Study On Mechanochemistry Effect Of Mineral Phases Grinding Of Cementbased Material And Fractal Theory

The cementbased materials become the essential, the most main building materials in the house construction and the infrastructure construction by its fine project performance and relatively inexpensive production cost. But there are two problems which are not allowed to neglect in the cement production and the used process, the one is the cement clinker production to natural resource serious consumption and greenhouse gas discharging; the other is the low hydration rate created resources waste in the cementbased materials used process. The research indicated that, rubs the system process in the cement base material to carry on the fine grinding, not only can enhance the effective using rate of the cement clinker, but also can enlarge mixes the quantity for the industry waste residue as the cement mix material, such as fly ash, granulated blast furnace slag and steel slag and so on. Its essence consists in that in the grinding process, the material not only become thinner, the specific surface areas increase, but also appear the distortion of crystal lattice and the crystal defects, the surface chemical bonds break, the free energy increase, free radical product even have the crystal indefinite and so on, the mechanochemistry effect, caused the response activity of the grinding material enhanced observably. The article researched on the mechanochemistry effect which was induced in the grinding process for the Portland cement clinker partial mineral phases, systematically opened out the destruction types and characteristics for the cementbased material in the grinding process and the grinding condition influenced on mechanochemistry effect, used fractal theory on the relations among the cementbased material pellet characteristics, the mechanochemistry effect and the hydration performance to carry on analysis and discussion.Used the laser granularity survey technology, X-ray powder diffraction, scanning electron microscopy (SEM), heat conduction micro-calorimetric technology and infrared spectrum analysis methods have the research on the pellet characteristics, the crystal microscopic structure and the surface chemical bonds break and some...