Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
PARTICLE PACKED CEMENT-SCM BLENDS
Cement -SCM (supplementary cementitious material) blends employ particle packing principles to increase particle packing density and reduce interstitial spacing between the cement and SCM particles. Particle packing reduces the amount of water required to obtain a cement paste having a desired flow, lowers the water-cementitious material ratio (w/cm), and increases early and long-term strengths. This may be accomplished by providing a cement-SCM blend comprising:- a hydraulic cement fraction having a particle size distribution (PSD) defined by a d10, a d50, and a d90;- a fine SCM fraction having a d50;- a coarse SCM fraction having a d50,characterized by the fine SCM having a d50 that is less than the d50 of the hydraulic cement fraction and the coarse SCM having a d50 that is greater than the d50 of the hydraulic cement fraction in order for the cement-SCM blend to form a cement paste having a maximum particle packing density of at least 57.0%.
PARTICLE PACKED CEMENT-SCM BLENDS
Cement -SCM (supplementary cementitious material) blends employ particle packing principles to increase particle packing density and reduce interstitial spacing between the cement and SCM particles. Particle packing reduces the amount of water required to obtain a cement paste having a desired flow, lowers the water-cementitious material ratio (w/cm), and increases early and long-term strengths. This may be accomplished by providing a cement-SCM blend comprising:- a hydraulic cement fraction having a particle size distribution (PSD) defined by a d10, a d50, and a d90;- a fine SCM fraction having a d50;- a coarse SCM fraction having a d50,characterized by the fine SCM having a d50 that is less than the d50 of the hydraulic cement fraction and the coarse SCM having a d50 that is greater than the d50 of the hydraulic cement fraction in order for the cement-SCM blend to form a cement paste having a maximum particle packing density of at least 57.0%.
PARTICLE PACKED CEMENT-SCM BLENDS
PACKUNGSDICHTE ZEMENT-SCM-MISCHUNGEN
MÉLANGES À BASE DE CIMENT/AJOUTS CIMENTAIRES À COMPACITÉ
GUYNN JOHN M (Autor:in) / HANSEN ANDREW S (Autor:in)
04.12.2019
Patent
Elektronische Ressource
Englisch