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Abstract
Nanomodified granular cement has higher strength and durability and has a denser microstructure than traditional concrete. Nanomaterials have surface effects, filling effects, and nucleation effects, which can improve the microstructure of concrete. In order to obtain cement materials with better performance, this article will mix nano-sulfur dioxide (SiO2), nano-silica (NS), and nano-titanium oxide (NT) into granular cement to study the types and dosages of nanomaterials and the effect of curing systems on the particles. The influence of cement abrasion resistance, by adding nanomodified materials of different particle sizes to the granular cement, the cement made on the 14th and 28th days after its setting has been tested for its compression resistance, ductility deformation, and frost resistance. The experimental results show that the ductility and deformation ability of concrete mixed with nanoparticles has a more obvious effect on the ductility deformation of 30 nm NS concrete, but the effect on 30 nm NT concrete is not as significant as that of 28d nano-concrete with the optimal amount of ductility deformation. It can be seen that 15 nm NS is 6.3% higher than 30 nm NS, and 30 nm NS is 11.1% higher than 30 nm NT. This shows that, in order to play the role of the nanomodified material particle cement, it is necessary to carefully study and judge different projects in order to play a better role.