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Dissertations / Theses on the topic 'Clay compaction'

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1

Catana, M. Cevat. "Compaction and water retention characteristics of Champlain sea clay." Thesis, University of Ottawa (Canada), 2006. http://hdl.handle.net/10393/27337.

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Several engineering structures for geotechnical engineering applications are constructed using compacted fine-grained soils (i.e., dams, road embankments, pavements, canals, and waste containment structures such as soil covers and liners). The compacted fine-grained soils are typically in a state of unsaturated condition and plastic in nature. There is a growing interest in recent years to apply the mechanics of unsaturated soils in the design of geotechnical structures constructed with compacted fine-grained soils. The soil-water retention curve (SWRC) is being used as a key tool in extending
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2

Duval, Jean. "Assessing porosity characteristics as indicators of compaction in a clay soil." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59275.

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Persistent soil compaction by heavy-axle-load vehicles is a growing concern for the long-term productivity of clay soils. For optimum soil management, however, we must be able to evaluate adequately soil structural damages. This study compares different methods of assessing soil structure as affected by compaction and subsoiling treatments in a clay soil under corn production.<br>The tests used were: total porosity as calculated from densimeter readings and from soil cores; structural porosity; water desorption characteristics; and soil profile examination. These tests were performed in three
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3

Okiongbo, Kenneth Samuel. "Volumetrics of petroleum generation and compaction of the Kimmeridge Clay Formation." Thesis, University of Newcastle Upon Tyne, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.417523.

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4

Andras, Peter. "The role of clay mineral diagenesis in overpressure generation and compaction of siliciclastic mudstones." Thesis, Durham University, 2018. http://etheses.dur.ac.uk/12531/.

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Clay mineral diagenesis has a considerable effect on the physical properties of siliciclastic mudstones, with important implications for pore pressure prediction. The dominant clay mineral reaction, the conversion of smectite to illite, involves a series of dissolution and reprecipitation reactions which results in a significant change in the orientation of the clay mineral fabric. Unloading is a direct result of clay mineral diagenesis and concomitant fabric destabilisation, due to the local transfer of load from dissolving detrital clay grains to fluid. Pore pressure is then a function of th
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5

Lokre, Chinmay Vivekananda. "Effect of Density, Initial Water Content, Drying Temperature, Layer Thickness, and Plasticity Characteristics on Shrinkage Crack Development in Clay Soils: An Experimental Study." Kent State University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=kent1557423451910154.

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6

Tilgen, Huseyin Pars. "Relationship Between Suction And Shear Strength Parameters Of Compacted Metu Campus Clay." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/1300425/index.pdf.

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In this study, the relationship between soil suction and shear strength parameters of compacted METU campus clay were investigated at different moisture contents. Soil samples were tested at optimum moisture content (i.e. w=20.8%), at dry side of optimum moisture content (i.e. w=14.8%, 16.8%, 18.8%) and at wet side of optimum moisture content (i.e. w=22.8%, 24.8%, 26.8%). Direct shear tests were performed to measure shear strength parameters (c&#039<br>, &amp<br>#934<br>&#039<br>) and soil suctions were measured by filter paper method after direct shear tests. These relationships were also inv
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7

NAKANO, MASAKI, AKIRA ASAOKA, and TOSHIHIRO NODA. "SOIL-WATER COUPLED FINITE DEFORMATION ANALYSIS BASED ON A RATE-TYPE EQUATION OF MOTION INCORPORATING THE SYS CAM-CLAY MODEL." 地盤工学会, 2008. http://hdl.handle.net/2237/20062.

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8

Ali, Hatim F. A. "Assessment of lime-treated clays under different environmental conditions." Thesis, University of Bradford, 2019. http://hdl.handle.net/10454/18313.

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Natural soils in work-sites are sometimes detrimental to the construction of engineering projects. Problematic soils such as soft and expansive soils are a real source of concern to the long-term stability of structures if care is not taken. Expansive soils could generate immense distress due to their volume change in response to a slight change in their water content. On the other hand, soft soils are characterised by their low shear strength and poor workability. In earthwork, replacing these soils is sometimes economically and sustainably unjustifiable in particular if they can be stabilise
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9

TAKAGI, Kenji, 光夫 野津, Mitsuo NOZU та ін. "水~土連成計算を用いた砂杭拡径による砂地盤の締固めメカニズムの一考察". 土木学会, 2001. http://hdl.handle.net/2237/8642.

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10

Ltifi, Mounir. "Étude expérimentale du vieillissement d'un sol argileux." Vandoeuvre-les-Nancy, INPL, 1998. http://www.theses.fr/1998INPL103N.

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Dans le cadre de l'étude du vieillissement d'un sol fin au laboratoire, nous avons réalisé des essais classiques de cisaillement, à l’oedomètre et de perméabilité, sur des échantillons du limon de Xeuilley. L’effet du temps a été considéré à deux niveaux : d'une part, le temps de vieillissement après compactage à teneur en eau constante et le temps de vieillissement durant la consolidation. Les essais de cisaillement non consolidés non drainés ont été réalisés sur des échantillons préparés à des teneurs en eau différentes. Ils ont montré une augmentation de la résistance au cisaillement non dr
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11

Torres, Montesinos Sergio Feliciano, and Alarcon Jacques Yitzhak Landa. "Mejoramiento de suelos arcillosos en subrasante mediante el uso de cenizas volantes de bagazo de caña de azúcar y cal en el tramo de la carretera Tingo María - Monzón en la provincia de Leoncio Prado." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/653977.

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El presente trabajo de investigación tiene como fin determinar el porcentaje optimo del uso del material estabilizante, compuesto por la Ceniza de Bagazo de Caña de Azúcar (CBCA), y cal, con un enfoque económico y efectividad de uso en tanto a mejora del porcentaje de CBR de la subrasante clasificada como pobre o inadecuada. Dentro del marco de desarrollo del trabajo se encuentra el estudio de la influencia de la Ceniza de Bagazo de Caña de Azúcar (CBCA) en el suelo natural, del mismo modo que la cal; esto para entender los cambios en las propiedades físicas y mecánicas de la mezcla. El suelo
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12

Strydom, Jessica. "Étude de la production d’eau douce à partir de formations argileuses dans les zones de foothills." Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0114.

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Avec la compaction progressive des sédiments, la transformation des matières minérales et organiques est connue pour produire une eau moins salée que l'eau interstitielle d'origine, dont la composition aurait été similaire à celle de l'eau de mer. Le but de notre étude expérimentale était de simuler les processus diagénétique du flux de fluide, de la chaleur et de la compaction mécanique qui est impliqué dans le rafraîchissement de l'eau de formation à partir d'un échantillon d'argile saturé. Notre objectif était d'utiliser la chimie générale de l'eau, ainsi que les traceurs isotopiques Clorid
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13

Zhu, Xiujuan. "Unified constitutive parameters for statically compacted clay /." View abstract or full-text, 2008. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202008%20ZHU.

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14

Nunes, Márcio Renato. "Estrutura de solos altamente intemperizados cultivados sob sistema de plantio direto." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/11/11140/tde-25072018-174830/.

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O desenvolvimento econômico brasileiro depende da crescente produção agropecuária, aliada ao conservacionismo. O sistema de plantio direto é o manejo de solo que reúne o mais amplo conjunto de preceitos da agricultura conservacionista. As áreas agrícolas cultivadas sob plantio direto, entretanto, têm apresentado duas camadas de solo distintas: uma entre, aproximadamente, 0 e 7 cm de profundidade, com condições físicas e químicas favoráveis ao desenvolvimento radicular; e uma entre, aproximadamente, 7 e 20 cm de profundidade, com menor permeabilidade do solo ao ar e a água, elevada resistência
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15

Kim, Huntae. "Anisotropic properties of compacted silty clay." Ohio : Ohio University, 1996. http://www.ohiolink.edu/etd/view.cgi?ohiou1178305587.

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16

Verzegnassi, Emerson 1968. "Estudo das propriedades no estado fresco e endurecido do concreto leve autoadensável." [s.n.], 2015. http://repositorio.unicamp.br/jspui/handle/REPOSIP/267741.

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Orientadores: Rosa Cristina Cecche Lintz, Luísa Andréia Gachet Barbosa<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Tecnologia<br>Made available in DSpace on 2018-08-28T13:32:52Z (GMT). No. of bitstreams: 1 Verzegnassi_Emerson_M.pdf: 3873734 bytes, checksum: 73682762affd1136f183e9120a07a536 (MD5) Previous issue date: 2015<br>Resumo: Com a descoberta de aditivos químicos e adições minerais muitos tipos diferentes de concreto surgiram ao longo das últimas décadas. Porém o peso próprio do concreto convencional é considerado a sua maior desvantagem. Com isso abre-s
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17

Assunção, José Wilson. "Concreto Leve Autoadensável: avaliação da influência da argila expandida no processo de dosagem e nas propriedades do concreto." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/102/102131/tde-01072016-115653/.

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Esta tese aborda as influências do agregado leve na dosagem, características físicas e mecânicas de concreto autoadensável (CAA) quando na fração de graúdo da mistura, substitui-se parte do volume absoluto da brita de basalto (máx 19 mm) pelo volume equivalente de argila expandida brasileira (máx 12,7 mm). O fato de conhecer as implicações na reologia do CAA, provocadas pelo uso conjunto de agregados com características físicas distintas e, apresentar este tipo de concreto como uma alternativa promissora para uso na indústria da pré-fabricação em concreto, justificam esta pesquisa. A substitui
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18

Spohr, Renato Beppler. "INFLUÊNCIA DAS CARACTERÍSTICAS FÍSICAS DO SOLO NAS PERDAS DE ÁGUA POR ESCOAMENTO SUPERFICIAL NO SUL DO BRASIL E URUGUAI." Universidade Federal de Santa Maria, 2007. http://repositorio.ufsm.br/handle/1/3562.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The objective of this work was to modeling runoff in soils with different physical characteristics, with three simulated rainfall intensities (30, 60 and 120 mm h-1) in Rio Grande do Sul and Uruguay. For simulated rainfall was used a portable rainfall simulator of multiple nozzles. Six plots were delimited by metal sheet borders (0,5 m2), with a runoff collector in the lower part. The runoff was determinate each five minutes. On each soil was determinate initial time and rate of runoff, rainfall (total, time and intensities), direc
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19

Chlachula, Jakub. "Vývoj nové technologie ztekucení a stabilizace zemin." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-371972.

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Nowadays, efforts are being made to reduce the environmental impact on the planet even at soils management. Excavated soils are treated as waste and often end up in landfill or depot landfills. It is an effort to exploit these soils. By adding suitable stabilizing additives, features such as yield fluidity, moisture or compressive strength can be adjusted. This composite can be further liquefactioned by using water and suitable liquefiers or plasticizers. Such iquefactioned soils are a suitable self-compacting grouts dressing for excavation for the laying of utility grids, where it is necessar
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20

Borja, Edilberto Vitorino de. "Efeito da adi??o de argila expandida e adi??es minerais na formula??o de concretos estruturais leves autoadens?veis." Universidade Federal do Rio Grande do Norte, 2011. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15567.

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Made available in DSpace on 2014-12-17T14:57:49Z (GMT). No. of bitstreams: 1 EdilbertoVB_TESE.pdf: 8017732 bytes, checksum: 5be77df6bb358232ee29ccf11e397f58 (MD5) Previous issue date: 2011-02-10<br>The search for alternative materials with lower density, reduction in heat transfer and propagation of noise associated with the ease of handling and application in concrete structures, represents an enormous challenge in the formulation and knowledge of the performance of self-compacting lightweight concrete, which has technology little known nationally, and appears on the international scene as
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21

謝素蘭. "Cement-clay-fly ash based segment by compaction and sintering technology." Thesis, 1990. http://ndltd.ncl.edu.tw/handle/54488523373288880451.

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22

Литвиненко, Тетяна Василівна. "The compaction of road embankment soils by ensuring their long-term strength." Thesis, 2016. http://er.nau.edu.ua/handle/NAU/22764.

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The thesis is devoted to improving the optimal compaction criteria of road embankment soils, which provide their long-term strength. The first unit contains the analysis of modern soil compaction methods, subgrade deformation causes in the embankment, finite element method (FEM) solves of soil compaction tasks, regulatory framework of quality control disadvantages, and others. The second unit is stated a new author's method and the laboratory tests results of water migration in compacted silty loam embankment, including the stabilized (or final) clay soil moisture values, depending on their t
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23

Wen-Loung, Chen, and 陳文龍. "Compaction grouting induced strength increase and surface heave/resettlement in soft clay." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/54360419219648238166.

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碩士<br>國立臺灣科技大學<br>營建工程技術學系<br>86<br>A full scale field test and a 2-D laboratory model test were adopted to study the compaction grouting induced soil and strength increase for soil around the grout bulb and the ground surface heave - resettlement. A predictive model for evaluating the compaction grouting induced soil strength improvement is proposed based on the test laboratory results. The full scale test indicates that the amount of surface heave is related to the radius of grout bulb (r) and the distance from the injecting point(h). For h = 6.5 r to 20 r, the ground heaves is not much
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24

Wan, Alan Wing-Lon. "Compaction and strength characteristics of sand-clay buffer material formed at swelling pressure-water content equilibrium." 1987. http://hdl.handle.net/1993/9523.

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25

KUMAR, PARVEEN. "INFLUENCE OF DEGREE OF COMPACTION AND SURCHARGE ON CBR VALUE OF GEOGRID REINFORCED CLAY AND SANDY SOILS." Thesis, 2016. http://dspace.dtu.ac.in:8080/jspui/handle/repository/15152.

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As the many constructions activity are to be done in different fields under many government schemes. There is huge need arise to economize the construction cost and cost of material. The subgrade is that part of soil which supports the many types of footing and also carries the load from superstructure. As at every place good quality of subgrade is not available, so there is need to improve the quality of weak subgrade. Either we replace it completely and fill it with good quality of material or improve the engineering property of subgrade by using ad mixer or by using the polymer just l
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26

Fitzmaurice, John L. "The effect of tillage practices and soil compaction on the physical properties and productivity of a clay soil." 1997. http://hdl.handle.net/1993/12268.

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27

Ali, Hatim, and Mostafa H. A. Mohamed. "The effects of compaction delay and environmental temperature on the Mechanical and Hydraulic properties of lime-stabilized extremely high plastic clays." 2017. http://hdl.handle.net/10454/13384.

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yes<br>A comprehensive experimental programme was performed with the focus on assessing the effects of compaction delay and ambient temperature on the physical, mechanical and hydraulic properties of lime treated expansive clays. Specimens were mellowed for a period of 0, 3, 6, 12, 24 and 48 h at two different temperatures of 20°C and 40°C prior to being compacted, tested and/or cured for up to 28 days for evaluating the impacts on long-term strength development. All specimens were prepared with the same dry unit weight of 12.16 kN/m3 and moisture content of 40% except for tests aimed at deter
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28

Makowitz, Astrid. "The genetic association between brittle deformation and quartz cementation : examples from burial compaction and cataclasis /." Thesis, 2004. http://wwwlib.umi.com/cr/utexas/fullcit?p3127091.

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29

Pereira, Ana Isabel Baptista. "Influência da técnica da elaboração de provetes laboratoriais na quantificação da deformabilidade e resistência mecânica dos solos." Master's thesis, 2015. http://hdl.handle.net/1822/40624.

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Dissertação de mestrado integrado em Engenharia Civil<br>De modo a acompanhar as exigências associadas aos projetos de engenharia há uma crescente necessidade de melhorar as características dos solos pois, por vezes, estes na sua forma natural não contêm características satisfatórias para a utilização na construção civil. A reconstituição de provetes em laboratório permite estudar as características dos solos, quer a nível de resistência mecânica e deformabilidade, de forma a promover um conhecimento mais alargado sobre o comportamento dos mesmos quando sujeitos a projetos de Engenharia
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30

Walker, Trevor Meade. "Quantifying using centrifuge of variables governing the swelling of clays." Thesis, 2012. http://hdl.handle.net/2152/ETD-UT-2012-08-5925.

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Austin, Texas consists of highly expansive soils that have caused failures in many structures. Minimizing the detrimental effects of expansive soils on structures requires that the swelling of these soil(s) is quantified accurately, efficiently, and timely. A testing procedure was developed to directly measure soil swelling using centrifuge technology by Plaisted, 2009. This testing procedure was developed in order to reduce the test duration while generating more swelling data relative to conventional tests that directly measure swell. However, the new procedure was incapable of obtaining
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