Buscar
Mostrando ítems 11-20 de 5327
Recycled Concretes Made with Waste Ready-Mix Concrete as Coarse Aggregate
(American Society of Civil Engineers, 2011-03)
Using waste materials for new products is a global trend undergoing rapid development. Recycling materials allows for a more efficient life cycle and contributes to environmental protection. In the construction field, this ...
Implementación del Nordtest Method 492 para la determinación de la durabilidad del concreto reciclado
(Universidad de La Salle. Facultad de Ingeniería. Ingeniería Ambiental y Sanitaria, 2016)
Estudo de caso: resistência de compressão diametral de tubos de concreto de 40 cm de diâmetro com e sem armação
(Universidade Tecnológica Federal do ParanáToledoBrasilEngenharia CivilUTFPR, 2019-11-13)
Circular section concrete pipes are widely used in sanitation constructions in Brazil, mainly for rainwater and sewage conduction, and they can be produced in simple or reinforced concrete. Because of this, there is a need ...
Contribuição ao estudo de aceleração de desenvolvimento de resistência do concreto visando á indústria de pré-fabricados
(Universidade Tecnológica Federal do ParanáPato BrancoConstrução Civil, 2014-12-01)
The construction industry has been growing requiring improvements in the performance of materials, procedures and human resources. In order to improve concrete performance in the first ages, strategies have been used, among ...
Characterization and reuse of spent foundry sand in the production of concrete for interlocking pavement
(2021-04-01)
This paper presents the characterization of spent foundry sand mixtures (SFS-M) and a new use in the production of concrete blocks for interlocking pavement. Cylindrical and hexagonal concrete blocks were made with the ...
Behavior of concrete and mortar in response to the inclusion of toxic Jatropha seed cake
(2018-02-01)
As the world's leading civil construction materials, concrete and mortar are the focus of ongoing studies aimed at improving their properties. These materials are highly versatile; hence, some of their aspects, such as ...
Blocos de concreto para pavimentação intertravada com adição de sílica ativa
(Universidade Tecnológica Federal do ParanáCampo MouraoBrasilDepartamento Acadêmico de Construção CivilEngenharia CivilUTFPR, 2015-06-18)
The addition of silica fume in high performance concrete for structural purposes has been widely studied over the last years, in order to reduce the cross section dimensions of the columns. Regarding to the precast concrete ...
Esclerometria como ferramenta de controle de qualidade para peças de concreto para pavimentação
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de Construção CivilEngenharia CivilUTFPR, 2015-11-17)
Although the term quality control has grown tremendously in recent centuries, it’s possible to see that humanity has always been concerned with this type of control, for example the Egyptian embalming. However, it is ...
Avaliação da resistência à compressão do concreto usinado: comparação entre o método de moldagem remota e moldagem in loco
(Universidade Tecnológica Federal do ParanáPato BrancoConstrução Civil, 2014-12-02)
The use of ready-mixed concrete is increasing in the last decades, as the pressure from the market to use a high quality product, using less storage spaces and less production of residuals also increased. For the quality ...