Abstract:

This paper studied acrylate grouting material used in micro-fissure water plugging, and their basic properties were studied. The experimental results showed that the slurry viscosity was below 3×10-3Pa ? s. The gel time of slurry, shortened and reduced gap between the two systems with the increase of the main agent concentration, and lengthened in A-Ca reaction system. The ratio at about 1, gel time was longest. The gel time was controlled in 3min-15min. The uniaxial compressive strength of the material was below 1MPa. Research results had been used for surface pre grouting of water plugging in 1000m deep shaft.

Key words: Micro-fissure, Acrylate, Grouting material, Water plugging, Surface pre grouting