origin of the Cook Mountain Formation’s reservoir properties by identifying the processes associated with the formatio

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13

Gumusoglu, M. Cetin. "Analysis of underground excavations in strain softening rock masses." Thesis, Imperial College London, 1987. http://hdl.handle.net/10044/1/38339.

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14

Aguilar, Abraham Rojano 1959. "A theoretical study of gas flow in porous media with a spherical source." Diss., The University of Arizona, 1998. http://hdl.handle.net/10150/288786.

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Gas flow behavior from a spherical source is explored by using linear and nonlinear models, not only in terms of pressure but also in terms of flux. The approach considers dimensionless parameters scaling both radius and time. Specific observations are made for large, moderate, and small time conditions. At large time, the nonlinear model becomes a linear ordinary differential equation with pressure solution independent of the material. However, for moderate and small scaled times this is not the case. The nonlinear model must be solved by using either linear approximations, semi-analytical, o

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15

Prasad, Umesh. "Energy utilisation in comminution and its application to rock blasting." Thesis, McGill University, 1994. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=26412.

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Since blasting is a comminution process, the feasibility of establishing a correlation between the Bond rod mill work index (kWh/t) and some easily measurable physico-mechanical properties relevant to blasting was investigated. Further, the concept of operating blast work index and its potential applications were explored. Four different rock types and a well documented case study of two blasts were selected for this study.<br>The work index is found to be uncorrelated with the density and unconfined compressive strength, slightly related with tensile strength, and well correlated with dynamic

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16

Aresh, Balaji. "Fundamental study into the mechanics of material removal in rock cutting." Thesis, Northumbria University, 2012. http://nrl.northumbria.ac.uk/22076/.

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The objective of this work was to understand the mechanics of material removal during rock cutting. The exact nature of the failure of the rock material at the tool tip was investigated using a single cutting tooth test rig coupled with high speed photography, for various rock-like specimens. Linear cutting tests were performed using a tungsten carbide tipped orthogonal cutting tool with three different rake angles on low and high strength simulated rocks. Statistical analysis together with high speed video analysis were supported by numerical simulation, performed using a commercially availab

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17

Collingwood, Benjamin. "The effects of construction practices on the performance of rock socketed bored piles." Online version, 2000. http://bibpurl.oclc.org/web/25062.

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18

Milne, Grant Dean. "Condition monitoring & integrity assessment of rock anchorages." Thesis, University of Aberdeen, 1999. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=219062.

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Current methods for assessing the integrity of ground anchorages during service are primarily restricted to monitoring by load cells or load lift-off testing. Both are expensive and lift-off testing is time consuming and can damage the anchorage construction below the anchor head. Hence, only typically 5-10% of anchorages are monitored in service. As a result, The Institution of Civil Engineers reported that non-destructive test methods for ground anchorages need to be developed as a high priority (ICE, 1992). The Universities o f Aberdeen and Bradford have been conducting research since 1986

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19

Rauenzahn, Rick Meier. "Analysis of rock mechanics and gas dynamics of flame-jet thermal spallation drilling." Thesis, Massachusetts Institute of Technology, 1986. http://hdl.handle.net/1721.1/14884.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1986.<br>MICROFICHE COPY AVAILABLE IN ARCHIVES AND SCIENCE<br>Bibliography: v.2, leaves 574-583.<br>by Rick Meier Rauenzahn.<br>Ph.D.

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20

Saliés, Jacques Braile. "Experimental study and mathematical modeling of helical buckling of tubulars in inclined wellbores /." Access abstract and link to full text, 1994. http://0-wwwlib.umi.com.library.utulsa.edu/dissertations/fullcit/9522965.

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21

Garvey, Ryan J. "A study of unstable rock failures using finite difference and discrete element methods." Thesis, Colorado School of Mines, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=3557944.

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<p> Case histories in mining have long described pillars or faces of rock failing violently with an accompanying rapid ejection of debris and broken material into the working areas of the mine. These unstable failures have resulted in large losses of life and collapses of entire mine panels. Modern mining operations take significant steps to reduce the likelihood of unstable failure, however eliminating their occurrence is difficult in practice. Researchers over several decades have supplemented studies of unstable failures through the application of various numerical methods. The direction of

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22

Zhao, Xuan Liang. "A fracture mechanics study of unassisted and water jet assisted rock disc cutting." Thesis, University of Newcastle Upon Tyne, 1989. http://hdl.handle.net/10443/823.

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The work presented in the thesis introduces the use of the principles of fracture mechanics on the mechanism of rock breakage by disc cutters with and without water jet assistance. The work may be divided into five major parts: 1. Rock fracture tests; The values of fracture toughness are measured from three different directions of the rock blocks by three different testing methods: radially cracked ring specimens, three point bend specimens and short bar specimens. The effect of moisture on the fracture toughness was also investigated. 2. Indentation tests; A primary study of the use of a disc

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23

Fratta, Dante. "Passive and active measurement of unique phenomena in geotechnical engineering." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/20703.

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24

Melendez, Castillo Maria Georgina. "The effects of acid contact time and rock surfaces on acid fracture conductivity." Thesis, [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-1956.

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25

Drescher, Karsten. "An investigation into the mechanisms of time dependent deformation of hard rocks." Pretoria : [s.n.], 2002. http://upetd.up.ac.za/thesis/available/etd-07082005-141037/.

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26

Roth, Karen. "Time-Dependent Rock Failure at Kartchner Caverns, Arizona." Thesis, The University of Arizona, 2016. http://hdl.handle.net/10150/613408.

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Assessing long-term rock stability is an important aspect in the analysis of slopes, dam and bridge foundations, and other infrastructure. Rock behavior over tens to thousands of years must be anticipated when predicting the performance of, for example, an underground containment facility for nuclear waste. At such long time scales, the time dependence of rock failure, typically ignored in short time scale analyses, has a significant effect and must be included in the analysis. Since time-dependent rock behavior is thought to be caused by the subcritical growth of microcracks, a time-depend

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27

Du, Jing. "Geophysical inversion of far-field deformation for hydraulic fracture and reservoir information /." Digital version accessible at:, 2000. http://wwwlib.umi.com/cr/utexas/main.

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28

Cheraghi, Seifabad Masoud. "An investigation into the mechanical cutting of rock materials with particular reference to fracture mechanics." Thesis, University of Newcastle Upon Tyne, 1992. http://hdl.handle.net/10443/692.

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A comprehensive series of laboratory rock cutting tests were carried out on both core specimens and large blocks of different rock material. Five types of rock were used, Springwell sandstone, Matlock limestone, Welton chalk, Pennant sandstone and Teesdale Whinstone. As part of the investigations the influence of physical and mechanical properties of rock materials on their cuttability has been assessed during the early part of the research programme. Furthermore, a study was undertaken to investigate the influence of rock discontinuities on cutting parameters employing different degrees of sa

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29

Tang, Yin-tong. "Rock stress determination in Hong Kong Island by using hydraulic fracturing method /." View the Table of Contents & Abstract, 2005. http://sunzi.lib.hku.hk/hkuto/record/B36357625.

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30

Alshkane, Younis Mustafa Ali. "Numerical modelling investigation of rock mass behaviour under gravity dams." Thesis, University of Nottingham, 2015. http://eprints.nottingham.ac.uk/29317/.

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The study of rock mass behaviour is a broad subject in the rock mechanics field which still needs more research and investigation, especially for geotechnical issues associated with dam construction. Since it is difficult to study rock mass behaviour at a large scale in the laboratory, the numerical modelling technique is an alternative method which can be used efficiently in this field. In this thesis two codes have been selected for this purpose. The first code was a continuum code FLAC (Fast Lagrangian Analysis of Continua), which was used to study the effect of a weak rock joint on the sta

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31

Gothäll, Rikard. "Behaviour of Rock Fractures under Grout Pressure Loadings : Basic Mechanisms and Special Cases." Doctoral thesis, KTH, Jord- och bergmekanik, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-9787.

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32

Yue, Peng. "A micro mechanical study of critical state soil mechanics using DEM." Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/38060/.

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One of the greatest breakthroughs in soil mechanics was the development of Critical State Soil Mechanics (CSSM) in the 1950s and 1960s and the derivation of a continuum elasto-plastic constitutive model, namely Cam clay, which was the foundation for other continuum models for clays, and much later for sands. However, as yet there has been no micro mechanical analysis which explains the existence of such continuum models; such a micro perspective must take into account the discontinuous nature of soil. Without such insight, the engineer cannot understand which micro parameters affect soil behav

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33

Van, Wyk Peter Ryan. "Rock mechanics for construction of the gravimeter vault at the Matjiesfontein Space Geodesy and Earth Observation Observatory." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/85638.

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Thesis (MEng)--Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: The suitability of local construction materials for construction purposes is governed by several rock mechanical properties. Strength, durability, performance and petrography of aggregates all influence the decisions engineers make in deciding if the aggregate is suitable and sustainable throughout the lifetime of a structure. This thesis investigates these properties by combining engineering, chemistry and geological disciplines to make informed decisions. The pertaining project for which the research was conducted is the con

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34

Bagheri, Meghdad. "Experimental investigation of the time- and rate-dependent behaviour of unsaturated clays." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/55534/.

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With the aim to achieve a better understanding of the time- and rate-dependent behaviour of unsaturated clays, particularly stiff natural clays, a critical review of the literature and a program of laboratory testing were carried out as part of this research. With emphasis on examining the effect of suction on viscous response, mainly primary and secondary consolidation (creep), stress-relaxation, and rate-dependency, a series of conventional multi-stage loading (MSL) oedometer tests, long-term single-stage loading (SSL) oedometer tests, and advanced constant-rate-of-strain (CRS) oedometer tes

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35

Jiao, Chaoying. "Miscible displacements in porous media with variation of fluid density and viscosity /." [Karlsruhe] : Die Universität, 2001. http://www.ubka.uni-karlsruhe.de/vvv/2002/bio-geo/1/.

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Thesis (Doctoral)--Universität Karlsruhe, 2001.<br>Abstract in German. Hochschulschrift = Thèse/Mémoire. Includes bibliographical references (p. 109-133). Also available via the World Wide Web. http://www.ubka.uni-karlsruhe.de/indexer-vvv/2002/bio-geo/1

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36

Cai, Yanyan. "An experimental study of non-coaxial soil behaviour using hollow cylinder testing." Thesis, University of Nottingham, 2010. http://eprints.nottingham.ac.uk/11214/.

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Non-coaxiality of the principal stress direction and principal strain increment direction has been observed in both numerical modelling and experimental studies. The importance of non-coaxiality has been widely recognised in the geomechnical engineering. Without considering the non-coaxiality in the design may lead to an unsafe soil structure. Therefore, it is essential to understand the non-coaxial soil behaviour better and take it into account in the numerical modelling. A new Hollow Cylinder Apparatus in Nottingham Centre of Geomechanics (NCG) has been employed in this study. A series of pr

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37

Buttress, Adam James. "Physicochemical behaviour of artificial lime stabilised sulfate bearing cohesive soils." Thesis, University of Nottingham, 2013. http://eprints.nottingham.ac.uk/14463/.

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Soil stabilisation is a useful civil engineering technique that enables the insitu material to be used as part of an engineered structure. Stabilised layers are used in road foundation; working platforms and for slope stabilisation and sea defences. Chemical stabilisation involves the use of a hydraulic binder (and sometimes additional pozzolans). Commonly, quicklime (CaO) or slaked-lime (Ca(OH)2) is used. On mixing into the ground, this reacts with the aluminosilicates of the clay fraction, reducing its overall water content and plasticity. Further additions increase the insitu pH. Above pH 1

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38

Aslam, Raveed. "Centrifuge modelling of piled embankments." Thesis, University of Nottingham, 2008. http://eprints.nottingham.ac.uk/12399/.

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It is becoming increasingly necessary to construct on land that was previously considered inappropriate for construction, such as soft clay. The properties of soft clay make it highly compressible and low in shear strength, meaning that bearing capacity failure and excessive settlement are of concern. Piled embankments are a ground improvement technique that can provide a solution for this problem. Piled embankments have the ability to transfer the greater part of the embankment load and any surcharge to more competent material at greater depth due to the 'arching' concept. Consequently, the s

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39

Liu, Weiwei. "Axisymmetric centrifuge modelling of deep penetration in sand." Thesis, University of Nottingham, 2010. http://eprints.nottingham.ac.uk/11550/.

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The advancement of a slender object into soil (to depths of 10s of metres) is of fundamental interest to Geotechnical Engineers. Considerable advances have recently been made in beginning to understand some detailed aspects of the fundamental behaviour for penetration in sand using physical models. In this project, a 180° axisymmetric model is developed, which allows viewing of soil movement as a circular penetrometer advances into the soil. The model was tested in a geotechnical centrifuge with digital photographic techniques used to track soil movement. A series of 10 centrifuge tests is rep

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40

Yang, Lintao. "Experimental study of soil anisotropy using hollow cylinder testing." Thesis, University of Nottingham, 2013. http://eprints.nottingham.ac.uk/13641/.

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Most sedimentary deposits are inherently anisotropic due to their natural deposition in horizontal layers. This inherent anisotropy highlights the fact that the response of soils to loading is depending on both stress magnitude and its direction. Most of the field problems in geotechnical engineering are three-dimensional, and a soil is more likely to subject an anisotropic stress state (σ1 ≠ σ2 ≠ σ3), together with rotation of the principal axes. It is therefore essential that the soil behaviour under such realistic and general loading conditions is to be well understood, so that engineers ca

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41

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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42

Almuslmani, Bandar Saleh. "Estimation of Arabian rigid plate motion and strain rate accumulation within the Arabian plate using GPS measurements." Thesis, University of Nottingham, 2010. http://eprints.nottingham.ac.uk/30920/.

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The Arabian plate is classified as medium sized. It is surrounded by the Nubian, Somalian, Eurasian and Indian plates. Previous investigations of present-day kinematics of the Arabian plate using GPS measurements were primarily obtained from stations located on surrounding plates, with few stations actually located on the Arabian plate itself. Due to the inhomogeneous distribution of these GPS stations and the fact that some of these were actually located in the plate boundary zone, the motion of Arabia was only sensed in a few locations of the rigid plate interior. Through the establishment o

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43

Hills, Christopher William Walter. "The examination and prediction of opencast backfill settlement." Thesis, University of Nottingham, 1994. http://eprints.nottingham.ac.uk/11501/.

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With ever increasing demands on land use large areas of land are being considered for development which due to past or present mining activities are covered by substantial depths of fill materials. The problem faced with the development of land infilled with open cast mining backfill is in predicting the behaviour of the fill upon development. To be able to design foundations suitable to withstand the movements that occur within opencast backfill or design a backfilling operation that produces land suitable for a proposed after development, a means of predicting backfill settlement is required

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44

Khong, Cuong Doan. "Development and numerical evaluation of unified critical state models." Thesis, University of Nottingham, 2004. http://eprints.nottingham.ac.uk/10120/.

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With the increased availability of computers of various sizes, it is becoming more common to predict the responses of geotechnical structures using numerical analyses which incorporate more realistic models of soil behaviour. The main objective of this research is to develop and evaluate a series of unified critical state models. These models are then used to solve some typical boundary value problems in geotechnical engineering. The new models are based on a critical state model called CASM which was formulated based on both the state parameter concept and a non associated flow rule. The main

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45

Hampton, Christopher N. "Strength and creep testing for artificial ground freezing." Thesis, University of Nottingham, 1986. http://eprints.nottingham.ac.uk/12176/.

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Artificial ground freezing (AGF) provides a means by which excavations can be given temporary or permanent structural support. It may also be used to control the movement of groundwater without the risk of pollution of potable aquifers. As AGF is called upon to strengthen ground at ever increasing depths, the design process needs to be adapted to account for the greater stresses encountered. In strong materials, the prime consideration is the short term strength of the materials and closed-form formulae can be used in design. In weaker materials, the time dependent creep behaviour of the froze

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46

Franza, Andrea. "Tunnelling and its effects on piles and piled structures." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/39102/.

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Current needs for infrastructure and services in urban areas often require the construction of tunnels that may affect existing surface and buried structures. In general, the construction of new tunnels in the proximity of deep foundations raises concerns related to pile failure and associated structural damage (in both the superstructure and the foundation). Despite its practical importance, few studies have investigated the global tunnel-pile-structure interaction (TPSI) and, thus, engineers generally compensate for the lack of understanding with an overly conservative design approach. To pr

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47

Zhuang, Peizhi. "Cavity expansion analysis with applications to cone penetration test and root-soil interaction." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/42772/.

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As one of the most versatile and reliable in-situ devices, cone penetrometers have been extensively used in soil exploration (e.g. soil classification, soil profiling, back-calculation of soil properties etc.) both experimentally and theoretically over the past 80 years. To improve its site accessibility, reduce the required sample size with minimal boundary effects, or model soil penetration by plant roots or earthworms, cone penetrometers with various sizes are often employed both in the field and laboratory. Consequently, size-dependent performance may appear, and this is one of the subject

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48

Yuan, Ran. "A non-coaxial theory of plasticity for soils with an anisotropic yield criterion." Thesis, University of Nottingham, 2015. http://eprints.nottingham.ac.uk/29007/.

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A novel, non-coaxial soil model is developed in the context of perfect plasticity for the plane strain condition whilst incorporating initial soil strength anisotropy. The anisotropic yield criterion is developed by generalising the conventional isotropic Mohr-Coulomb yield criterion to account for the effects of initial soil strength anisotropy described by the variation of internal friction angles at different principal stress directions. The model is implemented into the commercial finite element(FE)software ABAQUS via the user defined material subroutine(UMAT). The proposed model is used t

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49

Cox, Craig Mark. "Centrifuge modelling of the ground reaction curve in fibre-reinforced soil." Thesis, University of Nottingham, 2014. http://eprints.nottingham.ac.uk/28020/.

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The phenomenon known as the ‘arching effect’ occurs when a portion of granular mass yields relative to an adjacent stationary region. The movement is resisted by shearing stresses which act to reduce the pressure on the yielding support and increase the pressure on the adjacent stationary supporting zones. Arching is widely observed in both natural and man-made structures such as piled embankments, tunnelling, and above mine works and sinkholes. In this research the arching effect is recreated in the increased gravity environment of a geotechnical centrifuge where the pressure distribution acr

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50

Mo, Pin-Qiang. "Centrifuge modelling and analytical solutions for the cone penetration test in layered soils." Thesis, University of Nottingham, 2014. http://eprints.nottingham.ac.uk/14319/.

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The interpretation of measurements from the cone penetration test is still predominately based on empirical correlations, which can be attributed to the lack of understanding of penetration mechanisms, that involve severe stress-strain and shear dilatancy close to the probe. Even so, it remains one of the most widely used in-situ tools for site characterisation, and several methods for displacement pile design have been developed using CPT data. This research investigates the response of penetrometers and the behaviour of layered soils during installation of probes using geotechnical centrifug

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