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Bozhou branch railway subgrade construction

Case introduction

The main line of Bozhou Spur Railway is 49.67 km long. It involves a total of three stations, namely Bole, Shuanghe and Bortala, with a total investment of 1.14 billion yuan. The Alatau Mountain Tunnel is the only single-line tunnel project in the whole line, with a length of 2,585 meters. Two-way construction of the tunnel. From June , the construction method was manually punched and replaced with a three-arm rock drilling rig for mechanical drilling. The daily progress of the tunnel was 6 meters, which accelerated the progress of the tunnel and accelerated the tunneling process.

Equipment configuration