Effectiveness and reversibility test of electrochemical modification of mudstone hydro-mechanical parameters

Effectiveness and reversibility test of electrochemical modification of mudstone hydro-mechanical parameters | 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 Effectiveness and reversibility test of electrochemical modification of mudstone hydro-mechanical parameters Liu Han, Huamin Chang, Dan Wang, Xiangchen Chen, Tianao Gong, and 3 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4708887/v2 This work is licensed under a CC BY 4.0 License Status: Posted Version 2 posted You are reading this latest preprint version Show more versions Abstract To study the modification effect of the hydromechanical parameters of mudstone after electrochemical modification and the reversibility of this modification, AlCl 3 solution and Fe were selected as the electrolyte and electrode materials for the electrochemical modification test. The shear strength of the mudstone specimens was used as an evaluation index to evaluate the effect of electrochemical modification. The results of the electrochemical modification test of mudstone, using the controlled variable method, showed that the shear strength of the modified mudstone increased by about 1.4 times compared to the unmodified mudstone when a 20% AlCl 3 solution and Fe electrode were used. The saturated water content of the modified mudstone, after re-absorption of water, was significantly reduced. The saturated water content of the specimens in the anode and cathode groups of the Fe electrode were 23.2% and 18.2%, respectively. The liquid limit water content after modification was 32.489%, which was lower than the 35.266% of unmodified mudstone, while the plastic limit water content increased from 20.728% to 22.697%. The water absorption rate of the modified mudstone specimens decreased significantly, with an average water absorption rate of 0.13 g/h, compared to 0.19 g/h for the unmodified mudstone. Through electrochemical modification, the mechanical strength of the mudstone was significantly improved, and its hydrophilicity and water absorption capacity were significantly reduced. The mudstone also exhibited an obvious strain softening feature after re-absorption but still showed a certain enhancement compared to the as-reinstated soil. This indicates that the electrochemically modified soil has a certain degree of reversibility after softening again upon contact with water. Electrochemical modification mudstone shear strength hydrophilicity water absorption rate reversibility Full Text Additional Declarations The authors declare no competing interests. Cite Share Download PDF Status: Posted Version 2 posted You are reading this latest preprint version Show more versions 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-4708887","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":336322494,"identity":"794198d6-f555-4a81-984a-badfca01180d","order_by":0,"name":"Liu Han","email":"","orcid":"","institution":"China University of Mining and Technology","correspondingAuthor":false,"prefix":"","firstName":"Liu","middleName":"","lastName":"Han","suffix":""},{"id":336322495,"identity":"de194c7d-3f82-4397-a9f8-613cb91f8814","order_by":1,"name":"Huamin Chang","email":"","orcid":"","institution":"Yunnan Xianfeng Coal Industry Development Co., 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interests.","formattedTitle":"Effectiveness and reversibility test of electrochemical modification of mudstone hydro-mechanical parameters","fulltext":[],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":true,"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":"Electrochemical modification, mudstone, shear strength, hydrophilicity, water absorption rate, reversibility","lastPublishedDoi":"10.21203/rs.3.rs-4708887/v2","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-4708887/v2","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eTo study the modification effect of the hydromechanical parameters of mudstone after electrochemical modification and the reversibility of this modification, AlCl\u003csub\u003e3\u003c/sub\u003e solution and Fe were selected as the electrolyte and electrode materials for the electrochemical modification test. The shear strength of the mudstone specimens was used as an evaluation index to evaluate the effect of electrochemical modification. The results of the electrochemical modification test of mudstone, using the controlled variable method, showed that the shear strength of the modified mudstone increased by about 1.4 times compared to the unmodified mudstone when a 20% AlCl\u003csub\u003e3\u003c/sub\u003e solution and Fe electrode were used. The saturated water content of the modified mudstone, after re-absorption of water, was significantly reduced. The saturated water content of the specimens in the anode and cathode groups of the Fe electrode were 23.2% and 18.2%, respectively. The liquid limit water content after modification was 32.489%, which was lower than the 35.266% of unmodified mudstone, while the plastic limit water content increased from 20.728% to 22.697%. The water absorption rate of the modified mudstone specimens decreased significantly, with an average water absorption rate of 0.13 g/h, compared to 0.19 g/h for the unmodified mudstone. Through electrochemical modification, the mechanical strength of the mudstone was significantly improved, and its hydrophilicity and water absorption capacity were significantly reduced. The mudstone also exhibited an obvious strain softening feature after re-absorption but still showed a certain enhancement compared to the as-reinstated soil. This indicates that the electrochemically modified soil has a certain degree of reversibility after softening again upon contact with water.\u003c/p\u003e","manuscriptTitle":"Effectiveness and reversibility test of electrochemical modification of mudstone hydro-mechanical parameters","msid":"","msnumber":"","nonDraftVersions":[{"code":2,"date":"2025-07-15 18:10:50","doi":"10.21203/rs.3.rs-4708887/v2","editorialEvents":[{"type":"communityComments","content":0}],"status":"published","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}},{"code":1,"date":"2024-08-05 18:08:06","doi":"10.21203/rs.3.rs-4708887/v1","editorialEvents":[{"type":"communityComments","content":0}],"status":"published","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}}],"origin":"","ownerIdentity":"0f61aaff-9d05-41cc-b352-213deed38415","owner":[],"postedDate":"July 15th, 2025","published":true,"recentEditorialEvents":[],"rejectedJournal":[],"revision":"","amendment":"","status":"posted","subjectAreas":[],"tags":[],"updatedAt":"2024-09-08T15:16:24+00:00","versionOfRecord":[],"versionCreatedAt":"2025-07-15 18:10:50","video":"","vorDoi":"","vorDoiUrl":"","workflowStages":[]},"version":"v2","identity":"rs-4708887","journalConfig":"researchsquare"},"__N_SSP":true},"page":"/article/[identity]/[[...version]]","query":{"redirect":"/article/rs-4708887","identity":"rs-4708887","version":["v2"]},"buildId":"8U1c8b4HqxoKbykW_rLl7","isFallback":false,"isExperimentalCompile":false,"dynamicIds":[84888],"gssp":true,"scriptLoader":[]}