1015results about "Breakwaters" patented technology

The invention relates to the technical field of coastal zone renovation and repair, in particular to a siltation promotion device for coastal zone renovation and repair, which comprises a siltation promotion assembly and a caisson which are sequentially arranged from top to bottom, the siltation promotion assembly comprises a plurality of siltation promotion modules which are connected through side edges, and the top side of the siltation promotion assembly is used for being fixedly connected with a coast; each siltation promotion module comprises a frame and a plurality of anti-flow plates, the multiple anti-flow plates are sequentially arranged in the frame from top to bottom, the two ends of each anti-flow plate are rotationally connected with the two opposite sides of the frame correspondingly, and every two adjacent siltation promotion modules are rotationally connected through one side edge of the frame; a sedimentation cavity is formed in the top of the caisson, a permeable material is arranged in the sedimentation cavity, flow guide holes penetrating through the two sides are formed in the upstream face and the downstream face of the caisson correspondingly, and the bottom side of the siltation promotion module is connected with the caisson and located above the sedimentation cavity; the siltation promotion device is formed in a splicing mode, the siltation promotion device can be well suitable for complex terrains, and the anti-flow plate is arranged to effectively resist water flow impact.

The invention relates to the construction technology of a hoop bottom die, and discloses a hoop bottom die integrated quick-mounting system which comprises a bottom die plate arranged on the outer side of the end of a vertical pile, and the bottom die plate is used for side die erecting and pouring forming positioning of a vertical pile cap; the main beam and the secondary beam are fixed to the bottom of the bottom formwork, first transverse rib plates and second transverse rib plates are fixed to the main beam and the secondary beam respectively, and a fastening and locking buckle assembly is arranged between the first transverse rib plates with the ends in butt joint; the hoop body is arranged at the end of the vertical pile in a sleeving mode through a bolt, hoop pressure-bearing ribs used for bearing and supporting the bottom formwork and the main beam are arranged on the side of the hoop body, and a hoop guide chain which is integrally detached in a hoisting mode is further arranged between the outer side of the hoop body and the secondary beam. According to the hoop and bottom die integrated quick assembly system, bottom die integrated quick assembly and disassembly construction of double-pile and single-pile cap construction operation can be achieved, secondary bottom disassembly during disassembly is not needed, and the die erecting and pouring efficiency of pile cap construction is improved.

A permanent-temporary combined square block and caisson combined gravity type wharf comprises a land area rear storage yard, a temporary prefabricating yard used for prefabricating square blocks and caissons is arranged on the land area rear storage yard, the temporary prefabricating yard is communicated with square block structural sections through caisson shipping channels, and the square block structural sections are arranged along the coast and serve as caisson temporary shipping wharfs. The caisson shipping channel is used for transporting prefabricated square blocks and caissons; and after the caisson is transported out through the caisson shipping channel and the square structure section, the caisson is arranged to be connected with the square structure section into a whole, and the caisson structure section wharf is formed. According to the wharf, a site does not need to be additionally found to serve as a prefabrication yard and a temporary wharf as a construction site, and the temporary shipping wharf and part of the prefabrication yard are combined permanently and temporarily, so that wharf construction and dismantling cost can be saved.

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.

The utility model provides a terrace-imitated multi-pond river bank structure, relates to the technical field of water conservancy and water ecological management, and solves the problems of shortage of land resources and insufficient attractiveness in existing river bank management. The ecological pond comprises a plurality of layers of ecological ponds which are arranged in a step shape from top to bottom, the peripheries of the ecological ponds are defined by retaining walls, the ecological pond on the upper layer is communicated with the ecological pond on the lower layer through a first overflow port, the ecological pond on the top layer is provided with a settling pond, the settling pond is communicated with the ecological pond on the top layer through a filter dam, and the settling pond is communicated with the ecological pond on the bottom layer through a second overflow port. An aquatic purification and soil fixation system is arranged in the ecological pond. The device has the beneficial effects that a wetland effect is formed, the residence time of water entering a river is prolonged, the water quality purification effect is improved, and the effect of beautifying a river bank and the surrounding environment is achieved.

The invention relates to a deep sea island tough wharf capable of resisting bidirectional earthquake action, comprising: a panel, the bottom of which is provided with a panel beam; the supporting piles are arranged in a scattered mode in the extending direction from the sea face to the land and comprise straight pile bodies and crossed pile bodies, the straight pile bodies comprise the first straight pile bodies and the second straight pile bodies, the first straight pile bodies are arranged on the offshore side in rows, and the second straight pile bodies are arranged on the near-land side in rows; the crossed pile bodies are arranged between the first straight pile body and the second straight pile body in rows; the first bidirectional damping device is arranged at the top of the first straight pile body, one end of the first bidirectional damping device is connected with the first straight pile body, and the other end of the first bidirectional damping device is connected with the panel beam; the second two-way damping device is arranged at the top of the cross pile body, one end of the second two-way damping device is connected with the cross pile body, and the other end of the second two-way damping device is connected with the panel beam. By optimizing the arrangement of the pile bodies of the wharf and arranging the damping device in a combined mode, the energy dissipation capacity and the overall stability of the wharf under the bidirectional earthquake effect are effectively improved.

The application discloses a river ecological slope protection, and relates to the technical field of new energy building engineering.The river ecological slope protection comprises a slope protection body and a slope protection device, the slope protection body is provided with a water storage tank, a nozzle pipe, a watering nozzle, a watering pipe, a pump, a solar panel and a planting area, the water storage tank is communicated with a river channel through an anti-overflow pipe, water level is dynamically adjusted, and rainwater is collected; the watering system is driven by the pump, and vegetation is irrigated by solar power supply; the slope protection device comprises a self-adaptive protection structure and an aquatic breeding module; after water is stored in a pressure water storage tank, a pressing plate is driven to be pressed down, a linkage movable rod is extended and retracted to protect a plate, water flow erosion is resisted, and soil and water loss of the planting area is avoided; a servo motor controls the lifting of a breeding net cage through a cable and a pulley block, water level change is adapted, and economic value is improved.The river ecological slope protection realizes self-adaptive adjustment of the slope protection structure, efficient utilization of water resources and collaborative optimization of ecological and economic benefits through intelligent control, new energy driving and modular design, and is suitable for river channel management and ecological restoration engineering.

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.

The invention provides an ecological reinforcing structure of a river channel grouted rubble retaining wall revetment, the ecological reinforcing structure takes double-row pile foundations and a planting platform as a core design concept, the first pile foundation is located at the foot of an existing grouted rubble retaining wall, the top of the pile foundation is provided with a reinforced concrete guide beam, and the second pile foundation is located at the foot of the existing grouted rubble retaining wall; the newly-built guide beam is connected with an existing grouted rubble retaining wall base into a whole through embedded steel bars, the integrity and the anti-sliding capacity of the retaining wall are remarkably enhanced, and base emptying and wall body deformation are effectively restrained. The second pile foundation structure is a planting pile and backfill soil behind the planting pile to construct an aquatic plant planting platform, geotechnical cloth is laid between the planting pile and the backfill soil, soil particle loss can be prevented, water is allowed to freely permeate, and normal exchange between water and soil is maintained. The stability of an existing retaining wall is guaranteed, an aquatic plant planting platform is constructed, the whole reinforcing system is hidden under the normal water level, the natural form of a river channel is maintained, and deep integration of ecology and safety is achieved.

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.

One example provides a canopy assembly including a canopy frame to support a flexible cover to form a canopy, the canopy frame including at least a first beam and a second beam and a plurality of trusses to extend between the first beam and the second beam. A plurality of columns is to support the canopy frame, each column including a leg having a lower end to couple to a floating watercraft port, a gusset to connect to an upper end of the leg, the gusset to engage the corresponding one of the first beam and the second beam, and at least one binding device to hold the corresponding one of the first beam and the second beam to the gusset to form a flexible joint there between to enable the canopy frame and the column to move relative to one another at the flexible joint.

The invention discloses a multifunctional multi-anchor plate pile wharf structure suitable for deepwater berth and a construction method thereof, belongs to the technical field of port engineering, and solves the problems that the section of a deepwater berth plate pile wall structure is too large, deformation control is difficult, and the synergism of an anchorage system is poor. The wharf structure comprises a front sheet pile of the front sheet pile wall structure and a front track beam arranged on the front sheet pile. The pull rod system is arranged between a pavement structure and a pool bottom elevation, at least two common layered pull rods and a multifunctional pull rod are sequentially arranged at intervals from bottom to top, one end of each common layered pull rod is connected to a front sheet pile, and one end of each multifunctional pull rod is connected to a front track beam. The anchorage system comprises at least two common layered anchorage bodies and a multifunctional anchorage body, the common layered anchorage bodies are correspondingly connected with the common layered pull rods, the multifunctional anchorage body is composed of a rear track beam and a rear track beam pile, and the rear track beam is connected with the other end of the multifunctional pull rod. The wharf structure is mainly used for deepwater berth wharf construction, multi-anchor support can be provided, and track beam displacement can be coordinated.

To reduce the manufacturing cost of a buried form, simplify the construction of the buried form, excel in strength characteristics, and reduce the possibility of deterioration.SOLUTION: A concrete structure 1 includes a buried form 2 made of precast concrete and constituting an outer shell of the structure, and infilling concrete 3 placed at the site inside the buried form 2. The buried form 2 is constituted by sequentially stacking unit forms M unitized for each placing height of one span of the infilling concrete 3. The unit form M is constituted by assembling a plurality of divided buried forms 4 divided respectively in the vertical direction and the horizontal direction, and the plurality of divided buried forms 4 are fixed to a plurality of panel fixing steel materials 5 arranged along the vertical direction and at intervals in the horizontal direction on the inner surface side.SELECTED DRAWING: Figure 1

The invention relates to the technical field of seawall ecological transformation, and discloses a slope type seawall inner slope ecological transformation method which comprises the following steps: selecting a seawall section suitable for ecological transformation according to three first-level indexes, namely a seawall shoreline foundation, hydrology and water quality conditions and surrounding environment conditions; constructing a pool in the selected seawall section according to the terrain; constructing a pool base; and constructing a plant community in the water pool according to the life type, the phenological period and the salt tolerance of the plant. According to the method, a proper transformation section can be selected in combination with various environmental factors of a transformation area, then a corresponding water pool is constructed in combination with the landform, then a proper ecological material is selected to construct a substrate, and different plant communities are constructed in the water pool according to the characteristics of different plants. A natural-imitated seawall ecological space is built, the flood prevention and tide blocking functions of the seawall are guaranteed, the hygrophytes, aquatic plant communities and planktons can be utilized, an inhabiting and foraging environment is built for aquatic animals and hydrophilic birds, and the ecological service function of the seawall is improved.

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.

The invention provides a modular assembly type high-pile wharf structure and a construction method thereof.The modular assembly type high-pile wharf structure comprises a prefabricated pile foundation unit, a foundation adjusting module, a cross beam module, a longitudinal beam module and an intelligent monitoring unit, and the top end of the prefabricated pile foundation unit is fixedly connected with the foundation adjusting module; a cross beam module is detachably connected to the upper portion of the foundation adjusting module through a quick-release node assembly, longitudinal beam positioning grooves are formed in the top of the cross beam module in the length direction at intervals, and the longitudinal beam module is detachably connected with the cross beam module through the longitudinal beam positioning grooves. The intelligent monitoring unit comprises a stress sensor embedded into the precast pile foundation unit and a displacement sensor arranged at the joint of the cross beam module and the longitudinal beam module, and all the sensors are connected to the terminal monitoring platform through the wireless transmission module. The problems that an existing long-pile wharf is limited in geological adaptability, construction precision control is difficult, and operation and maintenance monitoring lags behind are solved.

The present invention discloses a tough protection device for embankments for preventing the impact of ice and floods, which relates to the technical field of water conservancy projects and includes: an embankment body, which is laid on both sides of the river bank parallel to the flow direction of the flood; a slope protection, which is laid on the surface of the embankment body, and an anti-seepage body for lowering the water level is also provided inside the embankment body; a wave-breaking wall, which is arranged on the top of the embankment body; protection components, which are arranged in multiple groups and fixedly laid on the slope protection on the water side of the embankment body; protection plates, which are arranged in multiple groups and fixedly set on two adjacent protection components; an ice-breaking component, which is arranged between the protection components, and the ice-breaking component passes through the gap between the protection plates toward the river channel; an arresting cable, one end of which is fixed to the bottom end of the protection component, and the other end can pass through the protection component and extend into the river channel.

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.

The invention belongs to the field of river levee slope protection, and particularly relates to a river levee slope protection structure and a construction technology, the protection structure comprises a river levee slope body, a protection plate is arranged on the outer wall of the river levee slope body, a plurality of planting cavities are formed in the protection plate at equal intervals, and a top plate is arranged at the top of the river levee slope body; according to the river levee slope, the river levee slope body is conveniently protected through the arranged protection plates, direct scouring of river water and rainwater to the river levee slope body is avoided, the situation that landslide occurs after the river levee slope body is soaked in water is effectively prevented, the road holding force of the protection plates is increased through the arranged insertion plates, the protection plates are installed more firmly, and through flow guiding of the flow guiding plates, the river levee slope body is protected more firmly. According to the river bank slope planting device, the situation that water flow directly impacts the turf during drainage on the river side is effectively prevented, the firmness of turf planting is improved, through the arranged mounting plate and the formed empty grooves, turf rhizomes can be conveniently grabbed and attached, and the turf can be more firmly attached to the river bank slope body after being planted.

According to one or more embodiments, a thin-walled perforated structure to grow corals and dissipate wave energy is disclosed. Two types of thin-walled perforated structures are described: reef-crest structure and back reef structure. The reef-crest perforated structure can include a front perforated plate including a first plurality of apertures, a back perforated plate including a second plurality of apertures, and a top perforated plate including a third plurality of apertures. The top perforated plate is coupled to the front perforated plate and the back perforated plate. The thin-walled perforated structure can further include a front interior perforated plate including a fourth plurality of apertures, a back interior perforated plate including a fifth plurality of apertures, a front energy dissipator coupled to the front perforated plate or the top perforated plate, or both, and a back energy dissipator coupled to the back perforated plate or the top perforated plate, or both. The back-reef structure has five inclined side plates and a top plate. Each side plate has a plurality of apertures, and the top plate has one aperture. There is a side energy dissipator between two side perforated plates, and there is a top energy dissipator at the place where the top plate and a side plate meet. The bottom of each side plate has a triangle clearance to accommodate the bottom roughness.

A concrete wave attenuating apparatus facilitating the formation of a vertical oyster reef includes: A) A concrete wave attenuating frame having i) a concrete frame top and a concrete frame bottom defining a periphery of the frame, each having corners and sides extending between the corners, ii) concrete corner posts extending generally vertically between generally aligned corners of the concrete frame top and the concrete fame bottom, iii) concrete sides between the concrete corner posts extending generally vertically between the generally aligned sides of the of the concrete frame top and the concrete fame bottom, a plurality of passages extending through the concrete sides; B) A space defined within the concrete wave attenuating frame, wherein the plurality of passages extend to the space; and C) optionally Cultch material within the space.

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.

The invention relates to the technical field of wharf structures, and discloses a wharf structure reinforced by basalt fiberboards, which comprises a pile foundation, a pile cap mounted at the top of the pile foundation, a prefabricated cross beam mounted at the top of the pile cap and a panel mounted at the top of the cross beam, an insertion groove for insertion of the insertion plate is prefabricated in the top of the pile cap, a first prefabricated hole is prefabricated in the insertion plate, second prefabricated holes are prefabricated in the two sides of the insertion groove, a split bolt is arranged in the first prefabricated hole, and the two ends of the split bolt are located in the two second prefabricated holes correspondingly and are in threaded connection with limiting nuts correspondingly; basalt fiber boards are prefabricated at the bottoms of the cross beams and abut against the pile caps. The stability of the wharf structure can be improved.

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.

The invention relates to the technical field of port engineering foundation treatment and wharf structure reinforcement, and discloses a port high-pile wharf pile foundation reinforcement structure suitable for a soft soil foundation, which comprises a pile foundation body and a bearing platform mounted on the pile foundation body, and further comprises a main steel pipe pile arranged in the side direction of the pile foundation body in a driving manner, the pile top elevation of the main steel pipe piles is lower than the bottom face of the bearing platform, the root key pipes are hollow steel pipes, and the inner ends of the root key pipes are connected with different elevation positions of pile bodies of the main steel pipe piles. The foundation bearing capacity can be improved, and pile foundation settlement is reduced; the radiation root key pipe and the pile top connection node can reduce the horizontal displacement of the pile body, disperse the bending moment and prevent damage; and disturbance of construction to soft soil is small, operation can be conducted in wharf operation gaps, and safety and long-term stability of the wharf structure are comprehensively guaranteed.

The application provides a reservoir drawdown zone suitable habitat construction and precise vegetation restoration method, which comprises the following steps: S1, reservoir drawdown zone habitat suitability analysis; S2, reservoir drawdown zone vertical function partition; S3, microtopography regulation; S4, vegetation restoration species selection and partition function configuration. The application fully considers the reservoir periodic flooding rhythm and site environment difference, combines the partition prominent problems, screens the tree-shrub-grass vegetation, and optimizes the partition configuration, so that the functions and benefits such as soil fixation, bank protection, sand interception, pollution interception, water quality protection and biodiversity maintenance are maximized.

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.

The utility model discloses a large-size cast-in-place concrete splicing formwork. The large-size cast-in-place concrete splicing formwork comprises a formwork body, a plurality of hanging rods and a plurality of sets of splicing assemblies. The plurality of hanging rods are vertically arranged and are fixed on the inner side plate surface of the template body at equal intervals; the lifting rod comprises a longitudinal beam and a lifting lug arranged on the top side of the longitudinal beam; the splicing assembly is composed of an outwards-convex connecting part, an inwards-concave connecting part and a fastening connecting piece. The outwards-convex connecting parts and the inwards-concave connecting parts of the multiple sets of splicing assemblies are arranged on the edges of the left side and the right side of the formwork body at intervals in a one-to-one correspondence mode and fixedly connected in an embedded fit mode. According to the formwork, the suspenders and the splicing assemblies are additionally arranged, so that the structural strength of the formwork and the bonding strength of the formwork and concrete are enhanced, and deformation during later concrete pouring is avoided; and meanwhile, rapid and gapless high-quality connection of the two formworks can be achieved through the splicing assembly, and the problem of grout leakage during later concrete pouring is effectively avoided.

The invention relates to the technical field of coast protection, and discloses a wave dissipation facility and a construction method thereof.The facility comprises a PHC pile, a reinforced concrete structure with the triangular section is arranged at the top of the PHC pile, and a front baffle is arranged at the lowermost end of the head wave face of the reinforced concrete structure; prefabricated ribbed plates are laid on the triangular slope of the wave facing face, a plurality of water permeable holes are formed in the prefabricated ribbed plates, energy dissipation plates are arranged at the positions, under the water permeable holes, of the triangular belly, and longitudinal beams with reverse arcs are arranged at the uppermost end of the wave facing face. By means of the wave dissipation facility, the problem of water permeation can be solved, and wave energy can be eliminated to the maximum extent.

To provide a method for repairing an underwater concrete structure, which can easily and reliably repair a portion requiring repair and reduces the risk of repair filler falling off after repair. [Solution] A method for repairing an area requiring repair that has been formed on the bottom surface 1a of an underwater concrete structure 1, comprising: a filling space forming process in which the area requiring repair is chipped away to form a filling space A for repair filler 4 having an opening 3a on the bottom surface 1a of the concrete structure 1; a filling space shaping process in which an inclined surface 3b that widens upward is formed around the entire circumference or part of the inner surface of the opening 3a; a repair filler filling process in which the repair filler 4 is filled into the filling space A; and a filling space closing process in which the opening 3a is blocked from below with a bottom plate 5, and a buoyant body 7 filled with air is placed below the bottom plate 5, and the buoyancy of the buoyant body 7 presses the bottom plate 5 against the opening 3a.