Mangrove extreme wave protection structure and optimization method

Abstract

The application particularly relates to a mangrove extreme wave protection structure and an optimization method, and belongs to the technical field of mangrove protection. The mangrove extreme wave protection structure comprises a protection net and protection piles. The protection piles are arranged on both sides of the length direction of the protection net. The protection pile comprises a pile body and a plurality of buffer assemblies. The pile body is inserted into the ground. The plurality of buffer assemblies are connected vertically in sequence. The buffer assembly at the bottom is connected to the top of the pile body. The buffer assembly comprises a seat body, a movable part and a connecting part. The seat body is provided with a containing cavity. The bottom of the seat body is provided with an opening communicating with the containing cavity. The movable part is contained in the containing cavity. The movable part is in clearance fit with the containing cavity. An elastic member is arranged between the outer wall of the movable part and the inner wall of the containing cavity. The connecting part is connected to the movable part through the opening. The connecting part of the upper buffer assembly is connected to the seat body of the lower buffer assembly between the adjacent two buffer assemblies. The connecting part of the buffer assembly at the bottom is connected to the top of the pile body. The protection net is connected to each seat body.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of mangrove protection, and particularly relates to a mangrove extreme wave protection structure. BACKGROUND

[0002] Mangrove is a salt-tolerant evergreen woody plant community mainly composed of mangrove plants growing in the intertidal zone of subtropical and tropical regions. Mangrove not only can stabilize soil and water and effectively curb coastal erosion, but also can weaken the damage of waves to coastal engineering structures and urban production and living facilities when a tsunami strikes. Therefore, mangrove is an important ecological system in the southern coastal cities of China, which not only has a huge carbon sink capacity and ecological benefits, but also can provide multi-directional protection for the coastal environment. During the growth of mangrove, it is affected by complex marine environment, especially under extreme sea conditions, mangrove is easily subjected to the impact of severe ocean waves. Under extreme sea conditions, the wave field is relatively complex, the wave height is large, and the nonlinearity is strong. When interacting with mangrove, the huge energy contained in extreme waves produces a large load on mangrove, which may cause damage to mangrove vegetation and ecological system, and seriously threatens the survival safety of mangrove. Therefore, how to increase the protection effect of mangrove under extreme waves is a technical problem to be solved. SUMMARY

[0003] The purpose of the present application is to provide a mangrove extreme wave protection structure and an optimization method, which can increase the protection effect of mangrove.

[0004] To achieve the above-mentioned purpose of the application, the technical solution adopted by the present application is as follows: on the one hand, the present application provides a mangrove extreme wave protection structure, which comprises a protection net and a protection pile. The protection pile is arranged on both sides of the length direction of the protection net, and the protection pile comprises a pile body and a plurality of buffer assemblies. The pile body is inserted into the ground, and the plurality of buffer assemblies are connected vertically in sequence. The bottommost buffer assembly is connected to the top of the pile body. The buffer assembly comprises a seat body, a movable part and a connecting part. The seat body is provided with a containing cavity, and the bottom of the seat body is provided with an opening communicating with the containing cavity. The movable part is accommodated in the containing cavity, and the movable part is gap-fitted with the containing cavity. An elastic member is arranged between the outer wall of the movable part and the inner wall of the containing cavity. The connecting part is connected to the movable part through the opening. Between the adjacent two buffer assemblies, the connecting part of the upper buffer assembly is connected to the seat body of the lower buffer assembly, and the connecting part of the bottommost buffer assembly is connected to the top of the pile body. The side edges of the protection net in the width direction are connected to each seat body.

[0005] In some embodiments, the connecting part comprises two struts, the middle parts of the two struts are rotationally connected, the struts comprise a first side and a second side along the length direction of the struts, the first side is arranged in the accommodating cavity through the opening, the movable part comprises two first arc-shaped shells, the inner concave sides of the two first arc-shaped shells are oppositely arranged, the inner concave sides of the two first arc-shaped shells are respectively connected to the first sides of the two struts, between the two adjacent buffer assemblies, the second side of the strut of the upper buffer assembly is connected to the seat body of the lower buffer assembly, and the second side of the strut of the bottommost buffer assembly is connected to the pile body.

[0006] In some embodiments, the buffer assembly corresponding to the two first arc-shaped shells further comprises two second arc-shaped shells, the inner concave side of the second arc-shaped shell faces the outer convex side of the first arc-shaped shell, and the elastic member connects the first arc-shaped shell and the second arc-shaped shell.

[0007] In some embodiments, the side wall surface of the accommodating cavity is an arc surface matched with the second arc-shaped shell.

[0008] In some embodiments, the elastic member is a spring, and a plurality of elastic members are arranged, and the shaft centers of the plurality of elastic members extend along the radial direction of the first arc-shaped shell.

[0009] In some embodiments, the strut is rotationally provided with a winding roller, the first arc-shaped shell arranged on the strut is provided with a threading hole, the winding roller winds a connecting rope, the connecting rope is connected to the second arc-shaped shell through the threading hole, the winding roller is provided with a pushing part, and when the first sides of the two struts are folded, one of the struts pushes the pushing part of the other strut to make the winding roller wind the connecting rope.

[0010] In some embodiments, the pile body is spaced apart to be provided with two first limiting cavities, opposite sides of the two first limiting cavities are provided with entrances, the seat body is spaced apart to be provided with two second limiting cavities, opposite sides of the two second limiting cavities are provided with entrances, opposite sides of the two second sides of the two struts are provided with protruding parts, and the two first limiting cavities and the two second limiting cavities are used to accommodate the protruding parts of the corresponding struts.

[0011] In some embodiments, between the two adjacent buffer assemblies, the lower seat body is movably provided with an abutting part in the vertical direction, and the pile body is movably provided with an abutting part corresponding to the bottommost buffer assembly, the abutting part is used to abut between the corresponding two struts, so that the second sides of the two struts are separated.

[0012] In some embodiments, the protective net is made of elastic material.

[0013] On the other hand, the embodiments of the present application also provide a mangrove extreme wave protection structure optimization method, comprising the following steps:

[0014] A meshless extreme wave and mangrove interaction SPH-FEA coupling numerical model is established.

[0015] According to the numerical model, the influence of wave parameters, tidal flat topography and plant parameters on the wave surface, flow velocity, pressure, vorticity and the force and deformation response of the mangrove trees near the mangrove trees is calculated and analyzed.

[0016] The interaction of extreme waves and mangroves protected by protective structures with different structural forms, sizes and arrangement conditions is simulated.

[0017] According to the numerical model, the influence of the form, size and arrangement of the protective structure on the flow velocity, wave surface, vorticity and pressure field of the mangrove trees, and the wave load and deformation response of the plants is studied.

[0018] The present application has the following beneficial effects:

[0019] 1、When the protective net is impacted by waves, the waves drive the seat body to move, and under the action of the elastic member, the torque received by the protective net can be buffered, reducing the risk of damage to the protective net. The plurality of buffering assemblies are arranged from top to bottom, so that according to the size of the wave impact force, the offset distance of the seat body of each buffering assembly relative to the pile body gradually increases from bottom to top, increasing the buffering range at the same time, so that the protective net can be in an inclined state, thereby increasing the protection effect of the protective net, and further reducing the risk of damage to the protective net.

[0020] 2、Because the wave has strong nonlinear characteristics in the interaction of extreme waves and mangroves, and the influence of the flexibility of mangrove plants needs to be considered, the flow field and stress of the wave and plant interaction are relatively complex, and there is a certain error between the calculation results and the actual situation, and the physical model test resource consumption is large, the investment is high, and environmental pollution is also easy to cause. Based on the SPH and FEA methods, an SPH-FEA coupling model for the interaction of extreme waves and mangroves is established, which can consider the nonlinearity of waves and the flexibility of plants, which not only makes up for the shortcomings of traditional physical experiments, but also improves the calculation accuracy. Extreme waves contain a lot of energy and are highly nonlinear, and will generate a large wave load on the mangrove forest. Excessive wave load will also affect the deformation response of the mangrove forest, such as excessive deformation amplitude leading to the breaking and destruction of the branches or trunks of the mangrove forest, directly threatening the safety of the mangrove forest. The method considers the nonlinear wave conditions and plant flexibility factors, and analyzes the influence of wave parameters, plant parameters and tidal flat topography on the flow velocity, wave surface, vorticity and pressure field of the extreme wave and mangrove interaction, and the wave load and deformation response of the mangrove forest. Further, the method can provide a basis for the optimization of protective structures. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a schematic diagram of the exploded structure of the extreme wave protection structure of the mangrove forest of the present application;

[0022] Figure 2A structure diagram of a connecting part of the present application;

[0023] Figure 3 A structure diagram of a connecting part of the present application; Figure 1 An enlarged view of A of the present application.

[0024] The drawings show that: 1 is a pile body, 2 is a buffer assembly, 3 is a protective net, 4 is a brace, 5 is a second arc-shaped shell, 6 is a first arc-shaped shell, 7 is a protrusion, 8 is a winding roller, 9 is a connecting rope, 10 is a shifting part, 11 is an abutting part, 12 is a first limiting cavity, 13 is a second limiting cavity, 14 is a seat body, and 15 is a containing cavity. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. If not specifically indicated, the technical means used in the embodiments are conventional means familiar to those skilled in the art.

[0026] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0027] In one aspect, the present application provides a mangrove extreme wave protection structure, which comprises a protective net 3 and a protective pile. The protective pile is arranged on both sides of the length direction of the protective net 3, and the protective pile comprises a pile body 1 and a plurality of buffer assemblies 2. The pile body 1 is inserted into the ground, and the plurality of buffer assemblies 2 are connected vertically in sequence. The bottommost buffer assembly 2 is connected to the top of the pile body 1. The buffer assembly 2 comprises a seat body 14, a movable part and a connecting part. The seat body 14 is provided with a containing cavity. The bottom of the seat body 14 is provided with an opening communicating with the containing cavity 15. The movable part is contained in the containing cavity 15. The movable part is in clearance fit with the containing cavity 15. An elastic member is arranged between the outer wall of the movable part and the inner wall of the containing cavity 15. The connecting part is connected to the movable part through the opening. Between the two adjacent buffer assemblies 2, the connecting part of the upper buffer assembly 2 is connected to the seat body 14 of the lower buffer assembly 2. The connecting part of the bottommost buffer assembly 2 is connected to the top of the pile body 1. The side edges of the protective net 3 in the width direction are connected to each seat body 14.

[0028] The protective net 3 is used to protect the mangrove, that is, when the extreme wave flows to the mangrove, the wave is blocked and buffered by the protective net 3, thereby reducing the risk of the mangrove being damaged under the impact of the wave.

[0029] The protective pile supports the protective net 3, so that the protective net 3 can be expanded.

[0030] The pile body 1 is inserted into the ground, so that the position of the protective pile can be fixed. The fixing mode of the pile body 1 can be selected in the existing mode, which will not be described here.

[0031] The plurality of buffer assemblies 2 form a vertically extending rod-like structure, and the protective net 3 is connected to the seat body 14 of each buffer assembly 2, so that the protective net 3 can be vertically expanded.

[0032] The movable part and the accommodating cavity 15 are clearance fit, so that the position of the movable part relative to the accommodating cavity 15 can be adjusted within a certain range.

[0033] When the movable part moves relative to the accommodating cavity 15, the elastic member can be compressed, so that the elastic member can generate an elastic restoring force.

[0034] The elastic member plays a role of buffering the torque received by the buffer assembly 2, and on the other hand, the elastic member plays a role of resetting the buffer assembly 2.

[0035] The connection mode of the protective net 3 and the seat body 14 can be selected in the existing mode, which will not be described here.

[0036] When the protective net 3 is impacted by waves, the waves drive the seat body 14 to move, and under the action of the elastic member, the torque received by the protective net 3 can be buffered, reducing the risk of damage to the protective net 3.

[0037] The plurality of buffer assemblies 2 are arranged from top to bottom, so that according to the size of the wave impact force, from bottom to top, the offset distance of the seat body 14 of each buffer assembly 2 relative to the pile body 1 gradually increases, increasing the buffering range, at the same time, the protective net 3 can be in an inclined state, thereby increasing the protection effect of the protective net 3, further reducing the risk of damage to the protective net 3.

[0038] In some embodiments, the connecting part includes two struts 4, the middle parts of the two struts 4 are rotationally connected, along the length direction of the strut 4, the strut 4 includes a first side and a second side, the first side is arranged in the accommodating cavity 15 through the opening, the movable part includes two first arc-shaped housings 6, the inner concave sides of the two first arc-shaped housings 6 are oppositely arranged, the inner concave sides of the two first arc-shaped housings 6 are respectively connected to the first sides of the two struts 4, between the adjacent two buffer assemblies 2, the second side of the strut 4 of the upper buffer assembly 2 is connected to the seat body 14 of the lower buffer assembly 2, and the second side of the strut 4 of the bottommost buffer assembly 2 is connected to the pile body 1.

[0039] The two support rods 4 are connected in the middle and can rotate relative to each other, so that the two support rods 4 can have two states, one is that the first side of the two support rods 4 is closed, and the other is that the second side of the two support rods 4 is separated.

[0040] When the first side of the two support rods 4 is closed, the distance between the two first arc-shaped housings 6 is reduced, so that the movable part can be taken out of the accommodating cavity 15, and vice versa, when the first side of the two support rods 4 is separated, the distance between the two first arc-shaped housings 6 is increased, so that the movable part cannot be taken out of the accommodating cavity 15.

[0041] Under the action of the two support rods 4, the movable part can be detachably connected to the seat body 14, and when a certain buffer assembly 2 is damaged, it can be replaced.

[0042] The first arc-shaped housing 6 has an arc surface structure, and the inner concave sides of the two first arc-shaped housings 6 are oppositely arranged, so that the two first arc-shaped housings 6 can form a circular ring structure, and the outer circumferential wall of the circular ring structure is an outer convex arc surface. This arrangement increases the range of positions where the elastic member can contact the movable part, thereby enabling the movable part to move relative to the accommodating cavity 15 within a horizontal range of 360 degrees, and increasing the buffering effect of the buffer assembly 2.

[0043] In some embodiments, the buffer assembly 2 corresponding to the two first arc-shaped housings 6 further comprises two second arc-shaped housings 5, the inner concave side of the second arc-shaped housing 5 faces the outer convex side of the first arc-shaped housing 6, and the elastic member connects the first arc-shaped housing 6 and the second arc-shaped housing 5.

[0044] The elastic member is arranged between the first arc-shaped housing 6 and the second arc-shaped housing 5, and when the second arc-shaped housing 5 abuts against the inner wall of the accommodating cavity 15, the first arc-shaped housing 6 can float relative to the second arc-shaped housing 5.

[0045] On the one hand, this structure enables the elastic member, the first arc-shaped housing 6 and the second arc-shaped housing 5 to be taken out of the accommodating cavity 15 when the first side of the two support rods 4 is closed, facilitating maintenance of the first arc-shaped housing 6, the second arc-shaped housing 5 and the elastic member. On the other hand, the first arc-shaped housing 6 and the second arc-shaped housing 5 cooperate to enable the first arc-shaped housing 6 to swing relative to the second arc-shaped housing 5, and the second arc-shaped housing 5 can abut against the inner wall of the accommodating cavity 15, thereby reducing the requirement for the machining precision of the accommodating cavity 15. On the other hand, the inner concave side of the second arc-shaped housing 5 faces the outer convex side of the first arc-shaped housing 6, so that the second arc-shaped housing 5 can limit the vertical displacement of the first arc-shaped housing 6, thereby reducing the risk of the first arc-shaped housing 6 swinging greatly in the vertical direction and causing the pile body 1 to loosen.

[0046] In the embodiments of the present application, when the first arc-shaped shell 6 and the second arc-shaped shell 5 are accommodated in the accommodation cavity 15, the second arc-shaped shell 5 can abut against the inner wall of the opening of the accommodation cavity 15 and the inner wall of the accommodation cavity 15 facing the opening. The first arc-shaped shell 6 can also abut against the inner wall of the accommodation cavity 15 facing the opening, so as to reduce the risk of large displacement of the first arc-shaped shell 6 in the vertical direction.

[0047] In the embodiments of the present application, the size of the opening can be appropriately set according to the angle of rotation of the two support rods 4, the size of the first arc-shaped shell 6 and the second arc-shaped shell 5, so that in the working state, the movable part cannot be taken out of the accommodation cavity 15, and in the disassembling state, the movable part can be taken out of the opening.

[0048] In the embodiments of the present application, a limiting structure can be arranged between the second arc-shaped shell 5 and the inner wall of the accommodation cavity 15, so that when the second arc-shaped shell 5 abuts against the inner wall of the accommodation cavity 15, the second arc-shaped shell 5 cannot rotate relative to the inner wall of the accommodation cavity 15. The limiting structure can be selected in the existing structure.

[0049] In some embodiments, the side wall surface of the accommodation cavity 15 is an arc surface matched with the second arc-shaped shell 5.

[0050] The side wall surface of the accommodation cavity 15 is an arc surface matched with the second arc-shaped shell 5, so that the outer peripheral wall of the second arc-shaped shell 5 can closely fit the inner peripheral wall of the accommodation cavity 15, thereby improving the supporting effect on the second arc-shaped shell 5.

[0051] In some embodiments, the elastic member is a spring, and a plurality of elastic members are arranged, and the shaft center of the plurality of elastic members extends along the radial direction of the first arc-shaped shell 6.

[0052] The shaft center of the elastic member is the direction of spiral extension of the spring.

[0053] The elastic member is arranged in a plurality of forms, and the shaft center of the elastic member extends along the radial direction of the first arc-shaped shell 6, so that when the first arc-shaped shell 6 moves relative to the second arc-shaped shell 5, the elastic member along the radial direction of the first arc-shaped shell 6 can be fully compressed, thereby increasing the resetting effect of the first arc-shaped shell 6.

[0054] In some embodiments, the support rod 4 is provided with a winding roller 8, the first arc-shaped shell 6 arranged on the support rod 4 is provided with a threading hole, the winding roller 8 winds a connecting cord 9, the connecting cord 9 is connected to the second arc-shaped shell 5 through the threading hole, and the winding roller 8 is provided with a pushing part 10, which is configured to be pushed by one of the two support rods 4 when the first sides of the two support rods 4 are folded, so as to make the winding roller 8 wind the connecting cord 9.

[0055] When the two first sides of the two struts 4 are closed, the other strut 4 pushes the actuating part 10, so that the winding roller 8 rotates, the winding roller 8 winds the connecting cord 9, so that the second arc-shaped shell 5 can be close to the first arc-shaped shell 6, facilitating the taking out of the first arc-shaped shell 6 and the second arc-shaped shell 5 from the containing cavity 15. At the same time, the connecting cord 9 also plays a role of limiting the maximum displacement of the movable first arc-shaped shell 6 relative to the second arc-shaped shell 5.

[0056] In the embodiment of the present application, a torsional spring can be arranged between the winding roller 8 and the strut 4, so that when the first arc-shaped shell 6 moves relative to the second arc-shaped shell 5, the connecting cord 9 can be released, and after the first arc-shaped shell 6 is reset, the winding roller 8 can wind the connecting cord 9.

[0057] In some embodiments, the stake body 1 is arranged with two first limiting cavities 12 at intervals, the opposite sides of the two first limiting cavities 12 are arranged with entrances, the seat body 14 is arranged with two second limiting cavities 13 at intervals, the opposite sides of the two second limiting cavities 13 are arranged with entrances, and the two second sides of the two struts 4 are arranged with protruding parts 7 at opposite sides, the two first limiting cavities 12 and the two second limiting cavities 13 are used for containing the corresponding protruding parts 7 of the struts 4.

[0058] When the two second sides are separated, the protruding part 7 of the strut 4 is clamped into the corresponding first limiting cavity 12 or second limiting cavity 13, so that the connecting part can be connected to the stake body 1 or the seat body 14.

[0059] When the first arc-shaped shell 6 and the second arc-shaped shell 5 are taken out of the containing cavity 15, the strut 4 can be simultaneously disconnected from the seat body 14 or the stake body 1, improving the disassembly efficiency of the buffer assembly 2.

[0060] In some embodiments, between the two adjacent buffer assemblies 2, the lower seat body 14 is movably arranged with an abutting part 11 in the vertical direction, and the stake body 1 is movably arranged with an abutting part 11 corresponding to the bottommost buffer assembly 2, the abutting part 11 is used for abutting between the corresponding two struts 4, so that the second sides of the two struts 4 are separated.

[0061] When the abutting part 11 moves upward in the vertical direction, the abutting part 11 can push away the strut 4, so that the two first sides are separated, and vice versa, when the abutting part 11 moves downward in the vertical direction, the two struts 4 can be closed, and then the two first sides are closed.

[0062] The abutting part 11 can realize the functions of locking or unlocking the connecting part.

[0063] The driving structure of the abutting part 11 can be selected in the existing structure, which will not be described here.

[0064] In some embodiments, the protective net 3 is made of elastic material.

[0065] The elastic material of the protective net 3 refers to that the rope for weaving the protective net 3 is made of an elastic material.

[0066] The protective net 3 is made of an elastic material, and the protective net 3 will also be elastically deformed after the deformation of the plurality of buffer assemblies 2. When the protective net 3 is reset, the elastic restoring force generated is also conducive to the reset of the buffer assembly 2. In addition, the protective net 3 made of an elastic material reduces the risk of damage under wave impact. Further, the protective net 3 made of an elastic material can be expanded in part under the displacement of the plurality of buffer structures, further reducing the risk of damage to the protective net 3.

[0067] In order to ensure the protection effect on the mangrove forest, the protective structure of the embodiment of the application can be set as multiple rows and multiple columns as needed.

[0068] On the other hand, the embodiment of the application also provides a method for optimizing an extreme wave protective structure of a mangrove forest, comprising the following steps:

[0069] S1, establishing a meshless extreme wave and mangrove forest interaction SPH-FEA coupled numerical model.

[0070] The specific way of establishing the numerical model is known to those skilled in the art. In general, first, the N-S equation is solved based on the SPH method, and the Rayleigh equation is used for numerical wave making to realize the calculation and simulation of the extreme wave flow field. At the same time, the FEA method is used to numerically solve the stress, displacement and deformation of the structure, and the SPH model and the FEA model are coupled to calculate, and a meshless SPH-FEA coupled numerical model of the extreme wave and mangrove forest interaction considering the nonlinearity of the wave and the flexibility of the plant is established.

[0071] In order to improve the calculation efficiency of the model, the coupled model can be calculated by GPU.

[0072] S2, according to the numerical model, the influence of wave parameters, tidal flat topography and plant parameters on the wave surface, flow velocity, pressure, vorticity and deformation response of the mangrove forest near the mangrove forest is calculated and analyzed.

[0073] The extreme wave and mangrove forest interaction of different wave parameters is calculated by using the coupled numerical model to calculate the flow field, load stress and deformation response of the mangrove forest, and the influence of the wave parameters on the hydrodynamic characteristics, wave load and deformation response of the mangrove forest is analyzed.

[0074] Through the analysis of the extreme wave and mangrove forest interaction of a plurality of different tidal flat topographies, the changes of the flow velocity, wave surface, vorticity and pressure field of the mangrove forest and the wave load and deformation response of the trees are studied.

[0075] The mangrove flow velocity, wave surface, vorticity and pressure field, and the mangrove wave load and deformation response under different mangrove layout conditions are calculated and analyzed.

[0076] S3. The interaction between the mangrove and the protection structure under extreme waves and different structure forms, sizes and layout conditions is simulated.

[0077] S4. According to the numerical model, the influence of the structure form, structure size and structure layout on the mangrove flow velocity, wave surface, vorticity and pressure field, and the mangrove wave load and deformation response is studied.

[0078] By studying the influence of the structure form on the hydrodynamic characteristics, load and deformation response of the mangrove, the protection effect of structures such as wooden piles, geotextile sand bags, hollow bricks and bamboo cages on the mangrove is analyzed, and a protection structure with better protection effect and more economic is proposed.

[0079] The influence of the structure size such as the length, width and height of the protection structure on the hydrodynamic characteristics, wave load and deformation response of the mangrove is analyzed, and the structure layout size with the optimal protection effect is explored.

[0080] The influence of the structure layout on the hydrodynamic characteristics, wave load and deformation response of the mangrove is analyzed, and the layout condition with better protection effect is summarized.

[0081] The above examples only describe the preferred modes of the present application, and do not limit the scope of the present application. Without departing from the design spirit of the present application, various deformations, modifications, changes and replacements of the technical solutions of the present application made by those skilled in the art shall fall within the protection scope determined by the claims of the present application.

Claims

1. A mangrove extreme wave protection structure, characterized in that, The utility model relates to a fence (3) is provided with, the fence (3) includes the fence net (3) and the fence post (1) of two, the fence net (3) is arranged in the length direction of the fence post (1), the fence post (1) includes the post body (1) and a plurality of buffer assembly (2), the post body (1) is inserted in the ground, a plurality of buffer assembly (2) vertical connection in turn, the buffer assembly (2) of the bottom most is connected in the top of post body (1), buffer assembly (2) includes seat body (14), movable part and connecting part, seat body (14) is provided with the accommodating cavity (15), seat body (14) bottom is provided with the opening with accommodating cavity (15) intercommunication, movable part is accommodated in accommodating cavity (15), movable part and accommodating cavity (15) gap cooperation, the elastic member is arranged between the outer wall of movable part and the inner wall of accommodating cavity (15), connecting part is connected in movable part via opening, between adjacent two buffer assembly (2), the connecting part of the buffer assembly (2) of upper side is connected in the seat body (14) of the buffer assembly (2) of lower side, the connecting part of the buffer assembly (2) of bottom most is connected in the top of post body (1), the side edge of fence net (3) is connected in each seat body (14), connecting part includes two bracing piece (4), the middle part rotation is connected of two bracing piece (4), along the length direction of bracing piece (4), bracing piece (4) includes first side and second side, first side is provided in accommodating cavity (15) via opening, movable part includes two first arc shell (6), the concave side of two first arc shell (6) is opposite and is provided, the concave side of two first arc shell (6) is connected in the first side of two bracing piece (4) respectively, between adjacent two buffer assembly (2), the second side of bracing piece (4) of the buffer assembly (2) of upper side is connected in the seat body (14) of the buffer assembly (2) of lower side, the second side of bracing piece (4) of the buffer assembly (2) of bottom most is connected in post body (1), buffer assembly (2) corresponds two first arc shell (6) still includes two second arc shell (5), the concave side of second arc shell (5) is towards the convex side of first arc shell (6), the elastic member connects first arc shell (6) and second arc shell (5), bracing piece (4) rotation is provided with winding roller (8), the first arc shell (6) of bracing piece (4) is provided with threading hole, winding roller (8) is wound with connecting cable (9), connecting cable (9) is connected in second arc shell (5) via threading hole, winding roller (8) is provided with the knob part (10), the knob part (10) is configured as the first side of two bracing piece (4) is folded, wherein one bracing piece (4) knob part (10) of another bracing piece (4) is knobbed, to make winding roller (8) wind connecting cable (9). ​ ​ 2. The mangrove extreme wave protection structure according to claim 1, wherein, The side wall surface of the accommodating cavity (15) is an arc surface matched with the second arc-shaped shell (5).

3. The mangrove extreme wave protection structure according to claim 1, wherein, The elastic member is a spring, and a plurality of elastic members are arranged, and the shaft centers of the plurality of elastic members extend along the radial direction of the first arc-shaped shell (6).

4. The mangrove extreme wave protection structure of claim 1, wherein, The pile body (1) is provided with two first limiting cavities (12) at intervals, opposite sides of the two first limiting cavities (12) are provided with entrances, the seat body (14) is provided with two second limiting cavities (13) at intervals, opposite sides of the two second limiting cavities (13) are provided with entrances, and the two second sides of the two supporting rods (4) are provided with protruding portions (7) on opposite sides, the two first limiting cavities (12) and the two second limiting cavities (13) are used for accommodating the protruding portions (7) of the corresponding supporting rods (4).

5. The mangrove extreme wave protection structure of claim 1, wherein, Between the two adjacent buffer assemblies (2), the seat body (14) at the lower side is movably provided with an abutting portion (11), and the pile body (1) corresponding to the bottom buffer assembly (2) is movably provided with an abutting portion (11), the abutting portion (11) abuts between the two corresponding supporting rods (4), so that the second sides of the two supporting rods (4) are separated.

6. The mangrove extreme wave protection structure of claim 1, wherein, The protective net (3) is made of elastic material.

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