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Dissertations / Theses on the topic 'LIMIT EQUILIBRIUM METHOD (LEM)'

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1

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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2

Loehr, John Erik. "Development of a hybrid limit equilibrium-finite element procedure for three-dimensional slope stability analysis /." Digital version accessible at:, 1998. http://wwwlib.umi.com/cr/utexas/main.

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3

Soliday, Stanley Jr. "Limits of limit equilibrium and finite element techniques applied to cracked debris dams on collapsing foundations." PDXScholar, 1991. https://pdxscholar.library.pdx.edu/open_access_etds/4428.

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Limits of slope stability, limit equilibrium methods, and of the finite element code FEADAM are reached in the application of these methods to the problem of cracked dams constructed on collapsing soils.
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4

Poruba, Michal. "Návrh sanace sesuvu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227466.

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Main goal of thesis entitled "Landslide remediation design" is - based on acquired knowledge and submitted documents about the problematic of landslides - to determine the causes of the landslides on II. class road between villages Koryčany and Jestřabice and to propose optimal redevelopment.
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5

Nogueira, Renan Teixeira. "Simulação numérica e equilíbrio limite aplicado a retroanálise de taludes em mineração de carvão." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2016. http://hdl.handle.net/10183/152747.

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A pesquisa voltada para a retroanálise de taludes de mineração está se tornando cada vez mais importante. As dimensões das atuais cavas de mineração visam sempre obter a melhor relação entre custo, benefício e segurança. Isso exige que por vezes o trabalho ocorra próximo destes limites. Neste trabalho o estudo de retroanálise consiste em um talude misto composto por aluvião e rocha em uma mineração de carvão localizada no município de Arroio dos Ratos, RS. O objetivo foi realizar um estudo de retroanálise onde se utilizou dois métodos de análise método dos Elementos Finitos (MEF) e o método do
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6

Osores, Tumbalobos Ana Belén. "Optimización del grado de inclinación de taludes provisionales sin sostenimiento en el Conglomerado de lima mediante la técnica de retroanálisis basado en el método de Equilibrio Límite." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/652234.

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La presente tesis de investigación fue elaborada con la finalidad de contribuir con el estudio de la construcción de rampas de acceso a excavaciones mediante el análisis de los taludes provisionales sin sostenimiento que garanticen la estabilidad global en el Conglomerado de Lima. Las rampas de acceso son estructuras provisionales cuya construcción no se rige bajo normativas o indicaciones establecidas, además no contempla un estudio, se basa en la experiencia del responsable en obra. La ciudad de Lima se emplaza sobre un suelo gravoso el cual contribuye a que sea posible optimizar el gra
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7

Júnior, Carlos Alberto Ribeiro. "Análise numérica de escorregamento em encostas." Universidade do Estado do Rio de Janeiro, 2011. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=5526.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>O perfeito entendimento de deslizamentos de terra tem sido objeto de grande interesse na engenharia geotécnica há muitos anos. Encostas naturais representam um desafio constante para os engenheiros, mais do que os taludes artificiais. Não é incomum que os escorregamentos causam perdas de vidas humanas e também danos materiais. As informações obtidas a partir de retro-análise de casos históricos, têm servido como uma ferramenta valiosa para a compreensão da estabilidade de taludes. Vale a pena notar que o primeiro método de cálculo
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8

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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9

Sitta, Martin. "Montovaná železobetonová konstrukce výrobní haly s administrativou." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265275.

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As the main topic this thesis describes the design and evaluation of selected reinforced concrete members of the prefabricated reinforced concrete industrial building with administration at ultimate limit state in accordance with applicable standards. Movable overhead crane with carrying capacity of 50 tons is the main distinction of the industrial hall. Lateral frame whit main structural parts which are roof prestressed girder, load-bearing column supporting the overhead crane and drilled pile transferring loads from the upper construction to the load bearing subsoil, is designed in particula
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10

SHARMA, SANDEEP. "STABILITY ANALYSIS OF A HILL SLOPE IN UZAN BAZAAR GUWAHATI USING FEM AND LEM APPROACH." Thesis, 2023. http://dspace.dtu.ac.in:8080/jspui/handle/repository/20052.

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The stability analysis of natural slopes holds significant importance in geotechnical design. Both engineering consultancies and research organizations utilize various computer aided design software to address these slope stability problems. This approach provides the ability to precisely anticipate critical failure surfaces through diverse methodologies. This M.Tech thesis focuses on performing stability analysis of a natural slope located in Uzan Bazaar Guwahati Assam. There have been frequent and periodical occurrences of natural disasters in the State of Assam, viz. landslides
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11

Alfortish, Michael Kevin. "A parametric study of twenty earthen levee cross sections from southeastern Louisiana using the LMVD Method of Planes and other limit equilibrium procedures." Thesis, 2009. http://hdl.handle.net/2152/ETD-UT-2009-08-375.

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The LMVD Method of Planes has been used for many years by the New Orleans District of the U.S. Army Corps of Engineers to analyze the stability of flood control structures in the New Orleans hurricane protections system. The Method of Planes assumes a three-part, noncircular slip surface and generally does not satisfy any form of static equilibrium. In computing a factor of safety, the Method of Planes considers a balance of horizontal “resisting” and “driving” forces in computing a factor of safety. To better understand how the results of slope stability analyses with the Method of Planes co
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12

(8098877), Thiago Fernandes Leao. "Development of an Educational Tool for Deterministic and Probabilistic Slope Stability Analysis." Thesis, 2019.

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<div>This research consists of the development of a new educational tool for calculations of 2D slope stability problems, named PNW-SLOPE. Slope stability has been considered one of the most important topics in geotechnical engineering for many years, so this is a subject which students should build a good background in the university. This program was created in Microsoft Excel with the aid of VBA (Visual Basic for Applications). The use of VBA allowed the creation of a good user interface, therefore those who are using the program can easily follow the instructions to create, analyze the mod
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13

Sengani, Fhatuwani. "Investigation of rockfall and slope instbility with advanced geotechnical methods and ASTER images." Thesis, 2003. http://hdl.handle.net/10500/27350.

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The objective of this thesis was to identify the mechanisms associated with the recurrence of rock-slope instability along the R518 and R523 roads in Limpopo. Advanced geotechnical methods and ASTER imagery were used for the purpose while a predictive rockfall hazard rating matrix chart and rock slope stability charts for unsaturated sensitive clay soil and rock slopes were to be developed. The influence of extreme rainfall on the slope stability of the sensitive clay soil was also evaluated. To achieve the above, field observations, geological mapping, kinematic analysis, and limit equilibri
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14

Sengani, Fhatuwani. "Investigation of rockfall and slope instability with advanced geotechnical methods and ASTER images." Thesis, 2021. http://hdl.handle.net/10500/27350.

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The objective of this thesis was to identify the mechanisms associated with the recurrence of rock-slope instability along the R518 and R523 roads in Limpopo. Advanced geotechnical methods and ASTER imagery were used for the purpose while a predictive rockfall hazard rating matrix chart and rock slope stability charts for unsaturated sensitive clay soil and rock slopes were to be developed. The influence of extreme rainfall on the slope stability of the sensitive clay soil was also evaluated. To achieve the above, field observations, geological mapping, kinematic analysis, and limit equilibri
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15

Αλεξάκης, Χαράλαμπος. "Ανάλυση οριακής κατάστασης και σεισμικής επάρκειας λίθινων αψίδων". Thesis, 2013. http://hdl.handle.net/10889/6145.

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Η παρούσα διατριβή επανεξετάζει την οριακή ανάλυση ευστάθειας των λίθινων αψίδων. Η οριακή ανάλυση ευστάθειας χρησιμοποιείται σήμερα ως το βασικό εργαλείο αποτίμησης της ευστάθειας τόξων και θολωτών κατασκευών από τοιχοποιία, όπως ακριβώς συνέβαινε και τους τελευταίους τέσσερις αιώνες. Παρά την τόσο μακρόχρονη ιστορία της μεθόδου, δεν έχουν πλήρως διασαφηνιστεί στην επιστημονική κοινότητα θεμελιώδης έννοιες και δεν έχουν σαφώς απαντηθεί ερωτήματα όπως: Ποιες είναι οι φυσικά πραγματοποιήσιμες γραμμές ώθησης και ποιες όχι; Ποια είναι η επίδραση της στερεοτομίας ενός τόξου στην οριακή του ευστάθε
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