Railway tunnel bottom structure drainage device and method to set up thereof

Railway tunnel bottom structure drainage device and method to set up thereof

  • CN 106,089,297 A
  • Filed: 07/29/2016
  • Published: 11/09/2016
  • Est. Priority Date: 07/29/2016
  • Status: Active Application
First Claim
Patent Images

1. a railway tunnel bottom structure drainage device, it is characterised in that including:

  • more than one graded broken stone bag and water guidePipe;

    Described graded broken stone bag is arranged in the cavity at tunnel basement rock EXIT POINT;

    Described grating is inserted in one end of described aqueductIn rubble bag, the other end is connected with central drainage pipe, and described central drainage pipe is arranged at tunnel inverted arch structural base.

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