CN218322170U - Road curb filling structure - Google Patents
Road curb filling structure Download PDFInfo
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- CN218322170U CN218322170U CN202221851586.9U CN202221851586U CN218322170U CN 218322170 U CN218322170 U CN 218322170U CN 202221851586 U CN202221851586 U CN 202221851586U CN 218322170 U CN218322170 U CN 218322170U
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Abstract
The utility model discloses a curb filling structure, including road base course and road surface layer, be equipped with the curb filling groove on the road base course, the curb filling groove is connected with road surface layer lateral part, the curb filling groove is equipped with the backplate on the side of keeping away from road surface layer lateral part, the curb filling is filled with the curb filler, the curb filler is filled along curb filling groove by the flow state filler and is filled the shaping, the flow state filler is mixed by base stock, curing agent and appropriate amount water and is formed, the upper surface of curb filler and the side parcel that is close to the backplate have the prevention of seepage film; total, the utility model has the advantages of reasonable design, easily be under construction, exempt from to compact and possess stronger water proofness and stability, green economy environmental protection, application prospect is wide.
Description
Technical Field
The utility model relates to a road construction technical field, concretely relates to road curb filling structure.
Background
In the construction of the expressway, because the concrete curb structure or the stone curb structure has higher cost, the traditional construction of the roadside curb structure of the road usually adopts backfill compaction or tamping of backfill materials such as plain soil, lime soil and the like, but because the curb edges on the two sides of the road are close to road guardrails, the operation space is narrow, the curb structures of the traditional backfill materials such as the plain soil, the lime soil and the like are difficult to compact or tamp, the construction difficulty is higher, the backfill construction period is longer, and the plain soil or the lime soil is easy to subside when meeting water, so that a slab staggering is formed between the curb structures and the road surface layer, and potential safety hazards are brought to road driving. And the compaction degree or the tamping degree of the joint part of the curb structure and the road surface layer of the traditional backfill materials such as plain soil, lime soil and the like is not enough, so that the tightness degree of the joint of the backfill curb structure and the side part of the road surface layer is not high, when the backfill materials are washed by rainwater, the rainwater easily washes a road base layer along the joint part of the curb structure and the side part of the road surface layer, the road surface is collapsed when the backfill materials are seriously washed by the rainwater, the service performance of the highway is reduced, and the later-period operation maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a road curb filling structure that easy construction, exempt from to compact, rational in infrastructure, green economy environmental protection and can promote curb water proofness, stability.
In order to realize the above-mentioned purpose, the utility model provides a curb filling structure, including road basic unit and road surface layer, be equipped with the curb filling groove in the road basic unit, the curb filling groove with road surface layer lateral part is connected, the curb filling groove is kept away from one side of road surface layer lateral part is equipped with the backplate, the curb filling inslot intussuseption is filled with the curb filling body, the curb filling body is followed by flow state filler the curb filling groove fills the shaping, the upper surface of curb filling body and being close to backplate side parcel has the prevention of seepage film.
Further, still include the guardrail, the guardrail with the backplate outside is connected.
Furthermore, one end of the upper surface of the curb filling body is flush with the upper surface of the pavement surface layer, the other end of the upper surface of the curb filling body is flush with the upper surface of the guard plate, and the upper surface of the curb filling body is inclined downwards from one end close to the pavement surface layer to one end close to the upper surface of the guard plate.
Further, the fluid filling material is one of waste foundation soil, engineering residue soil, silt, mucky soil, clay, silt soil, sandy soil, mixed soil, engineering mud, shield residue soil, construction waste recycled micro powder, tailings or stone chips, and the particle size of the fluid filling material is less than or equal to 25mm.
Furthermore, the flow expansion degree of the fluid filling material is 100 mm-300mm, the 28d unconfined compressive strength is 0.1 MPa-2 MPa, and the permeability coefficient is less than or equal to 1 multiplied by 10 -5 cm/s。
Further, the flow state filling material is uniformly mixed to be in a flow state by adopting a vibration mixer, the vibration mixing time is not less than 60s, and the vibration frequency of the vibration mixer is not less than 25Hz.
Furthermore, the lower edge of the anti-seepage film is adhered to the bottom of the curb filling groove, and the adhering width is not less than 5cm.
Further, the anti-seepage film is anti-seepage geotextile or a plastic film.
Further, the lower surface of the guard plate is connected with the road base layer.
The utility model has the following technical effects or advantages:
1. the curb filling structure is formed by mixing base materials and other materials into a fluid filling material, so that the resource utilization of waste materials is realized, the structure is reasonable, the bearing capacity is certain, the compaction is avoided, the problems of narrow and small curb filling area, difficulty in compacting and incapability of using machinery for construction are solved, the construction efficiency is greatly improved, the construction cost is reduced, and the curb filling structure is green, economical and environment-friendly;
2. the upper surface of the curb filling body is an inclined plane, so that accumulated water on a road can be conveniently discharged to the outer side of the curb structure of the road, the curb filling body has strong water resistance and stability, is high in tightness degree of combination with the side part of the pavement layer, does not settle when meeting water, is resistant to scouring, and well solves the problems that the traditional curb structure is easy to settle when meeting water and is easy to be scoured by rainwater to cause potential safety hazards;
3. a guard plate is arranged on one side of the curb filling groove, which is far away from the side part of the pavement surface layer, so that the overflow of the fluid filling material during pouring can be avoided; the upper surface of the curb filling body and the side part close to the guard plate are wrapped with the anti-seepage films, so that the dry-wet alternation of the surface of the curb filling body can be reduced, cracks derived from drying shrinkage of the curb filling body caused by too fast evaporation of water in the fluid filling material are prevented, and the service life of the curb filling body is prolonged;
total, the utility model discloses road curb structural design is reasonable, easily be under construction, exempt from to compact and possess stronger water proofness and stability, green economy environmental protection, and application prospect is wide.
Drawings
FIG. 1 is a schematic view of the road curb filling structure of the present invention;
in the figure: 1. the road comprises a road base layer, 2 a pavement surface layer, 3 a curb filling groove, 4 a curb filling body, 5 a guardrail, 6 a guard plate, 7 and an impermeable film.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1, a curb filling structure comprises a road base layer 1 and a pavement surface layer 2, curb filling grooves 3 are dug on two sides of the road base layer 1, the curb filling grooves 3 are close to the side portions of the pavement surface layer 3, a protective plate 6 is supported on one side, far away from the side portions of the pavement surface layer 3, of the curb filling grooves 3, the outer side surfaces of the protective plate 6 are close to guardrails 5 and are fixedly connected with the guardrails 5 through rivets or iron wires, the lower surface of the protective plate 6 is in contact with the road base layer 1, the protective plate 6 is fixed on the road base layer 1, curb filling bodies 4 are filled in the curb filling grooves 3, the curb filling bodies 4 are filled with fluid filling materials along the curb filling grooves 3, impermeable films 7 are wrapped on the upper surface of the curb filling bodies 4 and the side portions close to the protective plate 6, the impermeable films 7 are made of geotextile or plastic films, the impermeable films 7 can reduce the alternating phenomenon of the cold and hot filling bodies 4 on the surface of the curb filling bodies, prevent the fluid filling bodies from evaporating to cause rapid evaporation of the fluid filling materials to shrink, the impermeable films 7 are prevented from adhering to gaps between the lower edges of the dry filling bodies 7, the protective plate, the effective crack of the impervious films 7 is prevented from overflowing from being smaller than the gaps of the road base layer 5, and the effective gaps of the impervious filling bodies 7, and the gaps of the road base layer 5, and the seepage films, and the effective gaps of the impervious films 7, and the seepage films 7, and the gaps of the road base layer 5.
The upper surface one end of curb filler 4 flushes with the upper surface of road surface course 2, and the upper surface other end of curb filler 4 flushes with the upper surface of backplate 6, and the upper surface of curb filler 4 forms the slope plane by the one end downward sloping that is close to road surface course 2 to the one end that is close to backplate 6 upper surface, is convenient for discharge road ponding to the road curb structure outside.
The method is characterized in that a fluid filling material is used as a base material, a curing agent and a proper amount of water are added and mixed by a mixer, the base material is one of waste foundation soil, engineering muck, silt, mucky soil, clay, silt, sandy soil, mixed soil, engineering mud, shield muck, construction waste regenerated micro powder, tailings or stone chips, the particle size of the base material is less than or equal to 25mm, the base material is used as a raw material, the solid waste is recycled, the cost of road curb filling structural materials can be effectively reduced, the development requirement of green low carbon is met, according to the construction requirement, the curing agent is one or more of cement, lime and other composite inorganic cementing materials, the mixing proportion is determined according to the trial-matching result, the weighed base material, the curing agent and the water are put into the vibration mixer to be subjected to vibration mixing for not less than 60s, the vibration frequency of the vibration mixer is not less than 25Hz, the vibration mixer is adopted to perform vibration mixing on the mixture, the aggregate breaking effect among particles in the mixture is good, the aggregate, the mixture can be rapidly uniform, and the quality in the preparation process of the fluid filling material is reduced,the quality of the fluid filling material is improved; the flow state filling material mixed by a mixer is sampled to test the flow expansion degree, a cylindrical barrel with an upper opening and a lower opening of which the inner diameter is 75 plus or minus 1mm, the height is 150 plus or minus 1mm, the inner wall is smooth, the wall thickness is not less than 5mm and two flush and smooth ends is placed on a horizontal glass flat plate, the well mixed flow state filling material is filled into the cylindrical barrel twice, each filling time is carried out, a tamping rod is adopted to evenly insert and tamp for 5 times, the upper end surface of the cylindrical barrel is scraped flat along the upper end surface by a spatula, pulling up the cylinder vertically upwards once, forming cakes on a glass flat plate after the mixture collapses, respectively measuring the diameter of the cakes in the direction of the maximum diameter and the vertical direction by using a steel ruler to be accurate to 5mm, wherein the average value of the two diameters is the flow expansion degree of the mixture of the fluid-state filling material, the flow expansion degree of the fluid-state filling material is 100-300mm, the 28d unconfined compressive strength is 0.1-2 MPa, and the permeability coefficient is less than or equal to 1 multiplied by 10 -5 cm/s; curb filling structure is by material mix such as base-material become the molding of attitude filler filling, realize waste material utilization, rational in infrastructure, possess certain bearing capacity, exempt from to consolidate, it is narrow and small to have solved the regional difficult problem of filling of road curb, difficult ramming and unable use mechanical construction, construction efficiency has been improved by a wide margin, construction cost is reduced, green economy environmental protection, and curb filling 4 has stronger water proofness and stability, it is high to combine inseparable degree with 2 lateral parts of road surface course, meet the water and do not subside, resistant erodeing, fine solution traditional curb structure meet water and easily subside, easily receive the difficult problem that the rainwater erodees arouses road safety hidden danger.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a road edge filling structure, includes road base and road surface layer, its characterized in that: the road base layer is provided with a curb filling groove, the curb filling groove is connected with the side part of the pavement surface layer, the curb filling groove is far away from one side of the side part of the pavement surface layer and is provided with a guard plate, a curb filling body is filled in the curb filling groove, the curb filling body is formed by filling the curb filling groove with a flow state filling material, and the upper surface of the curb filling body and the side close to the guard plate are wrapped with an anti-seepage film.
2. The road curb filling structure of claim 1, characterized in that: the guardrail is connected with the outer side of the guard plate.
3. The road curb filling structure of claim 1, characterized in that: the upper surface one end of curb fills with the upper surface of road surface layer flushes, the upper surface other end of curb fills with the upper surface of backplate flushes, the upper surface of curb fills the one end that is close to the backplate upper surface by the one end downward sloping that is close to the road surface layer to the upper surface of curb.
4. The road curb filling structure of claim 1, characterized in that: the fluid filling material is one of waste foundation soil, engineering residue soil, silt, mucky soil, clay, silt, sandy soil, mixed soil, engineering slurry, shield residue soil, construction waste regenerated micro powder, tailings or stone chips, and the particle size of the fluid filling material is less than or equal to 25mm.
5. The road curb filling structure of any one of claims 1 to 4, characterized in that: the flow expansion degree of the fluid filling material is 100 mm-300mm, the 28d unconfined compressive strength is 0.1 MPa-2 MPa, and the permeability coefficient is less than or equal to 1 multiplied by 10 -5 cm/s。
6. The road curb filling structure of claim 5, characterized in that: the flow state filling material is uniformly mixed to a flow state by adopting a vibration mixer, the vibration mixing time is not less than 60s, and the vibration frequency of the vibration mixer is not less than 25Hz.
7. The road curb filling structure of any one of claims 1 to 4, characterized in that: the lower edge of the anti-seepage film is adhered to the bottom of the curb filling groove, and the adhering width is not less than 5cm.
8. The road curb filling structure of claim 7, characterized in that: the anti-seepage film is anti-seepage geotextile or plastic film.
9. The road curb filling structure of any one of claims 1 to 4, characterized in that: the lower surface of the guard plate is connected with the road base layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221851586.9U CN218322170U (en) | 2022-07-19 | 2022-07-19 | Road curb filling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221851586.9U CN218322170U (en) | 2022-07-19 | 2022-07-19 | Road curb filling structure |
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| CN218322170U true CN218322170U (en) | 2023-01-17 |
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| CN202221851586.9U Active CN218322170U (en) | 2022-07-19 | 2022-07-19 | Road curb filling structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960342A (en) * | 2022-07-19 | 2022-08-30 | 河南绿岩工程科技有限公司 | Road curb filling structure and construction method |
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2022
- 2022-07-19 CN CN202221851586.9U patent/CN218322170U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960342A (en) * | 2022-07-19 | 2022-08-30 | 河南绿岩工程科技有限公司 | Road curb filling structure and construction method |
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