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266 results about "Breakwater" patented technology

Breakwaters are structures constructed near the coasts as part of coastal management or to protect an anchorage from the effects of both weather and longshore drift.

Breakwater monitoring data preprocessing method and system based on Kalman filtering

The invention provides a breakwater monitoring data preprocessing method and system based on Kalman filtering, and relates to the technical field of breakwater structure safety monitoring. The method comprises the following steps: acquiring original motion data of acceleration, inclination and displacement through a motion attitude sensor to obtain an original data sequence; initializing a state vector and an error covariance matrix; dynamically correcting the state transition matrix and calculating a prediction state vector and a prediction error covariance matrix; a Kalman gain is generated; updating a state vector and an error covariance matrix; and extracting the filtered motion data as a preprocessing result. According to the method, the state transition matrix is dynamically corrected by introducing the wave force feedback, so that the Kalman filtering algorithm can adapt to the wave impact environment, noise interference in monitoring data is effectively inhibited, and the accuracy and reliability of key motion parameter data of the breakwater are remarkably improved.
Owner:TIANJIN RES INST FOR WATER TRANSPORT ENG M O T

Near-shore ship tracking method and equipment based on multi-source data fusion and storage medium

The invention discloses a near-shore ship tracking method and device based on multi-source data fusion and a storage medium, and the method comprises the steps: obtaining and processing first-class radar point cloud data of a wind power plant millimeter wave radar, vibration sensor data of a breakwater, AIS data and second-class radar point cloud data of multiple radar stations; performing space alignment and time alignment on the processed first type of radar point cloud data and the processed second type of radar point cloud data, and performing time alignment on the processed AIS data; fusing the aligned data to obtain target state information; and predicting a plurality of states of the ship at future moments based on the target state information to obtain a plurality of corresponding prediction trajectories, correcting the prediction trajectories based on a wind power plant wake flow model, and screening out an optimal trajectory from the corrected prediction trajectories as a ship track. Therefore, the method can improve the multi-dimensional anti-risk capability, has higher safety guarantee, and can improve the supervision efficiency in a novel offshore wind power plant and other complex environments.
Owner:CHINA COMM CONSTR FIRST HARBOR CONSULTANTS

Tide level obtaining method and system based on OWC wave energy conversion device

The invention relates to a tide level obtaining method and system based on an OWC wave energy conversion device. The method comprises the following steps: constructing an energy loss prediction model in the air chamber; acquiring field incident wave energy, reflected wave energy, water potential energy increment, kinetic energy increment and pneumatic output energy at the current time period; inputting incident wave energy and reflected wave energy into the model to obtain predicted energy loss; and the tide level variation is solved based on the energy conservation relational expression, and the current tide level is calculated. The system comprises an energy loss prediction module, a wave energy acquisition module, a water body energy acquisition module, a pneumatic output acquisition module, an energy loss calculation module, a tide energy solving module and a tide level calculation module, which cooperatively realize the method. According to the scheme, an external tide gauge station is not needed, the local sea area tide level can be inversed in situ, at high frequency and with high precision, the method is suitable for an OWC-breakwater fusion scene, and cooperative operation of a port and ocean energy is supported.
Owner:TIANJIN PORT ENG INST LTD OF CCCC FIRST HARBOR ENG +1

Novel breakwater and construction method and use method thereof

The invention belongs to the technical field of breakwaters, and relates to a novel breakwater and a construction method and a using method thereof. Each breakwater section of the breakwater comprises an upper platform, a buoyancy tank and a plurality of foundation piles. The upper platform is arranged on a plurality of foundation piles, and a manger board is arranged on the head wave side of the upper platform; pile holes in one-to-one correspondence with the foundation piles are formed in the floating box, so that the floating box is arranged on the foundation piles in a sleeving manner and can move up and down, and the floating box is locked on the foundation piles or unlocked through the hydraulic locking device; one side of the buoyancy tank is attached to the manger board, and the top surface of the buoyancy tank is higher than the bottom surface of the manger board after the buoyancy tank moves downwards to sit at the bottom; the buoyancy tank is provided with a plurality of hollow cavities, communicating pipes with electric valves are arranged on the side walls of the hollow cavities, water passing pipes connected with the water pump are arranged on the bottom walls of the hollow cavities, and the water pump rotates forwards or reversely to introduce water into or discharge the water out of the hollow cavities. The buoyancy tanks are locked on the foundation piles in small waves, the manger boards are used for blocking waves, the requirement for exchange of water inside and outside the port is met, the buoyancy tanks sink to sit at the bottom and jointly block the waves with the manger boards in large waves, and the wave blocking effect is remarkably improved.
Owner:CCCC FIRST HARBOR ENGINEERING CO LTD +1

Breakwater system for combined type seabed data center

The invention discloses a combined type seafloor data center breakwater system which comprises a honeycomb protection layer, an energy dissipation middle cavity layer, a supporting wall layer and a flow guide adjusting mechanism, and the honeycomb protection layer, the energy dissipation middle cavity layer, the supporting wall layer and the combined type seafloor data center are sequentially arranged in the water flow and wave direction. The flow guide adjusting mechanism is installed on the supporting wall layer, the honeycomb protection layer and the energy dissipation middle cavity layer, the supporting wall layer and the honeycomb protection layer communicate with each other, the flow guide adjusting mechanism is used for adjusting the overflowing area of water flow flowing to the combined type seabed data center, and therefore the flow speed of the water flow is adjusted, and the honeycomb protection layer and the energy dissipation middle cavity layer are used for weakening vibration energy in waves. And the flow velocity influence of water flow is reduced. Wave dissipation and heat dissipation of the combined type seabed data center are well achieved, and the wave dissipation efficiency can be adjusted according to the sea condition.
Owner:CCCC FOURTH HARBOR ENG INST CO LTD +1

Breakwater structure for wave power generation and construction method thereof

The invention relates to a breakwater structure for wave power generation and a construction method of the breakwater structure. The breakwater structure comprises a lower barrel body, an upper caisson and a power generation device. A compartment is arranged in the upper caisson, and the power generation device is installed in the compartment. A wave inlet hole is formed in the wave facing side of the upper caisson, a cast-in-place adjusting node is arranged on the top of the upper caisson, and a wave wall, a cable pipe trench, a detachable road plate and an overhauling device are sequentially arranged above the node. The breakwater structure and the wave power generation system are integrated by adopting standard barrel type foundation factory prefabrication and floating transportation installation and combining cast-in-place joint leveling and the detachable road plates. The structure has the advantages of being convenient to construct, controllable in cost, stable in structure, convenient to maintain and the like, is suitable for wave power generation under medium and small wave conditions, and is particularly suitable for green power supply and coast protection in areas such as ports and islands.
Owner:CCCC THIRD HARBOR CONSULTANTS

Box cylinder type foundation breakwater structure, working method and installation method

The application relates to the technical field of wave power generation, in particular to a novel box-cylinder type foundation breakwater structure, a working method and an installation method, which comprise front rows of power generation towers and rear rows of power generation towers; the front rows of power generation towers are provided with front guide pipes and horizontal front elastic units, and the rear rows of power generation towers are provided with rear guide pipes and horizontal rear elastic units. When waves surge, the waves will strike the horizontal front elastic units and the horizontal rear elastic units and surge into the front guide pipes and the rear guide pipes, that is, the front rows of power generation towers and the rear rows of power generation towers can be simultaneously impacted by the waves and can dissipate the energy of the waves for multiple times, and the front rows of power generation towers and the rear rows of power generation towers both adopt the combined mode of wave surging power generation and wave striking power generation to generate electricity. The application can improve the recycling rate of wave energy, thereby improving the power generation efficiency of the wave energy.
Owner:ZHENGZHOU UNIV

Dangerous chemical substance wharf breakwater monitoring system and method based on multi-source data integration

The invention discloses a hazardous chemical substance wharf breakwater monitoring system and method based on multi-source data integration. The method comprises the steps that firstly, multi-mode monitoring data of a first breakwater surface structure, an environment load, a breakwater underwater structure and a breakwater second surface structure are obtained through a multi-source sensor; calculating four safety monitoring coefficients of the first surface structure, the environment, the underwater structure and the second surface structure by using a model comprising a spatial-temporal feature extraction module, a dynamic feature analysis module and a multi-source data fusion module; an eight-layer fine-grained cross fusion mechanism is innovatively introduced, and deep interaction and fusion of multi-modal features are realized through cross-modal attention, gating aggregation and other methods; a dynamic threshold value is obtained by establishing a digital twinborn model, and self-adaptive adjustment is carried out based on fine-grained feature distribution; and finally, accurate early warning from a single index to a multi-mode associated risk is realized through multi-level early warning logic. According to the invention, the state perception and risk early warning capability of the complex system of the hazardous chemical substance wharf is improved.
Owner:CCCC SOUTH CHINA SURVEY & MAPPING TECH CO LTD +1

Sea floating bridge or floating breakwater connecting block

The invention provides a marine floating bridge or floating breakwater connecting block. The marine floating bridge or floating breakwater connecting block comprises a connecting block body; in the longitudinal direction, the upper end and the lower end of the connecting block body are each connected with a limiting plate. In the left-right direction, the connecting cable penetrates through the connecting block body and protrudes out of the left side and the right side of the connecting block body, the connecting cable is fixed to the interior of the connecting block body, and the left end and the right end of the connecting cable are each connected with a seaborne floating bridge. The side face of the seaborne floating bridge or the floating breakwater is provided with a concave connecting hole, a connecting bolt rod is arranged in the connecting hole, and the connecting cable is connected with the connecting bolt rod after being inserted into the connecting hole. The rubber cylinders are arranged between the floating bridges, energy generated by wave impact is absorbed through elastic deformation of rubber, collision and extrusion between the floating bridges are effectively reduced, the risk that a concrete structure of the floating bridge or a floating breakwater is damaged is reduced, and the stability and safety of the floating bridge under the severe sea condition are remarkably improved.
Owner:QINHUANGDAO XINYIN OCEAN TECHNOLOGY CO LTD

Semi-cylindrical shell floating breakwater with multi-stage energy dissipation and vibration reduction and flexible mooring system

The invention discloses a semi-cylindrical shell floating breakwater with a multi-stage energy dissipation and vibration reduction and flexible mooring system, and belongs to the technical field of ocean engineering. The breakwater aims at solving the technical problems that an existing floating breakwater is limited in energy dissipation efficiency under the complex sea condition, the overall motion response is violent, and the stress of an anchoring system is too large. The breakwater comprises a floating body unit which is provided with a semi-cylindrical shell and a floating box, and a plurality of rows of wave dissipation holes are formed in the head wave side of the shell; the energy dissipation and vibration reduction system is arranged below the buoyancy tank and comprises a vertical connecting rod, a horizontal through hole vibration reduction heaving plate, a first vibration reduction damper arranged on a section of the vertical connecting rod and a vertical through hole wave dissipation plate; and the flexible anchoring system comprises an anchor block arranged on the seabed, an anchor chain for connecting the anchor block and the floating box, and a second vibration reduction damper arranged on the anchor chain. The breakwater is mainly used for wave protection and energy dissipation in ports, coast and offshore engineering areas.
Owner:CCCC FHDI ENG

Breakwater embedded with oscillating water column type wave energy power generation device adapting to tidal range change

ActiveCN120759223ABreakwatersQuaysOscillating Water ColumnHead wave
The invention relates to the technical field of breakwaters, in particular to a breakwater embedded with an oscillating water column type wave energy power generation device adapting to tidal range variation, which comprises a breakwater body, a plurality of mounting grooves are formed in the head wave surface of the breakwater body and are respectively arranged at intervals in the horizontal direction, and a driving system is arranged in each mounting groove. The driving system is connected with an oscillating water column type wave energy power generation device, and the oscillating water column type wave energy power generation device is driven by the driving system to ascend and descend in the vertical direction. A plurality of oscillating water column type wave energy power generation devices are embedded in the head wave face of the breakwater body at intervals, and the heights and opening orientations of the oscillating water column type wave energy power generation devices are flexibly adjusted through the driving system so as to adapt to and be matched with tidal range changes and incoming wave direction changes of a service sea area; on the basis of maintaining stable mooring conditions in the harbor, energy absorption and capture of waves with different tide levels and incoming wave directions are achieved in an efficient mode, and the capture efficiency is improved to the maximum extent.
Owner:HARBIN ENGINEERING UNIVERSITY SANYA NANHAI INNOVATION & DEVELOPMENT BASE +1

Elastic Bragg breakwater structure response prediction method

The invention discloses an elastic Bragg breakwater structure response prediction method, and belongs to the technical field of ocean engineering structure dynamic response prediction, and the method comprises the steps: obtaining the front and rear wave surface elevation and motion response data of a breakwater; a double-flow attention mechanism based on physical prior guidance is constructed, and wave-structure interaction is decoupled into two parallel attention flows of structural dynamic evolution and wave-structure coupling feedback; a self-attention mechanism is combined with a time decay physical prior coding structure motion feature, and a bidirectional cross attention mechanism based on a resonance characteristic is combined with a wave-structure phase relation physical prior coding coupling feature; the double-flow features are adaptively integrated through a global context fusion module, and a multi-step prediction sequence is output through linear layer decoding; and a time-frequency domain joint loss function optimization model is adopted, so that the prediction precision is improved. According to the method, physical prior is explicitly embedded into an attention mechanism and is improved by more than 16% compared with an optimal baseline model, and the generalization ability is enhanced by more than 13% under the working condition that waves do not appear.
Owner:SHANDONG UNIV OF SCI & TECH

Wave energy capturing and wave absorbing integrated device based on Helmholtz resonance principle

The wave energy capturing and wave absorbing integrated device based on the Helmholtz resonance principle comprises a dike body, the dike body is sequentially provided with a front baffle, a front air chamber, a middle air chamber, a rear air chamber and a rear baffle in the wave incidence direction, and a three-stage series type wave absorbing structure is jointly formed; a front gas-guide tube and a rear gas-guide tube are respectively arranged at the tops of the front gas chamber and the rear gas chamber, and the front gas-guide tube, a top gas cavity of the middle gas chamber and the rear gas-guide tube are respectively connected with a confluence header pipe through pipelines; a one-way air inlet valve and a one-way exhaust valve are arranged on the top of each air chamber and each air guide pipeline; the air outlet end of the confluence header pipe is connected with a one-way air turbine. On the premise that the physical size of the structure and the construction cost are not remarkably increased, the wave absorbing frequency band can be effectively widened, particularly the wave absorbing performance on long-period waves is remarkably improved, and therefore the defects of a traditional breakwater and a traditional OWC device in the aspects are overcome.
Owner:DALIAN UNIV OF TECH

Permeable breakwater and design method thereof

The invention provides a permeable breakwater and a design method thereof, and relates to the technical field of permeable breakwater. Aiming at the lack of a design method for high-precision environment coupling and high-accuracy structure stress prediction during design of a permeable breakwater in the prior art, the method comprises the following steps: establishing a wave-structure-foundation coupling model based on structure stress data, environment soil characteristics and a transmission coefficient of waves; s5, selecting a wave-structure-foundation coupling model, simulating different structure parameter combinations based on the wave-structure-foundation coupling model, and when the simulation results do not meet the target requirements, circularly executing the steps S2 to S5 until the simulation results meeting the target requirements are screened out, and determining a corresponding final structure parameter combination. The cooperative working mechanism of the reduction foundation and the pile foundation is realized, the dynamic interaction of the wave load and the structural response is simulated, and the environmental coupling precision and the structural stress prediction accuracy are improved.
Owner:TIANJIN UNIV +1

Protective surface block body for breakwater

The utility model relates to the technical field of ocean engineering, in particular to a protective surface block for a breakwater, which comprises a plurality of wave-proof balls, a plurality of conical bulges are mounted on the surface of each wave-proof ball, and the plurality of wave-proof balls are arranged side by side to form a ball breakwater. Due to the unique shape design, the energy of sea waves can be effectively dispersed, and the wave dissipation effect is improved. When sea waves impact the armor block bodies, the ellipsoid protrusions can change the flow direction and the flow speed of the sea waves, energy of the sea waves is fully dispersed, and therefore impact of the sea waves on the breakwater is reduced.
Owner:TIANJIN RES INST FOR WATER TRANSPORT ENG M O T

Floating breakwater based on wave flow conversion effect

The invention discloses a floating breakwater based on a wave flow conversion effect. The floating breakwater comprises a plurality of partition boxes, and a wave flow conversion assembly is fixedly arranged between every two adjacent partition boxes; the wave flow conversion assembly comprises transition sections, a circular channel and blades, the two transition sections are arranged at the two ends of the partition box, and the upper surface and the lower surface of each transition section are each provided with a floating structure; a circular channel is formed in the transition section, blades are arranged in the circular channel, and the blades are connected with a generator set arranged on the upper surface of the partition box; the area between the two transition sections serves as a moon pool, and the bottom of the moon pool is communicated with an external fluid domain; by means of the gathering effect of the transition section, waves around the floating breakwater are gathered and enter the moon pool through the blades via the circular channel, the circular channel is used for converting the waves into water flow and achieving wave flow conversion, the water flow in the circular channel drives the blades to rotate, then the generator set is driven, and kinetic energy of the water flow is converted into electric energy. The wave absorbing device can achieve conversion from waves to water flow, and wave absorbing is achieved.
Owner:JIANGSU UNIV OF SCI & TECH

Double-layer perforated plate flow guide breakwater

The utility model relates to the technical field of ocean engineering, in particular to a double-layer perforated plate flow guide breakwater which comprises a connecting pile and a double-layer perforated flow guide plate. Each connecting pile comprises a pile cap, a pile body and a cattle foot; the two groups of double-layer perforated guide plates are arranged in parallel front and back, each group comprises a plurality of perforated guide plates, each perforated guide plate is provided with a plurality of holes, the perforated guide plates in each group are connected into a whole side by side through the connecting piles, and the connecting piles are positioned on two sides of the perforated guide plates. According to the structure, through the optimized design, the wave dissipation effect and the structural stability of the breakwater are improved, and meanwhile the construction difficulty and cost are reduced. The structure is particularly suitable for ports, wharfs and coastal protection in the marine environment.
Owner:DALIAN UNIV OF TECH

A floating photovoltaic pontoon breakwater water damping connection device

This invention discloses a water damping connection device for a floating photovoltaic pontoon breakwater, belonging to the field of marine engineering technology. It includes a water damping mooring device installed at both ends of the pontoon breakwater, with the connection ends of the pontoon breakwater being open. The water damping mooring device includes a water tank, a bottom plate, tie rods, a push plate, and a compression spring. The water tank is open at both ends and installed inside the pontoon breakwater. The bottom plate is connected inside the pontoon breakwater. The push plate is placed inside the water tank, with a tie rod fixedly connected to one end away from the bottom plate. The tie rods at both ends of the pontoon breakwater are connected via universal joints. The compression spring is sleeved on the tie rod, with one end fixedly connected to the push plate and the other end fixedly connected to the opening of the water tank. A check valve is provided on the push plate, controlling the water flow from the bottom plate towards the universal joint side. Through the annular gap design between the push plate and the inner diameter of the water tank, when the wave load increases, the push plate moves to compress the compression spring, and simultaneously, the water flows in the annular hole, generating water damping and effectively attenuating the peak connection force.
Owner:TIANJIN UNIV

Bent floating breakwater module butt joint structure

The utility model discloses a bending type floating breakwater module butt joint structure which aims at solving the technical problems that in the prior art, the distribution angle of each breakwater module is inconvenient to adjust, and the flexibility of a breakwater is reduced. Comprising a mounting plate and two butt joint plates, at least three hollow pipes are assembled on the side wall of the mounting plate, a floating pipe is fixedly connected to the bottom of the mounting plate, a plurality of long holes are formed in the side walls of the two butt joint plates correspondingly, one end of each hollow pipe extends into the corresponding long hole, and clamping assemblies are arranged on the side walls of the long holes correspondingly. Two adjusting connecting pieces are arranged between the butt joint plates on the two sides, the device is suitable for spindrift and river forms with different characteristics, and the flexibility of the device is improved; and secondly, the butt joint structure between the breakwater modules is simple and fast, welding and other processes are not needed, and the construction progress is fast.
Owner:ZHENGZHOU UNIV

Multi-layer three-dimensional net cage combined by double-layer arc plate breakwater and mariculture net cage

The utility model belongs to the field of marine disaster prevention and reduction and marine fishery production, and particularly relates to a multilayer three-dimensional net cage combined by a double-layer arc plate breakwater and a mariculture net cage, which comprises a top panel, the double-layer arc plate breakwater, a frame reinforcing structure and the mariculture net cage. The double-layer arc plate breakwater comprises an upper-layer plate and a lower-layer plate which are connected through rigid supporting columns, and a top panel is located above the upper-layer plate and connected through the rigid supporting columns. The mariculture net cage is of a netting structure and is integrally fixed to the frame reinforcing structure. The top of the frame reinforcing structure is located below the lower layer plate and connected through a flexible connecting rope, and one or more first mooring chains are arranged at the bottom of the frame reinforcing structure. The marine three-dimensional house has various functions, and has the functions of marine farming and pasturing and high-efficiency utilization of marine three-dimensional space. Disaster prevention and disaster reduction are combined with mariculture requirements in a shallow ocean water layer, sustainable development of ocean farming and pasture is promoted, and economic benefits of the breakwater structure are improved.
Owner:TIANJIN RES INST FOR WATER TRANSPORT ENG M O T +2

Wave-dissipating assembly, permeable wave-dissipating breakwater construction unit and structure, breakwater, system, and construction method

PCT designated stageWO2025247349A1BreakwatersQuaysClassical mechanicsCaisson
The present invention relates to the technical field of wave-dissipating breakwaters, and in particular, to a wave-dissipating assembly, a permeable wave-dissipating breakwater construction unit and structure, a breakwater, a system, and a construction method. The wave-dissipating assembly comprises a main flow-guiding wall and two side flow-guiding walls connected in a radial pattern, an included angle A between the main flow-guiding wall and one side flow-guiding wall is in a range of 90°<A<180°, and an included angle B between the main flow-guiding wall and the other side flow-guiding wall is in a range of 90°<B<180°. The permeable wave-dissipating breakwater construction unit according to the present application has a lightweight structure, and compared to traditional caisson vertical breakwaters and large cylindrical breakwaters, the wave-dissipating assembly according to the present embodiment primarily consists of several walls, providing a solution having higher cost-effectiveness and greater sustainability.
Owner:CHINA COMMUNICATIONS CONSTRUCTION CO LTD SOUTHERN BRANCH

Gravity interlocked slope embankment facing block structure

This utility model discloses a gravity-interlocked sloping breakwater revetment block structure, belonging to the field of coastal protection engineering technology. It aims to solve the problems of large-mass blocks being prone to fracture due to material strength limitations, and the non-linear increase in material consumption and cost resulting from simply adding weight; and the chain-like instability problem easily caused by two-dimensional interlocking designs under oblique wave action. The gravity-interlocked sloping breakwater revetment block structure includes a central block and corner blocks. The corner blocks are fixedly installed at the top corner of the central block. Embedded bosses and embedded grooves are fixedly installed on the sides of the central block, with the embedded bosses embedded in the embedded grooves. A wave-dissipating protrusion is fixedly installed at the top of the central block, and a gravity anchoring protrusion is installed at the bottom. This utility model increases the overall stability of the revetment block structure, improves the anti-slip coefficient of the revetment block structure, and effectively ensures the high porosity wave-dissipating efficiency of the revetment block structure.
Owner:NANJING HYDRAULIC RES INST +1

Offshore self-propelled breakwater pipe gallery integrated construction platform

The invention discloses an offshore self-propelled bulwark pipe gallery integrated construction platform, and relates to the technical field of bulwark pipe gallery construction.The offshore self-propelled bulwark pipe gallery integrated construction platform comprises a buoyancy tank base unit which has the self-propelled capacity and can be anchored at a fixed point, and an operation auxiliary unit which can adjust the operation position and conduct auxiliary supporting is arranged on the top face of the buoyancy tank base unit; the buoyancy tank base unit comprises a buoyancy tank, a movable support which is folded and stored is arranged on the bottom face of the buoyancy tank, and a jet propeller which can adjust the jet angle and then change the advancing direction is arranged on the bottom face of the buoyancy tank. By means of the switchable structural design of sailing storage and operation unfolding anchoring, the industrial defects that a floating construction carrier on the sea is greatly disturbed by sea waves, the operation datum is unstable and the anchoring and transition efficiency is low are fundamentally overcome, a buoyancy tank platform which originally floats along with the waves is converted into a rigid stable operation datum which is anchored to the seabed and similar to the land, and therefore the service life of the buoyancy tank platform is prolonged. Core guarantee is provided for precise construction of an upper operation unit, and meanwhile the efficient circulation requirement of multi-section continuous construction is met.
Owner:LIANYUNGANG HARBOR ENG CO

Magnetic modular underwater screed rail system and method

The application discloses a magnetic type modular underwater leveling guide rail system and method, belongs to the technical field of underwater construction of port engineering, and is specifically applied to bed leveling operation of hydraulic structures such as wharfs and breakwaters. In view of technical problems such as low installation efficiency and insufficient butt joint precision caused by low modularization degree of a traditional guide rail system, the system improves wear resistance by coating a composite layer on the steel pipe body, realizes rapid butt joint at a centimeter level by setting a magnetic attraction connecting device at both ends of a guide rail module, ensures underwater sealing by configuring a waterproof rubber gasket with a ring-shaped protrusion on a contact surface, reduces a friction coefficient by coating a molybdenum disulfide coating on both sides through dovetail-shaped guide rails, and installs an infrared sensor at the end to detect an axis alignment state in real time. The device realizes elevation control by cooperating a total station reflector prism with a height adjusting assembly, is mainly used for underwater bed riprap leveling construction, and can significantly improve underwater operation precision and efficiency and reduce maintenance cost.
Owner:CHINA HARBOUR ENGINEERING

Stone breakwater construction equipment group collaborative scheduling method based on edge calculation

The invention relates to the technical field of edge computing, and particularly discloses a stone breakwater construction equipment group collaborative scheduling method based on edge computing, comprising the following steps: establishing a data transmission relationship; the edge node i is provided with a time window with a preset length; s3, predicting predicted attitude data of the edge node i and all corresponding receiving nodes; s4, calculating an antenna adjustment angle of the receiving node k at each moment; and S5, the antenna angle of the corresponding receiving node is adjusted according to the antenna adjustment angle, and the edge node i transmits the target data to all the receiving nodes in the time window. According to the invention, the cooperative scheduling capability of the stone breakwater construction equipment group in the dynamic marine environment is improved.
Owner:CCCC SOUTH CHINA TRANSPORTATION CONSTR CO LTD +1

An island reef adaptive system and method of installation

This invention discloses an island / reef adaptive system and its installation method, comprising: a floating breakwater energy storage system, an energy storage tank structure, and a control structure. The floating breakwater energy storage system includes a semi-submersible tank, and a first power generation module and a first energy storage device respectively disposed within the semi-submersible tank, the first power generation module and the first energy storage device being electrically connected. The energy storage tank structure includes a water storage tank, an energy storage tank structure body, and a second energy storage device, the water storage tank and the second energy storage device being respectively disposed within the energy storage tank structure body. The water storage tank includes a second power generation module and a water storage tank body connected to the semi-submersible tank, the second power generation module being disposed within the water storage tank body, the second energy storage device being electrically connected to the first energy storage device, and the water storage tank being electrically connected to the second energy storage device. The control structure includes a control center and an intermediate station for connecting the power consumption area and the energy storage tank structure, the intermediate station being electrically connected to the control center. The structural design of this solution effectively improves space utilization efficiency and long-term stability.
Owner:GUANGZHOU UNIVERSITY

Early warning system and early warning method based on influence of ecological potential dike on nearshore seabed morphology under tsunami wave action

This invention proposes an early warning system and method for the impact of ecological submerged breakwaters on nearshore seabed morphology under tsunami wave action. The system includes: a feature extraction module that collects water pressure data inside and outside the breakwater and establishes a high-energy potential difference time window; a potential energy analysis module that retrieves data within the high-energy potential difference time window and performs differential analysis of the vertical gradient to generate the permeability per unit volume of the seabed surface; an erosion analysis module that obtains the loss coefficient and corrects the static critical initiation shear stress to establish a time-evolving erosion resistance threshold sequence; a concealment identification module that identifies concealed scour zones; and a graded early warning module that quantifies and accumulates the surplus characteristics of shear strength in concealed scour zones using sediment transport rates to obtain morphological loss characteristics, performs stability assessment of the breakwater support structure, and triggers graded collapse early warning. This invention achieves the identification and dynamic early warning of concealed scour risks under low flow velocity backgrounds by quantifying soil weakening caused by seepage.
Owner:FUZHOU UNIV

Adjustable floating breakwater suitable for long waves

The application discloses a kind of adjustable floating breakwater suitable for long wave, including fixedly connected front float and rear float, the front float upper end surface is provided with the water guide plate that can rotate around left and right direction pivot, the rear end of water guide plate is opened with several water guide grooves, and the front end is set with power generation mechanism corresponding position of several water guide grooves;The upper end surface of front float is rotatably connected with water guide arc plate, and water guide arc plate is located above the rear end of water guide plate, and the arc concave surface of water guide arc plate is wave face;Several guide plates are arranged between front float and rear float;First drive mechanism drives water guide plate to rotate up and down, and then adjust the inclination angle of water guide plate;Second drive mechanism drives water guide arc plate to rotate forward and backward, to adjust the forward thrust to front float, while driving guide plate to rotate left and right, adjust the angle formed by guide plate and incoming flow.The application is convenient to adjust, effectively reduces long period wave, uses long wave to carry out independent power generation and uses self-generated electricity to control the part on dike, while improving the stability of floating breakwater itself.
Owner:JIANGSU UNIV OF SCI & TECH

Floating type tourism wharf structure and construction method and wave resisting method thereof

The invention relates to a floating type tourism wharf structure and a construction method and a wave resisting method thereof, and belongs to the technical field of wharf construction. The floating type tourism wharf structure comprises a main floating bridge, a secondary floating bridge, an inner breakwater, a branch floating bridge and an outer breakwater; one end of the main floating bridge is connected with a shoreside through a steel approach bridge, and the other end of the main floating bridge is arranged in the direction away from the shoreside; the secondary floating bridges are correspondingly arranged on the two sides of the main floating bridge; the inner breakwater is arranged at the end, away from the shoreside, of the main floating bridge. Part of the branch floating bridges are located on the side, facing the main floating bridge, of the inner breakwater and arranged in the length direction of the breakwater. Part of the branch floating bridges are arranged in the length direction of the secondary floating bridge and located on the two sides of the secondary floating bridge. The outer breakwater is located on the side, away from the main floating bridge, of the inner breakwater, and a gap is formed between the outer breakwater and the inner breakwater. The outer breakwater blocks and dissipates the sea waves, the remaining sea wave energy is further weakened by the inner breakwater, and therefore the double wave prevention effect is achieved, and meanwhile the secondary floating bridge can also weaken the sea wave energy to continue to be transmitted towards the shore.
Owner:NO 2 ENG CO LTD OF CCCC FIRST HARBOR ENG +2

System

An object of a system according to an embodiment is to provide an evacuation route by quickly and appropriately raising a breakwater at the time of an earthquake or a tsunami.SOLUTION: A system includes a collection part, an analysis part, an elevation part, and a provision part. The collection unit collects data of an earthquake or a tsunami. The analysis unit analyzes the data collected by the collection unit. The raising unit raises the breakwater based on the analysis result obtained by the analysis unit. The providing unit determines an appropriate evacuation route from the latest disaster information and an evacuation route database, and notifies the residents of the evacuation route.SELECTED DRAWING: Figure 1
Owner:SOFTBANK GROUP CORP