Experimental investigation on the macro- and micromechanical properties of water-cooled granite at different high temperatures

Experimental investigation on the macro- and micromechanical properties of water-cooled granite at different high temperatures | 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 Article Experimental investigation on the macro- and micromechanical properties of water-cooled granite at different high temperatures Tianzuo Wang, Jisha Wang, Xin Zhang, Peifeng Cheng, Fei Xue, Mengya Xue, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4234937/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 25 Jul, 2024 Read the published version in Scientific Reports → Version 1 posted 11 You are reading this latest preprint version Abstract To investigate the influence of high-temperature and water-cooling treatments on the macro and micro-mechanical properties of granite, uniaxial compression tests were conducted on the treated samples using the MTS815.04 testing system. Simultaneously, acoustic emission signals were collected, and micro-mechanical experiments were performed using a nanoindenter for further analysis. The results revealed that ( 1 ) with increasing temperature, the peak strength and elastic modulus of granite decreased, leading to a deterioration in mechanical properties, with a pronounced degradation trend observed after 400–500 ℃. ( 2 ) The ringing count of acoustic emission exhibited a similar trend over time within the range of 25–400 ℃, with an increasing proportion of active period I and a decreasing quiet period. The quiet period disappeared at 500 ℃, indicating a significant increase in the influence of high temperature and rapid cooling on internal rock damage beyond 500 ℃. ( 3 ) When the temperature is below 500 ℃, the slow decline in the macroscopic mechanical properties of granite is attributed to the differences in the thermophysical properties and content of minerals. However, the rapid decline in the microscopic mechanical properties of the minerals and the generation and propagation of microcracks may be the primary factors contributing to the deterioration of the macroscopic mechanical properties of granite above 500 ℃. ( 4 ) The water-cooled granite's uniaxial damage mode changed from tensile damage to tensile‒shear composite damage at 400 ℃ and finally to shear damage at 800 ℃. Earth and environmental sciences/Solid earth sciences/Petrology Physical sciences/Engineering/Civil engineering High temperature granite Water cooling Mechanical properties Nanoindentation Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Published Journal Publication published 25 Jul, 2024 Read the published version in Scientific Reports → Version 1 posted Editorial decision: Revision requested 12 Jul, 2024 Reviews received at journal 11 Jul, 2024 Reviewers agreed at journal 09 Jul, 2024 Reviewers agreed at journal 11 Jun, 2024 Reviews received at journal 28 May, 2024 Reviewers agreed at journal 24 May, 2024 Reviewers invited by journal 23 May, 2024 Editor assigned by journal 18 May, 2024 Editor invited by journal 29 Apr, 2024 Submission checks completed at journal 13 Apr, 2024 First submitted to journal 08 Apr, 2024 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. 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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-4234937","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":290811487,"identity":"8e4a3b39-4a36-46a5-94a3-34ae75c8c147","order_by":0,"name":"Tianzuo Wang","email":"","orcid":"","institution":"Shaoxing University","correspondingAuthor":false,"prefix":"","firstName":"Tianzuo","middleName":"","lastName":"Wang","suffix":""},{"id":290811488,"identity":"4addd257-250c-4be0-b565-82faba4b9a46","order_by":1,"name":"Jisha Wang","email":"","orcid":"","institution":"Shaoxing 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Water cooling, Mechanical properties, Nanoindentation","lastPublishedDoi":"10.21203/rs.3.rs-4234937/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-4234937/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eTo investigate the influence of high-temperature and water-cooling treatments on the macro and micro-mechanical properties of granite, uniaxial compression tests were conducted on the treated samples using the MTS815.04 testing system. Simultaneously, acoustic emission signals were collected, and micro-mechanical experiments were performed using a nanoindenter for further analysis. The results revealed that (\u003cspan citationid=\"CR1\" class=\"CitationRef\"\u003e1\u003c/span\u003e) with increasing temperature, the peak strength and elastic modulus of granite decreased, leading to a deterioration in mechanical properties, with a pronounced degradation trend observed after 400\u0026ndash;500 ℃. (\u003cspan citationid=\"CR2\" class=\"CitationRef\"\u003e2\u003c/span\u003e) The ringing count of acoustic emission exhibited a similar trend over time within the range of 25\u0026ndash;400 ℃, with an increasing proportion of active period I and a decreasing quiet period. The quiet period disappeared at 500 ℃, indicating a significant increase in the influence of high temperature and rapid cooling on internal rock damage beyond 500 ℃. (\u003cspan citationid=\"CR3\" class=\"CitationRef\"\u003e3\u003c/span\u003e) When the temperature is below 500 ℃, the slow decline in the macroscopic mechanical properties of granite is attributed to the differences in the thermophysical properties and content of minerals. However, the rapid decline in the microscopic mechanical properties of the minerals and the generation and propagation of microcracks may be the primary factors contributing to the deterioration of the macroscopic mechanical properties of granite above 500 ℃. (\u003cspan citationid=\"CR4\" class=\"CitationRef\"\u003e4\u003c/span\u003e) The water-cooled granite's uniaxial damage mode changed from tensile damage to tensile‒shear composite damage at 400 ℃ and finally to shear damage at 800 ℃.\u003c/p\u003e","manuscriptTitle":"Experimental investigation on the macro- and micromechanical properties of water-cooled granite at different high temperatures","msid":"","msnumber":"","nonDraftVersions":[{"code":1,"date":"2024-04-17 06:35:24","doi":"10.21203/rs.3.rs-4234937/v1","editorialEvents":[{"type":"communityComments","content":0},{"type":"decision","content":"Revision requested","date":"2024-07-12T05:07:52+00:00","index":"","fulltext":""},{"type":"editorInvitedReview","content":"","date":"2024-07-11T06:19:33+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"99308361863117016221403544401498138738","date":"2024-07-09T16:18:48+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"255681779970551775609900545607840413283","date":"2024-06-11T17:07:20+00:00","index":"hide","fulltext":""},{"type":"editorInvitedReview","content":"","date":"2024-05-28T15:51:53+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"55378883779872860800332217659939209716","date":"2024-05-24T04:30:30+00:00","index":"hide","fulltext":""},{"type":"reviewersInvited","content":"","date":"2024-05-24T03:41:18+00:00","index":"","fulltext":""},{"type":"editorAssigned","content":"","date":"2024-05-19T01:07:12+00:00","index":"","fulltext":""},{"type":"editorInvited","content":"","date":"2024-04-29T09:51:55+00:00","index":"","fulltext":""},{"type":"checksComplete","content":"","date":"2024-04-13T12:46:13+00:00","index":"","fulltext":""},{"type":"submitted","content":"Scientific Reports","date":"2024-04-08T08:11:29+00:00","index":"","fulltext":""}],"status":"published","journal":{"display":true,"email":"[email protected]","identity":"scientific-reports","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"scirep","sideBox":"Learn more about [Scientific Reports](http://www.nature.com/srep/)","snPcode":"","submissionUrl":"","title":"Scientific Reports","twitterHandle":"","acdcEnabled":true,"dfaEnabled":true,"editorialSystem":"stoa","reportingPortfolio":"Scientific Reports","inReviewEnabled":true,"inReviewRevisionsEnabled":true}}],"origin":"","ownerIdentity":"ea8fa334-cc9b-46f3-a923-0b110038f208","owner":[],"postedDate":"April 17th, 2024","published":true,"recentEditorialEvents":[],"rejectedJournal":[],"revision":"","amendment":"","status":"published-in-journal","subjectAreas":[{"id":30636434,"name":"Earth and environmental sciences/Solid earth sciences/Petrology"},{"id":30636435,"name":"Physical sciences/Engineering/Civil engineering"}],"tags":[],"updatedAt":"2024-07-27T00:36:16+00:00","versionOfRecord":{"articleIdentity":"rs-4234937","link":"https://doi.org/10.1038/s41598-024-68388-6","journal":{"identity":"scientific-reports","isVorOnly":false,"title":"Scientific Reports"},"publishedOn":"2024-07-26 00:36:16","publishedOnDateReadable":"July 26th, 2024"},"versionCreatedAt":"2024-04-17 06:35:24","video":"","vorDoi":"10.1038/s41598-024-68388-6","vorDoiUrl":"https://doi.org/10.1038/s41598-024-68388-6","workflowStages":[]},"version":"v1","identity":"rs-4234937","journalConfig":"researchsquare"},"__N_SSP":true},"page":"/article/[identity]/[[...version]]","query":{"redirect":"/article/rs-4234937","identity":"rs-4234937","version":["v1"]},"buildId":"_2-kVJe1T_tPrBINL-cwx","isFallback":false,"isExperimentalCompile":false,"dynamicIds":[84888],"gssp":true,"scriptLoader":[]}