CN115573302A

CN115573302A - Anti-seepage and anti-impact flood bank for hydraulic engineering and anti-seepage method thereof

Info

Publication number: CN115573302A
Application number: CN202211130969.1A
Authority: CN
Inventors: 叶琳; 秦红杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-01-06

Abstract

The invention discloses an anti-seepage and anti-impact flood bank for hydraulic engineering and an anti-seepage method thereof, and belongs to the technical field of hydraulic engineering. The utility model provides an impervious protecting against shock flood bank for hydraulic engineering, includes concrete dykes and dams and the dykes and dams that shocks resistance, still includes: the first anti-seepage layer is arranged between the concrete dam and the impact-resistant dam; the impact plate is elastically connected with the impact-resistant dam through an elastic piece; the gasbag, the setting is kept away from the one side of dykes and dams that shocks resistance in first prevention of seepage layer, and with be connected with the trachea between the impingement plate, when the dykes and dams are shocked to flood impact, at first with the impingement plate contact, on the one hand, the spring is through the effect time of the elasticity extension impact force of self, alleviate partial atress, improve the life of dykes and dams, on the other hand, the impact plate of displacement drives the pneumatic cylinder and extrudes the briquetting repeatedly, with the air transport of air intracavity to the gasbag in, the gasbag receives the gas inflation, offset second prevention of seepage layer and first prevention of seepage layer, reduce continuation infiltration of infiltration water.

Description

Anti-seepage and anti-impact flood bank for hydraulic engineering and anti-seepage method thereof

Technical Field

The invention relates to the technical field of hydraulic engineering, in particular to an anti-seepage and anti-impact flood bank for hydraulic engineering and an anti-seepage method thereof.

Background

The flood control dike is a dike built for preventing rivers from overflowing, the flood control dike appears hundreds of years ago, the flood control dike is usually a pile of soil, the soil pile is in a long strip shape and can extend for kilometers along rivers, lakes or oceans sometimes, the flood control dike can restrain flood, and river water in the flood control dike can rise but cannot flow into adjacent land.

In recent years, large dam banks are all constructed by high-tech reinforced cement, in the construction process of the dam, the dam is usually impacted by water flow for a long time, cracks are easy to generate on the dam, river water gradually permeates inwards through the cracks, the dam is easy to collapse, and an elastic plate is arranged on one surface of some existing dams close to a river and used for resisting the impact force of partial flood, but cracks generated inside a flood control bank still cause potential safety hazards.

Disclosure of Invention

The invention aims to solve the problem that in the prior art, an elastic plate is arranged on one surface of a dam close to a river and used for resisting the impact force of partial flood, but potential safety hazards can be caused by cracks generated inside a flood control dam, and provides an anti-seepage and anti-impact flood control dam for hydraulic engineering and an anti-seepage method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an impervious protecting against shock flood bank for hydraulic engineering, includes concrete dykes and dams and the dykes and dams that shocks resistance, still includes: the first anti-seepage layer is arranged between the concrete dam and the anti-impact dam and blocks partial flood when the flood impacts; the impact plate is elastically connected with the impact-resistant dam through the elastic piece, and when the flood impacts, the impact plate can approach the impact-resistant dam; the gasbag sets up in one side that the dykes and dams are kept away from to anti-shock in first prevention of seepage layer to and the impingement plate between be connected with the trachea, wherein, install the subassembly that admits air on the trachea.

In order to cushion the impact force that comes from the flood, improve the life of dykes and dams, preferably, the elastic component include with the fixed cylinder of dykes and dams fixed mounting that shocks resistance together, sliding connection has the slide bar in the fixed cylinder, the slide bar is kept away from the one end of fixed cylinder and is in the same place with impact plate fixed mounting, the cover has the spring on the slide bar, the both ends of spring respectively with fixed cylinder and impact plate fixed connection.

In order to inflate the air bag, the expanded air bag enables the first anti-permeation layer to abut against the second anti-permeation layer, and the anti-permeation performance of the dam is improved.

In order to improve the air tightness between the air pipe and the first impermeable layer, furthermore, the connecting part of the air pipe and the first impermeable layer is connected with a water stop strip, and the water stop strip is positioned at two sides of the first impermeable layer.

Because the dykes and dams of concrete material easily produce the crackle after long-time the use, flood easily permeates from the crackle, in order to dredge the flood of permeating, preferably, the concrete the gasbag is close to the one side of first prevention of seepage layer and is installed the second prevention of seepage layer, leave the space between first prevention of seepage layer and the second prevention of seepage layer.

In order to intensively recover the dredged water, furthermore, a plurality of first water guiding grooves are formed in the second anti-seepage layer, a water collecting groove is formed in the bottom of the concrete dam, and the first water guiding grooves are collected into the water collecting groove.

In order to improve the anti-seepage capability, preferably, the first anti-seepage layer comprises a rubble layer, a dolomite layer, a first concrete layer, an anti-seepage geomembrane and a second concrete layer, and steel plates are embedded in the first concrete layer and the second concrete layer; the second impermeable layer comprises an impermeable geomembrane and a mud layer.

In order to improve the aesthetic property of the dam, preferably, one surface of the impact-resistant dam close to river water is provided with a plurality of inclined steps, any one of the steps is provided with a plurality of inwardly extending placing grooves, and the placing grooves are filled with flood control soil and planted with plants.

In order to facilitate the use of pedestrians, preferably, the concrete dike and the top surface of the impact-resistant dike are jointly cast with an asphalt layer, and a second water chute for dredging flood is arranged on the asphalt layer.

An anti-seepage method of an anti-seepage impact-resistant flood bank for hydraulic engineering comprises the following operation steps:

step 1: the flood slaps the impact plate, and the impact plate relieves the pressure of part of flood impact through the elastic part;

step 2: the stone chippings, the dolomite layer, the first concrete layer, the anti-seepage geomembrane and the second concrete layer improve the anti-seepage performance of the dam, but partial flood seepage can still occur under long-time use;

and step 3: the slapped impact plate drives the inflator to slide, air is continuously injected into the air bag, the air bag is inflated to expand, the second anti-seepage layer is tightly attached to the first anti-seepage layer, and partial seepage flood enters the space between the first anti-seepage layer and the second anti-seepage layer and is collected into the water collecting tank from the first water guiding tank.

Compared with the prior art, the invention provides an anti-seepage and anti-impact flood bank for hydraulic engineering and an anti-seepage method thereof, and the anti-seepage and anti-impact flood bank has the following beneficial effects:

1. when a flood impacts an impact-resistant dam, the flood-resistant anti-impact flood bank is firstly contacted with an impact plate, on one hand, the spring prolongs the action time of the impact force through the elasticity of the spring, relieves partial stress and prolongs the service life of the dam, on the other hand, the displaced impact plate drives a gas cylinder to repeatedly extrude a gas pressing block, so that air in an air cavity is conveyed into a gas bag, the gas bag is inflated, a second impermeable layer is abutted against a first impermeable layer, and the continuous infiltration of the permeable water is reduced;

2. this kind of hydraulic engineering is with impervious protecting against shock flood dyke, the one side that strikes dykes and dams and be close to the river is provided with the step of a plurality of slopes, set up a plurality of inwardly extending's settling tank on arbitrary step, form vertically and horizontally staggered's strengthening rib between the adjacent settling tank, make the dykes and dams that shocks resistance have certain shock resistance, the settling tank intussuseption is filled with the soil for flood control and is planted there is the plant, improve the aesthetic property of dykes and dams, and all laid the dust screen on every settling tank, reduce the earth loss under the rivers impact.

Drawings

Fig. 1 is a schematic structural view of an anti-seepage and anti-impact flood bank for hydraulic engineering according to the present invention;

fig. 2 is a schematic view of the internal structure of an anti-seepage and anti-impact flood bank for hydraulic engineering according to the present invention;

fig. 3 is a schematic structural view of a portion a in fig. 2 of an anti-seepage and anti-impact flood bank for hydraulic engineering according to the present invention;

fig. 4 is a schematic structural view of a first impermeable layer of an impermeable and impact-resistant dyke for hydraulic engineering according to the present invention;

fig. 5 is a schematic structural view of a second impermeable layer of an impermeable and impact-resistant dyke for hydraulic engineering according to the present invention;

fig. 6 is a schematic view of a structure of a mounting groove of an anti-seepage and anti-impact flood bank for hydraulic engineering according to the present invention.

In the figure: 1. a concrete dam; 101. a water collection tank; 2. a shock-resistant dam; 201. a step; 202. a placing groove; 203. breaking a stone base layer; 204. a third concrete layer; 3. a first permeation prevention layer; 4. an air bag; 5. an impact plate; 6. an air tube; 7. a fixed cylinder; 8. a slide bar; 9. a spring; 10. gas pressure blocks; 11. an air cylinder; 12. an air inlet pipe; 13. a second permeation prevention layer; 1301. a first water chute; 14. a crushed stone layer; 15. a dolomite layer; 16. a first concrete layer; 17. an impermeable geomembrane; 18. a second concrete layer; 19. a steel plate; 20. a water stop bar; 21. an asphalt layer; 2101. a second water chute; 22. a lime layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-6, an anti-seepage and anti-impact flood bank for water conservancy projects comprises a trapezoidal concrete bank 1 and an anti-impact bank 2 with a slope structure, wherein the anti-impact bank 2 comprises a macadam base layer 203, a third concrete layer 204 and an anti-seepage geomembrane 17, the anti-seepage geomembrane 17 is specifically a polyethylene anti-seepage film with the thickness of 5-10 cm and is made of a milky semitransparent to opaque thermoplastic resin material-polyethylene resin, and the anti-seepage geomembrane 17 has good heat resistance and cold resistance, good chemical stability, good mechanical strength, good environmental stress cracking resistance and good tearing strength resistance; can resist corrosion such as acid, alkali, organic solvent, refer to fig. 2, the asphalt layer 21 has been pour jointly to concrete dykes and dams 1 and 2 top surfaces of dykes and dams that shocks resistance for the workman walks, offers the second guiding gutter 2101 that is used for dredging the flood on asphalt layer 21, and the height at second guiding gutter 2101 both ends is less than in the middle of, is convenient for strike the quick flood discharge of asphalt layer 21, avoids partial ponding to permeate to dykes and dams inside from asphalt layer 21. Further comprising: and the first anti-seepage layer 3 is arranged between the concrete dam 1 and the anti-impact dam 2 and used for blocking partial flood when the flood impacts.

It should be noted that the ratio of the raw materials of water, cement, sand, and stone contained in the third concrete layer 204 is 1: 1. 32: 2. 32:0.4, and the proportion coefficient ensures that the resistance capability of the anti-impact dam 2 reaches the maximum.

Referring to fig. 4, the first anti-permeation layer 3 in the present embodiment is further optimized, and further, the first anti-permeation layer 3 includes a rubble layer 14, a dolomite layer 15 with a better water resistance, a first concrete layer 16, and a first concrete layer 16, which are poured on the rubble layer 14 and the dolomite layer 15, an anti-permeation geomembrane 17 and a second concrete layer 18, and in order to increase the rigidity of the first anti-permeation layer 3, steel plates 19 are embedded in both the first concrete layer 16 and the second concrete layer 18.

It should be noted that the gravel layer 14 includes a plurality of rubbles and the clay that is added between the rubbles in the grout, and when promoting the impervious performance of rubbles, has also strengthened the overall structure intensity of gravel layer 14.

Referring to fig. 1 and 2, the impact plate 5 of rectangular structure, the impact plate 5 can be made of transparent rigid material, for example, acrylic, a plurality of water permeable holes are equidistantly formed in the impact plate 5, since plants are planted on the impact resistant dam 2, the river passing through the water permeable holes can irrigate the plant surface, the impact plate is elastically connected with the impact resistant dam 2 through an elastic member, when the flood impact is greater than a set value, the impact plate 5 can approach the impact resistant dam 2, when the flood impact is less than or equal to the set value, the impact plate 5 can not approach the impact resistant dam 2, the impact resistant force to the flood is maintained, and the flood is prevented from erosion to the impact resistant dam 2.

With reference to fig. 1, fig. 2 and fig. 3, the elastic component in this scheme is further optimized, and further, the elastic component includes a fixed cylinder 7 fixedly mounted with the anti-impact dam 2, the height of the fixed cylinder 7 is higher than that of the planted plant, even if the impact plate 5 is influenced by flood and moves to the end of the stroke, the impact cannot be applied to the plant surface, a slide rod 8 is slidably connected in the fixed cylinder 7, one end of the slide rod 8, far away from the fixed cylinder 7, is fixedly mounted with the impact plate 5, a spring 9 is sleeved on the slide rod 8, and two ends of the spring 9 are respectively fixedly connected with the fixed cylinder 7 and the impact plate 5.

When the flood impacts the anti-impact dam 2, firstly the flood contacts the impact plate 5, the spring 9 prolongs the action time of the impact force through the elasticity of the spring, relieves partial stress, and prolongs the service life of the dam.

Referring to fig. 1, 2 and 3, the air bag 4 is disposed on a side of the first permeation prevention layer 3 away from the impact-resistant embankment 2, and is connected with the air pipe 6 between the first permeation prevention layer and the impact plate 5, wherein an air inlet assembly is mounted on the air pipe 6. Referring to fig. 3, the air intake assembly includes an air pressure block 10 fixedly mounted on the end of the air pipe 6, the air pressure block 10 is fixedly mounted on the impact resistant dam 2, the air pressure block 10 is connected with an air cylinder 11 in a sliding manner, an air cavity is reserved between the air cylinder 11 and the air pressure block 10, the air cylinder 11 is fixedly mounted on the impact plate 5, the air cylinder 11 is connected with an air inlet pipe 12, and adjacent air pipes 12 are connected in series to prevent the air inlet pipe 12 at the bottom from sucking river water.

Referring to fig. 5, further, a second impermeable layer 13 is installed on one side of the air bag 4 close to the first impermeable layer 3, the second impermeable layer 13 includes an impermeable geomembrane 17 and a mud-ash layer 22, mud in the mud-ash layer 22 and silicide in silicified limestone have good water resistance and extremely low solubility in water, the second impermeable layer 13 is protected to greatly reduce erosion of permeable water, increase moisture resistance, wind resistance and heat insulation capabilities, and improve durability of the dam, so that the dam has good impermeability, thereby further improving impermeability effect of the dam, when the displaced impact plate 5 drives the air cylinder 11 to repeatedly extrude the air pressing block 10, air in the air cavity is conveyed into the air bag 4, the air bag 4 is inflated, the second impermeable layer 13 is abutted against the first impermeable layer 3, so as to reduce continuous infiltration of the permeable water, and a gap is reserved between the first impermeable layer 3 and the second impermeable layer 13, so that flood which has permeated the first impermeable layer 3 can be discharged.

It should be noted that the air pipe 6 is provided with a one-way valve to allow the air in the air chamber to be discharged only to the air bag 4, and the air pipe 12 is also provided with a one-way valve to allow the external air to be sucked into the air chamber only and not to be discharged reversely.

Referring to fig. 3, further, a water stop strip 20 is connected to the connection portion of the air tube 6 and the first permeation prevention layer 3, and the water stop strip 20 is located at two sides of the first permeation prevention layer 3. The water stop strip 20 is used for sealing the joint of the air pipe 6 and the first anti-seepage layer 3, and the anti-seepage performance of the first anti-seepage layer 3 is prevented from being influenced.

Referring to fig. 5, in a further step, a plurality of first water guide grooves 1301 are formed in the second impermeable layer 13, a water collection groove 101 is formed in the bottom of the concrete dam 1, the plurality of first water guide grooves 1301 are collected into the water collection groove 101, a drain pipe is connected in the water collection groove 101, one end of the drain pipe, which is far away from the water collection groove 101, penetrates through the bottom of the concrete dam 1, and a check valve is installed in the drain pipe, so that the collected permeable water can only be discharged from the water collection groove 101.

Example 2:

referring to fig. 1, 2 and 6, basically the same as embodiment 1, further, one side of the impact-resistant dam 2 close to river water is provided with a plurality of inclined steps 201, any step 201 is provided with a plurality of inwardly extending placing grooves 202, criss-cross reinforcing ribs are formed between adjacent placing grooves 202, so that the impact-resistant dam 2 has a certain impact resistance, the placing grooves 202 are filled with flood-proof soil and planted with plants, and each placing groove 202 is paved with a dust-proof net, so as to reduce soil loss under water flow impact.

step 1: the flood slaps the impact plate 5, and the impact plate 5 relieves partial pressure of flood impact through an elastic part;

and 2, step: the rubble layer 14, the dolomite layer 15, the first concrete layer 16, the impermeable geomembrane 17 and the second concrete layer 18 improve the impermeability of the dam, but partial flood permeation can still occur after long-term use;

and step 3: the flapped impact plate 5 drives the air cylinder 11 to slide, air is continuously injected into the air bag 4, the air bag 4 is inflated to expand, the second anti-seepage layer 13 is tightly attached to the first anti-seepage layer 3, and partial seepage flood enters between the first anti-seepage layer 3 and the second anti-seepage layer 13 and is collected into the water collecting tank 101 from the first water guiding trough 1301.

Here, the above-mentioned impermeability method is further summarized:

when flood impacts the anti-impact dam 2, the impact plate 5 is contacted with the flood, the spring 9 prolongs the action time of impact force through the elasticity of the spring, partial stress is relieved, the service life of the dam is prolonged, the impact plate 5 which is displaced drives the air cylinder 11 to repeatedly extrude the air pressing block 10, air in the air cavity is conveyed into the air bag 4, the air bag 4 is inflated by air, the second anti-seepage layer 13 is abutted against the first anti-seepage layer 3, the continuous infiltration of seepage water is reduced, the connecting part of the air pipe 6 and the first anti-seepage layer 3 is connected with the water stopping strip 20, and the water stopping strip 20 is positioned on two sides of the first anti-seepage layer 3. The water stop strip 20 is used for closing the joint of the air pipe 6 and the first anti-seepage layer 3 to prevent the anti-seepage performance of the first anti-seepage layer 3 from being affected, the seepage water is collected into the water collection tank 101 along the first water guide groove 1301, a water discharge pipe is connected in the water collection tank 101, one end of the water discharge pipe, which is far away from the water collection tank 101, penetrates through the bottom of the concrete dam 1, and a one-way valve is arranged in the water discharge pipe to ensure that the collected seepage water can only be discharged outwards from the water collection tank 101;

the one side that dykes and dams 2 are close to the river that shocks resistance is provided with the step 201 of a plurality of slopes, sets up a plurality of inwardly extending's settling tanks 202 on arbitrary step 201, forms vertically and horizontally staggered's strengthening rib between the adjacent settling tanks 202, makes dykes and dams 2 that shocks resistance have certain shock resistance, and the settling tanks 202 intussuseption is filled with flood control soil and is planted and have the plant to all having laid the dust screen on every settling tank 202, reducing the earth loss under the rivers impact.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an anti-permeability protecting against shock flood control dyke for hydraulic engineering, includes concrete dykes and dams (1) and dykes and dams (2) of shocking resistance, its characterized in that still includes:

the first anti-seepage layer (3) is arranged between the concrete dam (1) and the anti-impact dam (2) and blocks partial flood when the flood impacts;

the impact plate (5) is elastically connected with the impact-resistant dam (2) through an elastic piece, and when flood impacts, the impact plate (5) can approach the impact-resistant dam (2);

the air bag (4) is arranged on one side of the first anti-seepage layer (3) far away from the anti-impact dam (2), an air pipe (6) is connected between the air bag and the impact plate (5),

wherein, an air inlet component is arranged on the air pipe (6).

2. The water conservancy project is with impervious protecting against shock flood bank according to claim 1, characterized in that, the elastic component includes the solid fixed cylinder (7) with the dykes (2) that shocks resistance together fixed mounting, sliding connection has slide bar (8) in solid fixed cylinder (7), the one end that solid fixed cylinder (7) was kept away from to slide bar (8) is together with impingement plate (5) fixed mounting, the cover has spring (9) on slide bar (8), the both ends of spring (9) respectively with solid fixed cylinder (7) and impingement plate (5) fixed connection.

3. The anti-seepage and anti-impact flood bank for the water conservancy project according to claim 1, wherein the air intake assembly comprises an air pressure block (10) fixedly mounted at the end of the air pipe (6), an air cylinder (11) is slidably connected outside the air pressure block (10), the air cylinder (11) is fixedly mounted with the impact plate (5), and an air inlet pipe (12) is connected to the air cylinder (11).

4. The anti-seepage and anti-impact flood bank for the water conservancy project according to claim 3, characterized in that a water stop (20) is connected with the connecting part of the air pipe (6) and the first impermeable layer (3), and the water stop (20) is positioned at two sides of the first impermeable layer (3).

5. The anti-seepage and anti-impact flood bank for the water conservancy project according to claim 1, wherein a second anti-seepage layer (13) is arranged on one surface of the air bag (4) close to the first anti-seepage layer (3), and a gap is reserved between the first anti-seepage layer (3) and the second anti-seepage layer (13).

6. The anti-seepage and anti-impact flood bank for the water conservancy project according to claim 5, wherein a plurality of first water guiding grooves (1301) are formed in the second anti-seepage layer (13), a water collecting tank (101) is formed in the bottom of the concrete dam (1), and the first water guiding grooves (1301) are collected into the water collecting tank (101).

7. The impermeable and impact-resistant flood bank for the water conservancy project according to claim 6, wherein the first impermeable layer (3) comprises a rubble layer (14), a dolomite layer (15), a first concrete layer (16), an impermeable geomembrane (17) and a second concrete layer (18), and steel plates (19) are embedded in the first concrete layer (16) and the second concrete layer (18);

the second impermeable layer (13) comprises an impermeable geomembrane (17) and a mud layer (22).

8. The impervious impact-resistant flood bank for the water conservancy project according to claim 1, wherein one side of the impact-resistant dam (2) close to river water is provided with a plurality of inclined steps (201), any one of the steps (201) is provided with a plurality of inwardly extending accommodating grooves (202), and the accommodating grooves (202) are filled with flood control soil and planted with plants.

9. The anti-seepage and anti-impact flood control dam for the water conservancy project according to claim 1, characterized in that the concrete dam (1) and the anti-impact dam (2) are jointly cast with an asphalt layer (21) on the top surface, and a second guiding gutter (2101) for guiding flood is formed on the asphalt layer (21).

10. An anti-seepage method of an anti-seepage and anti-impact flood bank for hydraulic engineering, which adopts the anti-seepage and anti-impact flood bank for hydraulic engineering of any one of claims 1 to 9, and is characterized in that the operation steps are as follows:

step 1: the flood slaps the impact plate (5), and the impact plate (5) relieves partial pressure of flood impact through the elastic piece;

and 2, step: the stone crushing layer (14), the dolomite layer (15), the first concrete layer (16), the anti-seepage geomembrane (17) and the second concrete layer (18) improve the anti-seepage performance of the dam, but partial flood seepage can still occur under long-time use;

and 3, step 3: the flapping impact plate (5) drives the air cylinder (11) to slide, air is continuously injected into the air bag (4), the air bag (4) is inflated and expanded, the second impermeable layer (13) is tightly attached to the first impermeable layer (3), and partial permeated flood water enters between the first impermeable layer (3) and the second impermeable layer (13) and is collected into the water collecting tank (101) from the first water guiding tank (1301).