Shear rheological behavior of clay: direct simple shear test and equivalent timeline concept-based model

Shear rheological behavior of clay: direct simple shear test and equivalent timeline concept-based model | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Shear rheological behavior of clay: direct simple shear test and equivalent timeline concept-based model Chen Ge, Zhu Jungao, Ma Fulong, Luo Qixun, Shen Zhiwen, Wang tao This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-3958647/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract Studying the shear rheological properties of clay is crucial for evaluating slope stability and preventing excessive displacement of roadbeds and retaining walls. In this study, a series of direct simple shear tests were conducted by a novel apparatus to investigate the shear rheological behavior of clay in western China. Test results reveal that both the shear strain-time curve and shear stress-strain curve can be well described by power functions, and the power of shear strain-time curve is independent of the shear stress level. Based on this finding, an empirical shear rheological equation under constant shear stress is built. By assuming the shear stress-strain curves as a series of parallel lines in a double logarithmic coordinate axis, shear equivalent timelines are proposed based on Yin Graham's equivalent timeline theory. The shear equivalent time is then introduced into the proposed empirical shear rheological equation, thereby an equivalent timeline shear rheological model considering the effect of consolidation pressure under varying shear stresses is derived. The shear rheological strains predicted by the model are shown to agree well with test data before clay failure. direct simple shear test shear deformation clay shear rheological model equivalent timeline theory Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-3958647","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":273682661,"identity":"571b036d-880d-4b05-af2c-267804daeee3","order_by":0,"name":"Chen Ge","email":"","orcid":"","institution":"Hohai University","correspondingAuthor":false,"prefix":"","firstName":"Chen","middleName":"","lastName":"Ge","suffix":""},{"id":273682662,"identity":"b57a01c4-c954-45a7-b31e-94a3d01c6264","order_by":1,"name":"Zhu Jungao","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA4ElEQVRIiWNgGAWjYDACCQYGAzCDvYcNRDE2EK+F5wwJWqCMHCK1yM/uMSjm3VErzy/59thjHgYb2Q0HmJ89wKeFcc4ZA2PeM8cNZ87OSzfmYUgz3nCAzdwAnxZmiRyglrZjjBtu55hJ8zAcTtxwgIdNAp8WNqgW+w03z4C0/CeshQeipSZxww0ekJYDhLVISKQVGM5tO5A8syfHTHKOQbLxzMNsZni1yM9I3mbwtq3Otp/9jJnEmwo72b7jzc/wagF5Bxg+h6FsUFAxE1APUvKAgaGOsLJRMApGwSgYuQAA/8dCM/QiYFEAAAAASUVORK5CYII=","orcid":"","institution":"Hohai University","correspondingAuthor":true,"prefix":"","firstName":"Zhu","middleName":"","lastName":"Jungao","suffix":""},{"id":273682663,"identity":"83b40fef-2cdb-4dbc-9c90-5f68338f1310","order_by":2,"name":"Ma Fulong","email":"","orcid":"","institution":"Chengdu Engineering Corporation Limited, Power China","correspondingAuthor":false,"prefix":"","firstName":"Ma","middleName":"","lastName":"Fulong","suffix":""},{"id":273682664,"identity":"5e7e6af4-ae07-46b2-8ae1-ec65b041c9f9","order_by":3,"name":"Luo Qixun","email":"","orcid":"","institution":"Chengdu Engineering Corporation Limited, Power China","correspondingAuthor":false,"prefix":"","firstName":"Luo","middleName":"","lastName":"Qixun","suffix":""},{"id":273682665,"identity":"5fb29c87-6ec1-4c1d-8581-195f06911bb7","order_by":4,"name":"Shen Zhiwen","email":"","orcid":"","institution":"Chengdu Engineering Corporation Limited, Power China","correspondingAuthor":false,"prefix":"","firstName":"Shen","middleName":"","lastName":"Zhiwen","suffix":""},{"id":273682666,"identity":"be6ad174-16fa-44d6-9de8-db03d083614f","order_by":5,"name":"Wang tao","email":"","orcid":"","institution":"Nanjing University","correspondingAuthor":false,"prefix":"","firstName":"Wang","middleName":"","lastName":"tao","suffix":""}],"badges":[],"createdAt":"2024-02-15 12:30:58","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-3958647/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-3958647/v1","draftVersion":[],"editorialEvents":[],"editorialNote":"","failedWorkflow":false,"files":[{"id":55996988,"identity":"f0731859-0e71-4fc9-8591-aa4f214d66b5","added_by":"auto","created_at":"2024-05-07 10:44:49","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":765533,"visible":true,"origin":"","legend":"","description":"","filename":"Manuscript.pdf","url":"https://assets-eu.researchsquare.com/files/rs-3958647/v1_covered_736a6980-d53a-4bf7-aebe-4ec98bac1186.pdf"}],"financialInterests":"No competing interests reported.","formattedTitle":"Shear rheological behavior of clay: direct simple shear test and equivalent timeline concept-based model","fulltext":[],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":false,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":true,"highlight":"","institution":"","isAcceptedByJournal":false,"isAuthorSuppliedPdf":true,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":true,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"researchsquare","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":true,"externalIdentity":"","sideBox":"","snPcode":"","submissionUrl":"/submission","title":"Research Square","twitterHandle":"researchsquare","acdcEnabled":true,"dfaEnabled":false,"editorialSystem":"","reportingPortfolio":"","inReviewEnabled":false,"inReviewRevisionsEnabled":true},"keywords":"direct simple shear test, shear deformation, clay, shear rheological model, equivalent timeline theory","lastPublishedDoi":"10.21203/rs.3.rs-3958647/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-3958647/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eStudying the shear rheological properties of clay is crucial for evaluating slope stability and preventing excessive displacement of roadbeds and retaining walls. 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