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Listar por palabra clave "Pozzolanic reactivity"

Mostrando ítems 1-5 de 5

Assessment of sugar cane straw ash (SCSA) as pozzolanic material in blended portland cement: Microstructural characterization of pastes and mechanical strength of mortars

Moraes, J. C. B; Akasaki, Jorge Luis; Melges, J. L. P.; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Soriano Martínez, Lourdes; Paya Bernabeu, Jorge Juan; Tashima, Mauro Mitsuuchi (Elsevier, 2015-09)

The aim of this paper is to assess the pozzolanic reactivity of sugar cane straw ash (SCSA) obtained through an auto-combustion process and the mechanical properties of SCSA-containing systems. Characterization of SCSA ...
Assesssment of pozzolanic/hydraulic reactivity of vitreous calcium aluminosilicate (VCAS) ussing different methods

Mitsuuchi Tashima, Mauro; Soriano Martínez, Lourdes; Paya Bernabeu, Jorge Juan; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria (Elsevier, 2016-04)

[EN] The aim of this paper is to assess the possibility of using vitreous calcium aluminosilicate (VCAS) as a supplementary cementitious material in the production of Portland cement mortars. The calcium hydroxide consumption ...
Caracterización de puzolanas naturales procedentes de Guatemala

Sierra Acuña, Óscar Mauricio (Universitat Politècnica de València, 2016-12-14)

[EN] Volcanic pozzolans are constituted in general by vitreous material that usually is rich in SiO2 and Al2O3, which reacts with portlandite produced during cement hydration to give hydrated silicates and calcium ...
Comparison of original and washed pure sugar cane bagasse ashes assupplementary cementing materials

Pitolli Lyra, Gabriela; Borrachero Rosado, María Victoria; Soriano Martinez, Lourdes; Paya Bernabeu, Jorge Juan; Rossignolo, Joao Adriano (Elsevier, 2021-02-22)

[EN] The objective of this study was to evaluate the effects of potassium extraction on the pozzolanicity of sugar cane bagasse ash (SCBA), with the aim of producing reactive ash for use in cementitious composites. The ...
Rice straw ash: A potential pozzolanic supplementary material for cementing systems

Rosello Caselles, Josefa; Soriano Martínez, Lourdes; Santamarina Siurana, Mª Pilar; Akasaki, Jorge Luis; Monzó Balbuena, José Mª; Paya Bernabeu, Jorge Juan (Elsevier, 2017)

[EN] Biomass waste from rice straw has many management problems, including field firing causing severe air pollution and natural organic decomposition resulting in methane emission. The conversion of this waste to ashes ...