Pore structure analysis of hardened cement mortars containing silica fume and different nano-powders

Hydration and microstructures of concrete containing raw or densified silica fume at different curing temperatures

“…On the contrary, with the addition of raw SF, the content of larger pores decreases while that of the 4.5-50 nm micropores increases. This phenomenon illustrates that raw SF can refine the pore structure of paste due to its chemical reaction and physical filling effect [33,34].…”

Preparation and study of light transmitting properties of sulfoaluminate cement-based materials

“…The pore structure of hardened cement determines its compactness, porosity, permeability and mechanical properties [24][25][26]. The pores can be classified into four major types: harmless pore (diameter < 20 nm), less harmful pore (diameter, 20-100 nm), harmful pore (diameter, 100-200 nm), and much harmful pore (diameter > 200 nm) [27].…”

Single and combined effects of nano-SiO2, nano-Al2O3 and nano-TiO2 on the mechanical, rheological and durability properties of self-compacting mortar containing fly ash

“…Much research has been carried out on the application of nanosized materials and pozzolanic materials in the conventional mortar/concrete and self-compacting mortar (SCM)/concrete (SCC) to improve their mechanical and physical properties [6,[15][16][17][18][19][20]. Jalal et al [6] investigated the effects of micro SiO 2 and nanoparticles on the mechanical, rheological, durability and microstructural properties of high performance self-compacting concrete.…”