The working principle of the central control anchor rod in slope protection mainly includes the following aspects:
Reinforcement function:
The central control anchor rod connects unstable slope rock and soil with stable strata through its own tensile strength and shear strength, forming a whole and improving the stability of the slope. After the anchor rod is inserted into the anchor rod hole, it opens up under the action of the conical body through the expanding shell anchor head, and is in close contact with the rock wall, generating frictional resistance with the anchor rod hole wall, thereby forming a supporting anchoring force and achieving timely anchoring effect.
Function of composite beam:
When the slope is composed of multiple layers of rock layers, the central control anchor rod can connect these rock layers together to form a composite beam, which jointly bears the load of the slope and thus improves the bearing capacity of the slope.
Suspension function:
For some slopes that may collapse, the central control anchor rod can suspend the unstable rock and soil mass on a stable formation, thereby preventing the occurrence of collapse.
Span reduction effect:
The central control anchor rod can reduce the span of the rock and soil mass, lower the internal stress of the rock and soil mass, and thus improve the stability of the slope.
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