{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Hao C"],"funding":["Key Research and Development Special Project grant funded by China Henan Provincial Department of Science and Technology","National Defense Science and Technology Innovation Fund of the Chinese Academy of Sciences"],"pagination":["e0334910"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12574833"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["20(10)"],"pubmed_abstract":["Thin-layer interlayer debonding in semi-rigid base asphalt pavements is difficult to detect with conventional techniques due to their limited sensitivity. This study proposes a novel acoustic-based detection approach that utilizes a distributed elastic variable damping (DEVD) Maxwell model and introduces an A-weighted sound pressure level (SPL) index to enhance detection of small-scale debonding. Comprehensive numerical simulations were integrated with full-scale experiments to analyze acoustic signals under different excitation modes and debonding scenarios. The results show a strong correlation between the A-weighted acoustic metrics and debonding area, and the proposed method reliably distinguishes thin debonding layers that ground-penetrating radar (GPR) could not detect. Our acoustic "],"journal":["PloS one"],"pubmed_title":["Acoustic-based detection of debonding in thin-layer semi-rigid base asphalt pavements using a-weighted sound pressure levels."],"pmcid":["PMC12574833"],"funding_grant_id":["241111241600","2025YFE0199500","231111520200"],"pubmed_authors":["Ye M","Li Z","Zuo X","Hao C","Zhang Q","Sun Z"],"additional_accession":[]},"is_claimable":false,"name":"Acoustic-based detection of debonding in thin-layer semi-rigid base asphalt pavements using a-weighted sound pressure levels.","description":"Thin-layer interlayer debonding in semi-rigid base asphalt pavements is difficult to detect with conventional techniques due to their limited sensitivity. This study proposes a novel acoustic-based detection approach that utilizes a distributed elastic variable damping (DEVD) Maxwell model and introduces an A-weighted sound pressure level (SPL) index to enhance detection of small-scale debonding. Comprehensive numerical simulations were integrated with full-scale experiments to analyze acoustic signals under different excitation modes and debonding scenarios. The results show a strong correlation between the A-weighted acoustic metrics and debonding area, and the proposed method reliably distinguishes thin debonding layers that ground-penetrating radar (GPR) could not detect. Our acoustic ","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025","modification":"2026-05-13T14:49:06.42Z","creation":"2026-05-13T14:29:18.535Z"},"accession":"S-EPMC12574833","cross_references":{"pubmed":["41166381"],"doi":["10.1371/journal.pone.0334910"]}}