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CONSTRUCTION METHOD OF FIXED-BOTTOM TYPE OFFSHORE MOUNT, FIXED-BOTTOM TYPE OFFSHORE MOUNT, AND OFFSHORE WIND POWER GENERATION DEVICE
To stably support a columnar support part in a self-standing posture even in an environment in which the columnar support part is exposed to a strong wind such as a typhoon.SOLUTION: A fixed-bottom type offshore mount 9 comprises: a steel-made foundation part 1 which is arranged in a sea bottom, and on which a granular weight 5 is mounted; a columnar support part 2 which is connected to the foundation part 1 at a lower end, and is arranged in the sea in a vertical posture so as to be protruded on a sea level at an upper end, and is formed of a steel pipe; and an anchoring mechanism 7 which suppresses the oscillation of the columnar support 2. The foundation part 1 comprises: a bottom plate part 11; a socket cylinder part 12; a plurality of fixed wall parts 13; a peripheral wall part 14 which forms an accommodation part 4 of the granular weight 5 at the inside; and a plurality of fixed wall parts 16. The foundation part is held in a constant position by the granular weight 5 which is mounted to the accommodation part 4, and holds the columnar support part 2 which is connected to the socket cylinder part 12 in a vertical posture. The anchoring mechanism 7 comprises: a plurality of cord bodies 70 which are extended in a radial shape in a flat face view, and are connected to an external peripheral part of the foundation part 1; and a tension adjustment mechanism 71 which adjusts the tension of the cord bodies 70. The oscillation of the columnar support part 2 is suppressed by the plurality of cord bodies 70 which are stretched between the columnar support body 2 and the foundation part 1.SELECTED DRAWING: Figure 2
【課題】台風等の強風に晒される環境においても支柱部を安定して自立姿勢に支持する。【解決手段】着床式洋上架台９は、海底に配置されて粒状錘５が積載される鋼鉄製の土台部１と、下端が土台部１に連結されて、上端を洋上に突出させるように上下姿勢で海中に配置される鋼管で形成された支柱部２と、支柱部２の揺動を抑制する係留機構７とを備える。土台部１は、底板部１１とソケット筒部１２と複数の固定壁部１３と内側に粒状錘５の収容部４を形成する周壁部１４と複数の固定壁部１６とを備え、収容部４に積載される粒状錘５によって定位置に保持され、ソケット筒部１２に連結された支柱部２を鉛直姿勢に保持する。係留機構７は、平面視放射状に延長されて土台部１の外周部に連結された複数の索体７０と、索体７０の張力を調整する張力調整機構７１とを備え、支柱部２と土台部１との間に張設された複数の索体７０により支柱部２の揺動を抑制している。【選択図】図２
CONSTRUCTION METHOD OF FIXED-BOTTOM TYPE OFFSHORE MOUNT, FIXED-BOTTOM TYPE OFFSHORE MOUNT, AND OFFSHORE WIND POWER GENERATION DEVICE
To stably support a columnar support part in a self-standing posture even in an environment in which the columnar support part is exposed to a strong wind such as a typhoon.SOLUTION: A fixed-bottom type offshore mount 9 comprises: a steel-made foundation part 1 which is arranged in a sea bottom, and on which a granular weight 5 is mounted; a columnar support part 2 which is connected to the foundation part 1 at a lower end, and is arranged in the sea in a vertical posture so as to be protruded on a sea level at an upper end, and is formed of a steel pipe; and an anchoring mechanism 7 which suppresses the oscillation of the columnar support 2. The foundation part 1 comprises: a bottom plate part 11; a socket cylinder part 12; a plurality of fixed wall parts 13; a peripheral wall part 14 which forms an accommodation part 4 of the granular weight 5 at the inside; and a plurality of fixed wall parts 16. The foundation part is held in a constant position by the granular weight 5 which is mounted to the accommodation part 4, and holds the columnar support part 2 which is connected to the socket cylinder part 12 in a vertical posture. The anchoring mechanism 7 comprises: a plurality of cord bodies 70 which are extended in a radial shape in a flat face view, and are connected to an external peripheral part of the foundation part 1; and a tension adjustment mechanism 71 which adjusts the tension of the cord bodies 70. The oscillation of the columnar support part 2 is suppressed by the plurality of cord bodies 70 which are stretched between the columnar support body 2 and the foundation part 1.SELECTED DRAWING: Figure 2
【課題】台風等の強風に晒される環境においても支柱部を安定して自立姿勢に支持する。【解決手段】着床式洋上架台９は、海底に配置されて粒状錘５が積載される鋼鉄製の土台部１と、下端が土台部１に連結されて、上端を洋上に突出させるように上下姿勢で海中に配置される鋼管で形成された支柱部２と、支柱部２の揺動を抑制する係留機構７とを備える。土台部１は、底板部１１とソケット筒部１２と複数の固定壁部１３と内側に粒状錘５の収容部４を形成する周壁部１４と複数の固定壁部１６とを備え、収容部４に積載される粒状錘５によって定位置に保持され、ソケット筒部１２に連結された支柱部２を鉛直姿勢に保持する。係留機構７は、平面視放射状に延長されて土台部１の外周部に連結された複数の索体７０と、索体７０の張力を調整する張力調整機構７１とを備え、支柱部２と土台部１との間に張設された複数の索体７０により支柱部２の揺動を抑制している。【選択図】図２
CONSTRUCTION METHOD OF FIXED-BOTTOM TYPE OFFSHORE MOUNT, FIXED-BOTTOM TYPE OFFSHORE MOUNT, AND OFFSHORE WIND POWER GENERATION DEVICE
着床式洋上架台の構築方法、着床式洋上架台、及び洋上風力発電装置
OTSUKA HIROAKI (author)
2024-06-05
Patent
Electronic Resource
Japanese
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