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金沙洲隧道是武广客专线新广州段重点控制工程,是铁道部十大难点。该段DK2192+895～+940外部山体破坏严重,存在偏压问题。施工中采用洞外反压及洞内管棚加小导管支护,顺利通过该区域。
The Jinshazhou Tunnel is a key control project of the Guangzhou section of the Wuhan-Guangzhou passenger dedicated line and is the top ten difficulties for the Ministry of Railways. The section of DK2192 +895 ~ +940 external mountain destruction, there is bias problem. The construction of the use of holes outside the cave and the tunnel within the tube plus a small catheter support, the smooth passage of the region.