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The proposed formulation uses five parameters, where four parameters can be inferred directly from common test data, while the fifth is a fitting parameter with a limited range. Validation is demonstrated through applications to multiple clay and sand datasets, illustrating practical capability across representative materials and experimental conditions.",{"@graph":63,"@context":118},[64,80,101],{"@type":65,"itemListElement":66},"BreadcrumbList",[67,71,74,77],{"item":68,"name":69,"@type":70,"position":9},"https://docshare.wps.com","Home","ListItem",{"item":72,"name":10,"@type":70,"position":73},"https://docshare.wps.com/template/",2,{"item":75,"name":11,"@type":70,"position":76},"https://docshare.wps.com/template/presentations/",3,{"item":78,"name":59,"@type":70,"position":79},"https://docshare.wps.com/template/nonlinear-analysis-of-stress-and-strain-in-soils-duncan-chang-material-model-overview/280211/",4,{"url":78,"name":59,"@type":81,"image":82,"author":87,"headline":59,"publisher":90,"fileFormat":93,"inLanguage":57,"description":61,"dateModified":94,"datePublished":95,"encodingFormat":93,"isAccessibleForFree":96,"interactionStatistic":97},"DigitalDocument",{"url":83,"@type":84,"width":85,"height":86},"https://docshare.wps.com/thumbnails/nonlinear-analysis-of-stress-and-strain-in-soils-duncan-chang-material-model-overview/280211.png","ImageObject",442,249,{"name":88,"@type":89},"Đào","Person",{"url":68,"name":91,"@type":92},"DocShare","Organization","application/pdf","2026-11-02","2026-09-16",true,{"@type":98,"interactionType":99,"userInteractionCount":8},"InteractionCounter",{"@type":100},"ViewAction",{"@type":102,"mainEntity":103},"FAQPage",[104,110,114],{"name":105,"@type":106,"acceptedAnswer":107},"What is the goal of the proposed stress–strain relation for soils?","Question",{"text":108,"@type":109},"It aims to reproduce the entire stress–strain range from typical soil tests while remaining practical for parameter identification.","Answer",{"name":111,"@type":106,"acceptedAnswer":112},"How many parameters does the new relation use, and how are they obtained?",{"text":113,"@type":109},"The relation uses five parameters: four can be inferred directly from typical test data, and the fifth is a fitting parameter within a relatively narrow range.",{"name":115,"@type":106,"acceptedAnswer":116},"How is the Duncan–Chang material model used to simulate soil behavior?",{"text":117,"@type":109},"The model simulates soil using a hyperbolic stress–strain relation developed from triaxial soil tests, and it can be revised to account for variation in Poisson’s ratio via stress-dependent approaches.","https://schema.org",{"og:url":78,"og:type":120,"og:title":59,"og:site_name":91,"og:description":61},"article",{"robots":122,"canonical":78},"index,follow",{"doc_id":124,"site_id":56},280211,1791748587,{"code":4,"msg":5,"data":127},{"doc_id":124,"user_id":128,"nickname":88,"user_avatar":129,"doc_module":9,"category_id":8,"category_name":11,"doc_title":59,"doc_description":61,"doc_content":130,"file_id":131,"file_url":132,"file_type":133,"file_size":134,"view_count":8,"is_deleted":4,"is_public":9,"is_downloadable":9,"audit_status":9,"page_count":79,"language":135,"language_code":57,"site_id":56,"html_lang":57,"table_of_contents":136,"faqs":137,"seo_title":138,"seo_description":61,"update_tm":139,"read_time":73},1374402968488,"https://ap-avatar.wpscdn.com/davatar_29158cc5080c5b710cf443261637dec0","Nonlinear analysis of stress and strain in soils duncan pdf  \nA new stress–strain relation capable of reproducing the entire stress–strain range of typical soil tests is presented. The new relation involves a total of five parameters, four of which can be inferred directly from typical test data. The fifth parameter is a fitting parameter with a relatively narrow range. The capabilities of the new relation are demonstrated by the application to various clay and sand datasets.Une nouvelle relation contrainte–déformation capable de reproduire toute la gamme de contraintes–déformations des essais de sol typiques est présentée. La nouvelle relation implique un total de cinq paramètres, dont quatre peuvent être déduits directement à partir de données d’essai typiques. Le cinquième paramètre est un paramètre d'ajustement dont la plage est relativement étroite. Les capacités de la nouvelle relation sont démontrées par l’application à divers ensembles de données sur l’argile et le sable. [Traduit par la Rédaction]View all available purchase options and get full access to this article.Benz, T. 2007. Small-strain stiffness of soils and its numerical consequences. Mitteilung 55 des Institut fur Geotechnik, University of Stuttgart, Stuttgart, Germany.Duncan J.M. and Chang C.Y. 1970. Nonlinear analysis of stress and strain in soils. Journal of the Soil Mechanics and Foundations Division, ASCE, 96(5): 1629–1653.Fahey M. and Carter J.P. 1993. A finite element study of the pressuremeter test in sand using a nonlinear elastic plastic model. Canadian Geotechnical Journal, 30(2): 348–362.Gasparre, A. 2005. Advanced laboratory characterisation of London clay. PhD thesis, Imperial College, London, UK.Hardin B.O. and Black W.L. 1968. Vibration modulus of normally consolidated clay. Journal of the Soil Mechanics and Foundations Division, ASCE, 94(2): 353–369.Hardin B.O. and Drnevich V.P. 1972. Shear modulus and damping in soils: Design equations and curves. Journal of the Soil Mechanics and Foundations Division ASCE, 98(6): 603–624.Jardine R.J., Chow F.C., Matsumoto T., and Lehane B.M. 1998. A new design procedure for driven pilesand its application to two Japanese clays. Soils and Foundations, 38(1): 207–219.Kondner A.M. 1963. Hyperbolic stress-strain response: cohesive soils. Journal of the Soil Mechanics and Foundations Division, ASCE, 89(1): 115–143.Mayne, P.W. 2007. In-situ test calibrations for evaluating soil parameters. In Characterisation and engineering properties of natural soils. Taylor & Francis Group, London, UK. pp. 1601–1652.Mayne P.W. 2020. Personal communication. 25 November.Oztoprak S. and Bolton M.D. 2013. Stiffness of sands through a laboratory test database. Géotechnique, 63(1): 54–70.Puzrin A.M. and Burland J.B. 1996. A logarithmic stress-strain function for rocks and soils. Géotechnique, 46(1): 157–164. Santos, J.A.D., and Correia, A.G. 2001. Reference threshold shear strain of soil. In Proceedings of the 15th International Conference on Soil Mechanics and Foundation Engineering, Istanbul, 27–31 August 2001. Vol. 1. pp. 267–270. Schanz, T., Vermeer, P.A., and Bonnier P.G. 1999. The hardening soil model: formulation and verification. In Beyond 2000 in computational geotechnics. Balkema, Rotterdam. ISBN 90 5809 040 X.Vardanega P.J. and Bolton M.D. 2011. Strength mobilization in clays and silts. Canadian Geotechnical Journal, 48(10): 1485–1503.Vardanega P.J. and Bolton M.D. 2013. Stiffness of clays and silts: normalizing shear modulus and shear strain. Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 139: 1575–1589.Wichtmann T. and Triantafyllidis T. 2016a. An experimental data base for the development, calibration and verification of constitutive models for sand with focus to cyclic loading. Part I: tests with monotonic loading and stress cycles. Acta Geotechnica, 11(4): 739– 761.Wichtmann T. and Triantafyllidis T. 2016b. An experimental data base for the development, calibration and verification of constitutive ","cbCaigslGmuzZu49","https://ap.wps.com/l/cbCaigslGmuzZu49","pdf",63946,"English","# Nonlinear stress–strain analysis in soils\n## Proposed five-parameter stress–strain relation\n## Parameter inference from typical test data\n## Applications to clay and sand datasets\n## Duncan–Chang material model and hyperbolic formulation","[{\"question\":\"What is the goal of the proposed stress–strain relation for soils?\",\"answer\":\"It aims to reproduce the entire stress–strain range from typical soil tests while remaining practical for parameter identification.\"},{\"question\":\"How many parameters does the new relation use, and how are they obtained?\",\"answer\":\"The relation uses five parameters: four can be inferred directly from typical test data, and the fifth is a fitting parameter within a relatively narrow range.\"},{\"question\":\"How is the Duncan–Chang material model used to simulate soil behavior?\",\"answer\":\"The model simulates soil using a hyperbolic stress–strain relation developed from triaxial soil tests, and it can be revised to account for variation in Poisson’s ratio via stress-dependent approaches.\"}]","Nonlinear Analysis of Stress and Strain in Soils - Duncan-Chang Material Model - Overview | PDF",1789535104]