Buscar
Mostrando ítems 41-50 de 1138
Análise microestrutural de concretos com substituição parcial de cinza de casca de arroz em altas temperaturas
(Universidade Federal de Santa MariaBrasilUFSMCentro de Tecnologia, 2021-01-21)
The usage of supplementary cementitious materials, such as rice husk ash (RHA), as a partial replacement of Portland cement is commonly studied and at room temperature may provide mechanical strength and durability to ...
Permeabilidade ao ar do concretoAir permeability of concrete
([s.n.], 2011)
The performance of a migrating corrosion inhibitor suitable for reinforced concrete
(Springer, 2003-12)
The protection provided by a migrating corrosion inhibitor (MCI) based on an alkylaminoalcohol was tested on concrete specimens containing reinforcing steel bar (rebar) segments. Two inhibitor dosages were investigated, ...
Implementation of different technics for the monitoring of reinforced concretes corrosion applied to rebar embedded in concretes with ordinary and pozzolanic Portland cement
(Elsevier, 2015-08)
For the development of an intermediate radioactive waste repository, two different types of reinforced concrete were analyzed in terms of durability: one made with ordinary portland cement and the other one made with ...
Concreto permeável com agregado reciclado para uso em pavimentação
(Universidade Tecnológica Federal do ParanáCuritibaBrasilCurso de Engenharia CivilUTFPR, 2017-07-03)
Civil construction is the activity with the largest volume of solid waste generation in the world, and also responsible for a considerably part of the mineral extraction nowadays. One of the main products of this industry, ...
Estudo da confiabilidade estrutural no dimensionamento de vigas de concreto armado submetidas à flexão simples
(Universidade Tecnológica Federal do ParanáGuarapuavaBrasilEngenharia CivilUTFPR, 2019-12-06)
The structural reliability study enables the consideration of uncertainties inherent to the various design parameters, in order to determine the security levels on which a certain structure is submitted to, through its ...
Retração em concreto autoadensável: contribuição de produtos mitigadores
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilPrograma de Pós-Graduação em Engenharia CivilUTFPR, 2016-11-04)
Self-compacting concrete (CAA) is the concrete of the future for increasing the performance and reducing noise and risk of accidents in the works, besides allowing the execution of slender elements or with a high rate of ...