Search Results - "Faxina Adalberto Leandro"
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Diffusion Study Using Fine-Aggregate Matrices Comprised of Reclaimed Asphalt Pavements and a Bio-Based Recycling Agent
Published in Journal of materials in civil engineering (01-09-2023)“…AbstractThe use of reclaimed asphalt pavements (RAP) is an increasing trend nowadays due to environmental and economical appeal. The use of higher percentages…”
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A tool based on the linear elastic fracture mechanics to analyze the outputs of the linear amplitude sweep (LAS) test
Published in Construction & building materials (20-12-2020)“…•The LEFM-based index (aLEFM) correlated well with the fracture-based one (af).•The measurability is higher for the aLEFM than for the af index.•The LAS tests…”
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Simplifications of the Short-Term USAT Protocol for Neat and Modified Binders: A Rheological Assessment
Published in Journal of materials in civil engineering (01-10-2024)“…AbstractThis study evaluates the feasibility of proposed simplifications of the universal simple aging test (USAT) to simulate the short-term aging of asphalt…”
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Rutting on asphalt binders and mixtures modified with PPA and Elvaloy®: laboratory aspects and rheological modeling
Published in Transportes (Rio de Janeiro) (30-04-2022)“…There has been a lack of proper understanding about the actual rutting performance of asphalt binders/cements modified only with polyphosphoric acid (AC+PPA)…”
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High-Temperature Properties And Modeling of Asphalt Binders Modified with Sbr Copolymer and Ppa in the Multiple Stress Creep and Recovery (Mscr) Test
Published in Applied rheology (Lappersdorf, Germany) (01-10-2016)“…The main objectives of this paper are to (i) study the rutting performance of asphalt binders modified with styrene butadiene rubber (SBR) copolymer,…”
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Rejeito de minério de ferro como agregado mineral fino em misturas asfálticas
Published in Transportes (Rio de Janeiro) (14-09-2021)“…A crescente produção mineral gera volumes gradativamente maiores de resíduos sólidos, motivando a realização de estudos que viabilizem o aproveitamento desses…”
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7
Aplicação de parâmetro de resistência à fadiga para ligantes asfálticos baseado na mecânica da fratura elástico-linear
Published in Transportes (Rio de Janeiro) (15-12-2020)“…Ensaios e parâmetros de fadiga para ligantes asfálticos foram desenvolvidos como alternativas ao parâmetro G*.sind, mas também apresentam limitações. Estudos…”
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Asphalt concrete mixtures modified with polymeric waste by the wet and dry processes: A literature review
Published in Construction & building materials (20-12-2021)“…•Polymeric waste can be added to asphalt mixtures by the wet and dry processes.•Polymeric waste is capable of improving asphalt pavement performance.•The…”
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Avaliação dos efeitos da radiação ultravioleta sobre propriedades reológicas de ligantes asfálticos modificados com PPA e copolímeros SBS e SBR
Published in Transportes (Rio de Janeiro) (01-03-2017)“…O envelhecimento dos ligantes asfálticos afeta diretamente as propriedades mecânicas das misturas asfálticas. Neste sentido, as especificações limitam…”
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10
Ensaios MSCR segundo as normas ASTM D7405-10a e AASHTO T350-14: um estudo de caso envolvendo ligantes asfálticos modificados
Published in Transportes (Rio de Janeiro) (01-12-2016)“…Este trabalho tem por objetivo comparar os resultados dos ensaios de fluência e recuperação sob tensão múltipla (MSCR) segundo os protocolos da ASTM D7405-10a…”
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Comportamento fluência-recuperação de ligantes asfálticos modificados com copolímero SBR e ácido polifosfórico
Published in Transportes (Rio de Janeiro) (28-08-2015)“…Este trabalho avaliou os comportamentos fluência-recuperação de ligantes asfálticos modificados com o copolí-mero SBR (CAP+SBR), ácido polifosfórico (CAP+PPA)…”
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Viscosidade rotacional de ligantes asfálticos modificados de mesmo grau de desempenho
Published in Transportes (Rio de Janeiro) (31-08-2012)“…Os objetivos deste trabalho são (a) comparar as viscosidades rotacionais de ligantes asfálticos de mesmo PG e nas condições virgem e modificada, (b) comparar…”
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13
High-temperature rheological properties of asphalt binders modified with recycled low-density polyethylene and crumb rubber
Published in Construction & building materials (06-09-2021)“…•Recycled low-density polyethylene (RPE) and crumb rubber (CR) were added to asphalt binders.•The storage stability of the RPE-modified binders was improved…”
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Soy-based rejuvenated asphalt binders: Impact on rheological properties and chemical aging indices
Published in Construction & building materials (20-09-2021)“…•The soy-based bio-oils showed great potential to be used as rejuvenating agents.•The rejuvenators improved the binder ductility and relaxation properties.•The…”
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Low-Temperature and Fatigue Properties of Asphalt Binders Modified with Crumb Rubber from Discarded Tires and Recycled Low-Density Polyethylene
Published in Journal of materials in civil engineering (01-09-2022)“…AbstractThe addition of virgin polymers to asphalt binders is a technique widely used in the asphalt paving industry, because this approach helps improve the…”
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Characterization of the rutting potential of modified asphalt binders and its correlation with the mixture’s rut resistance
Published in Construction & building materials (30-07-2017)“…•Rutting resistance of binders and mixtures with similar high PG grades was studied.•The binder tests included softening point, oscillatory shear (G∗/sinδ) and…”
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Rheological analysis of asphalt binders modified with Elvaloy® terpolymer and polyphosphoric acid on the multiple stress creep and recovery test
Published in Materials and structures (01-05-2015)“…This study presents the results of a series of creep-recovery experiments that were conducted on asphalt binders modified with polyphosphoric acid (AC+PPA) and…”
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AVALIAÇÃO DO EFEITO DE LIGANTES ASFÁLTICOS MODIFICADOS NA RESISTÊNCIA À DEFORMAÇÃO PERMANENTE DE MISTURAS ASFÁLTICAS DENSAS
Published in Transportes (Rio de Janeiro) (14-11-2013)“…A modificação de ligantes asfálticos é uma prática cada vez mais comum em vias de elevado volume de tráfego e tem como objetivo a melhoria das características…”
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Susceptibility of low-density polyethylene and polyphosphoric acid-modified asphalt binders to rutting and fatigue cracking
Published in Construction & building materials (30-12-2014)“…•Asphalt binders modified with PE and PPA were evaluated in the MSCR and LAS tests.•Asphalt binder modification increases damage tolerance of the unmodified…”
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20
Rheological analysis of asphalt binders modified with Elvaloy super( registered ) terpolymer and polyphosphoric acid on the multiple stress creep and recovery test
Published in Materials and structures (01-05-2015)“…This study presents the results of a series of creep-recovery experiments that were conducted on asphalt binders modified with polyphosphoric acid (AC+PPA) and…”
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