Dissertations / Theses: 'Slope stabilization'

1

Kokesh, Christopher Michael. "Bio-engineering for land stabilization." Columbus, Ohio : Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1243971701.

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Peterson, Jennifer Lynn. "Probability analysis of slope stability." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=1070.

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Thesis (Ph. D.)--West Virginia University, 1999.
Title from document title page. Document formatted into pages; contains viii, 91 p. : ill. Vita. Includes abstract. Includes bibliographical references (p. 63-64).

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3

Trenner, Brian Robert. "Bioengineering for Land Stabilization." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1253549875.

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4

Liu, Ying. "Limit equilibrium methods for slope stability analysis." Click to view the E-thesis via HKUTO, 2002. http://sunzi.lib.hku.hk/hkuto/record/B42576684.

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5

Kwok, Sabastein Yih Feng. "Stochastic analysis of coupled surface and subsurface flow model in steep slopes for slope stability analysis /." View Abstract or Full-Text, 2003. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202003%20KWOK.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2003.
Includes bibliographical references (leaves 201-205). Also available in electronic version. Access restricted to campus users.

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6

Liu, Ying, and 劉影. "Limit equilibrium methods for slope stability analysis." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B42576684.

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Chandler, Douglas Scott. "An area approach to forest slope stability /." Thesis, Connect to this title online; UW restricted, 1992. http://hdl.handle.net/1773/10181.

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8

Li, Lin. "Reliability Based Design for Slope Stabilization Using Drilled Shafts and Anchors." University of Akron / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=akron1415117410.

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9

Jaapar, Abd Rasid Bin. "A framework of a national slope safety system for Malaysia." Thesis, Click to view the E-thesis via HKUTO, 2006. http://sunzi.lib.hku.hk/hkuto/record/B37384600.

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10

Al, Bodour Wassel. "Development of Design and Analysis Method for Slope Stabilization Using Drilled Shafts." University of Akron / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=akron1267041620.

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11

Pathmanathan, Marie Leony. "Numerical simulation of the performance of horizontal drains for subsurface slope stabilization." Pullman, Wash. : Washington State University, 2009. http://www.dissertations.wsu.edu/Thesis/Spring2009/m_pathmanathan_011309.pdf.

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Thesis (M.S. in civil engineering)--Washington State University, May 2009.
Title from PDF title page (viewed on July 27, 2009). "Department of Civil and Environmental Engineering." Includes bibliographical references (p. 82-84).

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12

Karparov, Krassimir Nikolov. "Slope stability analyses in complex geotechnical conditions thrust failure mechanisms /." Pretoria : [s.n.], 2003. http://upetd.up.ac.za/thesis/available/etd-03092007-153601.

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13

Musa, Zulkarnain 1964. "An accelerated conjugate direction procedure for slope stability analysis." Thesis, The University of Arizona, 1988. http://hdl.handle.net/10150/276912.

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CSLIP2 (De Natale, 1987) is the only slope stability program that utilizes a "direction set" optimization routine in its search for the minimum safety factor. However, CSLIP2 which employs Powell's Conjugate Direction Method permits only the horizontal and vertical directions (x and y) to be used as the initial direction set. The efficiency of the existing search routine is improved by replacing the x-y coordinate directions with initial directions that are parallel to and perpendicular to the principal axis of the safety factor contours.

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14

Al-Karni, Awad 1962. "Application of the BFGS quasi-Newton method to slope stability analysis." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/276994.

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Mana computer programs have been developed for solving slope stability problems. Since slope stability problems can be characterized as optimization problems, many optimization techniques can be used for searching for the lowest safety factor for a given problem and the corresponding critical slip surface. Most of the slope stability programs use the direct search method which requires only the function value (i.e., safety factor value). In this thesis, a new optimization technique, the Broyden (1970), Fletcher (1970), Goldfarb (1970), and Shanno (1970) (BFGS) quasi-Newton optimization method, is used in conjunction with the STABR program of Lefebvre (1971) to solve slope stability problems. This method of optimization requires the function value and the first derivative value, which can be found by the finite difference method. A new program CSLIP3, incorporating the BFGS technique, is used to solve a variety of realistic slope stability problems. It is determined that CSLIP3 is reliable and efficient.

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15

Tatarniuk, Catherine. "Deep soil mixing as a slope stabilization technique in Northland Allochthon residual clay soil." Thesis, University of Canterbury. Civil and Natural Resources Engineering, 2014. http://hdl.handle.net/10092/9648.

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Road slips are common in Northland Allochthon residual clay soil, and are commonly mitigated using deep soil mixing (DSM). A deficiency in laboratory investigations on Northland Allochthon residual clay and a need for a better understanding of the numerical modelling of DSM columns used to mitigate unstable slopes in this soil type is evident in literature, and has been highlighted by practitioners. This research has aimed to fill aspects of these deficiencies. Field testing and classification tests have provided insight into how the soil varies between sites and with depth, and how in situ testing methods compare to one another. Field testing has also demonstrated that soil property changes around DSM columns have been shown to exist through seismic flat plate dilatometer testing before and after column installation, which has not previously been proven using an in situ method. This is important for practitioners who use DSM to demonstrate the additional soil improvements provided by the columns. The testing of reconstituted soil is fundamental in examining soil behaviour, and this study is the first to examine the triaxial behaviour of reconstituted specimens of Northland Allochthon soil. Laboratory triaxial testing and oedometer testing have allowed for a normalized comparison of the intact strength of Northland Allochthon residual clay soil to its reconstituted state. This work provides an answer to the important question regarding the role of soil structure in this soil type. It was revealed that soil structure results in increased shear strength of the soil, and that this increase is primarily cohesive in nature. The near coincidence of the post-rupture strength of intact specimens with the critical state angle of internal shearing resistance provides support for its use in examining first time slope failures in this soil type. This is an important finding for practitioners, as it demonstrates the value of testing reconstituted specimens, which are much easier to obtain than high quality intact specimens. In addition, relationships between the plasticity index (PI) of the soil and certain soil parameters (and soil behaviour) have been demonstrated to be relevant and useful for this soil type. Soil properties acquired in this study were tabulated along with those from other field sites in Northland Allochthon soil. It was found that there is significant variation between field sites, likely due to varying degrees of weathering, which is an important consideration for practitioners dealing with this soil type. A brief examination of constitutive models for representation of Northland Allochthon residual clay soil have shown that several different models can sufficiently represent the behaviour of this soil. The Mohr-Coulomb model was selected for use in subsequent finite element numerical models. A case study of a road slip at a field site in Northland Allochthon residual clay soil, mitigated using DSM columns, revealed that the use of a pre-existing slip surface after first time failure leads to an improved match between observed field behaviour and the behaviour of the slope as exhibited in a numerical model. This type of failure mechanism has not been previously examined in this soil type, and this case study demonstrates it is a useful approach that should be considered when dealing with second time failure in Northland Allochthon slopes. This numerical model also introduces the replacement ratio method (RRM), a technique used to represent the three dimensional (3D) geometry of the DSM columns in the more commonly used two dimensional (2D) analysis. Examination of laterally loaded DSM columns in plan view, which has not previously been performed in the context of DSM columns, has illustrated how installation effects and column shape influence load displacement curves, and demonstrates the effects of soil arching. This analysis provides practitioners with evidence that improved soil property changes, found to occur around DSM columns, lead to improved DSM column performance. A simplified 3D numerical model of laterally loaded DSM columns, which builds on the ideas developed in the previous two 2D models, has been compared to an identical 2D model. It is shown that the commonly used RRM results in an overestimation of the resisting force provided by the columns as compared to the 3D model. However, this does not necessarily imply that the use of the RRM in an analysis will always result in a safe slope. The degree to which its use will affect the results will depend on the slope geometry, location of the DSM columns, and the type of analysis performed (i.e. factor of safety or deformation based). A modification to the RRM has been proposed. It is recommended that when the DSM column diameter and soil properties are similar to those used in this study, the MRRM developed in this study should be utilized. In circumstances where they differ, it is recommended that practitioners perform a sensitivity analysis using the MRRM developed here as a basis for modifying the RRM in order to determine the extent to which their results are influenced. If the influence is significant, the use of a 3D model should be considered.

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Boeckmann, Andrew Z. "Load transfer in micropiles for slope stabilization from tests of large-scale physical models." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/4633.

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Thesis (M.S.) University of Missouri-Columbia, 2006.
The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on August 22, 2007) Includes bibliographical references.

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Huaco, Daniel R. "Decision support for slope construction and repair activities an asset management building block /." Diss., Columbia, Mo. : University of Missouri-Columbia, 2008. http://hdl.handle.net/10355/5780.

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Thesis (M.S.)--University of Missouri-Columbia, 2008.
The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on September 3, 2008) Includes bibliographical references.

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18

Li, Jin, and 李錦. "Field study of a soil nailed loose fill slope." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B31245675.

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Cardoso, Ana Isabel Soares. "Estabilização de taludes rochosos com redes metálicas pré-tensionadas : rock slope stabilization with pretensioned metalic meshes." Master's thesis, Departamento de Engenharia Civil, 2005. http://hdl.handle.net/10316/15659.

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Avsar, Ozgur. "Landslide Stabilization In Weathered Tuffite, Northern Turkey." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/2/12605580/index.pdf.

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A landslide occurred during the construction of the Giresun &ndash
Espiye road between Km: 1+030 &ndash
1+170 in April 2003. Investigating the causes and mechanism of this slope failure along with suggesting a proper stabilization technique is aimed in this study. For that purpose, a detailed site investigation study, including engineering geological mapping, drilling work, in situ and laboratory tests, was performed. Weathered tuffite, tuffite, flysch and dacitic tuffite, from top to bottom, are the major units in the study area. A &ldquo
translational slide&rdquo
occurred in completely weathered tuffite owing to the disturbance of the stability of the slope by the excavations performed at the toe of the slope
particularly the foundation excavation for the restaurant building and for the road cut for the Giresun &ndash
Espiye road. After establishing the model of the landslide in detail, shear strength parameters of the failure surface were determined by the back analysis method as "
cohesion"
=2.5 kN/m2 and "
friction angle"
=9°
. Toe buttressing, ground water and surface water drainage options were considered for stabilizing the slope. For the back analysis calculations, the Morgenstern-Price and Spencer methods were used with the aid of the SLOPE/W computer program.

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21

Kořínková, Jana. "Sanace sesuvu silničního tělesa." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-371994.

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The topic of this Master`s thesis is to design stabilization of road embankment, which is between Brno-Chrlice and Brno-Holásky. Aim of this thesis is finding acceptable solution of problem including finding cause of fault and describing other possible options. Solution will be design in GEO5. Thesis is completed with procedure in pile installation and drawing documentation.

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Kwok, Wai-hau. "Feasibility of seismic refraction method in determining the degree of compaction of a fill slope on Waterloo Road, Hong Kong." Click to view the E-thesis via HKUTO, 2002. http://sunzi.lib.hku.hk/hkuto/record/B42576672.

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23

Leung, Tsz-yan Flora, and 梁芷茵. "Native shrubs and trees as an integrated element in local slope upgrading." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/206423.

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Kwok, Wai-hau, and 郭維孝. "Feasibility of seismic refraction method in determining the degree of compaction of a fill slope on Waterloo Road, Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B42576672.

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25

Asoudeh, Atefeh. "Identifying Residual Soil Parameters for Numerical Analysis of Soil Nailed Walls." Thesis, Griffith University, 2016. http://hdl.handle.net/10072/367048.

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This thesis provides a detailed study of slope reinforcement in soil slopes using soil nails, anchors and other mechanical stabilization methods. The major emphasis is on the use of soil nails in slopes formed with mostly residual soils. A comparative study has been performed reviewing the different methods of slope stability analysis, and the shear strength parameters used in stability analyses, the soil models used in numerical analyses, residual soil profiles and their detailed engineering properties used in previous studies and various computer software which are currently in use. An important conclusion concerning previous studies on slope stabilisation is that although some of them have focused on residual soils and specifically on soil nailed walls based in residual soil, there is not enough evidence available to show the effect of different parameters including soil strength, soil stiffness and also modelling assumptions on the result of stability analysis. Therefore, following a detailed discussion of the employed procedure for selection of geotechnical properties of residual soil, selection of modelling parameters for nailed wall, soil model and geotechnical software that were used, numerical models were built to perform a parametric study for stability assessment of nailed walls in residual soils.
Thesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Grifffith School of Engineering
Science, Environment, Engineering and Technology
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Oztepe, Damla Gaye. "Slope Stability Assessment Along The Bursa-inegol-bozuyuk Road At Km: 72+000-72+200." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/3/12611097/index.pdf.

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The purpose of this study is to determine the most suitable remediation technique via geotechnical assessment of the landslide that occurred during the construction of Bursa-inegö
l-Bozü
yü
k Road at KM: 72+000-72+200 in an ancient landslide area. For this purpose, the geotechnical parameters of the mobilized soil along the slide surface was determined by back analyses of the landslide at four profiles by utilizing the Slope/W software. The landslide was then modeled using coupled analyses (with the Seep/W and Slope/W softwares) along the most representative profile of the study area by considering the landslide mechanism, the parameters determined from the geotechnical investigations, the size of the landslide and the location of the slip circle. In addition, since the study area is located in a second degree earthquake hazard region, pseudo-static stability analyses using the Slope/W software were performed incorporating the earthquake potential. The most suitable slope remediation technique was determined to be a combination of surface and subsurface drainage, application of rock buttress at the toe of the slide and unloading of the landslide material. A static and dynamic analyses of the landslide was also performed through utilizing finite element analyses. The static analyses were calibrated using the inclinometer readings in the field. After obtaining a good agreement with the inclinometer readings and finite element analyses results, the dynamic analyses were performed using acceleration time histories, which were determined considering the seismic characteristics of the study area.

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Castro, Fresno Daniel. "Estudio y análisis de las membranas flexibles como elemento de soporte para la estabilización de taludes y laderas de suelos y/o materiales sueltos." Doctoral thesis, Universidad de Cantabria, 2001. http://hdl.handle.net/10803/10712.

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Los taludes recién construidos presentan un aspecto adecuado y una superficie regular y estable, pero por diversos agentes se erosionan rápidamente. Una técnica a utilizar para la estabilización y control de la erosión es el empleo de mallas arriostradas al terreno mediante anclajes. Esto facilita la revegetación, la integración paisajística y un bajo impacto medioambiental. Los resultados han sido dos modelos físico-matemáticos para el diseño de dos sistemas flexibles antierosión y de estabilización superficial de desmontes. En el primero, la membrana se encuentra arriostrada a la ladera mediante anclajes en líneas horizontales y al tresbolillo (Modelo Puntual). En el segundo, la malla transmite esfuerzos a elementos de arriostre y estos a la cabeza de los anclajes (Modelo Bidireccional). Para validar los modelos, se diseñaron tres instalaciones para las membranas flexibles, objeto de patente. Para este tipo de sistemas está indicado el uso de membranas flexibles anisótropas. Estos sistemas evitan la erosión del talud, recogen presiones ejercidas por este y las transmiten a la parte estable del anclaje.
Newly built slopes show a good aspect and a regular and stable surface, but for different agents quickly erode. One technique to use for the stabilization and control of erosion is the use of meshes braced to the ground through anchors. This facilitates revegetation, landscape integration, and a low environmental impact. The resuls of the study are two physical-mathematic models for the design of two flexible anti-erosion systems and for the excavation surface stabilization. In the first, the mesh is braced to the slope through anchors in horizontal lines and staggered (Punctual Model). In the second, the mesh transmits stresses to bracing elements and these to the anchors heads (Bidirectional Model). To validate the models, three installations for the flexible membranes were designed, the object of patents. For this type of systems, the use of flexible anisotropic membranes is indicated. These systems avoid slope erosion, gather the pressures exerted by it and transmit them to the anchor stable part.

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Bisson, Alberto. "L'Ancoraggio Flottante Sirive® per la stabilizzazione di movimenti franosi." Doctoral thesis, Università degli studi di Padova, 2015. http://hdl.handle.net/11577/3424255.

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Italy is a country susceptible to various and numerous natural disasters; landslide hazard is certainly one of the most important topics here, so the research for innovative and cost-effective solutions for landslide stabilization has great scientific and socio-economic relevance. This PhD fits the context by studying and developing a new technique for the stabilization of landslides, called “floating anchor”, both in theoretical and applied aspects. The technique involves the installation of passive nails in the landslide body, cemented along the entire profile with a sufficient foundation in the deep stable soil. The anchors fit the slope according to a discontinuous geometry without a continuous facing. Each anchor head connects only to a small concrete plate (the “floating” element), which may be bored in the soil. The reinforcements absorb by frictional contact a portion of the shear stress induced by the moving landslide, slowing down its evolution process until it completely stops. It is a modular and flexible technique; the system fits the soil deformations without losing effectiveness. The PhD work analyses all the components of the system in order to assess the geotechnical and structural behaviour. A comparison with the techniques commonly used for landslide stabilization highlights the main advantages of the floating anchors, both in efficiency and cost terms. An important part of the research focuses on the experimental analysis in a 1g scale physical model of the behaviour of floating plates as a function of their shape. An equation for the calculation of the bearing capacity of the floating plate with the introduction of specific shape and volume factors has been determined. A FEM analysis provides a numerical model calibration based on the experimental results and highlights the influence of the plate on the soil stress-strain state. Specific guidelines for the design of floating anchors are proposed according to two physical-mathematical configurations: one “static” short-term approach and one long-term approach, assuming a non-linear viscous behaviour of the soil. At last, some applications complete the research: the development of a particular enhanced anchor bar (the “composite anchor”), and the design and execution of some stabilization works with floating anchors in four real landslides activated in North-Eastern Italy in conjunction with the exceptional rainfall that affected the area in autumn 2010. The monitoring of the stabilized slopes proves the viability and technical efficiency of the method.
Il territorio italiano è soggetto per sua conformazione ad una diffusa presenza di fenomeni franosi. La ricerca di soluzioni e tecnologie innovative ed economicamente vantaggiose per la stabilizzazione dei movimenti franosi si rivela quindi un problema di grande attualità scientifica. Il presente Dottorato di Ricerca si inserisce in questo contesto con l’obiettivo di studiare e sviluppare dal punto di vista teorico e applicativo una tecnica innovativa per la stabilizzazione di movimenti franosi, denominata “ancoraggio flottante”. La tecnica prevede l’installazione di ancoraggi passivi nel corpo di frana, cementati al terreno e con adeguata fondazione nel terreno stabile profondo, posizionati secondo una geometria discontinua senza un rivestimento continuo del versante, ma con la sola applicazione di una piastra (l’elemento flottante) di ridotte dimensioni collegata alla testa di ciascuna barra. I rinforzi assorbono per attrito parte degli sforzi tangenziali indotti dal movimento franoso, rallentandone il processo evolutivo fino al completo arresto. Si tratta di una tecnica modulare e flessibile in quanto il sistema si adatta alle deformazioni del versante senza perdere di funzionalità. Il lavoro svolto nel corso del Dottorato di Ricerca ha consentito un’analisi delle varie componenti del sistema al fine di valutarne il comportamento geotecnico e strutturale. Un confronto iniziale con le tecniche di stabilizzazione di frane comunemente utilizzate evidenzia i principali vantaggi degli ancoraggi flottanti in termini di efficienza e di costo. Una parte importante della ricerca ha riguardato l’analisi sperimentale in modello fisico in scala 1g del comportamento delle piastre flottanti in funzione della loro geometria, e ha consentito di determinare un’equazione per il calcolo della capacità portante della piastra flottante con l’introduzione di specifici fattori di forma e di volume. Con analisi FEM è stato calibrato un modello numerico sulla base dei risultati sperimentali per poter meglio evidenziare l’influenza della piastra sullo stato tenso-deformativo del terreno. Si sono inoltre proposte delle specifiche linee guida per la progettazione degli interventi con ancoraggi flottanti secondo due schemi fisico-matematici: un approccio “statico” a breve termine e un approccio a lungo termine nell’ipotesi di comportamento viscoso non lineare del terreno. Completa la ricerca una parte applicativa, con lo sviluppo di una particolare barra di ancoraggio potenziata (ancoraggio composito), e con la progettazione ed esecuzione di alcuni interventi con ancoraggi flottanti in quattro frane reali attivatesi in provincia di Vicenza in concomitanza con le piogge eccezionali che hanno colpito tutto il nord-est italiano e in particolare la regione Veneto nell’autunno 2010. Il monitoraggio degli interventi appare comprovare la validità e l’efficacia tecnica del metodo.

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Diaz, Ipenza Darwin Marlon, and Colchado Americo Vidal. "Evaluación de la estabilidad global del talud superior del km. 17+200 al km 18+600 del proyecto carretera ruta n° 10, tramo: Huamachuco - Puente Pallar - Juanjui, sector: Huamachuco - Sausacocha - Puente Pallar." Bachelor's thesis, Universidad Ricardo Palma, 2015. http://cybertesis.urp.edu.pe/handle/urp/1242.

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Este documento presenta la base metodológica para determinar la Estabilidad de taludes, en una de las carreteras de penetración con mayor crecimiento de tránsito vehicular; por ello su importancia en la construcción de una vía asfaltada para conectar los pueblos de esta parte norte del Perú. Asimismo, exponemos los diferentes procesos de desprendimientos o movimientos de masa que ocurren en los taludes; además de los factores que influencian el análisis de Estabilidad de Taludes, pasando a los Métodos de Diseño para la verificación de la condición de estabilidad y los posibles Métodos de Estabilización. Finalmente, se realizará un análisis de Estabilidad de Talud al Sector del Km. 17+200 al Km. 18+600 del Proyecto a través del Método seleccionado; hemos considerado como base los parámetros y características: morfológicas, litológicas, climatológicas, del suelo, vegetación de la zona en Estudio. Mostrando que nuestros resultados son de aplicación directa al Proyecto. This document presents the methodological basis to determine the stability of slopes, in one of the roads of penetration with increased growth of vehicular traffic; for this reason their importance in the construction of a paved to connect the peoples of the northern part of the Peru. We also expose the different processes of landslides or mass movements that occur on the slopes; In addition to the factors that influence the analysis of slope stability, to design methods for the verification of the condition of stability and possible methods of stabilization. Finally, an analysis of stability of slope to the Sector of the Km. 17+200 Km. 18+600 of the project will be through the method selected; We have considered as base parameters and characteristics: morphologic, lithological, weather, soil, vegetation in the study area. Showing that our results are directly applicable to the project.

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Stone, Kenley Michelle. "Evaluation of native grass sod for stabilization of steep slopes." Thesis, Montana State University, 2005. http://etd.lib.montana.edu/etd/2004/stone/StoneK0505.pdf.

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Hunter, Gavan James Civil &amp Environmental Engineering Faculty of Engineering UNSW. "The pre- and post-failure deformation behaviour of soil slopes." Awarded by:University of New South Wales. School of Civil and Environmental Engineering, 2003. http://handle.unsw.edu.au/1959.4/19108.

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This thesis examines the pre and post failure deformation behaviour of landslides in cut, fill and natural soil slopes, and of the deformation behaviour of embankment dams. The deformation behaviour of landslides and embankment dams have been analysed from a database of case studies from a number of classes of slope (and dam) and material type. The database included some 450 landslides in cuts, fills and natural slopes, and some 170 embankment dams. For landslides in soil slopes, methods and guidelines have been developed for use in the analysis, evaluation and prediction of the pre and post failure deformation behaviour. They take into consideration the factors influencing and the mechanics controlling the deformation behaviour for the classes of slope and material types, which are different for pre and post failure. Pre-failure deformations are largely controlled by the effective stress conditions within the slope, changes in the boundary conditions and the response of the soil to those changes in boundary conditions. Whether the soil, under the effective stress conditions imposed within the slope, is contractive (and saturated or near saturated) or dilative on shearing, has a significant influence on the pre failure deformation behaviour. The post failure deformation behaviour is strongly influenced by the mechanics of failure (including whether the soil is contractive or dilative on shearing), the source area slope angle, the downslope geometry, the orientation of the surface of rupture, the material properties and slide volume. Guidelines are presented for prediction of 'rapid' and 'slow' post failure velocity. For embankment dams, methods and guidelines have been developed for evaluation and prediction of the deformation behaviour during and post construction for selected embankment types. They take into consideration the influence of material type and placement methods, material strength and compressibility properties, embankment zoning geometry, embankment height, and reservoir operation, amongst other factors. Guidelines have been developed to assist in the identification of 'abnormal' deformation behaviour, which can be related to internal deformations or a marginal stability condition and the onset to failure.

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Bisso, Fernando Prates. "Espécies vegetais para o manejo biotécnico de taludes e aspectos ambientais associados." Universidade Federal de Santa Maria, 2013. http://repositorio.ufsm.br/handle/1/3755.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico
This study aimed to investigate the suitability of plant species for biotechnical management of slopes in oxisol soils. The studies began in March 2009, in the region of Cruz Alta-RS, South Brazil (28°23 28,14 S e 53°22 25,61 W), and it included a survey of the problems occurring in the embankments, establishing criteria for the selection of plant species, the search and selection of plant species with desirable traits, field testing the four selected species and observation of key environmental aspects. The main problems found were: laminar and furrow erosion and lack of slope stability, caused mainly by the lack of vegetation cover, excessive slope of the ramp, excessive runoff, desiccation, use and maintenance of inadequate techniques. The criteria for species selection involved biotechnical, biological, ecological and socioeconomic aspects, prioritized according to the needs of each case. The species Ipomea cairica, Pyrostegia venusta, Hedera canariensis, Mikania glomerata, Baccharis trimera, Petunia integrifolia, Rhynchosia corylifolia, Acanthospermun australe, Sambucus australis, Ateleia glazioviana, Hibiscus rosa-sinensis and Lagerstroemia indica, for their occurrences, frequencies, forms and growths, showed potential for use in the biotechnical management of slopes. The slopes can vary in fertility, temperature and humidity at levels that can impair the development of natural or cultivated revegetation. The geographic orientation of the slope and the occurrence of trees can significantly influence these factors. Ateleia glazioveana, Baccharis trimera, Pyrostegia venusta e Cynodom plectostachyus, exhibited characteristics that make them suitable for uses in the biotechnical management of slopes in oxisol soils. According to the conditions under which the trials were conducted, it can be concluded that: the results confirmed the hypothesis that there are species in southern Brazil suitable for biotechnical management and restoration of degraded areas and slopes that are not conventionally used. For growing plants on the slope, it is recommended the use of seedlings, soil fertilization and planting in periods less stringent, as important practices to ensure good survival, accelerate vegetative growth and optimize the protective effects during early development. Further studies on the biotechnical management of these species in slopes, especially on the efficiency of different methods of propagation, and the best ways of deployment and use are suggested.
Este trabalho teve como objetivo geral investigar a aptidão de espécies de plantas para o manejo biotécnico de taludes em latossolo. Os estudos iniciaram em março de 2009, na região de Cruz Alta-RS, Sul do Brasil (28°23 28,14 S e 53°22 25,61 O), incluindo o levantamento dos problemas ocorrentes nos taludes, a fixação de critérios para a escolha de espécies vegetais, a busca e seleção de espécies vegetais com características desejáveis, o teste a campo de quatro espécies selecionadas e a observação de aspectos ambientais relevantes. Os principais tipos de problemas encontrados foram: erosão laminar e por sulcos e falta de estabilidade do talude, causados principalmente pela falta de cobertura vegetal, inclinação excessiva da rampa, escoamento de águas de montante, dessecação, uso e manutenção de técnicas deficientes. Os critérios de seleção de espécies envolveram aspectos biotécnicos, biológicos, ecológicos e socioeconômicos, priorizados de acordo com as necessidades de cada caso. As espécies Ipomea cairica, Pyrostegia venusta, Hedera canariensis, Mikania glomerata, Baccharis trimera, Petunia integrifolia, Rhynchosia corylifolia, Acanthospermun australe, Sambucus australis, Ateleia glazioviana, Hibiscus rosasinensis e Lagerstroemia indica, pelas suas ocorrências, freqüências, formas e crescimentos, apresentaram potencial de uso no manejo biotécnico de taludes. Os taludes podem apresentar variações de fertilidade, temperatura e umidade em níveis capazes de comprometer o desenvolvimento da revegetação natural ou cultivada. A orientação geográfica do talude e a ocorrência de arborização podem influenciar significativamente estes fatores. Ateleia glazioveana, Baccharis trimera, Pyrostegia venusta e Cynodom plectostachyus, apresentaram características que as tornam aptas para o emprego no manejo biotécnico de taludes em latossolo. De acordo com as condições em que os estudos foram realizados, pode-se concluir que os resultados obtidos permitem confirmar a hipótese de que há espécies vegetais no sul do Brasil aptas para o manejo biotécnico e recuperação de áreas degradadas em taludes e que ainda não são convencionalmente utilizadas; para o cultivo de plantas em talude, recomenda-se o emprego de mudas, a fertilização do solo e o plantio nos períodos menos rigorosos, como práticas importantes para garantir boa sobrevivência, acelerar o crescimento vegetativo e otimizar os efeitos protetores, durante o período inicial de desenvolvimento. Sugerem-se maiores estudos sobre o manejo biotécnico destas espécies em taludes, principalmente quanto à eficiência dos diferentes métodos de propagação e das melhores formas de implantação e utilização.

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33

Saleh, Atef A. "Evaluation of geosynthetic reinforcement for long-term stability of embankment slopes /." Digital version accessible at:, 1998. http://wwwlib.umi.com/cr/utexas/main.

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34

Loo, Hui. "Reactivation of an old landslide in response to reservoir impoundment and fluctuations." Click to view the E-thesis via HKUTO, 2006. http://sunzi.lib.hku.hk/hkuto/record/B36652970.

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Lee, Chun-fai Julian. "Soil nailing a robust design for joint-controlled weathered rock in Hong Kong /." Click to view the E-thesis via HKUTO, 2003. http://sunzi.lib.hku.hk/hkuto/record/B42577214.

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Ba, Te. "Flow of air-phase in soils and its application in emergent stabilization of slopes /." View abstract or full-text, 2004. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202004%20BA.

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Thesis (M.Phil.)--Hong Kong University of Science and Technology, 2004.
Includes bibliographical references (leaves 170-180). Also available in electronic version. Access restricted to campus users.

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Zhang, Min. "Centrifuge modelling of potentially liquefiable loose fill slopes with and without soil nails /." View abstract or full-text, 2006. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202006%20ZHANG.

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Warren, Sean N. "Limit equilibrium stability analysis utilizing geotechnical data at Mount Baker, Washington /." abstract and full text PDF (UNR users only), 2008. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1461537.

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Thesis (M.S.)--University of Nevada, Reno, 2008.
"December 2008." Includes bibliographical references (leaves 109-112). Library also has microfilm. Ann Arbor, Mich. : ProQuest Information and Learning Company, [2009]. 1 microfilm reel ; 35 mm. Online version available on the World Wide Web. Library also has electronic version on CD-ROM

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39

Bozok, Omer Loehr J. Erik. "Response of micropiles in earth slopes from large-scale physical model tests." Diss., Columbia, Mo. : University of Missouri--Columbia, 2009. http://hdl.handle.net/10355/6480.

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Title from PDF of title page (University of Missouri--Columbia, viewed on Feb 17, 2010). The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Thesis advisor: Dr. J. Erik Loehr. Includes bibliographical references.

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Textor, Nathan S. "Load transfer in reticulated and non-reticulated micropiles from large-scale tests." Diss., Columbia, Mo. : University of Missouri-Columbia, 2007. http://hdl.handle.net/10355/5008.

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Thesis (M.S.)--University of Missouri-Columbia, 2007.
The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on April 3, 2008) Includes bibliographical references.

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41

Lee, Chun-fai Julian, and 李俊暉. "Soil nailing: a robust design for joint-controlled weathered rock in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B42577214.

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Junaideen, Sainulabdeen Mohamed. "The design and performance of a pressure chamber for testing soil nails in loose fill." Thesis, Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk/hkuto/record.jsp?B23273331.

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43

Li, An-Jui. "Two and three dimensional stability analyses for soil and rock slopes." University of Western Australia. School of Civil and Resource Engineering, 2009. http://theses.library.uwa.edu.au/adt-WU2010.0016.

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Slope stability assessments are classical problems for geotechnical engineers. The predictions of slope stability in soil or rock masses play an important role when designing for dams, roads, tunnels, excavations, open pit mines and other engineering structures. Stability charts continue to be used by engineers as preliminary design tools and by educators for training purposes. However, the majority of the existing chart solutions assume the slope problem is semi-infinite (plane-strain) in length. It is commonly believed that this assumption is conservative for design, but non-conservative when a back-analysis is performed. In order to obtain a more economical design or more precise parameters from a back-analysis, it is therefore important to quantify three dimensional boundary effects on slope stability. A significant aim of this research is to look more closely at the effect of three dimensions when predicting slope stability. In engineering practice, the limit equilibrium method (LEM) is the most popular approach for estimating the slope stability. It is well known that the solution obtained from the limit equilibrium method is not rigorous, because neither static nor kinematic admissibility conditions are satisfied. In addition, assumptions are made regarding inter slice forces for a two dimensional case and inter-column forces for a three dimensional case in order to find a solution. Therefore, a number of more theoretically rigorous numerical methods have been used in this research when studying 2D and 3D slope problems. In this thesis, the results of a comprehensive numerical study into the failure mechanisms of soil and rock slopes are presented. Consideration is given to the wide range of parameters that influence slope stability. The aim of this research is to better understand slope failure mechanisms and to develop rigorous stability solutions that can be used by design engineers. The study is unique in that two distinctly different numerical methods have been used in tandem to determine the ultimate stability of slopes, namely the upper and lower bound theorems of limit analysis and the displacement finite element method. The limit equilibrium method is also employed for comparison purposes. A comparison of the results from each technique provides an opportunity to validate the findings and gives a rigorous evaluation of slope stability.

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Ip, Ling-yee Lyn, and 葉令怡. "Bioengineering and its applications." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B30425402.

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45

Dunoyer, Hugues. "Expérimentation en laboratoire et in-situ d'un procédé de stabilisation des remblais ferroviaires argilo-marneux : les colonnes de sol traité à la chaux éteinte et au ciment." Paris, ENMP, 1986. http://www.theses.fr/1986ENMP0011.

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Pour la prévention de l'instabilité des talus de remblais argileux du réseau sncf, mise au point d'un nouveau procédé de stabilisation: les colonnes de sol traitées à la chaux et au ciment fabriquées dans le talus même du remblai. Essais en laboratoire et en place de l'efficacité et de la faisabilité de ce procédé (matériau de remblai traité à 8% de chaux de boran, 10% de ciment cpj45 et un mélange de 5% de chaux et 10% de ciment). Etude de la rupture de ces éprouvettes cylindriques de matériau traité. Comparaison du comportement d'éprouvettes conservées a 60**(o)c en étuve humide et de celles conservées a 20**(o)c en atmosphère ambiante. Recherche des évolutions texturale et minéralogique du matériau traité. Interpretation des essais au bleu de methylène des produits de réaction a l'intérieur des mélanges. Controle effectue sur le terrain sur un plat d'essai pour étudier la faisabilité du procédé. Standardisation de la méthodologie d'étude

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46

Pradhan, Bandana. "Study of pullout behaviour of soil nails in completely decomposed granite fill." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B29324944.

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47

Loo, Hui, and 盧慧. "Reactivation of an old landslide in response to reservoir impoundment and fluctuations." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B36652970.

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48

Cheng, Chieh-Mei, and 鄭介眉. "Studies on Slope Stabilization in Solid Waste Landfill." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/6983g3.

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碩士
朝陽科技大學
環境工程與管理系碩士班
92
During construction, extension, closure for afforest or waste removal in landfill, the slope stability related parameters such as cohesion, friction angle and specific weight will affect the engineering design and cost requirement. Because of the characteristics of heterogeneity, complexity, flammable and settlement in waste layer, the slope stability related parameters in landfill should be authentically determined. Twelve cubic waste samples from Bali sanitary landfill were collected in this research. All the samples were conducted with direct shear test in order to determine the values of cohesion and friction angle. However, the weighting average cohesion and weighting average friction angle were calculated when the component type and percentage of waste were considered. According to the test result, the average cohesion without considering waste type was 1.52 t/m2 and average friction angle was 33.0°. When the component type and percentage of waste were considered for calculation, the weighting average cohesion was about 1.054 t/m2, and the weighting average friction angle was 38.9°. The data result are more realistic compared to the original design reference values of cohesion 1.5 t/m2 and friction angle 22°. Using the data of normal stress and compact specific weight from direct shear test, a linear equation between the waste layer depth and compact specific weigh was correlated. The larger cohesion value and friction angle of landfill slope will create higher safety factors, herein STABL program with the modified Bishop method was used to calculate the safety factors in normal, earthquake and storm conditions. The result was then used to determine the slope stability and safety in solid waste landfill.

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Tao-Chung and 陶忠. "The Evaluation of Alishan Roadside Slope Stabilization Work." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/15666221920456573548.

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碩士
國立屏東科技大學
水土保持系所
95
Although there are many construction methods available for slope stabi-lization, relevant and effective methods must be carefully selected to fit the site conditions of each particular slope construction work. The most relevant and effective slope stabilization methods should be determined based on our full understanding of the overall site conditions and the surrounding environ-mental factors. Among the controlling factors, geology is the most important and decisive factor for the selection and successful completion of a particular slope stabilization work. On the other side, Our assessment model had chosen the case of roadside slope protections constructions along the No.18 provincial road (the Alishan provincial road). We had quantify the degree of slope protection efficient and ecological environment contributions that was influenced by roadside slope protections constructions by all kinds of parameter what we made. Although slope planting techniques is the most current trend of repairing mountainous hazard road, it is not almightiness. It must be limited in use and operation somewhere. We should promise constructions and select a fitting plant techniques. So we can achieve mountainous road safety and quality. Inconclusion, different stabilization methods should be employed together to achieve the greatest effect from both ecological engineering and traditional stabilization methods.

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Yen, Chun-Cheng, and 顏均丞. "Establishment of Slope Stabilization Database at the Hillside Community." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/27595492562052030333.

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碩士
朝陽科技大學
營建工程系碩士班
95
For the stability of slopes, there are numerous engineering methods, which are limited to different conditions respectively. As developing, it will seriously influence the design, the construction and the safety use if the initial planning is not good enought. With the integration of all necessary parameters and the combination of various limitations for each engineering method as planning, this research makes use of the comparison with the database system and the analysis ability to select appropriate engineering method for the stability of slopes. For the practical planning layout work, we can use the content of engineering methods, standard drawing, unit price list and outline specifications, built by this database system, to save the time of making a layout substantially. After collecting and studying the problems that a hillside community will have as developing, the notes for development and the slope-related problems, we use the collected conditions & items to cooperate with the Access program of Microsoft Office to build a database system for inquiry and comparison. We also use the slope case and the on-site survey result to get all necessary input parameters for the system and apply the system to verify its plan feasibility. From the result of this research, it shows as below: 1.To adopt the package software of Office Access to establish a commonly engineering database system for the slope stability of hillside community. 2.To build the content of engineering methods, standard drawings, unit price lists and outline specifications in the database system. 3.To build the data of some cases including, topographies, geological structures, geology analysis, geological maps, slipping behaviors, planning methods, planning plan drawing and planning section drawing in the database system. 4.The suitable engineering method selected by this database system and the planned engineering method in the on-site case are roughly alike.

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Dissertations / Theses on the topic 'Slope stabilization'

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