A study on ductility of nano-particles reinforced cement-based composites

摘要

The ductility of high strength nano-TiO_2 reinforced cement-based composites were experimentally studied and compared with that of plain cement-based composite and cement-based composite containing silica fume by stress-strain relationship. The results showed that the ductility of high strength cement-based composite containing nano-TiO_2 were better than that of plain cement-based composite and cement-based composite containing silica fume, which demonstrated that it is an available and effective way to improve ductility of high strength cement-based composite by means of mixing nanophase materials into cement-based composite. The origin of nanoparticles improving ductility of high strengthen cement-based composite was also preliminary interpreted.