The Research of Tilt Fissure Grouting Characteristics with Flowing Water

The slurry spread rule in fissure is the theoretical basis of grouting technology. In order to study the rule in fissure, the model of tilt fissure grouting in condition of flowing water is derived according to Newton's law of friction resistance and force of equilibrium law. By analyzing the slurry spread rule of the influence of water flow and the tilt Angle ,we can conclude that spread radius is the largest when slurry spreads in dip slope (θ= 180⁰) and parallel flow, the spread radius is minimum when slurry spreads in escarpment slope (θ= 0⁰)and counter flow, escarpment slope and counter flow have bigger influence on spread radius, fissure inclination and the water flow all importantly influence the slurry spread, whose influence depends on the grouting pressure and static water pressure in fissure.

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