Search Results - "Angulo, Sergio C."

Dehydration and Rehydration of Blast Furnace Slag Cement by Baldusco, Raphael, Nobre, Thiago R. Santos, Angulo, Sérgio C, Quarcioni, Valdecir A, Cincotto, Maria Alba

“…AbstractHydrated cementitious fines can be recycled by thermal treatment (<500°C) as an alternative binder with low energy consumption and carbon dioxide (CO2)…”
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Energy and CO2 from high performance recycled aggregate production by Quattrone, Marco, Angulo, Sergio C., John, Vanderley M.

“…•Mechanical and thermal processes to produce high performance RCA have been analyzed.•We calculated, for different scenarios, fines generation, energy, and CO2…”
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Characterization flowchart for assessing the potential reuse of excavation soils in Sao Paulo city by Kataguiri, Karen, Boscov, Maria Eugenia G., Teixeira, Cláudia E., Angulo, Sergio C.

“…Waste management solutions and reuse strategies for excavation soils from construction works are needed to increase the circularity of resources in urban…”
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Roughness, wettability and water absorption of water repellent treated recycled aggregates by Santos, Winnie F., Quattrone, Marco, John, Vanderley M., Angulo, Sergio C.

“…•Roughness measurement procedure by optical interferometry was defined for recycle aggregates.•A way to correct the water absorption kinetics of recycled…”
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Pozzolanic Reaction of Recycled Cementitious and Red Ceramic-Waste Aggregates with Hydrated Lime for Pavement Base Layer by Silva, Patricia B., Ângulo, Sérgio C., Motta, Rosângela, Bernucci, Liedi L. B.

“…AbstractCement addition and pozzolanic reaction in construction and demolition waste recycled aggregates can stabilize the base of pavements chemically. A way…”
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Use of a 3D Structured-Light Scanner to Determine Volume, Surface Area, and Shape of Aggregates by Loz, Paulo H. F, Angulo, Sérgio C, Rebmann, Markus S, Tutumluer, Erol

“…AbstractThe standard method of using a caliper to determine aggregate particle dimensions is not sufficient to describe the shape, texture, angularity, and…”
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Probability distributions of mechanical properties of natural aggregates using a simple method by Angulo, Sérgio C., Silva, Natalia V., Lange, David A., Tavares, Luís Marcelo

“…•Probability distributions of strength and elastic modulus of natural aggregates.•Water absorption allowed capturing the mechanical variability in the…”
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Separability studies of construction and demolition waste recycled sand by Ulsen, Carina, Kahn, Henrique, Hawlitschek, Gustav, Masini, Eldon A., Angulo, Sérgio C.

“…[Display omitted] ► Reduction of cement paste content on fine recycled aggregates. ► Density and magnetic separation to remove particles with cement paste…”
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Improved method to measure the strength and elastic modulus of single aggregate particles by Silva, Natalia V., Angulo, Sérgio C., da Silva Ramos Barboza, Aline, Lange, David A., Tavares, Luís M.

“…The standard methods used to determine the mechanical properties of single aggregate particles have shortcomings. Indeed, methods that are commonly used to…”
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Rapid method for measuring the water absorption of recycled aggregates by Damineli, Bruno L., Quattrone, Marco, Angulo, Sérgio C., Taqueda, Maria Elena S., John, Vanderley M.

“…The quality control of aggregates for concrete involves determining their water absorption and apparent density, indicators of the material’s porosity. The…”
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Strength-porosity correlation and environmental analysis of recycled Portland cement by Zanovello, Mateus, Baldusco, Raphael, John, Vanderley M., Angulo, Sérgio C.

“…•The total porosity of recycled Portland cement pastes (R-OPC/P) was estimated through Powers’ model.•Porosity-strength relationship has a single trend for…”
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Thermoactivated cement from construction and demolition waste for pavement base stabilization: A case study in Brazil by Pereira, Valdir M, Baldusco, Raphael, Silva, Patricia B, Quarcioni, Valdecir A, Motta, Rosângela S, Suzuki, Seiiti, Angulo, Sergio C

“…Construction and demolition waste (CDW) worldwide generation accounts 10 billion tonnes yearly. The major fraction is landfilled requiring innovative recycling…”
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Reuse of fines from ready-mix concrete washing slurries by Silva, Daniel O.F., Quattrone, Marco, Romano, Roberto C.O., Angulo, Sérgio C.

“…•Addition of concrete washing slurries increased torque and viscosity of concrete mixes.•Water or dispersant increase mitigated the rheological changes of…”
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Probabilistic functions of mechanical properties of plain cement pastes determined by a reduced-size test by Oliveira, Fábio C., Kassab, Marcos P., Silva, Natalia V., Angulo, Sérgio C., Tavares, Luís Marcelo, Lange, David A.

“…•Probability distributions of strength and elastic modulus of plain cement pastes.•Proposition of a reduced-size test with 10 cm-cubic specimens.•Point-load…”
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Mechanical properties of reduced-sized limestone filler-cement pastes and their variability using an instrumented point load test by Oliveira, Fábio C. de, Silva, Natália V., Hentges, Tatiane I., Tavares, Luís M., Angulo, Sérgio C.

“…In spite of their relevance in the context of modelling of the mechanical properties of cementitious composites, the mechanical properties of cement pastes…”
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Correction to: Improved method to measure the strength and elastic modulus of single aggregate particles by Silva, Natalia V., Angulo, Sérgio C., da Silva Ramos Barboza, Aline, Lange, David A., Tavares, Luís M.

“…The article ‘‘Improved method to measure the strength and elastic modulus of single aggregate particles’’, written by ‘‘Natalia V. Silva, Sérgio C. Angulo,…”
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Correction to: Improved method to measure the strength and elastic modulus of single aggregate particles by Silva, Natalia V., Angulo, Sérgio C., da Silva Ramos Barboza, Aline, Lange, David A., Tavares, Luís M.

“…This article was published with an erroneous name of one of the authors and therefore has been corrected…”
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The role of calcium silicates and quicklime on the reactivity of rehydrated cements by Angulo, Sergio C., Guilge, Mário S., Quarcioni, Valdecir A., Cincotto, Maria A., Nobre, Thiago R.S., Pöllmann, Herbert

“…•Rehydration of amorphous dehydrated C-S-H is confirmed.•Calcium silicates and quicklime do not totally explain the heat of rehydrated cement.•Chemically bound…”
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Simple way to model the mechanical properties of concretes with recycled concrete aggregates by Machado, Leonardo C., Damineli, Bruno L., Rebmann, Markus S., Angulo, Sergio C.

“…Researchers have made efforts to model the mechanical properties of concretes with recycled aggregates joining large research databases. The replacement ratio…”
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Clinker Portland with iron ore tailing and its characterization by integrated laboratory methods by C. N. Faria, Natacha, Pereira, Valdir M., R. S. Nobre, Thiago, Cesar de O. Romano, Roberto, Vieira Coelho, Antonio C., Angulo, Sergio C.

“…•Clinker Portland with Iron Ore Tailing (with 40 %w.t. of iron oxide) was prepared using a fixed the lime saturation factor (LSF = 0.96).•Up to 10% of IOT was…”
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