{"id":{"repo_id":"brazil-uerj","oai_identifier":"oai:pantheon.ufrj.br:11422/2842"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-uerj/oai:pantheon.ufrj.br:11422/2842","repository":{"repo_id":"brazil-uerj","name":"Brazil UERJ","base_url":"https://pantheon.ufrj.br/oai/request"},"display":{"title":"Verificação no estadio I e II e na ruptura de seções em concreto protendido","abstract":"A computer program has been developed for analysis of the working stresses, the ultimate limit state and the ultimate fadigue state of a post-tensioned concrete section subjected to a bending moment and normal force. The program allows the analysis of sections for any age of the structure, as well as for applications of the prestressing operations and duct injections in various stages. It was taken into consideration the non-linearity, of the materials using the stress-elongation relations for the concrete and the steel proposed in the CEB-FIP codes from 1970. The ultimate limit analysis is done computing the safety index of the section in relation to the design forces due to permanent and variable loads. Some peculiarities about the interaction diagrams for the ultimate limit forces are discussed.","abstract_html":"A computer program has been developed for analysis of the working stresses, the ultimate limit state and the ultimate fadigue state of a post-tensioned concrete section subjected to a bending moment and normal force. The program allows the analysis of sections for any age of the structure, as well as for applications of the prestressing operations and duct injections in various stages. It was taken into consideration the non-linearity, of the materials using the stress-elongation relations for the concrete and the steel proposed in the CEB-FIP codes from 1970. The ultimate limit analysis is done computing the safety index of the section in relation to the design forces due to permanent and variable loads. Some peculiarities about the interaction diagrams for the ultimate limit forces are discussed.","abstract_has_math":false,"creators":["Ávila, José Inácio de Souza Leão"],"institution":"Universidade Federal do Rio de Janeiro","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Diaz, Benjamin Ernani"],"committee_chairs":[],"committee_members":[],"year":1977,"date_issued":"1977-10","date_published":"1977-10","updated_at":"2026-07-24T01:15:53Z","subjects":["Concreto protendido","Tensão estrutural"],"languages":["por"],"rights":["Acesso Aberto"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11422/2842","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Diaz, Benjamin Ernani"]},{"key":"dc:creator","label":"Author","values":["Ávila, José Inácio de Souza Leão"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2017-09-18T16:28:55Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2026-05-16T03:03:58Z"]},{"key":"dc:date.issued","label":"Date","values":["1977-10"]},{"key":"dc:publisher","label":"Institution","values":["Universidade Federal do Rio de Janeiro"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Instituto Alberto Luiz Coimbra de Pós-Graduação e Pesquisa de Engenharia"]},{"key":"dc:type","label":"Dc Type","values":["Dissertação"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Concreto protendido","Tensão estrutural"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["por"]},{"key":"dc:rights","label":"Dc Rights","values":["Acesso Aberto"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11422/2842"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["A computer program has been developed for analysis of the working stresses, the ultimate limit state and the ultimate fadigue state of a post-tensioned concrete section subjected to a bending moment and normal force. The program allows the analysis of sections for any age of the structure, as well as for applications of the prestressing operations and duct injections in various stages. It was taken into consideration the non-linearity, of the materials using the stress-elongation relations for the concrete and the steel proposed in the CEB-FIP codes from 1970. The ultimate limit analysis is done computing the safety index of the section in relation to the design forces due to permanent and variable loads. Some peculiarities about the interaction diagrams for the ultimate limit forces are discussed."]},{"key":"dc:title","label":"Title","values":["Verificação no estadio I e II e na ruptura de seções em concreto protendido"]}]}],"canonical_facts":{"dc:contributor.advisor":["Diaz, Benjamin Ernani"],"dc:creator":["Ávila, José Inácio de Souza Leão"],"dc:date.accessioned":["2017-09-18T16:28:55Z"],"dc:date.available":["2026-05-16T03:03:58Z"],"dc:date.issued":["1977-10"],"dc:description.abstract":["A computer program has been developed for analysis of the working stresses, the ultimate limit state and the ultimate fadigue state of a post-tensioned concrete section subjected to a bending moment and normal force. The program allows the analysis of sections for any age of the structure, as well as for applications of the prestressing operations and duct injections in various stages. It was taken into consideration the non-linearity, of the materials using the stress-elongation relations for the concrete and the steel proposed in the CEB-FIP codes from 1970. The ultimate limit analysis is done computing the safety index of the section in relation to the design forces due to permanent and variable loads. Some peculiarities about the interaction diagrams for the ultimate limit forces are discussed."],"dc:identifier.uri":["http://hdl.handle.net/11422/2842"],"dc:language":["por"],"dc:publisher":["Universidade Federal do Rio de Janeiro"],"dc:publisher.department":["Instituto Alberto Luiz Coimbra de Pós-Graduação e Pesquisa de Engenharia"],"dc:rights":["Acesso Aberto"],"dc:subject":["Concreto protendido","Tensão estrutural"],"dc:title":["Verificação no estadio I e II e na ruptura de seções em concreto protendido"],"dc:type":["Dissertação"]},"updated_at":"2026-07-24T01:15:53Z"}