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    • 3. 发明专利
    • REGULATOR FOR ROAD SURFACE TEMPERATURE
    • JPH04319103A
    • 1992-11-10
    • JP11221491
    • 1991-04-18
    • TAISEI CORP
    • KOBAYASHI HIDEZOMATSUMOTO TADASHIKOGURE MUTSUMIMATANO YASUHIRO
    • E01C11/26
    • PURPOSE:To enable the temperature of road surface to be regulated by a method in which a heat-storing water tank having a heat insulating property for winter season and a heat-storing water tank for summer season are provided, and hot water or cold water from the water tank for winter or summer season is sent into a pipe buried in the roadbed. CONSTITUTION:A heat-storing water tank 1 having a heat-insulating property for winter season and a heat-storing water tank 2 for summer season are provided. A pipe 4 whose one end is connected to the tank 1 and the other end is connected to the tank 2 is buried in the roadbed 5, and water supply pumps 41 and 41' are provided to the way of the pipe 4. In the summer season, the pump 41 is actuated to send cold water 21 in the tank 2 to the pipe 4 to move it into the tank 1, where it absorbs heat from the roadbed 5 to store hot water 11 in the tank 1. In winter season, the pump 41' is actuated to hot water 11 in the tank 1 to the pipe 4 to move it into the tank 2, where the roadbed 5 is heated and cold water is stored into the tank 2.
    • 4. 发明专利
    • WATER STOP DEVICE AT OPEN END OF SUBAQUEOUS TUNNEL
    • JPH04149393A
    • 1992-05-22
    • JP27230490
    • 1990-10-12
    • TAISEI CORP
    • WADA KENJIKOGURE MUTSUMI
    • E02D29/07E02D29/073
    • PURPOSE:To surely stop water and enhance the construction property of a subaqueous tunnel by locking a reaction frame to the inside of an existing tunnel at near the exit of the tunnel in such a manner as allowing the frame to be freely attached and removed, and disposing opposite to the reaction frame a water stop having a water stop member provided around the peripheral portion thereof. CONSTITUTION:A reaction frame 52 made by a rigid frame body is fixed via a locking jack 53 to the joint portion of a ring piece 22 located at the front end of an existing tunnel 20. A water stop 52 having a water stop member 56 provided around the periphery thereof is connected to the frame 51 by a horizontal jack 57 to block the open end of the tunnel 20. A ring piece 23 is put in the tunnel 20 from the opening 12 of an underwater excavator disposed ahead of the tunnel 20, so that a gate 13 is closed. The piece 23 is pressed against and fixed to the piece 22 and then water between a bulkhead 14 and the stop 52 is drained. After the tunnel is newly excavated, the jack 53 is contracted and the frame 51 and the stop 52 are removed and shifted to another place and the opening of the piece 23 is blocked. Thereby the members of a water stop device can be easily and surely moved and water can be stopped and also automation is realized.