Cooperative supporting effect of intermediate bridge and inner dump on slope in adjacent open-pit mining area 

Cooperative supporting effect of intermediate bridge and inner dump on slope in adjacent open-pit mining area | 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 Cooperative supporting effect of intermediate bridge and inner dump on slope in adjacent open-pit mining area Dong Wang, Zuchao Liang, Guanghe Li, Yongchao Xv, Jingwei Wang, and 2 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4632779/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 10 Jan, 2026 Read the published version in Scientific Reports → Version 1 posted 13 You are reading this latest preprint version Abstract To solve the problem of dynamic demolition of intermediate bridges, study on the calculation method of slope stability under the synergistic support effect of the intermediate bridge and the inner dump. On the basis of constructing the mechanical model of the intermediate bridge and the inner dump, using Mohr-Coulomb shear strength theory and soil pressure theory, the mathematical expressions of the variation of the supporting effect and the three-dimensional mechanical effect of the internal dump during the demolition of the intermediate bridge are derived, and the quantitative relationship between the dumping height and the demolition length of the intermediate bridge is obtained. Based on the idea of equivalence, a two-dimensional equivalent method for synergistic mechanical effect of inner dump is proposed, the influence of the height of the inner discharge pressure on the equivalent physical and mechanical parameters is revealed theoretically. The method is applied to Zahannaoer open-pit coal mine, the intermediate bridge demolition project was designed in stages and the slope stability of each stage was analyzed and verified. The results can lay a theoretical and application foundation for dynamic demolition design and engineering implementation of intermediate bridge in open-pit coal mine. Earth and environmental sciences/Natural hazards Physical sciences/Engineering split-pit mining demolition of intermediate bridge inner dump three-dimensional mechanical effect slope stability Full Text Additional Declarations No competing interests reported. Supplementary Files Appendix.docx Cite Share Download PDF Status: Published Journal Publication published 10 Jan, 2026 Read the published version in Scientific Reports → Version 1 posted Editorial decision: Revision requested 28 Apr, 2025 Reviews received at journal 12 Apr, 2025 Reviews received at journal 06 Apr, 2025 Reviewers agreed at journal 27 Mar, 2025 Reviewers agreed at journal 27 Mar, 2025 Reviewers agreed at journal 16 Dec, 2024 Reviews received at journal 24 Oct, 2024 Reviewers agreed at journal 14 Oct, 2024 Reviewers invited by journal 07 Oct, 2024 Editor assigned by journal 07 Oct, 2024 Editor invited by journal 28 Jun, 2024 Submission checks completed at journal 28 Jun, 2024 First submitted to journal 24 Jun, 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. 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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-4632779","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":327638730,"identity":"7c196a14-e7cd-44cb-92e7-a45c4eb1a7c4","order_by":0,"name":"Dong Wang","email":"","orcid":"","institution":"Liaoning Technical University","correspondingAuthor":false,"prefix":"","firstName":"Dong","middleName":"","lastName":"Wang","suffix":""},{"id":327638731,"identity":"deb21709-4e9e-4efc-82c7-1350889e523e","order_by":1,"name":"Zuchao 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intermediate bridge, inner dump, three-dimensional mechanical effect, slope stability","lastPublishedDoi":"10.21203/rs.3.rs-4632779/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-4632779/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eTo solve the problem of dynamic demolition of intermediate bridges, study on the calculation method of slope stability under the synergistic support effect of the intermediate bridge and the inner dump. On the basis of constructing the mechanical model of the intermediate bridge and the inner dump, using Mohr-Coulomb shear strength theory and soil pressure theory, the mathematical expressions of the variation of the supporting effect and the three-dimensional mechanical effect of the internal dump during the demolition of the intermediate bridge are derived, and the quantitative relationship between the dumping height and the demolition length of the intermediate bridge is obtained. Based on the idea of equivalence, a two-dimensional equivalent method for synergistic mechanical effect of inner dump is proposed, the influence of the height of the inner discharge pressure on the equivalent physical and mechanical parameters is revealed theoretically. The method is applied to Zahannaoer open-pit coal mine, the intermediate bridge demolition project was designed in stages and the slope stability of each stage was analyzed and verified. The results can lay a theoretical and application foundation for dynamic demolition design and engineering implementation of intermediate bridge in open-pit coal mine.\u003c/p\u003e \u003cp\u003e \u003c/p\u003e \u003cp\u003e \u003c/p\u003e","manuscriptTitle":" Cooperative supporting effect of intermediate bridge and inner dump on slope in adjacent open-pit mining area ","msid":"","msnumber":"","nonDraftVersions":[{"code":1,"date":"2024-07-22 07:12:18","doi":"10.21203/rs.3.rs-4632779/v1","editorialEvents":[{"type":"communityComments","content":0},{"type":"decision","content":"Revision requested","date":"2025-04-28T09:47:35+00:00","index":"","fulltext":""},{"type":"editorInvitedReview","content":"","date":"2025-04-12T13:15:11+00:00","index":"hide","fulltext":""},{"type":"editorInvitedReview","content":"","date":"2025-04-06T16:30:44+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"105174485929806141047238546411906549310","date":"2025-03-28T02:29:22+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"260464207602336321230248907927448701821","date":"2025-03-27T07:54:29+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"260937528225921950844056534416664153842","date":"2024-12-16T05:07:19+00:00","index":"hide","fulltext":""},{"type":"editorInvitedReview","content":"","date":"2024-10-24T07:04:35+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"268104024008568839174631496518132796260","date":"2024-10-14T06:42:28+00:00","index":"hide","fulltext":""},{"type":"reviewersInvited","content":"","date":"2024-10-07T06:26:46+00:00","index":"","fulltext":""},{"type":"editorAssigned","content":"","date":"2024-10-07T06:17:48+00:00","index":"","fulltext":""},{"type":"editorInvited","content":"","date":"2024-06-28T05:21:37+00:00","index":"","fulltext":""},{"type":"checksComplete","content":"","date":"2024-06-28T05:15:29+00:00","index":"","fulltext":""},{"type":"submitted","content":"Scientific Reports","date":"2024-06-25T01:39:15+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":"543d5f9a-960c-4cce-bc76-29ae8919695a","owner":[],"postedDate":"July 22nd, 2024","published":true,"recentEditorialEvents":[],"rejectedJournal":[],"revision":"","amendment":"","status":"published-in-journal","subjectAreas":[{"id":34675874,"name":"Earth and environmental sciences/Natural hazards"},{"id":34675875,"name":"Physical sciences/Engineering"}],"tags":[],"updatedAt":"2026-01-12T16:07:50+00:00","versionOfRecord":{"articleIdentity":"rs-4632779","link":"https://doi.org/10.1038/s41598-025-34747-0","journal":{"identity":"scientific-reports","isVorOnly":false,"title":"Scientific Reports"},"publishedOn":"2026-01-10 15:58:02","publishedOnDateReadable":"January 10th, 2026"},"versionCreatedAt":"2024-07-22 07:12:18","video":"","vorDoi":"10.1038/s41598-025-34747-0","vorDoiUrl":"https://doi.org/10.1038/s41598-025-34747-0","workflowStages":[]},"version":"v1","identity":"rs-4632779","journalConfig":"researchsquare"},"__N_SSP":true},"page":"/article/[identity]/[[...version]]","query":{"redirect":"/article/rs-4632779","identity":"rs-4632779","version":["v1"]},"buildId":"8U1c8b4HqxoKbykW_rLl7","isFallback":false,"isExperimentalCompile":false,"dynamicIds":[84888],"gssp":true,"scriptLoader":[]}