134results about How to "Good wave dissipation effect" patented technology

The invention discloses a water-breaking energy-dissipation permeable box type single floating body capable of being assembled, which comprises a hexahedral casing with open front and rear ends; two middle flat plates, which are isolated from each other and connected with the left and right wall plates of the casing, are horizontally arranged in the casing; four inclined plates, which are inclined towards the interior of the casing and connected with edges of the upper and lower wall plates of the casing and edges of the middle flat plates, are arranged at the front and the rear parts of the casing in positions between the upper and lower wall plates of the casing and the middle flat plates respectively; included angles Alpha are formed between the inclined plates and the upper and lower wall plates of the casing; aerofoil-like water diversion structures are arranged between the two middle flat plates in positions close to the front and rear edges of the casing respectively; the end sections of the aerofoil-like water diversion structures are triangular; the two ends of each aerofoil-like water diversion structure are respectively connected with the left and right wall plates of the casing; two floating boxes are respectively clung to and connected with the outer sides of the left and right wall plates of the casing; and a plurality of through holes are uniformly formed in the upper and lower wall plates of the casing, the middle flat plates and the inclined plates. Such assembled water-breaking energy-dissipation permeable box type single floating bodies provided by the utility model can be assembled into a floating breakwater, have favorable water-breaking energy-dissipation effects and good stability and are easy to manufacture and low in cost.

The invention discloses a wave dissipation structure suitable for sloping sea dikes. The structure comprises a sloping dike and a siltation promoting and beach protecting longitudinal dike arranged on the front beach land of the sloping dike, wherein the outside slope surface of the sloping dike is built by two stages of slopes and a wave dissipation platform between the two stages of slopes; barrier board protection slopes are paved on the surfaces of the two stages of slopes; an upper wave dissipation structure is arranged on the barrier board protection slope of the upper slope of the wave dissipation platform; a lower wave dissipation structure is further arranged on the barrier board protection slope of the lower slope of the wave dissipation platform; and further on, a middle wave dissipation structure is added to the outside edge of the wave dissipation platform. The structure has the following beneficial effects that: the physical model experiments prove that the wave dissipation effect is obviously improved; the wave overtopping rate can be reduced by 65-89%; and on the one hand, the structure can be used for heightening and reinforcing the sloping dike, and on the other hand, the dike elevation can be reduced and the investment can be saved if the new dikes adopt the wave dissipation structure and the wave dissipation method.

The invention discloses an openwork breakwater which is characterized by comprising a pile foundations (5), wherein the pile foundations (5) are fixed under water; the upper end of each pile foundation is provided with an openwork breakwater horizontal plate (3); both the front and rear sides of the openwork breakwater horizontal plate (3) are provided with an outside manger board (1) and an inside manger board (2) which extend into water; and the openwork breakwater horizontal plate (3) is also provided with a wave wall. The openwork breakwater is simple in structure and low in cost, is specially applicable to sea areas with deep water depth and hostile environments, and is more consistent with the actual wave-breaking situation, thus playing a preferable wave-breaking effect and ensuring the stabilities of the sea areas in a harbor.

The invention discloses a floating type device integrating wave dissipation and offshore culture, and belongs to the field of comprehensive utilization of structures of coastal engineering. The floating type device comprises wave dissipation units with a net cage function, a floating type wave prevention box and an anchoring structure, and is characterized in that each wave dissipation unit consists of a basic block body, an artificial rigid plant and a net cage type wave dissipation drum; the wave dissipation units are fixedly embedded into the wave prevention box by the basic block bodies and are spliced with one another to form an integrated structure; the whole device floats on a sea surface and is fixed at the seabed through anchor chains. By the combination of three functions of wave dissipation of the floating type wave prevention boxes, revetment of the rigid plants and offshore culture, the floating type device integrating wave dissipation and offshore culture is provided. Due to the design, the wave dissipation performance of the floating type wave prevention boxes can be improved, and good conditions are provided for offshore culture.

The invention relates to a construction method of a marine ranch with a wave eliminating function. The construction method comprises the following steps: in an off-shore sea area, adopting a steel pipe pole for constructing a plurality of rows of spaced arrays along a wave approaching direction, and forming a steel pipe pole reef cluster in matrix arrangement; compounding a plurality of reef balls and / or old tires at intervals along the length direction on the steel pipe pole to form a compound reef body; constructing a plurality of rows of suspended raft seaweed cultivation belts along the wave approaching direction on the back wave surface of the steel pipe pole reef cluster; arranging a plurality of rows of fish aquaculture net cages along the wave approaching direction on the back wave surface of the raft seaweed cultivation belts; and constructing a frame type shellfish culture net cage in an off-shore area. The construction method provided by the invention has the advantages that over-fishing is prevented while a long-time habitat is provided for benthic organisms, the effect of reducing the wind and waves is achieved by virtue of reasonable resource allocation, and output of aquaculture is guaranteed.

The invention discloses breakwater units and breakwater system which can achieve wave elimination under normal sea conditions and can sink or float in extreme sea conditions. The breakwater system comprises the plurality of breakwater units. Each breakwater unit is composed of a floating body part and an underwater part, wherein the floating body part is composed of a sealing empty box on the upper layer, a ballast water tank on the middle layer and an air bag box on the bottom layer, and the sealing empty box, the ballast water tank and the air bag box are fixedly connected; the ballast watertank on the middle layer is a hollow inclosed cavity, the ballast water tank is provided with a water drain valve and a water inlet valve, and the water drain valve and the water inlet valve are connected to an external buoy I through a connecting pipe; and at least one air bag fills the air bag box on the middle layer, the air bag is provided with an air inlet valve and an air vent valve, the air inlet valve and the air vent valve are connected to an external buoy II through a connecting pipe, the underwater part is composed of rigid supports and suspended tires, and the rigid supports are arranged in parallel. The breakwater units and the breakwater system can not only reasonably avoid extreme sea conditions and reduce the cost of a mooring system, but also meet the requirements of waveresistance and elimination in normal working conditions. The breakwater units and the breakwater system have the characteristics of low cost and environmental friendliness.

The invention discloses a porous floating breakwater. The porous floating breakwater comprises a plurality of breakwater units connected in sequence, wherein each breakwater unit comprises a first buoyancy tank, a second buoyancy tank, connecting rods and two vertical plates, the first buoyancy tank and the second buoyancy tank are rigidly connected through the connecting rods and are connected with an anchoring balancing weight through an anchor chain for anchoring, the two vertical plates are fixedly mounted on the connecting rods, water holes are formed in both vertical plates, and aperture ratio of the water holes in the vertical plates is 9%-11%. The porous floating breakwater is good in wave dissipating effect, small in structure stress, good in safety, simple in structure, convenient to construct and wide in applicable range and has important actual significance in wave resistance of port engineering.

The invention discloses a sand-fixing and wave-breaking hydraulic-filled island-reef revetment made of a basalt fiber. The revetment comprises fixing vertical columns, a solidification layer, porous wave-breaking pipes, a basalt tied rebar grid layer and crisscross water-blocking rods, wherein the porous wave-breaking pipes are vertical hollow pipes; symmetrical wave-breaking holes are formed in the pipe walls of the vertical hollow pipes; and the fixing vertical columns, the solidification layer, the porous wave-breaking pipes and the crisscross water-blocking rods are all formed by pouring cement onto basalt fiber tied rebars and then coating the cement-poured basalt fiber tied rebars with basalt impermeable geotextile. The revetment disclosed by the invention is environmentally friendly, modular in production, light in weight, resistant to corrosion, short in construction period, convenient to construct and strong in anti-wave capability; the revetment is made of a basalt fiber composite, and the basalt fiber is not only relatively high in mechanical property but also strong in corrosion resistance, relatively high in cost performance, long in service life and free of secondary pollution; and therefore, not only is the surrounding ecological environment protected from damage, but also the apposition growth of oysters, corals and other sea creatures is facilitated.

The invention discloses a wave dissipation terminal of a wave dissipation plate. The wave dissipation terminal of the wave dissipation plate comprises a head portion, a first elastic piece and an installing block, wherein one end of the first elastic piece is connected with one side of the head portion, the other end of the first elastic piece is connected with the installing block, and the outside of the head portion protrudes outwards. The wave dissipation terminal can effectively dissipate the energy of a wave, the wave after being dissipated reduces the wave loading exerted on an object where the wave dissipation terminal is installed, and therefore the impact and the damage on the object where the wave dissipation terminal is installed are reduced to a great extent. The wave dissipation terminal is simple in structure, capable of achieving modular production, low in production cost, convenient to assemble and disassemble, capable of changing an arrangement mode according to specific needs, capable of being recycled and capable of being widely applied to water conservancy projects of large-scale water bodies like oceans, lakes, reservoirs and rivers. The invention further discloses the wave dissipation plate provided with the wave dissipation terminal. In addition, the invention further discloses a breakwater provided with the wave dissipation plate.

The invention discloses a rectangular square box breakwater structure, which comprises an anchorage (1), an anchor chain (2), a rectangular square box (3), a vertical-type outer-side wave stopping board (4), a vertical-type wave stopping board (5), an inner-side wave stopping board (6) and a wave stopping wall (7) and the like. A physical model testing device of the rectangular square box breakwater structure comprises the rectangular square box (3), a hoisting ring screw (8), a key ring button (9), a steel wire rope (10), a spring (11), a metal hook (12), a steel wire rope clip screwing off screw (13), an expansion screw (14), a foundation (15), a wave stopping board steel ruler (16), a board (17), a horizontal steel ruler (18), a slider (19) and a wave stopping wall steel ruler (20) and the like. The testing operation is concise, and the cost is lower. The rectangular square box breakwater structure and the physical model testing device are simple in structure, convenient to construct, strong in mobility, good in hydrophilism, less in environmental influence within a port, and are specially suitable for seas with larger water depth; and the wave dissipating effect is promoted to a certain degree.

The invention provides a wave dissipating wall with multi-layer combined pipes and floating hoses and is characterized in that the wave dissipating wall is formed by connecting a plurality of sections of floating-type wave dissipating walls which are anchored off the coast around a wharf or a marine floating platform. The wave dissipating wall comprises a supporting frame, wave dissipating pipes, wave drain openings reserved on the upper portions and the lower portions and on the left sides and right sides of the wave dissipating pipes, the floating hoses with both ends sealed, sealing caps, rubber protection pads, shock-resistant connecting pieces, an anchor and the like. The wave dissipating wall is reasonable in structure, ingenious in design, simple in structure, convenient to connect, rapid in structuring and low in cost. Further, modularized assembly of the wave dissipating wall can be performed at sea, maintenance and replacement of the modules are easy, and therefore the wave dissipating wall is convenient to popularize and apply. By the wave dissipating wall, not only a leisure platform, but a temporary floating wharf can be set at sea, so that application prospect of the same is promising.

The invention discloses a breakwater and a wave power generation device. The breakwater is provided with a transformer substation. The outer side face of the breakwater is provided with a plurality of wave prevention holes which open towards the sea. An annular boss is arranged on the outer side face of the breakwater and close to the edges of the wave prevention holes. The positions, close to all the wave prevention holes, of the breakwater are respectively provided with a cavity. The wave power generation device comprises swinging plates, energy conversion mechanisms and at least one waterproof generator, wherein the swinging plates are arranged in the corresponding wave prevention holes and swing along with waves, the energy conversion mechanisms are located in the corresponding cavities, and all the waterproof generators are electrically connected with the transformer substation respectively. The breakwater and the wave power generation device have the advantages that the wave power generation device is arranged in the breakwater, so that space is saved, and cost for fixing the wave power generation device on the sea is omitted; moreover, the breakwater plays a good role in protecting the wave power generation device, so that the service life of the wave power generation device is prolonged; the efficiency of conversion from wave energy to electric energy is high.

The present invention discloses a water permeability concrete barrier board and a preparation method thereof, and belongs to the field of hydraulic engineering and marine engineering. According to the water permeability concrete barrier board, the large doping amount fly ash cementing material or composite cementing material is adopted as the substrate, the nanometer bentonite modified potassium magnesium phosphate cement protection reinforcing steel bar or FRP bar is adopted as the reinforcement material, the reinforcing steel bar matching and protection surface parameter is calculated according to the used environment, and the water permeability concrete edge beam, the concrete floor protection plate and the water permeability concrete grid are subjected to cast-in-site and partial or whole precast so as to obtain the water permeability concrete barrier board, wherein the surface roughness is increased, and the water permeability effects of the communication hole between the edge beam and the internal of the grid is provided, such that the levee protection surface structure can be endowed with the water permeability energy dissipation, the maximum forward direction wave pressure intensity can be weakened, and the wave climb performance can be limited; and the 28 day compressive strength of the water permeability concrete of the water permeability concrete barrier board is more than 40 MPa, the levee top wave overtopping of the water permeability concrete barrier board is reduced by 15-25% compared with the ordinary barrier board, and the water permeability concrete barrier board can be used for the protection surface structure of the river bank, the sea bank and the training jetty of the sea bank, wherein the integrated precast barrier board can be reused.

The invention discloses a three-dimensional multidirectional beach reflection element comprising an outer ring surface, a through hole, a flaky splitting structure and a fin structure, wherein the through hole is arranged on the central axis of the outer ring surface, the flaky splitting structure is connected between the through hole and the outer ring surface, and the fin structure is arranged on the surface of the flaky splitting structure. The three-dimensional multidirectional beach reflection assembly is formed by connecting a plurality of three-dimensional multidirectional beach reflection elements which are arranged periodically in a way that small ones and big ones are spaced along the axis in series. In addition, the invention also provides the application of the assembly. The assembly of the invention can serve as the main body structure of a beach reflection floating jetty or a wave retardant structure, has the effect and benefit that the assembly can simultaneously produce beach reflection and stream movement retardant on three dimensionalities of axial direction, radial direction and circumference. The jetty formed by the wave retardant assembly can consume small-scale wave energy, reduce wave height after the jetty and retard stream speed. The jetty has simple structure, outstanding beach reflection effect, quick construction and easy movement, and building cost is reduced along with the increase of water depth; in addition, the jetty does not affect the circulation of sea water and is a jetty with wide application prospect.

The invention discloses an ice-resisting and wave-dissipating device for a pile column. The ice-resisting and wave-dissipating device comprises an upper cone and a lower cone which are in upper-down symmetric, wherein a sleeve is arranged at the central positions of the upper cone and the lower cone; the top of the sleeve is connected to the top of the upper cone; the bottom of the sleeve is connected to the bottom of the lower cone; the middle part of the sleeve and the buckled part of the upper cone and the lower cone are welded and fixed by a supporting plate; through holes are formed in the upper cone, the lower cone, the sleeve and the supporting plate; a wave dissipating chamber is jointly formed by the upper cone, the lower cone, the sleeve and the supporting plate; by using the slopes of the surfaces of the upper cone and the lower cone, the condition that sea ice is bent and damaged when the upper cone and the lower cone and the sea ice mutually act is avoided.

The invention discloses a wave-resisting net cage framework, which comprises an upper-layer framework and a lower-layer framework, wherein the upper-layer framework and the lower-layer framework are square, the upper-layer framework consists of an inner framework and an outer framework arranged outside the inner framework in parallel, the inner framework and the outer framework are connected through a first connecting piece, the lower-layer framework is a single framework and is arranged below the outer framework in parallel and is concentric with the outer framework, the outer framework and the lower-layer framework are connected through a second connecting piece, and the upper-layer framework and the lower-layer framework respectively comprise sealing tubes. Through the double-framework upper-layer framework and the single-framework lower-layer framework, the buoyancy of the upper-layer framework is greater than that of the lower-layer framework, the stability of the whole net cage in typhoon or gale wave is increased, so that the whole net cage can be still stable under wave impact, and the oscillating of the net cage can be remarkably reduced; and the upper-layer framework is a double-framework, the inner framework is used for hanging a net bag, and the outer framework plays a role in enhancing wave reduction effect, so as to prevent surge from damaging fish cultivated in the net cage.

The invention belongs to the technical field of ecological restoration and provides a wave dissipating technology for improving basic environment for restoration of aquatic plants in a large shallow lake. Specific to that wind wave perturbance of the large shallow lake is large, an engineering wave dissipating member comprises concrete piles and bamboo rafts, the concrete piles are distributed around a defense area to defend stormy waves, and matched with the bamboo rafts inside the defense area to improve defense effect. The concrete piles are distributed in a staggered manner to form wave dissipating zones to baffle, reflect and break waves and friction of water and the piles so as to reduce waves in the target area; the wave dissipating bamboo rafts are fixed on anchor piles, and waves are broken and eliminated by relative motion of floating floor members of the bamboo rafts and the water body. By the wave dissipating technology, wave affection of the lake can be reduced, resuspension of sediments is controlled, the basic environment is provided for restoration of the aquatic plants in the lake, and a purpose for improving water quality is achieved.

The invention relates to a precast fence plate dam reinforcing method. The method comprises the following steps of: firstly precasting a fence plate, and conserving the precast fence plate until 75% of the design strength standard value is achieved; paving a layer stone blocks on a dam surface to be constructed, manuacturing a screed strip underlayer on the stone blocks, conveying the precast fence plate to a to-be-reinforced dam, manually regulating the position so that the fence plate is placed on the screed strip underlayer, and performing edge beam form erecting after placement is finished; then binding edge beam steel bars, pouring concretes, vibrating, trowelling, conserving until the dam is qualified, and then dismounting a template, thus finishing dam reinforcing construction. The fence plate dam reinforcing construction method is high in efficiency, low in cost, easy for formation of multiple parallel working surfaces and less in influence of tide water on construction; and furthermore, fence plates are connected by virtue of the steel bars and are poured by the concretes, a molded dam reinforcing structure has two advantages of reliable protective property and good wave eliminating effect, and is less in wave overtopping amount and long in service life.

The invention discloses a floating breakwater unit body with a frame provided with thin films with holes. The floating breakwater unit body comprises the cuboid frame formed by twelve edges, and the horizontal top thin film with the holes is laid on the upper end face of the cuboid frame, wherein the top thin film with the holes is connected with the edges. The multiple layers of horizontal lower middle loose thin films with the holes are arranged in the height direction from the upper end face to the lower end face at equal intervals, wherein the horizontal lower middle loose thin films with the holes are connected with the front end and the rear end of the cuboid frame, and the length of the horizontal lower middle loose thin films with the holes is larger than that of the cuboid frame. The perpendicular thin films with the holes are laid on the front end face and the rear end face of the cuboid frame respectively, wherein the perpendicular thin films with the holes connected with the edges. Retaining rings used for splicing and connecting moorings are further arranged at the eight corners of the cuboid frame structure. The floating breakwater unit body is good in wave eliminating effect, small in structure restoring force, capable of well shielding long waves and short waves, convenient to construct and maintain and suitable for water areas which have different water depths and are not suitable for the construction of traditional form breakwaters.

The invention discloses a wave wall structure with a movable manger board, which belongs to the field of the breakwater structure construction. The wave wall structure comprises a wave wall body (1), the movable manger board (2), a door hinge connector (3), a weight block (4), an inhaul cable (5), a hand ring (6), a support rod (7) and a tensioner (8). The wave wall structure with the movable manger board mainly comprises the wave wall body and the movable manger board, wherein the wave wall body and the movable manger board are formed into a whole by the door hinge connector. According to the wave wall structure, action on a wave bank by wave can be effectively resisted, the top elevation of the breakwater, the breast wall top elevation, the altitude of the wave in front of the bank and the bank top wave overtopping rate are effectively lowered, the wave dissipating effect of the breakwater is greatly improved, and the engineering quantity of the breakwater can be effectively reduced.

The invention discloses a pile foundation permeable bulwark integrating the power generation function and an achieving method, and belongs to the field of bulwarks. The pile foundation permeable bulwark comprises an air chamber, an air turbine, a power generator set, a wave baffle, a beam and a pile foundation. The air chamber is composed of an air chamber front wall, an air chamber top plate and an air chamber rear wall. The air chamber front wall is located on the wave facing side. The air chamber top plate is provided with an airflow channel. The air turbine and the power generator set are arranged in the airflow channel. The wave baffle is located below the air chamber rear wall. The beam is arranged between the pile foundation and the air chamber. Under the premise that the bulwark plays an original wave stopping and eliminating role, the wave energy power generation function is integrated, composite function utilization of traditional buildings is achieved, and environment friendliness is achieved. Meanwhile, the pile foundation permeable design is adopted in the bulwark, exchange of water inside and outside a port is allowed, and environment friendliness is obvious.

The invention discloses a tuning permeable vibration-damping power generation device for an ultra-large floating structure.The power generation device comprises a wave-facing end portion vertically installed on the floating structure and an underwater tail portion and comprises a first permeable vibration-damping plate, a second permeable vibration-damping plate and hydraulic transmission constraint systems, the floating structure is vertically connected with the first permeable vibration-damping plate through the first hydraulic transmission constraint system, the first permeable vibration-damping plate is vertically connected with the second permeable vibration-damping plate through a second hydraulic transmission constraint system, the first permeable vibration-damping plate and the floating structure conduct relative vertical motion, the first permeable vibration-damping plate and the second permeable vibration-damping plate conduct relative vertical motion, and a generator is driven by the first hydraulic transmission constraint system and the second hydraulic transmission constraint system to generate power respectively.According to the tuning permeable vibration-damping power generation device for the ultra-large floating structure, the transmitted wave height is significantly decreased by means of interaction of the vibration-damping plates and incoming waves, the hydroelastic response of the ultra-large floating structure is reduced, wave power generation can be conducted through vertical motion of the vibration-damping devices, and the construction cost and difficulty of an ultra-large floating structure and vibration-damping power generation device integrated structure system are reduced.

The invention discloses a combined-type submerged breakwater structure. The combined-type submerged breakwater structure comprises a rigid submerged breakwater wave-blocking structure and a flexible plant wave-dissipating structure which are arranged side by side, and thus has a good wave dissipating effect; the rigid submerged breakwater wave-blocking structure is designed based on the Bragg resonance principle and has obvious wave preventing and bank protection effects; the flexible plant wave-dissipating structure adopts emergent flexible aquatic plants to dissipate waves, thus the water body environment can be significantly improved, and ecological benefits are maintained; and meanwhile, the flexible plant wave-dissipating structure is of a concrete frame structure and can form a goodsea water flow channel, and exchange of water bodies on the two sides and swimming of aquatic creatures are facilitated. The invention further discloses a manufacturing method of the combined-type submerged breakwater structure. After related data of a target sea area are collected, wave peak column body units are prefabricated and periodically arrayed, and then the flexible plant wave-dissipatingstructure is laid. The manufacturing method is low in cost, and construction is convenient; and practical value and ecological significance are both achieved.

The invention relates to wave removing building block used to form wave removing wall body. The wave removing building blocks includes building blocks main body includes top side, under side, two end sides. The side surface of the head sea direction is set protrusive convex body includes end and root connected with the building blocks. Many similar wave-removing building blocks are processed dislocation stacking to form wall body. The protrusive convex faces head sea direction. The invention provides wave removing building blocks and the forming wall body with wave removing function.

An emergency type wave dissipation pipe combined floating breakwater is formed by connecting three-pipe combined emergency floating breakwater wave dissipation units in series. Each wave dissipation unit is formed by arranging a transparent wave dissipation pipe and two airbag type wave dissipation pipes in a triangular shape and fixed by two triangular fastening frames with quick lock catches. Self-tightening anchor cable motors are fixed to the two sides of each triangular fastening frame and connected with an anchor cable, and anchor hooks are arranged at the bottom ends of the anchor cables. The wave dissipation units are connected through self-tightening connecting bands in series. The transparent wave dissipation pipes and the airbag type wave dissipation pipes are each of a cylindrical structure formed by assembling three 120-degree arc-shaped PVC plates, and the three 120-degree arc-shaped PVC plates of each wave dissipation pipe are fixed by annular fastening frames with quick lock catches. The emergency type wave dissipation pipe combined floating breakwater has the advantages that the breakwater is fast to assemble, capable of being repeatedly utilized, low in manufacturing cost and good in wave dissipation effect. Water turbulent fluctuation and reflection can be fully utilized by the transparent wave dissipation pipes for wave dissipation, and the wave dissipation characteristic is greatly improved; the water entry depth of the breakwater can be quickly adjusted through the airbag type wave dissipation pipes.

The invention discloses a flexible assembly type offshore photovoltaic power generation and aquaculture net cage comprehensive development platform, and relates to the field of offshore photovoltaic power generation structure design and offshore net cage culture. The platform comprises photovoltaic units, mooring units and net cage units, and the mooring units are arranged on the outermost side of the whole structure array and surround the whole structure. The photovoltaic units are arranged in a ring defined by the mooring units, and the net cage units are distributed in the photovoltaic units or arranged on the ring defined by the mooring units. According to the platform, the photovoltaic units are of an array structure formed by splicing small units, the units are connected through double-hinge connectors, and the platform structure has high wind wave resistance, can achieve comprehensive development and utilization of offshore photovoltaic power generation and offshore net cage culture, has a certain wave dissipation capacity, and has the advantages of being easy and convenient to construct, convenient and fast to maintain and the like.

The invention discloses a combined type breakwater. The combined type breakwater comprises a connecting structure and a plurality of breakwater units, wherein each breakwater unit comprises a box structure and a mooring structure, wherein the box structure comprises a wave approach side plate and a wave back side plate, a first floating plate is rotationally connected on the wave approach side plate, and a second floating plate is rotationally connected on the wave back side plate; the first floating plate and the second floating plate swing up and down along with the motion of waves; the boxstructure is flexibly connected with the seafloor through the mooring structure and floats on the water surface; supporting plates connected with the wave approach side plate and the wave back side plate are respectively arranged on the two sides of the box structure; and the close supporting plates of the adjacent floating breakwater units are connected through a connection structure. The floating breakwater has a good wave dissipating performance, a high safety performance of the structure self, a simple structure and convenience in construction and maintenance.

The invention relates to a diving wave preventing device of a tension leg anchoring system and a breakwater. The device comprises a main body, a main floating body, a first floating body, a second floating body, a tension leg module, an anchoring body and a damping plate; the main body comprises a manger board; the first floating body is arranged on the manger board; the main floating body and thesecond floating body are arranged on the main body; the main floating body, the first floating body and the second floating body form a triangle; the damping plate is rotationally connected with themain body; the manger board and the damping plate are provided with through holes; and the anchoring body is connected with the damping plate through the tension leg module. The whole system is few inmanufacturing material, low in weight, easy to install and migrate, excellent in economy and convenient to maintain; cables are uniformly dispersed, so that the suffered alternating load is lower; under extreme sea conditions, the cables can be retracted to enable the breakwater to dive, so that the stress is reduced, the safety is improved, and the operation is convenient; when the system collapses, the breakwater is low in mass, so that the damage to a covered water structure is slight; and the device is excellent in wave preventing effect, and can be automatically lifted.

The invention provides a three pipe combination type emergency floating breakwater wave removal unit. The breakwater wave removal unit is formed by arraying a hollow type wave removal pipe and two airbag type wave removal pipes in a triangular shape and fixed by two triangular fastening frames with rapid lock catches. The hollow type wave removal pipe and the airbag type wave removal pipes are both of a tubular structure formed by assembling three 120-degree arc PVC sheets, wherein every two PVC sheets are connected in a staggered butt joint mode, the staggered joints are in an inverted trapezoid shape, and the three 120-degree arc PVC sheets are fixed by two annular fastening frames with rapid lock catches. Through holes are evenly distributed in the PVC sheets of the hollow type wave removal pipe. Spindle-shaped self-inflating rubber airbags are arranged in the airbag type wave removal pipes. The breakwater wave removal unit has the advantages of being rapid to assemble, reusable, low in manufacturing cost and good in wave removal effect; the hollow type wave removal pipe can remove waves by fully utilizing water turbulence and reflection, so that the wave removal characteristic of the hollow type wave removal pipe is greatly improved; the water entry depth of a breakwater can be rapidly adjusted through the airbag type wave removal pipes.

The invention provides a method for determining design parameters of a floating breakwater, and belongs to the technical field of floating breakwaters. According to the method for determining the design parameters of the floating breakwater, on the basis of a preset structure of the floating breakwater, the corresponding relation between different design parameters and wave dissipation performanceis counted through a wave dissipation test; the wave dissipation performance required by the floating breakwater is determined according to the wave environment of the use place of the floating breakwater; according to the wave dissipation performance required by the floating breakwater and the corresponding relation between the design parameters and the wave dissipation performance, the design parameters of the floating breakwater are determined, so that the matching degree of the wave dissipation effect of the floating breakwater and the actual use requirement can be improved, and the costis reduced under the condition that use is not affected.