Dike breach gap rapid plugging system and method

Abstract

The system comprises steel sheet piles, fixed piles arranged on embankments on the two sides of the breach gap, anchor chains connected to the embankments on the two sides and crossing the gap, bridge abutments connected between the adjacent anchor chains in a lap joint mode and positioning piles connected to a riverbed in an inserted mode, and the steel sheet piles are used for wrapping the ends of the breach gap. The device is reliable in structure, convenient to operate and good in practical performance, the fixing piles are driven into the embankments on the two sides of the breach to serve as fixing points, the anchor chains are used for connecting the fixing piles on the two sides, the bridge abutment is installed on the anchor chains to serve as a construction platform, a stable foundation is provided, and direct impact of water flow on materials is reduced. And workers and equipment can work on the stable bridge abutment, so that the construction difficulty caused by direct impact of water flow is avoided. In addition, the iron piles are evenly arranged on the iron cable chain to form a pressure reduction structure, the positioning piles penetrate through the anchor chain and are driven into the breach area, and the positioning piles reduce the impact force of water flow on the breach, so that the loss rate of plugging materials is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of water conservancy projects, and particularly relates to a rapid embankment breach plugging system and method. Background Art

[0002] Flood disasters are one of the most common and destructive natural disasters globally. Floods not only cause the inundation of farmland, villages, and cities but also trigger secondary disasters such as debris flows and landslides, further exacerbating the disaster situation. Currently used plugging methods mainly include relatively traditional earth-rock plugging, gabion plugging, gabion strings, tetrahedron concrete, and steel-wood-earth-rock combined dam plugging technologies, etc. However, all are restricted by conditions such as the water depth, flow velocity, drop, and soil quality outside the breach mouth. For breaches with large water depths, high flow velocities, and large drops, auxiliary methods such as sinking ships or constructing crescent-shaped cofferdams have to be adopted to reduce the flow velocity and disperse the drop. These technologies have problems such as more implementation difficulties, low operation efficiency, long construction time, and high risk coefficients for operating personnel. Moreover, they require a large amount of manpower and material resources. Therefore, researching and developing plugging equipment and methods under modern scientific and technological conditions to quickly and effectively plug the breach and minimize flood losses and casualties is a major technical problem that urgently needs to be solved. Summary of the Invention

[0003] To solve the above technical problems, the present invention provides a rapid embankment breach plugging system and method.

[0004] The technical solution of the present invention to solve the above technical problems is as follows: A rapid embankment breach plugging system includes steel sheet piles, a plurality of fixed piles arranged on the embankments on both sides of the embankment breach, a plurality of anchor chains connected to the embankments on both sides and spanning the embankment breach, a bridge abutment lapped between adjacent anchor chains, and positioning piles passing through the anchor chains and inserted into the riverbed. The steel sheet piles are wrapped around the end of the embankment breach.

[0005] Further, the bridge abutment includes a bridge slab, connectors arranged at the four corners of the lower bottom surface of the bridge slab, and enclosures arranged on both sides of the upper end of the bridge slab. The connectors are cooperatively connected to the anchor chains.

[0006] Further, the connectors include two connecting columns arranged at intervals on the lower bottom surface of the bridge slab, a retaining rod hinged to one of the connecting columns, and a limiting block arranged on the other connecting column corresponding to the position of the retaining rod. The end of the connecting column away from the hinge point is lapped on the limiting block. A connecting cavity is formed by enclosing the bridge abutment, the retaining rod, and the connecting column, and the anchor chain is located in the connecting cavity.

[0007] Further, the positioning pile includes a main pile body, a conical pile arranged at the lower end of the main pile body and integrally connected to the main pile body, and a vibrator arranged at the upper end of the main pile body. The main pile body and the conical pile pass through the anchor chain and are inserted into the riverbed.

[0008] Furthermore, the steel sheet pile is of a U-shaped structure.

[0009] Furthermore, the length of the positioning pile is 10m - 30m.

[0010] Furthermore, the diameter of the positioning pile is 80mm - 90mm, and the wall thickness is 15mm - 20mm.

[0011] The present invention also provides a method for quickly plugging a breach in a dike, which uses a quick plugging system for construction operations and includes the following steps:

[0012] S1: Perform wrapping protection treatment on the end of the dike breach with steel sheet piles;

[0013] S2: Subsequently, drive a plurality of fixed piles into the dikes on both sides of the dike breach as the installation foundation for the anchor chain, and install one end of the anchor chain on the fixed pile;

[0014] S3: Move the other end of the anchor chain to the dike on the other side and install it on the fixed pile to form a chain spanning the breach;

[0015] S4: After the anchor chain is installed, workers sequentially install bridge piers on the anchor chain;

[0016] S5: When the bridge piers are installed, lift the positioning pile with a vibrator and move it to the construction area. After the workers align the positioning pile with the anchor chain, vertically insert the positioning pile into the anchor chain;

[0017] S6: When the bottom end of the positioning pile touches the river bottom, the worker starts the vibrator and drives the positioning pile into the riverbed;

[0018] S7: Repeat the above steps S2 to S6 until the positioning piles are evenly inserted into the riverbed.

[0019] The present invention has the following beneficial effects: The quick dike breach plugging system and method provided by the present invention have a reliable structure, convenient operation, and good practical performance. By driving fixed piles into the dikes on both sides of the breach as fixed points, using an anchor chain to connect the two fixed piles, and installing bridge piers on the anchor chain as a construction platform, this method provides a stable foundation and reduces the direct impact of water flow on the materials. And workers and equipment can work on the stable bridge piers, avoiding the construction difficulties caused by the direct impact of water flow. In addition, by evenly arranging iron piles on the cable chain to form a decompression structure, passing the positioning pile through the anchor chain and driving it into the breach area, the positioning pile reduces the impact force of water flow on the breach and reduces the loss rate of plugging materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is the front view of the present invention;

[0022] Figure 3 This is the schematic diagram of abutment construction in the present invention;

[0023] Figure 4 This is the schematic diagram of the abutment structure in the present invention;

[0024] Figure 5 This is the schematic diagram of the connecting piece structure in the present invention;

[0025] Figure 6 This is the schematic diagram of the connection and cooperation between the abutment and the anchor chain in the present invention;

[0026] Figure 7 This is the schematic diagram of the positioning pile structure in the present invention;

[0027] Figures 1 to 7 The reference numerals shown in the figure are respectively represented as: 1 - steel sheet pile, 2 - fixed pile, 3 - anchor chain, 4 - abutment, 5 - positioning pile, 40 - bridge slab, 41 - connecting piece, 42 - enclosure, 410 - connecting column, 411 - retaining bar, 412 - limiting block, 413 - connecting cavity, 50 - main pile body, 51 - tapered pile, 52 - vibrator. Specific embodiments

[0028] The principles and features of the present invention will be described below with reference to the accompanying drawings. The examples given are only used to explain the present invention and are not intended to limit the scope of the present invention.

[0029] As Figures 1 to 3 shown, a rapid dike breach plugging system includes a steel sheet pile 1, a plurality of fixed piles 2 arranged on the dikes on both sides of the dike breach, a plurality of anchor chains 3 connected between the dikes on both sides and spanning the dike breach, an abutment 4 lapped between adjacent anchor chains 3, and a positioning pile 5 passing through the anchor chain 3 and inserted into the riverbed. The steel sheet pile 1 is wrapped around the end of the dike breach.

[0030] The steel sheet pile 1 is of U-shaped structure. The steel sheet pile 1 wraps the end part of the breached gap to form a preliminary water-blocking barrier. Its high strength and high anti-scouring ability can effectively prevent the water flow from further eroding the bank, providing a stable foundation for subsequent construction. The fixed piles 2 are arranged on the banks on both sides of the breached gap and are mainly used to fix the anchor chain 3 and the abutment 4. The depth and quantity of the fixed piles 2 are determined according to the soil quality of the bank and the width of the breach to ensure sufficient uplift resistance and lateral stability. The fixed piles 2 provide stable support points for the whole system, ensuring that the anchor chain 3 and the abutment 4 will not shift or fail due to the impact of water flow during construction. The pile foundation depth of the fixed piles 2 needs to consider the soil quality of the foundation to ensure sufficient uplift resistance and lateral stability, and the driving length is usually one-half to two-thirds of the total length of the iron pile. The anchor chain 3 is connected to the fixed piles 2 on both banks and spans across the breached gap. The anchor chain 3 forms a framework structure spanning across the breach and provides support for the abutment 4 and the positioning pile 5. The abutment 4 is lapped between the adjacent anchor chains 3 and is used as a construction platform. Construction equipment can be installed on the abutment 4, and a safe operating space is provided for construction workers. The abutment 4 provides a stable working platform for construction workers and equipment, improving construction efficiency and reducing construction risks at the same time. The positioning pile 5 penetrates the anchor chain 3 and is inserted into the riverbed, mainly used to further fix the anchor chain 3 and the abutment 4 and enhance the stability of the whole system. The insertion depth of the positioning pile 5 is adjusted according to the soil quality of the riverbed and the water flow velocity. The length of the positioning pile 5 is 10m - 30m, the diameter of the positioning pile 5 is 80mm - 90mm, and the wall thickness is 15mm - 20mm.

[0031] As Figures 4 to 6 shown, the abutment 4 includes a bridge plate 40, connectors 41 arranged at the four corners of the lower bottom surface of the bridge plate 40, and enclosures 42 arranged on both sides of the upper end of the bridge plate 40. The connectors 41 are cooperatively connected to the anchor chain 3. The bridge plate 40 is the main load-bearing part of the abutment 4 and provides an operating platform for construction workers and equipment. The connectors 41 are arranged at the four corners of the lower bottom surface of the bridge plate 40 and are used to connect the bridge plate 40 to the anchor chain 3. The design of the connectors 41 ensures a firm connection between the abutment 4 and the anchor chain 3, while allowing a certain degree of flexibility to adapt to the impact of water flow and construction loads. The enclosures 42 are arranged on both sides of the upper end of the bridge plate 40 and are used to prevent construction workers and equipment from slipping off the abutment 4, improving construction safety.

[0032] Specifically, the connecting member 41 includes two connecting columns 410 which are arranged at intervals on the lower bottom surface of the bridge plate 40, a retaining rod 411 hinged to one of the connecting columns 410, and a limiting block 412 which is arranged on the other connecting column 410 and corresponds to the position of the retaining rod 411. The end of the connecting column 410 away from the hinge point is lapped on the limiting block 412. A connecting cavity 413 is formed by enclosing the abutment 4, the retaining rod 411 and the connecting column 410, and the anchor chain 3 is located in the connecting cavity 413. The connecting columns 410 are arranged on the lower bottom surface of the bridge plate 40 at intervals for supporting and fixing the abutment 4. The retaining rod 411 is hinged to one of the connecting columns 410 for restricting the position of the anchor chain 3 to prevent the anchor chain 3 from disengaging from the connecting cavity 413. The limiting block 412 is arranged on the other connecting column 410 and corresponds to the position of the retaining rod 411 for fixing the position of the retaining rod 411 to ensure the stability of the connecting cavity 413. Through the cooperation of the connecting column 410, the retaining rod 411 and the limiting block 412, the connecting member 41 forms a stable connecting cavity 413 to ensure the reliable connection between the abutment 4 and the anchor chain 3.

[0033] As Figure 7 shown, the positioning pile 5 includes a main pile body 50, a tapered pile 51 which is arranged at the lower end of the main pile body 50 and connected to the main pile body 50 as an integral structure, and a vibrator 52 which is arranged at the upper end of the main pile body 50. The main pile body 50 and the tapered pile 51 pass through the anchor chain 3 and are inserted into the riverbed. The positioning pile 5 includes a main pile body 50, a tapered pile 51 which is arranged at the lower end of the main pile body 50 and connected to the main pile body 50 as an integral structure, and a vibrator 52 which is arranged at the upper end of the main pile body 50. The main pile body 50 and the tapered pile 51 pass through the anchor chain 3 and are inserted into the riverbed. The tapered pile 51 is arranged at the lower end of the main pile body 50 and connected to the main pile body 50 as an integral structure. The design of the tapered pile 51 can reduce the resistance when inserting into the riverbed and improve the insertion efficiency of the positioning pile 5. The vibrator 52 is used to generate high-frequency vibration to reduce the frictional resistance between the main pile body 50 and the riverbed soil and improve the insertion efficiency of the positioning pile 5. Through high-frequency vibration, the vibrator 52 reduces the soil disturbance when the positioning pile 5 is inserted into the riverbed, ensuring that the positioning pile 5 can be quickly and stably inserted into the deep layer of the riverbed, thereby improving the construction efficiency.

[0034] A method for quickly plugging a breach in a dike uses the above-mentioned quick plugging system for construction operations, including the following steps:

[0035] S1: Wrap and protect the end of the breach in the dike with steel sheet piles 1;

[0036] S2: Subsequently, drive a plurality of fixing piles 2 into the dikes on both sides of the breach as the installation foundation of the anchor chain 3, and install one end of the anchor chain 3 on the fixing piles 2;

[0037] S3: Move the other end of the anchor chain 3 to the embankment on the other side and install it on the fixed pile 2 to form a chain spanning the gap. The movement of the anchor chain 3 can be carried out by using a helicopter or an industrial drone to span the break gap with the other end of the anchor chain 3 and install it on the fixed pile 2.

[0038] S4: After the installation of the anchor chain 3 is completed, the abutment 4 is successively installed on the anchor chain 3 by workers.

[0039] S5: When the installation of the abutment 4 is completed, use an industrial drone to lift the positioning pile 5 with the vibrator 52 and move it to the construction area. After the worker aligns the positioning pile 5 with the anchor chain 3, insert the positioning pile 5 vertically into the anchor chain 3. The worker cooperates with the operation of the industrial drone to align the positioning pile 5 with the loop position of the anchor chain 3 one by one and ensure that the iron pile is vertically aligned with the riverbed.

[0040] S6: When the bottom end of the positioning pile 5 touches the river bottom, the worker starts the vibrator 52 to drive the positioning pile 5 into the riverbed.

[0041] S7: Repeat the above steps S2 to S6 until the positioning piles 5 are evenly inserted into the riverbed. And in this process, the insertion depth and installation density of each positioning pile 5 are adjusted according to parameters such as the riverbed soil quality, water depth, and flow velocity.

[0042] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A system for rapidly filling a breached dam, characterized in that: The invention comprises a steel sheet pile (1), a plurality of fixed piles (2) arranged on the embankments on both sides of the breach, a plurality of anchor chains (3) connected to the embankments on both sides and spanning the breach, an abutment (4) overlapped between adjacent anchor chains (3), and a positioning pile (5) penetrating the anchor chains (3) and plugged into the riverbed, wherein the steel sheet pile (1) is used to wrap around the end of the breach.

2. The dam breach quick plugging system according to claim 1 is characterized in that: The abutment (4) comprises a bridge deck (40), connecting pieces (41) arranged at the four corners of the lower bottom surface of the bridge deck (40), and enclosures (42) arranged on both sides of the upper end of the bridge deck (40), and the connecting pieces (41) are cooperatively connected to the anchor chain (3).

3. The dam breach quick plugging system according to claim 2 is characterized in that: The connecting member (41) comprises two connecting columns (410) arranged on the lower bottom surface of the bridge deck (40) and arranged at intervals, a stopper rod (411) hinged on one of the connecting columns (410), and a limit block (412) arranged on the other connecting column (410) and corresponding to the position of the stopper rod (411); the end of the connecting column (410) away from the hinge point is overlapped on the limit block (412); the abutment (4), the stopper rod (411) and the connecting column (410) enclose a connecting cavity (413), and the anchor chain (3) is located in the connecting cavity (413).

4. The dam breach quick plugging system according to claim 1 is characterized in that: The positioning pile (5) comprises a main pile body (50), a conical pile (51) arranged at the lower end of the main pile body (50) and connected to the main pile body (50) to form an integrated structure, and a vibrator (52) arranged at the upper end of the main pile body (50); the main pile body (50) and the conical pile (51) pass through the anchor chain (3) and are inserted into the riverbed.

5. The dam breach quick plugging system according to claim 1 is characterized in that: The steel sheet pile (1) is a U-shaped structure.

6. The dam breach quick plugging system according to claim 1 is characterized in that: The length of the positioning pile (5) is 10m-30m.

7. The dam breach quick plugging system according to claim 1 is characterized in that: The diameter of the positioning pile (5) is 80mm-90mm, and the wall thickness is 15mm-20mm.

8. A method for quickly filling a breached dam, characterized in that: The rapid plugging system according to any one of claims 1 to 7 is used for construction work, comprising the following steps: S1: The end of the breach is protected by using steel sheet piles (1); S2: Subsequently, a plurality of fixed piles (2) are driven into the embankment on both sides of the breach as a base for installing the anchor chain (3), and one end of the anchor chain (3) is installed on the fixed piles (2); S3: Move the other end of the anchor chain (3) to the bank on the other side and install it on the fixed pile (2) to form a chain spanning the gap; S4: After the anchor chain (3) is installed, workers install the abutments (4) on the anchor chain (3) in sequence; S5: After the abutment (4) is installed, the positioning pile (5) with the vibrator (52) is hoisted and moved to the construction area. After the worker aligns the positioning pile (5) with the anchor chain (3), the positioning pile (5) is vertically inserted into the anchor chain (3); S6: When the bottom end of the positioning pile (5) touches the riverbed, the worker starts the vibrator (52) to drive the positioning pile (5) into the riverbed; S7: Repeat the above steps S2 to S6 until the positioning piles (5) are evenly inserted into the riverbed.

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