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Estudo do efeito dos diferentes tipos de cimento Portland nacionais na resistência à compressão do UHPC
(Universidade Tecnológica Federal do ParanáToledoBrasilEngenharia CivilUTFPR, 2019-06-12)
UHPC (Ultra high performance concrete) refers to a specific concrete composed by cement, silica fume, quartz sand, water and other additives that due to its particles being tightly packed, it achieves higher resistances ...
Autocicatrização do concreto com diferentes tipos de cimentos em interação com catalizador cristalino
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em Engenharia CivilUTFPR, 2019-06-26)
In a concrete structure, there are microcracks and cracks that have expected or unexpected characteristics. These microcracks may will be the way to external agents with degradation effect. For this reason, there is a need ...
Estudo da substituição de areia natural por areia de arenito em concretos de cimento Portland
(Universidade Tecnológica Federal do ParanáCuritibaDepartamento Acadêmico de Construção Civil, 2011-10-11)
The inputs of Portland cement concrete, in the case of natural aggregates, when the extraction of environmental imbalance and generate degrade nature, this work is a study to verify the replacement of natural fine aggregate, ...
Análise experimental comparativa entre concretos de pós reativos dosados pelos modelos de Alfred e Andreasen
(Universidade Tecnológica Federal do ParanáCuritibaDepartamento Acadêmico de Construção Civil, 2012-09-14)
Concrete is one of the most widely used materials in the construction industry worldwide. Over the years, studies and research are conducted in order to improve their physical and mechanical properties. The concrete reactive ...
Investigação do custo-benefício da utilização de pavimentos asfálticos e de concreto de cimento Portland orçados através do Sicro
(Universidade Federal de Santa MariaBrasilUFSMCentro de Tecnologia, 2022-08-24)
Updating concrete drying-shrinkage prediction models for local materials
(AMER CONCRETE INST, 2004)
This paper addresses the need to update existing concrete drying-shrinkage prediction models to reflect local materials. The experimental program was carried out using eight concrete mixtures of similar strength, manufactured ...
Análise da temperatura da cura à vapor sobre as resistências inicial e final do concreto pré-fabricado
(Universidade Tecnológica Federal do ParanáCuritibaDepartamento Acadêmico de Construção Civil, 2012-11-21)
The dismemberment of this work is the evaluation of accelerating the healing process of precast concrete, with respect to the maturity method, which in this case is subject to the application of steam in the play. Results ...
Identificação das manifestações patológicas em reservatório de água executado em concreto armado em condomínio unifamíliar: estudo de caso
(Universidade Tecnológica Federal do ParanáCuritiba, 2014-05-30)
Previously it was believed that all structural materials used in construction had everlasting durability. Today, though this view is no longer a reality. The Portland cement concrete, being the most widely used construction ...
Efeitos da temperatura da água de amassamento na resistência do concreto
(Universidade Tecnológica Federal do ParanáCuritibaDepartamento Acadêmico de Construção Civil, 2013-04-22)
There are observed many studies “o the influence of environmental temperature and cure temperature on the properties of hardened concrete, however, considering the importance of temperature influence on the development of ...