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Browsing by Subject "Blended cement"

Now showing items 1-5 of 5

Life cycle greenhouse gas emissions of blended cement concrete including carbonation and durability

García Segura, Tatiana; Yepes Piqueras, Víctor; Alcalá González, Julián (Springer Verlag (Germany), 2014-01)

Purpose Blended cements use waste products to replace Portland cement, the main contributor to CO2 emissions in concrete manufacture. Using blended cements reduces the embodied greenhouse gas emissions; however, little ...
Mineralogical evolution of Portland cement blended with silica nanoparticles and its effect on mechanical strength

Tobón, J. I.; Paya Bernabeu, Jorge Juan; Borrachero Rosado, María Victoria; Restrepo Baena, Oscar Jaime (Elsevier, 2012-11)

Mineralogical analysis on pastes of Spanish Portland cement Type I, blended with nanosilica was carried out by conventional and high-resolution thermogravimetric analysis (TG-HRTG) and X-ray diffraction (XRD) in order to ...
Performance of white portland cement matrixes blended with nanosilica and limestone for architectural applications

Tobón, Jorge Ivan; Mendoza, Oscar A.; Paya Bernabeu, Jorge Juan (Thomas Telford (ICE Publishing), 2016-10)

This research evaluates the combination of nanosilica particles and ground limestone as mineral additions for white Portland cement (WPC) matrixes, envisioning architectural applications where the whiteness of the final ...
Study of durability of Portland cement mortars blended with silica nanoparticles

Tobon, Jorge I; Paya Bernabeu, Jorge Juan; Restrepo, Oscar J. (Elsevier, 2015-04)

In this paper the effects of nanosilica (NS) on porosity, capillary suction (UNE 8398:2008), compressive strength (ASTM C 349), and sulfate resistance (ASTM C 1012) were evaluated for mortars made with Portland cement ...
Vegetable ashes as Supplementary Cementitious Materials

Martirena, F.; Monzó Balbuena, José Mª (Elsevier, 2018-12)

[EN] Approximately 140 billion metric tons of biomass are produced every year in the world from agriculture. The ashes resulting from firing agricultural wastes such as rice husk, sugar cane and others can be used as ...