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Dissertations / Theses on the topic 'Expansive soils'

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Published: 4 June 2021
Last updated: 25 July 2025

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1

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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2

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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3

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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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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5

Sapaz, Burak. "Lateral Versus Vertical Swell Pressures In Expansive Soils." Master's thesis, METU, 2004. http://etd.lib.metu.edu/upload/1053040/index.pdf.

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Expansive or swelling soils, exist in many part of the world, show excessive volume changes with increasing water content. As a result of this volume increase, expansive soils apply vertical and lateral pressures to the structures located or buried in these regions. Many researchs have been carried out on vertical swelling pressures helping to the engineers to design structures withstanding on these stresses. However, lateral swell behaviour of swelling soils have not been fully understood yet. Structures such as<br>basement walls, water tanks, canals, tunnels, underground conduits and swimmin
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6

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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7

Shuai, Fangsheng. "Simulation of swelling pressure measurements on expansive soils." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1996. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq24015.pdf.

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8

De, Sousa Vinagre Tiberio J. V., and Sousa Vinagre Tiberio J. V. De. "Expansive and collapsing behaviour of volume change soils." Master's thesis, University of Cape Town, 1990. http://hdl.handle.net/11427/23594.

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This thesis is designed to achieve three goals: Goal One - to introduce the reader to soils exhibiting expansive and/or collapsing behaviour; Goal Two - to provide an in depth understanding of aspects of this behaviour, obtained from an extensive study of these soil types; and, Goal Three - to serve as a reference for future research work (a recommendation for further research proposed in Chapter Ten of this thesis). The thesis is divided in two main parts. In the first part representative soil types were selected on the basis of their properties and expected engineering behaviour. The soil st
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9

Habibbeygi, Farzad. "Experimental Study on the Behaviour of Expansive Soils." Thesis, Curtin University, 2019. http://hdl.handle.net/20.500.11937/75688.

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In this research, laboratory-based experiments were conducted to investigate the volumetric and mechanical behaviour of expansive soils. The effects of clay mineralogy, initial water content and preconsolidation stress on the compressibility and shear strength of expansive clays were investigated. Predictive models based on regression analysis and artificial neural networks are proposed to estimate the compression and shear behaviour of expansive soils. Additionally, a green stabiliser was introduced to reduce the swell potential of expansive clays.
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10

Byiringiro, Alfred. "Effect of paper mill ash on properties of expansive soils." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86287.

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Thesis (MEng)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: Expansive soils, one of the problematic soils, are encountered on all continents with exception of polar continents. Problems caused by their heaving and shrinking behaviour, particularly to light structures, have been reported from different countries to place large financial burden on developers. For this reason, many techniques have been developed and applied to prevent and/or remediate the damage caused by these soils. Soil stabilization with traditional chemical additives has been applied successfully since ancient times.
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11

Burgoon, Justin Eugene. "Post-tensioned ribbed mat foundations on highly expansive soils." Manhattan, Kan. : Kansas State University, 2007. http://hdl.handle.net/2097/498.

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12

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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13

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

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14

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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15

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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16

Zhang, Xiong. "Consolidation theories for saturated-unsaturated soils and numerical simulation of residential buildings on expansive soils." Texas A&M University, 2004. http://hdl.handle.net/1969.1/2747.

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The coupled and uncoupled consolidation theories for saturated-unsaturated soils have been discussed. A new method for constructing the constitutive surfaces for saturated-unsaturated soils has been proposed. The consolidation processes for saturated-unsaturated soils have been explained by thermodynamic analogue. One dimensional consolidation theory for saturated-unsaturated soils is presented and a new method is proposed to calculate the immediate settlement, total settlement and the time history of the consolidation settlement manually in the same way as what we have done for saturated soil
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17

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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18

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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19

Hong, Gyeong Taek. "Earth pressures and deformations in civil infrastructure in expansive soils." Texas A&M University, 2008. http://hdl.handle.net/1969.1/85916.

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This dissertation includes the three major parts of the study: volume change, and lateral earth pressure due to suction change in expansive clay soils, and design of civil infrastructure drilled pier, retaining wall and pavement in expansive soils. The volume change model in expansive clay has been refined to reinforce realistic characteristics of swelling and shrinkage behavior of expansive clay soils. Refinements include more realistic design soil suction versus depth profiles and improved characterizations of the effects of soil cracking, overburden stress, and lateral earth pressure. The r
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Lucian, Charles. "Geotechnical Aspects of Buildings on Expansive Soils in Kibaha, Tanzania." Doctoral thesis, KTH, Jord- och bergmekanik, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-9244.

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The focus of this study is on potential damages to buildings resulting from expansive soils in Tanzania, particularly clay soils in Kibaha. For the fact that most of the affected structures are founded on expansive soils, a clear understanding of the behaviour of soils and their interaction with structures has been of interest to the study in order to evaluate properly the source of the problem.The geotechnical behaviour of expansive clay soils is investigated by looking into the geomorphologic, geological and climatic conditions and mineralogical composition of the soils in the study area.Two
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Lucian, Charles. "Geotechnical aspects of building on expansive soils in Kibaha, Tanzania /." Stockholm : Arkitektur och samhällsbyggnad, Kungliga Tekniska högskolan, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-9244.

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22

Qi, Shunchao. "Numerical Investigation for Slope Stability of Expansive Soils and Large Strain Consolidation of Soft Soils." Thesis, Université d'Ottawa / University of Ottawa, 2017. http://hdl.handle.net/10393/37019.

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Several geotechnical processes can only be reliably interpreted by taking account of the soil-atmosphere interactions. This thesis investigates two geotechnical problems involving soil-atmosphere interactions that drive water flow through the soil skeleton in two opposite directions; Problem 1: slope failure in expansive soils induced by water infiltration, Problem 2: large strain consolidation of soft soils induced by water evaporation. Both problems are of practical interest for safe and economical design of various geotechnical infrastructures. Two major geotechnical activities in the world
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23

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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24

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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25

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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26

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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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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28

Hergul, Timucin. "An Experimental Study On The Treatment Of Expansive Soils By Granular Materials." Phd thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614886/index.pdf.

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Expansive soils are a worldwide problem that possesses various challenges for civil engineers. With increasing water content, they exhibit excessive volume changes, resulting in large horizontal and vertical stresses to the structures located or buried in these regions. The most common method to minimize this effect is to replace these types of clays around the proposed structure with nonexpansive soils. For the cases needing larger volume of replacement, either sidewalls or the foundations must be designed to cater for the anticipated pressures or a suitable improvement technique shall be app
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29

Ika, Putra Agus. "Stabilisation of expansive subgrade soils with slag and cement for road construction." Thesis, Curtin University, 2014. http://hdl.handle.net/20.500.11937/374.

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This research evaluates stabilisation of expansive soil as a subgrade for road pavement. The recommended stabiliser proportion was 13.5% slag + 1.5% cement at 28 days curing time, which based on obtaining UCS test results that eight times magnitudes higher than the strength of the non-stabilised soil. The CBR values were more than four times higher than the minimum required for designing road pavement. The best resilient modulus correlation model was the hyperbolic correlation model.
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30

Mansour, Eman M. S. "Swell Pressures and Retaining Wall Design in Expansıve Soils." University of Dayton / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1323536478.

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31

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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32

Guo, Jiaying. "Framework of Estimation of the Lateral Earth Pressure on Retaining Structures with Expansive and Non-expansive Soils as Backfill Material Considering the Influence of Environmental Factors." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/34858.

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Lateral earth pressures (LEP) that arise due to backfill on retaining structures are typically determined by extending the principles of saturated soil mechanics. However, there is evidence in the literature to highlight the LEP on retaining structures due to the influence of soil backfill in saturated and unsaturated conditions are significantly different. Some studies are reported in the literature to interpret the variation of LEP on the retaining structures assuming that the variation of matric suction in unsaturated backfill material is hydrostatic (i.e. matric suction is assumed to decre
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33

Lu, Lu. "A simple technique for estimating the one-dimensional heave of natural expansive soils." Thesis, University of Ottawa (Canada), 2010. http://hdl.handle.net/10393/28750.

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Expansive soils are considered to be a nightmare to the geotechnical engineers. As the losses to the infrastructure constructed on expansive soils is estimated to be in billions of dollars world wide annually, several researchers and practitioners from various regions of the world have made significant contributions to better our present understanding of these problematic soils. One of the topics that attracted interest is related to the 1-D heave prediction or estimation methods for expansive soils. Early research studies on this topic were focused on developing empirical relationships which
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34

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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35

Osman, Norhaslinda Yasmin, and n/a. "The development of a predictive damage condition model of light structures on expansive soils using hybrid artificial intelligence techniques." Swinburne University of Technology, 2007. http://adt.lib.swin.edu.au./public/adt-VSWT20071002.131831.

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Expansive soils have damage light structures due to movement of soil which was a common problem all around the world. Soils exhibiting expansive properties were common throughout Australia. The damage to light structures founded on expansive soils in Victoria occurred mainly in properties built on quaternary basaltic clays and Tertiary to Ordovician clays. A review of existing literature in the area of expansive soils showed a lack of a thorough scientific diagnostic of the damage to light structures founded on expansive soils. Very few studies had been performed on damage to light structures
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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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37

Muttharam, M. "Engineering Behaviour Of Ash-Modified Soils Of Karnataka." Thesis, Indian Institute of Science, 2000. https://etd.iisc.ac.in/handle/2005/256.

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During a survey of black cotton soil zones of Karnataka, indigenously stabilized black cotton soil deposits were encountered in Belgaum, Bijapur, Bagalkot and Gadag Districts of Karnataka. These modified black cotton soils have low swelling and negligible shrinkage tendencies. Owing to their low volume change potential on moisture content changes, these soils are widely preferred in earth construction activities. The exact origin of these modified black cotton soil deposits is not known. According to anecdotal references, these soils were prepared by mixing unknown proportions of wood ash, org
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Muttharam, M. "Engineering Behaviour Of Ash-Modified Soils Of Karnataka." Thesis, Indian Institute of Science, 2000. http://hdl.handle.net/2005/256.

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During a survey of black cotton soil zones of Karnataka, indigenously stabilized black cotton soil deposits were encountered in Belgaum, Bijapur, Bagalkot and Gadag Districts of Karnataka. These modified black cotton soils have low swelling and negligible shrinkage tendencies. Owing to their low volume change potential on moisture content changes, these soils are widely preferred in earth construction activities. The exact origin of these modified black cotton soil deposits is not known. According to anecdotal references, these soils were prepared by mixing unknown proportions of wood ash, org
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SOUZA, Leonardo Sebastiao de. "Análise do comportamento mecânico de um solo expansivo da província petrolífera de Urucu-AM para fins de pavimentação." Universidade Federal de Goiás, 2009. http://repositorio.bc.ufg.br/tede/handle/tde/1319.

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Made available in DSpace on 2014-07-29T15:18:18Z (GMT). No. of bitstreams: 1 0-CAPA 1.pdf: 300598 bytes, checksum: 0e9449ac9ab29b32b36cc8276ea57604 (MD5) Previous issue date: 2009-10-30<br>The establishment of transportation infrastructure is critical to the development of the Urucu- AM region, a newly developed oil exploration area in the Amazonas state. The construction of such infrastructure is challenging due to the lack of suitable materials for the construction pavement base and subbase courses and adverse weather conditions, with alternating heavy rainfall and drought periods. Besides
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Osman, Norhaslinda Yasmin. "The development of a predictive damage condition model of light structures on expansive soils using hybrid artificial intelligence techniques." Australasian Digital Thesis Program, 2007. http://adt.lib.swin.edu.au/public/adt-VSWT20070731.124824/index.html.

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Thesis (PhD) - Swinburne University of Technology, Faculty of Engineering and Industrial Sciences, 2007.<br>Submitted in fulfilment of requirements for the degree of Doctor of Philosophy, Faculty of Engineering and Industrial Sciences, Swinburne University of Technology, 2007. Typescript. Includes bibliographical references (p. 174-202).
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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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Venkata, Swamy B. "Stabilisation Of Black Cotton Soil By Lime Piles." Thesis, Indian Institute of Science, 2000. https://etd.iisc.ac.in/handle/2005/219.

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Modification of black cotton soils by chemical admixtures is a common method for stabilizing the swell-shrink tendency of expansive soils. Advantages of chemical stabilization are that they reduce the swell-shrink tendency of the expansive soils and also render the soils less plastic. Among the chemical stabilization methods for expansive soils, lime stabilization is most widely adopted method for improving the swell-shrink characteristics of expansive soils. Lime stabilization of clays in field is achieved by shallow mixing of lime and soil or by deep stabilization technique. Shallow stabi
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Venkata, Swamy B. "Stabilisation Of Black Cotton Soil By Lime Piles." Thesis, Indian Institute of Science, 2000. http://hdl.handle.net/2005/219.

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Modification of black cotton soils by chemical admixtures is a common method for stabilizing the swell-shrink tendency of expansive soils. Advantages of chemical stabilization are that they reduce the swell-shrink tendency of the expansive soils and also render the soils less plastic. Among the chemical stabilization methods for expansive soils, lime stabilization is most widely adopted method for improving the swell-shrink characteristics of expansive soils. Lime stabilization of clays in field is achieved by shallow mixing of lime and soil or by deep stabilization technique. Shallow stabili
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Torres, Rueda Juan Diego, and Paucar Angel Mitzuo Watanabe. "Efectos de la adición de cloruro de potasio en el comportamiento expansivo de suelos arcillosos en la ciudad de Talara." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2021. http://hdl.handle.net/10757/654498.

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La expansividad de suelos es un fenómeno ampliamente reconocido, al cual se le atribuye una copiosa cantidad de problemas estructurales suscitados a nivel mundial. Precisamente, la incidencia de su comportamiento en los antecedentes históricos registrados, propició una marcada tendencia científica por estudiar los factores desencadenantes, así como encontrar técnicas y/o materiales eficientes para su estabilización. En ese afán, la presente investigación pretende evaluar la contribución del cloruro de potasio en el comportamiento expansivo de suelos arcillosos de alta plasticidad. Para ello, s
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Dardé, Benjamin. "Experimental and numerical study of the hydromechanical behaviour of bentonite pellet-powder mixtures." Thesis, Paris Est, 2019. http://www.theses.fr/2019PESC1030.

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Les matériaux à base de bentonite sont envisagés pour la réalisation des ouvrages de fermeture dans les concepts de stockage de déchets radioactifs. Dans ce contexte, les matériaux mis en place sous forme de mélanges de granules (pellets) de bentonite sont étudiés car ils présentent moins de contraintes d’installation comparés aux blocs préfabriqués. Les pellets sont disposés dans les galeries à l’état sec et forment un matériau granulaire. Le matériau est humidifié par l’eau issue de la roche encaissante et acquiert une texture homogène. Avant homogénéisation, le caractère granulaire du matér
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46

Li, Kai. "Modélisation du comportement hydromécanique des sols gonflants basée sur la théorie de l'état limite." Thesis, Strasbourg, 2015. http://www.theses.fr/2015STRAD004/document.

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Les matériaux argileux sont soumis aux chemins complexes de succion/contrainte qui se manifestent par des désordres affectant principalement les structures construites en surface et les ouvrages enterrés. Dans ce contexte, il est important d’appréhender le comportement hydromécanique de ces matériaux afin de mieux maîtriser leur utilisation. Le comportement hydromécanique complexe des matériaux argileux est directement relié à leur structure interne qui a été le principal sujet de plusieurs études sur la micro- et macrostructure des sols. Ces études ont conduit aux développements des modèles é
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Assadollahi, Tejaragh Hossein. "L’impact des événements climatiques et de la sécheresse sur le phénomène du retrait gonflement des argiles en interaction avec les constructions." Thesis, Strasbourg, 2019. http://www.theses.fr/2019STRAD011/document.

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Le changement climatique et les événements climatiques sévères tels que les périodes de sécheresse/humidification prolongées sont à l'origine du phénomène de retrait-gonflement dans les sols argileux. Ce phénomène est affecté par les interactions sol-végétation-atmosphère (SVA) et peut causer d’importants dommages structurels aux constructions légères telles que les bâtiments résidentiels. L’objectif de ce travail de recherche est de modéliser le comportement in situ du retrait-gonflement des sols gonflants dans un contexte SVA en se basent sur des outils numériques. Une méthode d'interaction
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Pusari, Quispe Oscar Alonso, and Machuca Joao Yhazzir Rodriguez. "Estudio experimental de mejoramiento de las propiedades de resistencia al corte de un suelo expansivo con polvo de vidrio reciclado y fibras de polipropileno en la ciudad de Talara, departamento de Piura." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/653985.

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Los resultados del estudio que se expone en la presente tesis, tratan sobre las arcillas expansivas en “Talara”, en base a resultados obtenidos en los ensayos de laboratorio como el Análisis Granulométrico por Tamizado, ensayo de Límite Líquido, Límite Plástico e Índice de Plasticidad, ensayo de Proctor modificado y el ensayo Corte Directo. Cabe decir que dichos ensayos se realizaron tomando como punto de partida las características geológicas, geomorfológicas, geotécnicas y la evaluación de daños en las diversas estructuras de la zona como viviendas producto de la expansión y consolidación de
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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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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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