Pavement crack anti-seepage structure

Abstract

The utility model relates to the technical field of pavement construction, in particular to a pavement crack anti-seepage structure which comprises a plain soil layer, a rammed earth layer is laid on the upper side of the plain soil layer, a broken stone hardcore is laid on the upper side of the rammed earth layer, and an anti-seepage structure is arranged on the upper side of the broken stone hardcore. The anti-seepage structure comprises drainage pipelines, a first concrete layer, drainage grooves, a first waterproof layer and a second waterproof layer, the drainage pipelines are fixed to the left side and the right side of the upper surface of the broken stone hardcore, the first concrete layer is laid in the middle of the upper surfaces of the two broken stone hardcore layers, and multiple sets of supporting beams are poured on the upper surface of the first concrete layer; a second concrete layer is poured on the upper side of the supporting beam; the two waterproof layers block rainwater, the rainwater stops permeating downwards, slides to the interior of the drainage groove from the front side and the rear side and then is drained into the drainage pipelines on the left side and the right side through the drainage groove, so that the permeating rainwater is completely and rapidly drained, the rainwater is prevented from permeating downwards continuously, the anti-seepage effect is improved, and the safety of the foundation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pavement construction, in particular to a pavement crack anti-leakage structure. Background Art

[0002] With the rapid development of economy and the continuous progress of science and technology, the pace of road construction is also moving forward significantly. In order to better meet people's travel needs, higher requirements are put forward for the performance of roads. Some existing pavements have poor anti-leakage effects. On rainy days, rainwater easily gathers under the pavement, causing certain impacts on the foundation of the pavement.

[0003] Among them, the announcement number CN220166572U discloses a durable anti-leakage pavement structure, which relates to the technical field of pavement construction, improves the problem of poor anti-leakage effect of some existing pavements, including a steel mesh arranged in the ground, the interior of the steel mesh is provided with crushed stones, the top of the steel mesh is provided with a concrete layer, the bottom of the steel mesh is provided with a buffer device and a water pipe at intervals in front and behind, both ends of the water pipe are connected to a drainage pipe, the outer surface of the water pipe is provided with a permeable plate on the side close to the steel mesh, the bottom of the buffer device is fixedly provided with a first steel plate, the buffer device includes a rubber sleeve, and the inner wall of the rubber sleeve is provided with a rubber shock-absorbing pad and a second steel plate in sequence. In rainy days, rainwater can enter the interior of the water pipe through the permeable plate, and finally the water pipe is discharged into the interior of the drainage pipe, thereby improving the anti-leakage performance of the pavement and reducing the impact of water seepage on the pavement foundation.

[0004] The water pipes and buffer devices in this structure are spaced apart at the bottom of the steel mesh, and there is a large space between every two groups of water pipes. Rainwater can easily seep from between the two groups of water pipes to the surface of the first steel plate, resulting in a low anti-seepage effect. In addition, rainwater will remain on the surface of the first steel plate, eroding the surface of the steel plate, which can easily lead to loosening of the foundation structure and reduce safety in use.

[0005] Therefore, it is necessary to invent a road crack anti-leakage structure to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a pavement crack anti-leakage structure to solve the problem that rainwater easily seeps from between two groups of water pipes to the surface of a first steel plate, the anti-seepage effect is low, and the rainwater will remain on the surface of the first steel plate, causing erosion on the surface of the steel plate, easily causing the foundation structure to loosen, and the problem of low safety in use.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pavement crack anti-leakage structure, comprising a plain soil layer, a rammed earth layer is laid on the upper side of the plain soil layer, a crushed stone cushion layer is laid on the upper side of the rammed earth layer, an anti-seepage structure is arranged on the upper side of the crushed stone cushion layer, the anti-seepage structure comprises a drainage pipe, a first concrete layer, a drainage ditch, a first waterproof layer, and a second waterproof layer, the drainage pipe is fixed on the left and right sides of the upper surface of the crushed stone cushion layer, the first concrete layer is laid in the middle position of the upper surfaces of two groups of crushed stone cushion layers, a plurality of support beams are cast on the upper surface of the first concrete layer, and a second concrete layer is cast on the upper side of the support beams.

[0008] By adopting the above technical solution, when rainwater penetrates downward, it will drip onto the upper surface of the first concrete layer. At this time, it will be blocked by the two sets of waterproof layers, and the rainwater will stop penetrating downward and slide to both sides into the inside of the drainage trough, and then discharged into the drainage pipes on the left and right sides.

[0009] Optionally, the drainage groove is opened on the upper surface of the first concrete layer, the first waterproof layer is laid on the surface of the first concrete layer and the drainage groove, and the second waterproof layer is laid on the upper surface of the first waterproof layer.

[0010] By adopting the above technical solution, the surface of the first concrete layer is wavy, and the drainage groove is opened at the lowest point of the wave, so that the infiltrated rainwater can quickly slide into the drainage groove, and the middle position of the drainage groove is higher than the positions at both ends, so that the rainwater can be quickly discharged into the drainage pipe; wherein the first waterproof layer is a waterproof coating, and the second waterproof layer is a waterproof membrane.

[0011] Optionally, the upper and lower sides inside the drainage pipe are respectively a first water collecting trough and a second water collecting trough, and a drainage hole is opened on the side of the second water collecting trough.

[0012] By adopting the above technical solution, the first water collection tank is used to drain surface water, and the second water collection tank is used to drain groundwater.

[0013] Optionally, a first water inlet is provided on the upper side of the first water collecting trough, and a second water inlet is provided on the side of the first water collecting trough.

[0014] Optionally, a water pipe is fixedly connected to the edge of the drainage groove, and the water pipe is inserted into the interior of the drainage hole.

[0015] By adopting the above technical solution, the water supply pipeline connects the drainage trough with the second water collection trough.

[0016] Optionally, a coarse asphalt layer is laid on the upper side of the second concrete layer, a medium asphalt layer is laid on the upper side of the coarse asphalt layer, and a fine asphalt layer is laid on the upper surface of the medium asphalt layer.

[0017] Optionally, a water collection port is provided at an edge of the fine asphalt layer and located outside the second water inlet.

[0018] Optionally, a water guide groove is opened at the edge of the fine asphalt layer, and the water guide groove is connected to the water collection port.

[0019] By adopting the above technical solution, the water flow on the road surface will be gathered into the water diversion channels on both sides, and quickly gathered into the water collection port through the water diversion channels, so that the rainwater on the road surface can be quickly discharged.

[0020] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0021] The utility model solves the problem that when rainwater penetrates downwards, it will drip onto the upper surface of the first concrete layer. At this time, it will be blocked by the two groups of waterproof layers, and the rainwater will stop penetrating downwards and will slide to the inside of the drainage groove on the front and rear sides, and then be discharged into the drainage pipes on the left and right sides through the drainage groove, so as to facilitate the discharge of all the penetrated rainwater, avoid the rainwater from continuing to penetrate downwards, increase the anti-seepage effect, and improve the safety of the foundation. It solves the problem that rainwater is easy to penetrate from between the two groups of water pipes to the surface of the first steel plate, the anti-seepage effect is low, and rainwater will remain on the surface of the first steel plate, causing erosion on the surface of the steel plate, which is easy to cause the foundation structure to loosen and has low safety in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0024] Figure 3 It is a schematic diagram of the anti-seepage structure of the utility model;

[0025] Figure 4 for Figure 3 A schematic diagram of the structure at A;

[0026] Figure 5 This is a schematic diagram of the second concrete layer structure of the present utility model.

[0027] Description of reference numerals:

[0028] 1. Soil layer; 11. Rammed earth layer; 12. Gravel cushion layer; 2. Drainage pipe; 21. First water collection tank; 22. Second water collection tank; 23. Drain hole; 24. First water inlet; 25. Second water inlet; 3. First concrete layer; 31. Support beam; 32. Drainage trough; 33. First waterproof layer; 34. Second waterproof layer; 35. Water pipe; 4. Second concrete layer; 41. Coarse asphalt layer; 42. Medium asphalt layer; 43. Fine asphalt layer; 44. Water collection tank; 45. Water guide trough. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0030] The utility model provides Figures 1 to 4 The pavement crack anti-leakage structure shown in the figure comprises a plain soil layer 1, a rammed earth layer 11 is laid on the upper side of the plain soil layer 1, a crushed stone cushion layer 12 is laid on the upper side of the rammed earth layer 11, an anti-seepage structure is arranged on the upper side of the crushed stone cushion layer 12, and the anti-seepage structure comprises a drainage pipe 2, a first concrete layer 3, a drainage ditch 32, a first waterproof layer 33, and a second waterproof layer 34. The drainage pipe 2 is fixed on the left and right sides of the upper surface of the crushed stone cushion layer 12, the first concrete layer 3 is laid in the middle position of the upper surface of the two groups of crushed stone cushion layers 12, and the upper surface of the first concrete layer 3 is cast with multiple groups of supporting A support beam 31 is provided, and a second concrete layer 4 is cast on the upper side of the support beam 31. A drainage groove 32 is provided on the upper surface of the first concrete layer 3. A first waterproof layer 33 is laid on the surface of the first concrete layer 3 and the drainage groove 32. A second waterproof layer 34 is laid on the upper surface of the first waterproof layer 33. The upper and lower sides inside the drainage pipe 2 are respectively the first water collecting groove 21 and the second water collecting groove 22. A drainage hole 23 is provided on the side of the second water collecting groove 22. A water supply pipe 35 is fixedly connected to the edge of the drainage groove 32, and the water supply pipe 35 is inserted into the inside of the drainage hole 23.

[0031] During the laying process, the surface of the plain soil layer 1 is compacted to form a rammed earth layer 11, and then a crushed stone cushion layer 12 is laid on the surface of the rammed earth layer 11, and then a first concrete layer 3 is laid on the upper surface of the crushed stone cushion layer 12. The surface of the first concrete layer 3 is wavy in the front-to-back direction, and a drainage ditch 32 is opened at the lowest point of the wave so that water can quickly converge into the drainage ditch 32, and the drainage ditch 32 is in a state of being high in the middle and low on both sides. Then, water pipes 35 are fixed at both ends of the drainage ditch 32, and multiple groups of support beams 31 are cast on the surface of the first concrete layer 3, and then a second concrete layer 4 is cast on the upper side of the support beam 31, and there is an overhead layer between the second concrete layer 4 and the first concrete layer 3.

[0032] See also Figure 5 A first water inlet 24 is provided on the upper side of the first water collecting trough 21, a second water inlet 25 is provided on the side of the first water collecting trough 21, a coarse asphalt layer 41 is laid on the upper side of the second concrete layer 4, a medium asphalt layer 42 is laid on the upper side of the coarse asphalt layer 41, a fine asphalt layer 43 is laid on the upper surface of the medium asphalt layer 42, a water collecting port 44 is provided at the edge of the fine asphalt layer 43 outside the second water inlet 25, a water guide groove 45 is provided at the edge of the fine asphalt layer 43, and the water guide groove 45 is communicated with the water collecting port 44.

[0033] In addition, drainage pipes 2 are installed on the left and right sides of the first concrete layer 3 and the second concrete layer 4. The lower end of the drainage pipe 2 is erected on the upper side of the crushed stone cushion layer 12, and the outer side of the drainage pipe 2 is backfilled with a plain soil layer 1 to compact and fix the drainage pipe 2. Finally, a coarse asphalt layer 41, a medium asphalt layer 42 and a fine asphalt layer 43 are laid in sequence on the surface of the second concrete layer 4 to form a pavement structure.

[0034] Specifically, during use, rainwater on the road surface will gather into the inside of the water guide grooves 45 on the left and right sides, and will be gathered into the inside of the water collection port 44 through the water guide grooves 45, and will then flow into the inside of the first water collection groove 21 through the second water inlet 25. The rainwater seeping from the road surface will penetrate into the upper surface of the first concrete layer 3, and will stop seeping due to the obstruction of the first waterproof layer 33 and the second waterproof layer 34, thus avoiding damage to the foundation structure. At the same time, the rainwater on the surface of the first concrete layer 3 will quickly slide into the inside of the drainage groove 32, and will continue to flow into the inside of the second water collection groove 22, thus avoiding excessive stay of rainwater on the surface of the first concrete layer 3.

[0035] Working principle of the utility model: in order to improve the anti-seepage effect and improve the safety of the foundation, two sets of waterproof layers are used to block rainwater, the rainwater will stop penetrating downwards, and will slide to the inside of the drainage groove 32 on the front and rear sides, and then be discharged into the drainage pipes 2 on the left and right sides through the drainage groove 32, so as to facilitate the rapid discharge of all the infiltrated rainwater, prevent the rainwater from continuing to penetrate downwards, increase the anti-seepage effect, and improve the safety of the foundation.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A pavement crack anti-leakage structure, comprising a plain soil layer (1), characterized in that: A rammed earth layer (11) is laid on the upper side of the plain soil layer (1), a crushed stone cushion layer (12) is laid on the upper side of the rammed earth layer (11), an anti-seepage structure is arranged on the upper side of the crushed stone cushion layer (12), and the anti-seepage structure comprises a drainage pipe (2), a first concrete layer (3), a drainage trough (32), a first waterproof layer (33), and a second waterproof layer (34); the drainage pipe (2) is fixed on the left and right sides of the upper surface of the crushed stone cushion layer (12); the first concrete layer (3) is laid in the middle of the upper surfaces of the two groups of crushed stone cushion layers (12); a plurality of support beams (31) are cast on the upper surface of the first concrete layer (3), and a second concrete layer (4) is cast on the upper side of the support beams (31).

2. A pavement crack anti-leakage structure according to claim 1, characterized in that: The drainage groove (32) is opened on the upper surface of the first concrete layer (3), the first waterproof layer (33) is laid on the surface of the first concrete layer (3) and the drainage groove (32), and the second waterproof layer (34) is laid on the upper surface of the first waterproof layer (33).

3. A pavement crack anti-leakage structure according to claim 1, characterized in that: The upper and lower sides of the drainage pipe (2) are respectively a first water collecting trough (21) and a second water collecting trough (22), and a drainage hole (23) is provided on the side of the second water collecting trough (22).

4. A road crack anti-leakage structure according to claim 3, characterized in that: A first water inlet (24) is provided on the upper side of the first water collecting tank (21), and a second water inlet (25) is provided on the side of the first water collecting tank (21).

5. A road crack anti-leakage structure according to claim 3, characterized in that: A water delivery pipe (35) is fixedly connected to the edge of the drainage groove (32), and the water delivery pipe (35) is inserted into the interior of the drainage hole (23).

6. A road crack anti-leakage structure according to claim 4, characterized in that: A coarse asphalt layer (41) is laid on the upper side of the second concrete layer (4), a medium asphalt layer (42) is laid on the upper side of the coarse asphalt layer (41), and a fine asphalt layer (43) is laid on the upper surface of the medium asphalt layer (42).

7. A road crack anti-leakage structure according to claim 6, characterized in that: A water collection port (44) is provided at the edge of the fine asphalt layer (43) and outside the second water inlet (25).

8. A road crack anti-leakage structure according to claim 7, characterized in that: A water guide groove (45) is provided at the edge of the fine asphalt layer (43), and the water guide groove (45) is connected to the water collection port (44).

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