2014
DOI: 10.4067/s0718-50732014000300003
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Molienda mecánica por alta energía de minerales mexicanos para producir concreto de alto desempeño (CAD)

Abstract: Resumen Se caracterizaron química, física y mineralógicamente agregados minerales finos mexicanos, tales como: ceniza volante, microsílice, humo de sílice, escoria granulada de alto horno (EGAH) gruesa, fina y refinada para su dosificación con cemento Portland compuesto (CPC) en su estado normal y refinado por molienda de alta energía (HEM), con el objetivo de fabricar un concreto de alto desempeño (CAD), partiendo de subproductos industriales. Los materiales fueron acondicionados con tamaños menores a #200 ma… Show more

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Cited by 6 publications
(3 citation statements)
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“…In all the samples the presence of calcium hydroxide, calcium carbonate, tricalcium silicate, aluminium and calcium hydrosulphate, tetracalcium sulphoaluminate, and hydrated calcium silicate was detected, all of them normal constituents of Portland cement paste [70]. As suggested by Matos and Coutinho [2] there were no glass particles in the paste.…”
Section: Analysis Of the Microstructurementioning
confidence: 50%
“…In all the samples the presence of calcium hydroxide, calcium carbonate, tricalcium silicate, aluminium and calcium hydrosulphate, tetracalcium sulphoaluminate, and hydrated calcium silicate was detected, all of them normal constituents of Portland cement paste [70]. As suggested by Matos and Coutinho [2] there were no glass particles in the paste.…”
Section: Analysis Of the Microstructurementioning
confidence: 50%
“…The third mass loss appeared at approximately 650 °C, where Alonso and Fernandez [12] approximated the decomposition of calcite (CaCO 3 ) and generation of CO 2 occurred. Furthermore, calcium carbonate experiences decarbonization above 700 °C (Alonso and Fernandez [12]; Rodrigues et al [23]; Fuentes et al [24]). Relevant literary information indicates that it is possible to lose the water mass responsible for cement hydration at temperatures of approximately 550 °C.…”
Section: Evaluation Of Recovery Temperature Of Anhydrous Phasesmentioning
confidence: 99%
“…Supplementary cementitious materials (SCMs), also known as mineral admixtures (e.g., fly ash, silica fume), considerably affect the rheology of CBM as well. Most of the previous studies [6,19,[67][68][69][70][71][72] have investigated the effect of SCMs on 𝜏 0 𝐷 and viscosity of cementitious materials. In comparison, only a few researchers have studied the effect of SCMs on Athix [58,60,62,73,74].…”
Section: Introductionmentioning
confidence: 99%