CN212865504U - Do benefit to park pavement structure of drainage - Google Patents
Do benefit to park pavement structure of drainage Download PDFInfo
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- CN212865504U CN212865504U CN202021561206.9U CN202021561206U CN212865504U CN 212865504 U CN212865504 U CN 212865504U CN 202021561206 U CN202021561206 U CN 202021561206U CN 212865504 U CN212865504 U CN 212865504U
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Abstract
The utility model discloses a park sidewalk structure beneficial to drainage, which comprises a sidewalk and curb stones laid on two sides of the sidewalk, wherein the sidewalk comprises a pavement base layer and a pavement surface layer laid on the pavement base layer, and the pavement surface layer has water permeability; the road edge stones extend along the length direction of the sidewalk, the road edge stones are prefabricated by pervious concrete, the tops of the road edge stones are not lower than the upper surface of the surface layer of the pavement, and the bottoms of the road edge stones are lower than the lower surface of the surface layer of the pavement, so that accumulated water in the surface layer of the pavement can be discharged through the road edge stones; and a ditch is further arranged on one side, away from the sidewalk, of the curbstone in an extending manner along the length direction of the curbstone. The utility model discloses can solve the difficult exhaust problem of infiltration in the pavement that permeates water.
Description
Technical Field
The utility model relates to a pavement technical field, concretely relates to do benefit to park pavement structure of drainage.
Background
The sidewalk of the existing urban park is generally paved by pervious concrete or pervious bricks, wherein the pervious concrete is also called porous concrete. The pervious concrete is a cellular structure with uniformly distributed pores formed by coating a thin layer of cement slurry on the surface of coarse aggregate and bonding the thin layer of cement slurry, so that the pervious concrete has the characteristics of air permeability, water permeability and light weight. Generally, curbstones are built on both sides of sidewalks, and the curbstones generally use natural stones or concrete precast blocks, which have little water permeability. When raining, rainwater permeates through the pervious concrete or the pervious bricks and permeates into the surface layer of the sidewalk, and the curbstones on the two sides of the sidewalk do not have water permeability, so that the surface layer of the sidewalk and the curbstones on the two sides form a water accumulation groove together, a large amount of water in the water accumulation groove is difficult to discharge in time, the phenomenon of pavement alkali resistance on the surface of the sidewalk is easily caused, the attractiveness of the sidewalk is further influenced, and the normal movable use of people can also be influenced.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: the utility model provides a do benefit to park pavement structure of drainage can solve the difficult discharged problem of infiltration in the pavement that permeates water.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a park sidewalk structure facilitating drainage comprises a sidewalk and curb stones built on two sides of the sidewalk, wherein the sidewalk comprises a pavement base layer and a pavement surface layer laid on the pavement base layer, and the pavement surface layer has water permeability; the road edge stones extend along the length direction of the sidewalk, the road edge stones are prefabricated by pervious concrete, the tops of the road edge stones are not lower than the upper surface of the surface layer of the pavement, and the bottoms of the road edge stones are lower than the lower surface of the surface layer of the pavement, so that accumulated water in the surface layer of the pavement can be discharged through the road edge stones; and a ditch is further arranged on one side, away from the sidewalk, of the curbstone in an extending manner along the length direction of the curbstone.
In the use of this park pavement, when raining, because the road surface top layer has the water permeability, and the road surface basic unit does not have the water permeability, consequently the rainwater is overstocked in the road surface top layer after permeating the road surface top layer, and in this scheme through adopting the permeable material with the curbstone of road surface top layer both sides to make, overstock like this in the road surface top layer water can see through the outside discharge of curbstone, at last through the ditch drainage away. Therefore, the seepage water in the pavement surface layer can not be accumulated for a long time, thereby avoiding the phenomenon that the pavement is easy to generate alkali reflection when dealing with rainy weather. Especially, the park pavement aimed at in this scheme is high backfill area, has certain settlement risk, consequently more should guarantee that the surface layer of road surface can not long-term ponding, avoids the too much stability that influences the road surface basic unit of infiltration to cause the phenomenon that pavement local settlement appears the fracture.
Preferably, the top of the road edge stone is flush with the upper surface of the surface layer of the road surface.
Therefore, the top of the road edge stone is flush with the upper surface of the surface layer of the pavement, namely both sides of the upper surface of the sidewalk are completely opened, so that redundant water on the sidewalk can be directly discharged from both sides of the sidewalk when heavy rain weather is met, and the drainage performance of the sidewalk is improved; and when people walk on the sidewalk, the curbstone can not obstruct the walking of passerby, and the top of the curbstone is flush with the upper surface of the surface layer of the pavement, so that the sidewalk looks more beautiful.
Preferably, the ditch is a grass planting ditch planted with vegetation, the top of the planting ditch is flush with the bottom of the surface layer of the pavement, and the bottom of the planting ditch is lower than the bottom of the curbstone; the cross section of grass planting ditch personally submits the arc, just the grass planting ditch is certain slope along the rivers direction.
Therefore, when the grass planting ditch is fine, no water is accumulated in the grass planting ditch, and the grass planting ditch is similar to a small grassland with a certain gradient and looks more beautiful and environment-friendly than a conventional ditch. When raining, part of water flow on the sidewalk directly flows into the outer grass planting ditch, accumulated water in the pavement surface layer also flows into the grass planting ditch through the curbstone, flowers and plants are planted in the grass planting ditch and can be absorbed and digested by the flowers and plants, part of water gradually slowly seeps, and the redundant water can be drained and guided along the water flow direction gradually through the slope in the grass planting ditch. Therefore, compared with the traditional drainage ditch, the grass planting ditch has the functions of drainage and diversion and is attractive and environment-friendly. The grass planting ditch can be arranged on both sides of the sidewalk in the scheme.
Preferably, a concrete protection platform formed by pouring fine stone concrete is arranged below the curbstone, the bottom of the curbstone is fixed on the concrete protection platform through seat grout, the bottom of the concrete protection platform is not higher than the bottom of the base course of the pavement, and the top of the concrete protection platform is lower than the bottom of the surface course of the pavement.
Therefore, as the road edge stones have water permeability, the concrete protection platforms are arranged at the bottoms of the road edge stones and provide mounting surfaces for the road edge stones, and the road edge stones are more stable; meanwhile, the concrete guard table is of a concrete structure and has self-waterproof performance, so that water permeating in the curb stones can flow into the grass planting ditch uniformly through the concrete guard table and cannot flow into the base layer below the concrete guard table, and the problem that the water permeating in the curb stones directly flows into the base layer of the pavement under the action of gravity to affect the stability of the sidewalk is avoided.
As optimization, the road surface basic unit is by lower supreme plain soil tamp layer, graded broken stone bed course and the cement stabilized broken stone basic unit of including in proper order, the hard cement mortar layer of doing has still been laid on the cement stabilized broken stone basic unit, the road surface top layer is laid through hard cement mortar layer of doing on the cement stabilized broken stone basic unit.
Like this, in order to strengthen the closely knit degree of soil layer, carry out the dynamic compaction to plain soil, form the bottom of road surface basic unit, then through laying graded broken stone bed course and cement stabilization broken stone basic unit to it is equipped with the dry and hard cement mortar layer to lay on cement stabilization broken stone basic unit, forms the tie layer, and the road surface top layer is changeed like this and is closed into a whole with the road surface basic unit.
Preferably, the surface layer of the road edge stone is sprayed with granite-like particles.
Therefore, the surface of the road edge stone is sprayed with the granite-like particles, so that the water permeability of the road edge stone is ensured, and the attractiveness of the road edge stone is also continued.
Preferably, the pavement surface layer is formed by paving any one of permeable asphalt, permeable concrete or permeable bricks.
Therefore, the pavement surface layer can be made of any one of permeable asphalt, permeable concrete or permeable bricks, the permeability of the pavement is all met, and the material selection range of the sidewalk is wider.
Preferably, the depth of the grass planting ditch is 300 mm.
To sum up, the beneficial effects of the utility model reside in that: in the pavement structure of this scheme, adopt the permeable material to make through the curbstone with road surface layer both sides, the water of overstock in the road surface layer can see through curbstone and outwards discharge like this, drains away through the ditch at last. Therefore, the seepage water in the pavement surface layer can not be accumulated for a long time, thereby avoiding the phenomenon that the pavement is easy to generate alkali reflection when dealing with rainy weather.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Reference numerals in the drawings of the specification include: the concrete pavement comprises a pavement surface layer 1, curbstones 2, grass planting ditches 3, concrete guardrails 4, a plain soil tamped layer 5, a graded broken stone cushion layer 6 and a cement stabilized broken stone base layer 7.
In the present embodiment, a park sidewalk structure facilitating drainage, as shown in fig. 1, includes a sidewalk and curbstones 2 built on two sides of the sidewalk, where the sidewalk includes a road base layer and a road surface layer 1 laid on the road base layer, and the road surface layer 1 has water permeability; the curbstone 2 extends along the length direction of the sidewalk, the curbstone 2 is prefabricated by pervious concrete, the top of the curbstone 2 is not lower than the upper surface of the pavement surface layer 1, and the bottom of the curbstone is lower than the pavement surface layer 1, so that accumulated water in the pavement surface layer 1 can be discharged through the curbstone 2; and a ditch is further arranged on one side, away from the sidewalk, of the road edge stone 2 in an extending manner along the length direction of the road edge stone.
In the use of this park pavement, when raining, because road surface layer 1 has the water permeability, and the road surface basic unit does not have the water permeability, consequently the rainwater is overstocked in road surface layer 1 after permeating road surface layer 1, and in this scheme through adopting the permeable material with the curbstone 2 of road surface layer 1 both sides to make, the water of overstock in road surface layer 1 like this can permeate through curbstone 2 and outwards discharge, at last discharges away through the ditch. Therefore, the water seepage in the pavement surface layer 1 can not be accumulated for a long time, and the phenomenon that the pavement is easy to generate alkali resistance when the pavement is used in rainy days is avoided. Especially, the park pavement aimed at in this scheme is a high backfill area, and has certain settlement risk, so more guarantee that surface layer 1 can not long-term ponding, avoid the stability that the infiltration is too much and influence the road surface basic unit to cause the phenomenon that partial settlement of pavement appears the fracture.
In a particular embodiment, the top of the kerb 2 is flush with the upper surface of the pavement surface 1.
Therefore, the top of the road edge stone 2 is flush with the upper surface of the pavement surface layer 1, namely both sides of the upper surface of the sidewalk are completely opened, so that when heavy rain weather is met, redundant water on the sidewalk can be directly discharged from both sides of the sidewalk, and the drainage performance of the sidewalk is improved; and when people walk on the sidewalk, the curbstone 2 can not obstruct the walking of passerby, and the top of the curbstone 2 is flush with the upper surface of the pavement surface layer 1, so that the sidewalk looks more beautiful.
In a specific embodiment, the ditch is a grass planting ditch 3 planted with vegetation, the top of the planting ditch is flush with the bottom of the pavement surface layer 1, and the bottom of the planting ditch is lower than the bottom of the curbstone 2; the cross section of the grass planting ditch 3 is arc-shaped, and the grass planting ditch 3 is at a certain gradient along the water flow direction.
Like this, when fine the day, can not have ponding in the grass planting ditch 3, be similar to the little meadow that has certain slope, seem more pleasing to the eye and environmental protection than conventional ditch. When raining, part of water flow on the sidewalk directly flows into the grass planting ditch 3 on the outer side, accumulated water in the surface layer 1 of the pavement also flows into the grass planting ditch 3 through the curbstone 2, flowers and plants are planted in the grass planting ditch 3, the flowers and the plants can absorb and digest the water, part of the water gradually and slowly seeps downwards, and the redundant water can be drained and guided along the water flow direction gradually through the slope in the grass planting ditch 3. Therefore, compared with the traditional drainage ditch, the grass planting ditch 3 has the functions of drainage and diversion and is attractive and environment-friendly. The grass planting ditches 3 can be arranged on both sides of the sidewalk in the scheme.
In a specific embodiment, a concrete protection platform 4 formed by pouring fine stone concrete is arranged below the road edge stones 2, the bottoms of the road edge stones 2 are fixed on the concrete protection platform 4 through setting grout, the bottoms of the concrete protection platforms 4 are not higher than the bottoms of the base layers of the road surfaces, and the tops of the concrete protection platforms are lower than the bottoms of the surface layers of the road surfaces.
Thus, because the road edge stones 2 have water permeability, the concrete protection platforms 4 are arranged at the bottoms of the road edge stones 2, the concrete protection platforms 4 provide mounting surfaces for the road edge stones 2, and the road edge stones 2 are more stable; meanwhile, the concrete guard table 4 is of a concrete structure and has self-waterproof performance, so that water permeating in the road edge stones 2 can flow into the grass planting ditches 3 through the concrete guard table 4 and cannot flow into the base layer below the concrete guard table 4, and the problem that the water permeating in the road edge stones 2 directly flows into the base layer of the pavement under the action of gravity to affect the stability of the sidewalk is avoided.
In a specific embodiment, the road surface base layer sequentially comprises a plain soil compaction layer 5, a graded broken stone cushion layer 6 and a cement stabilized broken stone base layer 7 from bottom to top, a dry and hard cement mortar layer is further laid on the cement stabilized broken stone base layer 7, and the road surface layer 1 is laid on the cement stabilized broken stone base layer 7 through the dry and hard cement mortar layer.
Like this, in order to strengthen the closely knit degree of soil layer, carry out the dynamic compaction to plain soil, form the bottom of road surface basic unit, then through laying graded broken stone bed course 6 and cement stabilization broken stone basic unit 7 to lay the hard cement mortar layer of doing on cement stabilization broken stone basic unit, form the adhesion layer, the road surface top layer is changeed like this and is closed into a whole with the road surface basic unit.
In a specific embodiment, the surface layer of the kerbstone 2 is sprayed with granite-like particles.
Like this, the surface spraying of curbstone 2 has imitative granite granule, has both guaranteed the water permeability of curbstone 2, has also continued the aesthetic property of curbstone 2.
In a specific embodiment, the pavement surface layer 1 is formed by paving any one of pervious asphalt, pervious concrete or pervious bricks.
Therefore, the pavement surface layer 1 can be made of any one of permeable asphalt, permeable concrete or permeable bricks, the permeability of the pavement is all met, and the material selection range of the sidewalk is wider. In the scheme, the pavement surface layer 1 in the attached drawing 1 is paved by permeable asphalt, an upper layer and a lower layer are paved together, and the upper layer and the lower layer are respectively a colored permeable asphalt mixture and modified medium-grain type densely-distributed asphalt concrete, which is also a conventional permeable asphalt configuration mode in sidewalk construction.
In the specific implementation process, the depth of the grass planting ditch 3 is 300 mm.
Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A park sidewalk structure facilitating drainage comprises a sidewalk and curb stones built on two sides of the sidewalk, wherein the sidewalk comprises a pavement base layer and a pavement surface layer laid on the pavement base layer, and the pavement surface layer has water permeability; curbstone extends along pavement length direction and sets up its characterized in that: the road edge stones are prefabricated by pervious concrete, the top parts of the road edge stones are not lower than the upper surface of the surface layer of the road surface, and the bottom parts of the road edge stones are lower than the lower part of the surface layer of the road surface, so that accumulated water in the surface layer of the road surface can be drained through the road edge stones; and a ditch is further arranged on one side, away from the sidewalk, of the curbstone in an extending manner along the length direction of the curbstone.
2. A park walkway structure for facilitating drainage as set forth in claim 1, wherein: the top of the road edge stone is flush with the upper surface of the surface layer of the road surface.
3. A park walkway structure for facilitating drainage as set forth in claim 2, wherein: the ditch is a grass planting ditch planted with vegetation, the top of the grass planting ditch is flush with the bottom of the surface layer of the pavement, and the bottom of the grass planting ditch is lower than the bottom of the curbstone; the cross section of grass planting ditch personally submits the arc, just the grass planting ditch is certain slope along the rivers direction.
4. A park walkway structure for facilitating drainage as set forth in claim 2, wherein: a concrete protection platform formed by pouring fine stone concrete is arranged below the curbstone, the bottom of the curbstone is fixed on the concrete protection platform through seat grout, the bottom of the concrete protection platform is not higher than the bottom of the pavement base layer, and the top of the concrete protection platform is lower than the bottom of the pavement surface layer.
5. A park walkway structure for facilitating drainage as set forth in claim 1, wherein: the road surface basic unit is by supreme plain soil tamp layer, the graded broken stone bed course of including in proper order and cement stabilized broken stone basic unit down, the hard cement mortar layer of doing has still been laid on the cement stabilized broken stone basic unit, the road surface top layer is laid through hard cement mortar layer of doing on the cement stabilized broken stone basic unit.
6. A park walkway structure for facilitating drainage as set forth in claim 1, wherein: the surface layer of the curbstone is sprayed with granite-like particles.
7. A park walkway structure for facilitating drainage as set forth in claim 1, wherein: the surface layer of the pavement is formed by paving any one of permeable asphalt, permeable concrete or permeable bricks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021561206.9U CN212865504U (en) | 2020-07-31 | 2020-07-31 | Do benefit to park pavement structure of drainage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021561206.9U CN212865504U (en) | 2020-07-31 | 2020-07-31 | Do benefit to park pavement structure of drainage |
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| Publication Number | Publication Date |
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| CN212865504U true CN212865504U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021561206.9U Active CN212865504U (en) | 2020-07-31 | 2020-07-31 | Do benefit to park pavement structure of drainage |
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| CN (1) | CN212865504U (en) |
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