Rheological and the fresh state properties of alkali-activated mortars by blast furnace slag

MT Marvila, ARG Azevedo, PR Matos, SN Monteiro… - Materials, 2021 - mdpi.com
The fresh and rheological properties of alkali mortars activated by blast furnace slag (BFS)
were investigated. Consistency tests, squeeze flow, dropping ball, mass density in the …

[HTML][HTML] Durability of coating mortars containing açaí fibers

MT Marvila, ARG Azevedo, D Cecchin, JM Costa… - Case studies in …, 2020 - Elsevier
Mortars with external coating are often subjected to situations of sudden degradation, such
as heat stroke, salt attack in coastal environments, or rain. Therefore, the objective of this …

Circular economy in cementitious ceramics: Replacement of hydrated lime with a stoichiometric balanced combination of clay and marble waste

MT Marvila, ARG de Azevedo… - … Journal of Applied …, 2021 - Wiley Online Library
Cementitious ceramics, produced from the hydration of cement and hydrated lime, are
responsible for a great deal of damage to the environment due to the high emission of CO2 …

[HTML][HTML] Guaruman fiber: A promising reinforcement for cement-based mortars

ARG Azevedo, TES Lima, RHM Reis… - Case Studies in …, 2022 - Elsevier
Guaruman fiber is a natural lignocellulosic fiber (NFL) extracted from the stalk of an Amazon
plant (Ishinosiphon Koern), in the northern region of Brazil. The present work investigates …

Application of machine learning approaches to predict the strength property of geopolymer concrete

R Cao, Z Fang, M Jin, Y Shang - Materials, 2022 - mdpi.com
Geopolymer concrete (GPC) based on fly ash (FA) is being studied as a possible alternative
solution with a lower environmental impact than Portland cement mixtures. However, the …

[HTML][HTML] Evaluation of the feasibility application of Malva fibers in cement-based composites

TES Lima, LUDT Júnior, LFC Nascimento… - Journal of Materials …, 2023 - Elsevier
The use of natural fibers as reinforcement in cementitious composites has been explored as
an alternative to the development of new materials for civil construction. Research that …

[HTML][HTML] Non-linear finite-element investigation of the parameters affecting externally-bonded FRP flexural-strengthened RC beams

A Godat, O Chaallal, Y Obaidat - Results in Engineering, 2020 - Elsevier
This paper presents a three-dimensional non-linear finite-element model developed to
simulate the behaviour of reinforced-concrete (RC) beams strengthened in flexure with …

Validation of alternative methodologies by using capillarity in the determination of porosity parameters of cement-lime mortars

MT Marvila, ARG de Azevedo, RLS Ferreira… - Materials and …, 2022 - Springer
The capillary mechanisms in mortars were investigated in this study by using different
cement-lime mortar compositions commonly used in coatings and repair mortars. Two types …

[PDF][PDF] Effect of the addition of the natural and treated açaí stone in structural mortars.

G Pereira Monteiro, AR Garcez de Azevedo… - AIMS Materials …, 2021 - aimspress.com
Effect of the addition of the natural and treated açaí stone in structural mortars Page 1 AIMS
Materials Science, 8(4): 608–621. DOI: 10.3934/matersci.2021037 Received: 12 March 2021 …

Study of Cement-Based Mortars Reinforced with Guaruman Fibers in the Fresh State

TES Lima, LB Oliveira, VS Candido, ACR Silva… - TMS Annual Meeting & …, 2023 - Springer
Guaruman fiber is a natural lignocellulosic fiber (NFL) extracted from the stalk of an Amazon
plant (Ishinosiphon Koern) in the northern region of Brazil. The present work investigates the …