Fractal evolution characteristics of fracture meso-damage in uniaxial compression rock masses using bonded block model

Fractal evolution characteristics of fracture meso-damage in uniaxial compression rock masses using bonded block 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 Article Fractal evolution characteristics of fracture meso-damage in uniaxial compression rock masses using bonded block model Ming Lan, Yan He, Chunlong Wang, Xingquan Liu, Guoqing Ren, Shuwen Zhang This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4244642/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 03 Aug, 2024 Read the published version in Scientific Reports → Version 1 posted 10 You are reading this latest preprint version Abstract In the realm of underground mining engineering, an investigation into the failure mode of deep fractured rock masses and their corresponding acoustic emission signal characteristics is conducted via uniaxial compression tests. Subsequently, a fractal damage renormalization group mechanical model is formulated to elucidate the behavior of such fractured rock masses. Employing the BBM numerical simulation method, the fracture process of synthetic rock samples is analyzed, thereby confirming the efficacy of the aforementioned mechanical model. The numerical simulations underscore that the expansion of fractures fundamentally underpins the deterioration of rock mass strength. A decrease in peak load correlates with an increase in fracture fractal dimension, resulting in a 14.2% reduction in compressive strength alongside an approximate 8.7% rise in average fracture fractal dimension. Comparison between tetrahedral and Voronoi block synthetic rock samples reveals the former's superior aptitude in depicting the fracture behavior of fractured rock masses, particularly in terms of simulating acoustic emission characteristics and failure modes. Moreover, the variation in fracture fractal dimension with the hole defect's position is observed, with its maximum value aligning with the vertical hole defect axis. This observation underscores the potential utility of visually monitoring deep rock fracture dynamics as a foundational element for quantitatively evaluating fracture damage and strength degradation in deep rock formations. Physical sciences/Engineering/Civil engineering Physical sciences/Mathematics and computing/Software Physical sciences/Engineering/Mechanical engineering Fractured rock mass uniaxial compression fractal dimension mesoscopic damage mechanical properties Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Published Journal Publication published 03 Aug, 2024 Read the published version in Scientific Reports → Version 1 posted Editorial decision: Revision requested 25 Jun, 2024 Reviews received at journal 16 May, 2024 Reviews received at journal 27 Apr, 2024 Reviewers agreed at journal 23 Apr, 2024 Reviewers agreed at journal 21 Apr, 2024 Reviewers invited by journal 21 Apr, 2024 Editor assigned by journal 21 Apr, 2024 Editor invited by journal 18 Apr, 2024 Submission checks completed at journal 16 Apr, 2024 First submitted to journal 09 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-4244642","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":292870024,"identity":"bb2077d2-0dfe-4ccf-a4bb-73751ca585dc","order_by":0,"name":"Ming Lan","email":"","orcid":"","institution":"Deep Mining Laboratory of Shandong Gold Group Co., Ltd., Deep Mining Laboratory of Shandong Gold Group Co., Ltd.,","correspondingAuthor":false,"prefix":"","firstName":"Ming","middleName":"","lastName":"Lan","suffix":""},{"id":292870025,"identity":"7a1b8d40-e5db-4d66-91f0-7fe04d7c871d","order_by":1,"name":"Yan 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Subsequently, a fractal damage renormalization group mechanical model is formulated to elucidate the behavior of such fractured rock masses. Employing the BBM numerical simulation method, the fracture process of synthetic rock samples is analyzed, thereby confirming the efficacy of the aforementioned mechanical model. The numerical simulations underscore that the expansion of fractures fundamentally underpins the deterioration of rock mass strength. A decrease in peak load correlates with an increase in fracture fractal dimension, resulting in a 14.2% reduction in compressive strength alongside an approximate 8.7% rise in average fracture fractal dimension. Comparison between tetrahedral and Voronoi block synthetic rock samples reveals the former's superior aptitude in depicting the fracture behavior of fractured rock masses, particularly in terms of simulating acoustic emission characteristics and failure modes. Moreover, the variation in fracture fractal dimension with the hole defect's position is observed, with its maximum value aligning with the vertical hole defect axis. This observation underscores the potential utility of visually monitoring deep rock fracture dynamics as a foundational element for quantitatively evaluating fracture damage and strength degradation in deep rock formations.\u003c/p\u003e","manuscriptTitle":"Fractal evolution characteristics of fracture meso-damage in uniaxial compression rock masses using bonded block model","msid":"","msnumber":"","nonDraftVersions":[{"code":1,"date":"2024-04-19 10:05:07","doi":"10.21203/rs.3.rs-4244642/v1","editorialEvents":[{"type":"communityComments","content":0},{"type":"decision","content":"Revision requested","date":"2024-06-25T11:05:16+00:00","index":"","fulltext":""},{"type":"editorInvitedReview","content":"","date":"2024-05-17T00:56:18+00:00","index":"hide","fulltext":""},{"type":"editorInvitedReview","content":"","date":"2024-04-27T17:57:28+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"f047b5f6-67cb-4229-a6b6-0dd8b6b79595","date":"2024-04-23T12:08:49+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"1888b946-3607-4da5-ba82-c813176cf4d7","date":"2024-04-21T21:43:22+00:00","index":"hide","fulltext":""},{"type":"reviewersInvited","content":"","date":"2024-04-21T21:16:30+00:00","index":"","fulltext":""},{"type":"editorAssigned","content":"","date":"2024-04-21T21:12:03+00:00","index":"","fulltext":""},{"type":"editorInvited","content":"","date":"2024-04-18T08:48:05+00:00","index":"","fulltext":""},{"type":"checksComplete","content":"","date":"2024-04-16T10:09:30+00:00","index":"","fulltext":""},{"type":"submitted","content":"Scientific Reports","date":"2024-04-10T02:35:27+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":"7b139aaf-23e3-494e-a61f-8f88e2eecddd","owner":[],"postedDate":"April 19th, 2024","published":true,"recentEditorialEvents":[],"rejectedJournal":[],"revision":"","amendment":"","status":"published-in-journal","subjectAreas":[{"id":30860450,"name":"Physical sciences/Engineering/Civil engineering"},{"id":30860451,"name":"Physical sciences/Mathematics and computing/Software"},{"id":30860452,"name":"Physical sciences/Engineering/Mechanical engineering"}],"tags":[],"updatedAt":"2024-08-05T16:07:00+00:00","versionOfRecord":{"articleIdentity":"rs-4244642","link":"https://doi.org/10.1038/s41598-024-69004-3","journal":{"identity":"scientific-reports","isVorOnly":false,"title":"Scientific Reports"},"publishedOn":"2024-08-03 15:58:09","publishedOnDateReadable":"August 3rd, 2024"},"versionCreatedAt":"2024-04-19 10:05:07","video":"","vorDoi":"10.1038/s41598-024-69004-3","vorDoiUrl":"https://doi.org/10.1038/s41598-024-69004-3","workflowStages":[]},"version":"v1","identity":"rs-4244642","journalConfig":"researchsquare"},"__N_SSP":true},"page":"/article/[identity]/[[...version]]","query":{"redirect":"/article/rs-4244642","identity":"rs-4244642","version":["v1"]},"buildId":"qtupq5eGEP_6zYnWcrvyt","isFallback":false,"isExperimentalCompile":false,"dynamicIds":[84888],"gssp":true,"scriptLoader":[]}