Explanipedia

Valorization of Glass Fiber Waste (VCAS) as a Precursor in Alkali-Activated Systems Cured at Room Temperature–Influence of SiO2/Na2O Molar Ratio Open

Mauro M. Tashima, Lourdes Soriano, Ester Giménez-Carbó, J. Monzó, M.V. Borrachero , et al. · 2025

Alkali-activated materials are a promising alternative for reducing CO2 emissions and raw materials consumption due to their capacity to reuse waste materials. In this study, glass fiber-derived waste (vitreous calcium aluminosilicate, VCA…

Influence of Portland cement and sewage sludge ash additions on metakaolin-based geopolymers Open

Danilo Bordan Istuque, Lourdes Soriano, M.V. Borrachero, Rodrigo Garozi da Silva, Jorge Luís Akasaki , et al. · 2025

Eco-Pozzolans as Raw Material for Sustainable Construction Industry: Comparative Evaluation of Reactivity Through Direct and Indirect Methods Open

Gabriela Pitolli Lyra, Afonso José Felício Peres Duran, Mauro M. Tashima, M.V. Borrachero, Lourdes Soriano , et al. · 2024

A solution to reduce the consumption of raw materials and the generation of greenhouse gases is the partial replacement of clinker (the main constituent of cement) with supplementary cementitious materials. This study aimed to compare the …

Influence of sugar cane straw ash in metakaolin-based geopolymers Open

J.C.B. Moraes, Maria Júlia Bassan de Moraes, J.P.B. Batista, Jorge Luís Akasaki, Alba Font , et al. · 2024

Consequential life cycle assessment of bamboo leaf ash generation: A Brazilian context Open

Camila Cassola Assunção, Felipe de Almeida Spósito, Ricardo Mateus, Mauro M. Tashima, Cristiane Bueno , et al. · 2024

Innovative utilization of agro-industrial by-products: Bamboo leaf ash as a pozzolanic material for extruded fiber cement composites Open

Maria Júlia Bassan de Moraes, Ronaldo Soares Teixeira, R.H. Filomeno, Fábulo Ribeiro Monteiro, Paulo Renato Orlandi Lasso , et al. · 2024

Use of spent fluid catalytic cracking catalyst (FCC) in Limestone Calcined Clay Cement (LC3) systems: Studies in pastes and mortars Open

P. Vargas, Lourdes Soriano, M.V. Borrachero, Jorge Iván Tobón, J. Payá , et al. · 2024

[EN] This study evaluates the substitution of calcined clay for a waste from the petrochemical industry, spent fluid catalytic cracking catalyst (FCC), as a source of reactive aluminosilicates in Limestone Calcined Clay Cements (LC3) syste…

Influence of Accelerators on Cement Mortars Using Fluid Catalytic Cracking Catalyst Residue (FCC): Enhanced Mechanical Properties at Early Curing Ages Open

Lourdes Soriano, M.V. Borrachero, Ester Giménez-Carbó, Mauro M. Tashima, J. Monzó , et al. · 2024

Supplementary cementitious materials (SCMs) have been used in the construction industry to mainly reduce the greenhouse gas emissions associated with Portland cement. Of SCMs, the petrochemical industry waste known as fluid catalytic crack…

Reusing Ceramic Waste as a Precursor in Alkali-Activated Cements: A Review Open

Lourdes Soriano, Mauro M. Tashima, Lucía Reig, J. Payá, M.V. Borrachero , et al. · 2023

Concrete and ceramic products are among the most widely used materials in the construction sector. The production of ceramic materials has significantly grown in recent years. Concrete is one of the most widely used materials worldwide and…

New insights on understanding the Portland cement hydration using electrical impedance spectroscopy Open

Marcelo Bortoletto, Aléx Otávio Sanches, Juzélia Santos, Rodrigo Garozi da Silva, Mauro M. Tashima , et al. · 2023

Study on binary and ternary systems with cement, hydrated lime and fly ash: thermogravimetric analysis, mechanical analysis and durability behaviour Open

P. Lorca, Lourdes Soriano, M.V. Borrachero, J. Monzó, Mauro M. Tashima , et al. · 2023

The use of high percentages of substitution of Portland cement by pozzolans can provoke the total consumption of portlandite. The present research proposes the study of ternary systems of Portland cement (PC), fly ash (FA), and hydrated li…

Evaluation of Thermochemical Treatments for Rice Husk Ash Valorisation as a Source of Silica in Preparing Geopolymers Open

N. Bouzón, Alba Font, M.V. Borrachero, Lourdes Soriano, J. Monzó , et al. · 2023

The use of geopolymers has revolutionized research in the field of construction. Although their carbon footprint is often lower than that of traditional mortars with Portland cement, activators such as sodium silicate have a high environme…

Effect of Aggregates Packing with the Maximum Density Methodology in Pervious Concrete Open

Karina H. Arcolezi, Rodrigo Garozi da Silva, Lourdes Soriano, M.V. Borrachero, J. Monzó , et al. · 2023

The granulometric distribution of the aggregates used in pervious concrete can significantly impact its mechanical and hydraulic properties by modifying granular skeleton and pore distribution. The unit weight increases when single-sized a…

Towards the valorization of Cumbre Vieja volcanic ash – Production of alternative cements Open

Mauro M. Tashima, Lourdes Soriano, M.V. Borrachero, J. Monzó, J. Payá · 2023

[EN] One of the most critical issues after a volcanic eruption is managing damaged infrastructure and human health. This study aims to promote the valorization of non-weathered volcanic ash (VA) from the Cumbre Vieja volcano (La Palma Isla…

Impedance Spectroscopy as a Methodology to Evaluate the Reactivity of Metakaolin Based Geopolymers Open

Danilo Bordan Istuque, Aléx Otávio Sanches, Marcelo Bortoletto, José Antônio Malmonge, Lourdes Soriano , et al. · 2022

The aim of this study was to use the electrical impedance spectroscopy technique (IS) to carry out a systematic study on the mechanism of metakaolin geopolymerization for up to 7 curing days. The study was developed on two batches of metak…

INFLUÊNCIA DA COBERTURA DO SOLO EM ÁREAS DE PRESERVAÇÃO PERMANENTE SOBRE EVENTOS DE INUNDAÇÕES A JUSANTE DE UMA BARRAGEM: ESTUDO DE CASO DA PCH PEDRA FURADA – PERNAMBUCO, BRASIL Open

Ludmilla Freitas PEREIRA, César Gustavo da Rocha Lima, Mauro M. Tashima · 2022

O presente estudo analisou os efeitos da cobertura do solo das áreas de preservação permanente (APPs) a jusante da barragem da PCH Pedra Furada, no rio Sirinhaém, situada no município brasileiro de Ribeirão – PE, na ocorrência de vazões pa…

Evaluation of the environmental performance of rice husk ash and tire rubber residues incorporated in concrete slabs Open

Daniel Oliveira de Azevedo Sampaio, Mauro M. Tashima, Daniele Costa, Paula Quinteiro, Ana Cláudia Dias , et al. · 2022

Reusing Construction and Demolition Waste to Prepare Alkali-Activated Cement Open

M.V. Borrachero, J. Payá, Santiago Brito, Yasna Pamela Segura, Lourdes Soriano , et al. · 2022

Large amounts of waste are derived not only from construction processes, but also the demolition of existing buildings. Such waste occupies large volumes in landfills, which makes its final disposal difficult and expensive. Reusing this wa…

Hybrid Lime–Pozzolan Geopolymer Systems: Microstructural, Mechanical and Durability Studies Open

Ariel Rey Villca Pozo, Lourdes Soriano, M.V. Borrachero, J. Payá, J. Monzó , et al. · 2022

This work studies the possibility of using geopolymer materials to enhance the mechanical and durability properties of hydrated lime–pozzolan mixtures, which gave rise to the so-called “hybrid systems”. Two different waste types were used …

The role of dissolved rice husk ash in the development of binary blast furnace slag-sewage sludge ash alkali-activated mortars Open

Danilo Bordan Istuque, J. Payá, Lourdes Soriano, M.V. Borrachero, J. Monzó , et al. · 2022

Activadores alternativos para cementos de activación alcalina Open

Jordi Bernabeu, J. Monzó, M.V. Borrachero, Lourdes Soriano, Mauro M. Tashima · 2022

Los cementos de activación alcalina (CAA) requieren de un componente alcalino para la activación del precursor. La fabricación del activador alcalino (AA) supone un consumo energético y de materias primas muy importante, de modo que la hue…

Avaliação do ciclo de vida de lajes pré-moldadas treliçadas com adição de resíduos de borracha de pneu Open

Daniel Oliveira de Azevedo Sampaio, Thássia Dias Zanardo Rufato, Camila Cassola Assunção, Mauro M. Tashima, Jorge Luís Akasaki · 2022

RESUMO A Avaliação do Ciclo de Vida (ACV) vem ganhando notoriedade como ferramenta de análise dos impactos ambientais de produtos e serviços, destacando-se por analisar todos os processos envolvidos na produção, desde a extração da matéria…

Sugarcane bagasse ash (GCB) as mineral admixture in concrete to check its durability Open

Sérgio Eduardo Fernandes, Mauro M. Tashima, J.C.B. Moraes, Danilo Bordan Istuque, César Fabiano Fioriti , et al. · 2022

The sugar-alcohol sector has been expanding in recent years, mainly by the advent of bioenergy. In Brazil, the production of sugarcane is increasing in areas before used for extensive cattle and other important crops, such as soybeans, cor…

VALORIZAÇÃO DE RESÍDUO AGROINDUSTRIAL COMO SUBSTITUIÇÃO PARCIAL DO CIMENTO PORTLAND EM FIBROCIMENTOS Open

MARIA JÚLIA BASSAN DE MORAES, Ronaldo Soares Teixeira, MAXIMILIANO PROENÇA DE ANDRADE, Mauro M. Tashima, João Adriano Rossignolo · 2021

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Biomass ashes to produce an alternative alkaline activator for alkali-activated cements Open

Lourdes Soriano, Alba Font, M.V. Borrachero, J. Monzó, J. Payá , et al. · 2021

Evaluation of the long-term compressive strength development of the sewage sludge ash/metakaolin-based geopolymer Open

Danilo Bordan Istuque, Lourdes Soriano, M.V. Borrachero, J. Payá, Jorge Luís Akasaki , et al. · 2021

This paper aimed to evaluate the long-term compressive strength development of the sewage sludge ash/metakaolin (SSA/MK)-based geopolymer. SSA/MK-based geopolymeric mortars and pastes were produced at 25ºC with different SSA contents (0 - …

Effect of wastes from sugar cane industry on the mechanical and hydraulic properties of pervious concrete Open

Rodrigo Garozi da Silva, Marcelo Bortoletto, Sherington Augusto Milani Bigotto, Jorge Luís Akasaki, Lourdes Soriano , et al. · 2021

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Almond-shell biomass ash (ABA): A greener alternative to the use of commercial alkaline reagents in alkali-activated cement Open

Lourdes Soriano, Alba Font, Mauro M. Tashima, J. Monzó, M.V. Borrachero , et al. · 2021

Evaluation of the Pozzolanic Activity of Uncontrolled-Combusted Sewage Sludge Ash Open

Danilo Bordan Istuque, Lucía Reig, Lourdes Soriano, M.V. Borrachero, José Luiz Pinheiro Melges , et al. · 2021

[EN] Waste management is a crucial issue facing modern society. The generation of sewage sludge is increasing annually due to the\nurbanization and improvement of sanitation systems of cities. The construction sector has emerged as a solut…

Lime/pozzolan/geopolymer systems: Performance in pastes and mortars Open

Ariel Rey Villca Pozo, Lourdes Soriano, Alba Font, Mauro M. Tashima, J. Monzó , et al. · 2021

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