Littérature scientifique sur le sujet « Bangkok Clay »

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Articles de revues sur le sujet "Bangkok Clay"

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Ratananikom, Wanwarang, Siam Yimsiri, Fumihiko Fukuda et Suched Likitlersuang. « Failure Surface and Plastic Potential in Deviatoric Plane of Bangkok Clay ». Applied Mechanics and Materials 256-259 (décembre 2012) : 256–60. http://dx.doi.org/10.4028/www.scientific.net/amm.256-259.256.

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This paper presents an experimental investigation on the failure surface and plastic potential in deviatoric plane of Bangkok Clay. The results of torsional shear hollow cylinder and triaxial tests with various principal stress directions and magnitudes of intermediate principal stress on undisturbed Bangkok Clay specimens are presented. The obtained stress-strain behaviors assert clear evidences of anisotropic characteristics of Bangkok Clay. Both failure surface and plastic potential in deviatoric plane of Bangkok Clay are demonstrated as isotropic and of circular shape (Drucker-Prager type) which implies an associated flow rule. Concerning the behavior of Bangkok Clay found from this study, the discussions on the effects of employed constitutive modeling approach on the resulting numerical analysis are made.
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Tanaka, Hiroyuki, Jacques Locat, Satoru Shibuya, Tan Thiam Soon et Dinesh R. Shiwakoti. « Characterization of Singapore, Bangkok, and Ariake clays ». Canadian Geotechnical Journal 38, no 2 (1 avril 2001) : 378–400. http://dx.doi.org/10.1139/t00-106.

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A soil investigation was carried out at two sites in Singapore and Bangkok, Southeast Asia, and the results were compared with those from a site in Ariake, Japan. Soil samples at all the sites were retrieved using the Japanese sampling method to nullify the effect of sampling on sample quality. From the laboratory tests, consolidation characteristics and undrained shear strength were measured. In addition to the mechanical tests, X-ray diffraction and scanning electron microscope tests were carried out to identify clay minerals and to study their microstructure. Great differences in physical and mechanical properties of these clays were observed, which may be attributed to the difference in their clay mineral components and variation in the sedimentation environment.Key words: site investigation, marine clay, undrained shear strength, anisotropy, consolidation, clay mineral.
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Abuel-Naga, H. M., D. T. Bergado, A. Bouazza et G. V. Ramana. « Volume change behaviour of saturated clays under drained heating conditions : experimental results and constitutive modeling ». Canadian Geotechnical Journal 44, no 8 (août 2007) : 942–56. http://dx.doi.org/10.1139/t07-031.

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One of the essential features of thermomechanical behaviour of saturated fine-grained soils is the thermally induced volume change occurring under a drained heating condition. In this study, a modified oedometer apparatus, able to handle temperatures up to 100 °C, was used to investigate the thermally induced volume change behaviour of soft Bangkok clay. The results of this experimental study provide additional experimental evidence and insights that may enhance the understanding of volume change behaviour of saturated clays at elevated temperatures. This paper also introduces an isotropic thermoelastoplastic constitutive model that closely predicts the thermally induced volume change behaviour of saturated clay specimens under normally consolidated conditions as well as overconsolidated conditions obtained by unloading process in the temperature range of 20–95 °C. Two yield limits, namely: loading yield limit and thermal yield limit, each of which can be measured from simple experimental results, are proposed to capture the volumetric plastic strain behaviour induced either by mechanical or thermal loading (or any combination thereof). The capability of the proposed model has been verified against experimental results obtained on soft Bangkok clay as well as on two other clays (Boom clay and MC clay) as reported in the literature.
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Horpibulsuk, Suksun, Satoru Shibuya, Kittitep Fuenkajorn et Wanchai Katkan. « Assessment of engineering properties of Bangkok clay ». Canadian Geotechnical Journal 44, no 2 (1 février 2007) : 173–87. http://dx.doi.org/10.1139/t06-101.

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Due to the effect of structure, Bangkok clay is stable in a metastable state. Its void ratio, e, is the summation of the void ratio sustained by the intrinsic fabric, eR, and the additional void ratio due to the structure, es. The intrinsic state line (eR versus log σ′v, where σ′v is the effective vertical stress) is developed in terms of the void ratio at the liquid limit, eL. At the post-yield state, es is inversely proportional to σ′v. The residual additional void ratio, esr, which cannot be eliminated by the increase in effective vertical stress, is constant at about 0.20 for soft Bangkok clay and 0.12 for medium stiff Bangkok clay. From these findings and the ideal condition of zero compression at the pre-yield state, the field yield stress and field compression curve can be assessed. The undrained shear strength is directly related to the field yield stress, since both reflect the structure. The soil structure does not significantly influence the permeability. The permeability of the clay in structured and destructured states is identical under the same void ratio and can be determined from the generalized state parameter, e/eL. These observations result in a simple and practical method for assessment of the engineering properties of natural Bangkok clay.Key words: Bangkok clay, destructured state, compression, intrinsic state line, permeability, structured state, vane shear strength.
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Seah, Tian Ho, Note Sangtian et Io Chong Chan. « Vane Shear Behavior of Soft Bangkok Clay ». Geotechnical Testing Journal 27, no 1 (2004) : 1–10. http://dx.doi.org/10.1520/gtj11193.

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David Suits, L., TC Sheahan, TH Seah, N. Sangtian et IC Chan. « Vane Shear Behavior of Soft Bangkok Clay ». Geotechnical Testing Journal 27, no 1 (2004) : 11193. http://dx.doi.org/10.1520/gtj11266j.

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David Suits, L., TC Sheahan, TH Seah et S. Koslanant. « Anisotropic Consolidation Behavior of Soft Bangkok Clay ». Geotechnical Testing Journal 26, no 3 (2003) : 10174. http://dx.doi.org/10.1520/gtj11300j.

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Piriyakul, Keeratikan. « Strength Development of Soft Bangkok Clay Mixed with Cement ». Advanced Materials Research 813 (septembre 2013) : 391–94. http://dx.doi.org/10.4028/www.scientific.net/amr.813.391.

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This paper presents the experimental study on the strength development of soft Bangkok clay mixed with the Portland cement type 1. The soft Bangkok clay samples were mixed with 20% by weigh of Portland cement type 1 and cured for 3, 7, 14 and 28 days. Then, these samples were performed the bender element and the unconfined compression tests. The research found the relationship between Vs, G0, Su and time with the maximum values of Vs of 378.79 m/s, G0 of 224.72 MPa and Su of 403.23 kPa respectively. Moreover, the research found that Vs and G0 were directly proportional to Su.
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Balasubramaniam, Arumugam. « Large scaled field tests on soft Bangkok clay ». Soils and Rocks 44, no 4 (3 novembre 2021) : 1–23. http://dx.doi.org/10.28927/sr.2021.069921.

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In this lecture the interpretations of fully instrumented tests embankments and their role in the development of appropriate ground improvement techniques for highways, motorways and airfields on soft clay deposits is illustrated through well documented case studies in Bangkok, Thailand and Muar Flat Site in Kuala Lumpur. For the Bangkok Plain and with sand backfills the performance of embankments with different schemes of vertical drains was evaluated over a period of 25 years. Aspects such as recharging effects due to the drains, inadequate measures in maintaining vacuum during vacuum applications and possible hydraulic connections with large diameter drains are discussed. For the Muar test embankments, the role of fill strength in residual soil embankment and the field deformation analysis in separating consolidation settlement from immediate settlement and creep settlements is presented. Novel interpretations of settlement from pore pressure dissipations, secondary settlement from field measurements and decay of lateral deformation rate with time were also made.
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Knodel, PC, et MM Ali. « Statistical Evaluation of Bangkok Clay Shear Strength Parameters ». Geotechnical Testing Journal 13, no 3 (1990) : 250. http://dx.doi.org/10.1520/gtj10164j.

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Thèses sur le sujet "Bangkok Clay"

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Likitlersuang, Suched. « A hyperplasticity model for clay behaviour : an application to Bangkok clay ». Thesis, University of Oxford, 2003. http://ora.ox.ac.uk/objects/uuid:56dbe556-c58b-439f-b8fa-9e092f139309.

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The main purpose of this thesis is the development of a new constitutive soil model emphasising the use of thermodynamic principles. This new approach to plasticity modelling, termed ‘hyperplasticity’, was first developed by Collins and Houlsby (1997) and Houlsby and Puzrin (2000). This idea has been further extended to continuous hyperplasticity in which smooth transitions between elastic and plastic behaviour can be modelled (Puzrin and Houlsby, 2001b). Applying hyperplasticity to this research, a kinematic hardening model specified by means of two scalar functionals is used to accommodate the effect of stress history on stiffness. A rate-dependent calculation for an approximation of the incremental stress-strain response is introduced. The model developed in the research is named ‘kinematic hardening modified Cam-clay (KHMCC) model’ and requires eight parameters (plus an extra parameter for rate-dependent analysis). Triaxial test results from the Asian Institute of Technology (AIT) and cyclic undrained triaxial data from Chulalongkorn University are employed to establish the soil parameters for the new model. The model is initially developed in terms of triaxial stress-strain parameters for the purpose of comparison with the experimental data on Bangkok clay. The model is expressed in FORTRAN code for implementation into the OXFEM finite element program. Two examples of real geotechnical projects in Bangkok (a road embankment and tunnelling in soft ground) are analysed under plane strain conditions. Comparisons of the numerical analysis results with field data are made. In addition, factors affecting the results of the analysis such as stress history and K0, are investigated.
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NEGRI, MAURO PIETRO. « L'evoluzione olocenica della Lower Central Plain di Bangkok (Tailandia) sulla base delle faune fossili a molluschi ». Doctoral thesis, Università degli Studi di Milano, 2002. http://hdl.handle.net/10281/57180.

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Fossil molluscan assemblages are analyzed in order to reconstruct the evolution of the Northern Gulf of Thailand during Holocene. The marine sediments (Bangkok Clay Formation) of the Lower Central Plain of Bangkok and the coastal plain of Phetchaburi were sampled in 16 localities, obtaining fossil shells whose 14C ages range from 9000 to 2000 years BP. A statistical treatment of abundance data returned four major groups, namely the Dendostrea rosacea association (intertidal mud), the Corbula fortisulcata - Mactra luzonica association (shallow infralittoral sandy mud), the Nuculana mauritiana - Timoclea scabra association (infralittoral sand spit) and the Timoclea scabra - Arcopagia pudica association (infralittoral mud). The data allowed both a stratigraphic correlation along two transects covering all the Holocene basin and the creation of digitalized maps showing the presumable extension of the Thai paleogulf around the apex of Flandrian transgression event (about 5500 years BP).
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Petchgate, W. « The design and behaviour of cement column in soft Bangkok clay ». Thesis, 2004. https://eprints.utas.edu.au/21190/1/whole_PetchgateWarapot2004_thesis.pdf.

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This thesis involves a general review of deep soil treatment methods, which leads to a detailed review of cement columns as cost effective medium depth foundations. A field study involving, the improvement of soft Bangkok clay by cement jet grouting was undertaken using cement columns in the range of 5m to 15m. The columns were loaded to ultimate to obtain data for verification of the design process. Subsequent to testing the columns were cored to allow correlation between mix design and in situ column behaviour. It was found that the existing design process was inadequate due to high variation between laboratory mix design and installed column strength. The high variation resulted in piles crushing before ultimate bearing capacity could be achieved. A new design process has been developed that will help reduce the likelihood of poor field behaviour. Finally a parametric study using a Finite Element Method was undertaken and the results compared with the data from the field testing. The computer model for the cement columns was then calibrated to allow its use to predict the ultimate load of the cement column without the need for further expensive full scale tests.
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Livres sur le sujet "Bangkok Clay"

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Duangratana, Songsawasdi. Research associated with foundation improvement for road construction on soft Bangkok clay. Bangkok : Dept. of Highways, Ministry of Transport and Communications, 1993.

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Lizada, Rogelio L. Sang-awun sa Dabaw : Dinabaw term for once upon a time in Davao, 1848-1950's : a collection of stories about Davao and the Alzate-Bustamante-Suazo-Bangoy clan, one of the original settlers of Davao in 1848. Davao City : Rogelio L. Lizada, 2002.

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Chapitres de livres sur le sujet "Bangkok Clay"

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Bergado, D. T., et K. Y. Kang. « Improvement of dispersive soils by mixing with Bangkok clay or bentonite ». Dans Environmental Geotechnics and Problematic Soils and Rocks, 471–94. London : CRC Press, 2021. http://dx.doi.org/10.1201/9781003211051-47.

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Bergado, Dennes T., Salisa Chaiyaput et Pitthaya Jamsawang. « Full-Scale Embankment in Soft Bangkok Clay Using Jet Grouted Cement Mixing Piles ». Dans Developments in Geotechnical Engineering, 57–79. Singapore : Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-3322-6_6.

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Bergado, D. T., P. V. Long, C. H. Lee, K. H. Loke et G. Werner. « Performance of reinforced embankment on soft Bangkok clay with high strength geotextile reinforcement ». Dans Developments in Geotechnical Engineering, 575–82. London : CRC Press, 2021. http://dx.doi.org/10.1201/9781003211013-54.

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Teparaksa, Wanchai. « Prediction of movement and behavior of sheet pile wall for deep braced cut excavation in soft Bangkok clay ». Dans Developments in Geotechnical Engineering, 517–24. London : CRC Press, 2021. http://dx.doi.org/10.1201/9781003211013-47.

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Saowapakpiboon, J., D. T. Bergado, J. C. Chai, N. Kovittayanon et T. P. de Zwart. « Vacuum-PVD Combination with Embankment Loading Consolidation in Soft Bangkok Clay : A Case Study of the Suvarnabhumi Airport Project ». Dans Geosynthetics in Civil and Environmental Engineering, 440–49. Berlin, Heidelberg : Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-69313-0_83.

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Piriyakul, K., et S. Pochalard. « Using Shear Wave Velocity to Determine the Cementation Effect of Soft Bangkok Clay Mixed with Cement and Fly Ash ». Dans Springer Series in Geomechanics and Geoengineering, 311–16. Berlin, Heidelberg : Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-32492-5_40.

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Wolf, Stewart, John G. Bruhn, Brenda P. Egolf, Judith Lasker, Billy U. Philips et Remsen Wolff. « Mortality in Roseto and Adjacent Bangor, 1935–1985 ». Dans The Power of Clan, 61–77. New York : Routledge, 2021. http://dx.doi.org/10.4324/9780429339271-5.

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Rachan, R., et S. Horpibulsuk. « On the classification of Bangkok clay deposits and their compressibility ». Dans Frontiers in Offshore Geotechnics. Taylor & Francis, 2005. http://dx.doi.org/10.1201/noe0415390637.ch130.

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Bergado, Dennes T., et Glen A. Lorenzo. « Chapter 11 A full-scale study on cement deep mixing in soft Bangkok clay ». Dans Ground Improvement — Case Histories, 305–25. Elsevier, 2005. http://dx.doi.org/10.1016/s1571-9960(05)80014-x.

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Hight, D., N. Kovacevic et D. Potts. « A comparison between observed and predicted behaviour of a deep excavation in soft Bangkok clay ». Dans Deformation Characteristics of Geomaterials / Comportement Des Sols Et Des Roches Tendres. Taylor & Francis, 2003. http://dx.doi.org/10.1201/noe9058096043.ch124.

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Actes de conférences sur le sujet "Bangkok Clay"

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Abuel-Naga, Hossam M., Dennes T. Bergado et Abdelmalek Bouazza. « Thermal Conductivity of Soft Bangkok Clay ». Dans GeoCongress 2008. Reston, VA : American Society of Civil Engineers, 2008. http://dx.doi.org/10.1061/40972(311)133.

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Giao, P. H., et D. H. Hien. « Shallow Exploration of Bangkok Clay Using Multiple Square Arrays ». Dans The 11th International Symposium on Recent Advances in Exploration Geophysics (RAEG 2007). European Association of Geoscientists & Engineers, 2007. http://dx.doi.org/10.3997/2352-8265.20140094.

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Makararotrit, Watthana, Sompote Youwai et Patchara Rodpol. « Deformation Characteristics of Cement Treated Pasak Clay and Bangkok Clay with Different Stress Path ». Dans The 4th World Congress on Civil, Structural, and Environmental Engineering. Avestia Publishing, 2019. http://dx.doi.org/10.11159/icgre19.192.

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Saowapakpiboon, J., D. T. Bergado, S. Artidteang, S. T. Montalbo et N. Teerachaikulpanich. « PVD Enhancement with Vacuum Pressure for Soft Bangkok Clay Improvement ». Dans International Symposium on Ground Improvement Technologies and Case Histories. Singapore : Research Publishing Services, 2009. http://dx.doi.org/10.3850/gi192.

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Chaosittichai, Gong, et Pongpipat Anantanasakul. « Full-Scale Lateral Load Tests of Driven Piles in Bangkok Clay ». Dans IFCEE 2018. Reston, VA : American Society of Civil Engineers, 2018. http://dx.doi.org/10.1061/9780784481578.032.

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Pokpong, Sathaporn. « Nonlinear Response of Passively Loaded Piles Founded in Soft Bangkok Clay ». Dans GeoHunan International Conference 2009. Reston, VA : American Society of Civil Engineers, 2009. http://dx.doi.org/10.1061/41044(351)19.

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Kim, Van Nei, et Pham Huy Giao. « Experimental determination of the electroosmotic conductivity of Bangkok marine soft clay ». Dans The 14th SEGJ International Symposium, Online, 18–21 October 2021. Society of Exploration Geophysicists and Society of Exploration Geophysicists of Japan, 2021. http://dx.doi.org/10.1190/segj2021-050.1.

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Trani, Laricar Dominic O., Dennes T. Bergado et Hossam M. Abuel-Naga. « Thermal Effects on Undrained Shear Strength of Normally Consolidated Soft Bangkok Clay ». Dans GeoCongress 2008. Reston, VA : American Society of Civil Engineers, 2008. http://dx.doi.org/10.1061/40972(311)134.

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Sangprasat, K., R. Onsibut, P. Barbier, F. Levitre, B. Amante et P. H. Giao. « Determination of Shallow Ground Water Table in the Bangkok Clay using Seismic Refraction ». Dans 3rd Asia Pacific Meeting on Near Surface Geoscience & Engineering. European Association of Geoscientists & Engineers, 2020. http://dx.doi.org/10.3997/2214-4609.202071093.

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Rujikiatkamjorn, Cholachat, Buddhima Indraratna et Dennes T. Bergado. « 3D Numerical Modeling of Hexagonal Wire Mesh Reinforced Embankment on Soft Bangkok Clay ». Dans GeoCongress 2012. Reston, VA : American Society of Civil Engineers, 2012. http://dx.doi.org/10.1061/9780784412121.232.

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