Investigation of damage state and vulnerability of twin-channel tunnel affected by single-sided internal blast loading

Investigation of damage state and vulnerability of twin-channel tunnel affected by single-sided internal blast loading | Authorea try { document.documentElement.classList.add('js'); } catch (e) { } var _gaq = _gaq || []; _gaq.push(['_setAccount', 'G-8VDV14Y67G']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); Skip to main content Preprints Collections Wiley Open Research IET Open Research Ecological Society of Japan All Collections About About Authorea FAQs Contact Us Quick Search anywhere Search for preprint articles, keywords, etc. Search Search ADVANCED SEARCH SCROLL This is a preprint and has not been peer reviewed. Data may be preliminary. 18 September 2025 V1 Latest version Share on Investigation of damage state and vulnerability of twin-channel tunnel affected by single-sided internal blast loading Authors : Fengzeng Li , Zhengpeng Li , Liang Li 0009-0000-2723-960X [email protected] , and Li Wang Authors Info & Affiliations https://doi.org/10.22541/au.175822875.51823963/v1 141 views 65 downloads Contents Abstract Supplementary Material Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract Tunnels are critical components of transportation networks. Explosions caused by accidents or terrorist attacks can severely damage tunnel linings and even cause structural collapse. This paper investigates the damage state and vulnerability of a twin-channel tunnel subjected to single-sided internal blasting loads through numerical simulation. The results suggest that the supporting effect of the soil can improve the blast resistance of the outer wall of the tunnel. The end and middle of the mid-wall of the tunnel are susceptible to damage under the synergistic action of earth pressure and blast loads. Longitudinal plastic strain is primarily distributed at the ends and center of walls and floors, and it spreads as the charge mass increases. Under varying charge weights, the damage state of the tunnel lining is influenced by the synergistic effects of blast loads and earth pressure. The charge location has a significant impact on the damage state of the outside walls of the uncharged channel of the tunnel. Placing explosives on tunnel walls will increase the damage level of the twin-channel tunnel. When the charge weight exceeds 1000 kg and 3000 kg respectively, the exceedance probability for minor damage and severe damage to the tunnel approaches 1. Supplementary Material File (manuscript.docx) Download 36.76 MB Information & Authors Information Version history V1 Version 1 18 September 2025 Copyright This work is licensed under a Non Exclusive No Reuse License. Keywords damage state internal blast loading twin-channel tunnel vulnerability assessment Authors Affiliations Fengzeng Li Beijing Jiaotong University School of Civil Engineering View all articles by this author Zhengpeng Li Beijing University of Technology View all articles by this author Liang Li 0009-0000-2723-960X [email protected] Beijing University of Technology View all articles by this author Li Wang Beijing University of Technology View all articles by this author Metrics & Citations Metrics Article Usage 141 views 65 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation Fengzeng Li, Zhengpeng Li, Liang Li, et al. Investigation of damage state and vulnerability of twin-channel tunnel affected by single-sided internal blast loading. Authorea . 18 September 2025. DOI: https://doi.org/10.22541/au.175822875.51823963/v1 If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download. For more information or tips please see 'Downloading to a citation manager' in the Help menu . Format Please select one from the list RIS (ProCite, Reference Manager) EndNote BibTex Medlars RefWorks Direct import Tips for downloading citations document.getElementById('citMgrHelpLink').addEventListener('click', function() { popupHelp(this.href); return false; }); $(".js__slcInclude").on("change", function(e){ if ($(this).val() == 'refworks') $('#direct').prop("checked", false); $('#direct').prop("disabled", ($(this).val() == 'refworks')); }); View Options View options PDF View PDF Figures Tables Media Share Share Share article link Copy Link Copied! Copying failed. 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