Development of Model Test System for Grouting Simulation in Flowing Water and Study of the Diffusion Form of Anti-Dispersion Grout

In order to simulate the diffusion form of anti-dispersion grout, the first visual large-proportion plane fissure test system for the physical model of fracture-grouting in flowing water is developed in China. The plane fissure test system is made up of plane fissure test-bed, monitoring system, water supply and drainage system, grouting system, control system and data acquisition system. The fiber Bragg grating (FBG) sensors for pressure, velocity and temperature monitoring are employed because of its small size and high sensitivity. The U-shaped diffusion form of anti-dispersion grout is found by the plane fissure grouting test in the flowing water.