CN219908437U - Dyke-under-road reverse-filtering drainage seepage guiding structure - Google Patents
Dyke-under-road reverse-filtering drainage seepage guiding structure Download PDFInfo
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- CN219908437U CN219908437U CN202321152734.2U CN202321152734U CN219908437U CN 219908437 U CN219908437 U CN 219908437U CN 202321152734 U CN202321152734 U CN 202321152734U CN 219908437 U CN219908437 U CN 219908437U
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- road
- dyke
- seepage
- roadbed
- road pavement
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- 238000001914 filtration Methods 0.000 title claims abstract description 23
- 239000004576 sand Substances 0.000 claims description 31
- 239000002131 composite material Substances 0.000 claims description 30
- 238000007689 inspection Methods 0.000 claims description 17
- 239000004575 stone Substances 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000008234 soft water Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 150000002611 lead compounds Chemical class 0.000 claims description 2
- 210000002469 basement membrane Anatomy 0.000 claims 2
- 210000004379 membrane Anatomy 0.000 claims 1
- 239000010410 layer Substances 0.000 description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000000945 filler Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The utility model discloses a dyke-under-road back-filtering drainage seepage-guiding structure, which comprises a dyke, a road pavement, a road roadbed and a seepage-guiding structure, wherein the road pavement is paved at the rear part of a dyke body of the dyke, the road roadbed is paved below the road pavement, and the seepage-guiding structure is filled in the road roadbed.
Description
Technical Field
The utility model relates to the technical field of flood control dike off-road drainage, in particular to a dike off-road reverse filtering drainage structure.
Background
The flood control dike is a dike constructed to prevent river flooding. Flood banks have appeared hundreds of years ago, and are usually a pile of earth, which is long-strip-shaped and sometimes extends for several kilometers along a river, lake or ocean.
At present, a dike lower road of a flood dike is usually constructed by adopting a dike rear dike protection land sand and stone reverse filtering cover heavy structure, which is paved on the dike protection land surface and divided into four layers from bottom to top, namely a coarse sand layer, an extremely fine sand layer and a gland pebble layer for protection. The principle of action is mainly aimed at seepage pressure-bearing water in the embankment base, and by utilizing reverse filtration grading from thick to thin, the seepage flow speed is gradually reduced, and the embankment base sand flowing along with seepage is maintained in the embankment base, so that the embankment base is prevented from being damaged by seepage.
However, the dyke-drop reverse-filtering cover heavy structure has the following disadvantages and shortcomings: 1. the structure has weak adaptability, the structure must be paved on the back surface of the dyke, occupies the land area behind the dyke, and has weak adaptability to land development and construction due to the phenomenon of cross contradiction of buildings when roads and the like are constructed behind the dyke; 2. the seepage collection efficiency is low, the safety problem of the embankment under seepage stabilization is mainly passively protected, the seepage of the embankment base cannot be actively collected, and the ratio drop and the pressure of the embankment seepage are reduced; 3. the water seepage condition of the embankment base is not easy to observe and monitor, the structure is mainly paved above the ground surface covering layer, the seepage monitoring of the embankment base is inconvenient, the embankment base is monitored by using an auxiliary monitoring facility, and in order to solve the problems, the embankment bottom-pass reverse filtering drainage seepage guiding structure is provided.
Disclosure of Invention
The utility model mainly aims at providing a dyke-off reverse-filtering drainage seepage-guiding structure, which aims at a road section with great adverse effect on dyke seepage caused by road construction after dykes, is arranged by referring to a reverse-filtering drainage layered structure, a reverse-filtering seepage-guiding structure layer is inserted into an original roadbed structure and is tamped as a part of the roadbed according to the compactness requirement of the roadbed, so that seepage in the dykes is safely and stably discharged, the problem of safe and stable operation of the dykes concerned by water conservancy departments is effectively solved, the technical requirement of road engineering on the roadbed is also ensured, the multi-level collection of the dykes is adopted, seepage is required to be filtered and protected in a series from the dykes to an inspection well, and the specific gradient, the area and the material characteristic requirement are required among all layers, so that the problems in the background technology can be effectively solved.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a dyke is anti-drainage and is led and oozes structure, includes dyke, road pavement, road roadbed and leads oozes structure, road pavement has been laid at the mill body rear portion of dyke, and road pavement below has been laid the road roadbed, the road roadbed intussuseption is filled and is provided with and leads oozes structure, the road roadbed of road pavement below is laid by upper roadbed and lower floor roadbed and is constituteed, lead compound geomembrane, well coarse sand layer, graded gravel layer and compound geomembrane of oozing structure and set up between upper roadbed and lower floor roadbed, road pavement surface department that keeps away from the road roadbed has built the inspection shaft that passes upper roadbed, compound geomembrane, well coarse sand layer, graded gravel layer, compound geomembrane and lower floor roadbed in road pavement surface, lead the steel plastic soft water pipe of oozing structure along slope in well coarse sand layer and pass lower floor roadbed and extend into the inspection shaft inside.
Further, a composite geomembrane, a middle coarse sand layer, a composite geomembrane and an upper roadbed are paved on the surface of the lower roadbed in sequence, and a graded broken stone layer is wrapped in the middle coarse sand layer; the lower roadbed provides support for the composite geomembrane, the medium coarse sand layer, the composite geomembrane and the upper roadbed, and the medium coarse sand layer can be wrapped with the graded broken stone layer.
Further, the seepage guiding structure penetrates into the bottom of the embankment; the seepage guiding structure can play a role in guiding seepage at the bottom of the embankment.
Further, the steel-plastic soft permeable pipe extends to the inside of the inspection well along a gradient of one percent; the inclined steel-plastic soft water permeable pipe can extend into the inspection well to collect water.
Further, the thickness of the membrane body materials of the composite geomembrane and the composite geomembrane is the same; the composite geomembrane and the composite geomembrane can be cut and laid by the same membrane.
Compared with the prior art, the utility model has the following beneficial effects:
1. the reverse filtering drainage seepage guiding structure has stronger adaptability, does not occupy the land behind the dyke, can be arranged at the bottom of a structure, can avoid the phenomenon of cross contradiction, promotes the development and construction of land parcels, and meanwhile, the filler adopted by the seepage guiding structure can be adapted to the road subgrade filler, so that the influence on the road structure and the subgrade function is smaller.
2. The reverse filtering drainage seepage guide structure is more effective for the safety protection of the embankment seepage, and as the front end of the seepage guide structure is deep into the foundation, the specific drop of the seepage overflow point of the embankment body can be effectively reduced, and the seepage of the embankment body can be safely and stably collected into an inspection well through the multilayer seepage protection structure, so that the seepage condition of the embankment body can be inspected conveniently.
3. The reverse filtering drainage seepage guide structure is simple and clear, is made of common sand and stone filler, can synchronously construct and play a role with the road subgrade, effectively shortens the construction time, improves the construction efficiency, and reduces the investment of the embankment safety reinforcement treatment and the seepage prevention treatment.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a dyke-under-road reverse-filtering drainage and seepage-guiding structure.
In the figure: 1. a dike; 2. road pavement; 3. road subgrade; 4. a seepage guiding structure; 5. a road surface layer; 6. an inspection well; 7. an upper layer roadbed; 8. a lower layer roadbed; 9. a composite geomembrane; 901. a composite geomembrane; 10. a medium and coarse sand layer; 11. grading the crushed stone layer; 12. steel-plastic soft permeable pipe.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1, a dyke-under-road reverse-filtering drainage seepage-guiding structure comprises a dyke 1, a road pavement 2, a road pavement 3 and a seepage-guiding structure 4, wherein the road pavement 2 is paved at the rear part of a workshop body of the dyke 1, the road pavement 3 is paved below the road pavement 2, the seepage-guiding structure 4 is filled in the road pavement 3, the road pavement 3 below the road pavement 2 is paved by an upper layer roadbed 7 and a lower layer roadbed 8, a composite geomembrane 9, a medium coarse sand layer 10, a graded broken stone layer 11 and a composite geobase membrane 901 of the seepage-guiding structure 4 are arranged between the upper layer roadbed 7 and the lower layer roadbed 8, an inspection well 6 penetrating through the upper layer roadbed 7, the composite geomembrane 9, the medium coarse sand layer 10, the graded broken stone layer 11, the composite geobase membrane 901 and the lower layer roadbed 8 is constructed at the position of the road pavement surface 2 far away from the road pavement 5 of the road pavement 3, and a steel plastic soft water pipe 12 of the seepage-guiding structure 4 extends into the inspection well 6 along the inclined slope penetrating through the lower layer 8 in the medium coarse sand layer 10.
The surface of the lower roadbed 8 is sequentially paved with a composite geotechnical base film 901, a middle coarse sand layer 10, a composite geotechnical film 9 and an upper roadbed 7, and a graded broken stone layer 11 is wrapped in the middle coarse sand layer 10; the lower roadbed 8 provides support for the composite geomembrane 901, the middle coarse sand layer 10, the composite geomembrane 9 and the upper roadbed 7, and the middle coarse sand layer 10 can be internally wrapped with the graded broken stone layer 11.
Wherein the seepage guiding structure 4 penetrates into the bottom of the embankment 1; the seepage guiding structure 4 can play a role in guiding seepage at the bottom of the embankment 1.
Wherein, the steel-plastic soft permeable pipe 12 extends to the inside of the inspection well 6 along one percent of gradient; the inclined steel-plastic soft permeable pipe 12 can extend into the inspection well 6 to collect water.
Wherein, the thickness of the membrane body materials of the composite geomembrane 901 and the composite geomembrane 9 is the same; the composite geomembrane 901 and the composite geomembrane 9 can be cut and laid by taking the same membrane.
It should be noted that the present utility model is a dyke-down reverse filtering drainage seepage guiding structure, which can be divided into a dyke 1, a dyke-back road pavement 2, a road pavement 3, and a seepage guiding structure 4, wherein the dyke-back road pavement 2 is at the back of the dyke 1, the road pavement 3 is at the lower part of the road pavement 2, the seepage guiding structure 4 is inside the road pavement 3, and a road pavement 3 with a thickness of at least 0.5m is arranged between the seepage guiding structure 4 and the road pavement 2, the seepage guiding structure 4 is to be deep into the bottom of the dyke 1, the main function of the dyke 1 is to block flood, and protect the flood protection safety of the dyke-back facilities; the main function of the road pavement 2 behind the dyke is to ensure the high-speed, safe and comfortable running of the vehicle; the road subgrade 3 has the functions of bearing the gravity of the road pavement 2 behind the dykes and the driving load transmitted by the road pavement 2, so as to maintain the stable operation of the road pavement 2; the function of the seepage-guiding structure 4 is to reduce the seepage ratio drop of the seepage overflow point of the embankment 1, collect the seepage of the embankment 1, maintain the safe and stable operation of the embankment 1,
the inspection well 6 is arranged and built at a proper position of the pavement layer 5 of the road pavement 2 behind the dyke, the inspection well 6 is used for collecting and discharging pavement rainwater, the upper layer roadbed 7 of the road roadbed 3 is arranged at the upper part of the seepage guiding structure 4, the thickness is not smaller than 0.5m, the lower layer roadbed 8 is arranged at the lower part of the seepage guiding structure 4, the upper layer roadbed 7 is used for reducing the action of driving load of the road pavement 2 on the seepage guiding structure 4, and the lower layer roadbed 8 is used for keeping the whole of the upper layer road pavement 2, the upper layer roadbed 7 and the seepage guiding structure 4 stable.
The seepage guiding structure 4 can be divided into a composite geomembrane 9, a medium coarse sand layer 10, a graded broken stone layer 11 and a steel-plastic soft permeable pipe 12, wherein the medium coarse sand layer 10 is wrapped on the periphery of the graded broken stone layer 11, the composite geomembrane 9 and the composite geobottom film 901 are wrapped on the periphery of the medium coarse sand layer 10, and the whole gradient is 1% of the gradient outside the dyke; a steel plastic soft permeable pipe 12 is wrapped in the medium coarse sand layer 10 and extends to the inside of the inspection well 6 along a gradient of 1%. The composite geomembrane 9 has the functions of filtering the water seepage of the embankment base, isolating water and soil, protecting the middle coarse sand layer 10 and the graded broken stone layer 11, and guaranteeing the seepage safety of the embankment base; the medium coarse sand layer 10 has the function of protecting fine soil particles, and ensures the infiltration safety of the embankment base; the graded broken stone layer 11 has the function of protecting coarser soil particles, and ensures the infiltration safety of the embankment base; the steel-plastic soft permeable pipe 12 has a function of collecting the water seepage finally penetrating into the graded crushed stone cushion layer 11 and discharging it into the inspection well 6.
It should be noted that the present utility model is a dyke-down-road reverse-filtering drainage and seepage-guiding structure, the components in the present utility model are all components known to those skilled in the art, and the structures and principles of the present utility model are all known to those skilled in the art through technical manuals or through routine experimental methods.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a dyke is anti-drainage guide oozes structure that strains down, includes dyke (1), road surface (2), road subgrade (3) and guide oozes structure (4), its characterized in that: road pavement (2) have been laid at the mill body rear portion of dyke (1), and road pavement (2) below has been laid road pavement (3), road pavement (3) intussuseption is filled with and is provided with and leads and oozes structure (4), road pavement (3) of road pavement (2) below are laid by upper roadbed (7) and lower floor's roadbed (8) and are constituteed, lead compound geomembrane (9) of ooze structure (4), well coarse sand layer (10), graded gravel layer (11) and compound geotechnical basement membrane (901) set up between upper roadbed (7) and lower floor's roadbed (8), road pavement (2) surface is kept away from road pavement (5) department construction of road pavement (3) and is passed upper roadbed (7), compound geomembrane (9), well coarse sand layer (10), graded gravel layer (11), compound geotechnical basement membrane (901) and lower floor roadbed (8), lead steel soft water pipe (12) of structure (4) to pass inside slope of slope and ooze in coarse sand layer (10) along lower floor (8) slope inspection.
2. The dyke-under-road reverse-filtering drainage and seepage-guiding structure according to claim 1, wherein: the surface of the lower roadbed (8) is sequentially paved with a composite geotechnical base film (901), a middle coarse sand layer (10), a composite geotechnical film (9) and an upper roadbed (7), and the middle coarse sand layer (10) is internally wrapped with a graded broken stone layer (11).
3. The dyke-under-road reverse-filtering drainage and seepage-guiding structure according to claim 1, wherein: the seepage guiding structure (4) stretches into the bottom of the embankment (1).
4. The dyke-under-road reverse-filtering drainage and seepage-guiding structure according to claim 1, wherein: the steel-plastic soft permeable pipe (12) extends to the inside of the inspection well (6) along one percent of gradient.
5. The dyke-under-road reverse-filtering drainage and seepage-guiding structure according to claim 1, wherein: the composite geomembrane (901) and the composite geomembrane (9) are the same in membrane body material thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321152734.2U CN219908437U (en) | 2023-05-15 | 2023-05-15 | Dyke-under-road reverse-filtering drainage seepage guiding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321152734.2U CN219908437U (en) | 2023-05-15 | 2023-05-15 | Dyke-under-road reverse-filtering drainage seepage guiding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219908437U true CN219908437U (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321152734.2U Active CN219908437U (en) | 2023-05-15 | 2023-05-15 | Dyke-under-road reverse-filtering drainage seepage guiding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219908437U (en) |
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2023
- 2023-05-15 CN CN202321152734.2U patent/CN219908437U/en active Active
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