Influencia del uso de metacaolín y el humo de sílice en el desarrollo de la resistencia a compresión del hormigón de altas prestaciones y su relación con la microestructura = Influence of metakaolin and silica fume in the development of compressive strength of high performance concrete and its relationship with the microstructure

Autor: Julio A. Paredes, Jaime C. Gálvez, Marcos G. Alberti, Alejandro Enfedaque

Publikováno v: Anales de Edificación, Vol 6, Iss 1, Pp 70-76 (2020)

Research developed in the last decades has allowed significant advances in the concrete technology, achieving remarkable improvements in its performancemainly related to its microstructure. In order to relate the behaviour under compressive stresses

Externí odkaz: https://doaj.org/article/c8316b53137b4d6bab34a605fb84197c

Técnicas aceleradas para evaluar la susceptibilidad a corrosión de aceros embebidos en morteros con adiciones minerales expuestos a cloruros

Autor: Einner Peralta Muñoz, Ana María Aguirre, Ruby Mejía de Gutiérrez

Publikováno v: Informador Técnico, Vol 79, Iss 2, Pp 137-145 (2015)

Este artículo estudia el comportamiento a la corrosión de morteros reforzados de cemento portland, sin adiciones y con adiciones de metacaolín (MK) y humo de sílice (SF), en presencia de cloruros. La proporción de la adición utilizada en las me

Externí odkaz: https://doaj.org/article/02c8ccfa7749433f93cddbcc73794d39

Influencia de la variación de los materiales puzolánicos en el comportamiento mecánico de Engineered Cementitious Composites

Autor: Ehrenbring, Hinoel Zamis, Moreira, Gian de Fraga, Pacheco, Fernanda, Christ, Roberto, Simonetti, Camila, Tutikian, Bernardo Fonseca

Publikováno v: Research, Society and Development; Vol. 11 No. 7; e37511729927
Research, Society and Development; Vol. 11 Núm. 7; e37511729927
Research, Society and Development; v. 11 n. 7; e37511729927
Research, Society and Development
Universidade Federal de Itajubá (UNIFEI)
instacron:UNIFEI

Studies involving Engineered Cementitious Composites (ECC) started more than 30 years ago and are still under constant development. ECC has superior mechanical properties when compared to conventional concretes, mainly the characteristics related to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::6bc954fe422de36854ebb826a693cd3c
https://rsdjournal.org/index.php/rsd/article/view/29927

Temperature and particle concentration influence on the complex viscous behavior of a hydrophilic fumed silica suspension

Autor: Fernández-Díaz, E., Rubio-Hernandez, Francisco Jose, Velazquez-Navarro, Jose Francisco

Publikováno v: RIUMA. Repositorio Institucional de la Universidad de Málaga
instname

Shear-thinning behavior (decrease of the apparent steady viscosity with shear) due to breaking of weak particle flocs and posterior alignment of individual particles in layers parallel to the flow direction is usually observed before the appearance o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=RECOLECTA___::675a4236c9aa5e4c04ba51ffe2860667
https://hdl.handle.net/10630/24063

Hormigón de alta resistencia con agregados naturales, humo de sílice y macrofibras de polipropileno

Autor: Ramón Torres-Ortega, Edgar Quiñonez-Bolaños, Candelaria Tejada-Tovar, Yineth García-Díaz, Ibeth Cabarcas-Torres

Publikováno v: Ciencia e Ingeniería Neogranadina, Vol 31, Iss 2 (2021)
Ciencia e Ingenieria Neogranadina; Vol. 31 No. 2 (2021); 27-40
Ciencia e Ingeniería Neogranadina; Vol. 31 Núm. 2 (2021); 27-40
Ciencia e Ingeniería Neogranadina; v. 31 n. 2 (2021); 27-40

The use of concrete with polypropylene macrofibers can reduce the fragility and shrinkage of silica fume mixtures. Here, we investigated the effect silica fumes and aggregates have on enhancing high-performance concrete with polypropylene macrofibers

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ff745ecd1b3ff7752988d6099e2b8ff
https://revistas.unimilitar.edu.co/index.php/rcin/article/view/4394