Publicação
Application of fragility analysis to timber-framed structures for seismic and robustness assessments
| Resumo: | In the past few years, the construction of multi-storey timber buildings has increased significantly in locations where high-intensity ground motions are likely to occur. On the other hand, the fast development of wood engineered products, as glued-laminated timber (GLT) and cross-laminated timber (CLT), has been challenging researchers to provide adequate guidelines for the design and assessment of structures built in seismic regions. Some guidelines and analysis methods considered in seismic design can improve robustness, commonly described as the ability of structures to sustain limited damage without disproportionate effects. This paper proposes a probabilistic methodology for seismic and robustness assessment of timber-framed structures. The seismic performance and the progressive collapse potential of a three-storey building are here exemplified through the proposed methodology, which accounts for uncertainties in mechanical properties of members and connections, as well as for external loads. The Latin Hypercube Sampling (LHS) was used in each assessment to generate a set of 1000 structural models. Each structural model corresponds to a realization of the random variables used to define the structural model. Incremental dynamic analyses were performed to develop seismic fragility curves for different damage levels. The fragility functions for robustness assessment were developed for distinct damage scenarios, exploiting the results of an alternate load path analysis (ALPA) that involved the performance of nonlinear static analyses (pushdown analyses). The methodology presented is suitable for risk-based assessments that consider the occurrence of different exposures, such as earthquakes, impacts, and explosions, while considering the direct and indirect consequences of failures. However, the methodology involves time-consuming analyses with distinct load scenarios, which can constitute a burdening task within a typical building design phase. |
|---|---|
| Autores principais: | Rodrigues, Leonardo Filipe Guilherme |
| Outros Autores: | Branco, Jorge M.; Neves, Luís Armando Canhoto; Barbosa, André R. |
| Assunto: | Robustness assessment Seismic assessment Timber structures |
| Ano: | 2021 |
| País: | Portugal |
| Tipo de documento: | comunicação em conferência |
| Tipo de acesso: | acesso aberto |
| Instituição associada: | Universidade do Minho |
| Idioma: | inglês |
| Origem: | RepositóriUM - Universidade do Minho |
| _version_ | 1866877154506047488 |
|---|---|
| author | Rodrigues, Leonardo Filipe Guilherme |
| author2 | Branco, Jorge M. Neves, Luís Armando Canhoto Barbosa, André R. |
| author2_role | author author author |
| author_facet | Rodrigues, Leonardo Filipe Guilherme Branco, Jorge M. Neves, Luís Armando Canhoto Barbosa, André R. |
| author_role | author |
| contributor_name_str_mv | Universidade do Minho |
| country_str | PT |
| creators_json_txt | [{\"Person.name\":\"Rodrigues, Leonardo Filipe Guilherme\"},{\"Person.name\":\"Branco, Jorge M.\"},{\"Person.name\":\"Neves, Luís Armando Canhoto\"},{\"Person.name\":\"Barbosa, André R.\"}] |
| datacite.contributors.contributor.contributorName.fl_str_mv | Universidade do Minho |
| datacite.creators.creator.creatorName.fl_str_mv | Rodrigues, Leonardo Filipe Guilherme Branco, Jorge M. Neves, Luís Armando Canhoto Barbosa, André R. |
| datacite.date.Accepted.fl_str_mv | 2021-01-01T00:00:00Z |
| datacite.date.available.fl_str_mv | 2022-01-11T12:28:07Z |
| datacite.date.embargoed.fl_str_mv | 2022-01-11T12:28:07Z |
| datacite.rights.fl_str_mv | http://purl.org/coar/access_right/c_abf2 |
| datacite.subjects.subject.fl_str_mv | Robustness assessment Seismic assessment Timber structures |
| datacite.titles.title.fl_str_mv | Application of fragility analysis to timber-framed structures for seismic and robustness assessments |
| dc.contributor.none.fl_str_mv | Universidade do Minho |
| dc.creator.none.fl_str_mv | Rodrigues, Leonardo Filipe Guilherme Branco, Jorge M. Neves, Luís Armando Canhoto Barbosa, André R. |
| dc.date.Accepted.fl_str_mv | 2021-01-01T00:00:00Z |
| dc.date.available.fl_str_mv | 2022-01-11T12:28:07Z |
| dc.date.embargoed.fl_str_mv | 2022-01-11T12:28:07Z |
| dc.format.none.fl_str_mv | application/pdf |
| dc.identifier.none.fl_str_mv | https://hdl.handle.net/1822/75386 |
| dc.language.none.fl_str_mv | eng |
| dc.publisher.none.fl_str_mv | Springer Nature |
| dc.rights.none.fl_str_mv | http://purl.org/coar/access_right/c_abf2 |
| dc.subject.none.fl_str_mv | Robustness assessment Seismic assessment Timber structures |
| dc.title.fl_str_mv | Application of fragility analysis to timber-framed structures for seismic and robustness assessments |
| dc.type.none.fl_str_mv | http://purl.org/coar/resource_type/c_5794 |
| description | In the past few years, the construction of multi-storey timber buildings has increased significantly in locations where high-intensity ground motions are likely to occur. On the other hand, the fast development of wood engineered products, as glued-laminated timber (GLT) and cross-laminated timber (CLT), has been challenging researchers to provide adequate guidelines for the design and assessment of structures built in seismic regions. Some guidelines and analysis methods considered in seismic design can improve robustness, commonly described as the ability of structures to sustain limited damage without disproportionate effects. This paper proposes a probabilistic methodology for seismic and robustness assessment of timber-framed structures. The seismic performance and the progressive collapse potential of a three-storey building are here exemplified through the proposed methodology, which accounts for uncertainties in mechanical properties of members and connections, as well as for external loads. The Latin Hypercube Sampling (LHS) was used in each assessment to generate a set of 1000 structural models. Each structural model corresponds to a realization of the random variables used to define the structural model. Incremental dynamic analyses were performed to develop seismic fragility curves for different damage levels. The fragility functions for robustness assessment were developed for distinct damage scenarios, exploiting the results of an alternate load path analysis (ALPA) that involved the performance of nonlinear static analyses (pushdown analyses). The methodology presented is suitable for risk-based assessments that consider the occurrence of different exposures, such as earthquakes, impacts, and explosions, while considering the direct and indirect consequences of failures. However, the methodology involves time-consuming analyses with distinct load scenarios, which can constitute a burdening task within a typical building design phase. |
| dirty | 0 |
| eu_rights_str_mv | openAccess |
| format | conferencePaper |
| fulltext.url.fl_str_mv | https://prod-dspace.uminho.pt/bitstreams/42f79e1c-a22b-44cf-ac4d-901686445e25/download |
| id | rum_2db3a956c8cca8f2aa3f9155a003dffa |
| identifier.url.fl_str_mv | https://hdl.handle.net/1822/75386 |
| instacron_str | repositorium |
| institution | Universidade do Minho |
| instname_str | Universidade do Minho |
| language | eng |
| network_acronym_str | rum |
| network_name_str | RepositóriUM - Universidade do Minho |
| oai_identifier_str | oai:repositorium.uminho.pt:1822/75386 |
| organization_str_mv | urn:organizationAcronym:repositorium |
| person_str_mv | Rodrigues, Leonardo Filipe Guilherme Branco, Jorge M. Neves, Luís Armando Canhoto Barbosa, André R. |
| publishDate | 2021 |
| publisher.none.fl_str_mv | Springer Nature |
| reponame_str | RepositóriUM - Universidade do Minho |
| repository_id_str | urn:repositoryAcronym:rum |
| service_str_mv | urn:repositoryAcronym:rum |
| spelling | engSpringer NatureporIn the past few years, the construction of multi-storey timber buildings has increased significantly in locations where high-intensity ground motions are likely to occur. On the other hand, the fast development of wood engineered products, as glued-laminated timber (GLT) and cross-laminated timber (CLT), has been challenging researchers to provide adequate guidelines for the design and assessment of structures built in seismic regions. Some guidelines and analysis methods considered in seismic design can improve robustness, commonly described as the ability of structures to sustain limited damage without disproportionate effects. This paper proposes a probabilistic methodology for seismic and robustness assessment of timber-framed structures. The seismic performance and the progressive collapse potential of a three-storey building are here exemplified through the proposed methodology, which accounts for uncertainties in mechanical properties of members and connections, as well as for external loads. The Latin Hypercube Sampling (LHS) was used in each assessment to generate a set of 1000 structural models. Each structural model corresponds to a realization of the random variables used to define the structural model. Incremental dynamic analyses were performed to develop seismic fragility curves for different damage levels. The fragility functions for robustness assessment were developed for distinct damage scenarios, exploiting the results of an alternate load path analysis (ALPA) that involved the performance of nonlinear static analyses (pushdown analyses). The methodology presented is suitable for risk-based assessments that consider the occurrence of different exposures, such as earthquakes, impacts, and explosions, while considering the direct and indirect consequences of failures. However, the methodology involves time-consuming analyses with distinct load scenarios, which can constitute a burdening task within a typical building design phase.application/pdfporApplication of fragility analysis to timber-framed structures for seismic and robustness assessmentsRodrigues, Leonardo Filipe GuilhermeBranco, Jorge M.Neves, Luís Armando CanhotoBarbosa, André R.HostingInstitutionOrganizationalUniversidade do Minhoe-mailmailto:repositorium@usdb.uminho.ptrepositorium@usdb.uminho.ptISBNIsPartOf978-3-030-73615-6ISSNIsPartOf2366-2557DOIIsPartOf10.1007/978-3-030-73616-3_122022-01-11T12:28:07Z2021-01-012022-01-04T15:54:20Z2021-01-01T00:00:00ZHandlehttps://hdl.handle.net/1822/75386http://purl.org/coar/access_right/c_abf2open accessRobustness assessmentSeismic assessmentTimber structures16298290 bytesother research producthttp://purl.org/coar/resource_type/c_5794conference paperhttp://purl.org/coar/access_right/c_abf2application/pdffulltexthttps://prod-dspace.uminho.pt/bitstreams/42f79e1c-a22b-44cf-ac4d-901686445e25/download |
| spellingShingle | Application of fragility analysis to timber-framed structures for seismic and robustness assessments Rodrigues, Leonardo Filipe Guilherme Robustness assessment Seismic assessment Timber structures |
| status | SINGLETON |
| subject.fl_str_mv | Robustness assessment Seismic assessment Timber structures |
| title | Application of fragility analysis to timber-framed structures for seismic and robustness assessments |
| title_full | Application of fragility analysis to timber-framed structures for seismic and robustness assessments |
| title_fullStr | Application of fragility analysis to timber-framed structures for seismic and robustness assessments |
| title_full_unstemmed | Application of fragility analysis to timber-framed structures for seismic and robustness assessments |
| title_short | Application of fragility analysis to timber-framed structures for seismic and robustness assessments |
| title_sort | Application of fragility analysis to timber-framed structures for seismic and robustness assessments |
| topic | Robustness assessment Seismic assessment Timber structures |
| topic_facet | Robustness assessment Seismic assessment Timber structures |
| url | https://hdl.handle.net/1822/75386 |
| visible | 1 |