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Engineering case
The Xiaoxiangling Tunnel
Case introduction

The Xiaoxiangling Tunnel is located in the hilly area at the junction of Yuexi and Xide Counties. It is the first special long road tunnel in Liangshan Prefecture. It is divided into three parts: main tunnel, parallel guide tunnel and ventilation inclined shaft. The total length is 3432 meters. The grade highway standard has a design speed of 60 kilometers per hour and a total investment of about 348 million yuan.

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