Search Results - "Massao Futai, Marcos"

Geomechanical Characterization of a Brazilian Experimental Site: Testing, Interpretation, and Material Properties by Arrieta Baldovino, Jair de Jesús, Nuñez de la Rosa, Yamid E., Massao Futai, Marcos

“…Clarity in monitoring existing foundation structures demands innovative safety analysis methodologies for deep foundations, necessitating advanced models…”
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Tunnel performance prediction through degradation inspection and digital twin construction by Bellini Machado, Lucas, Massao Futai, Marcos

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The Influence of Fresh and Weathered Rock Foliation on the Stability of the Monte Seco Tunnel by Cacciari, Pedro Pazzoto, Futai, Marcos Massao

“…The Monte Seco tunnel (MST) is one of several old unlined tunnels constructed for Brazilian railways in the 1950s, and the MST still receives intense train…”
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Assessment of Brazilian onshore wind turbines foundations by Nardelli, Andrei, Futai, Marcos Massao

“…Abstract Onshore wind turbine foundations are subjected to large overturning moments. The wind action imposes cyclic and dynamic loading conditions which occur…”
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A reduced-order model to predict the natural frequencies of offshore wind turbines considering soil–structure interaction by Ferreira, Ynaê Almeida, Vernizzi, Guilherme Jorge, Futai, Marcos Massao, Franzini, Guilherme Rosa

“…Analytical reduced-order models (ROMs) are derived aiming at determining the natural frequencies of offshore wind turbines (OWTs). Case studies based on six…”
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UAV-based inspection of bridge and tunnel structures: an application review by Toriumi, Fabio Yukio, Bittencourt, Túlio Nogueira, Futai, Marcos Massao

“…Bridges and tunnels are large and complex structures that demand periodic inspections to assess their physical conditions. Although both have different designs…”
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Probabilistic assessment of corroded concrete structures – systematic literature review by Moreira, Leandro Soares, Bittencourt, Túlio Nogueira, Carvalho, Hermes, Futai, Marcos Massao

“…Abstract The evaluation of service conditions of concrete structures has still been carried out through implicit knowledge based on the expertise and knowledge…”
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Non-destructive tests for performance evaluation of self-healing concrete by addition of methyl methacrylate-containing microcapsules by Valerio, Daniel, Fernandes, Juliana Ferreira, Futai, Marcos Massao, Figueiredo, Antonio Domingues de, Aoki, Idalina Vieira

“…Abstract The objective of this work was to develop a chemical admixture to make concrete capable to heal its fissures autonomously and, consequently, mitigate…”
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Reliability-based design optimization of a concrete dam by Siacara, Adrian Torrico, Pellizzer, Giovanni Pais, Beck, André Teófilo, Futai, Marcos Massao

“…Performance and safety of geotechnical structures are affected by uncertainties. Yet, the design of dams is nowadays still made using deterministic methods and…”
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Flexural design of concrete beams reinforced with FRP rebars by Barbosa, Felipe Augusto da Silva, Bittencourt, Túlio Nogueira, Boriolo, Gustavo Rodovalho, André, Fellipe Rodrigues, Futai, Marcos Massao

“…Abstract The corrosion of steel rebars is the main cause of reinforced concrete degradation, which results in increasing costs with structural rehabilitation…”
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Centrifuge modelling of monotonic and cyclic lateral responses of monopiles in quartz and carbonate sands by Soares de Almeida, Márcio de Sousa, Wamser Barra, Maria Fernanda, Gomes, Naiala Fidelis, Pereira Gomes, José Wedney, Ferreira de Almeida, Maria Cascão, Futai, Marcos Massao

“…This study evaluates the soil-structure interaction of monopiles subjected to monotonic and cyclic lateral loading by means of centrifuge modelling. The…”
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A Practical Method for Estimating the Volumetric Intensity of Non-persistent Discontinuities on Rock Exposures by Cacciari, Pedro Pazzoto, Futai, Marcos Massao

“…The volumetric discontinuity intensity ( P 32 ) is defined as the total discontinuity area by rock mass volume. P 32 has been considered the most suitable…”
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Modeling a Shallow Rock Tunnel Using Terrestrial Laser Scanning and Discrete Fracture Networks by Cacciari, Pedro Pazzoto, Futai, Marcos Massao

“…Discontinuity mapping and analysis are extremely important for modeling shallow tunnels constructed in fractured rock masses. However, the limited exposure and…”
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Effects of mica content on rock foliation strength by Cacciari, Pedro Pazzoto, Futai, Marcos Massao

“…Foliation is a planar geological structure characterized by the alignment of minerals, including mica grains. Foliated metamorphic rocks exhibit anisotropic…”
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Assessing the tensile strength of rocks and geological discontinuities via pull-off tests by Cacciari, Pedro Pazzoto, Futai, Marcos Massao

“…•The POT was used as a practical alternative for tensile strength assessment of rocks.•Four visually isotropic rocks were used to compare POT, BDT and DTT.•The…”
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Mapping and characterization of rock discontinuities in a tunnel using 3D terrestrial laser scanning by Cacciari, Pedro Pazzoto, Futai, Marcos Massao

“…This paper attempts to evaluate various methods of geometrical discontinuity characterization using point clouds that are generated with three-dimensional…”
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Modeling strategies for wind turbines considering soil–structure interaction by Ferreira, Ynaê Almeida, Vernizzi, Guilherme Jorge, Futai, Marcos Massao, Franzini, Guilherme Rosa

“…Reduced-order models (ROMs) are developed for obtaining the natural frequencies of offshore wind turbines (OWTs) considering the soil–structure interaction…”
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Mode II fracture toughness determination of rock and concrete via Modified Direct Shear Test by Vizini, Vítor Oliveira Santos, Futai, Marcos Massao

“…•New method for determining KIIc, in function of the confining pressure, of rock and concrete.•Horizontal fracture in the MDST is due to shear.•The confining…”
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Challenges in the application of digital transformation to inspection and maintenance of bridges by Futai, Marcos Massao, Bittencourt, Túlio N., Carvalho, Hermes, Ribeiro, Duperron M.

“…Bridges constitute an important part of the infrastructure and are subjected to damage and deterioration of materials and support conditions, as well as…”
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Mode I Fracture Toughness Determination of Rock and Concrete via Pull-Off Test by Vizini, Vítor Oliveira Santos, Futai, Marcos Massao

“…In this paper, the Pull-Off Test (POT) was analyzed as a method for determining the mode I fracture toughness ( K Ic ) of rock and concrete. POT is submitted…”
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