CN214783673U - Seepage-proofing structure of dam body - Google Patents
Seepage-proofing structure of dam body Download PDFInfo
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- CN214783673U CN214783673U CN202121198799.1U CN202121198799U CN214783673U CN 214783673 U CN214783673 U CN 214783673U CN 202121198799 U CN202121198799 U CN 202121198799U CN 214783673 U CN214783673 U CN 214783673U
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- 230000004224 protection Effects 0.000 claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 230000004888 barrier function Effects 0.000 claims abstract description 5
- 239000010426 asphalt Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 3
- 230000003628 erosive effect Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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Abstract
The utility model relates to an anti-seepage structure of dam body belongs to hydraulic engineering's field, and it includes the dam body, one side fixedly connected with base of dam body orientation water, fixed surface is connected with anti-seepage mechanism on the base, anti-seepage mechanism includes that fixed connection includes fixed connection in anti-seepage mechanism in the first support concrete layer of dam body orientation base one side, first support concrete layer deviates from dam body one side fixedly connected with and is used for waterproof barrier layer. The dam body erosion protection device has the effects of reducing erosion damage of water to the dam body and prolonging the service life of the dam body.
Description
Technical Field
The application relates to the field of hydraulic engineering, in particular to an anti-seepage structure of a dam body.
Background
Hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in nature to achieve the purposes of removing harmful substances and benefiting. Only when hydraulic engineering is built, water flow can be controlled, flood disasters are prevented, and water quantity is adjusted and distributed to meet the requirements of people on water resources in life and production.
In the related art, after the dam body is built, water enters the dam body along the dam body cracks, so that the dam body is damaged, and therefore the dam body needs to be subjected to seepage-proofing treatment. The curtain grouting is a grouting project for pouring grout into cracks and pores of rock mass or soil layer to form continuous waterproof curtains so as to reduce seepage flow and osmotic pressure, is always a main means of seepage-proofing treatment of the foundation of a hydraulic building, and plays an important role in ensuring the safe operation of the hydraulic building.
Aiming at the related technologies, the inventor thinks that the curtain grouting can only fill the pores in the dam body, and the water flow continuously erodes the dam body to cause the dam body to generate new cracks, thereby causing water to enter the dam body to damage the dam body.
SUMMERY OF THE UTILITY MODEL
In order to reduce erosion damage of water to a dam body and prolong the service life of the dam body, the application provides an anti-seepage structure of the dam body.
The application provides an impervious structure of dam body adopts following technical scheme:
the utility model provides an anti-seepage structure of dam body, includes the dam body, one side fixedly connected with base of dam body orientation water, fixed surface is connected with anti-seepage mechanism on the base, anti-seepage mechanism includes that fixed connection includes the first support concrete layer of fixed connection in dam body orientation base one side in anti-seepage mechanism, first support concrete layer deviates from dam body one side fixedly connected with and is used for waterproof barrier layer.
Through adopting above-mentioned technical scheme, first support concrete layer bonds the barrier layer in dam body one side towards water to block water through the barrier layer, effectively reduce the water that permeates to dam body department, and then reduce the erosion damage of water to dam body, prolong dam body's life.
Optionally, a second supporting concrete layer is fixedly connected to one side of the impermeable layer, which is far away from the first supporting concrete layer.
By adopting the technical scheme, the second supporting concrete layer plays a role in protecting the impermeable layer, and the damage to the impermeable layer caused by external sunshine and the like is reduced.
Optionally, the first supporting concrete layer and the second supporting concrete layer are integrally cast by waterproof concrete, and the impermeable layer separates the first supporting concrete layer from the second supporting concrete layer.
By adopting the technical scheme, the first supporting concrete layer, the impermeable layer and the second supporting concrete layer are poured together, so that the construction time is effectively reduced.
Optionally, one side of the second supporting concrete layer, which is far away from the impermeable layer, is detachably connected with a protection mechanism, and the lower end of the protection mechanism is installed on the upper surface of the base.
By adopting the technical scheme, the protective mechanism further protects the impermeable layer while increasing the thickness of the impermeable structure, so that the impermeable performance of the impermeable structure is effectively improved, and the erosion damage of water to the dam body is further reduced.
Optionally, the protection mechanism includes polylith guard plate that the polylith set gradually along dam body length direction, the guard plate is the prefabricated plate, the guard plate is parallel with second support concrete layer, the guard plate supports concrete layer butt with the second towards second support concrete layer one side, and two adjacent guard plates butt mutually, the guard plate lower extreme is installed in the base upper surface.
Through adopting above-mentioned technical scheme, conveniently install protection machanism, reduce the construction degree of difficulty, reduce the engineering time, improve the efficiency of construction.
Optionally, the protection plate is fixedly connected with a first water bar towards one side of the adjacent protection plate, and the two adjacent first water bars are abutted.
Through adopting above-mentioned technical scheme, reduce the water from two adjacent guard plate junctions infiltration to effectively reduce the erosion damage of water to the dam body.
Optionally, the joint of the protection plate and the adjacent protection plate is provided with an asphalt layer for sealing the protection plate.
Through adopting above-mentioned technical scheme, the asphalt layer improves the joint strength between two adjacent blocks of guard plates when meeting the department confined with the guard plate, improves the stability of being connected of protection machanism and second support concrete layer.
Optionally, the guard plate supports concrete layer one side fixedly connected with second dead lever towards the second, the second supports the first dead lever of concrete layer towards guard plate one side fixedly connected with, second dead lever length direction is parallel with the guard plate, second dead lever length direction is perpendicular with dam body length direction, first dead lever length direction is parallel with second dead lever length direction, there is the head rod along first dead lever length direction sliding connection in the first dead lever, there is the second connecting rod along second dead lever length direction sliding connection in the second dead lever, head rod and second connecting rod fixed connection.
Through adopting above-mentioned technical scheme, place the guard plate in the base upper surface, guard plate and second support concrete layer butt, two adjacent guard plate butts slide into first dead lever or the second dead lever that corresponds separately with head rod and second connecting rod respectively to be connected guard plate and second support concrete layer, easy operation is convenient.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first supporting concrete layer bonds the impermeable layer to one side of the dam body facing water, so that water is blocked by the impermeable layer, water permeating to the dam body is effectively reduced, erosion damage of the dam body by water is reduced, and the service life of the dam body is prolonged;
2. the second support concrete layer and the protection mechanism are used for carrying out secondary protection on the impermeable layer, so that the damage of the outer sun and the like to the impermeable layer is effectively reduced;
3. thereby conveniently install protection machanism through prefabricated guard plate, effectively reduce the engineering time.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is an enlarged view of a portion A of FIG. 1, which is mainly used to show the connection relationship between the protection plate and the base;
FIG. 3 is an enlarged partial schematic view of portion B of FIG. 1, shown primarily for illustrating the connection mechanism;
FIG. 4 is a partial structural schematic view of the embodiment of the present application, which is mainly used for illustrating the connection relationship between the second supporting concrete layer and the connection mechanism;
fig. 5 is a partial schematic structural diagram of the embodiment of the present application, which is mainly used for showing a connection relationship between the protection plate and the connection mechanism.
Description of reference numerals: 1. a dam body; 2. a base; 21. a clamping groove; 22. an abutment bar; 3. prefabricating a pile; 4. an anti-seepage mechanism; 41. a first supporting concrete layer; 42. an impermeable layer; 43. a second support concrete layer; 5. a protection mechanism; 51. a protection plate; 511. a first burying groove; 512. a second burying groove; 52. a first water bar; 53. a second water stop strip; 54. an asphalt layer; 6. a connecting mechanism; 61. a first fixing lever; 611. a first dovetail groove; 62. a second fixing bar; 621. a second dovetail groove; 63. a first connecting rod; 64. a second connecting rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses an anti-seepage structure of a dam body. Referring to fig. 1, the seepage-proofing structure of the dam body comprises a dam body 1, a base 2 is fixedly connected to one side, facing water, of the dam body 1, the base 2 is fixed to a riverbed through a fixing mechanism, a seepage-proofing mechanism 4 is arranged on the base 2, a protection mechanism 5 is arranged on one side, away from the dam body 1, of the seepage-proofing mechanism 4, and the seepage-proofing mechanism 4 is connected with the protection mechanism 5 through a connecting mechanism 6.
The dam body 1 is firstly protected for the first stage through the protection mechanism 5, the seepage-proofing mechanism 4 is used for protecting the dam body 1 for the second stage, so that water permeating to the side face of the dam body 1 is effectively reduced, meanwhile, the protection mechanism 5 effectively reduces damage of water flow erosion to the seepage-proofing mechanism 4, and seepage-proofing performance of the seepage-proofing structure is further improved.
Referring to fig. 1, dam body 1 is dam body 1's length direction with rivers flow direction vertically horizontal direction, and fixed establishment includes many precast piles 3 of vertical fixed connection in the riverbed, and many precast piles 3 set up along dam body 1 length direction interval, 2 lower surfaces of base and 3 up end fixed connection of precast pile, and base 2 is formed by waterproof concrete pouring. Increase the fixed strength of base 2 on the riverbed through precast pile 3, and then improve base 2 and dam body 1 stability of being connected.
Referring to fig. 1, the anti-seepage mechanism 4 comprises a first supporting concrete layer 41 fixedly connected to the upper surface of the base 2, the first supporting concrete layer 41 is parallel to one side of the dam body 1 facing water, the first supporting concrete layer 41 deviates from one side of the dam body 1 and is fixedly connected with an anti-seepage layer 42, the anti-seepage layer 42 deviates from one side of the first supporting concrete layer 41 and is fixedly connected with a second supporting concrete layer 43, and the first supporting concrete layer 41, the anti-seepage layer 42 and the second supporting concrete layer 43 are arranged in parallel. The impermeable layer 42 is a SBS pitch waterproof material layer, and the first supporting concrete layer 41 and the second supporting concrete layer 43 are both formed by pouring waterproof concrete. The impermeable layer 42 is fixed by the first support concrete layer 41 and the second support concrete layer 43, thereby effectively reducing the erosion of water to the dam body 1.
Referring to fig. 1 and 2, the protection mechanism 5 includes three protection plates 51 sequentially arranged along the length direction of the dam body 1, the protection plates 51 are parallel to and abutted against the second supporting concrete layer 43, the length direction of the protection plates 51 is perpendicular to the length direction of the dam body 1, the protection plates 51 are concrete precast slabs, and two adjacent protection plates 51 are abutted against each other. The first groove 511 of burying underground has been seted up along guard plate 51 length direction to guard plate 51 one side towards adjacent guard plate 51, and first the first water bar 52 of fixedly connected with in burying underground the groove 511, first water bar 52 are the rubber strip, and when two adjacent guard plate 51 butts, two adjacent water bar butts. Base 2 upper surface has been seted up along 1 length direction of dam body along joint groove 21, along 21 length direction fixedly connected with butt strips in joint groove 22 in the joint groove 21, guard plate 51 lower extreme has been seted up the second along 1 length direction of dam body and has been buried groove 512 underground, the second is buried fixedly connected with second fender water strip 53 in groove 512 underground, guard plate 51 lower extreme joint is in joint groove 21, second fender water strip 53 and butt strip 22 butt, butt strip 22 is the rubber strip with second fender water strip 53. The anti-seepage mechanism 4 is protected by the three protection plates 51, so that the thickness of the anti-seepage structure is effectively increased, and the erosion of water to the dam body 1 is reduced.
Referring to fig. 1, an asphalt layer 54 is fixedly connected to the joint of two adjacent protection plates 51 and the joint of the protection plate 51 and the base 2 to seal the two adjacent protection plates.
Referring to fig. 1 and 3, one side of the second supporting concrete layer 43, which is away from the impermeable layer 42, is provided with three groups of connecting mechanisms 6, each protective plate 51 corresponds to one group of connecting mechanisms 6, each connecting mechanism 6 comprises three first fixing rods 61, the three first fixing rods 61 are sequentially arranged at intervals along the length direction of the dam body 1, the first fixing rods 61 and the second supporting concrete layer 43 are poured into a whole, and the length direction of the first fixing rods 61 is parallel to the second supporting concrete layer 43 and is perpendicular to the length direction of the dam body 1.
Referring to fig. 3 and 4, a first dovetail groove 611 is formed in one side of the first fixing rod 61 away from the impermeable layer 42 along a length direction of the first fixing rod 61, a first connecting rod 63 is slidably connected in the first dovetail groove 611, an end surface of the first connecting rod 63 is dovetail-shaped, and a side wall of the first connecting rod 63 abuts against a side wall of the first dovetail groove 611.
Referring to fig. 3 and 5, the protection plate 51 is fixedly connected with a second fixing rod 62 towards one side of the second supporting concrete layer 43, each first fixing rod 61 is provided with a second fixing rod 62 corresponding to the first fixing rod 62, the second fixing rods 62 and the second supporting concrete layer 43 are poured into a whole, and the length direction of the second fixing rods 62 is parallel to the length direction of the first fixing rods 61. The second fixing rod 62 is provided with a second dovetail groove 621 facing one side of the second supporting concrete layer 43 along the length direction of the second fixing rod 62, the second dovetail groove 621 is connected with a second connecting rod 64 in a sliding manner, the end face of the second connecting rod 64 is dovetail-shaped, and the side wall of the second connecting rod 64 abuts against the side wall of the first dovetail groove 611. The first connecting rod 63 facing the protection plate 51 is fixedly connected with the second connecting rod 64 facing the first connecting rod 63.
The second supporting concrete layer 43 and the protection plate 51 are connected through the connecting mechanism 6, the protection mechanism 5 is conveniently installed, and the construction time is saved.
The implementation principle of the seepage-proofing structure of the dam body in the embodiment of the application is as follows: when the seepage-proofing structure is built, the base 2 is installed on a river bed through the precast pile 3, and the clamping groove 21 is dug to fix the butt-joint strip 22.
The first support concrete layer 41 and the second support concrete layer 43 are cast, and the SBS asphalt waterproof material layer is placed as an impermeable layer 42 to separate the first support concrete layer 41 and the second support concrete layer 43. Three second fixing bars 62 are pre-arranged on the side of the second supporting concrete layer 43 facing away from the impermeable layer 42, so that the three second fixing bars 62 are integrated with the second supporting concrete layer 43.
Through prefabricating the protection plate 51, the second fixing rod 62 is embedded on the protection plate 51 in the prefabricating process, so that the second fixing rod 62 and the protection plate 51 are poured into a whole. The protection plate 51 is provided with a first embedding groove 511 for fixing a first waterproof strip, and a second embedding groove 512 for fixing a second waterproof strip.
The lower end of the guard plate 51 is placed in the catching groove 21, the guard plate 51 abuts against the second supporting concrete layer 43, and the second supporting concrete layer 43 and the guard plate 51 are connected as a whole using the first connecting rod 63 and the second connecting rod 64.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above 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 (8)
1. An anti-seepage structure of dam body which is characterized in that: including dam body (1), dam body (1) is towards one side fixedly connected with base (2) of water, fixed surface is connected with seepage prevention mechanism (4) on base (2), seepage prevention mechanism (4) include fixed connection in seepage prevention mechanism (4) including fixed connection in dam body (1) towards first support concrete layer (41) of base (2) one side, first support concrete layer (41) deviate from dam body (1) one side fixedly connected with and are used for waterproof barrier layer (42).
2. The seepage-proofing structure of a dam body as claimed in claim 1, wherein: and a second supporting concrete layer (43) is fixedly connected to one side of the impermeable layer (42) departing from the first supporting concrete layer (41).
3. The seepage-proofing structure of a dam body as claimed in claim 2, wherein: the first supporting concrete layer (41) and the second supporting concrete layer (43) are integrally cast by waterproof concrete, and the impermeable layer (42) separates the first supporting concrete layer (41) from the second supporting concrete layer (43).
4. The seepage-proofing structure of a dam body as claimed in claim 2, wherein: one side, deviating from the impermeable layer (42), of the second supporting concrete layer (43) is detachably connected with a protection mechanism (5), and the lower end of the protection mechanism (5) is installed on the upper surface of the base (2).
5. The seepage-proofing structure of a dam body as claimed in claim 4, wherein: protection machanism (5) include polylith protection plate (51) that the polylith set gradually along dam body (1) length direction, protection plate (51) are the prefabricated plate, protection plate (51) are parallel with second support concrete layer (43), protection plate (51) support concrete layer (43) one side and second support concrete layer (43) butt towards the second, and two adjacent protection plate (51) butt of each other, protection plate (51) lower extreme is installed in base (2) upper surface.
6. The seepage-proofing structure of a dam body as claimed in claim 5, wherein: the protection plate (51) is fixedly connected with a first water retaining strip (52) towards one side of the adjacent protection plate (51), and the adjacent two first water retaining strips (52) are abutted.
7. The seepage-proofing structure of a dam body as claimed in claim 6, wherein: and an asphalt layer (54) for sealing the protection plate (51) is arranged at the joint of the protection plate (51) and the adjacent protection plate (51).
8. The seepage-proofing structure of a dam body as claimed in claim 7, wherein: one side of the protection plate (51) facing the second supporting concrete layer (43) is fixedly connected with a second fixing rod (62), one side of the second supporting concrete layer (43) facing the protection plate (51) is fixedly connected with a first fixing rod (61), the length direction of the second fixing rod (62) is parallel to the protection plate (51), the length direction of the second fixing rod (62) is vertical to the length direction of the dam body (1), the length direction of the first fixing rod (61) is parallel to the length direction of the second fixing rod (62), a first connecting rod (63) is connected in the first fixing rod (61) in a sliding way along the length direction of the first fixing rod (61), a second connecting rod (64) is connected in the second fixing rod (62) in a sliding way along the length direction of the second fixing rod (62), the first connecting rod (63) is fixedly connected with the second connecting rod (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121198799.1U CN214783673U (en) | 2021-05-31 | 2021-05-31 | Seepage-proofing structure of dam body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121198799.1U CN214783673U (en) | 2021-05-31 | 2021-05-31 | Seepage-proofing structure of dam body |
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| Publication Number | Publication Date |
|---|---|
| CN214783673U true CN214783673U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121198799.1U Active CN214783673U (en) | 2021-05-31 | 2021-05-31 | Seepage-proofing structure of dam body |
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| Country | Link |
|---|---|
| CN (1) | CN214783673U (en) |
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2021
- 2021-05-31 CN CN202121198799.1U patent/CN214783673U/en active Active
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