Experimental research on damage characteristics of red sandstone under the combined action of temperature, water and stress

Experimental research on damage characteristics of red sandstone under the combined action of temperature, water and stress | 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 research on damage characteristics of red sandstone under the combined action of temperature, water and stress Xiankai Bao, Jianlong Qiao, Chaoyun Yu, Baolong Tian, Lingyu Wang, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4497893/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 23 Jul, 2024 Read the published version in Scientific Reports → Version 1 posted 10 You are reading this latest preprint version Abstract In order to study the damage properties of red sandstone under combined action of temperature, water and stress, the uniaxial compression test was carried out for red sandstone after immersing in water for 0.5 hours, 1 hour and 3 hours at 25℃, 55℃, 85℃ and 95℃, the mechanical properties, characteristic stress points, acoustic emission RA-AF parameters and failure forms of red sandstone were analyzed, the damage constitutive equation was established, and the damage properties of red sandstone were studied. The results showed: (1) Temperature could significantly improve the saturated water content percentage of red sandstone. With the increase of temperature, the saturated water content percentage showed a trend of increase first and then decrease, and was the largest at 55℃; with the increase of temperature, the mechanical parameters (peak intensity, elasticity modulus, and stress at start point of expansion) decreased first and then increased, and was the smallest at 55℃; (2) The ratio of crack initiation stress to peak stress (σ ci /σ f ) increased first and then decreased at the same time of immersing in water as temperature increased, and decreased first and then increased as the time of immersing in water increased at the same temperature; (3) Acoustic emission RA-AF signals are primarily found in the stable and unstable crack extension stages, with most signals concentrated in the tensile areas. As immersion time increases, there is a gradual decrease in the total number of signals, while the proportion of signals in the shearing areas significantly increases. This is relatively consistent with the patterns of failure observed in red sandstone experiments; (4) The damage of temperature, water and stress on red sandstone is categorized into initial damage and load damage, and the damage constitutive equation of red sandstone under the joint action of temperature-water-load is established, which is applicable to red sandstone in water-saturated state below 100℃, The research results can provide certain theoretical references for practical engineering. Physical sciences/Engineering/Civil engineering Physical sciences/Energy science and technology damage characteristics mechanical parameters RA-AF parameters damage morphology constitutive equation Full Text Additional Declarations No competing interests reported. Supplementary Files data.zip Cite Share Download PDF Status: Published Journal Publication published 23 Jul, 2024 Read the published version in Scientific Reports → Version 1 posted Editorial decision: Revision requested 25 Jun, 2024 Reviews received at journal 17 Jun, 2024 Reviews received at journal 16 Jun, 2024 Reviewers agreed at journal 13 Jun, 2024 Reviewers agreed at journal 13 Jun, 2024 Reviewers invited by journal 13 Jun, 2024 Editor assigned by journal 13 Jun, 2024 Editor invited by journal 31 May, 2024 Submission checks completed at journal 31 May, 2024 First submitted to journal 29 May, 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-4497893","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":312748369,"identity":"c8dd1f41-dad1-43ce-9179-7fe889c6da1d","order_by":0,"name":"Xiankai Bao","email":"","orcid":"","institution":"Inner Mongolia University of Science and Technology","correspondingAuthor":false,"prefix":"","firstName":"Xiankai","middleName":"","lastName":"Bao","suffix":""},{"id":312748370,"identity":"556993b3-7c2c-4f11-951b-6ef8cb3f968e","order_by":1,"name":"Jianlong 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The results showed: (1) Temperature could significantly improve the saturated water content percentage of red sandstone. With the increase of temperature, the saturated water content percentage showed a trend of increase first and then decrease, and was the largest at 55℃; with the increase of temperature, the mechanical parameters (peak intensity, elasticity modulus, and stress at start point of expansion) decreased first and then increased, and was the smallest at 55℃; (2) The ratio of crack initiation stress to peak stress (σ\u003csub\u003eci\u003c/sub\u003e/σ\u003csub\u003ef\u003c/sub\u003e) increased first and then decreased at the same time of immersing in water as temperature increased, and decreased first and then increased as the time of immersing in water increased at the same temperature; (3) Acoustic emission RA-AF signals are primarily found in the stable and unstable crack extension stages, with most signals concentrated in the tensile areas. As immersion time increases, there is a gradual decrease in the total number of signals, while the proportion of signals in the shearing areas significantly increases. This is relatively consistent with the patterns of failure observed in red sandstone experiments; (4) The damage of temperature, water and stress on red sandstone is categorized into initial damage and load damage, and the damage constitutive equation of red sandstone under the joint action of temperature-water-load is established, which is applicable to red sandstone in water-saturated state below 100℃, The research results can provide certain theoretical references for practical engineering.\u003c/p\u003e","manuscriptTitle":"Experimental research on damage characteristics of red sandstone under the combined action of temperature, water and stress","msid":"","msnumber":"","nonDraftVersions":[{"code":1,"date":"2024-06-13 03:23:17","doi":"10.21203/rs.3.rs-4497893/v1","editorialEvents":[{"type":"communityComments","content":0},{"type":"decision","content":"Revision requested","date":"2024-06-25T13:57:22+00:00","index":"","fulltext":""},{"type":"editorInvitedReview","content":"","date":"2024-06-18T03:06:45+00:00","index":"hide","fulltext":""},{"type":"editorInvitedReview","content":"","date":"2024-06-16T15:30:15+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"208332095358069272540651761435714870343","date":"2024-06-13T22:42:25+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"197779377335093023610523496035565543074","date":"2024-06-13T19:11:32+00:00","index":"hide","fulltext":""},{"type":"reviewersInvited","content":"","date":"2024-06-13T18:14:01+00:00","index":"","fulltext":""},{"type":"editorAssigned","content":"","date":"2024-06-13T17:30:06+00:00","index":"","fulltext":""},{"type":"editorInvited","content":"","date":"2024-05-31T09:56:48+00:00","index":"","fulltext":""},{"type":"checksComplete","content":"","date":"2024-05-31T09:53:49+00:00","index":"","fulltext":""},{"type":"submitted","content":"Scientific Reports","date":"2024-05-29T14:52:18+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":"ac6c2761-4540-4cad-8b41-235aacb27f5d","owner":[],"postedDate":"June 13th, 2024","published":true,"recentEditorialEvents":[],"rejectedJournal":[],"revision":"","amendment":"","status":"published-in-journal","subjectAreas":[{"id":33060563,"name":"Physical sciences/Engineering/Civil engineering"},{"id":33060564,"name":"Physical sciences/Energy science and technology"}],"tags":[],"updatedAt":"2024-08-01T17:10:59+00:00","versionOfRecord":{"articleIdentity":"rs-4497893","link":"https://doi.org/10.1038/s41598-024-67833-w","journal":{"identity":"scientific-reports","isVorOnly":false,"title":"Scientific Reports"},"publishedOn":"2024-07-23 16:16:07","publishedOnDateReadable":"July 23rd, 2024"},"versionCreatedAt":"2024-06-13 03:23:17","video":"","vorDoi":"10.1038/s41598-024-67833-w","vorDoiUrl":"https://doi.org/10.1038/s41598-024-67833-w","workflowStages":[]},"version":"v1","identity":"rs-4497893","journalConfig":"researchsquare"},"__N_SSP":true},"page":"/article/[identity]/[[...version]]","query":{"redirect":"/article/rs-4497893","identity":"rs-4497893","version":["v1"]},"buildId":"qtupq5eGEP_6zYnWcrvyt","isFallback":false,"isExperimentalCompile":false,"dynamicIds":[84888],"gssp":true,"scriptLoader":[]}