Municipal works road laying structure
Technical Field
The utility model belongs to the technical field of the municipal construction, concretely relates to municipal works road laying structure.
Background
In the prior art, municipal works refer to municipal facility construction works, municipal facilities in China refer to various buildings, structures, equipment and the like which are arranged in planning and construction ranges of urban areas and towns and provide paid or unpaid public products and services for residents based on government responsibilities and obligations, and various public infrastructure constructions matched with urban lives belong to the municipal engineering categories, such as common urban roads, bridges and subways, such as various pipelines closely related to life: the construction of rainwater, sewage, water supply, reclaimed water, electric power, telecommunication, heating power, gas and the like, square, urban greening and the like belongs to the municipal engineering category, municipal roads are urban blood vessels and are a very important part in cities, and the urban ground coverage rate is higher and higher along with the improvement of urban construction and road networks.
For the convenience of people's life, some cables and water pipes can often be buried underground below urban roads, present part road is for carrying out the protection of cable, some can adopt impervious road surface to protect the cable, but often can lead to the road surface to have a large amount of ponding, the part often can lead to the rainwater infiltration that possesses the drainage effect the road surface, lead to rainwater to corrode the cable easily, be convenient for the drainage in order to make things convenient for life, some drain pipes can be buried underground under the road, but present most road paving structure is difficult to play effectual protection to the water pipe, the vehicle leads to the fact the fracture of water pipe easily when going on the road.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a municipal works road laying structure, the road surface that aims at solving among the prior art has a large amount of ponding, and the rainwater corrodes underground cable easily, and the drain pipe is buried underground under the road, and most road laying structure is difficult to play the problem of effective protection to the water pipe.
In order to achieve the above object, the utility model provides a following technical scheme:
a municipal engineering road laying structure comprises a soil layer and a surface layer, wherein the soil layer is positioned at the lower side of the surface layer, waterproof concrete, a waterproof layer, a first permeable layer and a cushion layer are sequentially paved between the soil layer and the surface layer from bottom to top, a geogrid is arranged between the first permeable layer and the cushion layer, three protection rings are arranged at the upper end of the waterproof concrete and positioned in the waterproof layer, protection ribs are arranged on the outer sides of the three protection rings, the lower ends of the three protection ribs penetrate through the waterproof concrete, and the lower extreme of three protection muscle all inserts to the soil layer in, be provided with three drainage blind pipe in the first permeable stratum, it is three the drainage blind pipe is located the upside of three guard circle respectively, it is three the surface of drainage blind pipe all is provided with geotechnological cloth, it is three the right-hand member of drainage blind pipe sets up water drainage tank, water drainage tank is located the upside of guard circle.
In order to make the drainage once more that can be better, as the utility model relates to an optimal scheme, per two all be provided with second permeable bed, two between the protection muscle the second permeable bed is from last to running through waterproof layer and waterproof concrete down in proper order, two the second permeable bed is located waterproof layer and waterproof concrete, two the upper and lower both ends of second permeable bed are linked together with first permeable bed and soil layer respectively.
In order to avoid different materials to mix and cause the influence to road structure, conduct the utility model relates to an optimal scheme, two the second permeable bed is provided with the same geogrid with waterproof layer and waterproof concrete junction.
Mix between in order to prevent waterproof layer and the first permeable bed, conduct the utility model relates to an optimal scheme, be provided with the same geogrid between first permeable bed and the waterproof layer.
In order to reduce the construction cost, as the utility model relates to a preferred scheme, the bed course divide into upper and lower two-layer.
In order to make a large amount of rivers discharge in the water drainage tank, as the utility model relates to an optimal scheme, the upper end of water drainage tank is fixed with the apron, the upper end of apron is dug there is the through-hole.
Compared with the prior art, the beneficial effects of the utility model are that:
1. digging a foundation pit, leveling a soil layer, pouring waterproof concrete, reserving certain intervals among the waterproof concrete to enable a second permeable layer to be filled, installing a protective ring on the waterproof concrete to enable the protective ring to be fixed on the waterproof concrete, inserting a water pipe or a cable into the inner side of the protective ring, inserting protective ribs downwards around the protective ring to enable the protective ribs to be inserted into the soil layer, vertically placing a template at a position where the distance is reserved between the waterproof concrete, wherein the template is higher than the waterproof layer, paving a waterproof layer on the waterproof concrete, compacting the waterproof layer, not filling the waterproof layer in the template, placing a geogrid in the template after filling the waterproof layer, filling the second permeable layer into the template, compacting after filling, drawing out the template, arranging the geogrid on the waterproof layer, and filling the first permeable layer, fixing geotextile on the drainage blind pipe, placing the drainage blind pipe on a first permeable layer after the first permeable layer is filled with a certain amount, then irrigating a drainage groove at the right end of the drainage blind pipe, continuously filling the first permeable layer after the drainage groove is finished, placing a geogrid on the first permeable layer after the first permeable layer is filled, laying a cushion layer on the geogrid, laying the cushion layer in layers, finally pouring a surface layer to form the whole road, when the road surface has water, a large amount of water flows into the drainage groove from the road surface to be discharged, the rest accumulated water flows into the cushion layer from the road surface, then the rest water permeates into the first permeable layer from the cushion layer, the accumulated water in the first permeable layer can be collected and discharged into the drainage groove by the drainage blind pipe through the geotextile, and finally the rest water can be introduced by a second permeable layer, and the road laying soil layer structure in the scheme can effectively drain water, and can also carry out certain protection to the drainage pipe under the road, can also prevent that the rainwater from corroding underground cable, simple structure moreover, construction convenience.
2. The soil layer is the soil layer after the foundation pit is dug, the soil layer needs to be leveled before pavement is laid, waterproof concrete has certain waterproof performance and can prevent groundwater from permeating, the inner side of the guard circle is used for placing water pipes or cables, the guard circle is made of waterproof concrete materials and can prevent water from entering the guard circle to influence the cables and can prevent the water pipes from breaking to influence the surrounding soil layer, the guard ribs are made of reinforcing steel bars with certain corrosion resistance and can protect the guard circle to a certain degree, the waterproof layer can be made of soil with the permeability coefficient smaller than 0.001m/d and can further prevent water from entering the guard circle, the first water permeable layer is made of sand stone type materials, water on the road surface can better enter the drainage blind pipe and can be drained to the drainage groove, the drainage blind pipe has the advantages of hydrophobicity, small resistance and extremely high surface water seepage capacity and internal water permeability, the geotextile has the advantages of corrosion resistance, high strength, good water permeability, good antimicrobial property, convenient construction and the like, can effectively protect the drainage blind pipe, can effectively prevent the filler from sinking, can layer different fillers to prevent the filler from mixing, can play a role in bearing, and can be wider than each side of the surface layer by at least 1cm by considering the requirement of diffusion stress and the convenience of construction, and the surface layer adopts a color concrete permeable pavement with good water permeability.
3. After the water is drained through the drainage groove and the drainage blind pipe, a little water still exists, as the waterproof layer is filled with the waterproof material, the residual water flows to the soil layer through the second permeable layer to avoid the water from contacting with the protective ring, the second permeable layer and the first permeable layer can adopt the same material, the second permeable layer can be prevented from being mixed with the waterproof layer through the geogrid, the influence of the mixture of different materials on the road structure is avoided, the geogrid can prevent the waterproof layer and the first permeable layer from being mixed, the upper layer of the cushion layer is an upper base layer and plays a main bearing role, the lower layer of the cushion layer is a lower base layer and plays a secondary bearing role, the strength requirement of the lower base layer is slightly lower than that of the upper base layer, but make full use of local material to reduce engineering cost, can prevent through the apron that some impurity from getting into the water drainage tank in, can make a large amount of rivers discharge in the water drainage tank through the through-hole on the apron.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a partial cross-sectional view of the present invention;
fig. 2 is a side cross-sectional part structure diagram of the present invention.
In the figure: 1-soil layer; 2-waterproof concrete; 3-waterproof layer; 4-a guard circle; 5-protecting the ribs; 6-a first water permeable layer; 7-drainage blind pipes; 8-geotextile; 9-cushion layer; 10-surface layer; 11-a drainage channel; 12-geogrid; 13-a second water permeable layer; 14-cover plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-2, the present invention provides the following technical solutions:
a municipal engineering road laying structure comprises a soil layer 1 and a surface layer 10, wherein the soil layer 1 is positioned at the lower side of the surface layer 10, waterproof concrete 2, a waterproof layer 3, a first permeable layer 6 and a cushion layer 9 are sequentially paved between the soil layer 1 and the surface layer 10 from bottom to top, a geogrid 12 is arranged between the first permeable layer 6 and the cushion layer 9, three guard rings 4 are arranged at the upper end of the waterproof concrete 2, the three guard rings 4 are positioned in the waterproof layer 3, guard ribs 5 are arranged at the outer sides of the three guard rings 4, the lower ends of the three guard ribs 5 penetrate through the waterproof concrete 2, the lower ends of the three guard ribs 5 are inserted into the soil layer 1, three drainage blind pipes 7 are arranged in the first permeable layer 6, the three drainage blind pipes 7 are respectively positioned at the upper sides of the three guard rings 4, geotextile 8 is arranged on the surfaces of the three drainage blind pipes 7, a drainage groove 11 is arranged at the right end of the three, the drain channel 11 is located on the upper side of the guard ring 4.
In the embodiment of the utility model, soil layer 1 is the soil layer after digging the foundation ditch, need level and smooth soil layer 1 before carrying out road surface laying, waterproof concrete 2 has certain waterproof performance, prevent the infiltration of groundwater, the inboard of guard circle 4 is used for placing water pipe or cable, guard circle 4 adopts waterproof concrete material, prevent that water from getting into guard circle 4 and influencing the cable, can also prevent that the water pipe from breaking and influencing the soil layer on every side simultaneously, guard rib 5 adopts the reinforcing bar that has certain corrosion resistance, can carry out certain protection to guard circle 4, waterproof layer 3 can adopt the soil that the osmotic coefficient is less than 0.001m/d, further prevent that water from getting into guard circle 4, first permeable bed 6 adopts grit type material, make the hydroenergy of road surface can be better get into in drainage blind pipe 7, make drainage blind pipe 7 with water to water drainage tank 11, drainage blind pipe 7 has hydrophobic, Resistance is little, have high surface infiltration ability and inside ability of leading to water, and have splendid compressive capacity and the ability of adaptation deformation, can protect soil body and building can not be destroyed because of producing osmotic deformation, geotechnological cloth 8 has corrosion-resistant, the reinforce is high, the water permeability is good, the antimicrobial is good, advantages such as construction convenience, can effectually protect drainage blind pipe 7, geogrid 12 can effectually prevent that the filler from sinking, make different fillers laminate, prevent that the filler from mixing, bed course 9 plays the effect of bearing, consider the needs and the convenience of construction of diffusion stress, the width of bed course 9 should be 1cm wider than every side of bed course 10 at least, bed course 10 adopts the colored concrete pavement that has good water permeability to permeate water.
Specifically, please refer to fig. 2, a second permeable layer 13 is disposed between every two protective ribs 5, the two second permeable layers 13 sequentially penetrate through the waterproof layer 3 and the waterproof concrete 2 from top to bottom, the two second permeable layers 13 are disposed in the waterproof layer 3 and the waterproof concrete 2, and upper and lower ends of the two second permeable layers 13 are respectively communicated with the first permeable layer 6 and the soil layer 1.
The utility model discloses an in the embodiment, after drainage through water drainage tank 11 and drainage blind pipe 7, still can there be some very little water, because waterproof layer 3 fills for waterproof material, these remaining water then can flow to soil layer 1 through second permeable stratum 13, avoid water and guard circle 4 to contact, second permeable stratum 13 and first permeable stratum 6 can adopt the same material.
Specifically, referring to fig. 2, the two second permeable layers 13 are provided with the same geogrids 12 at the joints with the waterproof layer 3 and the waterproof concrete 2.
The utility model discloses an in the embodiment, can prevent through geogrid 12 that second permeable bed 13 from mixing with waterproof layer 3, avoid different materials to mix and cause the influence to road structure.
In particular, referring to fig. 2, the same geogrid 12 is arranged between the first water-permeable layer 6 and the waterproof layer 3.
In the embodiment of the present invention, the waterproof layer 3 and the first water-permeable layer 6 can be prevented from being mixed by the geogrid 12.
Specifically, referring to fig. 1, the cushion layer 9 is divided into an upper layer and a lower layer.
In the embodiment of the present invention, the upper layer of the cushion layer 9 is an upper base layer, which plays a main bearing role, the lower layer is a lower base layer, which plays a secondary bearing role, the strength requirement of the lower base layer material is slightly lower than that of the upper base layer, which can fully utilize the local material to reduce the construction cost.
Specifically, referring to fig. 1, a cover plate 14 is fixed to an upper end of the drain tank 11, and a through hole is bored in an upper end of the cover plate 14.
In the embodiment of the present invention, some impurities can be prevented from entering the drainage channel 11 through the cover plate 14, and a large amount of water can be discharged into the drainage channel 11 through the through holes on the cover plate 14.
The utility model discloses a theory of operation and use flow: firstly digging a foundation pit, then leveling a soil layer 1, then pouring waterproof concrete 2, reserving certain intervals among the waterproof concrete 2 to enable a second permeable layer 13 to be filled, then installing a protective ring 4 on the waterproof concrete 2 to enable the protective ring 4 to be fixed on the waterproof concrete 2, inserting a water pipe or a cable into the inner side of the protective ring 4, then inserting a protective rib 5 downwards around the protective ring 4 to enable the protective rib 5 to be inserted into the soil layer 1, then vertically placing a template at a position with a distance from the waterproof concrete 2, wherein the template is higher than the waterproof layer 3, laying the waterproof layer 3 on the waterproof concrete 2, compacting the waterproof layer 3, filling no waterproof layer 3 in the template, placing a geogrid 12 in the template after filling the waterproof layer 3, then filling the second permeable layer 13 into the template, compacting after filling, and then drawing out the template, arranging a geogrid 12 on the waterproof layer 3, filling a first permeable layer 6, fixing a geotextile 8 on a drainage blind pipe 7, placing the drainage blind pipe 7 on the first permeable layer 6 after the first permeable layer 6 is filled with a certain amount, then irrigating a drainage groove 11 at the right end of the drainage blind pipe 7, continuously filling the first permeable layer 6 after the drainage groove 11 is finished, placing the geogrid 12 on the first permeable layer 6 after the first permeable layer 6 is filled, laying a cushion layer 9 on the geogrid 12, laying the cushion layer 9 in layers, finally pouring a surface layer 10 to form the whole road, when the road surface is filled with water, a large amount of water flows into the drainage groove 11 from the road surface to be discharged, the residual water flows into the cushion layer 9 from the road surface, then permeates into the first permeable layer 6 from the cushion layer 9, the water in the first permeable layer 6 can be collected and discharged into the drainage groove 11 by the drainage blind pipe 7 through the geotextile 8, the last remaining small amount of water will be introduced into the soil layer 1 by the second water permeable layer 13.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.