Dynamic flood control energy dissipation barrier

Abstract

The invention provides a dynamic flood control energy dissipation barrier which comprises a stepped bank protection structure, a self-floating type flood control wall, a water inlet system and a water outlet system. A double limiting device composed of a top limiting block and a bottom limiting block is arranged in a placement groove and matched with a buoyancy area with a wider cross section on the lower portion of the self-floating type flood control wall; the stroke of the wall body in the vertical direction can be effectively limited, the wall body is prevented from falling off or the bottom of the wall body is prevented from being completely attached to the groove bottom, it is ensured that the wall body can only stably ascend and descend along a preset path under the impact of strong water flow, and the impact resistance and reliability are greatly improved; by means of the gravity and the water flow effect, accumulated water in the groove and carried silt can be automatically and timely drained after the flood falls every time, it is avoided that silt deposition affects normal lifting of the anti-flood wall, the clamping stagnation problem caused by deposition is avoided, and the quick response capacity of the anti-flood barrier is guaranteed.

Description

Technical Field

[0001] This invention relates to the field of flood control equipment technology, and in particular to a dynamic flood control energy dissipation barrier. Background Technology

[0002] Flood control is a crucial part of water conservancy. It involves studying and implementing various countermeasures and measures based on flood patterns and characteristics to prevent or mitigate flood disasters and safeguard socio-economic development. To enhance the adaptability and accessibility of flood control facilities, floating floodwall technology has emerged.

[0003] However, existing floating flood walls often suffer from structural instability and lack limiting mechanisms. Under the impact of strong water flow, they are prone to tilting, jamming, or even being washed away. Secondly, the placement troughs at the bottom of the flood wall are prone to accumulating silt during long-term use. If not cleaned in time, the heavy silt will hinder the wall from floating, causing it to be unable to respond in time when floods arrive, resulting in flood control loopholes.

[0004] In view of this, the inventor has specifically designed a dynamic flood control and energy dissipation barrier and method, which leads to this invention. Summary of the Invention

[0005] To solve the above problems, the technical solution of the present invention is as follows: A dynamic flood control and energy dissipation barrier, comprising: The stepped revetment structure is composed of alternating multi-level stepped horizontal surfaces and connecting sloping surfaces. The edges of the stepped horizontal surfaces are provided with placement grooves, and the placement grooves are provided with limiting devices. The limiting devices include top limiting blocks and bottom limiting blocks. The top limiting blocks are located on both sides of the top of the placement groove, and the bottom limiting blocks are located on both sides of the bottom of the placement groove. The self-floating flood wall is embedded in the placement groove at the edge of each step and has a density less than that of water. The self-floating flood wall is set up in stages along the steps. The self-floating flood wall includes an upper water-blocking area and a lower buoyancy area. The cross-section of the upper water-blocking area is rectangular, and the cross-section of the lower buoyancy area is wider than that of the upper one and transitions through a slope. The top limiting block is used to prevent the lower buoyancy area from floating out of the placement groove, and the bottom limiting block is used to prevent the lower buoyancy area from contacting the bottom of the placement groove. A water inlet system is provided on the connecting slope surface. The water inlet system includes a first water inlet and a second water inlet, and the first water inlet and the second water inlet are connected to the placement tank. The water outlet system is located at the bottom of the stepped revetment structure. The water outlet system includes a drainage pipe that is connected to the bottom of the placement trough. The drainage pipe is inclined from top to bottom along the stepped revetment structure.

[0006] Preferably, the self-floating flood wall includes a primary flood wall, a secondary flood wall, and a tertiary flood wall. The primary flood wall is located in the placement groove on the lowest step level, the secondary flood wall is located in the placement groove on the upper step level behind the primary flood wall, and the tertiary flood wall is located in the placement groove on the highest step level.

[0007] Preferably, the height of the second water inlet is higher than that of the first water inlet.

[0008] Preferably, the primary flood control wall and the secondary flood control wall are provided with water passage holes in the middle, and the diameters of the two ends of the water passage holes are larger than the diameter of the middle part of the water passage holes.

[0009] Preferably, a filtration system is also provided on the stepped horizontal surface, and the filtration system is located on the side of the self-floating flood wall away from the water surface.

[0010] Preferably, the filtration system includes multiple filter layers and a permeable pavement, with the bottom of the multiple filter layers connected to a drain pipe.

[0011] Preferably, the self-floating flood control wall is installed in the placement trough, and an expansion joint is provided between adjacent self-floating flood control walls.

[0012] The technical solution provided by this invention has the following beneficial effects: This invention effectively limits the vertical movement of the wall by installing a double limiting device consisting of a top limiting block and a bottom limiting block inside the installation trough, which works in conjunction with the wider buoyancy zone at the bottom of the self-floating flood wall. This prevents the wall from detaching or completely adhering to the bottom of the trough, ensuring that the wall can only rise and fall stably along a preset path under the impact of strong water flow. This greatly improves the impact resistance and reliability. Secondly, through the water outlet system, the layout of the water outlet pipes is arranged in a downward zigzag shape. Utilizing gravity and water flow, the water and sediment accumulated in the trough can be automatically and promptly drained after each flood recedes, preventing sediment accumulation from affecting the normal rise and fall of the flood wall and avoiding jamming caused by sedimentation. This ensures the rapid response capability of the flood barrier. Attached Figure Description

[0013] The accompanying drawings, which are provided to further illustrate the invention and constitute a part of this invention, are illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention.

[0014] in: Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a side view of the overall structure of the present invention; Figure 3 This is a top view of the overall structure of the invention; Figure 4 This refers to the positional status of the self-floating flood control wall in this invention. Figure 1 ; Figure 5 This refers to the positional status of the self-floating flood control wall in this invention. Figure 2 ; Figure 6 This is a schematic diagram of the self-floating flood control wall structure in this invention.

[0015] Label Explanation: 1. Stepped revetment structure; 11. Stepped horizontal plane; 12. Connecting slope surface; 13. Resettlement trench; 14. Bottom limiting block; 15. Top limiting block; 2. Self-floating flood wall; 21. Upper water-retaining area; 22. Lower buoyancy area; 23. First flood wall; 24. Second flood wall; 25. Third flood wall; 26. Water passage hole; 3. First water inlet; 4. Second water inlet; 5. Drainage pipe; 6. Multi-layer filter layer; 7. Permeable pavement. Detailed Implementation

[0016] To make the technical problems, solutions, and beneficial effects of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of the invention.

[0017] Please see Figures 1-6 This is a dynamic flood control and energy dissipation barrier, which is a preferred embodiment of the present invention, comprising: The stepped revetment structure 1 is composed of alternating multi-level stepped horizontal surfaces 11 and connecting sloping surfaces 12, with placement grooves 13 provided at the edges of the stepped horizontal surfaces 11. The self-floating flood wall 2 is embedded in the installation groove 13 at the edge of each step and has a density less than that of water. The self-floating flood wall 2 is installed in stages along the steps, from bottom to top, it can be a first-level flood wall 23, a second-level flood wall 24, and a third-level flood wall 25. The self-floating flood wall 2 includes an upper water-retaining area 21 and a lower buoyancy area 22. The upper water-retaining area 21 has a rectangular cross-section, and the lower buoyancy area 22 has a wider cross-section than the upper one, transitioning through a slope. The self-floating flood wall 2 is embedded in the installation groove 13 at the edge of the step's horizontal surface 11 and has a density less than that of water. It can automatically float and tightly adhere to the installation groove 13 during floods, effectively preventing floodwaters from overflowing the stepped revetment. The rectangular cross-section of its upper water-retaining area 21 can... The lower buoyancy zone 22 provides stable lateral obstruction, while the buoyancy of the lower buoyancy zone 22 supports the overall structure, ensuring the reliability of the water-blocking effect. This avoids the cumbersome operation during the installation and maintenance of traditional fixed flood walls, as well as the potential problems of seepage and overflow caused by insecure installation. The multi-level design of the stepped revetment structure 1, combined with the self-floating flood wall 2 set up in stages along the steps, can block and dissipate floodwater in stages and layers, reducing the impact pressure and scouring force of floodwater on the overall revetment, effectively preventing floodwater from directly impacting the revetment foundation, reducing the risk of damage to the revetment structure, and can also adapt to different flood levels. Even if some lower-level steps are submerged, the upper steps and the corresponding self-floating flood wall 2 can still continue to play a role, achieving a more comprehensive flood control effect. The water intake system is located on the connecting slope 12. The water intake system includes a first water inlet 3 and a second water inlet 4. The first water inlet 3 and the second water inlet 4 are connected to the placement tank 13. Through the water intake system, it is ensured that when a flood comes, the river water can quickly enter the placement tank 13, so that the flood control wall can float up in time. The drainage system is located at the bottom of the stepped revetment structure 1. The drainage pipe 5 is connected to the bottom of the placement trough 13. The drainage pipe 5 is installed at an angle from top to bottom along the stepped revetment structure 1. Through the drainage system, the layout of the drainage pipe is arranged in a downward zigzag shape. By using gravity and water flow, the silt and residual water in the trough are discharged to avoid silt accumulation affecting the normal raising and lowering of the flood control wall.

[0018] For details, please refer to Figures 1-3The placement trough 13 is equipped with a limiting device, which includes a top limiting block 15 and a bottom limiting block 14. The top limiting block 15 is located on both sides of the top of the placement trough 13, and the bottom limiting block 14 is located a distance away from the bottom of the placement trough 13. This device primarily limits the descent height of the flood wall, preventing it from adhering to the bottom of the placement trough 13 and affecting water inflow or outflow, thus preventing normal floating or causing blockage of silt and water flow during drainage. The top limiting block 15 is located on both sides of the top of the placement trough 13 to prevent the flood wall from detaching from the top of the placement trough 13 during its ascent, limiting the ascent height of the flood wall, and increasing the stability of the flood wall during floods. The presence of the top limiting block 15 and the bottom limiting block 14 provides a clear positioning reference for the installation of the self-floating flood wall 2 within the placement trough 13. Installers can more easily and accurately place the flood wall in the appropriate position, improving installation efficiency and ensuring a tight fit between the flood wall and the placement trough 13.

[0019] Specifically, Figures 1-6 In this embodiment, the self-floating flood wall 2 includes a primary flood wall 23, a secondary flood wall 24, and a tertiary flood wall 25. The primary flood wall 23 is located in the placement groove 13 of the lowest step level 11. The secondary flood wall 24 is located in the placement groove 13 of the step level 11 above and behind the primary flood wall 23. The tertiary flood wall 25 is located in the placement groove 13 of the highest step level 11. The second inlet 4 is an overflow outlet. The primary flood wall 23 and the secondary flood wall 24 have several circular water passage holes 26 in their middle sections. The diameter of the two ends of the water passage hole 26 is larger than the diameter of the middle section of the water passage hole 26. The primary flood wall 23 is installed on the lowest step facing the river and is the first line of defense against floods. The height is determined based on local historical flood levels, wave heights, and safety freeboard, ensuring effective flood control under normal flood conditions. An overflow outlet is installed on the connecting slope to guide water flow into the intake system of the secondary flood wall 24 when floodwaters overflow. Water passage holes 26 ensure a certain water level on one side of the bank after the flood wall is raised, reducing the lateral force of river water on the flood control side and preventing the massive horizontal force of rising floodwaters from causing the flood wall to collapse. The water passage holes 26 use pipes that are wider at both ends and narrower in the middle, so that as the floodwaters rise, the water hitting the flood wall can dissipate energy, greatly reducing the erosion of the bank. A small portion of the water undergoes secondary energy dissipation through the water passage holes 26 within the wall. The tertiary flood wall 25 is located on the highest step, serving as the last line of defense against floods. It is the tallest and longest, designed to cope with extreme flood conditions. A protective railing is installed at the top of the tertiary flood wall 25 to ensure personnel safety. The multi-level flood control wall design not only effectively prevents floods but also reduces the erosion and damage to the riverbanks caused by floods, thus playing a role in wave dissipation and flood control.

[0020] For details, please refer to Figure 3A filtration system is also installed on the stepped horizontal surface 11. The filtration system is located on the side of the self-floating flood wall 2 away from the water surface. The filtration system includes multiple filter layers 6 and a permeable pavement 7. The bottom of the multiple filter layers 6 is connected to the drainage pipe 5. The filtration system is mainly located on the top of the flood wall near the steps. The upper permeable pavement 7 of the filtration system has sufficient thickness and width to allow people to walk on it and achieve the goal of being close to the water. The internal multiple filter layers 6 are stacked layer by layer and use zeolite, activated carbon and other materials to intercept soluble pollutants. The lower part is equipped with a water collection tank connected to the water outlet system, through which water flows into the river.

[0021] Specifically, the self-floating flood wall 2 is installed in the placement trough 13, and an expansion joint is provided between adjacent self-floating flood walls 2. The expansion joint is located at the joint edge of the two unit walls and also runs through the corresponding splicing position of the base, so as to cope with the effects of temperature changes and foundation settlement and avoid wall cracking.

[0022] In summary, this invention, through the stepped revetment structure 1 and the self-floating flood wall 2, allows the river water to enter the main structure when the water level reaches a preset height, using buoyancy to automatically float the self-floating flood wall 2 module without external energy drive. The entire process requires no manual intervention, significantly improving flood control response speed and reducing labor costs, while also buying valuable time for emergency rescue. The water intake system ensures that river water can quickly enter the placement tank 13 when floods arrive, allowing the flood wall to float in time. At the same time, the water outlet system, with the outlet pipes arranged in a downward zigzag shape, uses gravity and water flow to discharge silt and residual water from the tank, preventing silt accumulation from affecting the normal raising and lowering of the flood wall.

[0023] The present invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvements made using the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution of the present invention to other occasions without modification, are all within the protection scope of the present invention.

Claims

1. A dynamic flood control and energy dissipation barrier, characterized in that, include: The stepped revetment structure (1) is composed of alternating multi-level stepped horizontal surfaces (11) and connecting slope surfaces (12). The edges of the stepped horizontal surfaces (11) are provided with placement grooves (13). The placement grooves (13) are provided with limiting devices. The limiting devices include top limiting blocks (15) and bottom limiting blocks (14). The top limiting blocks (15) are located on both sides of the top of the placement groove (13), and the bottom limiting blocks (14) are located on both sides of the bottom of the placement groove (13). The self-floating flood wall (2) is embedded in the placement groove (13) at the edge of each step and has a density less than that of water. The self-floating flood wall (2) is set up in stages along the steps. The self-floating flood wall (2) includes an upper water-blocking area (21) and a lower buoyancy area (22). The cross-section of the upper water-blocking area (21) is rectangular. The cross-section of the lower buoyancy area (22) is wider than that of the upper part and is transitioned by a slope. The top limiting block (15) is used to limit the lower buoyancy area (22) from floating out of the placement groove (13). The bottom limiting block (14) is used to limit the lower buoyancy area (22) from contacting the bottom of the placement groove (13). A water inlet system is provided on the connecting slope surface (12). The water inlet system includes a first water inlet (3) and a second water inlet (4). The first water inlet (3) and the second water inlet (4) are connected to the installation trough (13). The water outlet system is located at the bottom of the stepped revetment structure (1). The water outlet system includes a drain pipe (5), which is connected to the bottom of the placement trough (13). The drain pipe (5) is inclined from top to bottom along the stepped revetment structure (1).

2. The dynamic flood control and energy dissipation barrier according to claim 1, characterized in that, The self-floating flood wall (2) includes a primary flood wall (23), a secondary flood wall (24) and a tertiary flood wall (25). The primary flood wall (23) is located in the placement groove (13) of the lowest step horizontal plane (11). The secondary flood wall (24) is located in the placement groove (13) of the step horizontal plane (11) above the primary flood wall (23). The tertiary flood wall (25) is located in the placement groove (13) of the highest step horizontal plane (11).

3. The dynamic flood control and energy dissipation barrier according to claim 1, characterized in that, The second inlet (4) is higher than the first inlet (3).

4. A dynamic flood control and energy dissipation barrier according to claim 2, characterized in that, The primary flood control wall (23) and the secondary flood control wall (24) are provided with water passage holes (26) in the middle. The diameters of the two ends of the water passage hole (26) are larger than the diameter of the middle part of the water passage hole (26).

5. A dynamic flood control and energy dissipation barrier according to claim 1, characterized in that, A filtration system is also provided on the stepped horizontal plane (11), and the filtration system is located on the side of the self-floating flood wall (2) away from the water surface.

6. A dynamic flood control and energy dissipation barrier according to claim 5, characterized in that, The filtration system includes a multi-layer filter layer (6) and a permeable pavement (7), with the bottom of the multi-layer filter layer (6) connected to the drain pipe (5).

7. A dynamic flood control and energy dissipation barrier according to claim 1, characterized in that, The self-floating flood control wall (2) is set in the placement trough (13), and an expansion joint is provided between adjacent self-floating flood control walls (2).

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