{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,27]],"date-time":"2026-05-27T18:05:00Z","timestamp":1779905100984,"version":"3.53.1"},"reference-count":39,"publisher":"Public Library of Science (PLoS)","issue":"5","license":[{"start":{"date-parts":[[2026,5,27]],"date-time":"2026-05-27T00:00:00Z","timestamp":1779840000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Kaifeng City Science and Technology Plan Project","award":["2503012"],"award-info":[{"award-number":["2503012"]}]},{"name":"Henan Province University-Enterprise Collaborative Innovation Project","award":["26AXQXT071"],"award-info":[{"award-number":["26AXQXT071"]}]},{"name":"Open Research Fund of Key Laboratory of Coastal Urban Resilient Infrastructures (Shenzhen University), Ministry of Education","award":["CURI-G202406"],"award-info":[{"award-number":["CURI-G202406"]}]}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS One"],"abstract":"<jats:p>Steel plates and bolted connections have become common construction details in prefabricated structural systems. However, prefabricated frame structures with steel plate hoop\u2013bolted connections exhibit connection gaps, interface slip, and discontinuous force-transfer paths, making them prone to hysteretic degradation and cumulative damage under seismic loading. Conventional seismic fragility assessments typically rely on the maximum inter-story drift ratio, which focuses only on deformation demand and fails to capture key deterioration mechanisms such as low-cycle damage accumulation, stiffness degradation, and reduced energy dissipation capacity. Consequently, the seismic performance of prefabricated structures may be inadequately represented. To address this limitation, this study adopts a two-parameter damage model as the engineering demand parameter for incremental dynamic analysis (IDA) and fragility assessment, and compares it with the traditional drift-based index. An energy-dissipation-based story damage weighting method is further introduced to better characterize damage distribution and performance degradation along the structural height. Finite element models of prefabricated columns and beam\u2013column joints with steel plate hoop\u2013bolted connections were developed in SAP2000 using multilinear plastic link elements and validated against quasi-static test results. A comparative fragility analysis was then performed for six-story full prefabricated and cast-in-place frame structures. The results show that the inter-story drift ratio underestimates structural capacity in the elastic stage but overestimates collapse resistance compared with the two-parameter damage model.<\/jats:p>","DOI":"10.1371\/journal.pone.0350096","type":"journal-article","created":{"date-parts":[[2026,5,27]],"date-time":"2026-05-27T17:31:07Z","timestamp":1779903067000},"page":"e0350096","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":0,"title":["Seismic fragility analysis of fully prefabricated frame structures with steel plate hoop bolt connections based on various engineering demand parameters"],"prefix":"10.1371","volume":"21","author":[{"given":"Zhiyuan","family":"Gao","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4638-4591","authenticated-orcid":true,"given":"Jiaolei","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lei","family":"Cao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"340","published-online":{"date-parts":[[2026,5,27]]},"reference":[{"issue":"7","key":"pone.0350096.ref001","article-title":"Performance of a prestressed efficiently prefabricated beam-column connection","volume":"17","author":"J Cai","year":"2022","journal-title":"PLoS One"},{"issue":"7","key":"pone.0350096.ref002","article-title":"Characteristics of a new UT-type prefabricated joint for rectangular steel tubes under combined axial-moment loading","volume":"20","author":"M Sun","year":"2025","journal-title":"PLoS One"},{"issue":"10","key":"pone.0350096.ref003","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pone.0331741","article-title":"Sensitivity analysis and integrated optimization of placement and parameters of rotational friction dampers based on seismic energy approach considering soil-structure interaction","volume":"20","author":"H Jarrahi","year":"2025","journal-title":"PLoS One"},{"issue":"11","key":"pone.0350096.ref004","article-title":"Study on the shear concentration in high\u2010rise buildings with transfer structure and its effects on seismic performance","volume":"31","author":"C Jin","year":"2022","journal-title":"Structural Design Tall Build"},{"issue":"10","key":"pone.0350096.ref005","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pone.0334654","article-title":"Seismic performance evaluation of ancient Tibetan residential structures and energy dissipation of Mortise-Tenon Joints","volume":"20","author":"J Tang","year":"2025","journal-title":"PLoS One"},{"issue":"4","key":"pone.0350096.ref006","doi-asserted-by":"crossref","DOI":"10.1007\/s12046-023-02346-2","article-title":"Seismic fragility analysis of precast concrete framed structures with dry connections","volume":"48","author":"K Srikanth","year":"2023","journal-title":"S\u0101dhan\u0101"},{"issue":"1","key":"pone.0350096.ref007","doi-asserted-by":"crossref","first-page":"149","DOI":"10.1007\/s11803-022-2078-3","article-title":"Development of seismic fragility curves for precast concrete frames with cast-in-situ concrete shear-walls","volume":"21","author":"A Yahyaabadi","year":"2022","journal-title":"Earthq Eng Eng Vib"},{"key":"pone.0350096.ref008","doi-asserted-by":"crossref","first-page":"106366","DOI":"10.1016\/j.jobe.2023.106366","article-title":"Seismic fragility assessment of multistory precast concrete parking structures","volume":"70","author":"H Li","year":"2023","journal-title":"J Building 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Eng"},{"key":"pone.0350096.ref012","doi-asserted-by":"crossref","first-page":"184","DOI":"10.1016\/j.istruc.2016.06.008","article-title":"Three dimensional extension for park and ang damage model","volume":"7","author":"J Guo","year":"2016","journal-title":"Structures"},{"issue":"4","key":"pone.0350096.ref013","doi-asserted-by":"crossref","first-page":"740","DOI":"10.1061\/(ASCE)0733-9445(1985)111:4(740)","article-title":"Seismic damage analysis of reinforced concrete","volume":"111","author":"YJ Park","year":"1985","journal-title":"J Struct Eng"},{"key":"pone.0350096.ref014","author":"SK Kunnath","year":"1992"},{"issue":"12","key":"pone.0350096.ref015","article-title":"Maximum seismic displacement of inelastic systems based on energy concept","volume":"28","author":"L Ye","year":"1999","journal-title":"Earthquake Engineering & Structural Dynamics"},{"key":"pone.0350096.ref016","year":"2012"},{"key":"pone.0350096.ref017","year":"2011"},{"key":"pone.0350096.ref018","year":"2007"},{"key":"pone.0350096.ref019","year":"2019"},{"key":"pone.0350096.ref020","year":"2018"},{"key":"pone.0350096.ref021","doi-asserted-by":"crossref","first-page":"117435","DOI":"10.1016\/j.engstruct.2023.117435","article-title":"Cyclic loading response of precast concrete beam-column connections with partially bonded draped prestressing tendon","volume":"302","author":"X Liao","year":"2024","journal-title":"Eng Structures"},{"key":"pone.0350096.ref022","doi-asserted-by":"crossref","first-page":"113368","DOI":"10.1016\/j.engstruct.2021.113368","article-title":"An improved and robust finite element model for simulation of thin-walled steel bolted connections","volume":"250","author":"J Ye","year":"2022","journal-title":"Engineering Structures"},{"issue":"12","key":"pone.0350096.ref023","article-title":"Monolithic and Staggered Strategies Using Solid-Shell Formulations for Nonlinear Coupled Thermoelasticity","volume":"145","author":"W Shu","year":"2019","journal-title":"J Eng Mech"},{"key":"pone.0350096.ref024","unstructured":"Hamutcuoglu OM, Ghosn M. Nonlinear redundancy analysis of multi-cell pre-stressed concrete box-girder bridge. 2013."},{"key":"pone.0350096.ref025","author":"UC Oksuz","year":"2014"},{"issue":"11","key":"pone.0350096.ref026","article-title":"Finite element analysis of progressive collapse resistance of a prefabricated RC frame structure with stud connection considering chloride corrosion","volume":"20","author":"Z Gao","year":"2025","journal-title":"PLoS One"},{"issue":"8","key":"pone.0350096.ref027","first-page":"90","article-title":"Experimental study and theoretical analysis of seismic behavior of high-strength spiral stirrup confined concrete column connections","volume":"34","author":"QN Li","year":"2013","journal-title":"Journal of Building Structures"},{"key":"pone.0350096.ref028","author":"JL Zhang","year":"2021"},{"key":"pone.0350096.ref029","doi-asserted-by":"crossref","first-page":"115988","DOI":"10.1016\/j.jobe.2026.115988","article-title":"Experimental and numerical study on the seismic performance of prefabricated concrete column with steel plate hoops and bolt connection under cyclic loading","volume":"124","author":"J-L Zhang","year":"2026","journal-title":"J Building Eng"},{"key":"pone.0350096.ref030","doi-asserted-by":"crossref","first-page":"388","DOI":"10.1016\/j.conbuildmat.2019.03.113","article-title":"Bilinear elastoplastic constitutive model with polyvinyl alcohol content for strain-hardening cementitious composite","volume":"209","author":"C Zhang","year":"2019","journal-title":"Construction and Building Materials"},{"issue":"8","key":"pone.0350096.ref031","doi-asserted-by":"crossref","first-page":"1827","DOI":"10.1061\/(ASCE)0733-9445(1988)114:8(1827)","article-title":"Observed Stress\u2010Strain Behavior of Confined Concrete","volume":"114","author":"JB Mander","year":"1988","journal-title":"J Struct Eng"},{"issue":"8","key":"pone.0350096.ref032","doi-asserted-by":"crossref","first-page":"1103","DOI":"10.1080\/13632469.2013.804467","article-title":"Wavelet-based damage detection in reinforced concrete structures subjected to seismic excitations","volume":"17","author":"DA Aguirre","year":"2013","journal-title":"Journal of Earthquake Engineering"},{"issue":"3","key":"pone.0350096.ref033","doi-asserted-by":"crossref","first-page":"390","DOI":"10.1080\/13632460903086044","article-title":"Simplified Macro-Model for Infill Masonry Panels","volume":"14","author":"H Rodrigues","year":"2010","journal-title":"J Earthquake Eng"},{"key":"pone.0350096.ref034","doi-asserted-by":"crossref","first-page":"696","DOI":"10.1016\/j.engstruct.2018.05.074","article-title":"A simplified model for alternate load path assessment in RC structures","volume":"171","author":"NS Lim","year":"2018","journal-title":"Engineering Structures"},{"key":"pone.0350096.ref035","volume-title":"Code for Seismic Design of Buildings","year":"2010"},{"key":"pone.0350096.ref036","author":"GB 50010\u20132010","year":"2010"},{"issue":"3","key":"pone.0350096.ref037","doi-asserted-by":"crossref","first-page":"469","DOI":"10.1193\/1.1586011","article-title":"4. Earthquakes, records, and nonlinear responses","volume":"14","author":"N Shome","year":"1998","journal-title":"Earthquake Spectra"},{"key":"pone.0350096.ref038","doi-asserted-by":"crossref","first-page":"156","DOI":"10.1016\/j.engstruct.2016.03.032","article-title":"Shaking table test on the collapse process of a three-story reinforced concrete frame structure","volume":"118","author":"S Li","year":"2016","journal-title":"Engineering Structures"},{"issue":"2","key":"pone.0350096.ref039","doi-asserted-by":"crossref","DOI":"10.1061\/(ASCE)AE.1943-5568.0000166","article-title":"Experimental seismic collapse study of a full-scale, 4-story, soft-story, wood-frame building","volume":"21","author":"P Bahmani","year":"2015","journal-title":"J Archit Eng"}],"container-title":["PLOS One"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/dx.plos.org\/10.1371\/journal.pone.0350096","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,27]],"date-time":"2026-05-27T17:31:16Z","timestamp":1779903076000},"score":1,"resource":{"primary":{"URL":"https:\/\/dx.plos.org\/10.1371\/journal.pone.0350096"}},"subtitle":[],"editor":[{"given":"Dajiang","family":"Geng","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"editor"}]}],"short-title":[],"issued":{"date-parts":[[2026,5,27]]},"references-count":39,"journal-issue":{"issue":"5","published-online":{"date-parts":[[2026,5,27]]}},"URL":"https:\/\/doi.org\/10.1371\/journal.pone.0350096","relation":{},"ISSN":["1932-6203"],"issn-type":[{"value":"1932-6203","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,5,27]]}}}