Bibliografías temáticas / Geosynthetics

Literatura académica sobre el tema "Geosynthetics"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 26 de julio de 2024

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Artículos de revistas sobre el tema "Geosynthetics"

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Yoo, Chungsik. "Geosynthetic Solutions for Sustainable Transportation Infrastructure Development". Sustainability 15, n.º 22 (9 de noviembre de 2023): 15772. http://dx.doi.org/10.3390/su152215772.

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Geosynthetic engineering has made significant advances during the past decade in the areas of manufacturing and practical applications. As a result, geosynthetics have become essential materials that facilitate construction, better improve short- and long-term performance, and reduce long-term maintenance costs in routine civil engineering projects. Geosynthetics are also being recognized as fundamental to sustainable infrastructure development as they reduce the carbon footprint generated by infrastructure development by minimizing the use of natural construction materials. Creative use of geosynthetics in geo-engineering practices is expected to continue to expand as innovative materials and products are becoming available. In this paper, we begin by discussing issues related to climate change. The sustainable benefits of geosynthetics are then presented by demonstrating the potential of geosynthetics to significantly reduce carbon footprints compared to traditional solutions. Finally, recent geosynthetic technologies have been introduced for use in transportation infrastructure. The pathway forward of the geosynthetic technology is also discussed from the view of sustainable infrastructure development.
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Wathugala, G. Wije, Baoshan Huang y Surajit Pal. "Numerical Simulation of Geosynthetic-Reinforced Flexible Pavements". Transportation Research Record: Journal of the Transportation Research Board 1534, n.º 1 (enero de 1996): 58–65. http://dx.doi.org/10.1177/0361198196153400109.

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In traditional analyses of flexible pavements the linear elastic material behavior is assumed for pavement materials. However, pavement materials do not behave as linear elastic materials. They can be better modeled by using elasto-plastic constitutive relationships. The consequences of the assumption of linear elasticity in the prediction of the behavior of geosynthetic-reinforced flexible pavements are presented. The effect of the stiffness of geosynthetic reinforcements on pavement behavior is also studied. The behavior of a geosynthetic-reinforced flexible pavement is analyzed by the finite-element method with different constitutive models. The results of six analyses where E is Young's modulus [Case 1, linear elastic models with geosynthetics (Case 1a, E = 1 GPa; Case 1b, E = 100 GPa); Case 2, linear elastic models without geosynthetics; Case 3, elasto-plastic models with geosynthetics (Case 3a, E = 1 GPa; Case 3b, E = 100 GPa); and Case 4, elasto-plastic models without geosynthetics on the same pavement under the same load cycle] are presented and compared. Key observations and conclusions are as follows. The linear elastic analyses predicted tensile stresses in the crushed limestone layer although in reality this material cannot withstand tensile stresses. The vertical stresses directly under the load for all of the analyses were very close and were little smaller than those predicted by Boussinesq's equations. The linear elastic analyses showed only a small reduction in settlements when geosynthetics were added. In contrast, elasto-plastic analyses showed a large reduction in settlements, especially with stiffer geosynthetics. Previously published field data indicate an improvement in the pavement performance when geosynthetic reinforcements are introduced.
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Zieliński, P. "Investigations of Fatigue of Asphalt Layers with Geosynthetics". Archives of Civil Engineering 59, n.º 2 (1 de junio de 2013): 247–63. http://dx.doi.org/10.2478/ace-2013-0013.

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Abstract This paper presents the results of an extensive investigation of asphalt concrete beams with geosynthetics interlayer. The subject of the research is an evaluation of influence of geosynthetics interlayer applied to bituminous samples on their fatigue life. The results of the tests evidences that when geosynthetics are used, the fatigue life depends mainly on the type of bituminous mixture, the type of geosynthetics, and the type and the amount of bitumen used for saturation and sticking. The amount of bitumen used to saturate and fix the geosynthetic significantly changes the samples fatigue properties. Essential positive correlation between fatigue and parameters of interlayer bonding (shear strength, shear stiffness) occurs in both testing temperatures.
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Ingle, Ganesh y S. S. Bhosale. "Geosynthetics reinforced flexible pavement: review of laboratory model studies". International Journal of Engineering & Technology 6, n.º 4 (21 de septiembre de 2017): 103. http://dx.doi.org/10.14419/ijet.v6i4.8158.

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Number of laboratory studies; have shown that geosynthetics reinforcement improves the performance of flexible pavement either by ex-tending the service life or by savings in base course thickness. In spite of the good laboratory evidence for the geosynthetics reinforced flexible pavement, the mechanism that enables and governs the reinforcement function is still unclear [1]. Cyclic laboratory test has been one of the ways, used for assessing/evaluating the soil-geosynthetic interaction mechanisms. In such a tests contribution of geosynthetics prop-erties, interface shear provided by geotextiles and interlocking provided by geogrids when used under or within the base course of flexible pavement are mainly concentrated. This paper reviews literature of laboratory model studies carried out by various researchers over the globe. This review indicates that, appreciable improvement due to geosynthetics reinforcement depends upon various factors viz. location of geosynthetics, geogrid aperture size, geosynthetics properties, mainly stiffness, variation of base course thickness and strength of subgrade soil. The findings of these laboratory studies are also correlated with the same nature of field studies finding.
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Damians, Ivan P., Pietro Rimoldi, Yoshihisa Miyata, Oliver Detert, Stefan Uelzmann, Michael Hoelzel, Andreas Kirchner et al. "Summary of the Soil Reinforcement Technical Committee Special Session (IGS TC-R)". E3S Web of Conferences 368 (2023): 03010. http://dx.doi.org/10.1051/e3sconf/202336803010.

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This document provides a summary of the different topics presented at the Special Session organized by the International Geosynthetics Society (IGS) Technical Committee on Soil Reinforcement (TC-R). This Special Session brings together very interesting studies regarding soil reinforcement in the field of geosynthetics. Studies presented include topics both from theoretical and practical points of view of reinforcement geosynthetics including general products and applications, cases studies on road embankments under challenging site boundary conditions, research on deterministic and probabilistic design of reinforced fills over voids, numerical analysis of reinforced soil wall structures, encased granular column technique, and geosynthetic-reinforced bridge abutment behavior.
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Zornberg, Jorge G. y S. Subramanian. "Advances in the Use of Geosynthetics for Stabilization of Unbound Aggregate Layers". E3S Web of Conferences 368 (2023): 01003. http://dx.doi.org/10.1051/e3sconf/202336801003.

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The governing mechanism associated with the stabilization of unbound aggregate layers in pavements is lateral restraint. Reproducing this mechanism in the laboratory maybe challenging because, while the original loading source is cyclic (traffic), lateral restraint develops through interlocking and interfacial friction between the geosynthetic and the aggregate to restrain the development of permanent lateral strains. Considering the relevance of lateral restraint in the quantification of the benefits of geosynthetics embedded within (or adjacent to) unbound aggregate layers, this study focuses on two experimental approaches to quantify this mechanism. The first experimental approach aims at defining a design parameter, identified as the Stiffness of the Soil-geosynthetic Composite (KSGC), which is obtained from Soil-Geosynthetic interaction (SGI) tests and is practical for use in specifications and design. The second experimental approach that quantifies the lateral restraint mechanism involves one-third scale accelerated pavement tests (APTs), which were performed on pavement test sections stabilized with various geosynthetics, diverse in terms of geometry and materials. The rutting from these sections was compared to that in the non-stabilized (control) section to evaluate the Traffic Benefit Ratio (TBR) at failure rut depth for each geosynthetic. The TBR obtained showed a strong linear correlation to the KSGC of the corresponding geosynthetic determined by SGI tests. Overall, the KSGC parameter was found to represent a suitable indicator of the performance of pavements with unbound aggregate layers stabilized using geosynthetics.
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Adolphe, Kempena, Mbilou Urbain Gampio, Mouanda Makanda Emilienne Greve, Rafael Guardado Lacaba, Antonio Olimpio Gonçalves y Boudzoumou Florent. "Modeling of the Direct Shear Test from the Finish Elements Method". European Journal of Engineering and Technology Research 6, n.º 6 (31 de octubre de 2021): 171–76. http://dx.doi.org/10.24018/ej-eng.2021.6.6.2541.

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Soil improvement using the geosynthetic technique is usually used for fine and friable soils. This technique provides a reinforced soil with high shear strength. The interest is certainly well displayed. Indeed, this work aims to numerically assess the geosynthetics placement influence on the fine sand properties. For this purpose, a reduced model has been designed to initially allow simulating the geosynthetic layer incorporation into an unsaturated soil while maintaining vertical stress and measuring the lateral stress generated during this incorporation. The scale model makes it possible to assess the possible displacements experienced by the soil during the direct shear test. Numerical modeling then made it possible to confirm the experimental results and verify these displacements behavior. Numerical modeling was carried out by applying the finite element method considering a behavioral law of the Mohr-Coulomb type for soil and geosynthetics. The results obtained by numerical modeling confirmed the direct shear test functionality in the laboratory. This opens the door to further studies about the geosynthetics effect in the soil.
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Adolphe, Kempena, Mbilou Urbain Gampio, Mouanda Makanda Emilienne Greve, Rafael Guardado Lacaba, Antonio Olimpio Gonçalves y Boudzoumou Florent. "Modeling of the Direct Shear Test from the Finish Elements Method". European Journal of Engineering and Technology Research 6, n.º 6 (31 de octubre de 2021): 171–76. http://dx.doi.org/10.24018/ejeng.2021.6.6.2541.

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Soil improvement using the geosynthetic technique is usually used for fine and friable soils. This technique provides a reinforced soil with high shear strength. The interest is certainly well displayed. Indeed, this work aims to numerically assess the geosynthetics placement influence on the fine sand properties. For this purpose, a reduced model has been designed to initially allow simulating the geosynthetic layer incorporation into an unsaturated soil while maintaining vertical stress and measuring the lateral stress generated during this incorporation. The scale model makes it possible to assess the possible displacements experienced by the soil during the direct shear test. Numerical modeling then made it possible to confirm the experimental results and verify these displacements behavior. Numerical modeling was carried out by applying the finite element method considering a behavioral law of the Mohr-Coulomb type for soil and geosynthetics. The results obtained by numerical modeling confirmed the direct shear test functionality in the laboratory. This opens the door to further studies about the geosynthetics effect in the soil.
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Palmeira, Ennio M. "Sustainability and Innovation in Geotechnics: Contributions from Geosynthetics". Soils and Rocks 39, n.º 2 (1 de mayo de 2016): 113–35. http://dx.doi.org/10.28927/sr.392113.

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Geosynthetic are construction materials with several applications in geotechnical and geoenvironmental engineering. They are usually capable of providing more practical and economical solutions than traditional construction materials. The extensive use of the latter for centuries has reduced the availability or increased the cost of such materials for constructions and developments in many regions. In addition, restrictive environmental regulations have limited or prohibited the exploitation and use of some traditional construction materials. In such situations geosynthetics can provide cost-effective and environmentally friendly solutions for geotechnical problems. Their use can be even more beneficial to the environment when associated with or to enable the use of alternative or waste materials in engineering works. Among such possibilities there are the uses of wasted tires, plastics and recycled construction and demolition residues with geosynthetics. This paper presents and discusses the use of geosynthetics associated with non-conventional construction materials in different geotechnical and geoenvironmental applications. Advantages and limitations of such combinations are discussed. The development and application of alternative low-cost geosynthetic products are also addressed.
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Gaikwad, Samuel. "Comparison and Suitability Analysis of Geosynthetics in Road Construction". International Journal for Research in Applied Science and Engineering Technology 9, n.º 8 (31 de agosto de 2021): 3074–83. http://dx.doi.org/10.22214/ijraset.2021.37889.

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Abstract: Geosynthetics are with success used for many years within the construction of roads. They fulfill most classical perform like separation, protection, filtration, Drainage, sealing, and reinforcement. In recent time the scope of application has been extended considerably by the development of road pavement. Field evidences indicate that geosynthetic reinforcements will improve pavement performance by avoiding cracking, rutting, and patholes & by reducing deflection of paved surface. The rise in urbanization crystal rectifier to the inadequacy of the land for building, because of that land with high water content and low bearing capability had to be used. within the past history numerous|many alternative} strategies are projected thus on improve the unfavorable conditions prevailing in various locations like the locations with low bearing capability soil, water work conditions, land movements, etc. the appliance of geosynthetics has proved to be the foremost promising answer of all the alternatives. numerous forms of geosynthetics are wont to fulfill numerous functions like filtration, separation, drainage, reinforcement, mitigation of reflective cracks, by the utilization of one or combination of 2 or additional geosynthetics. This use of geosynthetics has conjointly contributed towards the goal of being one among the foremost economical and much applicable alternatives. This paper conjointly studies the characteristics and therefore the basic data of geosynthetics usually just in case of pavement like geotextile, geogrid, geonets, geomembrane, GCL Associate in Nursingd geo- composite having an unequivocal perform. It includes the comparison of the pavement made with the assistance of geosynthetics and therefore the standard pavements against numerous parameters like bearing capability, wetness content, economy, maintenance needed and therefore the life amount of the pavement. the utilization of geosynthetics is increasing at a awfully fast rate and is being accepted worldwide and therefore there rises the need for elaborate study. Keywords: Geosynthetics, Road Pavement, Water Work, Geomembrane.
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Tesis sobre el tema "Geosynthetics"

1

Muthu, Raju D. "Large scale pullout testing of geosynthetics". Thesis, University of British Columbia, 1991. http://hdl.handle.net/2429/30027.

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An evaluation of soil-geosynthetic interface friction is important to the design of any anchorage detail of a reinforced soil structure or membrane-lined waste containment facility. A large pullout apparatus has been designed and commissioned to evaluate the mobilization of pullout resistance in geosynthetic test specimens. Sand samples were prepared by pluviation into a rectangular box, 1.30m x 0.64m x 0.60m. A stress controlled top boundary was used to apply vertical stresses in the range 5 to 90 kPa. A rate of pullout displacement of 0.5 mm/min was used in the program of testing. A technique of strain gauging the geosynthetic test specimen has been developed. Variables examined in the program of testing were type of geosynthetic and confining stress. Measurement of pullout force, pullout displacement, horizontal pressure on front face of the test box, strain in geosynthetic material, water pressure in the surcharge bag, and volume change were taken during testing. Pullout resistance increases with confining stress and is described by a bond factor or a bond coefficient. Some test specimens failed in pullout, and some were tending toward tensile yield. A development of progressive strain was observed.
Applied Science, Faculty of
Civil Engineering, Department of
Graduate
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2

McKay, Donald J. S. "Analysis of river-erosion control geosynthetics". Thesis, Glasgow Caledonian University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.251233.

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Lee, Jae-Myung. "Long-term hydraulic performance of geosynthetic clay liners subjected to inorganic salt solutions". Access citation, abstract and download form; downloadable file 15.20 Mb, 2004. http://wwwlib.umi.com/dissertations/fullcit/3131681.

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Little, Peter H. "The design of unsurfaced roads using geosynthetics". Thesis, University of Nottingham, 1993. http://eprints.nottingham.ac.uk/13141/.

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Current available methods for the design of unpaved roads, with and without geosynthetics, were used for sixteen full-scale test sections which were constructed at the Bothkennar Soft Clay Site, Airth, Scotland. The full-scale trials consisted of twelve pavements including geosynthetics and four control pavements incorporating two types of aggregate and two design life expectancies. The test pavements were instrumented to monitor the transient stress and strain distribution, permanent strain distribution, geosynthetic temperature and ground water level during the trafficking operation. Traffic loading was provided in two stages by a standard road-going vehicle. The vehicle used for Phase One applied an 80kN axle load and in Phase Two a 126kN axle load. Failure of the pavements was defined as a rut depth of 150mm. The passage of 2115 axles resulted in failure of three sections and significant deformations in many others. Back-calculation to compare predicted and measured performance was performed and hence the existing design methods were critically assessed. Where possible the measurements obtained from field trials were used to examine the assumptions made within the design methods. The existing design methods were found to be essentially static in approach and did not model transient stresses and strains or permanent strain development adequately. Pointers towards a new approach ensuring strain compatibility between the elements of the system are suggested. This should enhance the ability of the engineer to assess the value of differing products used in this application.
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Holley, Timothy Michael. "Development of a test protocol for cyclic pullout of geosynthetics in roadway base reinforcement". Thesis, Montana State University, 2009. http://etd.lib.montana.edu/etd/2009/holley/HolleyT0509.pdf.

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Geosynthetics, or manmade materials used in soils engineering, have successfully been used as base reinforcement of pavements for over 40 years. Use of geosynthetics can result in cost savings by allowing the aggregate base layer to be reduced in thickness and/or the service life of the pavement to be extended. Design methods for this type of reinforcement have typically been developed by individual manufacturers for specific products. These methods are not widely used by state transportation agencies because 1) they are proprietary, 2) they are empirically based, and 3) they lack compatibility with the current national trend towards mechanistic-empirical pavement design procedures. This project was initiated to develop testing methods to determine one of the critical material properties needed for mechanistic-empirical base-reinforced pavement design, namely, the resilient interface shear stiffness. This property describes the interaction, in particular the shear stiffness, between the geosynthetic and the surrounding aggregate. This new test protocol closely mimics vehicular load patterns, resulting in design parameters pertinent to the use of the geosynthetics to reinforce the base course. A study was conducted to evaluate the repeatability of these tests and to develop a standardized test method. Specific parameters under investigation include load pulse and rest period duration, embedment length of the geosynthetic, and differences in results using different soils and types of geosynthetics. Some parameters seemed to have little effect on values of resilient interface shear stiffness, while others vastly impacted the results. Load pulse and rest period durations did not affect output results significantly. Maintaining a constant confinement or shear stress during the test duration produced higher repeatability and correlated well to the adapted resilient modulus equation. Three-aperture length tests on polyester geogrid also correlated well with this equation, however repeatability was moderately low. Polypropylene geogrid and a woven geotextile confined in Ottawa sand displayed low correlation to this equation. During testing, very small displacements occur, and therefore, every effort should be made to ensure that these measurements are accurate and not skewed by electrical noise and interference.
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Jones, David Russell Vaughan. "The stability of geosynthetics in landfill lining systems". Thesis, Nottingham Trent University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297735.

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Ingram, Ronald J. "Geosynthetic-soil interface properties for cohesionless and cohesive media". Morgantown, W. Va. : [West Virginia University Libraries], 2006. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4813.

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Thesis (M.S.)--West Virginia University, 2006.
Title from document title page. Document formatted into pages; contains xv, 150 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 137-140).
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Henry, Karen S. "The use of geosynthetics to mitigate frost heave in soils /". Thesis, Connect to this title online; UW restricted, 1998. http://hdl.handle.net/1773/10145.

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Niemiec, Jonathan. "Investigation of soil-geosynthetic interface properties". Morgantown, W. Va. : [West Virginia University Libraries], 2005. https://etd.wvu.edu/etd/controller.jsp?moduleName=documentdata&jsp%5FetdId=3929.

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Thesis (M.S.)--West Virginia University, 2005.
Title from document title page. Document formatted into pages; contains xvi, 222 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 218-222).
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Zhao, Lin Shuang. "Modelling column-supported and geosynthetic-reinforced embankment on soft soil foundation". Thesis, University of Macau, 2018. http://umaclib3.umac.mo/record=b3951591.

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Libros sobre el tema "Geosynthetics"

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Shukla, Sanjay Kumar. Handbook of geosynthetic engineering: Geosynthetics and their applications. 2a ed. London: ICE, 2012.

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Giroud, Jean-Pierre. Geosynthetics bibliography. St. Paul, MN, USA: IFAI, Industrial Fabrics Association International, 1993.

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N, Mandal J., ed. Geosynthetics world. New Delhi: Wiley Eastern, 1994.

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Designing with geosynthetics. 6a ed. [Indianapolis, Ind.?]: Xlibris Corp., 2012.

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Designing with geosynthetics. 3a ed. Englewood Cliffs, N.J: Regents/Prentice Hall, 1994.

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Rao, G. Venkatappa y G.V.S. Suryanarayana Raju. Advances in geosynthetics. Hyderabad: Sai Master Geoenvironmental Services, 2012.

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G, Venkatappa Rao, ed. Geosynthetics: New horizons. New Delhi: Asian Books, 2004.

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Koerner, Robert M. Designing with geosynthetics. 4a ed. Upper Saddle River, NJ: Prentice Hall, 1998.

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Peggs, ID, ed. Geosynthetics: Microstructure and Performance. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 1990. http://dx.doi.org/10.1520/stp1076-eb.

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1933-, Koerner Robert M., ed. The Seaming of geosynthetics. London: Elsevier Applied Science, 1990.

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Capítulos de libros sobre el tema "Geosynthetics"

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Mangraviti, Viviana. "Displacement-Based Design of Geosynthetic-Reinforced Pile-Supported Embankments to Increase Sustainability". En Civil and Environmental Engineering for the Sustainable Development Goals, 83–96. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-99593-5_7.

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AbstractAlthough the construction of concrete piles has a relevant environmental footprint, they are commonly used to reduce settlements of embankments on soft soil strata. A more sustainable choice to further reduce settlements (and, consequently, the number of piles) is to place geosynthetics below the embankment. However, existing design methods cannot calculate settlements at the embankment top and cannot be used to optimise the number of piles in a displacement-based design. In this note, an innovative model for assessing settlements at the top of Geosynthetic-Reinforced and Pile-Supported embankments induced by the embankment construction process is presented and validated against finite difference numerical analyses. The model is used to optimise the design of both piles and geosynthetic, and applied to a practical example, where the mass of CO2 saved by designing geosynthetics to reduce the pile number. Graphical Abstract
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Yao, Jialiang, Zhigang Zhou y Hongzhuan Zhou. "Geosynthetics". En Highway Engineering Composite Material and Its Application, 25–49. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-6068-8_2.

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Bustillo Revuelta, Manuel. "Geosynthetics". En Springer Textbooks in Earth Sciences, Geography and Environment, 503–37. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-65207-4_17.

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Kato, T., A. Takai, Y. Zhang, L. W. Gathuka, T. Katsumi y Y. Kinoshita. "Geosynthetic sorption sheet—Another function of geosynthetics?" En Geosynthetics: Leading the Way to a Resilient Planet, 1527–33. London: CRC Press, 2023. http://dx.doi.org/10.1201/9781003386889-199.

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Hegde, Amarnath M. "Geosynthetics Overview". En Geocells, 1–27. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6095-8_1.

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Damians, Ivan P., Yoshihisa Miyata, Pietro Rimoldi, Nathalie Touze y John Kraus. "Sustainability of Geosynthetics-Based Landslide Stabilization Solutions". En Progress in Landslide Research and Technology, Volume 1 Issue 1, 2022, 197–205. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-16898-7_14.

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AbstractThis paper considers the sustainability of geosynthetics-based solutions to mitigate landslide risks. The different types of geosynthetics are briefly described, along with their functions and applications relevant to landslides, emphasizing reinforcement. The paper identifies the sustainability factors to consider when applying geosynthetics for these purposes. The paper then presents an overview based on existing literature to illustrate how geosynthetics typically outperform traditional methods across a range of sustainability criteria across the entire life cycle. The paper shows lastly how the value integrated model for sustainable evaluations (MIVES) tool can be applied to evaluate and compare alternative methods for remediation of landslides and recommends further studies using this tool.
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Mestat, Philippe. "Geosynthetics and Waterproofing". En Organic Materials for Sustainable Construction, 203–68. Hoboken, NJ USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118616734.ch10.

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Koerner, R. M. y Y. G. Hsuan. "Geosynthetics: Characteristics and Testing". En Geotechnical and Geoenvironmental Engineering Handbook, 173–96. Boston, MA: Springer US, 2001. http://dx.doi.org/10.1007/978-1-4615-1729-0_7.

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Koerner, Robert M. "Geosynthetics in Geotechnical Engineering". En Foundation Engineering Handbook, 796–813. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-3928-5_22.

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Evans, Jeffrey, Daniel Ruffing y David Elton. "Ground improvement using geosynthetics". En Fundamentals of Ground Improvement Engineering, 257–306. London: CRC Press, 2021. http://dx.doi.org/10.1201/9780367816995-9.

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Actas de conferencias sobre el tema "Geosynthetics"

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Ponomaryov, Andrey B. "REINFORCEMENT OF SOIL FOUNDATIONS". En VIII Петрухинские чтения. АО «НИЦ «Строительство», 2024. http://dx.doi.org/10.37538/2713-1149-2024-104-123.

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This article gives the basic terms and definitions of geosynthetic materials currently used in construction. The main functions and types of geosynthetics are shown. Most of the article is devoted to the results obtained by various researchers of the Perm Scientific School. The results of reinforcing sandy and clayey soils with geosynthetic materials, reinforcing soil pads, using fiber soil, reinforcing karst soils, and using geosynthetics in seasonally freezing soils are shown.
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Šiukšcius, Aurimas, Viktoras Vorobjovas y Audrius Vaitkus. "Geogrid Reinforced Subgrade Influence to Ensure Paved Road Durability". En Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.148.

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Geosynthetic materials are more and more often used for subgrade reinforcement and/or stabilisation. Geosynthetic reinforcement products used for paved and unpaved roads or traffic areas function on the basis of two mechanisms that contribute to their performance. Shear loads developing in unbound granular layers as a result of traffic loading are transmitted from the base aggregate to the geosynthetic as a result of frictional interaction or via the so called interlocking effect. Depending on the geosynthetic material properties load absorption functions on the basis of frictional interaction and the membrane effect. This study indicates how these two load absorbing mechanisms, depending on the geosynthetic material properties, correspond to the regulations for use of geosynthetics for road embankments and subgrades and harmonised European standards that are valid in Lithuania. It also presents the corrections and additions to improve the existing regulations for use of geosynthetics for road embankments and subgrades to ensure a better paved road durability.
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Ng, S. T. G. "Geosynthetics – A Sustainable Construction Material". En The HKIE Geotechnical Division 42nd Annual Seminar. AIJR Publisher, 2022. http://dx.doi.org/10.21467/proceedings.133.24.

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Geosynthetic is a broad term given to geotextile, geomembrane, geogrid, geocell etc. It’s provenance in the 60’s was primarily the cut of construction cost and time. Ubiquitous savings were evidenced over the years. Several decades later, a new age of sustainable construction is dawning, in preserving resource, mitigating climate change and reducing greenhouse gas (GHG) emission, the best of both worlds in cost effectiveness and sustainability. But how sustainable is with the use geosynthetics. Carbon footprint assessment has been introduced to quantify any hindsight. From resin production, to manufacturing, to shipment and from site installation, to operation, to maintenance and eventually to dismantling and disposal, equivalent CO2 emission can be traced and calculated. This paper reviews some of the trends and studies on this emission benchmark development, and therefore the comparison of CO2 emission between different methods of construction with geosynthetic and that of the conventional. The picture, indeed, underpins cogent discussion. It is hoped that a change of local mind set to appreciate geosynthetic, to accept its design, to review construction rule and regulation and to educate the next generation can be way forward to underline geosynthetic as a viable sustainable construction material.
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Merdan, Anesa y Mario Bačić. "Analysis of the influence of geogrids on the failure mechanisms of the shallow foundations". En 8th Symposium on Doctoral Studies in Civil Engineering. University of Zagreb Faculty of Civil Engineering, 2022. http://dx.doi.org/10.5592/co/phdsym.2022.10.

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The use of geosynthetic materials to improve soil bearing capacity below shallow foundation is relatively novel area of study of geotechnical engineering. A large number of studies have been carried out analysing impact of geosynthetic materials on the bearing capacity of the soil, and these are based mostly on experimental analysis and numerical simulations. This work gives an overview of studies about the application of reinforcement of soil with geogrids and their influences on the soil failure mechanisms. The work represents a basis for future investigations analysing the sensitivity of influence of the relevant parameters of geosynthetics on failure mechanisms.
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FERNANDES, Rafaela Baldi. "Case Study: Use of terramesh to recovery erosions in tailings and water reservoirs". En 11 International Conference on Geosynthetics. Recife, Brasil: Even3, 2018. http://dx.doi.org/10.29327/13212.11-1.

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Horvath, John S. "Cellular Geosynthetics in Transportation Applications". En GeoTrans 2004. Reston, VA: American Society of Civil Engineers, 2004. http://dx.doi.org/10.1061/40744(154)49.

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Jones, C. J. F. P., J. Lamont-Black, S. Glendinning y R. C. Pugh. "New Applications for Smart Geosynthetics". En Geo-Frontiers Congress 2005. Reston, VA: American Society of Civil Engineers, 2005. http://dx.doi.org/10.1061/40789(168)33.

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Zornberg, Jorge G. "Ingenuity in Geotechnical Design Using Geosynthetics". En GeoCongress 2012. Reston, VA: American Society of Civil Engineers, 2012. http://dx.doi.org/10.1061/9780784412138.0016.

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PATEL, PRAVIN y RAJESH DHORE. "Use Of Geosynthetics In Water Harvesting". En Third International Conference on Advances In Civil, Structural and Environmental Engineering- ACSEE 2015. Institute of Research Engineers and Doctors, 2015. http://dx.doi.org/10.15224/978-1-63248-065-1-89.

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BERGADO, D. T. y H. M. ABUEL-NAGA. "TSUNAMI DEVASTATIONS AND RECONSTRUCTION WITH GEOSYNTHETICS". En Proceedings of the International Conference. WORLD SCIENTIFIC, 2005. http://dx.doi.org/10.1142/9789812701602_0003.

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Informes sobre el tema "Geosynthetics"

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Qamhia, Issam y Erol Tutumluer. Evaluation of Geosynthetics Use in Pavement Foundation Layers and Their Effects on Design Methods. Illinois Center for Transportation, agosto de 2021. http://dx.doi.org/10.36501/0197-9191/21-025.

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This report presents findings of a research effort aimed at reviewing and updating existing Illinois Department of Transportation (IDOT) specifications and manuals regarding the use of geosynthetic materials in pavements. The project consisted of three tasks: evaluate current IDOT practice related to the use of geosynthetics; review research and state of the practice on geosynthetics applications, available products, design methods, and specifications; and propose recommendations for geosynthetic solutions in pavements to modernize IDOT’s practices and manuals. The review of IDOT specifications revealed that geotextiles are the most used geosynthetic product in Illinois, followed by geogrids. Several of IDOT’s manuals have comprehensive guidelines to properly design and construct pavements with geosynthetics, but several knowledge gaps and potential areas for modernization and adoption of new specifications still exist. Based on the review of the available design methods and the most relevant geosynthetic properties and characterization methods linked to field performance, several updates to IDOT’s practice were proposed. Areas of improvement are listed as follows. First, establish proper mechanisms for using geogrids, geocells, and geotextiles in subgrade restraint and base stabilization applications. This includes using shear wave transducers, i.e., bender elements, to quantify local stiffness enhancements and adopting the Giroud and Han design method for subgrade restraint applications. Second, update IDOT’s Subgrade Stability Manual to include property requirements for geogrids, geotextiles, and geocells suitable for subgrade restraint applications. Third, establish proper standards on stabilization, separation, and pumping resistance for geotextiles by incorporating recent research findings on geotextile clogging and permeability criteria. Fourth, promote the use of modern geosynthetic products, such as geotextiles with enhanced lateral drainage, and fifth, elaborate on proper methods for construction/quality control measures for pavements with geosynthetics.
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Christoforidou, Eirini, Antonio Bobet, Tommy Nantung y Philippe L. Bourdeau. Use of Geosynthetics on Subgrade and on Low and Variable Fill Foundations. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317437.

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There are significant problems during construction to establish an adequate foundation for fills and/or subgrade for pavements when the natural ground has low-bearing soils. Geosynthetics such as geogrids, geotextiles, and/or geocells could provide a less time-consuming, costly alternative for establishing an adequate foundation for the fill and/or subgrade. There is extensive evidence in the literature and on DOTs practices about the suitability of using geotextiles in pavements as separators. Previous studies have also shown that the use of geogrids in flexible pavements as a reinforcing mechanism could decrease the thickness of the base layer and/or increase the life of the pavement. In this study, analyses of selected pavement designs using Pavement ME—while considering geogrid-enhanced base or subgrade resilient modulus values—showed that geogrid-reinforcement, when placed at the interface between subgrade and base, did not produce significant benefits and only a modest increase in pavement life was predicted. In addition, parametric finite element analyses were carried out to investigate the potential benefits of placing a geogrid at the base of a fill over a localized weak foundation zone. The analyses showed that the use of geogrids is beneficial only when: (a) the stiffness of the weak foundation soil is about an order of magnitude smaller than the rest of the foundation soil; and (b) the horizontal extent of the weak foundation soil is at least 30% of the base of the embankment foundation. The largest decrease in differential settlements at the surface of the fill, resulting from geogrid-reinforcement, was less than 20% and, therefore, it is unlikely that the sole use of geogrids would be sufficient to mitigate differential settlements. Based on previous studies, a geocell mattress, which is a three-dimensional geosynthetic filled with different types of materials, could act as a stiff platform at the base of an embankment and bridge over weak zones in the foundation. However, given the limited experience in Indiana on the use of geocells, further research is required to demonstrate that geocells can be effectively used in place of other reinforcement methods.
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Honegger, Wijewickreme y Monroy. L52325 Assessment of Geosynthetic Fabrics to Reduce Soil Loads on Buried Pipelines - Phase I and II. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), diciembre de 2011. http://dx.doi.org/10.55274/r0010398.

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High soil loads on buried pipelines can lead to unacceptably high pipeline strains developed in response to permanent ground displacement. Common causes of permanent ground displacement are related to slope instability as a result of heavy precipitation or ground subsidence. In addition, several permanent ground displacement hazards are related to earthquakes including surface fault displacement, triggered landslide movement, surface ground settlement related to liquefaction, and lateral spread displacement. Result: Four specific areas of investigation were completed: 1.Performed baseline tests in moist sand to confirm minimal difference in horizontal soil restraint between moist and dry sand. 2.Performed tests to gauge the variation in horizontal load reduction with separation between the pipe and an inclined trench wall lined with two layers of geotextile. 3.Performed tests in compacted 19 mm (0.75 in) minus sand and crushed limestone (referred to locally in British Columbia as road mulch) to attempt to provide larger difference between horizontal forces developed with and without lining a trench wall with geotextile. 4.Performed tests to attempt to confirm oblique horizontal-axial soil restraint behavior reported in small-scale tests and centrifuge tests. Benefit: Rather than undertake further physical testing to better understand how the presence of single or dual layers of geotextile fabric changes the mechanisms by which soil restraint develops for horizontal ground displacement, future efforts should focus on numerical simulation preferably using discrete element methods. Until full-scale test data are available to confirm consistent prediction of oblique horizontal-axial soil restraint, the practice of treating horizontal and axial soil springs independently in the analysis of buried pipeline response to ground displacement, as is the current practice, should be maintained.
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