{"id":{"repo_id":"brazil-uerj","oai_identifier":"oai:pantheon.ufrj.br:11422/3064"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-uerj/oai:pantheon.ufrj.br:11422/3064","repository":{"repo_id":"brazil-uerj","name":"Brazil UERJ","base_url":"https://pantheon.ufrj.br/oai/request"},"display":{"title":"Resistência ao esforço cortante de peças de concreto armado de seção transversal circular","abstract":"The results of an experimental research on the shear failure of reinforced concrete members with circular cross-section are presented. Eight simply supported beams with a 3,0 m span and a 0,4 m diameter cross-section were tested by loading them with two symmetrical concentrated forces. The variable parameters were the distance from one of the concentrated force to the nearest support and the ratios of longitudinal and transverse reinforcement. The measured ultimate shear forces were compared with predictions based on Design Codes and late recommendations. These comparisons were made by adjusting design formulae for other cross-section geometries to the circular case. It was observed that these Design predictions are usually conservative. But, due to the limited number of tests in the present experimental programme and the limited range of the parameters involved, any premature conclusion taken from this research would seem injustifiable. It is recommended that more tests should be conducted for a better understanding of the subject.","abstract_html":"The results of an experimental research on the shear failure of reinforced concrete members with circular cross-section are presented. Eight simply supported beams with a 3,0 m span and a 0,4 m diameter cross-section were tested by loading them with two symmetrical concentrated forces. The variable parameters were the distance from one of the concentrated force to the nearest support and the ratios of longitudinal and transverse reinforcement. The measured ultimate shear forces were compared with predictions based on Design Codes and late recommendations. These comparisons were made by adjusting design formulae for other cross-section geometries to the circular case. It was observed that these Design predictions are usually conservative. But, due to the limited number of tests in the present experimental programme and the limited range of the parameters involved, any premature conclusion taken from this research would seem injustifiable. It is recommended that more tests should be conducted for a better understanding of the subject.","abstract_has_math":false,"creators":["Nunes, João Carlos Alves"],"institution":"Universidade Federal do Rio de Janeiro","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Nagato, Yosiaki"],"committee_chairs":[],"committee_members":[],"year":1981,"date_issued":"1981-08","date_published":"1981-08","updated_at":"2026-07-24T01:15:59Z","subjects":["Engenharia Civil"],"languages":["por"],"rights":["Acesso Aberto"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11422/3064","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Nagato, Yosiaki"]},{"key":"dc:creator","label":"Author","values":["Nunes, João Carlos Alves"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2017-10-24T13:55:19Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2026-05-16T03:04:09Z"]},{"key":"dc:date.issued","label":"Date","values":["1981-08"]},{"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":["Engenharia Civil"]}]},{"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/11422/3064"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The results of an experimental research on the shear failure of reinforced concrete members with circular cross-section are presented. Eight simply supported beams with a 3,0 m span and a 0,4 m diameter cross-section were tested by loading them with two symmetrical concentrated forces. The variable parameters were the distance from one of the concentrated force to the nearest support and the ratios of longitudinal and transverse reinforcement. The measured ultimate shear forces were compared with predictions based on Design Codes and late recommendations. These comparisons were made by adjusting design formulae for other cross-section geometries to the circular case. It was observed that these Design predictions are usually conservative. But, due to the limited number of tests in the present experimental programme and the limited range of the parameters involved, any premature conclusion taken from this research would seem injustifiable. It is recommended that more tests should be conducted for a better understanding of the subject."]},{"key":"dc:title","label":"Title","values":["Resistência ao esforço cortante de peças de concreto armado de seção transversal circular"]}]}],"canonical_facts":{"dc:contributor.advisor":["Nagato, Yosiaki"],"dc:creator":["Nunes, João Carlos Alves"],"dc:date.accessioned":["2017-10-24T13:55:19Z"],"dc:date.available":["2026-05-16T03:04:09Z"],"dc:date.issued":["1981-08"],"dc:description.abstract":["The results of an experimental research on the shear failure of reinforced concrete members with circular cross-section are presented. Eight simply supported beams with a 3,0 m span and a 0,4 m diameter cross-section were tested by loading them with two symmetrical concentrated forces. The variable parameters were the distance from one of the concentrated force to the nearest support and the ratios of longitudinal and transverse reinforcement. The measured ultimate shear forces were compared with predictions based on Design Codes and late recommendations. These comparisons were made by adjusting design formulae for other cross-section geometries to the circular case. It was observed that these Design predictions are usually conservative. But, due to the limited number of tests in the present experimental programme and the limited range of the parameters involved, any premature conclusion taken from this research would seem injustifiable. It is recommended that more tests should be conducted for a better understanding of the subject."],"dc:identifier.uri":["http://hdl.handle.net/11422/3064"],"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":["Engenharia Civil"],"dc:title":["Resistência ao esforço cortante de peças de concreto armado de seção transversal circular"],"dc:type":["Dissertação"]},"updated_at":"2026-07-24T01:15:59Z"}