Zobrazeno 1 - 10
of 267
pro vyhledávání: '"Moisés Frías"'
Publikováno v:
Resources, Vol 13, Iss 7, p 100 (2024)
This paper presents the characterization of a binary mixture of construction and demolition waste (CDW) and bamboo leaf ash (BLAsh) calcined at 600 °C (novel mixture) and the study of its pozzolanic behavior. Different dosages in a pozzolan/Ca(OH)2
Externí odkaz:
https://doaj.org/article/af64b6bf83e140c899ffca9582d33461
Autor:
Julliana Simas Vasconcellos, Yuri Sotero Bomfim Fraga, João Henrique da Silva Rêgo, Patrícia Pommé Confessori Sartoratto, Moisés Frías Rojas
Publikováno v:
Developments in the Built Environment, Vol 14, Iss , Pp 100157- (2023)
This study reports on the microstructure of Portland cement pastes with nanosilica (NS) and amino-functionalized nanosilica (NSF). For this, NSF dispersion was prepared in a two-phase reaction system, consisting of an aqueous dispersion with dichloro
Externí odkaz:
https://doaj.org/article/14b93f8f0b7e4746b710689e5349314f
Autor:
Gabriel Lima Oliveira Martins, Yuri Sotero Bomfim Fraga, Andréia de Paula, João Henrique da Silva Rêgo, Amparo Moragues Terrades, Moisés Frías Rojas
Publikováno v:
Materials, Vol 16, Iss 16, p 5675 (2023)
This research aims to analyze the effect of functionalized nanosilica (NSF) with different levels of amine groups in the formation of hydration products. Four cement pastes were investigated, one reference with Portland cement and three replacing 1%
Externí odkaz:
https://doaj.org/article/b2e12b9204414b469dacfbd1a764d3d3
Publikováno v:
Materials, Vol 16, Iss 8, p 3093 (2023)
Construction and demolition waste (CDW) currently constitutes a waste stream with growing potential use as a secondary raw material in the manufacture of eco-cements that offer smaller carbon footprints and less clinker content than conventional ceme
Externí odkaz:
https://doaj.org/article/539281af4f1046b5b88285c7239b6fdf
Autor:
Divino Gabriel Lima Pinheiro, Matheus Ian Castro Sousa, Fernando Pelisser, João Henrique da Silva Rêgo, Amparo Moragues Terrades, Moisés Frías Rojas
Publikováno v:
Materials, Vol 16, Iss 5, p 1837 (2023)
Supplementary cementitious materials (SCMs) are commonly used in the manufacture of commercial cements with lower clinker content and carbon footprints, enabling environmental and performance improvements. The present article evaluated a ternary ceme
Externí odkaz:
https://doaj.org/article/60a0fe7215ff4d0bad4f0cedf965d3bb
Publikováno v:
International Journal of Concrete Structures and Materials, Vol 13, Iss 1, Pp 1-8 (2019)
Abstract Non-fossil alternative fuels from biomass (agro-industrial, forestry and fodder plants) focus on getting cleaner, cheaper and more environmentally friendly energy sources directly related to the sustainable development of future societies. T
Externí odkaz:
https://doaj.org/article/8be79a77f0c24d018eecddca71bda24c
Autor:
Jaime Moreno-Juez, Laura Caneda-Martínez, Raquel Vigil de la Villa, Iñigo Vegas, Moisés Frías
Publikováno v:
Materials, Vol 15, Iss 8, p 2921 (2022)
In recent years, the development of ternary cements has become a priority research line for obtaining cements with a lower carbon footprint, with the goal to contribute to achieve climate neutrality by 2050. This study compared ordinary Portland ceme
Externí odkaz:
https://doaj.org/article/32c87457a6814e499b4694f6a83d47c7
Autor:
Raquel Vigil de la Villa Mencía, Moisés Frías Rojas, Sagrario Martínez-Ramírez, Lucía Fernández-Carrasco, Ernesto Villar Cociña, Rosario García-Giménez
Publikováno v:
Materials, Vol 14, Iss 21, p 6481 (2021)
Calcareous and siliceous CDW wastes from concrete and glass wastes when mixed in binary mixtures has been analyzed in this study. Fine CDW fractions (
Externí odkaz:
https://doaj.org/article/898b2d3b8b5f4bad9467a608708ef50c
Autor:
Ernesto Villar-Cociña, Moisés Frías, Holmer Savastano, Loic Rodier, María Isabel Sánchez de Rojas, Isabel Fuencisla Sáez del Bosque, César Medina
Publikováno v:
Materials, Vol 14, Iss 11, p 2944 (2021)
In this research work, the quantitative characterization of a binary blend comprised of two pozzolans (sugar cane straw (SCSA)–sugar cane bagasse ashes (SCBA), bamboo leaf ash (BLAsh)–SCBA and paper sludge (PS)–fly ash (FA)) taking into account
Externí odkaz:
https://doaj.org/article/bc9cb3d61f8944a5b621f714b14b9f5e
Autor:
Laura Caneda-Martínez, Manuel Monasterio, Jaime Moreno-Juez, Sagrario Martínez-Ramírez, Rosario García, Moisés Frías
Publikováno v:
Materials, Vol 14, Iss 5, p 1299 (2021)
This work analyses the influence of fine concrete fractions (
Externí odkaz:
https://doaj.org/article/527d716124e849d18a0d4bbac09da75b