CN215947772U

CN215947772U - Natural permeable quarrying paving structure for sponge city

Info

Publication number: CN215947772U
Application number: CN202120900247.4U
Authority: CN
Inventors: 杨心怡
Original assignee: Yantai Planning Design And Research Institute Co ltd
Current assignee: Yantai Planning Design And Research Institute Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2022-03-04
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses a natural permeable quarrying paving structure for a sponge city, which belongs to the technical field of sponge cities and comprises an original soil layer and a broken stone cushion layer, wherein the broken stone cushion layer is paved at the upper end of the original soil layer, a sand cushion layer is paved at the upper end of the broken stone cushion layer, a concrete layer is arranged at the upper end of the sand cushion layer, and a pitch layer is paved at the upper end of the concrete layer. The utility model adopts pervious concrete, so that rainwater can flow into the ground, the harm of oil compounds on the ground and the like to the environment can be effectively eliminated, the urban heat island effect is relieved, the surface layer is provided with a pervious asphalt pavement, and a compact impervious underlying layer is adopted, so that the rainwater on the road surface can be quickly drained from the interior, high anti-sliding resistance is provided, the effects of water floating, water splashing, water mist, glare and the like are reduced, the utility model has good noise reduction function and high-temperature stability, and the arranged bearing partition plate is provided with a plurality of drain holes, so that the infiltrated rainwater can be timely drained into a drainage ditch to be collected for secondary utilization.

Description

Natural permeable quarrying paving structure for sponge city

Technical Field

The utility model relates to the technical field of sponge cities, in particular to a natural permeable quarrying paving structure for a sponge city.

Background

The sponge city is a new generation of urban rainfall flood management concept, and means that the city has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, and can be called as a water elasticity city; the sponge city material is substantially applied, has the characteristics of excellent water seepage, compression resistance, wear resistance, skid resistance, environmental protection, attractive and colorful appearance, comfort, easy maintenance, sound absorption, noise reduction and the like, becomes a breathable town landscape pavement, effectively relieves the urban heat island effect, and ensures that the urban pavement does not generate heat any more.

Patent No. CN210797147U discloses natural quarrying structure that permeates water in sponge city, including the bituminous paving and the ordinary bituminous paving that permeate water, the bituminous paving that permeates water lays in the intermediate position and both sides of road, and ordinary bituminous paving lays between two bituminous paving that permeate water, ordinary bituminous paving sets up for the slope, has laid ordinary asphalt layer under the ordinary bituminous paving, has laid the bituminous layer that permeates water under the bituminous paving that permeates water, has laid pervious concrete under the bituminous layer that permeates water, has laid rubble basic unit under the concrete that permeates water, and the ground basic unit has been laid to rubble basic unit lower extreme, and this natural quarrying structure that permeates water in sponge city has increased bituminous paving's the bearing strength that permeates water, avoids the damage to bituminous paving that permeates water simultaneously through the rational distribution of bituminous paving and ordinary bituminous paving, has improved the durable usability of road that permeates water.

The sponge city natural permeable quarrying paving structure in the prior art has the following defects: 1. the two uppermost layers are made of asphalt as a main material, the temperature sensitivity is high, the strength is reduced in summer, if the control is not good, the pavement is softened and oiled or is subjected to shear crack damage, the asphalt material becomes brittle at low temperature, the pavement is cracked, the thickness of the asphalt film is insufficient, the binder is excessively aged, the adhesion of asphalt aggregates is lost in a freeze-thaw state, and the pavement is loosened; the contact area between the binder and air and sunlight is increased due to the large void ratio, so that the aging speed of the binder along with time is high, the durability is relatively poor, and the maintenance cost is high; 2. be provided with the drainage french drain in the middle of the rubble basic unit for there is great space in the middle of the whole road, and the pipeline of drainage french drain wholly bears great pressure, consequently great to the damage of drainage french drain, if the drainage french drain damages be not convenient for maintain and probably cause the road surface of certain degree to subside.

SUMMERY OF THE UTILITY MODEL

The utility model provides a natural permeable quarrying paving structure for a sponge city, which adopts permeable concrete to enable rainwater to flow underground, can effectively eliminate the harm of oil compounds and the like on the ground to the environmental pollution, relieves the urban heat island effect, is provided with a permeable asphalt pavement on the surface layer, and adopts a compact and waterproof subjacent layer, so that the rainwater on the road surface can be quickly drained from the interior, high anti-sliding resistance is provided, the effects of water floating, water splashing, water mist, glare and the like are reduced, and the natural permeable quarrying paving structure has good noise reduction function and high-temperature stability.

The specific technical scheme provided by the utility model is as follows:

the utility model provides a natural permeable quarrying paving structure for a sponge city, which comprises an original soil layer and a broken stone cushion layer, wherein the broken stone cushion layer is paved at the upper end of the original soil layer, a sand cushion layer is paved at the upper end of the broken stone cushion layer, a concrete layer is arranged at the upper end of the sand cushion layer, and an asphalt layer is paved at the upper end of the concrete layer.

Optionally, bearing partition plates are arranged at two ends of the road, and a plurality of drain holes are uniformly distributed on the bearing partition plates.

Optionally, the bearing division board outside is provided with the escape canal, and the escape canal upper end of telling is provided with the protective cover that permeates water, just the escape canal all is provided with two sets ofly and along the axis symmetric distribution of road with the protective cover that permeates water.

Optionally, the gravel cushion layer adopts well-graded gravel and gravel, the maximum particle size is not more than 50mm, the fine particle content is not more than 10%, and grass roots and garbage impurities are not contained.

Optionally, the sand cushion layer is made of medium sand, coarse sand, stone chips and pebbles which are good in gradation and hard in texture, the mud content is not more than 3%, and the maximum grain size is not more than 80 mm.

Optionally, the asphalt layer is a water-permeable asphalt pavement, the concrete layer is pervious concrete, and a plurality of reinforcing steel bars are uniformly arranged in the concrete layer.

The utility model has the following beneficial effects:

the embodiment of the utility model provides a natural permeable quarrying paving structure for a sponge city, which comprises the following steps:

1. the permeable concrete is adopted, so that rainwater can flow into the ground, the harm of oil compounds and the like on the ground to the environmental pollution can be effectively eliminated, the urban heat island effect is relieved, and the permeable asphalt pavement is arranged on the surface layer, so that rainwater on the road surface can be quickly drained from the interior, and the permeable concrete has a good noise reduction function and high-temperature stability; the bearing partition plate is provided with a plurality of drain holes, so that the permeated rainwater can be drained into the drain ditch in time and collected for secondary utilization.

2. A plurality of steel bars are uniformly arranged in the concrete layer, so that the strength and the supporting force of the concrete layer are increased, and the stability and the safety of a road are guaranteed; the broken stone cushion layer and the sand cushion layer are arranged on the original soil layer, and the foundation is prevented from being damaged and the settlement is reduced through layer-by-layer tamping, and the water drainage performance is better; the water-permeable protective cover arranged at the upper end of the drainage ditch ensures the safety of pedestrians and plays a role in collecting drainage water well.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a natural water permeable quarrying paving structure of a sponge city according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a bearing partition plate of a natural permeable quarrying paving structure of a sponge city according to an embodiment of the utility model.

In the figure: 1. a primary soil layer; 2. a gravel cushion layer; 3. a sand cushion layer; 4. a concrete layer; 5. an asphalt layer; 6. A load-bearing partition plate; 7. a drain hole; 8. a drainage ditch; 9. a permeable protecting cover; 10. and (5) reinforcing steel bars.

Detailed Description

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, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The natural water permeable quarrying paving structure of a sponge city according to the embodiment of the utility model will be described in detail with reference to fig. 1-2.

Referring to fig. 1 to 2, the natural water-permeable quarrying paving structure for the sponge city provided by the embodiment of the utility model comprises an original soil layer 1 and a gravel cushion layer 2, wherein the gravel cushion layer 2 is paved at the upper end of the original soil layer 1, a sand cushion layer 3 is paved at the upper end of the gravel cushion layer 2, a concrete layer 4 is arranged at the upper end of the sand cushion layer 3, and an asphalt layer 5 is paved at the upper end of the concrete layer 4.

The example, utilize a plurality of bed courses layer upon layer tamp of setting, ensured road foundation's stability, and utilize too big water permeability material, have better water permeability.

Referring to fig. 1, bearing partition plates 6 are arranged at both ends of a road, and a plurality of drain holes 7 are uniformly distributed on the bearing partition plates 6.

In the example, a plurality of drain holes 7 arranged on the bearing partition plate 6 can drain the seeped water into a drain 8 in time, so that the water resource can be recycled.

Referring to fig. 1, the outer side of the bearing partition plate 6 is provided with a drainage ditch 8, the upper end of the drainage ditch 8 is provided with a permeable protective cover 9, and the drainage ditch 8 and the permeable protective cover 9 are both provided with two sets and are symmetrically distributed along the central axis of the road.

In the example, the water permeable protective cover 9 is arranged on the drainage ditch 8, so that the safety of pedestrians is guaranteed, and the drainage collection function is well played.

As shown in figure 1, the gravel cushion layer 2 adopts well-graded gravel and gravel, has the maximum grain diameter of not more than 50mm, has the fine grain content of not more than 10 percent, and does not contain grass roots and garbage impurities.

In the example, the broken stone cushion layer 2 is utilized to improve the bearing capacity of the foundation bearing layer, adjust the stress of the foundation and protect the foundation.

Referring to fig. 1, the sand cushion 3 adopts medium sand, coarse sand, stone chips and pebbles with good gradation and hard texture, the mud content is not more than 3 percent, and the maximum grain diameter is not more than 80 mm.

In the example, the sand cushion layer is utilized to improve the bearing capacity of the foundation, and a good drainage effect is achieved.

Referring to fig. 1, the asphalt layer 5 is a water-permeable asphalt pavement, the concrete layer 4 is water-permeable concrete, and a plurality of steel bars 10 are uniformly arranged in the concrete layer 4.

In the example, a plurality of steel bars 10 are uniformly arranged in the concrete layer 4, so that the strength and the supporting force of the concrete layer 4 are increased, and the stability and the safety of a road are guaranteed.

The permeable concrete is adopted, so that rainwater can flow into the ground, the harm of oil compounds and the like on the ground to the environment can be effectively eliminated, the urban heat island effect is relieved, the permeable asphalt pavement is arranged on the surface layer, and the compact and waterproof subjacent layer is adopted, so that the rainwater on the road surface can be quickly drained from the interior, high anti-sliding resistance is provided, the effects of water drift, water splashing, water mist, glare and the like are reduced, and the good noise reduction function and high-temperature stability are realized; a plurality of drain holes 7 are formed in the arranged bearing partition plate 6, so that the permeated rainwater can be timely drained into a drain 8 to be collected for secondary utilization; a plurality of steel bars 10 are uniformly arranged in the concrete layer 4, so that the strength and the supporting force of the concrete layer 4 are increased, and the stability and the safety of a road are guaranteed; the reinforcing steel bar 10 and the concrete have good cohesive force, and a layer of passivation protective film is formed on the surface of the reinforcing steel bar 10 under an alkaline environment provided by calcium hydroxide in the concrete, so that the reinforcing steel bar 10 is not easy to corrode in neutral and acidic environments; the broken stone cushion layer 2 and the sand cushion layer 3 are arranged on the original soil layer 1, and the foundation is tamped layer by layer, the stress of the foundation is adjusted, the foundation is protected, the foundation is prevented from being damaged, the settlement is reduced, and the good drainage performance is realized; the water permeable protective cover 9 arranged at the upper end of the drainage ditch 8 not only ensures the safety of pedestrians, but also plays a good role in drainage collection; the asphalt layer 5 is laid on the uppermost layer, so that the daily overhaul and maintenance are facilitated, and the maintenance cost cannot be too high.

The utility model relates to a natural permeable quarrying paving structure for a sponge city, which comprises 1, an original soil layer; 2. a gravel cushion layer; 3. a sand cushion layer; 4. a concrete layer; 5. an asphalt layer; 6. a load-bearing partition plate; 7. a drain hole; 8. a drainage ditch; 9. a permeable protecting cover; 10. the reinforcing bars, the components are all universal standard parts or components known to those skilled in the art, the structure and the principle of which are known to those skilled in the art through technical manuals or through routine experimentation.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the utility model. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.

Claims

1. The utility model provides a natural stone quarrying structure of mating formation that permeates water in sponge city, includes former soil layer (1) and rubble bed course (2), its characterized in that, rubble bed course (2) have been laid to former soil layer (1) upper end, rubble bed course (2) upper end has been laid sand bed course (3), sand bed course (3) upper end is provided with concrete layer (4), asphalt layer (5) have been laid to concrete layer (4) upper end.

2. The natural permeable quarrying structure in sponge city according to claim 1, wherein the load bearing partition boards (6) are arranged at both ends of the road, and a plurality of drainage holes (7) are uniformly distributed on the load bearing partition boards (6).

3. The natural water permeable quarrying structure of sponge city according to claim 2, wherein a drainage ditch (8) is provided outside the bearing partition plate (6), a water permeable protecting cover (9) is provided on the upper end of the drainage ditch (8), and the drainage ditch (8) and the water permeable protecting cover (9) are provided in two sets and are symmetrically distributed along the central axis of the road.

4. The natural permeable quarrying paving structure in sponge city as claimed in claim 1, wherein said gravel cushion layer (2) is made of well graded gravel and gravel with maximum particle size not more than 50mm and fine particle content not more than 10%, and is free of grass roots and garbage impurities.

5. The natural permeable quarrying structure in sponge city according to claim 1, wherein said sand cushion layer (3) is made of medium sand, coarse sand, stone chips and pebbles with good gradation and hard texture, the mud content is not more than 3%, and the maximum grain size is not more than 80 mm.

6. The natural permeable quarrying structure in sponge city according to claim 1, wherein the asphalt layer (5) is a permeable asphalt pavement, the concrete layer (4) is permeable concrete, and a plurality of steel bars (10) are uniformly arranged in the concrete layer (4).