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The completion of the tunnel can not be separated from the application of self drilling rock bolts
Based on the site selection, tunnels are divided into mountain tunnels, submerged tunnels, and urban tunnels. Due to the particularity ... ...



The completion of the tunnel can not be separated from the application of self drilling rock bolts

Based on the site selection, tunnels are divided into mountain tunnels, submerged tunnels, and urban tunnels. Due to the particularity of the location, its survey and excavation must be based on the surrounding topography, geology and underwater distribution. In order to ensure smooth traffic capacity, the tunnel should be strengthened and ... Read More ...
Posted on: 06/07/18



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