Abstract:In underground grouting engineering,phase interfaces in different types of grouts and water have different characteristics;the characteristics of slurry-water phase interface have great significance to describe the mechanism of grouting for stopping up water and build a numerical model of slurry mixing zone. By analyzing the phase interface morphologies of different slurries,the characterization methods and application types are obtained. By the laboratory experiments,determination test of cement-silicate mixed area is carried out;and characterization of cement-silicate grout phase interface in dynamic water is obtained. By analyzing the experimental data,phase function is decomposed into height function and width function in order to describe the geometric features;besides,the influencing factors are analyzed. The results will be helpful to develop the mechanism of grout and block water as well as establish the numerical model of slurry-water interface.
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LI Shucai,SUN Zizheng,LIU Rentai,ZHANG Qingsong,HAN Weiwei,ZHANG Weijie,WANG Deming. RESEARCH ON PHASE INTERFACE CHARACTERISTICS OF CEMENT-SILICATE GROUT BASED ON CRACK GROUTING
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