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Teses / dissertações sobre o tema "Expansion de soi"

Autor: Grafiati

Publicado: 12 de outubro de 2024

Última modificação: 31 de julho de 2025

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1

Nachit, Oussama. "Mieux comprendre l'EXPansion et l'EXTension de soi du consommateur : une application à un objet connecté." Electronic Thesis or Diss., Université de Montpellier (2022-....), 2024. http://www.theses.fr/2024UMOND008.

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Dans un monde technologiquement avancé où les objets connectés deviennent une partie de notre identité personnelle, cette thèse examine les relations entre les individus et leur montre connectée à travers les prismes de l'EXPansion de soi (Aron et Aron, 1986) et de l'EXTension de soi (Belk, 1988). Cette recherche met en lumière la manière complexe et riche dont les individus intègrent ces dispositifs dans leur conception de soi, modulant ainsi leur attachement et leur intention de poursuivre l'utilisation de ces technologies. Ainsi, la problématique de ce travail doctoral s'articule comme suit

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2

Castro, Gonzales Milagros Alessandra, and Pereyra Jesus David Navarro. "Análisis de mejora de suelos arcillosos de alta plasticidad a nivel de subrasante mediante adición de cemento Portland para disminuir el cambio volumétrico." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2019. http://hdl.handle.net/10757/626119.

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Esta investigación comprende el potencial de resistencia y la expansión que presenta el suelo, dicha evaluación es realizada mediante ensayos CBR. Se utiliza la técnica de suelo cemento para mejorar las características físicas y mecánicas, este proceso consiste en mezclar al material con cemento Portland Tipo I formando suelo cemento 10%, 15% y 20%, los cuales presentan un incremento del CBR (máximo: 138.7% y mínimo: 91.9%) logrando un tipo de subrasante extraordinaria para resistir la estructura del pavimento y una reducción de 7.18% en la expansión de las muestras.<br>This research includes

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3

Russell, Adrian Robert Civil &amp Environmental Engineering Faculty of Engineering UNSW. "Cavity expansion in unsaturated soils." Awarded by:University of New South Wales. School of Civil and Environmental Engineering, 2004. http://handle.unsw.edu.au/1959.4/22263.

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The problem of cavity expansion in unsaturated soils is investigated. A unified constitutive model for unsaturated soils is presented in a critical state framework using the concepts of effective stress and bounding surface plasticity theory. Consideration is given to the effects of suction and particle crushing in the definition of the critical state. A simple isotropic elastic rule is adopted. A loading surface and bounding surface of the same shape are defined using simple and versatile functions. A limiting isotropic compression line exists, towards which the stress trajectories of all iso

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4

Evans, Michael, Richard W. Stoffle, and Elizabeth Krause. "Santa Fe Ski Basin Proposed Expansion Ethnographic Assessment." Bureau of Applied Research in Anthropology University of Arizona, 1993. http://hdl.handle.net/10150/271443.

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The purpose of this research study was to conduct an ethnographic assessment for an Environmental Impact Statement (EIS) of a proposed expansion plan for the Santa Fe Ski Area located in the Sangre de Cristo Mountains north of Santa Fe, New Mexico. Along with expansion into forest areas outside the existing Special Use permit boundaries, the proposed plan includes new buildings, parking lots, lifts, ski runs, and snowmaking within the existing ski area boundary. The ethnographic assessment concentrates on those cultural resources known to be in the area, as identified by Pueblo participant

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5

Simões, Francisco Xavier Paranhos Coêlho. "Avaliação da regeneração óssea, sob a influência do laser de baixa intensidade, na região da sutura palatina de ratos após expansão da maxila." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/23/23132/tde-08042009-152050/.

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Uma das condutas terapêuticas mais adotadas na prática ortodôntica para a correção da mordida cruzada posterior é a expansão rápida da maxila. A recidiva pós-disjunção demonstra a necessidade do uso de contenção para garantir o sucesso da terapia. A sutura neoformada e as maxilas devem se manter em sua nova posição por um período mínimo para adquirir estabilidade. Seria um benefício acelerar a neoformação óssea na sutura palatina após a expansão com o objetivo de reduzir o tempo do período de contenção. O uso do laser na regeneração óssea é justificada pela possibilidade de diminuir o tempo de

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6

Sapkota, Binod Kumar. "Soil/pavement interaction for pavements on expansive soil." Thesis, Queensland University of Technology, 1994.

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7

Ehrenstråhle, Carl. "Polynomial Expansion-Based Displacement Calculation on FPGA." Thesis, Linköpings universitet, Datorteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-132755.

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This thesis implements a system for calculating the displacement between two consecutive video frames. The displacement is calculated using a polynomial expansion-based algorithm. A unit tested bottoms-up approach is successfully used to design and implement the system. The designed and implemented system is thoroughly elaborated upon. The chosen algorithm and its computational details are presented to provide context to the implemented system. Some of the major issues and their impact on the system are discussed.

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8

Guidi, Claudia. "Soil organic carbon responses to forest expansion on mountain grasslands." Doctoral thesis, country:DK, 2015. http://hdl.handle.net/10449/25091.

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Grassland abandonment followed by progressive forest expansion is the dominant land-use change in the European Alps. Contrasting trends in soil organic carbon (SOC) stocks have been reported for mountainous regions following forest expansion on grasslands. Moreover, its effects on SOC properties involved into long-term stability are largely unknown. The aim of this PhD thesis was to explore changes in: (i) SOC stocks; (ii) physical SOC fractions and their sensitivity to SOC changes; and (iii) labile carbon (C) in soil and fractions following forest expansion on mountain grasslands. A land-use

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9

Abed, Ayman A. "Numerical modeling of expansive soil behavior /." Stuttgart : IGS, 2008. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=016534652&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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10

Zein, Abdel Karim Mohammad. "Swelling characteristics and microfabric of compacted black cotton soil." Thesis, University of Strathclyde, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.332595.

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11

BELCHIOR, INGRID MILENA REYES MARTINEZ. "BEHAVIOR OF A LIME-TREATED EXPANSIVE SOIL." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2016. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=29430@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>PROGRAMA DE EXCELENCIA ACADEMICA<br>Os principais objetivos desta pesquisa são investigar o efeito da cal hidratada (HL) no comportamento de um solo expansivo, Eagle Ford do Texas (USA), e medir a eficiência do tratamento com cal sobre a redução da expansão através de variações das condições de preparação das amostras. Este estudo envolveu ensaios edométricos e ensaios de centrífuga, que é uma nova técnica desenvo

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Franco, André Luiz Custódio. "Soil engineering by macroinvertebrates: controls on soil organic matter storage across land use change." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/11/11140/tde-26052015-165800/.

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Globally land use change (LUC) with increasing in land use intensity has led to a decrease in soil organic matter (SOM). The reduction of soil C stock across LUC has been accompanied by a destabilization of soil structure and increases the soil erosion susceptibility. The destabilized soil structure is also concomitant with a loss of soil biodiversity and in particular, soil macroinvertebrate community. The focus of this dissertation is the effect of LUC with increasing in land use intensity on soil macrofauna, aggregation and SOM allocation. We hypothesized that LUC reduces soil macrofaunal b

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13

Oliveira, Alice Quintela Lopes. "A legitimidade do direito penal do risco : uma proposta sob as perspectivas do funcionalismo teleológico." Universidade Federal de Alagoas, 2009. http://repositorio.ufal.br/handle/riufal/757.

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The present paper analyzes the...<br>Fundação de Amparo a Pesquisa do Estado de Alagoas<br>A presente dissertação analisa a pretensa inadequação e insuficiência de direito penal tradicional diante da complexidade...

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Cherubin, Maurício Roberto. "Soil quality response to land-use change for sugarcane expansion in Brazil." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/11/11140/tde-16062016-160123/.

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Globally, increasing demands for biofuels have intensified the rate of land-use change (LUC) for expansion of bioenergy crops. In Brazil, the world\'s largest sugarcane-ethanol producer, sugarcane area has expanded by 35% (3.2 Mha) in the last decade. Sugarcane expansion has resulted in extensive pastures being subjected to intensive mechanization and large inputs of agrochemicals, which have direct implications on soil quality (SQ). We hypothesized that LUC to support sugarcane expansion leads to overall SQ degradation. To test this hypothesis we conducted a field-study at three sites in the

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15

Henderson, Susan J. "Expansive soil/footing systems incorporating compressible void formers." Thesis, Queensland University of Technology, 1988. https://eprints.qut.edu.au/36466/1/36466_Henderson_1988.pdf.

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Paper-derived void formers for footings have changed little since they were developed nearly three decades ago, when practical understanding of the behaviour of expansive clays and consequent soil-structure interaction was just emerging. In this thesis, current understanding and analytical techniques are applied to investigate the performance of pier-and-beam footings incorporating void formers. Published soil supplemented by a suction data were collated program of sampling below slabs and to provide soil moisture conditions, before construe .~ion, typical of the semi-arid cent

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16

Turmena, Leandro. "O PÚBLICO, O PRIVADO E O ESTADO SOB A LÓGICA DO CAPITAL: A EXPANSÃO DO ENSINO SUPERIOR NO SUDOESTE DO PARANÁ." UNIVERSIDADE ESTADUAL DE PONTA GROSSA, 2009. http://tede2.uepg.br/jspui/handle/prefix/1287.

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Made available in DSpace on 2017-07-21T20:31:46Z (GMT). No. of bitstreams: 1 Leandro Turmena.pdf: 3123947 bytes, checksum: 4dc3bc5e750ec1ad33a708df503b829d (MD5) Previous issue date: 2009-07-31<br>of Paraná in the period of 1967 to 2009. The political and economical determinants of the process of expansion of higher education in this region are analyzed, considering the social organization of work (capitalist relationships of production) and the function of the State in the formation of educational politics. The cutting of the object indicates the origin of the first IES (the decade of 1960)

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17

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

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

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18

Lopes, Cassiomar Rodrigue. "Expansão da silvicultura de eucalipto no bioma cerrado: uma análise sob a perspectiva dos fatores físicos e socioeconômicos." Universidade Federal de Goiás, 2013. http://repositorio.bc.ufg.br/tede/handle/tede/3250.

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Submitted by Luciana Ferreira (lucgeral@gmail.com) on 2014-10-02T12:37:08Z No. of bitstreams: 2 Dissertação - Cassiomar Rodrigues Lopes - 2013.pdf: 4397463 bytes, checksum: 77e10a2616b5b02b9cfa4d9278944278 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)<br>Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2014-10-02T15:57:02Z (GMT) No. of bitstreams: 2 Dissertação - Cassiomar Rodrigues Lopes - 2013.pdf: 4397463 bytes, checksum: 77e10a2616b5b02b9cfa4d9278944278 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (

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19

Udukumburage, Rajitha Shehan. "Investigation of climatic-induced ground responses in expansive soils." Thesis, Queensland University of Technology, 2020. https://eprints.qut.edu.au/198195/1/Rajitha%20Shehan_Udukumburage_Thesis.pdf.

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This thesis presents a practical approach for geotechnical practitioners to investigate the climatic-induced ground responses in expansive soils. The method is based on a novel long-term operable instrumented soil column (ISC). This research investigated the applicability of the current displacement models to the Australian context. As a result, the structural damages and maintenance costs due to cracking of light-weight structures founded on such soils can be minimised, and more importantly, the hazards to human lives can be prevented by improved decisions.

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20

Hamadto, Mohammed El Fatih Mukhtar. "Expansive soil behaviour and the development of a knowledge based system associated with foundations in expansive soils." Thesis, Heriot-Watt University, 2000. http://hdl.handle.net/10399/526.

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21

Baser, Onur. "Stabilization Of Expansive Soils Using Waste Marble Dust." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610339/index.pdf.

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Expansive soils occurring in arid and semi-arid climate regions of the world cause serious problems on civil engineering structures. Such soils swell when given an access to water and shrink when they dry out. Several attempts are being made to control the swell-shrink behavior of these soils. Soil stabilization using chemical admixtures is the oldest and most widespread method of ground improvement. In this study, waste limestone dust and waste dolomitic marble dust, by-products of marble industry, were used for stabilization of expansive soils. The expansive soil is prepared in laboratory as

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22

Gomes, Ribamar de Jesus. "Estudo geotecnico de um solo superficial da cidade de Bragança Paulista - SP." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/258204.

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Orientador: David de Carvalho<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Civil, Arquitetura e Urbanismo<br>Made available in DSpace on 2018-08-09T15:24:02Z (GMT). No. of bitstreams: 1 Gomes_RibamardeJesus_M.pdf: 3281674 bytes, checksum: 135d37dcb38ea7208dfdb87b862c01d7 (MD5) Previous issue date: 2006<br>Resumo: Estuda-se o comportamento geotécnico de um perfil de solo tropical típico da região de Bragança Paulista - SP. Esse perfil é classificado pela pedologia como um Latossolo Vermelho Amarelo. Para atingir esse objetivo foram realizados ensaios

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23

Zuckerman, Shlomit. "The Expansion of Newborn Screening In Israel: Ethical and Social Dimensions." Cleveland, Ohio : Case Western Reserve University, 2009. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=case1247156923.

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24

Tehrani, Katayoon. "Developing a new instrumented soil column to study climate-induced ground movement in expansive soil." Thesis, Queensland University of Technology, 2016. https://eprints.qut.edu.au/100017/4/Katayoon_Tehrani_Thesis.pdf.

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This project was a step forward in developing an instrumented soil column to enhance the understanding of the behaviour of expansive soil subjected to different climatic conditions. The results of this research can enhance the design of structures which are built on and in expansive soils and will reduce the risk of failures. Also it will lead to cost-effective design and construction of structures such as residential slabs, roads, and shallow depth pipelines on and in expansive soils and providing a significant financial benefit to the community.

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25

Thomas, Pamela J. "Quantifying Properties and Variability of Expansive Soils in Selected Map Units." Diss., Virginia Tech, 1998. http://hdl.handle.net/10919/30441.

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A study of 12 expansive soils in four major physiographic provinces in Virginia was initiated to examine and quantify the relationship between shrink-swell potential, shrink-swell indices, and soil properties. The mineralogy classes, soil series, and (physiographic provinces, parent materials) examined include smectitic -- Jackland and Waxpool (Triassic, diabase), Iredell (Piedmont, hornblende); vermiculitic -- Kelly (Triassic, thermal shale); kaolinitic -- Cecil (Piedmont, granite gneiss), Davidson (Triassic, diabase); and mixed -- Carbo and Frederick (Valley and Ridge, limestone), Craven and

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26

Long, Xiaoyan. "Prediction of shear strength and vertical movement due to moisture diffusion through expansive soils." Texas A&M University, 2006. http://hdl.handle.net/1969.1/4313.

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This dissertation presents an investigation of engineering behavior of expansive soils. An analytical study was undertaken for the development and modification of a Windows-based two-dimensional finite element computer program FLODEF that performs a sequentially coupled flow-displacement analysis for the prediction of moisture diffusion and the induced volume change in soils supporting various elements of civil infrastructure. The capabilities of the model are illustrated through case studies of shear strength envelope forecast and parametric studies of transient flow-deformation prediction in

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27

Zhang, Heng, and 張恒. "Breaking the boundary: towards a spatial integration of new urban expansion and old city in Dapeng, Shenzhen." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B41668935.

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Liu, Yunlong. "Interpretation of Load Transfer Mechanism for Piles in Unsaturated Expansive Soils." Thesis, Université d'Ottawa / University of Ottawa, 2019. http://hdl.handle.net/10393/38804.

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Water infiltration associated with natural precipitation events or other artificial activities such as pipe leaks in expansive soils significantly influence the engineering properties; namely, coefficient of permeability, shear strength and volume change behavior. For this reason, it is challenging to design or construct geotechnical infrastructure within or with expansive soils. Several billions of dollars losses, world-wide, can be attributed to the repairing, redesigning and retrofitting of infrastructure constructed with or within expansive soils, annually. Piles are widely used as foundat

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Sampaio, Juliana Silva de Carvalho. "Análise do modo de expansão recente das multinacionais no Brasil sob a ótica da teoria dos ativos complementares." reponame:Repositório Institucional do FGV, 2015. http://hdl.handle.net/10438/13407.

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Barthur, Ranganath. "Design of residential footings built on expansive soil using probabilistic methods /." Title page, contents and abstract only, 1997. http://web4.library.adelaide.edu.au/theses/09ENS/09ensb287.pdf.

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Celeita-Rodríguez, Nathalia. "Comparação da acurácia diagnóstica de índices dinâmicos e estáticos de pré-carga para predição da fluido-responsividade em cães anestesiados com isoflurano, sob ventilação mecânica." Botucatu, 2020. http://hdl.handle.net/11449/192487.

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Orientador: Francisco José Teixeira Neto<br>Resumo: Objetivo: Comparar a acurácia diagnóstica da variação da pressão de pulso (VPP), variação do volume sistólico mensurada através do análise de contorno de pulso (VVSACP), índice de variabilidade pletismográfica (IVP), pressão venosa central (PVC) e índice do volume diastólico final global mensurado pela técnica de termodiluição transpulmonar (GEDVITDTP) para predizer a fluido-responsividade em cães. Animais: Quarenta cadelas saudáveis (13,8–26,8 kg) submetidas a ovário-salpingo-histerectomia. Métodos: A anestesia foi mantida com isoflurano sob

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Adem, Hana Hussin. "Modulus of Elasticity Based Method for Estimating the Vertical Movement of Natural Unsaturated Expansive Soils." Thesis, Université d'Ottawa / University of Ottawa, 2015. http://hdl.handle.net/10393/31910.

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Expansive soils are widely distributed in arid and semi-arid regions around the world and are typically found in a state of unsaturated condition. These soils are constituted of the clay mineral montmorillonite that is highly active and contributes significantly to volume changes of soils due to variations in the natural water content conditions. The volume changes of expansive soils often cause damage to lightly loaded structures. The costs associated with the damage to lightly loaded structures constructed on expansive soils in the United States alone were estimated as $2.3 billion per year

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Demirbas, Gunes. "Stabilization Of Expansive Soils Using Bigadic Zeolite (boron By-product)." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610671/index.pdf.

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Expansive soils are a worldwide problem that poses several challenges for civil engineers. Such soils swell when given an access to water and shrink when they dry out. The most common and economical method for stabilizing these soils is using admixtures that prevent volume changes. In this study the effect of using Bigadic zeolite (boron by-product) in reducing the swelling potential is examined. The expansive soil is prepared in the laboratory by mixturing kaolinite and bentonite. Bigadic zeolite (boron by-product) is added to the soil at 0 to 25 percent by weight. Grain size distribution, At

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Oliveira, Dener Marcio da Silva. "Soil organic matter dynamics in pasture-sugarcane land use conversions in south-central Brazil." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/11/11140/tde-19102017-141335/.

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Land use change (LUC) induces modifications on soil organic matter (SOM), which is one of the main source of uncertainty in life cycle assessments of biofuels. In Brazil, currently the world largest producer of sugarcane and second biggest producer of bioethanol, the potential negative effects of LUC has raised doubts about the sugarcane ethanol as a sustainable option. Recently, most of sugarcane expansion has been placed over extensive pastures. Therefore, we conducted a field study within the south-central Brazil, the largest sugarcane-producing region in the world, to evaluate the effects

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35

Srinivasamurthy, Lakshmikanth. "Initial Swelling Mechanism of Expansive Clays: A Molecular Dynamics Study." Thesis, North Dakota State University, 2012. https://hdl.handle.net/10365/26647.

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Expansive soils are widely found in many parts of the world. Highly active smectite clay mineral Montmorillonite is the major constituent in these clays and can expand or contract up to 15 times of their original volume. Constrained swelling exert large amount of stress causing damage to structures, pavements etc. These clays are also used as barrier materials, Nano-materials in polymer clay Nano composites and drug delivery systems. Several factors influence the swelling potential such as water content, density, voids, electrolyte content and cation exchange capacity. However, molecular scale

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36

Zhan, Liangtong. "Field and laboratory study of an unsaturated expansive soil associated with rain-induced slope instability /." View Abstract or Full-Text, 2003. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202003%20ZHAN.

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Thesis (Ph. D.)--Hong Kong University of Science and Technology, 2003.<br>Includes bibliographical references (leaves 471-490). Also available in electronic version. Access restricted to campus users.

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Catafesta, Jadna. "Comportamento estrutural sob altas pressões de materiais com expansão térmica anômala." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2011. http://hdl.handle.net/10183/28173.

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Nesta tese foi investigado o comportamento sob altas pressões de compostos com estrutura poliedral aberta que apresentam expansão térmica anômala. A presença de vazios e a alta flexibilidade deste tipo de estrutura, quando submetidos a condições extremas, como altas pressões e temperaturas, podem apresentar uma série de fenômenos físicos interessantes, incluindo transições de fase estruturais e amorfização. A relação entre a expansão térmica anômala e a amorfização induzida por altas pressões foi objeto de estudo através de compostos com diferentes especificidades da estrutura de partida, a sa

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Lucian, Charles. "Geotechnical Aspects of Buildings on Expansive Soils in Kibaha, Tanzania : Preliminary Study." Licentiate thesis, Stockholm : Division of soil and rock mechanics, Royal Institute of Technology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4056.

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Tu, Hongyu. "Prediction of the Variation of Swelling Pressure and 1-D Heave of Expansive Soils with respect to Suction." Thesis, Université d'Ottawa / University of Ottawa, 2015. http://hdl.handle.net/10393/32515.

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The one-dimensional (1-D) potential heave (or swell strain) of expansive soil is conventionally estimated using the swelling pressure and swelling index values which are determined from different types of oedometer test results. The swelling pressure of expansive soils is typically measured at saturated condition from oedometer tests. The experimental procedures of oedometer tests are cumbersome as well as time-consuming for use in conventional geotechnical engineering practice and are not capable for estimating heave under different stages of unsaturated conditions. To alleviate these limitat

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Cetiner, Sertan Isik. "Stabilization Of Expansive Soils By Cayirhan Fly Ash And Desulphogypsum." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/1119387/index.pdf.

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Expansive soils are one of the most serious problems which the foundation engineer faces. Several attempts are being made to control the swell-shrink behavior of these soils. One of the most effective and economical methods is to use chemical additives. Fly ash and desulphogypsum, both of which are by-products of coal burning thermal power plants, are accumulating in large quantities all over the world and pose serious environmental problems. In this study, the expansive soil was stabilized using the fly ash and desulphogypsum obtained from &Ccedil<br>ayirhan Thermal Power Plant. Fly ash and d

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Cleall, Peter John. "An investigation of the thermo/hydraulic/mechanical behaviour of unsaturated soils, including expansive clays." Thesis, Cardiff University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389795.

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Kuckartz, Bruno Tomasi. "Análise de expansão de cava com múltiplas restrições de superfície sob incerteza geológica." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/163404.

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A operação e gerência de empreendimentos mineiros são tarefas normalmente difíceis e complexas. Para otimizar toda a operação, os engenheiros precisam lidar com muitos aspectos técnicos e restrições, como a modelagem geológica, estimativa de reservas, determinação da necessidade de blendagem, projeto das cavas ótimas e operacionais, custos operacionais, questões ambientais, entre outros. Nesse sentido, o posicionamento de infraestruturas de superfície é um dos pontos críticos dentro do planejamento de mina. Aproximar as estruturas da cava, com o intuito de reduzir custos operacionais, pode int

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Brooks, Mark Whitfield 1964. "Distribution and assessment of expansive clay soils in the Tucson Basin, Arizona." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/276976.

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Expansive soils contain clay minerals that undergo a change in bulk volume in response to variances in environmental conditions. The ability to predict the occurrence and geotechnical behavior of swelling soils with a known degree of certitude would allow engineers to take measures to limit the damage resulting from these metastable soils. Research was conducted to investigate the regional distribution, mineralogy, and engineering properties of expansive soils in the Tucson Basin. Mineralogic studies employed X-ray diffraction procedures for the identification of clay mineralogy. The compilati

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Wu, Xingyi. "Three-Dimensional Finite Element Analysis of the Pile Foundation Behavior in Unsaturated Expansive Soil." Thesis, Université d'Ottawa / University of Ottawa, 2021. http://hdl.handle.net/10393/42028.

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Expansive soils, which are widely referred to as problematic soils are extensively found in many countries of the world, especially in semi-arid and arid regions. Several billions of dollars are spent annually for maintenance or for repairs to the structures constructed with and within expansive soils. The major problems of expansive soils can be attributed to the volume changes associated with the alternate wetting and drying conditions due to the influence of environmental factors. Pile foundations have been widely accepted by practicing engineers as a reasonably good solution to reduce the

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Yesilbas, Gulsah. "Stabilization Of Expansive Soils By Using Aggregate Waste, Rock Powder And Lime." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12604950/index.pdf.

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Expansive soils are a worldwide problem that poses several challenges for civil engineers. Such soils swell when given an access to water and shrink when they dry out. The most common and economical method for stabilizing these soils is using admixtures that prevent volume changes. In this study the effect of using rock powder and aggregate waste with lime in reducing the swelling potential is examined. The expansive soil used in this study is prepared in the laboratory by mixturing kaolinite and bentonite. Lime was added to the soil at 0 to 9 percent by weight. Aggregate waste and rock powder

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Muchelo, Ronald Omeli. "Urban expansion and loss of prime agricultural land in Sub-Saharan Africa: a challenge to soil conservation and food security." Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/18116.

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Urbanisation often involves the conversion of various land use and land cover (LULC) classes including agricultural land to urban uses and leads to loss of soil diversity. Unfortunately, there is limited literature on soils lost in Sub-Saharan African (SSA) cities due to lack of detailed soil information yet this region is the fastest growing globally. This study attempts to bridge this gap by using remote sensing data and digital soil mapping (DSM) techniques to assess the rate of agricultural land conversion, determine the appropriate pre-urban soil prediction model and estimate the extent o

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Wayllace, Alexandra Likos William J. "Volume change and swelling pressure of expansive clay in the crystalline swelling regime." Diss., Columbia, Mo. : University of Missouri--Columbia, 2008. http://hdl.handle.net/10355/7110.

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Title from PDF of title page (University of Missouri--Columbia, viewed on March 2, 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. Dr. William Likos, Thesis Supervisor. Vita. Includes bibliographical references.

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Teston, Felipe. "Instabilidade gravitacional para um universo estático e em expansão sob influência de termos dissipativos." reponame:Repositório Institucional da UFPR, 2017. http://hdl.handle.net/1884/49566.

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Orientador: Prof. Dr. Gilberto Medeiros Kremer<br>Dissertação (mestrado) - Universidade Federal do Paraná, Setor de Ciências Exatas, Programa de Pós-Graduação em Física. Defesa: Curitiba, 22/02/2017<br>Inclui referências : f. 72-74<br>Resumo: Com o início da fase da recombinação e por consequência o desacoplamento dos fótons da matéria, as primeiras estruturas passaram a ser formadas no Universo. A Cosmologia tenta, desde os séculos passados, determinar relações matemáticas que descrevem o crescimento destas estruturas para pequenas e grandes escalas. Jeans inaugurou o estudo da formação de es

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Sanfelici, Daniel de Mello. "A metrópole sob o ritmo das finanças: implicações socioespaciais da expansão imobiliária no Brasil." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/8/8136/tde-07012014-093205/.

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No último decênio, as metrópoles brasileiras foram profundamente reconfiguradas pela proliferação de projetos imobiliários de grande porte. O investimento imobiliário, antes fortemente centralizado nas áreas mais valorizadas das metrópoles, irradiou-se também para as periferias e franjas metropolitanas, com importantes repercussões socioespaciais. Esta pesquisa procurou fornecer algumas explicações para esse fenômeno, colocando em foco a crescente penetração das finanças na produção do espaço urbano no Brasil. Desde meados da década de 1990, sucessivos governos, estimulados por organizações pr

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Silva, Daniel Martins [UNESP]. "A expansão para o Oeste: a Parceria Transpacífica sob a perspectiva dos Estados Unidos." Universidade Estadual Paulista (UNESP), 2016. http://hdl.handle.net/11449/139472.

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Submitted by DANIEL MARTINS SILVA null (daniel_m105@hotmail.com) on 2016-06-13T12:09:12Z No. of bitstreams: 1 Dissertação-Final-2016.pdf: 1232731 bytes, checksum: a3b1a459a153bdc0df5be33dcfc2b83a (MD5)<br>Approved for entry into archive by Juliano Benedito Ferreira (julianoferreira@reitoria.unesp.br) on 2016-06-15T19:30:27Z (GMT) No. of bitstreams: 1 silva_dm_me_mar.pdf: 1232731 bytes, checksum: a3b1a459a153bdc0df5be33dcfc2b83a (MD5)<br>Made available in DSpace on 2016-06-15T19:30:27Z (GMT). No. of bitstreams: 1 silva_dm_me_mar.pdf: 1232731 bytes, checksum: a3b1a459a153bdc0df5be33dcfc2b83a

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