Bolt Spacing: 1 m

Bolt Number: in galleries (5); in the diagonal direction (7)

Bolt Length: 1.50 m; active length: 1.40 m

Point-anchor/resin-assisted; length of resin column: 0.75 m

Bolt Diameter (?: 16 mm

Bolt Capacity: 10,000 kg

Pre-tension: 12 Kgf/m

Grade of Steel: 540 MPa