CN109881625B - Self-stability flood prevention structure and rapid construction method thereof - Google Patents
Self-stability flood prevention structure and rapid construction method thereof Download PDFInfo
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- CN109881625B CN109881625B CN201910227378.8A CN201910227378A CN109881625B CN 109881625 B CN109881625 B CN 109881625B CN 201910227378 A CN201910227378 A CN 201910227378A CN 109881625 B CN109881625 B CN 109881625B
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Abstract
The invention provides a self-stability flood prevention structure and a quick construction method thereof, wherein the self-stability flood prevention structure comprises a water supply system and a spliced water bag assembly connected with the water supply system, the spliced water bag assembly comprises at least two water bag pipes, the periphery and the end surface of each water bag pipe are respectively provided with a periphery connecting unit and an end surface connecting unit, the at least two water bag pipes are respectively spliced by the periphery connecting unit and the end surface connecting unit in a row and connected in series to form a closed or linear non-closed self-stability flood prevention structure, the water bag pipes are provided with water inlets communicated with the water supply system, one ends far away from the water inlets are provided with air vents, and the air vents are controlled to be opened and closed by water bag pipe air vent valves. The invention can increase the effective flood control height of the dam or reduce the hydraulic power ratio drop of the dike foundation, and obviously improve the emergency efficiency of dangerous situations such as dike piping and overtopping and dike breaking.
Description
Technical Field
The invention relates to the field of flood control and disaster reduction dyke engineering, in particular to a self-stable flood control structure and a quick construction method thereof.
Background
The flood disaster problem of China is prominent, and the flood control and disaster reduction relationship is that people are life and property safe, and the society is stable and sustainable. The embankment engineering is an important foundation of a flood control system in China and is an important barrier for resisting flood disasters. Due to the influence of a plurality of factors such as uneven dike body, complex dike foundation structure, river scouring, human and animal and plant activities, extreme weather conditions and the like, the dike is frequently dangerous, and once a disaster is caused, the great loss is brought to the life and financial affairs of people along the dike.
Piping and overtopping breakwater are one of four major dangerous cases of dikes in China. The piping dangerous situation refers to the phenomenon that soil particles in the embankment base are carried away by seepage when the hydraulic ratio of underground water in the embankment base is reduced to the destruction ratio thereof under the condition that the water level of rivers is gradually increased in the flood season. The occurrence and the expansion of piping dangerous cases can be controlled by reducing the underground water head in the embankment foundation or providing a higher water head at the piping port for back pressure so as to reduce the hydraulic ratio drop. The top-overflowing breakwater dangerous case is a major dangerous case that when the flood level exceeds the standard, the water level overflows to the top surface of the dike, flows down the slope and washes the soil body of the dike, and the dike breaks and the like. The flood control elevation of the dike can be improved by adopting modes of temporary damming and the like before the flood level reaches the top surface of the dike, and the occurrence of dangerous situations can be controlled.
At present, the traditional sand and soil surrounding well and sand and soil wall are mainly adopted for emergency treatment of the dike piping and overtopping and bank breaking dangerous situations. Generally, the method has the defects of long time consumption, large number of required personnel, inconvenient material taking and the like, so that the emergency efficiency is in a lower level for a long time. The adoption of the rapid assembly type emergency equipment is an important direction for improving the emergency efficiency of the dike in case of dangerous situations. Although the assembled flood control wall and the surrounding well which are proposed at present have certain improvement on the emergency efficiency, the adopted materials are all made of steel, and have the characteristics of high manufacturing cost, heavy weight, inconvenience and the like, so that the problems of difficult storage of assembled emergency equipment, high emergency economic cost, unobvious emergency efficiency and the like are caused, and the assembled flood control wall and the surrounding well are difficult to popularize and apply comprehensively at home.
Disclosure of Invention
Aiming at the technical defects in the conventional dike emergency rescue, the invention provides a self-stable flood control structure and a rapid construction method thereof, equipment assembly can be rapidly completed in an assembly mode, a linear or closed annular water bag pipe assembly body with a certain height is formed, the effective dike flood control height is increased or the hydraulic power ratio drop of a dike foundation is reduced, and the emergency rescue efficiency of dangerous situations such as dike piping and overtopping and dike breaking is obviously improved.
The utility model provides a self-stability flood prevention structure, including water supply system, with the concatenation formula water bag subassembly that water supply system connects, concatenation formula water bag subassembly includes two at least water bag pipes, and the body and the terminal surface of water bag pipe are equipped with body coupling unit and terminal surface coupling unit respectively, and two at least water bag pipes realize respectively through body coupling unit and terminal surface coupling unit that the body lateral wall allies oneself with arranges the concatenation and form closed or line non-closed self-stability flood prevention structure with the terminal surface concatenates, and the water bag pipe is equipped with the water inlet with water supply system intercommunication, and the one end of keeping away from the water bag is equipped with the gas vent, and the gas vent passes through the control of water bag exhaust valve switching.
Furthermore, the water bag pipe is uniformly distributed with whole body connecting units for connecting and fixing the water bag pipes in parallel or in a superposed mode, the water bag pipe comprises a waterproof belt and a waterproof zipper arranged on the waterproof belt, the section of the waterproof belt along the diameter direction of the water bag pipe is in a shape of '⊥', the lower end of the waterproof belt is fixed on the outer wall of the water bag pipe, the upper end of the waterproof belt is used for fixing a connecting section between the water bag pipes, and the tail end of the connecting section is provided with the waterproof zipper.
Furthermore, the end face connecting unit arranged on the end face of the water bag pipe comprises a waterproof belt and a waterproof zipper with the same diameter as the waterproof belt, the waterproof belt is fixed to the edge of an opening of the end face of the water bag pipe, the two end faces of the water bag pipe to be connected are both provided with openings, and after the waterproof belt at the end face is connected, the zipper head is used for drawing the butted waterproof zipper together to realize the serial connection of the two water bag pipes.
Further, the tensile strength of the waterproof belt and the waterproof zipper thereof is not less than 9.8 kN/m.
Furthermore, when the self-stability flood prevention structures are assembled into linear non-closed type self-stability flood prevention structures, if the length of the assembled water bag pipes is less than 30m, water bag pipes with valves are adopted at the front sections and the tail ends of each layer and each row and are used for water supply and air exhaust respectively, and water bag pipes without valves are adopted at other positions; if the total length of the assembled water bag pipe exceeds 30m, the water bag pipe with the valve is adopted for water supply at the front end and the tail end, and the water bag pipe with the valve is adopted for air exhaust in the middle.
Further, when the assembled closed type annular self-stability flood prevention structure is assembled, if the diameter of the assembled self-stability flood prevention structure is smaller than 10m, each drainage bag pipe of each layer only needs one group of water bag pipes with valves, the water bag pipes are respectively used for water supply and air exhaust, and the positions of the drainage bag pipes and the water bag pipes on the annular structure are arranged according to the principle of the farthest; if the diameter of the assembled self-stability flood prevention structure is larger than 10m, each drainage bag pipe assembly of each layer needs two groups of water bag pipes with valves, the water bag pipes are used for water supply and air exhaust respectively, and the water bag pipes are arranged at equal intervals.
Furthermore, the water bag pipe is of a bag-shaped structure made of polyester base cloth materials, and is of a cylindrical structure after being sealed and filled with water.
A quick construction method for a self-stable flood prevention structure takes a piping opening of a dyke piping dangerous case as a center, and quickly completes the assembly of the self-stable flood prevention structure, namely, at least two water bag pipes are respectively spliced in a row on the side wall of the periphery and connected in series on the end surface by utilizing a periphery connecting unit and an end surface connecting unit arranged on the periphery and the end surface of the water bag pipe to form a closed or linear non-closed self-stable flood prevention structure, and the assembled self-stable flood prevention structure is connected with a water supply system to realize layered water supply.
The water bag pipe is of a bag-shaped structure made of polyester base cloth materials and is of a cylindrical structure after being filled with water, the whole body of the water bag pipe is uniformly provided with whole body connecting units which are used for connecting and fixing the water bag pipes in parallel or in a superposed mode, each water bag pipe comprises a waterproof belt and a waterproof zipper arranged on the waterproof belt, the cross section of each waterproof belt along the diameter direction of the water bag pipe is in an ⊥ shape, the lower end of each waterproof belt is fixed to the outer wall of the water bag pipe, the upper end of each waterproof belt is a connecting section for fixing the water bag pipes, the tail end of each connecting section is provided with the waterproof zipper, each end face connecting unit arranged on the end face of each water bag pipe comprises the waterproof belt and the waterproof zipper with the same diameter as the waterproof belt, the waterproof belt is fixed to the edge of the end face opening of the water bag pipe, the two end faces of the water bag pipes to be connected are both provided with openings, and the.
Further, water supply system includes portable power generation facility, immersible pump, raceway, portable power generation facility is connected with the immersible pump, the immersible pump passes through raceway and concatenation formula water bag subassembly intercommunication, and the self stability flood prevention structures that will assemble are connected water supply system and are realized the layering and supply water, specifically do: and opening exhaust valves of all the water bag pipes, starting to supply water from the first layer, opening corresponding water supply pipe valves, then starting the portable power generation device and the submersible pump, closing the exhaust valves and the water supply pipe valves of the first layer after the water bag pipes of the first layer are completely filled, starting to supply water and exhaust the next layer, and closing all the exhaust valves, the water supply pipe valves, the submersible pump and the portable power generation device until all the water bag pipes are filled with water.
The invention adopts the concepts of treating water by water, using local materials and the like, and forms a closed self-stable flood prevention structure with a certain height, namely a water bag surrounding well, by a method of quickly splicing water bag pipes, and is used for piping dangerous case emergency rescue; and an unclosed and linear self-stable flood control structure with a certain height, namely a water bag flood control wall, can be formed and is used for flood control and bank breaking dangerous case rescue. Compared with the prior method, the method has the following advantages:
1. the water bag tube structure is cylindrical, the assembled structure body does not generate shearing force and has strong self-stability, and the structural bodies and the assembled body in other shapes easily generate shearing force and have poor integral stability;
2. the self-adaptability is good. The material adopted by the invention has good flexibility, has good self-adaptability to irregular ground, ensures that the contact surfaces are in close contact, and has good anti-seepage performance;
3. local materials are used, and the environmental influence is small. The invention adopts the advanced idea of treating water with water, and the emergency materials are flood which has large volume during flood period and can be taken anywhere without any influence on the safety of the embankment body and the ecological environment;
4. the emergency economic total cost is lower. Compared with the assembled cofferdam and flood control wall, the cost of the invention is obviously lower, and compared with the traditional sand bag cofferdam or embankment, although the price of the water bag pipe is obviously higher than that of the woven bag, the sand needs to be collected, bagged and transported to a dangerous case from a place far away from the embankment body, and the consumed labor cost is also higher;
5. the emergency efficiency is high. The piping dangerous case emergency rescue is taken as an example for explanation, the conventional sand-soil bag filling is adopted to fill a surrounding well with the diameter of 10m and the height of 1.5m, the number of workers generally exceeds 30, and the time consumption is more than 4 hours. Compared with the assembled surrounding well, the weight is large, more than 6 persons and small-sized mechanical equipment are required to carry and assemble, and the operation can be completed within more than 2 hours;
6. long service life and high utilization rate. The service life of the equipment adopted by the invention is generally as long as more than 10 years, and the repeated utilization rate is high;
7. the operation is simple, and the popularization is easy. The invention has extremely simple installation and maintenance operation, can be operated by general workers after simple training, and is easy to popularize and apply in the whole country;
8. easy to store. The water bag pipe adopted by the invention can be rolled up when not being filled with water, has small occupied space and lower requirement on storage environment, and is convenient to store.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of the self-stabilizing flood prevention structure;
FIG. 2 is a schematic structural diagram of another embodiment of the self-stabilizing flood prevention structure;
FIG. 3 is an enlarged view of portion A of FIG. 1;
fig. 4(a) is a schematic structural view of a water bag tube according to the present invention, fig. 4(b) is a schematic view of two water bag tubes after being assembled, and fig. 4(c) is a schematic view of a plurality of water bag tubes after being assembled;
FIG. 5(a) is a schematic cross-sectional view of the inlet end of the water bag tube of FIG. 4(a), FIG. 5(b) is a schematic cross-sectional view of the inlet end of the water bag tube of FIG. 4(b), and FIG. 5(c) is a schematic cross-sectional view of the inlet end of the water bag tube of FIG. 4 (c);
FIG. 6 is an enlarged view of the peripheral connecting unit B of FIG. 5 (a);
FIG. 7 is an enlarged view of a portion C in FIG. 5 (b);
FIG. 8 is a schematic view showing a connection structure of the water bag tube according to the present invention along the length direction;
fig. 9 is an enlarged view of a portion D of the connection unit in fig. 8.
In the figure: 1-portable power generation device, 2-submersible pump, 3-water pipe, 4-flow control valve, 5-water bag pipe water inlet control valve, 6-water bag pipe, 7-end face connection unit, 8-water bag pipe exhaust valve, 9-waterproof belt, 10-waterproof zipper, and B-whole body connection unit.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1-9, the present invention provides a self-stable flood control structure, which is mainly used for piping of levee and emergency rescue of flood bank breaking. The scheme provides a drawing of the main facilities and is illustrated.
The self-stable flood prevention structure has two types of assembly forms of line characters and ring shapes, namely the water bag pipe assembly shown in figure 1 is in an unsealed line shape, and the water bag pipe assembly shown in figure 2 is in a closed ring shape.
The self-stability flood prevention structure comprises a water supply system and a spliced water bag assembly connected with the water supply system, wherein the water supply system comprises a portable power generation device 1, a submersible pump 2, a water delivery pipe 3, a flow control valve 4 and a water bag pipe water inlet control valve 5, the spliced water bag assembly comprises at least two water bag pipes 6, a water bag pipe exhaust valve 8 can be arranged on each water bag pipe 6, the at least two water bag pipes 6 are spliced through a peripheral connecting unit B or an end face connecting unit 7, the specific splicing mode is that peripheral side walls are spliced in a row or end faces are connected in series, the splicing mode can be linear or annular, different combination modes are selected according to the characteristics of the dangerous situation of the levee, self-stability flood prevention structures in different forms can be quickly spliced, and the flood prevention and rescue requirements are met. The portable power generation device 1 is connected with a submersible pump 2, the submersible pump 2 is communicated with a spliced water bag assembly through a water conveying pipe 3, and a flow control valve 4 and a water bag pipe water inlet control valve 5 are arranged on the water conveying pipe 3.
The portable power generation device 1 is connected with the submersible pump 2 and used for providing power for the submersible pump 2, extracting sufficient water through the submersible pump 2, conveying the water to the water bag pipe 6 through the water conveying pipe 3, and controlling water inflow of different water bag pipes 6 by utilizing the flow control valve 4 on the water conveying pipe 3. The number of the flow control valves 4 is properly increased according to the scale of the water bag pipe 6 and the water delivery capacity of the submersible pump 2. The water bag pipes 6 are connected to a desired length by a connection unit. Before the water bag pipe 6 is filled with water, the water bag pipe exhaust valve 8 is opened for exhausting air formed by water supply in the water bag pipe, and after all the water bag pipe 6 is filled with water, the water bag pipe inlet control valve 5 and the water bag pipe exhaust valve 8 are closed.
The water supply capacity of the submersible pump 2 is not less than 40m3The lift is not less than 20m, and flood or muddy water with higher silt content can be extracted. The diameter of the water delivery pipe 3 is 200mm, and the material is terylene base cloth material. The tail end of the water pipe 3 is provided with a three-way flow dividing device, each branch channel is connected with a water bag pipe 6 with a water supply valve, and each branch channel is provided with a switch valve which is opened when water is needed and closed when water is not needed. The portable power generation device 1 can meet the emergency rescue requirement of the dike remote area, and the power of the generator is not lower than 10 kw.
The water bag pipe 6 can be made into a bag-shaped structure by polyester base cloth materials, and is of a cylindrical structure after being filled with water, the diameter of the water bag pipe is 800mm, the thickness of the water bag pipe is 0.5mm, and the flexibility of the materials is good. The length of the single water bag pipe 6 is 2000mm, and the compression resistance is not lower than 29.4 kN. The water bag pipe 6 is divided into two types, namely a valve and a non-valve, and the diameter of the valve is 10 cm. The water bag pipe with the valve is used for water inlet or air exhaust, and the valve is arranged at the highest position of the water bag pipe; the water bag pipe without the valve is used for prolonging the length of the water bag pipe so as to meet the flood prevention requirement. The water bag pipe with the exhaust valve is arranged at the position farthest away from the water bag pipe with the water inlet valve so as to improve the water filling efficiency and the exhaust efficiency.
The water bag pipe 6 is provided with a peripheral connecting unit B on the periphery, the peripheral connecting unit B is uniformly distributed at 6 positions on the periphery of the water bag pipe 6 and is used for connecting and fixing parallel or superposed water bag pipes, one embodiment of the peripheral connecting unit B comprises a waterproof belt 9 and a waterproof zipper 10 arranged on the waterproof belt 9, the waterproof belt 9 can be made of waterproof canvas, the section of the waterproof belt 9 along the diameter direction of the water bag pipe 6 is ⊥ (shown in figure 6), the lower end of the waterproof belt 9 is fixed on the water bag pipe 6 and is 5cm in width, in order to provide a stress surface for fixing the pulling force between the water bag pipes 6, the upper end of the waterproof belt is a connecting section between the fixed water bag pipes 6 and is 5cm in height, the tail end of the connecting section is provided with the waterproof zipper 10 with high strength, the section of the connecting unit along the length direction of the water bag pipe 6 is shaped like a triangle (shown in figure 8), the length is 2000mm, the end connecting units 7 arranged on the two end faces of the water bag pipe 6 are connected in series, the same diameter and 800mm, the water bag pipe 6, the opening can be constructed by using two waterproof zippers, the waterproof belt can be constructed into a circular shape according to the requirements, when the waterproof bag pipe is connected, the waterproof belt, the waterproof bag pipe 6, the waterproof belt can be constructed by using two ends of the waterproof belt, the waterproof bag pipe can be constructed by using the waterproof belt, the waterproof bag pipe can be constructed by the waterproof belt, the waterproof.
The waterproof belt 9 and the waterproof zipper 10 adopted by the connecting unit of the single water bag pipe 6 have the tensile strength of not less than 9.8 kN/m.
A plurality of water bag pipes 6 can be quickly assembled into a closed or non-closed self-stability flood control structure through connecting units. The non-closed self-stable flood control structure is in a linear shape (as shown in figure 1), and is mainly used for increasing the height of a dike and resisting the risk of flood overflowing the dike. According to the situation of the actual flood overtopping and bank breaking dangerous situation, the lengths of the water bag pipes can be prolonged through quick assembly, so that a single-row water bag pipe assembly is formed, and the single-row water bag pipe assembly can be assembled in multiple rows and multiple layers through the whole body connecting unit B of the water bag pipes (as shown in fig. 4(c) and fig. 5 (c)), so that water bag pipe assemblies with different heights are formed, namely the heights of the assembled single-layer water bag pipe, double-layer water bag pipe and three-layer water bag pipe are 800mm, 1490mm and 2180mm respectively. The water bag pipes between different rows and different layers are formed by connecting high-strength and high-waterproofness canvas and a zipper, so that the water bag pipes between different rows and different layers form a whole, have good waterproofness and can effectively resist flood of a certain height.
When the length of the assembled water bag pipe is less than 30m, the water bag pipe 6 with a valve is adopted at the front section and the tail end of each layer and each row for water supply and air exhaust, and the water bag pipe without a valve is adopted at other positions. However, when the total length of the assembled water bag pipe exceeds 30m, the water bag pipe with the valve is adopted for water supply at the front end and the tail end, and the water bag pipe with the valve is adopted for air exhaust in the middle. Every 30m of the length is increased, a group of water supply and exhaust air bag pipes are added.
The closed self-stable flood control structure is annular (as shown in figure 2), can be assembled into shapes of circle, ellipse, square and the like according to needs, and is mainly used for emergency rescue of the flood control piping dangerous situations. According to piping dangerous scale, self-stability flood prevention structures with different sizes can be quickly assembled to form a single-row water bag pipe assembly, the single-row water pipe assembly can be assembled in multiple rows and multiple layers through connecting units of the water bag pipes, and water bag pipe assemblies with different heights are formed, namely the heights of the assembled single-layer, double-layer and three-layer water bag pipes are 800mm, 1490mm and 2180mm respectively. When the diameter of the assembled self-stability flood prevention structure is smaller than 10m, each drainage bag pipe of each layer only needs one group of water bag pipes with valves, the water bag pipes are respectively used for water supply and air exhaust, and the positions of the water bag pipes and the water bag pipes on the annular structure are arranged according to the farthest principle; when the diameter of the assembled self-stability flood prevention structure is larger than 10m, each drainage bag pipe assembly of each layer needs two groups of water bag pipes with valves, the water bag pipes are used for water supply and air exhaust respectively, and the water bag pipes are arranged at equal intervals.
The method comprises the following specific construction steps: and the assembly of the self-stable flood prevention structures is quickly finished by taking the piping port of the dyke in a dangerous case as a center. After the assembled self-stability flood prevention structure is connected with a water supply system, all exhaust valves are opened, water supply is started from the first layer, corresponding water supply pipe valves are opened, then the portable power generation device 1 and the submersible pump 2 are started, after the first layer of water bag pipes 6 are completely filled, the exhaust valves and the water supply pipe valves of the first layer are closed, the next layer of water supply and exhaust is started, and after all the water bag pipes are completely filled with water, all the exhaust valves, the water supply pipe valves, the submersible pump 2 and the portable power generation device 1 are closed. Because the assembled water bag pipe assembly is of a closed annular structure, water emerging from the piping port is gathered in the water bag pipe assembly, so that the water head of the piping port is gradually increased to form water head back pressure, the hydraulic power ratio of the embankment foundation sandy soil layer is gradually reduced until the hydraulic power ratio is smaller than the critical hydraulic power ratio, the piping dangerous case stops developing, and the dangerous case is effectively controlled.
The non-closed self-stability flood control structure can be quickly assembled at a bank section with the height of the bank obviously not enough to resist flood, the risk of forming the break of the bank by overtopping the bank with the flood can be resisted by utilizing the height formed by assembling, and the water filling process is the same as that of the closed self-stability flood control structure.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A self-stability flood prevention structure is characterized by comprising a water supply system and a spliced water bag assembly connected with the water supply system, wherein the spliced water bag assembly comprises at least two water bag pipes (6), the periphery and the end face of each water bag pipe (6) are respectively provided with a periphery connecting unit (B) and an end face connecting unit (7), the periphery side wall of each water bag pipe (6) is connected in a row and the end face of each water bag pipe (6) is connected in series to form a closed or linear non-closed self-stability flood prevention structure through the periphery connecting unit (B) and the end face connecting unit (7), the water bag pipes (6) are provided with water inlets communicated with the water supply system, one ends far away from the water inlets are provided with air outlets controlled to be opened and closed through water bag pipe exhaust valves (8), the periphery connecting units (B) of the water bag pipes (6) are uniformly distributed on the periphery of the water bag pipes (6) and used for connection and fixation between the water bag pipes (6) in a parallel or overlapped mode, the waterproof belt (9) and the waterproof zipper (10) are arranged on the waterproof belt (9), the waterproof belt (9) and the waterproof belt (9) is connected with the end face of the waterproof bag pipe (6), the waterproof belt (9) and the waterproof belt (9) when the waterproof belt (9) is connected with the waterproof bag pipe (10), the waterproof bag pipe (6), the waterproof bag (9) and the waterproof bag (10), the waterproof bag pipe (10), the waterproof bag (6) are connected with the waterproof bag pipe (10), the waterproof bag end face of the waterproof bag pipe (10), the waterproof belt (9) and the waterproof bag pipe (9.
2. The self-stabilizing flood prevention structure of claim 1, wherein: when the self-stability flood prevention structure is assembled into a linear non-closed type self-stability flood prevention structure, if the length of the assembled water bag pipes is less than 30m, the water bag pipes (6) with valves are adopted at the front section and the tail end of each layer and each row and are respectively used for water supply and air exhaust, and the water bag pipes without valves are adopted at other positions; if the total length of the assembled water bag pipe exceeds 30m, the water bag pipe with the valve is adopted for water supply at the front end and the tail end, and the water bag pipe with the valve is adopted for air exhaust in the middle.
3. The self-stabilizing flood prevention structure of claim 1, wherein: when the self-stabilizing flood control structures are assembled into the closed annular self-stabilizing flood control structures, if the diameters of the assembled self-stabilizing flood control structures are smaller than 10m, each drainage bag pipe of each layer only needs one group of water bag pipes with valves, the water bag pipes are respectively used for water supply and air exhaust, and the positions of the drainage bag pipes and the water bag pipes on the annular structures are arranged according to the farthest principle; if the diameter of the assembled self-stability flood prevention structure is larger than 10m, each drainage bag pipe assembly of each layer needs two groups of water bag pipes with valves, the water bag pipes are used for water supply and air exhaust respectively, and the water bag pipes are arranged at equal intervals.
4. The self-stabilizing flood prevention structure of claim 1, wherein: the water bag pipe (6) is of a bag-shaped structure made of polyester base cloth materials and is of a cylindrical structure after being sealed and filled with water.
5. A quick construction method of a self-stability flood prevention structure is characterized in that a piping opening of a levee piping dangerous case is used as a center, assembling of the self-stability flood prevention structure is quickly completed, namely, at least two water bag pipes (6) are respectively spliced in a row mode on the side wall of the periphery and connected in series on the end face to form a closed or linear non-closed self-stability flood prevention structure by using a periphery connecting unit (B) and an end face connecting unit (7) which are arranged on the periphery and the end face of each water bag pipe (6), the assembled self-stability flood prevention structure is connected with a water supply system to realize layered water supply, the water bag pipes (6) are made of polyester base cloth materials to form a bag-shaped structure and are of a cylindrical structure after being filled with water, the periphery connecting units (B) are uniformly distributed on the periphery of the water bag pipes (6) and used for connection and fixation between the parallel or superposed water bag pipes (6), the waterproof belt (9) and a waterproof zipper (10) arranged on the waterproof belt (9) are used, the waterproof belt (9) and the waterproof belt (9) is connected with the waterproof belt (9) and the waterproof belt (9), the waterproof belt (9) and the zipper (10) is used for fixing the waterproof bag pipe (9), the waterproof belt (9) when the waterproof belt (9) is connected with the waterproof pipe (9), the waterproof bag, the waterproof belt (9) is connected with the waterproof bag, the waterproof bag pipe (10), the waterproof belt (10), the waterproof bag end face of the waterproof belt (6), the waterproof bag, the waterproof belt (10), the waterproof belt (9) is connected with the waterproof belt (9), the waterproof bag, the waterproof belt (9), the waterproof belt is connected with the waterproof belt (9), the waterproof belt (10), the waterproof belt (9).
6. The quick construction method of the self-stability flood prevention structure according to claim 5, characterized by comprising the following steps: the water supply system comprises a portable power generation device (1), a submersible pump (2) and a water conveying pipe (3), wherein the portable power generation device (1) is connected with the submersible pump (2), the submersible pump (2) is communicated with a spliced water bag assembly through the water conveying pipe (3), and the assembled self-stability flood prevention structures are connected with the water supply system to realize layered water supply, and specifically, the layered water supply system comprises: and opening exhaust valves of all the water bag pipes (6), starting water supply from the first layer, opening corresponding water supply pipe valves, then starting the portable power generation device (1) and the submersible pump (2), closing the exhaust valves and the water supply pipe valves of the first layer after the first layer of water bag pipes (6) are completely filled, starting the next layer of water supply and exhaust, and closing all the exhaust valves, the water supply pipe valves, the submersible pump (2) and the portable power generation device (1) until all the water bag pipes are fully filled with water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910227378.8A CN109881625B (en) | 2019-03-25 | 2019-03-25 | Self-stability flood prevention structure and rapid construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910227378.8A CN109881625B (en) | 2019-03-25 | 2019-03-25 | Self-stability flood prevention structure and rapid construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109881625A CN109881625A (en) | 2019-06-14 |
| CN109881625B true CN109881625B (en) | 2020-07-10 |
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| NO318292B1 (en) * | 2001-08-27 | 2005-02-28 | Holger Sandvik | Flood mitigation method and device |
| CN106759094B (en) * | 2015-11-23 | 2018-12-14 | 湖北华舟重工应急装备股份有限公司 | A kind of Water emergency flood control dam |
| CN106436638A (en) * | 2016-10-31 | 2017-02-22 | 顾新华 | Superposition type city anti-flood wall capable of being built fast and method |
| CN106592523A (en) * | 2017-02-04 | 2017-04-26 | 苏州多固工程设计有限公司 | Flood protection water bag and manufacturing and construction method thereof |
| CN206736847U (en) * | 2017-03-24 | 2017-12-12 | 石家庄安澜水利设备科技有限公司 | Efficient convenient Flood-control bagses |
| CN108560488A (en) * | 2018-02-11 | 2018-09-21 | 黄海涛 | A kind of flood control water bag and the flood-control wall being made from it |
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