{"id":"https://openalex.org/W7204531356","doi":"https://doi.org/10.21595/jme.2026.26514","title":"Experimental research on hollowing detection in concrete walls based on acoustic signal feature analysis","display_name":"Experimental research on hollowing detection in concrete walls based on acoustic signal feature analysis","publication_year":2026,"publication_date":"2026-08-28","ids":{"openalex":"https://openalex.org/W7204531356","doi":"https://doi.org/10.21595/jme.2026.26514"},"language":"en","primary_location":{"id":"doi:10.21595/jme.2026.26514","doi":"https://doi.org/10.21595/jme.2026.26514","is_oa":true,"landing_page_url":"https://doi.org/10.21595/jme.2026.26514","pdf_url":"https://www.extrica.com/article/26514/pdf","source":{"id":"https://openalex.org/S4210212535","display_name":"Journal of Measurements in Engineering","issn_l":"2335-2124","issn":["2335-2124","2424-4635"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","poland-20","russia-white-list-4"],"host_organization":"https://openalex.org/P4324044484","host_organization_name":"JVE International","host_organization_lineage":["https://openalex.org/P4324044484"],"host_organization_lineage_names":["JVE International"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Measurements in Engineering","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.extrica.com/article/26514/pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5137660907","display_name":"Jiaqi Wang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210155952","display_name":"Qingdao Huanghai University","ror":"https://ror.org/05e1zbn94","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210155952"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiaqi Wang","raw_affiliation_strings":["School of Smart City Engineering , Qingdao Huanghai University , Qingdao , Shandong , 266427 , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Smart City Engineering , Qingdao Huanghai University , Qingdao , Shandong , 266427 , China","institution_ids":["https://openalex.org/I4210155952"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5132569634","display_name":"Shibin Teng","orcid":"https://orcid.org/0009-0000-7202-910X","observed_orcids":["https://orcid.org/0009-0000-7202-910X"]},"institutions":[{"id":"https://openalex.org/I4210155952","display_name":"Qingdao Huanghai University","ror":"https://ror.org/05e1zbn94","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210155952"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shibin Teng","raw_affiliation_strings":["School of Smart City Engineering , Qingdao Huanghai University , Qingdao , Shandong , 266427 , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Smart City Engineering , Qingdao Huanghai University , Qingdao , Shandong , 266427 , China","institution_ids":["https://openalex.org/I4210155952"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057851676","display_name":"Shushu Ge","orcid":"https://orcid.org/0000-0002-0190-2036","observed_orcids":["https://orcid.org/0000-0002-0190-2036"]},"institutions":[{"id":"https://openalex.org/I4210155952","display_name":"Qingdao Huanghai University","ror":"https://ror.org/05e1zbn94","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210155952"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shushu Ge","raw_affiliation_strings":["School of Smart City Engineering , Qingdao Huanghai University , Qingdao , Shandong , 266427 , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Smart City Engineering , Qingdao Huanghai University , Qingdao , Shandong , 266427 , China","institution_ids":["https://openalex.org/I4210155952"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100453358","display_name":"Wenlong Zhang","orcid":"https://orcid.org/0000-0003-4328-5301","observed_orcids":["https://orcid.org/0000-0003-4328-5301"]},"institutions":[{"id":"https://openalex.org/I4210155952","display_name":"Qingdao Huanghai University","ror":"https://ror.org/05e1zbn94","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210155952"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenlong Zhang","raw_affiliation_strings":["School of Smart City Engineering , Qingdao Huanghai University , Qingdao , Shandong , 266427 , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Smart City Engineering , Qingdao Huanghai University , Qingdao , Shandong , 266427 , China","institution_ids":["https://openalex.org/I4210155952"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5127764315","display_name":"Fang Zhao","orcid":"https://orcid.org/0009-0001-3579-6278","observed_orcids":["https://orcid.org/0009-0001-3579-6278"]},"institutions":[{"id":"https://openalex.org/I4210155952","display_name":"Qingdao Huanghai University","ror":"https://ror.org/05e1zbn94","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210155952"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fang Zhao","raw_affiliation_strings":["School of Smart City Engineering , Qingdao Huanghai University , Qingdao , Shandong , 266427 , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Smart City Engineering , Qingdao Huanghai University , Qingdao , Shandong , 266427 , China","institution_ids":["https://openalex.org/I4210155952"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5132569634"],"corresponding_institution_ids":["https://openalex.org/I4210155952"],"apc_list":{"value":750,"currency":"EUR","value_usd":808},"apc_paid":{"value":750,"currency":"EUR","value_usd":808},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12940","display_name":"Structural Engineering and Materials Analysis","score":0.9359999895095825,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12940","display_name":"Structural Engineering and Materials Analysis","score":0.9359999895095825,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10662","display_name":"Ultrasonics and Acoustic Wave Propagation","score":0.042500000447034836,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10534","display_name":"Structural Health Monitoring Techniques","score":0.0044999998062849045,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/non-destructive-testing","display_name":"non-destructive testing","score":0.9150000214576721},{"id":"https://openalex.org/keywords/acoustic-response","display_name":"acoustic response","score":0.6150000095367432},{"id":"https://openalex.org/keywords/frequency-domain-analysis","display_name":"frequency domain analysis","score":0.5979999899864197},{"id":"https://openalex.org/keywords/time-domain-analysis","display_name":"time-domain analysis","score":0.7310000061988831},{"id":"https://openalex.org/keywords/peak-frequency","display_name":"dominant frequency","score":0.6570000052452087},{"id":"https://openalex.org/keywords/peak-amplitude","display_name":"peak amplitude","score":0.8320000171661377},{"id":"https://openalex.org/keywords/structural-health-monitoring","display_name":"structural health monitoring","score":0.7099999785423279},{"id":"https://openalex.org/keywords/building-structures","display_name":"building structures","score":0.6980000138282776}],"concepts":[{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.6984999775886536},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.6832000017166138},{"id":"https://openalex.org/C197424946","wikidata":"https://www.wikidata.org/wiki/Q1165717","display_name":"Waveform","level":3,"score":0.6597999930381775},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.6079000234603882},{"id":"https://openalex.org/C3018233652","wikidata":"https://www.wikidata.org/wiki/Q101965","display_name":"Experimental research","level":2,"score":0.5965999960899353},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.5735999941825867},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.5126000046730042},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.47450000047683716},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4724000096321106},{"id":"https://openalex.org/C174598085","wikidata":"https://www.wikidata.org/wiki/Q746673","display_name":"Acoustic emission","level":2,"score":0.45739999413490295},{"id":"https://openalex.org/C56529433","wikidata":"https://www.wikidata.org/wiki/Q626700","display_name":"Nondestructive testing","level":2,"score":0.39559999108314514},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.38260000944137573},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.36469998955726624},{"id":"https://openalex.org/C137270730","wikidata":"https://www.wikidata.org/wiki/Q120811","display_name":"Detection theory","level":3,"score":0.3617999851703644},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3497999906539917},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.34610000252723694},{"id":"https://openalex.org/C55037315","wikidata":"https://www.wikidata.org/wiki/Q5421151","display_name":"Experimental data","level":2,"score":0.3416000008583069},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.30079999566078186},{"id":"https://openalex.org/C25570617","wikidata":"https://www.wikidata.org/wiki/Q1006462","display_name":"Hilbert\u2013Huang transform","level":3,"score":0.299699991941452},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.25119999051094055}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.21595/jme.2026.26514","doi":"https://doi.org/10.21595/jme.2026.26514","is_oa":true,"landing_page_url":"https://doi.org/10.21595/jme.2026.26514","pdf_url":"https://www.extrica.com/article/26514/pdf","source":{"id":"https://openalex.org/S4210212535","display_name":"Journal of Measurements in Engineering","issn_l":"2335-2124","issn":["2335-2124","2424-4635"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","poland-20","russia-white-list-4"],"host_organization":"https://openalex.org/P4324044484","host_organization_name":"JVE International","host_organization_lineage":["https://openalex.org/P4324044484"],"host_organization_lineage_names":["JVE International"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Measurements in Engineering","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.21595/jme.2026.26514","doi":"https://doi.org/10.21595/jme.2026.26514","is_oa":true,"landing_page_url":"https://doi.org/10.21595/jme.2026.26514","pdf_url":"https://www.extrica.com/article/26514/pdf","source":{"id":"https://openalex.org/S4210212535","display_name":"Journal of Measurements in Engineering","issn_l":"2335-2124","issn":["2335-2124","2424-4635"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","poland-20","russia-white-list-4"],"host_organization":"https://openalex.org/P4324044484","host_organization_name":"JVE International","host_organization_lineage":["https://openalex.org/P4324044484"],"host_organization_lineage_names":["JVE International"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Measurements in Engineering","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320325174","display_name":"Beijing University of Civil Engineering and Architecture","ror":"https://ror.org/02yj0p855"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7204531356.pdf","grobid_xml":"https://content.openalex.org/works/W7204531356.grobid-xml"},"referenced_works_count":41,"referenced_works":["https://openalex.org/W1682101447","https://openalex.org/W1977515935","https://openalex.org/W2036930561","https://openalex.org/W2094399979","https://openalex.org/W2789607450","https://openalex.org/W2902737181","https://openalex.org/W2944257502","https://openalex.org/W3020502151","https://openalex.org/W3027026717","https://openalex.org/W3046535879","https://openalex.org/W3105722689","https://openalex.org/W3117818080","https://openalex.org/W3126906033","https://openalex.org/W3135327121","https://openalex.org/W3154072107","https://openalex.org/W3198981305","https://openalex.org/W3212107282","https://openalex.org/W4210263447","https://openalex.org/W4292998978","https://openalex.org/W4297850922","https://openalex.org/W4310015570","https://openalex.org/W4360949771","https://openalex.org/W4361007386","https://openalex.org/W4363678977","https://openalex.org/W4384575275","https://openalex.org/W4384895387","https://openalex.org/W4389513137","https://openalex.org/W4393141966","https://openalex.org/W4393198443","https://openalex.org/W4401393763","https://openalex.org/W4401483721","https://openalex.org/W4404499603","https://openalex.org/W4404516380","https://openalex.org/W4405463737","https://openalex.org/W4405809888","https://openalex.org/W4407215167","https://openalex.org/W4409585783","https://openalex.org/W4410754453","https://openalex.org/W4414957955","https://openalex.org/W7130422837","https://openalex.org/W7133243545"],"related_works":["https://openalex.org/W7163151147","https://openalex.org/W7162262785","https://openalex.org/W2099008501","https://openalex.org/W4409051257","https://openalex.org/W7133134225","https://openalex.org/W4230459010","https://openalex.org/W2359084802","https://openalex.org/W4393198443","https://openalex.org/W2809631251","https://openalex.org/W7214672116"],"abstract_inverted_index":{"Concrete":[0],"wall":[1,47],"hollowing":[2,34,48,71,103,129],"is":[3,16],"a":[4,39,111],"common":[5],"defect":[6,235],"affecting":[7],"structural":[8],"safety":[9],"and":[10,12,30,72,79,83,91,104,121,125,147,150,156,162],"durability,":[11],"its":[13],"accurate":[14],"identification":[15,130],"of":[17,24,33,45,52,60,118,127,143,166,177,183,192,197,208,211,221],"great":[18],"significance":[19],"for":[20,41,115,159,233],"ensuring":[21],"the":[22,43,50,58,94,97,123,128,141,174,180,190],"quality":[23],"construction":[25],"projects.":[26],"To":[27],"achieve":[28],"efficient":[29],"non-destructive":[31,160],"detection":[32,117,236],"defects,":[35],"this":[36,178],"paper":[37],"proposes":[38],"method":[40,139],"identifying":[42],"state":[44],"concrete":[46,119],"using":[49],"characteristics":[51],"knock":[53],"sound":[54],"signals":[55],"based":[56,132],"on":[57,133],"principle":[59],"acoustic":[61,67,100,116,134],"response.":[62],"The":[63,107,169,205],"study":[64,95],"first":[65],"collects":[66],"signal":[68,89,135],"data":[69],"from":[70,225],"non-hollowing":[73,105],"areas":[74,185,199,213],"through":[75],"standardized":[76],"knocking":[77],"experiments,":[78],"conducts":[80],"systematic":[81],"time-domain":[82],"frequency-domain":[84],"feature":[85],"analysis.":[86],"By":[87],"comparing":[88],"waveform":[90],"spectral":[92],"characteristics,":[93],"explores":[96],"differences":[98],"in":[99,189,237],"response":[101],"between":[102,216],"areas.":[106],"research":[108,138],"results":[109,170],"provide":[110,152],"reliable":[112],"parameter":[113],"basis":[114],"structures":[120],"verify":[122],"feasibility":[124],"effectiveness":[126],"approach":[131],"characteristics.":[136],"This":[137],"has":[140],"advantages":[142],"simplicity,":[144],"low":[145],"cost,":[146],"strong":[148],"applicability,":[149],"can":[151],"new":[153],"technical":[154],"support":[155],"application":[157],"references":[158],"testing":[161],"intelligent":[163],"health":[164],"monitoring":[165],"building":[167],"structures.":[168],"show":[171],"that":[172],"under":[173],"experimental":[175],"conditions":[176],"study,":[179],"dominant":[181],"frequencies":[182],"hollow":[184,212,234],"are":[186,200],"mainly":[187],"distributed":[188],"range":[191,224],"1650-1750":[193],"Hz,":[194],"while":[195],"those":[196,220],"non-hollow":[198],"concentrated":[201],"within":[202],"1300-1500":[203],"Hz.":[204],"absolute":[206],"values":[207],"peak":[209],"amplitudes":[210],"generally":[214],"fall":[215],"40-50":[217],"mV,":[218,227],"whereas":[219],"intact":[222],"regions":[223],"10-20":[226],"which":[228],"provides":[229],"quantitative":[230],"reference":[231],"criteria":[232],"practical":[238],"engineering.":[239]},"counts_by_year":[],"updated_date":"2026-09-29T14:09:16.559479","created_date":"2026-08-29T00:00:00"}