Double-shield TBM Mounted Seismic Ahead-prospecting System and its Application

Double-shield TBM Mounted Seismic Ahead-prospecting System and its Application | 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 Double-shield TBM Mounted Seismic Ahead-prospecting System and its Application Lei Chen, Zhongzhi Li, Kai Li, Xibin Zhang, XInji Xu, Hongyi Cao, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4497290/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 22 Jan, 2026 Read the published version in Pure and Applied Geophysics → Version 1 posted 7 You are reading this latest preprint version Abstract Double-shield tunnel boring machine (TBM) has been widely used in tunnel construction. However, the unknown adverse geological conditions in front of the tunnel face can easily disturb the construction progress of the double-shield TBM. To ensure the construction safety of double-shield TBM, it is necessary to predict the geological information in front of the tunnel face in advance. However, the unique tunnel environment with a double-shield TBM makes it hard to predict geological conditions by conventional detection techniques. Therefore, this paper proposes a double-shield TBM-mounted seismic ahead-prospecting system. According to the special structure of double-shield TBM, a geological detection system mainly including the vibration source and rod-sensing elements was developed. The mounted vibration source is excited by high-pressure gas, and the excited seismic signal has strong energy, which can realize long-distance disaster prospection. The rod-sensing element can directly contact the surrounding rock mass through the grouting hole and collect reflected wave signals with a higher signal-to-noise ratio. The system can directly excite and receive seismic waves in the rock mass around the tunnel. The proposed system has been mounted on double-shield TBMs and verified based on field. Double-shield TBM tunnel Seismic ahead prospecting TBM-mounted detection system Pneumatic vibration source Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Published Journal Publication published 22 Jan, 2026 Read the published version in Pure and Applied Geophysics → Version 1 posted Editorial decision: Revision requested 23 Jun, 2025 Reviews received at journal 07 Jan, 2025 Reviewers agreed at journal 31 Oct, 2024 Reviewers invited by journal 24 Oct, 2024 Editor assigned by journal 30 May, 2024 Submission checks completed at journal 30 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. We do this by developing innovative software and high quality services for the global research community. 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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-4497290","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":311678862,"identity":"8ab7d1a8-406b-4767-ac73-870484b5a43c","order_by":0,"name":"Lei Chen","email":"","orcid":"","institution":"Shandong University","correspondingAuthor":false,"prefix":"","firstName":"Lei","middleName":"","lastName":"Chen","suffix":""},{"id":311678867,"identity":"b49d533b-16de-44fe-befd-4f55d5e56d68","order_by":1,"name":"Zhongzhi Li","email":"","orcid":"","institution":"Shandong 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