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Propriedades mecânicas de concretos com diferentes cimentos Portland e com cinza de casca de arroz natural e moída
(Universidade Federal de Santa MariaBREngenharia CivilUFSMPrograma de Pós-Graduação em Engenharia Civil, 2012-06-22)
Due to high rates of emissions of carbon dioxide released in cement production, an
alternative to minimize this pollution is the use of rice husk ash in concrete as partial cement
replacement. This research aims to ...
Portland cement/acrocomia aculeata endocarp bricks: Thermal insulation and mechanical properties
(2020-05-01)
In the last few decades, Portland/residue composites have been researched due to their technological and environmental advantages. In this study, residues of Acrocomia aculeata (Jacq.) Lodd endocarp (AE) were introduced ...
Reaction rate and product morphology in carbon composite iron ore pellets with and without Portland cement
(MANEY PUBLISHING, 2010)
The aim of this work is to study the reaction rate and the morphology of intermediate reaction products during iron ore reduction when iron ore and carbonaceous materials are agglomerated together with or without Portland ...
Portland cement use in dental root perforations: a long term followup
(2014)
Root canal and furcal perforations are causes of endodontic therapy failure and different materials that stimulate tissue mineralization have been proposed for perforation treatment. In the first case, a patient presented ...
Desenvolvimento de pastas cimentantes utilizando cimentos portland compostos para cimentação de poços petrolíferos
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Ciência e Engenharia do PetróleoPesquisa e Desenvolvimento em Ciência e Engenharia de Petróleo, 2014)
Possibilities of reusing sugar cane straw ash in the production of alternative binders
(2016-01-01)
Sugar cane production is increasing in Brazil due the demand in manufacturing sugar and alcohol. During production process, several wastes are generated, such as sugar cane straw. After a burning process of this waste ...
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 ...