Estabilidade em edifícios de concreto armado com pavimentos em lajes planas

• Ano de defesa: 2007
• Autor(a) principal: Cicolin, Luiz Antonio Betin
• Orientador(a): Figueiredo Filho, Jasson Rodrigues de
• Tipo de documento: Dissertação
• Tipo de acesso: Acesso aberto
• Idioma: por
• Instituição de defesa: Universidade Federal de São Carlos
• Programa de Pós-Graduação: Programa de Pós-Graduação em Engenharia Civil - PPGECiv
• País: BR
• Palavras-chave em Português: Concreto armado.; Lajes lisas em concreto armado; Instabilidade; Lajes cogumelo; Edifícios em lajes lisas
• Palavras-chave em Inglês: Instability; Second order efforts; Flat slabs; Mushroom type slabs; Steel concrete: Flat slab buildings
• Área do conhecimento CNPq: ENGENHARIAS::ENGENHARIA CIVIL::CONSTRUCAO CIVIL
• Link de acesso: https://repositorio.ufscar.br/handle/20.500.14289/4622

This present work covers possible manners of evaluating steel concrete frames designed for multiple flooring buildings as far as instability and necessity of second order efforts are concerned. Starting from single floor projects with simple flat slab frame, models with different numbers of floors are considered. The models do not use large rigidity elements such as staircases and lift shafts. The modeling used in this piece adopts simplified criteria for vertical action dimensioning, forming frames with flat slab layers taken as low height beams. These models are evaluated. Based on the results, the work analyzes the application validity of criteria to dismiss consideration of the NBR6118:2003 code presented second order global effort, and compares this against the P-∆ process utilization. Results both with and without inverted beams at the periphery are compared.