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Estudo da influência do preenchimento de alvéolos em lajes alveolares submetidas à força cortante
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Engenharia Civil - PPGECiv, 2014-04-28)
The use of precast elements has become crescent in Brazil, due to the need of haste during production as well as while assembling the structures. Bearing in mind a quick assembly and the competitive price for this kind of ...
Estudo numérico-experimental da influência dos mecanismos na resistência à força cortante de lajes alveolares protendidas
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Engenharia Civil - PPGECivCâmpus São Carlos, 2020-07-14)
The prestressed hollow core slabs present uncertainties regarding the evaluation of the resistance to the resistant shear force. This is because several parameters influence the shear-resistant mechanism of prestressed ...
Análise de laje alveolar protendida moldada por fôrma fixa e usando placas de poliestireno expandido - Estudo teórico e experimental
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Engenharia Civil - PPGECivCâmpus São Carlos, 2018-06-18)
The use of prestressed hollow core slabs has increased significantly and, consequently various productive methods have emerged. These methods do not employ machinery such as extruders or slip former machine. In this research, ...
Considerações sobre projeto e fabricação de lajes alveolares protendidas
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Engenharia Civil - PPGECiv, 2009-08-17)
This work describes the procedures used in the manufacture and assembly of prestressed concrete hollow core slab systems, along with recommendations for presentation and implementation of projects in order to optimize the ...
Análise numérica de lajes alveolares protendidas submetidas ao esforço cortante com a presença de aberturas
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Engenharia Civil - PPGECivCâmpus São Carlos, 2020-12-11)
The use of prestressed precast hollow core slabs has intensified as technological advances, and as part is manufactured in industry, this element needs adjustments during its application, as for example, when need openings ...
One-dimensional multi-period cutting stock problems in the concrete industry
(2021-01-01)
This research looks at the production planning of hollow-core slabs integrated to the optimisation problem of the use of moulds. Considering the production process of these structures, two mathematical models are proposed ...
Continuidade de painéis de laje alveolar em edifícios
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Engenharia Civil - PPGECiv, 2012-12-10)
The floors consist of hollow core slabs are being increasingly used in Brazil, because it can overcome large spans, have a low self-weight, allow fast assembly, require no shoring in many situations and are more economical ...
Análise de pavimentos de edifícios em concreto préfabricado considerando o efeito diafragma
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Engenharia Civil - PPGECiv, 2012-02-13)
One of the main differences in the structures composed of prefabricated elements of the conventional structures (cast in situ) refers to the way of how structural elements are connected together. The operation of such links ...
Capacidade resistente de vigas celulares mistas à instabilidade no montante de alma
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Engenharia Civil - PPGECivCâmpus São Carlos, 2021-06-07)
The present work aims to investigate the web post buckling resistance of composite cellular beams. For this task, geometrical and physical non-linear analyses are developed in the ABAQUS® software. The computational model ...
Aplicação em fábrica de ensaios não destrutivos em lajes alveolares protendidas para a verificação da conformidade de projeto
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Engenharia Civil - PPGECivCâmpus São Carlos, 2021-07-14)
To obtain the strength supported by hollow core slabs it is necessary to perform standardized destructive tests, and in these tests it is possible to verify the product's compliance with the design. ABNT NBR 14861 (2011) ...