Field Experiment Research of the Polycystic Aeration Bolt: Model Design and Anchorage Mechanism

Table 4

The bearing capacity and displacement of bolts.

Number	Bolt type	Bearing capacity (kN)	Displacement (mm)
1	The polycystic aeration bolt (4 airbags)	32.25	102.5
2	The polycystic aeration bolt (2 airbags)	15.56	125.7
3	The grouting bolt (3.5 m anchorage length)	21.52	71.5