{"id":{"repo_id":"brazil-uerj","oai_identifier":"oai:pantheon.ufrj.br:11422/2651"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-uerj/oai:pantheon.ufrj.br:11422/2651","repository":{"repo_id":"brazil-uerj","name":"Brazil UERJ","base_url":"https://pantheon.ufrj.br/oai/request"},"display":{"title":"Apoios em dente de vigas de concreto leve armado e protendido","abstract":"Tests on twenty half-joints (tooth-shaped end of a beam) of ten ligthtweight concrete beams were carried out. Five were reinforced concrete beams and five prestressed concrete beams. Five different joint reinforcement details were tested. The joints were reinforced so that reinforcement yielding failures and failures by crushing of the concrete strut could be studied. The prestress influence on the half-joint behavior was studied and tests showed that it is not important. A comparison of the half-joint stiffness for the different reinforcement details is shown. Studies on the methods of calculating the ultimate bearing reaction are presented. Many tests resulted in bond failures of the beam tensile reinforcement. Reinforcement procedures are suggested.","abstract_html":"Tests on twenty half-joints (tooth-shaped end of a beam) of ten ligthtweight concrete beams were carried out. Five were reinforced concrete beams and five prestressed concrete beams. Five different joint reinforcement details were tested. The joints were reinforced so that reinforcement yielding failures and failures by crushing of the concrete strut could be studied. The prestress influence on the half-joint behavior was studied and tests showed that it is not important. A comparison of the half-joint stiffness for the different reinforcement details is shown. Studies on the methods of calculating the ultimate bearing reaction are presented. Many tests resulted in bond failures of the beam tensile reinforcement. Reinforcement procedures are suggested.","abstract_has_math":false,"creators":["Silva, Augusto Cláudio Paiva e"],"institution":"Universidade Federal do Rio de Janeiro","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Carneiro, Fernando Luiz Lobo Barboza"],"committee_chairs":[],"committee_members":[],"year":1974,"date_issued":"1974-08","date_published":"1974-08","updated_at":"2026-07-24T01:15:49Z","subjects":["Vigas pré-moldadas","Concreto armado"],"languages":["por"],"rights":["Acesso Aberto"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11422/2651","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Carneiro, Fernando Luiz Lobo Barboza"]},{"key":"dc:creator","label":"Author","values":["Silva, Augusto Cláudio Paiva e"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2017-08-15T13:43:22Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2026-05-16T03:01:31Z"]},{"key":"dc:date.issued","label":"Date","values":["1974-08"]},{"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":["Vigas pré-moldadas","Concreto armado"]}]},{"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/11422/2651"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Tests on twenty half-joints (tooth-shaped end of a beam) of ten ligthtweight concrete beams were carried out. Five were reinforced concrete beams and five prestressed concrete beams. Five different joint reinforcement details were tested. The joints were reinforced so that reinforcement yielding failures and failures by crushing of the concrete strut could be studied. The prestress influence on the half-joint behavior was studied and tests showed that it is not important. A comparison of the half-joint stiffness for the different reinforcement details is shown. Studies on the methods of calculating the ultimate bearing reaction are presented. Many tests resulted in bond failures of the beam tensile reinforcement. Reinforcement procedures are suggested."]},{"key":"dc:title","label":"Title","values":["Apoios em dente de vigas de concreto leve armado e protendido"]}]}],"canonical_facts":{"dc:contributor.advisor":["Carneiro, Fernando Luiz Lobo Barboza"],"dc:creator":["Silva, Augusto Cláudio Paiva e"],"dc:date.accessioned":["2017-08-15T13:43:22Z"],"dc:date.available":["2026-05-16T03:01:31Z"],"dc:date.issued":["1974-08"],"dc:description.abstract":["Tests on twenty half-joints (tooth-shaped end of a beam) of ten ligthtweight concrete beams were carried out. Five were reinforced concrete beams and five prestressed concrete beams. Five different joint reinforcement details were tested. The joints were reinforced so that reinforcement yielding failures and failures by crushing of the concrete strut could be studied. The prestress influence on the half-joint behavior was studied and tests showed that it is not important. A comparison of the half-joint stiffness for the different reinforcement details is shown. Studies on the methods of calculating the ultimate bearing reaction are presented. Many tests resulted in bond failures of the beam tensile reinforcement. Reinforcement procedures are suggested."],"dc:identifier.uri":["http://hdl.handle.net/11422/2651"],"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":["Vigas pré-moldadas","Concreto armado"],"dc:title":["Apoios em dente de vigas de concreto leve armado e protendido"],"dc:type":["Dissertação"]},"updated_at":"2026-07-24T01:15:49Z"}