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    • 1. 发明专利
    • SUBMERGED CAISSON CONNECTING METHOD
    • JP2000240078A
    • 2000-09-05
    • JP4182499
    • 1999-02-19
    • TOYO CONSTRUCTIONTOA HARBOR WORKS CO LTD
    • MATSUMOTO HIDEMITSUYOSHIDA YASUOHORII RYOSUKEYAMAMURA KAZUHIRO
    • E02D29/073
    • PROBLEM TO BE SOLVED: To execute the final connection of submerged caissons even at a deep depth almost without requiring the diving work at a low cost in the execution of a submerged tunnel. SOLUTION: A final submerged caisson 10 to be sunk last is sunk between two existing caissons 1, 2, and it is hydraulically connected to one existing caisson 1. A tubular water stop tube member 20 outwardly inserted to the end section of the final submerged caisson 10 is moved to the existing caisson 2 side so that the end section of the final submerged caisson 10 is inserted to the rear end side of the water stop tube member 20 and the end section of the existing caisson 2 is inserted to the tip side. The gap between the inner periphery of the water stop tube member 20 and the outer peripheries of the final submerged caisson 10 and the existing caisson 2 is set to a water stop state. The water between the final submerged caisson 10 and the existing caisson 2 is drained, and the bulkheads of the final submerged caisson 10 and the existing caisson 2 are removed. The final submerged caisson 10 and the existing caisson 2 are connected by the aerial work, thereby the main underwater work for the final connection is only the movement of the water stop member 20.