A pile foundation with an anti-impact structure for offshore wind power and a construction method thereof are provided. The anti-impact structure is sleeved on the pile foundation, and includes a first hoop, an impact absorption assembly and a second hoop. The impact absorption assembly includes a plurality of impact absorption rollers arranged around the pile foundation. Each of the impact absorption rollers includes a support shaft mechanism, an elastic absorber, a first sliding mechanism and a second sliding mechanism. The first sliding mechanism is slidably connected to the first hoop. The second sliding mechanism is slidably connected to the second hoop. The support shaft mechanism is rotatable relative to the first sliding mechanism and the second sliding mechanism.

A system includes a hole-through-middle (HTM) fender, a threaded rod passing through the fender such that the fender is configured to rotate with respect to the rod about an axis, a protective sheath surrounding the rod, and first and second mounting brackets into which the rod is threaded.

An offshore floating island includes a supporting structure and an island main body. The bottom of the supporting structure is fixed at the seabed, and the island main body includes one or two or more compartment bodies; the upper part of the supporting structure is provided with a carrying part; the bottom of each compartment body is provided with a mounting part; the compartment body is of a cavity structure, and a filler is injected to the compartment body till the compartment body sinks to cause the mounting part to be in lock type clamping with the carrying part. The island main body is of a compartment-sinking type structure; the filler is poured into the compartment bodies to cause the compartment bodies to sink; the mounting parts and the carrying part cooperate to realize detachable connection between the supporting structure and the compartment bodies.

An offshore floating island includes a supporting structure and an island main body. The bottom of the supporting structure is fixed at the seabed, and the island main body includes one or two or more compartment bodies; the upper part of the supporting structure is provided with a carrying part; the bottom of each compartment body is provided with a mounting part; the compartment body is of a cavity structure, and a filler is injected to the compartment body till the compartment body sinks to cause the mounting part to be in lock type clamping with the carrying part. The island main body is of a compartment-sinking type structure; the filler is poured into the compartment bodies to cause the compartment bodies to sink; the mounting parts and the carrying part cooperate to realize detachable connection between the supporting structure and the compartment bodies.

The present disclosure describes a resilient bumper that comprises an arc-shaped spring member that extends from a first end to a second end along a spring axis and includes an impact surface arranged between the first and second ends; and a support member that includes an attachment interface that extends in parallel to the spring axis of the spring member and is configured to releasably engage the first and second ends of the spring member. A bumper system and a marine structure are also described.

Marine fender (1) for engaging an offshore structure (10) during a transfer operation. The fender (1) comprises a mount (3) for fixing the fender (1) to a vessel (5). An engagement part (2) engages with an opposing surface (11) of the offshore structure (10) when the vessel (5) and opposing surface are forced together such that interface friction resists movement of the engagement part (1) over the opposing surface (11). A coupling (4) is provided connecting the engagement part (2) to the mount (3), wherein the coupling (4) comprises a regulating part for regulating the velocity of movement of the engagement part (2) over the opposing surface (11).

A floatation device configured to fit around a dock pier. The flotation device includes a body having a first circular section; a second circular section that form a circular opening to receive the dock pier therebetween; and a fastener configured to secure the first circular section to the second circular section.

A vertical pneumatic fender comprises a fender body having bowl-shaped hemispherical portions joined to both ends in the axial direction of a cylindrical body portion, and a weight that is connected to the bottom of the fender body. The vertical pneumatic fender accommodates ballast water in an interior space of the fender body, and is provided with a backup chain. One end of the backup chain is connected to the fender body in a position that is offset with respect to the axial line of the fender body, and the other end is connected to the weight. The fender body and the weight are connected with the backup chain in a sack state. The slope of an axial orthogonal reference line and an axial parallel reference line are detected by way of a reference line detector.

Marine fender for impact protection comprising a core of closed cell foam, wherein said core comprises at least one chamber substantially entirely surrounded by said closed cell foam and enclosing an elastically deformable closed object. The marine fender can comprise an intermediate layer that at least partly encloses the core and/or a coating that at least partly covers the intermediate layer.

An intelligent integrated anti-collision system and method for a pier, including: a radar sensing device disposed at the joint between the pier and a girder, image collection devices disposed around the pier, control system, hydraulic system and execution device, where the radar sensing and image collection devices transmit collected signals to the control system, which uses the hydraulic system to control the action of the execution device; the execution device is disposed at a middle part of the pier and includes a plurality of sections of steel-reinforced rubber concrete girder connected end to end through pulleys, the hydraulic system can drive the pulleys to rotate to enable the sections to be located on the same horizontal line, and an energy dissipation apparatus is disposed at the tail end of the last section to realize energy dissipation of the energy generated by impact when an object impacts the energy dissipation apparatus.