CN216474336U - Track and field runway with asphalt foundation capable of preventing cracking - Google Patents
Track and field runway with asphalt foundation capable of preventing cracking Download PDFInfo
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- CN216474336U CN216474336U CN202123156445.3U CN202123156445U CN216474336U CN 216474336 U CN216474336 U CN 216474336U CN 202123156445 U CN202123156445 U CN 202123156445U CN 216474336 U CN216474336 U CN 216474336U
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Abstract
The application relates to an asphalt foundation cracking-resistant track for an athletic field, which comprises a rubber track layer, a foundation layer and a drainage channel; the drainage channel comprises a drainage channel, the drainage channel is arranged on one side of the base layer, a reinforced concrete prefabricated cover plate for covering an opening of the drainage channel is fixedly connected above the drainage channel, and the reinforced concrete prefabricated cover plate is fixedly connected with the drainage channel and covers the drainage channel; the upper surface of the reinforced concrete prefabricated cover plate is provided with a first drainage hole, the rubber runway layer is laid on the base layer and the reinforced concrete prefabricated cover plate, a second drainage hole is formed in the rubber runway layer, and the first drainage hole is communicated with the second drainage hole. This application has the effect of avoiding the plastic course to take place the fracture as far as possible.
Description
Technical Field
The application relates to the field of athletic fields, in particular to an asphalt foundation cracking-resistant track for an athletic field.
Background
In the process of constructing the track and field ground, the plastic track has good elasticity, so that the possibility of injury of athletes can be reduced as much as possible, and the plastic track becomes a common track and field ground track tool; the plastic track comprises a rubber track layer, a base layer and a drainage channel. The rubber runway layer is laid on the base layer, the drainage channel is arranged beside the base layer, and in rainy days, rainwater on the plastic runway flows into the drainage channel to be drained.
Referring to fig. 1, the drainage cover is arranged above the drainage canal, the drainage cover is generally made of reinforced concrete prefabricated cover plate materials, and in the season with large day-night temperature difference, at the joint of the drainage cover and the plastic track, rubber materials of the plastic track shrink due to temperature change, and when the plastic track shrinks, gaps between the plastic track and the reinforced concrete prefabricated cover plate materials can be enlarged and crack. Therefore, the design of the anti-cracking track for the track and field ground becomes an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
In order to avoid producing the gap between plastic course and the drainage lid as far as possible, this application provides an asphalt foundation prevents track and field runway that ftractures.
The application provides a track and field runway that prevents ftractureing on pitch basis adopts following technical scheme:
an asphalt foundation cracking-resistant track for an athletic field comprises a rubber track layer, a foundation layer and a drainage channel; the drainage channel is arranged on one side of the base layer and comprises a drainage groove, the drainage groove is arranged on one side of the base layer, and a reinforced concrete prefabricated cover plate for covering an opening of the drainage groove is fixedly connected above the drainage groove; the upper surface of the reinforced concrete prefabricated cover plate is provided with a first drainage hole, the rubber runway layer is laid on the base layer and the reinforced concrete prefabricated cover plate, a second drainage hole is formed in the rubber runway layer, and the first drainage hole is communicated with the second drainage hole.
By adopting the technical scheme, the rubber runway layer covers the reinforced concrete prefabricated cover plate above the drainage channel, and a gap generated by the connection of the inner side of the rubber runway layer and the reinforced concrete prefabricated cover plate can be avoided, so that a crack generated by the contraction of the connection part of the rubber runway layer and the reinforced concrete prefabricated cover plate due to the temperature change is avoided.
Optionally, the foundation layer of the track and field runway comprises an asphalt concrete layer, a 250mm thick graded gravel layer and a plain soil layer; the asphalt concrete layer is arranged below the rubber runway layer and is tightly attached to the rubber runway layer; the 250mm thick graded broken stone layer is arranged below the asphalt concrete layer, and the plain soil layer is arranged below the 250mm thick graded broken stone layer.
Through adopting above-mentioned technical scheme, set up 250mm thick level and join in marriage the metalling on plain soil layer, 250mm thick level joins in marriage the metalling and has better bearing capacity and anti-crack ability, can provide stable holding power for rubber runway layer. The cement stabilizing layer is arranged on the upper layer of the 250mm thick graded crushed stone layer, and the asphalt concrete layer can be connected with the cement stabilizing layer and the rubber runway layer, and meanwhile, the anti-cracking strength is increased.
Optionally, the asphalt concrete layer extends to the upper side of the reinforced concrete prefabricated cover plate and covers the reinforced concrete prefabricated cover plate.
By adopting the technical scheme, the asphalt base layer extends to the upper part of the reinforced concrete prefabricated cover plate, so that the rubber runway layer above the reinforced concrete prefabricated cover plate can be stably connected with the reinforced concrete prefabricated cover plate, and meanwhile, the anti-cracking strength is increased.
Optionally, the asphalt concrete layers include a fine particle type asphalt concrete layer with a thickness of 30mm and a medium particle type asphalt concrete layer with a thickness of 50 mm; the fine grain formula asphalt concrete layer that 30mm is thick sets up in the top of the fine grain formula asphalt concrete layer that 50mm is thick, and the fine grain formula asphalt concrete layer that 30mm is thick contacts with rubber runway layer, and the fine grain formula asphalt concrete layer that 30mm is thick closely laminates with the fine grain formula asphalt concrete layer that 50mm is thick.
By adopting the technical scheme, the 30mm thick fine particle type asphalt concrete layer has better flatness, and the contact of the 30mm thick fine particle type asphalt concrete layer and the plastic track layer can increase the comfort of the plastic track. The 50mm thick medium particle type asphalt concrete layer is arranged below the 30mm thick fine particle type asphalt concrete layer, and has better bearing and anti-cracking capacity.
Optionally, a cement stabilizing layer is arranged above the 250mm thick graded broken stone layer.
Through adopting above-mentioned technical scheme, the cement stable layer can stabilize, the compaction with 250mm thick gradation gravel layer. The cement stabilizing layer can bear the load transmitted by the surface layer, and the crack resistance of the plastic track is improved.
Optionally, an emulsified asphalt oil-permeable layer is arranged below the 50mm thick medium-grain asphalt concrete layer.
By adopting the technical scheme, the emulsified asphalt oil-permeable layer can reduce the infiltration of water as much as possible, and meanwhile, the bonding between the thick medium-grain asphalt concrete layer and the layer structure below the thick medium-grain asphalt concrete layer is enhanced.
Optionally, a geotextile grid is laid between the asphalt base oil-permeable layer and the cement stabilizing layer.
By adopting the technical scheme, the geotextile grille can reduce the settlement of the asphalt concrete layer as much as possible and increase the stability of the asphalt concrete layer.
Optionally, a glass fiber anti-cracking net is arranged between the rubber runway layer and the fine-grain asphalt concrete layer with the thickness of 30 mm.
Through adopting above-mentioned technical scheme, the glass fiber anti-crack net can reduce the possibility that plastic course ftractures as far as possible, and the glass fiber anti-crack net can increase the 30mm thick fine grain formula asphalt concrete layer and the emulsified asphalt passes through the frictional force between the oil reservoir for 30mm thick fine grain formula asphalt concrete layer and emulsified asphalt pass through the connection between the oil reservoir more stably.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the rubber track layer extends to the drainage channel, so that cracks are not easy to generate between the rubber track layer and the drainage channel;
2. through being provided with the anti net of splitting of glass fiber between rubber runway layer and the thick medium grain formula asphalt concrete layer of 50mm, the anti net of splitting of glass fiber can further reduce the possibility of plastic course fracture, and the anti net of splitting of glass fiber can increase the 30mm thick fine grain formula asphalt concrete layer and the emulsified asphalt passes through the frictional force between the oil reservoir for 30mm thick fine grain formula asphalt concrete layer and emulsified asphalt pass through being connected between the oil reservoir more stably.
Drawings
Fig. 1 is a schematic view of a structure of a runway in the related art.
Fig. 2 is a schematic structural diagram of a runway in the embodiment of the application.
Fig. 3 is a cross-sectional view of a runway in an embodiment of the present application.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Description of reference numerals: 1. a rubber track layer; 12. a second drain hole; 2. a base layer; 21. an asphalt concrete layer; 211. a fine particle type asphalt concrete layer of 30mm thickness; 212. a 50mm thick medium grain asphalt concrete layer; 22. a 250mm thick graded crushed stone layer; 23. a plain soil layer; 24. a cement stabilization layer; 25. emulsified asphalt oil-permeable layer; 26. a geotextile grid; 27. a fiberglass crack resistant web; 3. a drainage canal; 31. a water discharge tank; 32. prefabricating a cover plate by reinforced concrete; 33. a first drain hole; 4. and a protective layer.
Detailed Description
The present application is described in further detail below with reference to figures 2-3.
The embodiment of the application discloses track and field runway with asphalt foundation cracking prevention. Referring to fig. 2, an asphalt-based crack-resistant track for an athletic field includes a rubber track layer 1, a base layer 2, and a drainage channel 3.
Referring to fig. 3, a drain channel 31 is provided at one side of the foundation layer 2, and the drain ditch 3 includes the drain channel 31, and the drain channel 31 is formed by casting concrete. The opening of the drainage groove 31 faces upwards, a reinforced concrete prefabricated cover plate 32 used for shielding the opening at the top of the drainage groove 31 is arranged right above the drainage groove 31, and the reinforced concrete prefabricated cover plate 32 is fixedly connected with the drainage groove 31 and covers the drainage groove 31; the upper surface of the reinforced concrete prefabricated cover plate 32 is provided with a first drainage hole 33.
Referring to fig. 3, the rubber runway layer 1 is laid on the base layer 2 and the reinforced concrete prefabricated cover plate 32, a second drainage hole 12 is formed in the rubber runway layer 1, a first drainage hole 33 is aligned with and communicated with the second drainage hole 12, and accumulated water flows into the drainage channel 3 from the first drainage hole 33 and the second drainage hole 12.
In case of water accumulation in rainy days, the accumulated water can flow into the drainage groove 31 from the first drainage hole 33 so as to be drained.
Compared with the rubber runway layer 1 which does not cover the reinforced concrete prefabricated cover plate 32, the rubber runway layer 1 covers the reinforced concrete prefabricated cover plate 32 above the drainage channel 3, so that a gap generated by the connection of the inner side of the rubber runway layer 1 and the reinforced concrete prefabricated cover plate 32 can be avoided, and the crack formed by the contraction of the connection part of the rubber runway layer 1 and the reinforced concrete prefabricated cover plate 32 due to the temperature change is avoided.
Referring to fig. 3, the foundation layer 2 of the athletic field runway includes an asphalt concrete layer 21, a 250mm thick graded gravel layer 22, and a plain soil layer 23. The asphalt concrete layer 21 is arranged below the rubber runway layer 1, and the asphalt concrete layer 21 is tightly attached to the rubber runway layer 1. The 250mm thick graded gravel layer 22 is disposed below the asphalt concrete layer 21, and the plain soil layer 23 is disposed below the 250mm thick graded gravel layer 22.
The 250mm thick graded broken stone layer 22 is arranged on the plain soil layer 23, and the 250mm thick graded broken stone layer 22 has good bearing capacity and crack resistance and can provide stable supporting force for the rubber runway layer 1. The cement stabilizing layer 24 is arranged on the upper layer of the 250mm thick graded broken stone layer 22, and the asphalt concrete layer 21 can connect the cement stabilizing layer 24 and the rubber runway layer 1, and meanwhile, the crack resistance is improved.
The asphalt concrete layer 21 extends over the reinforced concrete precast cover plate 32 and covers the reinforced concrete precast cover plate 32.
The asphalt concrete layer 21 extends to the upper part of the reinforced concrete prefabricated cover plate 32, so that the rubber runway layer 1 above the reinforced concrete prefabricated cover plate 32 can be stably connected with the reinforced concrete prefabricated cover plate 32, and the anti-cracking strength is increased.
The asphalt concrete layer 21 includes a fine-grained asphalt concrete layer 211 of 30mm thickness and a medium-grained asphalt concrete layer 212 of 50mm thickness. The 30mm thick and fine particle type asphalt concrete layer 211 is arranged above the 50mm thick and medium particle type asphalt concrete layer 212, the 30mm thick and fine particle type asphalt concrete layer 211 is in contact with the rubber runway layer 1, and the 30mm thick and fine particle type asphalt concrete layer 211 is tightly attached to the 50mm thick and medium particle type asphalt concrete layer 212.
The fine particle type asphalt concrete layer 211 with the thickness of 30mm is AC-10, and the medium particle type asphalt concrete layer 212 with the thickness of 50mm is AC-16 to AC-20.
The fine particle type asphalt concrete layer 211 with the thickness of 30mm has better flatness, and the fine particle type asphalt concrete layer 211 with the thickness of 30mm is in contact with the plastic track layer, so that the comfort of the plastic track can be improved. The 50mm thick medium particle type asphalt concrete layer 212 is arranged below the 30mm thick fine particle type asphalt concrete layer 211, and has good bearing and anti-cracking capacity.
A cement stabilizing layer 24 is arranged above the 250mm thick graded gravel layer 22. The cement stabilization layer 24 can stabilize and compact the 250mm thick graded gravel layer 22. The cement stabilizing layer 24 can bear the load transmitted by the surface layer, and the crack resistance of the plastic track is improved.
An emulsified asphalt oil-permeable layer 25 is arranged below the 50mm thick medium particle type asphalt concrete layer 212, the emulsified asphalt oil-permeable layer 25 can reduce infiltration of water as much as possible, and meanwhile, bonding between the thick medium particle type asphalt concrete layer 21 and a layer structure below the thick medium particle type asphalt concrete layer is enhanced, so that the 50mm thick medium particle type asphalt concrete layer 212 above the emulsified asphalt base oil-permeable layer 25 and a cement stabilizing layer 24 below the emulsified asphalt base oil-permeable layer form a stable whole.
And a geotextile grid 26 is laid between the emulsified asphalt foundation oil permeable layer 25 and the cement stabilizing layer 24. The geotextile grilles 26 can reduce the sedimentation of the asphalt concrete layer 21 as much as possible and increase the stability of the asphalt concrete layer 21.
And a glass fiber anti-cracking net 27 is arranged between the rubber runway layer 1 and the fine particle type asphalt concrete layer 212 with the thickness of 30mm, and the glass fiber anti-cracking net 27 can further prevent the plastic runway from cracking.
A glass fiber anti-cracking net 27 is arranged between the 50mm medium particle type asphalt concrete layer 211 and the emulsified asphalt oil-permeable layer 25, the possibility of cracking of the plastic track can be reduced as much as possible by the glass fiber anti-cracking net 27, meanwhile, the glass fiber anti-cracking net 27 can increase the friction force between the 50mm medium particle type asphalt concrete layer 211 and the emulsified asphalt oil-permeable layer 25, and therefore the connection between the 50mm medium particle type asphalt concrete layer 211 and the emulsified asphalt oil-permeable layer 25 is more stable.
Referring to fig. 4, a protective layer 4 is installed on the layer structure at both sides of the first drain hole 33 and the second drain hole 12, the protective layer 4 is sequentially covered on the rubber runway layer 1, the 30mm thick fine particle type asphalt concrete layer 211, the 50mm thick medium particle type asphalt concrete layer 212 and the reinforced concrete prefabricated cover plate 32, and the material of the protective layer 4 may be rubber.
The protective layer 4 is used for protecting the layer structures on the two sides beside the first drain hole 33 and the second drain hole 12, and the layer structures are prevented from being corroded by rainwater or external force as much as possible.
The implementation principle of the asphalt foundation cracking-proof track field runway in the embodiment of the application is as follows: the rubber runway layer 1 covers the reinforced concrete prefabricated cover plate 32 above the drainage channel 3, so that a gap generated by the connection between the inner side of the rubber runway layer 1 and the reinforced concrete prefabricated cover plate 32 can be avoided, and a crack formed by the contraction of the connection part of the rubber runway layer 1 and the reinforced concrete prefabricated cover plate 32 due to temperature change is avoided.
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: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an asphalt foundation prevents track and field runway that ftractures which characterized in that: comprises a rubber runway layer (1), a base layer (2) and a drainage canal (3); the drainage ditch (3) is arranged on one side of the base layer (2), the drainage ditch (3) comprises a drainage groove (31), the drainage groove (31) is arranged on one side of the base layer (2), and a reinforced concrete prefabricated cover plate (32) for covering an opening of the drainage groove (31) is fixedly connected above the drainage groove (31); the upper surface of the reinforced concrete prefabricated cover plate (32) is provided with a first drainage hole (33), the rubber runway layer (1) is laid on the base layer (2) and the reinforced concrete prefabricated cover plate (32), a second drainage hole (12) is formed in the rubber runway layer (1), and the first drainage hole (33) is communicated with the second drainage hole (12).
2. The asphalt-based crack-resistant track-and-field runway according to claim 1, characterized in that: the foundation layer (2) of the track and field runway comprises an asphalt concrete layer (21), a 250mm thick graded gravel layer (22) and a plain soil layer (23); the asphalt concrete layer (21) is arranged below the rubber runway layer (1), and the asphalt concrete layer (21) is tightly attached to the rubber runway layer (1); the 250mm thick graded gravel layer (22) is arranged below the asphalt concrete layer (21), and the plain soil layer (23) is arranged below the 250mm thick graded gravel layer (22).
3. The asphalt-based crack-resistant track-and-field runway according to claim 2, characterized in that: the asphalt concrete layer (21) extends to the upper part of the reinforced concrete prefabricated cover plate (32) and covers the reinforced concrete prefabricated cover plate (32).
4. The asphalt-based crack-resistant track-and-field runway according to claim 3, characterized in that: the asphalt concrete layer (21) comprises a fine particle type asphalt concrete layer (211) with the thickness of 30mm and a medium particle type asphalt concrete layer (212) with the thickness of 50 mm; the 30mm thick and fine particle type asphalt concrete layer (211) is arranged above the 50mm thick and medium particle type asphalt concrete layer (212), the 30mm thick and fine particle type asphalt concrete layer (211) is in contact with the rubber runway layer (1), and the 30mm thick and fine particle type asphalt concrete layer (211) is tightly attached to the 50mm thick and medium particle type asphalt concrete layer (212).
5. The asphalt-based crack-resistant track-and-field runway according to claim 4, characterized in that: and a cement stabilizing layer (24) is arranged above the 250mm thick graded gravel layer (22).
6. The asphalt-based crack-resistant track-and-field runway according to claim 5, characterized in that: and an emulsified asphalt oil-permeable layer (25) is arranged below the 50 mm-thick medium-grain asphalt concrete layer (212).
7. The asphalt-based crack-resistant track for an athletic field according to claim 6, wherein: and a geotextile grid (26) is laid between the asphalt foundation oil permeable layer and the cement stabilizing layer (24).
8. The asphalt-based crack-resistant track-and-field runway according to claim 7, characterized in that: and a glass fiber anti-cracking net (27) is arranged between the rubber runway layer (1) and the fine particle type asphalt concrete layer (211) with the thickness of 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123156445.3U CN216474336U (en) | 2021-12-15 | 2021-12-15 | Track and field runway with asphalt foundation capable of preventing cracking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123156445.3U CN216474336U (en) | 2021-12-15 | 2021-12-15 | Track and field runway with asphalt foundation capable of preventing cracking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216474336U true CN216474336U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123156445.3U Active CN216474336U (en) | 2021-12-15 | 2021-12-15 | Track and field runway with asphalt foundation capable of preventing cracking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216474336U (en) |
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2021
- 2021-12-15 CN CN202123156445.3U patent/CN216474336U/en active Active
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