CN214005305U

CN214005305U - Permeable ground structure

Info

Publication number: CN214005305U
Application number: CN202022873983.3U
Authority: CN
Inventors: 谭春晖; 苏昶; 潘嘉凝; 贾京; 龚娅; 陈飞; 孟行南; 姜海清
Original assignee: Shanghai Architectural Design and Research Institute Co Ltd
Current assignee: Shanghai Architectural Design and Research Institute Co Ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-08-20
Anticipated expiration: 2030-12-02

Abstract

The utility model provides a ground structure permeates water, include: the reinforced concrete road surface layer comprises a plain soil tamping layer, a gravel layer, a reinforced concrete layer and a surface layer which are sequentially stacked from bottom to top, wherein water permeable holes are formed in the reinforced concrete layer, and water permeable materials are filled in the water permeable holes. The utility model discloses seted up a plurality of holes of permeating water in the reinforced concrete in situ, the rainwater can in time infiltrate down through the hole of permeating water when rainy day, avoids the rainwater to assemble to the realization can realize that the road surface permeates water in the region that needs bearing load such as fire control lane, freight transportation passageway.

Description

Permeable ground structure

Technical Field

The utility model relates to an architectural design technical field especially relates to a ground structure permeates water.

Background

The sponge city is a new generation city flood management idea, and the main idea is that the city needs to elastically cope with flood disasters caused by rainwater, namely, the city underlying surface can be ensured to fully absorb, accumulate, permeate and purify the rainwater, and the accumulated water can be released to be fully utilized when needed. Along with the popularization of sponge city theory, the control of rainwater receives more and more attention, and the rewet of rainwater is important in the middle of the sponge city engineering, if the rainwater can not permeate on the spot, must form the rainwater and assemble, increases the burden of municipal rainwater pipe network, arouses urban waterlogging easily. The permeable pavement is an important component of a sponge city and can play a role in scientifically and effectively discharging and storing rainwater. The permeable pavement is to apply the material with good permeable and higher porosity to the pavement surface layer, so that the rainwater can smoothly enter the pavement structure and permeate into the soil on the premise of ensuring certain pavement strength and durability, thereby achieving the purpose of reducing the groundwater by the rainwater, reducing the surface runoff and the like.

The design idea of permeable pavement is that the permeable material is generally applied to each structural layer, so that rainwater can smoothly permeate through each structural layer of a road and timely seep downwards, each structural layer needs to meet a certain porosity, and a conventional structural layer cannot be adopted, so that the bearing capacity of the permeable pavement structure is reduced, and therefore, the permeable pavement is mainly applied to occasions with low requirements on the bearing capacity of pavements, squares, parking lots and the like. However, in areas such as fire fighting lanes and freight transportation channels, the dense structure of the bearing layer cannot realize water permeability, so that the water permeability effect is difficult to realize in areas such as fire fighting lanes and freight transportation channels.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ground structure permeates water has seted up a plurality of holes of permeating water in the reinforced concrete in situ, and the rainwater can in time infiltrate down through the hole of permeating water when rainy day, avoids the rainwater to assemble to the realization can realize permeating water on the road surface in the region that needs bearing load such as fire control lane, freight transportation passageway.

In order to achieve the above object, the utility model provides a ground structure permeates water, include:

the soil compacting layer, the gravel layer, the reinforced concrete layer and the surface layer are stacked in sequence from bottom to top, wherein a plurality of water permeable holes are formed in the reinforced concrete layer, and water permeable materials are filled in the water permeable holes.

Optionally, a plurality of the water permeable holes are arranged in an array.

Optionally, the distance between the horizontally adjacent water permeable holes is equal, and the distance between the longitudinally adjacent water permeable holes is equal.

Optionally, the distance between the horizontally adjacent water permeable holes and the distance between the longitudinally adjacent water permeable holes are not less than 1 m.

Optionally, the reinforced concrete layer is provided with a steel bar, and the steel bar is positioned outside the water permeable hole.

Optionally, the diameter of the water permeable hole is 100 mm.

Optionally, the thickness of the reinforced concrete layer is 200 mm.

Optionally, the water permeable material is asphalt concrete, and the particle size of particles in the asphalt concrete is 25-40 mm.

Optionally, the surface course includes asphalt concrete layer and sticky stone layer, asphalt concrete layer is laid on the reinforced concrete layer, sticky stone layer is laid on the asphalt concrete layer.

Optionally, the thickness of the sticky stone layer is 30 mm.

The utility model provides a permeable ground structure, which comprises a plain soil compaction layer, a gravel layer, a reinforced concrete layer and a surface layer which are stacked in sequence from bottom to top, wherein the reinforced concrete layer is used as a bearing layer and can bear heavier objects; the plurality of water permeable holes are formed in the reinforced concrete layer, so that rainwater can timely permeate through the plurality of water permeable holes in rainy days, and the rainwater is prevented from being gathered; and it has permeable material to fill in the hole of permeating water, lay back on reinforced concrete layer at the surface course, if not fill material in the hole of permeating water, the material of surface course is probably filled in the hole of permeating water, blocks up the hole of permeating water, and when the ground needs to bear heavier object, probably cause the damage to the surface course, consequently need all fill permeable material in a plurality of holes of permeating water, permeable material is for guaranteeing the water permeability, and the permeable material of packing can the supporting surface course.

Drawings

Fig. 1 is a schematic structural view of a permeable ground structure according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating distribution of a plurality of water permeable holes in a water permeable floor structure according to an embodiment of the present invention;

wherein the reference numerals are:

10-rammed plain soil layer; 20-a crushed stone layer; 30-reinforced concrete layer; 40-surface layer; 41-asphalt concrete layer; 42-a gummy stone layer; 50-water permeable holes.

Detailed Description

The following description of the embodiments of the present invention will be described in more detail with reference to the drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

Fig. 1 is a schematic structural view of the permeable ground structure provided in this embodiment, and fig. 2 is a schematic distribution view of a plurality of permeable holes in the permeable ground structure provided in this embodiment. The embodiment provides a permeable ground structure, which is characterized in that a plurality of permeable holes are formed in a reinforced concrete layer, rainwater can timely permeate downwards through the permeable holes in rainy days, and the rainwater is prevented from gathering, so that the water permeation of the pavement can be realized in the areas needing load bearing such as fire fighting lanes and freight transport channels. Referring to fig. 1, the permeable ground structure includes: the rammed earth surface layer comprises a rammed earth layer 10, a gravel layer 20, a reinforced concrete layer 30 and a surface layer 40 which are sequentially stacked from bottom to top. The plain soil rammed layer 10 is a foundation of road engineering, the strength and stability of the plain soil rammed layer directly affect the service life and the quality of a road surface, the plain soil rammed layer 10 is formed by ramming and filling soil which is not doped with other impurities in a natural deposited soil layer and has fine and uniform density layer by layer, and the thickness of plain soil laying is generally required to be not more than 250 mm.

The rubble layer 20 is as the bed course, is located between plain soil tamped layer 10 and reinforced concrete layer 30, rubble layer 20 directly contacts with plain soil tamped layer 10, and its function is to improve the humidity and the temperature situation of plain soil tamped layer 10, guarantees that the intensity, rigidity and the stability of surface course 40 and reinforced concrete layer 30 are not influenced by the soil matrix, and the rubble layer 20 can also further diffuse the load stress that reinforced concrete layer 30 passed down simultaneously to reduce plain soil tamped layer 10 top surface compressive stress and vertical deformation's effect. The gravel layer 20 is a fixed pavement structure layer and is prepared by doping a plurality of gravels and stone chips with different particle sizes, wherein the coarse, medium and small gravel aggregates, the stone chips and the like are matched according to a certain proportion so as to meet the requirements. The gravel layer 20 has good permeable and diffusion stress and bearing transition effects, is wide in material source, can be obtained from local materials, is convenient for processing raw materials and mixture, and is easy for mechanical paving operation, so that the gravel layer 20 is widely applied to building high-grade highway pavement cushions to enhance the strength of the pavement structure, the gravel layer 20 can also take the drainage function of the pavement structure into consideration, and the thickness of the gravel layer 20 is generally 15 cm-20 cm.

The reinforced concrete layer 30 is used as a base layer below the surface layer 40, and is mainly used for bearing the traffic load. Reinforced concrete refers to a composite material formed by adding reinforcing mesh, steel plate or fiber to concrete and working together with it to improve the mechanical properties of concrete. The concrete is a mixture of cement and aggregate, and the long steel bars which are longitudinally and transversely arranged are arranged in the concrete so as to improve the bearing capacity of the concrete and form the reinforced concrete. Therefore, the reinforced concrete layer 30 is provided with the steel bars, the reinforced concrete layer 30 is used as a bearing layer, and in order to ensure the bearing strength of the reinforced concrete layer 30, the bearing of the reinforced concrete layer 30 is generally required to reach 35KN/M2, and 35KN/M2 means the weight of 3.5 tons of load per square meter. In the present embodiment, the thickness of the reinforced concrete layer 30 is 200mm to satisfy the load requirement, but is not limited to this thickness, and the thickness of the reinforced concrete layer 30 depends on the actual situation.

Set up a plurality of holes 50 of permeating water in reinforced concrete layer 30, the rainwater can see through surface course 40 when rainy day, then in time infiltrates through a plurality of holes 50 of permeating water, infiltrates to underground soil layer and becomes groundwater to avoid the rainwater to assemble. In order to facilitate later-stage drilling, the position of the drilled hole does not conflict with the position of the steel bar, and the plurality of water-permeable holes 50 are required to be formed to avoid the position of the steel bar in the reinforced concrete layer 30, namely the steel bar is positioned outside the water-permeable holes 50; specifically, before reinforced concrete layer 30 is integrally cast, adopt the die of customization to avoid the occupy-place of reinforcing bar, reserve the position for the place that needs drilling, then pour at reinforced concrete layer 30 after drilling in the position department of reserving, even the reinforcing bar is located outside the hole 50 that permeates water. In the present embodiment, the diameter of the water holes 50 is 100mm, but not limited to this diameter, and the diameter of the water holes 50 is determined according to the actual situation.

All pack the material that permeates water in a plurality of holes 50 that permeate water, lay back on reinforced concrete layer 30 at surface course 40, if do not fill the material in the hole 50 that permeates water, the material of surface course 40 is probably filled in the hole 50 that permeates water, block up the hole 50 that permeates water, and when the ground needs to bear heavier object, probably cause the damage to surface course 40, consequently, need all pack the material that permeates water in a plurality of holes 50 that permeate water, the material that permeates water guarantees the water permeability on the one hand, the material that permeates water that on the other hand was filled can support surface course 40, when avoiding bearing heavier object, produce the damage to surface course 40. In this embodiment, the permeable material is coarse asphalt concrete, but is not limited to this, and the specific permeable material is determined according to the actual situation. The asphalt concrete is a mixture prepared by mixing broken stone, crushed gravel, stone chips, sand or mineral powder and the like according to a certain proportion under the strictly controlled condition, and can be divided into coarse grains, medium grains, fine grains, sand grains and the like according to different maximum particle sizes of the mixture, wherein the particle size of the particles in the general coarse grain type asphalt concrete is 25-40 mm, and the coarse grain type asphalt concrete can better enable rainwater to permeate through, so that the supporting force is ensured, and the water permeability is also ensured.

Referring to fig. 2, in the present embodiment, the water permeable holes 50 are arranged in an array, and the water permeable holes 50 arranged in an array are formed by using a customized mold to avoid occupying the reinforced concrete before the reinforced concrete layer is integrally cast, so as to reserve the positions of the water permeable holes 50 arranged in an array. The spacing between horizontally adjacent water permeable holes 50 is equal, the spacing between longitudinally adjacent water permeable holes 50 is also equal, and the evenly distributed water permeable holes 50 enable the ground to be permeable more evenly. In fig. 2, the distance between the horizontally adjacent water permeable holes 50 and the distance between the longitudinally adjacent water permeable holes 50 are d1, in this embodiment, d1 is greater than or equal to 1m, and the distance between the horizontally adjacent water permeable holes 50 and the distance between the longitudinally adjacent water permeable holes 50 are too small to weaken the bearing capacity of the reinforced concrete layer, so the distance should not be less than 1 m. In this embodiment, the plurality of water permeable holes 50 are arranged in an array, but not limited to this distribution, and some water permeable holes 50 may be distributed in a plurality of places such as a low-lying place where rainwater is easily gathered, so as to facilitate rapid infiltration of rainwater, and the specific distribution is determined according to actual conditions.

Further, referring to fig. 1, the surface layer 40 is the uppermost layer of the ground structure, and directly receives the vertical force, horizontal force and vibration impact force of the traffic load, and is directly influenced by natural factors such as atmospheric precipitation, temperature and humidity changes, and the like. Therefore, the surface layer 40 should have higher strength, deformation resistance, better temperature stability, and good flatness, surface slip resistance, and abrasion resistance compared to other layers. In addition, the surface layer 40 also needs to have good water permeability, i.e., the porosity of the surface layer 40 is required to be about 15% to 20%. In this embodiment, the surface layer 40 includes an asphalt concrete layer 41 and a mastic stone layer 42, the asphalt concrete layer 41 is laid on the reinforced concrete layer, and the mastic stone layer 42 is laid on the asphalt concrete layer 41. In the present embodiment, the asphalt concrete layer 41 is a coarse-grained asphalt concrete layer 41, and the particles in the coarse-grained asphalt concrete are generally 25mm to 40mm in particle size, and the coarse-grained asphalt concrete can preferably allow rainwater to permeate therethrough. When the asphalt concrete layer 41 is laid, since the permeable material filling the permeable holes 50 is asphalt concrete in this embodiment, the permeable holes 50 can be filled in one step when the asphalt concrete layer 41 is laid. The adhesive stone layer 42 is made of stones and modified epoxy resin adhesive through a special process, the adhesive stone layer 42 can prevent water from accumulating, rainwater can rapidly permeate underground during precipitation, and the adhesive stone layer has a good anti-slip function, is environment-friendly, non-toxic, non-radiation and free of environmental pollution. In the present embodiment, the thickness of the adhesive stone layer 42 is 30mm, but is not limited to this thickness, and the thickness of the adhesive stone layer 42 is determined according to the actual situation.

In summary, the permeable ground structure provided by the utility model comprises a rammed earth layer, a gravel layer, a reinforced concrete layer and a surface layer which are stacked in sequence from bottom to top, wherein the reinforced concrete layer is used as a bearing layer and can bear heavier objects; the plurality of water permeable holes are formed in the reinforced concrete layer, so that rainwater can timely permeate through the plurality of water permeable holes in rainy days, and the rainwater is prevented from being gathered; the bearing capacity of the reinforced concrete layer as a bearing layer is ensured by controlling the distance between the permeable holes; fill permeable material in the hole of permeating water, lay back on reinforced concrete layer at the surface course, if not filling material in the hole of permeating water, the material of surface course is probably filled in the hole of permeating water, blocks up the hole of permeating water to when the surface needs to bear heavier object, probably cause the damage to the surface course, consequently need all to be filled permeable material in a plurality of holes of permeating water, permeable material is for guaranteeing the water permeability, and the permeable material of packing can the supporting surface layer.

The above description is only for the preferred embodiment of the present invention, and does not limit the present invention. Any technical personnel who belongs to the technical field, in the scope that does not deviate from the technical scheme of the utility model, to the technical scheme and the technical content that the utility model discloses expose do the change such as the equivalent replacement of any form or modification, all belong to the content that does not break away from the technical scheme of the utility model, still belong to within the scope of protection of the utility model.

Claims

1. A permeable floor construction comprising: the soil compacting layer, the gravel layer, the reinforced concrete layer and the surface layer are stacked in sequence from bottom to top, wherein a plurality of water permeable holes are formed in the reinforced concrete layer, and water permeable materials are filled in the water permeable holes.

2. The permeable floor structure of claim 1, wherein the plurality of permeable pores are arranged in an array.

3. The permeable floor structure of claim 2, wherein the spacing between horizontally adjacent permeable holes is equal and the spacing between longitudinally adjacent permeable holes is equal.

4. The permeable floor structure of claim 3, wherein the spacing between horizontally adjacent permeable holes and the spacing between longitudinally adjacent permeable holes are not less than 1 m.

5. The permeable floor structure of claim 1, wherein the reinforced concrete layer has reinforcing bars therein, the reinforcing bars being positioned outside the permeable holes.

6. The permeable floor structure of claim 1, wherein the permeable pores have a diameter of 100 mm.

7. The permeable floor structure of claim 1, wherein the reinforced concrete layer has a thickness of 200 mm.

8. The permeable floor structure of claim 1, wherein the permeable material is asphalt concrete, and the granules in the asphalt concrete have a particle size of 25mm to 40 mm.

9. The permeable floor structure of claim 1, wherein the facing layer comprises an asphalt concrete layer and a mastic layer, the asphalt concrete layer being laid on the reinforced concrete layer, the mastic layer being laid on the asphalt concrete layer.

10. The permeable floor construction of claim 9, wherein the thickness of the mastic stone layer is 30 mm.