CN113250137A

CN113250137A - Dam reinforcing structure and method

Info

Publication number: CN113250137A
Application number: CN202110595758.4A
Authority: CN
Inventors: 姚洪林; 曲兴伟; 韩栋; 王淑祎
Original assignee: Shandong Water Conservancy Group Co ltd
Current assignee: Shandong Water Conservancy Group Co ltd
Priority date: 2021-05-29
Filing date: 2021-05-29
Publication date: 2021-08-13
Anticipated expiration: 2041-05-29
Also published as: CN113250137B

Abstract

The utility model belongs to the technical field of the technique of water conservancy water and electricity and specifically relates to a reinforced structure of dykes and dams is related to, including dykes and dams body, the surface of dykes and dams body is provided with the back up coat, the upstream face evenly distributed who lies in dykes and dams body on the back up coat has the locating piece, it has the reinforcement base plate to peg graft on the locating piece, set up on the reinforcement base plate with locating piece assorted constant head tank, the downside integrated into one piece that the overlap joint groove was seted up to the upside of reinforcing base plate, was consolidated the base plate is provided with the overlap joint piece that matches with the overlap joint groove, and is adjacent the reinforcement base plate is in the same place through overlap joint groove and overlap joint piece overlap joint each other. The reinforced base plate is characterized in that a convex block is fixedly arranged on the lapping block, a groove is formed in the lapping groove on the reinforced base plate, and the convex block can be inserted into the groove when the lapping block is lapped in the lapping groove. This application has the convenience and consolidates prosthetic effect to dykes and dams.

Description

Dam reinforcing structure and method

Technical Field

The application relates to the technical field of water conservancy and hydropower, in particular to a dam reinforcing structure and a dam reinforcing method.

Background

Dikes are a generic term for dikes and dams, also broadly referring to water-resistant and water-retaining buildings and structures, used to prevent water damage. In the course of continuous water flow impact of the dam, the surface is damaged to some extent, which in turn leads to a reduction in structural strength and impact resistance. In order to maintain the normal use of the dike, reinforcement repair of the dike is required. Therefore, how to simply and effectively reinforce and repair the dam is a technical problem to be overcome.

Disclosure of Invention

In order to conveniently reinforce and repair the dam, the application provides a reinforcing structure and a reinforcing method for the dam.

In a first aspect, the present application provides a reinforcement structure for a dam, which adopts the following technical solution:

the utility model provides a reinforced structure of dykes and dams, includes dykes and dams body, the surface of dykes and dams body is provided with the back up coat, the upstream face evenly distributed who lies in dykes and dams body on the back up coat has the locating piece, it has the reinforcement base plate to peg graft on the locating piece, set up on the reinforcement base plate with locating piece assorted constant head tank, the downside integrated into one piece that the overlap joint groove was seted up to the upside of reinforcing base plate, the reinforcement base plate is provided with the overlap joint piece that matches with the overlap joint groove, and is adjacent the reinforcement base plate is in the same place through overlap joint groove and overlap joint piece overlap joint each other.

Through adopting above-mentioned technical scheme, the back up coat can play the effect of protection to whole dykes and dams body for dykes and dams body is difficult for receiving the destruction. The reinforcing substrate laid on the upstream face of the dam body can greatly enhance the water-flow scouring resistance of the dam body. The reinforcing base plate and the dam body are spliced together through the positioning block and the positioning groove, and the mounting and the dismounting are convenient. The adjacent reinforcing base plates are overlapped together, so that the integrity is improved, and meanwhile, the replacement of a single reinforcing base plate by workers is facilitated. When the reinforcing substrate is damaged, the staff only needs to replace the damaged reinforcing substrate alone, so that the cost of maintenance and repair is saved, and the difficulty of construction and repair is reduced.

Optionally, a bump is fixedly arranged on the lapping block, a groove is formed in the lapping groove on the reinforcing substrate, and when the lapping block is lapped in the lapping groove, the bump can be inserted into the groove.

Through adopting above-mentioned technical scheme, when adjacent reinforcement base plate overlap joint is together, the lug can be pegged graft in the recess, has promoted the compactness and the steadiness of connecting between the reinforcement base plate greatly for difficult emergence breaks away from between the adjacent reinforcement base plate, thereby has played better, more comprehensive guard action to the dykes and dams body.

Optionally, the top of dykes and dams body is provided with the ballast plate, one side integrated into one piece of ballast plate is provided with the ballast piece that matches with the lap joint groove, the ballast piece can the overlap joint in the lap joint groove.

Through adopting above-mentioned technical scheme, the briquetting on the ballast plate can the overlap joint on the reinforcement base plate to the reinforcement base plate that will be located dykes and dams body top compresses tightly on dykes and dams body, makes the reinforcement base plate when receiving the washing away of rivers, is difficult for being lifted by rivers, has promoted the compactness of being connected between reinforcement base plate and the dykes and dams body.

Optionally, a reinforcing groove is formed in the reinforcing layer, a reinforcing pile is inserted into the reinforcing groove, two sides of the reinforcing substrate are provided with abdicating grooves, the overlapping groove and the overlapping block are in different sides, and adjacent abdicating grooves in the reinforcing substrate are mutually communicated and form a through hole for the reinforcing pile to pass through.

Through adopting above-mentioned technical scheme, the reinforcing pile has played further spacing and reinforcing effect to the reinforcement base plate for be difficult for taking place between the adjacent reinforcement base plate and slide and misplace.

Optionally, a pressing block is fixedly arranged on the reinforcing pile, and a containing groove for containing the pressing block is formed in the reinforcing substrate.

Through adopting above-mentioned technical scheme, the briquetting can support on strengthening the base plate, compresses tightly the strengthening base plate on the dykes and dams body for the strengthening base plate plays better guard action to the dykes and dams body.

Optionally, the reinforcing groove is formed along a vertical direction.

Through adopting above-mentioned technical scheme, reinforcing pile and locating piece have played the not ascending limiting displacement of equidirectional to the reinforcing base plate for the reinforcing base plate is difficult for breaking away from the dykes and dams body, can with dykes and dams body between be connected inseparabler, make the reinforcing base plate replace the washing away that dykes and dams body bore rivers, play better guard action to the dykes and dams body.

Optionally, the backwater side of dyke body is provided with check guest gabion, check guest gabion is the echelonment and piles up the setting, lie in the fixed ladder platform that is provided with of the backwater surface on the back up coat, check guest gabion supports on ladder platform.

Through adopting above-mentioned technical scheme, the gabion that sets up in the side of being shaded from the river can play the reinforced effect of support to dykes and dams body for dykes and dams body can bear stronger impact force.

Optionally, the surface of the reinforcing substrate is coated with a rubber layer.

Through adopting above-mentioned technical scheme, the rubber layer can play the effect of protection to the reinforcement base plate for the reinforcement base plate can absorb rivers and erode the vibration and the impact that bring, reduces the wearing and tearing to the reinforcement base plate, is difficult for receiving the erosion of river, has promoted the life of reinforcement base plate.

In a second aspect, the method for reinforcing a dam provided by the present application adopts the following technical scheme:

a method for reinforcing a dyke comprises the following operation steps:

step one, pouring a reinforcing layer on a dam body by using concrete, completely covering the surface of the dam body, arranging a positioning block and a reinforcing groove on the upstream surface of the reinforcing layer, and arranging a step platform on the downstream surface of the reinforcing layer;

secondly, paving reinforcing base plates on the upstream surface of the reinforcing layer from bottom to top, so that the upper and lower adjacent reinforcing base plates are mutually overlapped through the overlapping grooves and the overlapping blocks;

step three, when the reinforcing pile is inserted into the reinforcing groove, the pressing block is pressed on the reinforcing substrate;

step four, piling gabion gabions on the back water surface of the dam body;

and step five, placing the weight plate at the top end of the dam body, so that one side of the weight plate is pressed on the gabion, and the weight block at the other side of the weight plate is lapped on the lapping groove of the reinforcing base plate.

Optionally, in the first step, before the reinforcement layer is poured on the dam body, drilling and grouting are performed on the dam body.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the reinforcing layer can play the effect of protection to whole dykes and dams body for dykes and dams body is difficult for receiving the destruction. The reinforcing substrate laid on the upstream face of the dam body can greatly enhance the water-flow scouring resistance of the dam body. The reinforcing base plate and the dam body are spliced together through the positioning block and the positioning groove, and the mounting and the dismounting are convenient. The adjacent reinforcing base plates are overlapped together, so that the integrity is improved, and meanwhile, the replacement of a single reinforcing base plate by workers is facilitated. When the reinforcing substrate is damaged, the staff only needs to replace the damaged reinforcing substrate alone, so that the cost of maintenance and repair is saved, and the difficulty of construction and repair is reduced.

2. The reinforcing pile and the positioning block play a limiting role in different directions on the reinforcing base plate, so that the reinforcing base plate is not easy to break away from the dam body, and can be more tightly connected with the dam body, so that the reinforcing base plate replaces the dam body to bear the scouring of water flow, and the dam body is better protected.

Drawings

Fig. 1 is a schematic view of a mounting structure of an embodiment of the present application.

Fig. 2 is a schematic sectional view of a reinforcing substrate according to an embodiment of the present application.

Fig. 3 is a schematic view of the overall structure of the reinforcing substrate according to the embodiment of the present application.

Fig. 4 is a schematic overall structure diagram of an embodiment of the present application.

Reference numerals: 1. a dam body; 11. a reinforcement layer; 111. positioning blocks; 112. a reinforcing groove; 113. a stair step; 2. reinforcing the substrate; 21. positioning a groove; 22. a lap joint groove; 221. a groove; 23. a lapping block; 231. a bump; 24. a yielding groove; 25. a containing groove; 26. a rubber layer; 3. a weight plate; 31. a weight block; 4. reinforcing piles; 41. briquetting; 5. gabion.

Detailed Description

The technical solutions in the present application will be described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses reinforced structure of dykes and dams. Referring to fig. 1 and 2, a reinforcing structure of a dam includes a dam body 1 fixedly installed in a river, and the dam body 1 spans the river to intercept river water in the river. The whole dam body 1 is of a trapezoidal structure with a wide upper part and a narrow lower part. The fixed surface at dykes and dams body 1 is provided with the back up coat 11 that is formed by concrete placement, and back up coat 11 covers the whole surface of dykes and dams body 1 to the surface of dykes and dams body 1 has played the effect of restoration and reinforcement, has promoted dykes and dams body 1 and has resisted the ability that rivers erodeed. A plurality of positioning blocks 111 are fixedly provided on the reinforcing layer 11 at the upstream surface of the embankment body 1, and the intervals between the adjacent positioning blocks 111 are the same. The positioning block 111 extends in a direction perpendicular to the upstream surface of the reinforcing layer 11. The reinforcing substrate 2 is laid on the upstream surface of the dam body 1 on the reinforcing layer 11, and the positioning groove 21 matched with the positioning block 111 is formed in the reinforcing substrate 2, so that the reinforcing substrate 2 can be inserted into the positioning block 111, and the position of the reinforcing substrate 2 is fixed. The positioning blocks 111 correspond to the reinforcing substrate 2 one to one, so that the reinforcing substrate 2 can fully spread the upstream surface of the reinforcing layer 11.

Referring to fig. 3 and 4, a bonding groove 22 is formed on the upper side of the reinforcing substrate 2, and a bonding block 23 is integrally formed on the lower side of the reinforcing substrate 2. When the reinforcing substrates 2 are laid on the upstream surface of the reinforcing layer 11, the reinforcing substrates 2 are laid in order from the bottom up so that the joining grooves 22 on the reinforcing substrates 2 are located above the joining blocks 23, and the joining blocks 23 on the reinforcing substrate 2 laid later are joined to the joining grooves 22 on the reinforcing substrate 2 laid earlier. Wherein, the reinforcing substrate 2 at the bottom of the dam body 1 is buried in the river bed, so that the reinforcing substrate 2 is not easily lifted up when the river is washed.

The river water washes the dam body 1 mainly along the upstream face, and along the reinforcing base plate 2 laid on the upstream face of the reinforcing layer 11 from the lower to the upper direction, the reinforcing base plate 2 is mutually overlapped, the upper reinforcing base plate 2 is pressed on the lower reinforcing base plate 2, so that a stress whole is formed between the reinforcing base plates 2 arranged up and down, and the capability of resisting water flow washing is improved.

When reinforcing base plate 2 received destruction, the staff can change reinforcing base plate 2 alone, greatly reduced the cost of later maintenance. Meanwhile, the installation mode of the reinforcing base plate 2 is more convenient and faster, the construction difficulty can be greatly reduced, and the working efficiency is improved.

Referring to fig. 3, in order to further enhance the connection stability between the adjacent reinforcing substrates 2, a protrusion 231 is fixedly disposed on the joint block 23, and the protrusion 231 extends along a direction perpendicular to the surface of the reinforcing substrate 2. A groove 221 is formed in the reinforcement substrate 2 in the overlapping groove 22, the groove 221 and the overlapping groove 22 are communicated with each other, and the groove 221 is matched with the bump 231. When the overlapping block 23 is overlapped in the overlapping groove 22, the convex block 231 can be inserted into the groove 221, so that the connection between the adjacent reinforcing substrates 2 is more compact and the adjacent reinforcing substrates are not easy to be separated from each other. Meanwhile, the connection mode between the adjacent reinforcing substrates 2 is convenient for workers to install and detach, and the replacement of a single reinforcing substrate 2 is simpler and more convenient.

Further, referring to fig. 3 and 4, in order to enhance the stability of the reinforcing base plate 2 on the embankment body 1, a weight plate 3 is provided at the top end of the embankment body 1. The length of the weight plate 3 is the same as the span of the embankment body 1. A weight 31 adapted to the shape of the overlapping groove 22 is integrally formed on one side of the weight plate 3, so that the weight 31 can be overlapped in the overlapping groove 22 of the reinforcing base plate 2. The weight 31 compresses the reinforcing substrate 2 on the top of the dam body 1 onto the reinforcing layer 11, so that the reinforcing substrate 2 is not easy to lift when washed by water flow, and the firmness of the reinforcing substrate 2 on the dam body 1 is greatly improved.

Referring to fig. 1 and 3, in order to improve the firmness between the adjacent reinforcing substrates 2, a plurality of reinforcing grooves 112 are formed in the reinforcing layer 11, and the reinforcing grooves 112 are uniformly arranged along the span direction of the dam body 1. Reinforcing piles 4 are inserted into the reinforcing grooves 112. And the two sides of the reinforcing base plate 2 are provided with abdicating grooves 24 matched with the reinforcing piles 4, and the abdicating grooves 24, the lapping grooves 22 and the lapping blocks 23 are positioned on different sides. After the reinforcing base plates 2 are inserted into the positioning blocks 111, the yielding grooves 24 of the adjacent reinforcing base plates 2 are communicated with each other, so that a through hole for the reinforcing pile 4 to pass through is formed, and the reinforcing pile 4 can pass through the two yielding grooves 24 and be inserted into the reinforcing groove 112. Reinforcing pile 4 has produced spacing effect to reinforcing base plate 2 for be difficult for taking place the dislocation between the adjacent reinforcing base plate 2, further promoted the wholeness between the reinforcing base plate 2. Meanwhile, the reinforcing piles 4 can support the reinforcing base plate 2, so that the load of the reinforcing base plate 2 on the positioning blocks 111 is reduced, and the positioning blocks 111 are not prone to fracture.

Referring to fig. 1 and 3, a pressing block 41 is integrally formed at the top end of the reinforcing pile 4, an accommodating groove 25 for accommodating the pressing block 41 is formed in the reinforcing substrate 2, the accommodating groove 25 is communicated with the avoiding groove 24, and the accommodating groove 25 does not penetrate through the reinforcing substrate 2. The receiving grooves 25 of the adjacent reinforcing substrates 2 can be communicated with each other, and when the reinforcing piles 4 are inserted into the reinforcing grooves 112, the pressing block 41 can be embedded in the space formed by the two receiving grooves 25, so that the upper surface of the pressing block 41 is flush with the upper surface of the reinforcing substrate 2. The pressing block 41 presses the reinforcing substrate 2, so that the reinforcing substrate 2 and the dam body 1 can be attached to each other, and the firmness of the reinforcing substrate 2 is improved.

Referring to fig. 1 and 4, the reinforcing groove 112 is formed along the vertical direction, so that the positioning block 111 and the reinforcing piles 4 limit the reinforcing substrate 2 from different directions, and the firmness of the reinforcing substrate 2 on the dam body 1 is greatly improved. Meanwhile, the reinforcing groove 112 formed in the vertical direction facilitates installation and disassembly of the reinforcing pile 4, the reinforcing pile 4 can be lifted by using lifting equipment, and after the reinforcing pile 4 is aligned to the reinforcing groove 112, the reinforcing pile 4 is directly placed in the reinforcing groove 112.

Referring to fig. 1 and 4, a plurality of gabion gabions 5 are arranged on the backwater side of the dam body 1, the gabion gabions 5 are arranged in a stepped stacking manner along the backwater surface of the dam body 1, the dam body 1 is supported and reinforced, the stability of the whole dam body 1 is improved, and therefore the dam body 1 can bear stronger impact of water flow. Lie in the surface of a back side integrated into one piece of dyke body 1 on reinforced layer 11 and be provided with ladder platform 113 for gabion 5 supports on ladder platform 113, and ladder platform 113 is filled up the clearance between gabion 5 and dyke body 1, thereby has promoted the compactness of connecting between gabion 5 and dyke body 1 greatly.

Referring to fig. 2, the surface of the reinforcing substrate 2 is covered with a rubber layer 26, and the rubber layer 26 has certain elasticity and can deform to a certain extent. After the reinforcing base plates 2 are installed, small movements can be generated between the adjacent reinforcing base plates 2, between the reinforcing base plates 2 and the positioning blocks 111, and between the reinforcing base plates 2 and the reinforcing piles 4, so that vibration generated by continuous impact of water can be counteracted to a certain extent.

The embodiment of the application also discloses a method for reinforcing the dam, which comprises the following operation steps:

step one, drilling a hole on the dam body 1, installing a grouting pipe in the hole, and grouting into the dam body 1, thereby forming an anti-seepage curtain inside the dam body 1. Cleaning sundries on the dam body 1, binding a metal net on the grouting pipe, and then pouring a reinforcing layer 11 on the dam body 1 by using concrete, so that the surface of the dam body 1 is completely covered by the reinforcing layer 11. The metal mesh is poured in the reinforcing layer 11, and the cracking resistance of the reinforcing layer 11 is improved. The positioning block 111 and the reinforcing groove 112 are cast on the upstream surface of the reinforcing layer 11, and the step 113 is cast on the downstream surface of the reinforcing layer 11.

And step two, paving the reinforcing substrate 2 on the upstream surface of the reinforcing layer 11 along the direction from bottom to top, and inserting the positioning block 111 into the positioning groove 21 on the reinforcing substrate 2. The adjacent reinforcing substrates 2 are lapped together by the lapping blocks 23 and the lapping grooves 22 so that the upper reinforcing substrate 2 is pressed against the lower reinforcing substrate 2.

And step three, sequentially inserting the reinforcing piles 4 into the reinforcing grooves 112, so that the pressing blocks 41 are embedded in the accommodating grooves 25, and the pressing blocks 41 press the reinforcing substrate 2 on the dam body 1.

Step four, the gabion gabions 5 are piled up and placed on the back water surface of the dam body 1, so that the gabion gabions 5 are abutted against the step platforms 113.

And step five, placing the weight plate 3 on the top of the dam body 1, so that the weight 31 on one side of the weight plate 3 is lapped in the lapping groove 22 on the reinforcing base plate 2, thereby pressing the reinforcing base plate 2 on the dam body 1, and the other side of the weight plate 3 is pressed on the gabion 5.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A reinforced structure of a dam, characterized in that: including dyke body (1), the surface of dyke body (1) is provided with back up coat (11), the upstream face evenly distributed who lies in dyke body (1) on back up coat (11) has locating piece (111), it has reinforcing base plate (2) to peg graft on locating piece (111), set up on reinforcing base plate (2) with locating piece (111) assorted constant head tank (21), overlap joint groove (22) have been seted up to the upside of reinforcing base plate (2), the downside integrated into one piece of reinforcing base plate (2) is provided with overlap joint groove (22) assorted overlap joint piece (23), and is adjacent reinforcing base plate (2) are in the same place through overlap joint groove (22) and overlap joint piece (23) mutual overlap joint.

2. A reinforcement structure of embankment as claimed in claim 1, wherein: the lapping block (23) is fixedly provided with a convex block (231), a groove (221) is formed in the lapping groove (22) on the reinforcing substrate (2), and when the lapping block (23) is lapped in the lapping groove (22), the convex block (231) can be inserted into the groove (221).

3. A reinforcement structure of embankment as claimed in claim 2, wherein: the top of dykes and dams body (1) is provided with ballast plate (3), one side integrated into one piece of ballast plate (3) be provided with overlap joint groove (22) assorted ballast piece (31), ballast piece (31) can the overlap joint in overlap joint groove (22).

4. A reinforcement structure of embankment as claimed in claim 1, wherein: reinforcing grooves (112) are formed in the reinforcing layer (11), reinforcing piles (4) are inserted into the reinforcing grooves (112), abdicating grooves (24) are formed in two sides of the reinforcing base plate (2), the abdicating grooves (24) are located on different sides of the overlapping grooves (22) and the overlapping blocks (23), and the abdicating grooves (24) in the reinforcing base plate (2) are communicated with each other to form through holes for the reinforcing piles (4) to pass through.

5. The reinforcement structure of an embankment according to claim 4, wherein: the reinforcing pile (4) is fixedly provided with a pressing block (41), and the reinforcing base plate (2) is provided with a containing groove (25) for containing the pressing block (41).

6. The reinforcement structure of an embankment according to claim 4, wherein: the reinforcing groove (112) is formed along the vertical direction.

7. A reinforcement structure of embankment as claimed in claim 1, wherein: the back water side of dyke body (1) is provided with check guest gabion (5), check guest gabion (5) are the echelonment and pile up the setting, it is fixed in the surface of a water back and is provided with step platform (113) on back up coat (11), check guest gabion (5) support on step platform (113).

8. A reinforcement structure of embankment as claimed in claim 1, wherein: the surface of the reinforcing substrate (2) is covered with a rubber layer (26).

9. A method for reinforcing a dyke is characterized by comprising the following operation steps:

pouring a reinforcing layer (11) on a dam body (1) by using concrete, completely covering the surface of the dam body (1), arranging a positioning block (111) and a reinforcing groove (112) on the upstream surface of the reinforcing layer (11), and arranging a step platform (113) on the downstream surface of the reinforcing layer (11);

secondly, paving the reinforced base plates (2) on the upstream surface of the reinforced layer (11) from bottom to top, so that the reinforced base plates (2) which are adjacent up and down are mutually lapped together through the lapping grooves (22) and the lapping blocks (23);

step three, when the reinforcing pile (4) is inserted into the reinforcing groove (112), the pressing block (41) is pressed on the reinforcing substrate (2);

fourthly, piling gabion gabions (5) on the back water surface of the dam body (1);

and fifthly, placing the weight plate (3) at the top end of the dam body (1) to enable one side of the weight plate (3) to be pressed on the gabion (5), and enabling the weight block (31) on the other side of the weight plate (3) to be in lap joint with the lap joint groove (22) of the reinforcing base plate (2).

10. The method for reinforcing a bank as claimed in claim 9, wherein: in the first step, before the reinforcement layer (11) is poured on the dam body (1), drilling and grouting are carried out on the dam body (1).