The Application of Rock Anchors in Tunnel Construction

Tunnel is a construction built underground, underwater or in the mountain by laying railway or highway to let motor vehicles passing through. Based on the site selection, tunnel is divided into mountain tunnel, submerged tunnel and city tunnel. Because of the specificity of its location, exploration and digging must based on the surrounding terrain, geology and distribution of underwater. To ensure road traffic more smooth, we should reinforce and advance pre-support the tunnel when construction.

Sinorock rock anchors are commonly used throughout the civil engineering and tunneling industries. They are used to improve the stability and load bearing characteristics of a rock mass. In the tunneling industry, Sinorock rock anchors are used for horizontal fore-poling, slope stabilisation at the tunnel portal and for anchoring large section tunnels with high side walls.

The advantages:
· Greater productivity than conventional systems
· No casing required in collapsing ground conditions
· Unlimited service life
· Composed of high yield, low carbon steel
· Suitable for all ground conditions

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