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Pile periphery scouring protection device and method for offshore wind power single pile foundation
According to a pile periphery scouring protection device and method for an offshore wind power single pile foundation, a protection shell of an annular curved surface body structure is annularly arranged on the outer side of the to-be-protected single pile foundation, the lower end of the protection shell makes contact with and is fixed to a seabed, and a stable protection structure is formed on the outer side of the to-be-protected single pile foundation, the generation of pile periphery vortex can be effectively reduced, the extreme flow velocity of pile periphery water flow is further reduced, stone is prevented from colliding with the single-pile foundation when the stones are thrown and filled at a closer position, powerful protection for the single-pile foundation is formed. The section of the protection shell along the axis of the protection shell is of a hyperbolic curve structure, throwing and filling stone is arranged on the outer side of the protective shell, the stone is effectively utilized to form pressure on the outer side of the curved surface of the protection shell, the protection shell is pressed on the seabed, and loosening caused by disturbance of seawater is prevented; and meanwhile, the upper end of the protection shell is located below the sea level, so that the protection shell is prevented from being scoured by the sea level, and the situation that the protection shell is unstable due to the fact that the protective shell is too high is avoided.
本发明公开了一种海上风电单桩基础桩周冲刷防护装置及方法，采用环形曲面体结构的防护壳体环形设置在待防护单桩基础外侧，将防护壳体下端与海床接触固定，在待防护单桩基础外侧形成稳定的防护结构，能够有效减缓桩周旋涡生成，进而减少桩周水流极端流速的作用，同时能够在较近的位置抛填石料时，有效防止石料同单桩基础碰撞的发生，对单桩基础形成有力的保护。防护壳体沿其轴线的剖面为双曲线结构，防护壳体外侧设置抛填石料，有效利用石料在防护壳体曲面外侧形成压力，将防护壳体压紧于海床上，防止受海水的扰动而松动；同时，将防护壳体上端位于海平面下方，避免海面对防护壳体造成的冲刷，同时避免了过高而造成防护壳体不稳定的情况。
Pile periphery scouring protection device and method for offshore wind power single pile foundation
According to a pile periphery scouring protection device and method for an offshore wind power single pile foundation, a protection shell of an annular curved surface body structure is annularly arranged on the outer side of the to-be-protected single pile foundation, the lower end of the protection shell makes contact with and is fixed to a seabed, and a stable protection structure is formed on the outer side of the to-be-protected single pile foundation, the generation of pile periphery vortex can be effectively reduced, the extreme flow velocity of pile periphery water flow is further reduced, stone is prevented from colliding with the single-pile foundation when the stones are thrown and filled at a closer position, powerful protection for the single-pile foundation is formed. The section of the protection shell along the axis of the protection shell is of a hyperbolic curve structure, throwing and filling stone is arranged on the outer side of the protective shell, the stone is effectively utilized to form pressure on the outer side of the curved surface of the protection shell, the protection shell is pressed on the seabed, and loosening caused by disturbance of seawater is prevented; and meanwhile, the upper end of the protection shell is located below the sea level, so that the protection shell is prevented from being scoured by the sea level, and the situation that the protection shell is unstable due to the fact that the protective shell is too high is avoided.
本发明公开了一种海上风电单桩基础桩周冲刷防护装置及方法，采用环形曲面体结构的防护壳体环形设置在待防护单桩基础外侧，将防护壳体下端与海床接触固定，在待防护单桩基础外侧形成稳定的防护结构，能够有效减缓桩周旋涡生成，进而减少桩周水流极端流速的作用，同时能够在较近的位置抛填石料时，有效防止石料同单桩基础碰撞的发生，对单桩基础形成有力的保护。防护壳体沿其轴线的剖面为双曲线结构，防护壳体外侧设置抛填石料，有效利用石料在防护壳体曲面外侧形成压力，将防护壳体压紧于海床上，防止受海水的扰动而松动；同时，将防护壳体上端位于海平面下方，避免海面对防护壳体造成的冲刷，同时避免了过高而造成防护壳体不稳定的情况。
Pile periphery scouring protection device and method for offshore wind power single pile foundation
一种海上风电单桩基础桩周冲刷防护装置及方法
QIU XU (author) / ZHANG BO (author) / CHEN XINMING (author) / JIANG XULIANG (author) / YAO HUI (author) / LI XUEDONG (author) / SHAO BINTIAN (author) / WU KAI (author) / ZHANG GUANWU (author) / JIANG DONG (author)
2021-08-06
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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