Research Article

Migration Characteristics of Boring Mud in Roadway Floor Anchor Wire Hole and Test in Coal Mine

Table 1

Arising velocity parameters of intermixture, boring mud, and drilling.

/(kN.m−3)/(m.s−1)/(m.s−1) /(m.s−1)

10%11.132.5882.5454.36
15%11.702.0311.9995.09
20%12.261.3511.3224.49