Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Neusa Aparecida Munhak Beltrame"'
Autor:
Neusa Aparecida Munhak Beltrame, Vitor Lorival Kudlanvec Junior, Rafaela Souto, Amanda Venancio Trisotto, João Cláudio Nascimento da Silva, Ronaldo Alves de Medeiros-Junior
Publikováno v:
Revista IBRACON de Estruturas e Materiais, Vol 17, Iss 1 (2024)
Abstract This research aimed to evaluate the resistance to sodium and magnesium sulfates of geopolymeric mortars, prepared with different proportions of alkaline activators of silicate and sodium hydroxide (Ma), Na2O content in relation to metakaolin
Externí odkaz:
https://doaj.org/article/fc8f247826b240fc961c7d58c22ab19c
Autor:
Allan Guimarães Borçato, Neusa Aparecida Munhak Beltrame, Tassiane Apolinário de Oliveira, Ronaldo Alves de Medeiros-Junior
Publikováno v:
Revista IBRACON de Estruturas e Materiais, Vol 18, Iss 1 (2024)
Abstract This study investigated the effect of dolomitic lime incorporation on the microstructure and mechanical properties of metakaolin-based geopolymers activated by alkaline solution. Five geopolymer mixtures were prepared with the addition of 0.
Externí odkaz:
https://doaj.org/article/390650e8e81f479b85f6322e497b3c7b
Autor:
Neusa Aparecida Munhak Beltrame, Ronaldo Alves de Medeiros-Junior, Roberto Luiz Dias, Franky Bruno Witzke
Publikováno v:
Revista IBRACON de Estruturas e Materiais, Vol 17, Iss 1 (2023)
Abstract Carbonation curing differs from weathering carbonation since it is performed intentionally at the early ages of cement hydration. This cure involves applying different levels of CO2 (5% to 99%) to concrete for a short period of time, usually
Externí odkaz:
https://doaj.org/article/a13ac51ca04844d4a61921197e95578f
Autor:
Neusa Aparecida Munhak Beltrame, Ronaldo Alves de Medeiros-Junior, Roberto Luiz Dias, Franky Bruno Witzke
Publikováno v:
Revista IBRACON de Estruturas e Materiais, Volume: 17, Issue: 1, Article number: e17110, Published: 26 MAY 2023
Carbonation curing differs from weathering carbonation since it is performed intentionally at the early ages of cement hydration. This cure involves applying different levels of CO2 (5% to 99%) to concrete for a short period of time, usually followed
Autor:
Roberto Luiz Dias, Neusa Aparecida Munhak Beltrame, Jordi Rius Gonzalez, Ronaldo Alves Medeiros-Junior
Publikováno v:
Revista IBRACON de Estruturas e Materiais. 16
Carbonation curing alters the characteristics of the concrete's microstructure and can interfere with the penetration of aggressive ions. The objective of this article was to evaluate the influence of CO2 pressure and carbonation cure time on chlorid
Autor:
Franky Bruno Witzke, Neusa Aparecida Munhak Beltrame, Caroline Angulski da Luz, Ronaldo A. Medeiros-Junior
Publikováno v:
Wear. :204655
Publikováno v:
Congresso Brasileiro de Patologia das Construções.
Autor:
C. Angulski da Luz, A. C Bergamann, Neusa Aparecida Munhak Beltrame, A. P. Santos, J. F. Biava
Publikováno v:
Caderno especial dos melhores artigos do Congresso Brasileiro do Concreto.
Autor:
Ronaldo A. Medeiros Junior, Mariana Perardt, Neusa Aparecida Munhak Beltrame, Caroline Angulski da Luz
Publikováno v:
Simpósio Paranaense de Patologia das Construções.
O cimento Portland (CP) e um produto industrializado e seu processo de fabricacao nao e apenas consumidor de energia, mas tambem responsavel por grandes emissoes de CO 2 . Desta forma, os cimentos alcali-ativados (CAA) estao ganhando atencao pelo bom