Cold region operation tunnel lining water seepage treatment structure

• Main Authors: TENG JIANYONG, GUAN ZHAOSHUAI, WANG HOUMI, ZHENG SHENGTAO, LIU CHAO
• Format: Patent
• Language: Chinese; English
• Published: 16.06.2023
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS; SHAFTS; TUNNELS

The utility model relates to the field of tunnel lining water seepage protection, in particular to a cold region operation tunnel lining water seepage treatment structure. And the damage of freeze injury and water seepage to the tunnel structure is solved. The lining water seepage treatment structure comprises a waterproof heat preservation combination, a drainage hole and a heat preservation drainage pipe combination. The waterproof heat preservation combination comprises a non-woven fabric waterproof plate combination, a light steel rail and an anti-freezing heat insulation plate, the non-woven fabric waterproof plate combination is fixed to the surface of the secondary building lining, the light steel rail is arranged on the secondary building lining, and the anti-freezing heat insulation plate is fixedly installed through the light steel rail; the drain hole is communicated with the heat-insulating drain pipe combination; the thermal insulation drainage pipe combination comprises a longitudinal thermal in