| abstract |
The utility model discloses a kind of double lining tunnel equipped with insulation layer structure, the device includes tunnel main body, it includes tunnel-side and the tunnel roof at the top of the tunnel-side, the tunnel-side and tunnel roof are integrally formed, the tunnel-side and tunnel roof include the once lining and secondary lining being sequentially distributed from outside to inside, the separation layer using flexible material production is equipped between the once lining and secondary lining, the separation layer is used to be isolated the once lining active force when deformation occurs to the secondary lining.A kind of double lining tunnel equipped with insulation layer structure provided by the utility model, structure is simple, convenient and quick construction, waterproof performance are good, the setting of separation layer makes the stress of once lining and secondary lining definitely, the impervious waterproof ability of structure in tunnel is enhanced simultaneously, suitable for engineering fields such as the highway of the construction conditions such as complex engineering geology, hydrogeology, railway, rail tunnel and Hydraulic Tunnels. |