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Effect of nano‐TiO2 on the compressive strength and permeability of cement paste was studied, and the mechanism was revealed through investigating the hydration evolution and hydration products distribution of cement containing various contents of nano‐TiO2. Hydration Heat of cement, microstructure and pore structure of cement paste indicated that nano‐TiO2 could act as “nuclear” to accelerate the...
Carbon nanotubes (CNT) have excellent mechanical properties and have the potential, if combined with Ordinary Portland Cement (OPC), traditionally a brittle material in tension, to become a nano-composite with superlative mechanical properties. However, highly attractive van der Waals forces between CNTs create coherent agglomerates that prove difficult to disperse within the cement matrix and reduce...
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