The treatment methods of Nanshan tunnel water burst are introduced in drainage and waterproofing, to provide the importance of comprehensive treatment in controlling water burst of tunnel.

Caulking waterproofing is the last defense line of the entire waterproofing measures in shield tunnel.

Besides structural self-waterproofing of Xuanwu Lake Tunnel, Nanjing, an additional waterproofing layer was set up to ensure waterproofing reliability.