• Corpus ID: 130170964

On stability evaluation of K924 tunnel along G217 line and its classifications for surrounding rocks

@inproceedings{Huaiy2010OnSE,
  title={On stability evaluation of K924 tunnel along G217 line and its classifications for surrounding rocks},
  author={Zhao Huai-y},
  year={2010}
}
The paper has the brief introduction of the engineering geological conditions for "K924+430~K925+055 section tunnel along 217 national line",has the stability evaluation and surrounding classifications for the tunnel,and concludes the tunnel's rock mainly consists of Ⅱ type rock and Ⅲ type rock follows with rare Ⅳ and Ⅴ mountainous rocks.