Universidade Catolica de Pernambuco - UNICAP: Envíos recientes
Mostrando ítems 1741-1760 de 1784
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Análise comparativa do módulo de elasticidade calculado segundo diferentes normas
(Universidade Católica de Pernambuco, 2014-06-09)The work involved studying the behavior and adjustment of dosage diagram of concrete with respect to static and dynamic elastic modulus. Furthermore, it compares the models of the static elastic modulus based on the ... -
Pisos industriais de concreto reforçados com fibras de aço: estado da arte
(Universidade Católica de Pernambuco, 2009-12-30)The steel fiber reinforcement concrete is a composite material. The concrete is the matrix and the reinforcement are fibers. In Brazil, it started to be used in the decade of 90, and nowadays it´s one of the most efficient ... -
Comportamento mecânico de resíduos beneficiados da construção e demolição utilizados na fabricação de concreto e estabilização de solos
(Universidade Católica de Pernambuco, 2014-06-11)This study reviews an analysis of the mechanical characteristics of construction and demolition waste (CDW), a central material recovery facility from Petrolina/ PE, with the objective to evaluate the waste processing to ... -
Comportamento reológico dos solos em umidades próximas aos limites de Atterberg, utilizando o Squeeze-flow
(Universidade Católica de Pernambuco, 2012-12-01)The study of the rheological behavior relating the interaction between the soil particles with the fluid is of great importance for the performance and application engineering works The rheology is most used in Civil ... -
Resíduos da construção civil na cidade do Recife : percepção de trabalhadores envolvidos
(Universidade Católica de Pernambuco, 2012-07-30)This research aimed to evaluate the perception of some workers involved with the disposal of construction wastes present in the city of Recife. Thus, the investigation of waste from construction in the city of Recife is ... -
Disseminação de íons cloreto na orla marítima do bairro de Boa Viagem, Recife-PE
(Universidade Católica de Pernambuco, 2006-03-30)Exposing concrete structures to the saline mist, they can suffer chlorides attacks and could cause reinforcement corrosion. The structures parts with faces directed to dominant winds are more susceptible, especially those ... -
Ação de sais minerais solúveis em alvenaria de tijolos cerâmicos no município de Petrolina-PE
(Universidade Católica de Pernambuco, 2013-04-12)The work discusses about the effects of soluble salts action on ceramic brick masonry walls in Petrolina-PE. To understand this phenomenon a mapping of pathologies on walls related with soluble salt action was performed ... -
Estudo de viabilidade de edifícios em concreto armado projetados para permitir a ruptura de qualquer dos seus pilares na base
(Universidade Católica de Pernambuco, 2012-02-01)In recent decades, some accidents occurred in reinforced concrete structures, such as the collapse of the Areia Branca Building in the Metropolitan Region of Recife, the partial collapse of the Palace II Building in the ... -
Caracterização geotécnica e análise do comportamento de aterros sobre solos moles para a construção do novo acesso ao complexo de Suape
(Universidade Católica de Pernambuco, 2011-10-01)This paper presents the geotechnical investigation, critical analysis of design and performance of embankments on soft soils for the construction of new access to ZIP - Port Industrial Zone in SUAPE. This research is very ... -
Estimativa da profundidade de carbonatação do concreto com o uso de redes neurais
(Universidade Católica de Pernambuco, 2011-03-31)The phenomenon of carbonation as the triggering agent in the process of reinforcement corrosion is particularly important when concrete structures are exposed to urban environments and the atmosphere contamination with ... -
Avaliação de cloretos pelo método de aspersão de solução de nitrato de prata
(Universidade Católica de Pernambuco, 2011-06-13)The corrosion by chlorides is considered by a number of researchers the most dangerous pathological manifestation attacking concrete reinforcements. The assessment of the attacks to the structure by sodium chloride is ... -
Sustentabilidade das edificações : do projeto à demolição
(Universidade Católica de Pernambuco, 2011-03-25)Sustainability as a new paradigm for the various areas of science and technology is the subject matter of this work. It investigates concepts and history related to sustainability and its impact on the construction ... -
Estudo do reforço de edifícios em alvenaria resistente por perfis metálicos
(Universidade Católica de Pernambuco, 2010-12-01)One can estimate that there are approximately six thousand four storey residential box-type buildings in Recife Metropolitan Region which presents structures in risk situation. Among those buildings, twelve collapsed ... -
Estudo da resistência de aderência ao cisalhamento em revestimento argamassado
(Universidade Católica de Pernambuco, 2010-10-21)This research studies aims the determination of bond of rendering mortar, through shear efforts. The ABNT NBR 13528:2010 prescribes the test method of bond strength of mortar rendering, determined a constant load applied ... -
Avaliação comparativa da influência do revestimento simples e armado no comportamento compressivo de prismas e paredinhas de blocos cerâmicos de vedação
(Universidade Católica de Pernambuco, 2010-10-01)In Brazil, one can find thousands of four storey masonry buildings made with clay units. Some of these building collapsed causing human deaths. After these accidents, several restrictions were imposed for the use of this ... -
Diagnóstico da situação dos resíduos de construção e demolição (RCD) no município de Petrolina
(Universidade Católica de Pernambuco, 2008-09-25)Besides the fact that it is the cause of some environmental impact due to the great consumption of raw material and generation of residues, construction engineering is recognized as one amongst the most important activities ... -
Ensaios de ondas ultrassônicas e redes neurais artificiais na avaliação da resistência à compressão do concreto
(Universidade Católica de Pernambuco, 2010-09-10)Stripping of formworks in reinforced concrete structures can only be done when concrete is hardened enough to carry the loads without generating unacceptable deformations. These are two important demands from Brazilian ... -
Compatibilização de projetos em edifícios de múltiplos andares: estudo de caso
(Universidade Católica de Pernambuco, 2010-04-23)The high levels of waste in the construction industry in Brazil reduce significantly the profit margins of entrepreneurs. The overestimation of the systems, stops and rework due to interferences between projects, missing ... -
Utilização dos resíduos da construção civil na produção de blocos de argamassa sem função estrutural
(Universidade Católica de Pernambuco, 2010-04-29)Given the imminent shortage of available natural resources and environmental problems arising from inadequate irregular deposition of waste in urban centers, this paper seeks to analyze the physical characteristics of ... -
Influência da argamassa de revestimento na resistência à compressão em prismas de alvenaria resistente de blocos de concreto
(Universidade Católica de Pernambuco, 2006-06-09)In the Metropolitan Region of Recife some buildings had been constructed where the masonry fulfills function structural been, however, composed of blocks originally confectioned for non load-bearing masonry. This constructive ...