SCOURING PREVENTION WORK AND METHOD FOR CONSTRUCTING SCOURING PREVENTION WORK: Fid-Bau Portal

SCOURING PREVENTION WORK AND METHOD FOR CONSTRUCTING SCOURING PREVENTION WORK

YAMAMOTO MASATSUGU / USAMI EIJI / ARAKAWA KENSUKE

To provide a scouring prevention work that is easy to construct and can maintain a scouring prevention function over a long period of time, and a method for constructing the scouring prevention work.SOLUTION: After a scouring prevention mat 4 is laid on the ground 2 at a bottom of the water, a monopile 3 is driven approximately in the center of the scouring prevention mat 4. Then, a receiving frame 5 in which a crushed stone filling net 6 is arranged is installed around an outer periphery of the monopile 3. The receiving frame 5 is arranged in a gap 12 between the scouring prevention mat 4 and the monopile 3. The crushed stone filling net 6 is a net filled with a filler material, and is disposed inside the receiving frame 5 and held by the receiving frame 5.SELECTED DRAWING: Figure 2

【課題】施工が容易で、長期に亘って洗掘防止機能を維持できる洗掘防止工および洗掘防止工の施工方法を提供する。【解決手段】水底の地盤２上に洗掘防止マット４を敷設した後、洗掘防止マット４の略中央にモノパイル３を打設する。そして、モノパイル３の外周に、砕石充填網体６が配置された受枠５を設置する。受枠５は、洗掘防止マット４とモノパイル３との隙間１２に配置される。砕石充填網体６は、網体に充填材が充填されたものであり、受枠５の内部に配置されて受枠５によって保持される。【選択図】図２

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