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首页> 外文会议>International Conference on Calcined Clays for Sustainable Concrete >Assessment of Cuban Kaolinitic Clays as Source of Supplementary Cementitious Materials to Production of Cement Based on Clinker - Calcined Clay - Limestone
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Assessment of Cuban Kaolinitic Clays as Source of Supplementary Cementitious Materials to Production of Cement Based on Clinker - Calcined Clay - Limestone

机译：基于熟料 - 煅烧粘土 - 石灰石的水泥生产辅助水泥材料的辅助材料来源评估古巴高岭土粘土

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Four new calcined kaolinitic clays as source of supplementary cementitious materials to production of cement with high level of clinker replacement were assessed in this research. Anhydrous cements were characterized by particle size distribution (PSD), specific surface (BET) and thermo-gravimetric analysis (TGA). The pastes were assessed by X ray diffraction (XRD), TGA and mercury intrusion porosimetry (MTP). The behavior of blends was too assessed by compressive strength in standard mortars. The specific surface of LC~3 cement depends mainly on the specific surface of calcination product of clay, which depend as well on the mineralogical composition of the raw material and the calcination temperature. Results indicated an agreement with the kaolinite content in the original clay, pozzolanic reactivity and the performances of blended cements. The research showed the potentialities of cuban clay deposits from different geologic origin to be used in the production of ternary blended cements with similar performances to the Portland cement.
机译：在本研究中评估了四种新煅烧的高岭土粘土作为辅助水泥生产水泥生产水泥的来源。通过粒度分布（PSD），比表面（BET）和热重分析（TGA）的特征是无水水平。通过X射线衍射（XRD），TGA和汞侵入孔隙瘤（MTP）评估浆料。通过标准砂浆的压缩强度来评估混合物的行为。 LC〜3水泥的比表面主要取决于粘土的煅烧产物的比表面，这也依赖于原料的矿物组合物和煅烧温度。结果表明了原始粘土，火山灰反应性和混纺水泥性能的高岭石含量的协议。该研究表明，古巴粘土沉积物从不同地质起源的潜力用于生产与波特兰水泥相似的三元混合水泥。

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