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Dissertations / Theses on the topic 'GEOGRID REINFORCED'

Author: Grafiati

Published: 11 September 2023

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1

TEIXEIRA, CHRISTIANO FARIA. "ANALYSIS OF GEOGRID REINFORCED SOIL TESTS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2006. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=9595@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>A utilização de materiais geossintéticos como reforço em obras geotécnicas vem crescendo bastante nas últimas décadas. A geogrelha, cuja função primária é o reforço de solos, é um entre os diversos tipos de geossintéticos, que vêm sendo utilizados. Diversas são as formas de interação da geogrelha com o solo em um maciço reforçado e o entendimento dos mecanismos que se desenvolvem nestas interações é essencial, pois só a partir daí pode-se obter parâmetros confiáveis para projeto. Pesquisas vêm sendo realizadas por diversos

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Gunasekara, Jayalath Chamara Prasad. "Performance of geogrid-reinforced unpaved pavements under cyclic loading." Thesis, Queensland University of Technology, 2021. https://eprints.qut.edu.au/208419/1/Chamara%20Prasad_Gunasekara%20Jayalath_Thesis.pdf.

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Composite geogrids can successfully be used as a pavement-reinforcement material to increase the performance of pavement structures. This thesis presents a comprehensive study that has investigated the effectiveness of composite geogrids as subgrade reinforcement in unpaved granular pavements that are subjected to cyclic loading and constructed with local materials available in Queensland, Australia. The research outcomes suggest guidelines to design and construct unpaved granular pavements with the composite geogrid reinforcement at the base-subgrade interface. These guidelines benefit the in

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3

Berkheimer, Scott A. "Instrumented geogrid reinforced mechanically stabilized earth wall undergoing large settlement." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 140 p, 2007. http://proquest.umi.com/pqdweb?did=1338919121&sid=1&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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4

Correia, Natália de Souza. "Performance of flexible pavements enhanced using geogrid-reinforced asphalt overlays." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/18/18132/tde-05032015-100057/.

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The study of innovative pavements is of significant importance in geotechnical engineering in Brazil, due to the continued need to increase the network of roadways. This requires optimized projects, not only for economic, but also for technical reasons. Technical solutions that use geosynthetics in asphalt overlays have been identified to minimize fatigue and reflective cracks. However, the majority of the application of this technology has ignored the possible additional structural benefits brought by the inclusion of geosynthetics as reinforcement in asphalt layers. The objective of this res

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Sinmez, Bugra. "Characterization of Geogrid Reinforced Ballast Behavior Through Finite Element Modeling." Scholar Commons, 2019. https://scholarcommons.usf.edu/etd/7946.

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Recently, the railway pavement structure system, as an integral part of the transport infrastructure, has been under fast development in some countries such as China, Turkey, and some European Union countries, particularly for the use of high-speed trains. In designing and constructing the railway pavement structure, it is necessary to take into account the infrastructure demand of the High-Speed Railway Lines (HSRL). Compared to traditional railway trains, HSRL can cause more significant problems to the ballast or base layer of commonly used ballasted railway pavements. The deteriorated balla

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BASTOS, GERSON ALVES. "MECHANICAL BEHAVIOR OF ASPHALT MIXTURES REINFORCED WITH GEOGRID FOR FLEXIBLE PAVEMENTS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2010. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=16585@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>O principal objetivo deste trabalho foi avaliar o comportamento mecânico de misturas asfálticas reforçadas com geogrelhas. Inicialmente foram previstos ensaios a serem executados em um modelo físico de verdadeira grandeza. Entretanto, devido a um comprometimento estrutural localizado num dos componentes deste modelo físico durante a realização dos ensaios, optou-se por interromper a execução destes e então, elaborar um programa experimental de laboratório, que consistia da extração de amostras deste modelo físico de verdadeira gra

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Tiwari, Dipak. "BEARING CAPACITY OF SHALLOW FOUNDATION USING GEOGRID REINFORCED DOUBLE LAYERED SOIL." OpenSIUC, 2011. https://opensiuc.lib.siu.edu/theses/772.

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Since the last three decades, several studies have been conducted related to improvement in bearing capacity of pavements, embankments, and shallow foundations resting on geosynthetic reinforced soil. Most of the work has been carried out on single layer soil e.g., sand or clay layer only. Very few studies are available on a double layer soil system; but no study is available on the local soil of Carbondale, Illinois. The present study investigates the physical and engineering properties of a local soil and commonly available sand and improvement in the bearing capacity of a local soil for a r

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8

Chen, Cheng. "Discrete element modelling of geogrid-reinforced railway ballast and track transition zones." Thesis, University of Nottingham, 2013. http://eprints.nottingham.ac.uk/13399/.

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Track deterioration has a serious influence on the safety and efficiency (speed restriction) of train operations. Many expensive, disruptive and frequent repair operations are often required to maintain the ballast characteristics due to the problem of settlement. Because of this, a geogrid solution that has proved to be a simple and economical method of reinforcing track ballast is widely used. This project presents an evaluation of the behaviour of geogrid-reinforced railway ballast. Experimental large box pull-out tests were conducted to examine the key parameters influencing the interactio

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9

Scotland, Ian. "Analysis of horizontal deformations to allow the optimisation of geogrid reinforced structures." Thesis, Loughborough University, 2016. https://dspace.lboro.ac.uk/2134/23323.

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Geogrid reinforced structures have been successfully used for over 25 years. However their design procedures have remained largely focused on ultimate failure mechanisms, originally developed for steel reinforcements. These are widely considered over conservative in determining realistic reinforcement and lateral earth stresses. The poor understanding of deformation performance led many design codes to restrict acceptable soils to selected sand and gravel fills, where deformation is not as concerning. Within UK construction there is a drive to reduce wastage, improve efficiency and reduce asso

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10

Holst, Martin. "Numerical and Analytical Analysis of Geogrid Reinforced Soil Wall Subjected to Dynamic Loading." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for bygg, anlegg og transport, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-18803.

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The potential human and economic loss due to structural collapse of geo-synthetic reinforced soil walls during earthquakes us huge. This substantiates the need for reliable design of such structures. The focus of this study was numerical and analytical design geo-synthetic reinforced soil walls under dynamic loading. Two topics were addressed; the effect of reinforcement parameters and verification of pseudo-static methods. The study is based on a 1 m high reduced-scale shaking table model loaded using stepped-amplitude harmonic base acceleration amplitude. A numerical PLAXIS model was develo

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11

Wang, Zhijie Verfasser], Martin [Akademischer Betreuer] [Ziegler, and Herbert [Akademischer Betreuer] Klapperich. "Discrete element modeling of geogrid reinforced soil / Zhijie Wang ; Martin Ziegler, Herbert Klapperich." Aachen : Universitätsbibliothek der RWTH Aachen, 2016. http://d-nb.info/1130327027/34.

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Wang, Zhijie [Verfasser], Martin [Akademischer Betreuer] Ziegler, and Herbert [Akademischer Betreuer] Klapperich. "Discrete element modeling of geogrid reinforced soil / Zhijie Wang ; Martin Ziegler, Herbert Klapperich." Aachen : Universitätsbibliothek der RWTH Aachen, 2016. http://nbn-resolving.de/urn:nbn:de:hbz:82-rwth-2016-039067.

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13

Vickery, Chad Derrick. "Quantifying the Conditioning Period for Geogrid-Reinforced Aggregate Base Materials Through Cyclic Loading." BYU ScholarsArchive, 2020. https://scholarsarchive.byu.edu/etd/8518.

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Geogrid reinforcement can improve the performance of pavements by stiffening the aggregate base material and decreasing pavement deformations. Understanding the effects of cyclic loading on the modulus of geogrid-reinforced base materials would help engineers better anticipate actual increases in the modulus of aggregate base materials under given traffic loads. The objective of this laboratory research was to investigate the effects of cyclic loading on the resilient modulus, the modulus to peak axial stress, the elastic modulus, and the modulus at 2 percent strain of geogrid-reinforced aggre

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Laryea, Sydney N. K. B. "An investigation into the performance of railway sleeper types and geogrid-reinforced ballast." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/49708/.

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Reliability and safety represent key features of any successful railway system and compromising either has undeniable ramifications. Railway industry practitioners are continually challenged to deliver reliability and performance improvements whilst facing ever increasing service demands. These improvements are typically achieved through track maintenance and renewal activities, which have to be balanced against a requirement to reduce whole life-cycle costs. Research focusing on the optimisation of railway track components, which can then be translated to field practice, presents a real oppor

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Sweat, Eric J. "Investigation of Structural Capacity of Geogrid-Reinforced Aggregate Base Materials in Flexible Pavements." BYU ScholarsArchive, 2016. https://scholarsarchive.byu.edu/etd/6060.

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The installation of geogrid as a means of extending the service life of a roadway or reducing the required base course thickness of a pavement structure has become increasingly popular. The realization of these benefits depends largely on the degree to which the geogrid reinforcement leads to an increase in the stiffness of the aggregate base course layer. The objective of this research was to investigate the structural capacity of geogrid-reinforced aggregate base materials in flexible pavements through full-scale testing. The scope involved field testing at two sites in northern Utah that ea

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Knighton, Jaren Tolman. "Investigation of Laboratory Test Procedures for Assessing the Structural Capacity of Geogrid-Reinforced Aggregate Base Materials." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/4443.

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The modulus of aggregate base layers in pavement structures can potentially be increased through the use of geogrid. However, methods for determining how much structural benefit can be expected from a given geogrid product have not been standardized. A laboratory testing protocol is therefore needed to enable evaluation, in terms of modulus or California bearing ratio (CBR), for example, of the degree of improvement that may be achieved by a given geogrid. Consequently, the objective of this research was to identify a laboratory test method that can be used to quantify improvements in structur

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17

Clapp, Joshua David. "Analysis of Rutting Development in Flexible Pavements with Geogrid-reinforced Base Layers Using 3D Finite Element Analysis." Fogler Library, University of Maine, 2007. http://www.library.umaine.edu/theses/pdf/ClappJD2007.pdf.

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18

Oliveira, Evailton Arantes de. "Ensaios de arrancamento de geogrelha, utilizando um equipamento reduzido, em amostras de um solo típico da cidade de Manaus." Universidade Federal do Amazonas, 2014. http://tede.ufam.edu.br/handle/tede/4641.

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Submitted by Geyciane Santos (geyciane_thamires@hotmail.com) on 2015-09-30T14:50:43Z No. of bitstreams: 1 Dissertação - Evailton Arantes de Oliveira.pdf: 7555305 bytes, checksum: 2c240f5c22ffe712c469fdbb9709b393 (MD5)<br>Approved for entry into archive by Divisão de Documentação/BC Biblioteca Central (ddbc@ufam.edu.br) on 2015-10-09T13:28:31Z (GMT) No. of bitstreams: 1 Dissertação - Evailton Arantes de Oliveira.pdf: 7555305 bytes, checksum: 2c240f5c22ffe712c469fdbb9709b393 (MD5)<br>Approved for entry into archive by Divisão de Documentação/BC Biblioteca Central (ddbc@ufam.edu.br) on 2015-10-09

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Fryš, František. "Srovnávací analýza modelování pohledového čela vyztuženého násypu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226338.

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The thesis deals with numerical modeling of reinforced earth wall. The first part of the thesis characterizes and describes these constructions in general and also describes variations of their faces. In the next part the modeling of basic reinforced earth wall construction elements in Plaxis 2D is described. Subsequently the real reinforced earth wall is modeled and some variations of face-modeling are compared.

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20

Elshesheny, Ahmed. "Dynamic soil-structure interaction of reinforced concrete buried structures under the effect of dynamic loads using soil reinforcement new technologies. Soil-structure interaction of buried rigid and flexible pipes under geogrid-reinforced soil subjected to cyclic loads." Thesis, University of Bradford, 2019. http://hdl.handle.net/10454/18312.

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Recent developments in constructions have heightened the need for protecting existing buried infrastructure. New roads and buildings may be constructed over already existing buried infrastructures e.g. buried utility pipes, leading to excessive loads threatening their stability and longevity. Additionally applied loads over water mains led to catastrophic damage, which result in severe damage to the infrastructure surrounding these mains. Therefore, providing protection to these existing buried infrastructure against increased loads due to new constructions is important and necessary. In this

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Santos, Eder Carlos Guedes dos. "Aplicação de resíduos de construção e demolição reciclados (RCD-R) em estruturas de solo reforçado." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/18/18132/tde-10042007-110106/.

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O intenso crescimento populacional traz consigo uma preocupação ambiental, já que, diante da necessidade de exploração dos recursos naturais, a adoção de políticas de reciclagem faz-se fundamental para alcançar o desenvolvimento sustentável. Neste cenário, apesar dos resíduos de construção e demolição (RCD) possuírem alto potencial de reciclagem, a estes sempre foi dispensado o tratamento de lixo. Além disso, os estudos realizados visando à reciclagem dos RCD mostram-se bastante concentrados na produção de agregados para a fabricação de concreto e para a aplicação em pavimentação. Diante disso

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22

Khoueiry, Nicole. "Study of granular platforms behaviour over soft subgrade reinforced by geosynthetics : Experimental and numerical approaches." Thesis, Lyon, 2020. http://www.theses.fr/2020LYSEI027.

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Les géosynthétiques sont utilisés depuis les années 70 dans le renforcement des plateformes granulaires reposant sur des sols de faible portance pour des applications de routes non revêtues. La complexité des mécanismes développés et la diversité des produits de renforcement nécessitent encore d’étudier ces plateformes renforcées. Un essai au laboratoire permettant de tester des plateformes à échelle réelle a été développé. Une plateforme granulaire non revêtue reposant sur un sol de faible portance a été reproduite. Un protocole de mise en place de ce sol a été élaboré pour assurer son homogé

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Sarmiento, Valencia Renzo Fernando, and Mendez Brandon Manuel Velarde. "Propuesta de diseño de muro de suelo reforzado como estribo de puente por el Metodo LRFD y verificación de deformaciones mediante el análisis de elementos finitos para altas solicitaciones en la mina Cuajone -Perú." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2021. http://hdl.handle.net/10757/655859.

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La presente investigación alcanza una alternativa de utilizar los muros de suelo reforzado como estribos de puente en la mina Cuajone situado en el departamento de Moquegua, con el objetivo de comprobar si es posible que estas estructuras soporten las altas cargas de los camiones mineros que transitan por los “Haul Road” de la mina. Luego, se desarrolla los procedimientos de diseño estructural del muro MSE con la metodología LRFD según la norma AASHTO. Finalmente, se verifica los resultados que se obtuvieron mediante el modelo y el análisis de los elementos finitos del diseño consolidado en el

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Zakaria, Nor Azazi Bin. "Construction on supersoft soils using geogrids." Thesis, University of Newcastle Upon Tyne, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239744.

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BECKER, LEONARDO DE BONA. "BEHAVIOR OF GEOGRIDS IN REINFORCED SOIL WALL AND PULLOUT TESTS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2006. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=8794@1.

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HUESKER SYNTHETIC GMBH<br>No presente trabalho foi estudado o comportamento de um muro de solo reforçado com 5m de altura e 1700m de extensão, construído como parte do dique que compõe o Depósito de Resíduos de Bauxita 7 da ALCOA Alumínio S.A. em Poços de Caldas, MG. Neste muro foram empregados um solo residual siltoargiloso obtido no local e geogrelhas. O muro foi instrumentado para medição de deslocamentos horizontais e verticais durante a construção. Na mesma área, também foi construído um aterro experimental de 2,6m de altura que permitiu a realização de 16 ensaios de arrancamento d

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Mataramba, Kankanamge Kasun Dilhara Wimalasena. "Evalutate the performance of geosynthetic reinforced subgrades under monotonic loading." Thesis, Queensland University of Technology, 2022. https://eprints.qut.edu.au/235924/1/Kasun_Kankanamge_Thesis.pdf.

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A series of large-scale pavement model tests were conducted in a laboratory environment to investigate the effect of geosynthetics in improving the modulus of weak subgrades. Then, a series of supplement design charts that could be useful for industry practitioners to design geosynthetic reinforced flexible pavements were developed. The outcomes of this study promote the use of geosynthetics in road construction to make economical, environmentally friendly, climate resilient, and sustainable road infrastructure.

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Teixeira, Sidnei Helder Cardoso. "Estudo da interação solo-geogrelha em testes de arrancamento e a sua aplicação na análise e dimensionamento de maciços reforçados." Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/18/18132/tde-07042006-114840/.

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O conhecimento dos mecanismos de interação entre o solo e os geossintéticos é fundamental para o dimensionamento de obras em solo reforçado. Entretanto, em função das diferentes formas geométricas das superfícies das inclusões, a interação pode ocorrer de maneiras distintas. Para as geogrelhas, o arrancamento representa o mecanismo de interação que, em alguns casos, melhor retrata as situações que ocorrem no campo. Esta tese apresenta uma análise dos principais fatores que influenciam na interação entre o solo e as geogrelhas quando solicitadas ao arrancamento, utilizando equipamentos de teste

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Kakuda, Francis Massashi. "Estudo de ensaios de arrancamento de geogrelha com utilização de equipamento reduzido." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/18/18132/tde-14062005-091538/.

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Este trabalho apresenta resultados de ensaios de arrancamento de geogrelha, obtidos com a utilização de equipamento de dimensões reduzidas. A força de arrancamento foi aplicada por uma máquina universal com capacidade máxima de 30kN, dotada de instrumentação que permitiu registrar a força de arrancamento e o deslocamento da geogrelha em relação ao solo envolvente. Além disto, o ensaio foi instrumentado com uma célula de tensão total instalada no nível da inclusão. A grande vantagem deste equipamento é o pequeno volume de solo utilizado, resultando em um ensaio mais rápido e econômico, proporci

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MINILIK, TAMENE. "DESIGN AND ANALYSIS OF REINFORCED SLOPE USING GEOGRID." Thesis, 2019. http://dspace.dtu.ac.in:8080/jspui/handle/repository/16724.

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This study investigated the use of geogrids for ground improvement based on numerical analysis using Plaxis and Geostudio software. Owing to the low shear strength and excessive settlement of the sandy soil, geogrids materials were used to reinforce the soil taking advantage of their good tensile strength. Geogrids were applied in three layers after the design output. The reinforced mechanism of geogrids was analyzed based on modelling outputs and results. Output results from the Plaxis and Geostudio software showed a significant decrease in displacement and increase in factor of safety after

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Joshi, Rutuparna Vidyadhar. "Field performance of geogrid reinforced low-volume pavements." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-05-1381.

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For the past three decades, geosynthetics have been recognized as materials that can significantly improve the performance of pavements on weak subgrade. Pavements exhibit non-linear elasto-plastic behavior. The addition of geosynthetics is undoubtedly beneficial. This being said, researchers have concentrated more on lower life cycle cost and high benefit-cost ratio whereas much less attention has been given to the complex behavior of the reinforced pavement system. Comprehension of the short-term and long-term field performance of reinforced pavements under continued traffic and cyclic envir

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Aggarwal, Praveen. "Numerical modelling of geogrid reinforced unpared flexible pavement." Thesis, 2002. http://localhost:8080/iit/handle/2074/6067.

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Priyadarshini, Sujata. "Static and Dynamic Analysis of Geogrid Reinforced Unpaved Road." Thesis, 2015. http://ethesis.nitrkl.ac.in/6967/1/2015_Sujata_MTR_612CE1007.pdf.

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With Emphasis on greater connectivity, there is a need of unpaved road to achieve economy. In this study a large scale laboratory plate load test was conducted on a circular footing resting on with and without geogrid reinforced bed. Sand and granular materials are used as subgrade and subbase layer. The experiments were conducted for both static and dynamic loading .Test result reveals that with the addition of geogrid the settlement has reduced up to 40-60% as compared to unreinforced section. The experimental static results have validated with numerical modelling using both Finite element m

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Kwon, Jayhyun. "Development of a mechanistic model for geogrid reinforced flexible pavements /." 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3269949.

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Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2007.<br>Source: Dissertation Abstracts International, Volume: 68-06, Section: B, page: 3986. Adviser: Erol Tutumluer. Includes bibliographical references (leaves 216-228) Available on microfilm from Pro Quest Information and Learning.

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Leng, Jianjun. "Characteristics and behavior of geogrid-reinforced aggregate under cyclic load." 2002. http://www.lib.ncsu.edu/theses/available/etd-01222003-203250/unrestricted/etd.pdf.

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Chang, Chia-Ming, and 張家銘. "The Numerical Simulation of Plane Strain Test of Geogrid Reinforced Soil." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/83142243001466360612.

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碩士<br>國立成功大學<br>土木工程學系碩博士班<br>96<br>The study discussed the stress-strain behavior and volumetric-strain behavior of reinforced soil, and the tension-strain of reinforcement at plane strain test by numerical method. The numerical model was also verified from the laboratory data of the plane strain test. The numerical method adopted the analytic model of two-dimensional (2D) and three-dimensional (3D) modes. First phase is to construct the 2D analytic model, and correct the parameters by the laboratory result of the plane strain test. Then 3D model was developed from converting the 2D analytic

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CHAN, BING-FU, and 詹秉富. "Model Tests on Geogrid-Reinforced Soil Retaining Wall Backfilled with Gravel." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/33548640123592476932.

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碩士<br>國立雲林科技大學<br>營建工程系<br>104<br>In this study, a series of plane strain model tests on wrap-faced geogrid-reinforced soil (GRS) retaining wall bacfilled with gravels were conducted. Three types of geogrids having different nominal strengths were used. The dimensions of the model wall were 183 cm (width) × 80 cm (depth) × 112 cm (height). A strip footing of 30 cm wide, having its setback distance equal to 50cm was located on the surface of backfill to resist the applied vertical load during model test. The vertical pressure and displacement of footing base were measured in the tests. Besides,

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Mohanty, Manas. "Behavior of strip footing on multi-layered geogrid reinforced sand bed." Thesis, 2007. http://ethesis.nitrkl.ac.in/4162/1/BEHAVIOR_OF_STRIP.pdf.

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Soil Reinforcement is an effective and reliable technique for improving the strength and stability of soil. The reinforced soil or mechanically stabilized earth is a compacted soil fill, strengthened by the inclusion of tensile elements like geogrids, geotextiles, metal bars and strips. It is now well established in heavy construction industry for the construction of structures like retaining walls, embankments over soft soil, steep slopes etc. Several papers relating to the evaluation of the ultimate and allowable bearing capacities of shallow foundation supported by geogrid reinforced sand a

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GUPTA, SHILPI. "ANALYSIS OF GEOGRID REINFORCED POND ASH EMBANKMENT USING FINITE ELEMENT METHOD." Thesis, 2016. http://dspace.dtu.ac.in:8080/jspui/handle/repository/14490.

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The disposal of enormous quantity of pond ash from thermal power plants has been a major environmental concern over a period of last few decades that encourages civil engineers worldwide to use pond ash extensively to protect the environment and save natural resources. An infrastructure project such as reclamation, highways, water reservoirs, railways etc, require earth material in very large quantity as there is a shortage of good soil in most urban areas. In such situations construction of pond ash embankments with steep slope is worth considering, as the pond ash is freely available m

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BARMAN, SUKRITI. "STUDY ON IMPROVEMENT OF STABILITY OF RETAINING WALL REINFORCED WITH GEOGRID." Thesis, 2022. http://dspace.dtu.ac.in:8080/jspui/handle/repository/19420.

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Mechanically stabilized earth (MSE) retaining wall is a distinctive structure which is used extensively in the recent days. Generally, there are various types of soil reinforcement can be used in mechanically stabilized earth retaining wall. Steel strip, welded steel grid, wire mesh, geogrids, and geotextile sheets are examples of modern soil-reinforcing elements. The adoption of a facing system minimizes soil erosion between reinforcing parts and enables for the safe construction of steep slopes and steep walls. Since the early 1970s, geosynthetic materials are produced and then used as

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Yang, Zhe-Wei, and 楊哲瑋. "Horizontal Deformation of Geogrid-reinforced Soil Retaining Wall with Wrapped-around Facing." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/02325296114653941626.

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碩士<br>國立雲林科技大學<br>營建工程系<br>102<br>In this study, the re-analyzed test results of facing deformation of a series of model tests on wrap-faced geogrid-reinforced soil (GRS) retaining wall were presented. The adopted backfill of GRS retaining wall was sand or gravel. Four types of geogrids having different nominal strengths were used. For the case of setback distance equal to 50cm, the dimensions of the model wall were 183 cm (width) × 80 cm (depth) × 112 cm (height). A strip footing of 30 cm wide, having its setback distance equal to 35cm, 50cm, or 65cm, was located on the surface of backfill to

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Mahanta, Annapurna. "Bearing Capacity of Eccentrically Loaded Embedded Square Footing on Geogrid Reinforced Sand." Thesis, 2015. http://ethesis.nitrkl.ac.in/7512/1/153.pdf.

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Although lot many research works have been conducted on shallow foundations, still eccentric loadings under geogrid reinforced sand bed for different overburden depths are manifested very less. In this thesis, a sharp look has been given to the behavior of square footings under different loading conditions. Here, a number of tests have been carried out on square footing ,of dimension, 10cm x 10cm, on reinforced sand bed. The eccentricities of the footing are varied from 0.05B to 0.15B,with an increment of 0.05B. The biaxial geogrid used here is TGB-40, placed in varying number of layers as 0,

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Elshesheny, Ahmed, Mostafa H. A. Mohamed, N. M. Nagy, and Therese Sheehan. "Numerical behaviour of buried flexible pipes in geogrid-reinforced soil under cyclic loading." 2020. http://hdl.handle.net/10454/18416.

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Yes<br>Three-dimensional finite element models were executed and validated to investigate the performance of buried flexible high-density Polyethylene (HDPE) pipes, in unreinforced and multi-geogrid-reinforced sand beds, while varying pipe burial depth, number of geogrid-layers, and magnitude of applied cyclic loading. Geogrid-layers were simulated considering their geometrical thickness and apertures, where an elasto-plastic constitutive model represented its behaviour. Soil-geogrid load transfer mechanisms due to interlocked soil in-between the apertures of the geogrid-layer were modelled. I

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JHU, GUO-BIN, and 朱國賓. "Model Tests on Geogrid-Reinforced Soil Retaining Wall Backfilled with Coarse-grained Soil." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/58888822767410086936.

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碩士<br>國立雲林科技大學<br>營建工程系<br>104<br>In this study, a series of plane strain model tests on wrap-faced geogrid-reinforced soil (GRS) retaining wall were conducted. Two types of coarse-grained soils, namely, sand and gravel, were adopted as the backfills of GRS retaining wall. Two types of geogrids having different nominal strengths were used. The dimensions of the model wall were 183 cm (width) × 80 cm (depth) × 112 cm (height). A strip footing of 30 cm wide, having its setback distance equal to 50cm was located on the surface of backfill to resist the applied vertical load during model test. The

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Alam, Shamshad. "Bearing Capacity of Rectangular Footing Resting Over Geogrid Reinforced Sand Under Eccentric Loading." Thesis, 2014. http://ethesis.nitrkl.ac.in/5631/1/212CE1020.pdf.

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A number of works have been carried out for the evaluation of a ultimate bearing capacity of shallow foundation, supported by geogridreinforced sand and subjected to centric load. Few experimental studies have been made on the calculation of bearing capacity of shallow foundation on geogrid-reinforced sand under eccentric loading. The purpose of this research work is to conduct model tests in the laboratory by utilizing rectangular surface foundation resting over the reinforced sand. The model tests have been conducted using rectangular footing with B/L=0.5 & 0.33. The average relative density

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RANJAN, BHASKAR. "NUMERICAL ANALYSIS OF CENTRALLY AND ECCENTRICALLY LOADED SQUARE FOOTING ON GEOGRID-REINFORCED SOIL." Thesis, 2020. http://dspace.dtu.ac.in:8080/jspui/handle/repository/18077.

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Since Terzaghi gives his hypothesis “Theoretical soil Mechanics (1943)”, various researches have been published their works on the ultimate bearing capacity of the foundation. Most of these works are related to vertical centric loading. A few works have also done on eccentric loading. After going through a lot of existing literature, evidence suggested that reinforcement could be an effective method to increase the bearing capacity of foundation in eccentric and centric loading. But a detailed study for eccentric loading for square footing is not done. The purpose of this work is to find

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SINGH, VEER VIKRAM. "NUMERICAL ANALYSIS OF RAILWAY FORMATION WITH GEOGRID REINFORCED BALLAST AND BLANKET LAYER FOR HIGH-SPEED RAIL." Thesis, 2023. http://dspace.dtu.ac.in:8080/jspui/handle/repository/20067.

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India will launch a high-speed rail project to improve the travel time between cities in the upcoming years. Upgrading its current speed of 180 km/h to a high speed of 360 km/h will be a turning point in railway transportation. The Vande Bharat Express is the current high-speed train that travels at a speed of 180 km/hr. India intends to start its first bullet train by 2026. But as the travel speed increases, the stresses will increase on the existing soil formation. The strains on India's railway subgrade component would significantly rise with the addition of high-speed railways

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Elshesheny, Ahmed, Mostafa H. A. Mohamed, and Therese Sheehan. "Protection of buried rigid pipes using geogrid-reinforced soil systems subjected to cyclic loading." 2020. http://hdl.handle.net/10454/18408.

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Yes<br>The performance of buried rigid pipes underneath geogrid-reinforced soil while applying incrementally increased cyclic loading was assessed using a fully instrumented laboratory rig. The influence of varying two parameters of practical importance was investigated; the pipe burial depth and the number of geogrid-layers. Measurements were taken for pipe deformation, footing settlement, strain in pipe and reinforcing layers, and pressure/soil stress on the pipe crown during various stages of cyclic loading. The research outcomes demonstrated a rapid increase in the rate of deformation of t

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AnhDuc, Mai, and 梅安篤. "Evaluating the Performance of Geogrid Reinforced Secondary Road Using Mechanical-Empirical Pavement Design Guide." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/69053075104055540639.

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碩士<br>國立成功大學<br>土木工程學系碩博士班<br>100<br>In the past decade, numerous studies have shown that incorporating geogrid in the pavement could effectively improve the pavement performance. Pavement performance is usually measured in terms of individual pavement distress such as rutting, crack, etc. The major benefit of using geogrid in the flexible pavement is to improve its rutting performance as the result of the reinforcement function of geogrid. Mechanical-Empirical Pavement Design Guide (M-E PDG) developed under the National Corporative Highway Research Program (NCHRP) is a powerful tool to analys

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Suku, Lekshmi. "Response of Geosynthetic Reinforced Granular Bases Under Repeated Loading." Thesis, 2016. http://etd.iisc.ac.in/handle/2005/3740.

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Key factors that influence the design of paved and unpaved roads are the strength and stiffness of the pavement layers. Among other factors, the strength of pavements depends on the thickness and quality of the aggregates used in the pavement base layer. In India and many other countries, there is a high demand for good quality aggregates and the availability of aggregate resources is limited. There is a need for the development of sustainable construction methods which can handle aggregate requirements with least available resources and provide good performance. Hence it is imperative to stri

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50

Suku, Lekshmi. "Response of Geosynthetic Reinforced Granular Bases Under Repeated Loading." Thesis, 2016. http://etd.iisc.ernet.in/2005/3740.

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Key factors that influence the design of paved and unpaved roads are the strength and stiffness of the pavement layers. Among other factors, the strength of pavements depends on the thickness and quality of the aggregates used in the pavement base layer. In India and many other countries, there is a high demand for good quality aggregates and the availability of aggregate resources is limited. There is a need for the development of sustainable construction methods which can handle aggregate requirements with least available resources and provide good performance. Hence it is imperative to stri

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