CN212223508U - Assembled road structure - Google Patents

Abstract

The utility model relates to an assembled road structure, include plain soil tamp layer, bed course, gravel reversed filter layer, the isolation filter layer, screed-coat, the assembled basic unit that permeates water that distribute in proper order from bottom to top, the assembled basic unit is fixed with integrated into one piece's planting frame respectively including prefabricated concrete slab and both sides that permeate water, plain soil tamp layer with it is provided with first drainage structure and second drainage structure respectively to plant the frame, the utility model has the advantage of splendid water permeability when afforesting the environment.

Description

Assembled road structure

Technical Field

The utility model belongs to the technical field of the urban road assembly technique and specifically relates to an assembled road structure is related to.

Background

The permeable pavement is a pavement paved by permeable materials, and is generally a permeable cement concrete and permeable asphalt mixture. The permeable pavement structure is provided with the communicated pore structure, so that the water on the surface of the pavement can be quickly drained away, the problems of wheel skidding and the like caused by water film generated on the pavement in rainy days can be effectively reduced, the effect of reducing noise can be achieved due to the communicated structure of the gaps, and the comfort and the safety of road driving are comprehensively improved; in addition, the existence of the communicated pore structure also has positive effects on surface temperature and humidity exchange, underground water purification and rewet, microorganism inhabitation and the like, and the permeable pavement is a green pavement form with good driving comfort and safety and environmental friendliness.

The communicated gap structure endows the permeable pavement with the advantages as above, and simultaneously brings some natural defects to the permeable pavement, namely low strength and easy blockage, and the low strength means that the bearing capacity of the permeable pavement is limited, so that the permeable pavement is mainly applicable to small-load pavements such as green roads, parking lots, parks, squares and the like.

The existing patent with publication number CN209555695U discloses an assembly type composite permeable pavement structure, which comprises a hydrophobic coating, a permeable upper layer, a bonding layer and a pavement slab which are sequentially overlapped from top to bottom; the road surface plate comprises a transverse water guide groove, a positioning groove and a road surface plate transverse grain functional part.

Among the above-mentioned technical scheme, adopt the hydrophobic coating to make the water dwell time who has prolonged the road surface, and then reduced in the impurity inflow road surface, but simultaneously, because the dwell time extension of water on the road surface makes the road surface ponding more easily, the ponding causes the incident more easily, and the road surface top of adoption only is provided with the upper strata that permeates water of hydrophobic coating, can't beautify and afforest the environment, and only collect the urban pipe network system of discharging into after collecting the rainwater through the horizontal water guiding gutter to the collection of the water that permeates under the road surface, lack the reuse to the rainwater.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides an assembled road structure, it has the advantage of splendid water permeability when having the afforestation environment.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an assembled road structure, includes plain soil tamp layer, bed course, gravel reversed filter layer, the isolation layer that permeates water, screed-coat, the assembled basic unit that distributes in proper order from bottom to top, the assembled basic unit is fixed with integrated into one piece's planting frame respectively including prefabricated concrete slab and both sides that permeate water, plain soil tamp layer with it is provided with first drainage structure and second drainage structure respectively to plant the frame.

Through adopting above-mentioned technical scheme, prefabricated pervious concrete slab is poured through the mould by pervious concrete and reinforcing bar and is constituted, because pervious concrete possess splendid water permeability, can make the rainwater that falls into its surface permeate to the underground fast, keep the road surface can not ponding reduce the emergence of traffic accident, adopt pervious concrete pouring shaping equally rather than integrated into one piece's planting frame, possess splendid water permeability, and through planting green planting greening road surface in planting the frame, beautify the environment, first drainage structures is used for supplementary guide surface ponding and flows into the underground, second drainage structures is used for collecting the earth's surface water and in time prevents the road surface from overturning with ponding discharge.

The utility model discloses further configure to: plant the frame opening upwards, the lateral wall is fixed with the division board, and the division board will plant the frame and separate for planting layer and water-storage layer, and the planting level is in the water-storage layer top, second drainage structure is including running through the first collector pipe of division board and offer in the first water hole of crossing that the frame is located the water-storage layer lateral wall of planting, the bottom butt of first collector pipe bottom and planting frame is close to the week lateral wall intercommunication at the bottom of the tube and is equipped with the second and crosses the water hole, first collector pipe height is higher than plants the layer, the lateral wall that the frame is located the water-storage layer of planting has seted up the water hole, it is close to the division board to cross the water hole.

Through adopting above-mentioned technical scheme, plant the in situ and lay soil and be used for planting the plant, during rainy day, rainwater can be collected fast to first collector pipe, makes the water level in the retaining layer rise, can assist the water of crossing through the water hole when the water level is too high.

The utility model discloses further configure to: the bottom of the planting frame and the surface of the inner side wall of the planting frame with the height lower than that of the first water through hole are coated with hydrophobic coatings.

By adopting the technical scheme, the hydrophobic coating can be formed by coating waterproof concrete mixed additives, and the additives such as ferric chloride, triethanolamine and the like make the hydrophobic coating have strong leakproofness and hydrophobicity, so that rainwater can be accumulated in the water storage layer.

The utility model discloses further configure to: the outer side wall of the first water collecting pipe is coated with a first absorbent cotton layer.

By adopting the technical scheme, because the first absorbent cotton layer is positioned in the water storage layer, when water is accumulated in the water storage layer, the soil is kept moist through the water absorption of the absorbent cotton and the absorption effect of the plant root system in the soil.

The utility model discloses further configure to: and a filtering structure is arranged at the top of the first water collecting pipe.

Through adopting above-mentioned technical scheme, filtration can be sponge, the pitch that permeates water, the concrete that permeates water, filter screen etc. and its effect lies in collecting the rainwater and filters and guarantee simultaneously that the filth can not flow in the retaining bed.

The utility model discloses further configure to: the first drainage structure comprises an aggregate blind ditch arranged on the plain soil compaction layer and a drainage pipe arranged in the aggregate blind ditch, a third water through hole is formed in the pipe wall of the drainage pipe, and the drainage pipe is transversely or longitudinally embedded in the plain soil compaction layer.

Through adopting above-mentioned technical scheme, the french drain can be plastics french drain also can be the aggregate french drain, because the pipe wall of drain pipe has been seted up the third and has been crossed the water hole, can guarantee when the intraformational water level of plain soil is higher, can cross the water hole through the third and flow in the drain pipe and discharge, simultaneously owing to be provided with the french drain, no matter be the aggregate french drain or the plastics french drain all has good infiltration and filtration performance, be favorable to the infiltration of water can avoid the rainwater or the impurity of sewage to get into the drain pipe simultaneously, lead to the drain pipe to block up, collect the water intercommunication catchment in the drain pipe and go into city pipe network system with the water.

The utility model discloses further configure to: and a reverse-wrapping geotextile is further arranged between the aggregate blind ditch and the plain soil tamping layer, and the reverse-wrapping geotextile wraps the periphery of the aggregate blind ditch.

Through adopting above-mentioned technical scheme, geotechnological cloth adopts dacron short fiber acupuncture geotechnological cloth, utilizes the infiltration nature of geotechnological cloth self, filters the rainwater, blocks impurity entering drain pipe.

The utility model discloses further configure to: and the top of the assembled base layer is concavely provided with a hoisting hole.

Through adopting above-mentioned technical scheme, be convenient for assembled basic unit through crane transportation to the construction site, the installation back is filled in the milk.

The utility model discloses further configure to: the cushion layer is a geogrid, the leveling layer is a cement mortar layer, and the permeable isolation layer is geotextile.

Through adopting above-mentioned technical scheme, geogrid and geotechnological cloth have all utilized the ductility of self and elasticity to slow down the road surface and receive because of external forces such as tension of soil inflation shrink, prevent its fracture, make the surfacing be convenient for assemble assembled basic unit after the cement mortar layer coating.

To sum up, the utility model discloses a following at least one useful technological effect:

the green planting greening road surface has excellent water permeability, and the environment is beautified by planting green plants in the planting frames to green the road surface;

the water storage layer can collect rainwater, can guarantee soil is moist at ordinary times, can prevent the water level too high during rainy day.

Water stretching into in the plain soil tamp layer can be discharged through the drain pipe, and the drain pipe outside is provided with the blind ditch and turns over two-layer filtration of geotechnological cloth, prevents that the drain pipe from blockking up.

Drawings

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is an enlarged schematic view of a portion B in fig. 2.

In the figure, 1, a plain soil compaction layer; 2. a cushion layer; 3. a gravel reversed filter layer; 4. a water permeable isolation layer; 5. leveling layer; 6. an assembled base layer; 7. a second drainage structure; 8. blind ditches; 9. a drain pipe; 10. wrapping the geotextile; 11. a third water through hole; 12. prefabricating a pervious concrete slab; 13. planting frames; 14. a first drainage structure; 15. a separator plate; 16. planting a layer; 17. a aquifer; 18. a first header pipe; 19. a first water through hole; 20. a second water through hole; 21. a hydrophobic coating; 22. a first absorbent cotton layer; 23. a filter structure; 24. and (6) hoisting holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 and fig. 2 show, do the utility model discloses an assembled road structure, include plain soil tamp layer 1, bed course 2, gravel reversed filter layer 3, the isolation layer 4 that permeates water, screed-coat 5, assembled basic unit 6 that distribute gradually from bottom to top.

As shown in fig. 2 and 3, a second drainage structure 7 is arranged in the plain soil compacting layer 1, the second drainage structure 7 comprises a blind ditch 8 arranged in the plain soil compacting layer 1 and a drainage pipe 9 arranged in the blind ditch 8, the blind ditch 8 is a plastic blind ditch 8, the outer side of the blind ditch 8 is wrapped by an anti-wrapping geotextile 10, a third water passing hole 11 is formed in the pipe wall of the drainage pipe 9 in a communicating manner, and the third water passing hole 11 is formed in the pipe wall of the drainage pipe 9 on one side facing the cushion layer 2. The water discharge pipe 9 is transversely buried in the rammed earth layer 1 and communicated with a city pipe network system. Because the third hole 11 of crossing has been seted up to the pipe wall of drain pipe 9, can guarantee when the water level in plain soil tamp layer 1 is higher, can discharge in flowing into drain pipe 9 through third hole 11 of crossing, owing to be provided with french drain 8, plastics french drain 8 has good infiltration and filtration performance simultaneously, is favorable to the infiltration of water to avoid simultaneously the impurity entering drain pipe 9 of rainwater or sewage and leads to drain pipe 9 to block up.

The cushion layer 2 is a geogrid, and the geogrid can be prevented from cracking by using the ductility and elasticity of the geogrid to relieve external forces such as tension and the like caused by expansion and contraction of soil on the road surface.

The gravel reversed filter layer 3 is a graded gravel layer composed of fine to coarse gravel, broken stone and pebble in grain size from bottom to top, and is used for preventing the road surface from being overturned due to overhigh underground water level and facilitating the drainage of the blind drain 8.

The permeable isolation layer 4 is made of geotextile, has the same function as a geogrid, has water filtering performance, and also has the property of blocking impurities to filter water.

The leveling layer 5 is coated cement mortar and is used for filling and leveling gaps formed by gravels at the top of the gravel reverse filtering layer 3, so that the assembly of the assembly type base layer 6 is facilitated.

As shown in fig. 2 and 4, the fabricated base 6 includes a precast water-permeable concrete slab 12 and an integrally formed planting frame 13 fixed at both sides thereof to the water-permeable concrete slab, respectively, the planting frame 13 being provided with a first drainage structure 14. Plant frame 13 opening upwards, the lateral wall is fixed with division board 15, and division board 15 will plant frame 13 and separate for planting layer 16 and water-storage layer 17, and it is located water-storage layer 17 top to plant layer 16, and first drainage structure 14 is including running through the first collector pipe 18 of division board 15 and set up in the first water hole 19 of crossing that planting frame 13 is located water-storage layer 17 lateral wall, the bottom butt of first collector pipe 18 bottom and planting frame 13, the week lateral wall intercommunication that is close to the socle is equipped with the second and crosses water hole 20, and first collector pipe 18 highly is higher than planting layer 16, and the lateral wall that planting frame 13 is located water-storage layer 17 has seted up first water hole 19 of crossing, and first water hole 19 of crossing is close to division board 15. Soil is paved in the planting layer 16 for planting plants, and the bottom of the planting frame 13 and the inner side wall surface of the planting frame 13 with the height lower than the first water through holes 19 are coated with a hydrophobic coating 21. The outer side wall of the water collecting pipe is coated with a first absorbent cotton layer 22. The top of the collector pipe is provided with a filter structure 23. The filter structure 23 may be a sponge, pervious asphalt, pervious concrete, a filter screen, or the like, and functions to collect and filter rainwater while ensuring that contaminants do not flow into the aquifer 17.

During rainy day, first collector pipe 18 can collect the rainwater fast, make the water level rise in the water-storage layer 17, can assist the water through the water hole when the water level is too high, hydrophobic coating 21 can adopt waterproof concrete mixing additive coating to constitute, the additive can adopt like ferric chloride, triethanolamine etc., make hydrophobic coating 21 leakproofness strong and have the hydrophobicity, make water-storage layer 17 can save the rainwater, because first absorbent cotton layer 22 is located water-storage layer 17, when ponding in water-storage layer 17, through the hydroscopicity of absorbent cotton self and the plant root system in the soil to the absorption of moisture content, make soil keep moist.

The top end of the surface of the precast permeable concrete slab 12 is provided with a hoisting hole 24 for hoisting the whole assembly type base layer 6.

The construction process of the embodiment is as follows:

s1: burying a blind ditch 8 and a drain pipe 9, and tamping a rammed earth tamping layer 1;

s2: laying a cushion layer 2;

s3: laying a gravel reversed filter layer 3;

s4: paving a water-permeable isolating layer 4;

s5: coating a leveling layer 5;

s6: assembling the prefabricated assembled base layer 6;

s7: and pouring cement mortar into the joint of the adjacent assembled base layers 6 for bonding.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. An assembled road structure, characterized in that: including plain soil rammed compaction layer (1), bed course (2), gravel reversed filter bed (3), the isolation layer (4) that permeates water, screed-coat (5), assembled basic unit (6) that distribute in proper order from bottom to top, assembled basic unit (6) are fixed with integrated into one piece's planting frame (13) respectively including prefabricated concrete slab (12) that permeates water and both sides, plain soil rammed compaction layer (1) with it is provided with first drainage structures (14) and second drainage structures (7) respectively to plant frame (13).

2. A fabricated roadway structure as in claim 1, wherein: plant frame (13) opening upwards, the lateral wall is fixed with division board (15), and division board (15) will plant frame (13) and separate for planting layer (16) and aquifer (17), and it is located aquifer (17) top to plant layer (16), second drainage structure (7) are including running through first collector pipe (18) of division board (15) and offer in planting frame (13) and be located first water hole (19) of crossing of aquifer (17) lateral wall, first collector pipe (18) bottom and the bottom butt of planting frame (13), the week side wall intercommunication that is close to the socle is equipped with the second and crosses water hole (20), first collector pipe (18) height is higher than plants layer (16), it has seted up first water hole (19) to plant the lateral wall that frame (13) are located aquifer (17), first water hole (19) of crossing is close to division board (15).

3. A fabricated roadway structure as in claim 2, wherein: the bottom of the planting frame (13) and the surface of the inner side wall of the planting frame (13) with the height lower than that of the first water through hole (19) are coated with hydrophobic coatings (21).

4. A fabricated roadway structure as in claim 2, wherein: the outer side wall of the first water collecting pipe (18) is coated with a first water absorption cotton layer (22).

5. A fabricated roadway structure as in claim 2, wherein: the top of the first water collecting pipe (18) is provided with a filtering structure (23).

6. A fabricated roadway structure as in claim 1, wherein: the first drainage structure (14) is including setting up in aggregate french drain (8) of plain soil tamp layer (1) and setting up drain pipe (9) in aggregate french drain (8), the third water hole (11) of crossing has been seted up to the pipe wall of drain pipe (9), drain pipe (9) are along transversely or vertically burying underground in plain soil tamp layer (1).

7. An assembled roadway structure as in claim 6, wherein: and a reverse-wrapping geotextile (10) is also arranged between the aggregate blind ditch (8) and the plain soil tamping layer (1), and the reverse-wrapping geotextile (10) is wrapped on the periphery of the aggregate blind ditch (8).

8. A fabricated roadway structure as in claim 1, wherein: and the top of the assembled base layer (6) is concavely provided with a hoisting hole (24).

9. A fabricated roadway structure as in claim 1, wherein: the cushion layer (2) is a geogrid, the leveling layer (5) is a cement mortar layer, and the water permeable isolation layer (4) is geotextile.

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