Moisés Frı́as
YOU?
Author Swipe
View article: Effect of Use of Alkaline Waste Materials as a CO2 Sink on the Physical and Mechanical Performance of Eco-Blended Cement Mortars—Comparative Study
Effect of Use of Alkaline Waste Materials as a CO2 Sink on the Physical and Mechanical Performance of Eco-Blended Cement Mortars—Comparative Study Open
This research paper provides new insights into the impact of accelerated mineralization of alkaline waste materials on the physical and mechanical behavior of low-carbon cement-based mortars. Standardized eco-cement mortars were prepared b…
View article: Advances in understanding R3 chemical reactivity in various traditional and emerging pozzolans: Chemical, mineralogical and calorimetric dimensions
Advances in understanding R3 chemical reactivity in various traditional and emerging pozzolans: Chemical, mineralogical and calorimetric dimensions Open
Development of the ASTM C1897-based R test facilitates faster, more accurate and more effective assessment of the chemical reactivity of natural and industrial pozzolans. While this methodology has been validated for conventional pozzolans…
View article: New Eco-Cements Made with Marabou Weed Biomass Ash
New Eco-Cements Made with Marabou Weed Biomass Ash Open
Biomass ash is currently attracting the attention of science and industry as an inexhaustible eco-friendly alternative to pozzolans traditionally used in commercial cement manufacture (fly ash, silica fume, natural/calcined pozzolan). This…
View article: Improving mortar properties using traditional ceramic materials ground to precisely controlled sizes
Improving mortar properties using traditional ceramic materials ground to precisely controlled sizes Open
The present work investigates the impact of particle size reduction of traditional ceramic materials as partial substitutes for Portland cement in mortars. Ceramic brick, ceramic tile, and stoneware were selected, with three particle sizes…
View article: Valorization of Fine-Fraction CDW in Binary Pozzolanic CDW/Bamboo Leaf Ash Mixtures for the Elaboration of New Ternary Low-Carbon Cement
Valorization of Fine-Fraction CDW in Binary Pozzolanic CDW/Bamboo Leaf Ash Mixtures for the Elaboration of New Ternary Low-Carbon Cement Open
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 pozzola…
View article: Viability of using limestone concrete waste from CDW to produce ternary cements type LC3
Viability of using limestone concrete waste from CDW to produce ternary cements type LC3 Open
This paper analyzes manufacture of a new eco-cement (reduced CO footprint and LC clinker content) by replacing natural limestone with fine limestone concrete demolition waste (CDW). The ternary cement's content was partially replaced by a …
View article: Analysis of the Microstructure and Porosity of Cement Pastes with Functionalized Nanosilica with Different Contents of Aminosilane
Analysis of the Microstructure and Porosity of Cement Pastes with Functionalized Nanosilica with Different Contents of Aminosilane Open
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 re…
View article: Physical and Mechanical Behavior of New Ternary and Hybrid Eco-Cements Made from Construction and Demolition Waste
Physical and Mechanical Behavior of New Ternary and Hybrid Eco-Cements Made from Construction and Demolition Waste Open
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 conven…
View article: Hydration, mechanical performance and porosity of Portland cement pastes with functionalized nanosilica with APTES
Hydration, mechanical performance and porosity of Portland cement pastes with functionalized nanosilica with APTES Open
This study reports on the microstructure of Portland cement pastes with nanosilica (NS) and aminofunctionalized nanosilica (NSF). For this, NSF dispersion was prepared in a two-phase reaction system, consisting\nof an aqueous dispersion wi…
View article: Physical and Chemical Effects in Blended Cement Pastes Elaborated with Calcined Clay and Nanosilica
Physical and Chemical Effects in Blended Cement Pastes Elaborated with Calcined Clay and Nanosilica Open
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 t…
View article: Concrete/Glass Construction and Demolition Waste (CDW) Synergies in Ternary Eco-Cement-Paste Mineralogy
Concrete/Glass Construction and Demolition Waste (CDW) Synergies in Ternary Eco-Cement-Paste Mineralogy Open
The study described sought further understanding of the synergies in a mix of CDW pozzolans, containing (calcareous and siliceous) concrete and glass waste, used to prepare ternary eco-cement paste bearing 7% of the binary blend at concret…
View article: Durability of Construction and Demolition Waste-Bearing Ternary Eco-Cements
Durability of Construction and Demolition Waste-Bearing Ternary Eco-Cements Open
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 Po…
View article: Reactivity of Binary Construction and Demolition Waste Mix as Supplementary Cementitious Materials
Reactivity of Binary Construction and Demolition Waste Mix as Supplementary Cementitious Materials Open
Calcareous and siliceous CDW wastes from concrete and glass wastes when mixed in binary mixtures has been analyzed in this study. Fine CDW fractions (<5 mm) of different sorts are selected: siliceous waste (HsT), calcareous waste (HcG) and…
View article: Reactivity in cement pastes bearing fine fraction concrete and glass from construction and demolition waste: Microstructural analysis of viability
Reactivity in cement pastes bearing fine fraction concrete and glass from construction and demolition waste: Microstructural analysis of viability Open
Converting construction and demolition waste (CDW) into secondary raw materials is one of the priorities of environmental policy and circular economy strategy. This study analysed the variation in eco-efficient paste reactivity with OPC re…
View article: Exploring night and day socio-spatial segregation based on mobile phone data: The case of Medellin (Colombia)
Exploring night and day socio-spatial segregation based on mobile phone data: The case of Medellin (Colombia) Open
Social segregation research has a long tradition in urban studies. Usually, these studies focus on the residential dimension, using official registries (e.g., census data), which show population distribution at night. Nevertheless, these s…
View article: Quantitative Comparison of Binary Mix of Agro-Industrial Pozzolanic Additions for Elaborating Ternary Cements: Kinetic Parameters
Quantitative Comparison of Binary Mix of Agro-Industrial Pozzolanic Additions for Elaborating Ternary Cements: Kinetic Parameters Open
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 ac…
View article: Behaviour and Properties of Eco-Cement Pastes Elaborated with Recycled Concrete Powder from Construction and Demolition Wastes
Behaviour and Properties of Eco-Cement Pastes Elaborated with Recycled Concrete Powder from Construction and Demolition Wastes Open
This work analyses the influence of fine concrete fractions (<5 mm) of different natures —calcareous (HcG) and siliceous (HsT)—obtained from construction and demolition waste (C&DW) on the behaviour of blended cement pastes with partial re…
View article: Laboratory-scale study and semi-industrial validation of viability of inorganic CDW fine fractions as SCMs in blended cements
Laboratory-scale study and semi-industrial validation of viability of inorganic CDW fine fractions as SCMs in blended cements Open
The construction industry and more particularly cement manufacture industry are European Green Deal strategic priorities for the circularity of Europe’s construction and demolition waste (CDW) stream with a view to reducing CO2 emissions. …