Today, we mainly introduce the structure and function of the rock bolts through two aspects, let’s learn together.

The anchor is a member structure of rock and soil reinforcement. Through the longitudinal pulling force of the anchor rod body, the shortcoming of the tensile strength of the rock and soil body is far lower than that of the compressive capacity. On the surface, it limits the removal of rock and soil from the orginal body. Macroscopically, it increases the cohesiveness of rock and soil. From the mechanical point of view, it mainly improves the cohesion C and the internal friction angle ? of the surrounding rock mass. The substantially anchor is located in the rock and soil and forms a new complex with the rock and soil. The anchor in this composite is the key to solving the low tensile strength of the surrounding rock mass. Therefore, the bearing capacity of the rock and soil itself is greatly enhanced.

The anchor is the most basic part of the roadway support in the underground mining of the underground, it binds the surrouding rock of the roadway together, so that the surroounding rock itself supports itself.

1.        A rod with a tensile strength higher than that of the rock and soil.

2.        The other end of the rod outside the rock and soil can form radial resistance to the rock and soil.

3.        One end of the rod can be in close contact with the rock and soil to form friction(or bonding) resistance.

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