| 摘要 |
PROBLEM TO BE SOLVED: To provide a sluice gate facility of a bay mouth capable of reducing weight for its scale and easily opening and shutting a gate door within a short period by simple power equipment. SOLUTION: The sluice gate facility includes a plurality of caissons 12 located between a pair of revetments 10 partitioning the bay mouth with a predetermined navigation width W and immersed in a straight arrangement by aggregating on the bottom of the sea, the gate door 14a stored along a vertical guide 18 provided to the inside of each caisson 12 in a liftable manner and a driving mechanism for lifting and lowering the gate door 14a by remote control from the ground surface, and the gate doors 14a are straight arranged on the water surface between the revetments 10 at a lifting position to partition the inside and outside of a harbor. COPYRIGHT: (C)2003,JPO
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