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CT-Rock Bolt

Description

    CT-Rock bolts, a hybrid type rock bolt that combines a point anchored type with a fully bonded type, fixes a rock bolt to a borehole using a rock shell until the strength of mortar develops and distributes mortar evenly throughout the entire borehole length using combi tubes(steel dome and P.E tube)

Features

  • A rock shell fixes a rock bolt on the ceiling of a tunnel and makes construction easy
  • A rock shell works as a spacer for rock bolts installed on the side of a tunnel and prevents eccentricity
  • Mortar injected with 20 Bar pressure infiltrates into joints and cracks, and blocks groundwater
  • Combi tubes prevents corrosion by blocking ground water and air as well as direct contact between a rock bolt and borehole surface
  • Grouting result can be monitored as mortar comes back out of PE tube and a borehole

Installation Flow

Differentiation