CN108343142A - A kind of flexible ecological roadbed side slope gutter and its construction method - Google Patents
A kind of flexible ecological roadbed side slope gutter and its construction method Download PDFInfo
- Publication number
- CN108343142A CN108343142A CN201810343533.8A CN201810343533A CN108343142A CN 108343142 A CN108343142 A CN 108343142A CN 201810343533 A CN201810343533 A CN 201810343533A CN 108343142 A CN108343142 A CN 108343142A
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- gutter
- layer
- side slope
- geotechnical grid
- roadbed side
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- 238000010276 construction Methods 0.000 title claims abstract description 16
- 239000002689 soil Substances 0.000 claims abstract description 29
- 239000002131 composite material Substances 0.000 claims abstract description 22
- 239000000945 filler Substances 0.000 claims abstract description 5
- 239000004746 geotextile Substances 0.000 claims description 29
- 239000012528 membrane Substances 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 abstract description 10
- 230000006378 damage Effects 0.000 abstract description 6
- 230000003796 beauty Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 239000004567 concrete Substances 0.000 description 6
- 239000004570 mortar (masonry) Substances 0.000 description 6
- 239000004575 stone Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 244000025254 Cannabis sativa Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of flexible ecological roadbed side slope gutter and its construction methods.Flexible ecological roadbed side slope gutter includes gutter ontology（1）, gutter ontology（1）Ecto-entad is equipped with composite earthwork film layer successively（2）With geotechnical grid layer（3）, geotechnical grid layer（3）Inside has been sequentially filled metalling from inside to outside（5）And planting soil layer（4）.Construction method predominantly excavates gutter ontology（1）, carry out composite earthwork film layer（2）Laying and overlap joint, carry out geotechnical grid layer（3）Laying, in geotechnical grid layer（3）Interior filling filler.The roadbed that the method for the present invention is built has the local deformation for easily bearing side slope, structure is not easy to crack and destroys, transport of materials is convenient, difficulty of construction is smaller, and cost is relatively low, smaller to the destruction of environment, beauty is not interfered with, it can beautify the environment simultaneously, the advantages of when material recovery will not cause a large amount of rubbish, suitable for Han Qu and last a long time.
Description
Technical field
The invention belongs to roadbed side slope gutter technical field, especially a kind of flexible ecological roadbed side slope gutter and its
Construction method.
Background technology
Roadbed side slope protection is to ensure one of the important measure of subgrade stability, only the stabilization ability of guaranteed roadbed side slope
Ensure road traffic safety.The common accident for being caused roadbed to destroy due to roadbed side slope unstability is had very much, such as the cunning of side slope
Slope, the side of slipping, peeling etc., these accidents are caused by precipitation increase mostly.When the water content in slope soil increases
When, the dead weight of the soil body will increase, and native land body sliding force also increases therewith, simultaneously because precipitation can direct recharge groundwater, make
Pore water pressure in slope soil rises, and effective stress declines, and thus greatly reduces the stability of roadbed side slope.Thus may be used
Know, water is one of an important factor for leading to slope instability, therefore is the weight in roadbed side slope protection works to the process problem of water
In it is weight.
At present in engineering, generally use roadbed side slope gutter Jiang Shui is drained into avoids the side slope soil body from making other than roadbed
At Moisture Damage, the stabilization of roadbed side slope is influenced.The most frequently used roadbed side slope gutter is mortar flag stone and concrete structure.This knot
Structure can solve the drainage problem of roadbed side slope, but there are also deficiencies.First, the draining of mortar flag stone and concrete structure
Ditch belongs to hardware structure, is difficult to bear the local deformation of side slope, easily causes structure crack and even destroys, the water in gutter can lead to
It crosses crack and penetrates into slope soil, cause slope instability；Secondly, mortar flag stone and concrete transportation are difficult, especially for flash
Slope engineering, difficulty of construction is larger, and the total cost in life cycle is larger, and cost is higher；In addition, large area using mortar flag stone with
Concrete can aggravate city " heat island phenomenon ", larger to the destruction of environment, while influence the beauty of roadbed side slope, from knot
For in terms of material recovery after structure is retired, a large amount of rubbish can be caused；For cold area, mortar flag stone and concrete
Easy shrinkage cracking at low ambient temperatures can influence the function and service life of structure, and therefore, a kind of service life of exploitation design is more
Long gutter is this field urgent problem.
In summary：Existing subgrade drainage structure has the local deformation for being difficult to bear side slope, easily causes structure crack very
To destruction, difficulty of construction is larger, service life shorter disadvantage.
Invention content
The object of the present invention is to provide a kind of flexible ecological roadbed side slope gutter and its construction methods.Utilize we
The subgrade drainage ditch of method construction has the local deformation for easily bearing side slope, and structure is not easy to crack and destroys, and transport of materials is convenient, applies
Work difficulty is smaller, and cost is relatively low, smaller to the destruction of environment, does not interfere with beauty, while can beautify the environment, and material returns
Time receiving will not cause a large amount of rubbish, the advantages of suitable for Han Qu and lasting a long time.
Technical scheme of the present invention：A kind of flexible ecological roadbed side slope gutter, including gutter ontology, gutter ontology
Ecto-entad is equipped with composite earthwork film layer and geotechnical grid layer successively, has been sequentially filled from inside to outside inside geotechnical grid layer broken
Rock layers and planting soil layer.
In flexible ecological roadbed side slope above-mentioned gutter, the breadth direction of the composite earthwork film layer and geotechnical grid layer
It is identical as the extending direction of gutter ontology.
In flexible ecological roadbed side slope above-mentioned gutter, the geotechnical grid layer is made of one group of geotechnical grid, geotechnique
Cell compartment is fixed on using staple on the side wall of gutter ontology, and rivet grafting is used between adjacent geotechnical grid.
In flexible ecological roadbed side slope above-mentioned gutter, the composite earthwork film layer includes geo membrane layers, geo membrane layers
Upper and lower surface be respectively equipped with upper layer geotextiles and lower layer's geotextiles.
In flexible ecological roadbed side slope above-mentioned gutter, the geo membrane layers are made of one group of geomembrane, adjacent geotechnique
Film mutually overlaps, and lap-joint uses geomembrane glue sticking.
In flexible ecological roadbed side slope above-mentioned gutter, the upper layer geotextiles and lower layer's geotextiles are by one group of soil
Work cloth is constituted, and geotextiles glue sticking is used between adjacent geotextiles.
In flexible ecological roadbed side slope above-mentioned gutter, grass-seed is equipped in the planting soil layer.
In flexible ecological roadbed side slope above-mentioned gutter, the height of the planting soil layer is geotechnical grid layer inside wall height
40%-60%.
In flexible ecological roadbed side slope above-mentioned gutter, the metalling top surface is concordant at the top of geotechnical grid layer.
A kind of construction method in flexible ecological roadbed side slope gutter, includes the following steps：
Step S1：Excavate gutter ontology；
Step S2：Carry out laying and the overlap joint of composite earthwork film layer；
Step S3：Carry out the laying of geotechnical grid layer；
Step S4：Filler is filled in geotechnical grid layer.
Beneficial effects of the present invention：Compared with prior art, discharge structure of the invention is more flexible, wherein gutter ontology
The composite earthwork film layer of interior laying can effectively act as diversion impermeable role, prevent precipitation from penetrating into and cause side in slope soil
Slope unstability, composite earthwork film layer corrosion resistance and good have more permanent service life, geotechnical grid layer flexible reinforcement structure energy
It is enough well adapted for the deformation of the roadbed side slope soil body, and high with intensity, corrosion resistance and good, good extending performance, deformation modulus
The advantages that big, after geotechnical grid is with soil deformation, structure will not cracking, and still can keep good stability and draining work(
Can, filling planting soil and metalling, can pass through the side between geotechnical grid sheet material and planting soil and metalling in geotechnical grid
The deformation that structure is maintained to effect of contraction, makes structure more safety and stability, grass seed mixture is sowed in planting soil, can alleviate
" heat island phenomenon " can also beautify the environment, and metalling can effectively ensure the stability of the soil body in geotechnical grid, while also may be used
Be flushed away under flow action with preventing from banketing, avoid causing soil erosion, at the same the required geomembrane of the present invention, geotextiles and
The all more convenient transport of geotechnical grid, when construction, are also very easy, and the influence to ambient enviroment is very small, and cost is also very low,
Planting soil can gather materials on the spot, the human and material resources spent by the reduction construction of high degree and financial resources, soil of the present invention
Geosynthetics are easy recycling, will not generate a large amount of rubbish, and its low temperature resistant effect as mortar flag stone and concrete
It is good, good flexibility can be still kept at -60 DEG C, is suitable for the use of Han Qu, its durability is also very strong, it is ensured that row
The more permanent service life of ditch structure.
In conclusion there is the local deformation for easily bearing side slope using the roadbed built of the present invention, structure it is not easy to crack and
It destroys, transport of materials is convenient, and difficulty of construction is smaller, and cost is relatively low, smaller to the destruction of environment, does not interfere with beauty, together
When can beautify the environment, the advantages of when material recovery will not cause a large amount of rubbish, suitable for Han Qu and last a long time.
Description of the drawings
Fig. 1 is the section structure diagram of the present invention；
Fig. 2 is staple structural schematic diagram；
Fig. 3 is composite earthwork film layer bridging arrangement schematic diagram；
Reference sign：The gutters 1- ontology, 2- composite earthwork film layers, 3- geotechnical grid layers, 4- planting soil layers, 5- rubbles
Layer, 6-U staples, 21- geo membrane layers, the upper layers 22- geotextiles, 23- lower layers geotextiles, 24- geomembranes, 25- geomembrane glue, 26-
Geotextiles, 27- geotextiles glue.
Specific implementation mode
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Embodiment.A kind of flexible ecological roadbed side slope gutter is constituted as shown in Figs. 1-3, including gutter ontology 1, row
Ontology 1 ecto-entad in ditch is equipped with composite earthwork film layer 2 and geotechnical grid layer 3 successively, inside geotechnical grid layer 3 from inside to outside
It has been sequentially filled metalling 5 and planting soil layer 4.The cross section of gutter ontology 1 uses trapezoidal cross-section form, draining in the present invention
Both sides slope gradient in ditch ontology 1 is relatively slow, is conducive to the stabilization of composite earthwork film layer 2 and geotechnical grid layer 3, and trapezoidal cross
Basal area is larger, it is ensured that drainage flow.
Extending direction phase of the breadth direction of the composite earthwork film layer 2 and geotechnical grid layer 3 with gutter ontology 1
Together.
The geotechnical grid layer 3 is made of one group of geotechnical grid, and geotechnical grid is fixed on gutter ontology 1 using staple 6
Side wall on, between adjacent geotechnical grid use rivet grafting.
The composite earthwork film layer 2 includes geo membrane layers 21, and the upper and lower surface of geo membrane layers 21 is respectively equipped with
Layer geotextiles 22 and lower layer's geotextiles 23.
The geo membrane layers 21 are made of one group of geomembrane 24, and adjacent geomembrane 24 mutually overlaps, and lap-joint is using geotechnique
Film glue 25 is bonded.
The upper layer geotextiles 22 and lower layer's geotextiles 23 are made of one group of geotextiles 26, are adopted between adjacent geotextiles
It is bonded with geotextiles glue 27.
Grass-seed is equipped in the planting soil layer 4.Grass-seed is made of a variety of grass-seeds.
The height of the planting soil layer 4 is the 40%-60% of 3 inside wall height of geotechnical grid layer.
5 top surface of the metalling is concordant with 3 top of geotechnical grid layer.
The construction method in flexible ecological roadbed side slope gutter, includes the following steps：
Step S1：Excavate gutter ontology 1；
Step S2：Carry out laying and the overlap joint of composite earthwork film layer 2；
Step S3：Carry out the laying of geotechnical grid layer 3；
Step S4：Filler is filled in geotechnical grid layer 3.
The specific implementation mode of the present invention includes the following steps：
（1）Excavate gutter ontology 1：Gutter is excavated on the side slope surface and roadbed both sides for being included in roadbed excavation section, and is carried out
Gutter inner wall finishing；
（2）The laying of composite earthwork film layer 2 and overlap joint：It is included in 1 inside of gutter ontology and is laid with composite earthwork film layer 21, upper layer
Geotextiles 22 and lower layer's geotextiles 23, specifically first carry out the bonding of subsoil work cloth 23, then carry out the bonding of geo membrane layers 21,
Finally carry out the bonding of upper layer geotextiles 22, the overlapping part being bonded by geomembrane glue 25 and geotextiles glue 27, to protect
Card overlap joint effect needs to suppress for several times the rolling of overlap progress concora crush roller for several times or with wooden mallet；
（3）The laying of geotechnical grid layer 3：Laying including geotechnical grid and overlap joint, geotechnical grid is unfolded first, then by exhibition
The geotechnical grid opened is close to composite earthwork film layer 2 and is paved, and geotechnical grid is tensed, and finally staple 6 is used to fix geotechnical grid,
Rivet grafting is used between adjacent geotechnical grid；
（4）Filler is filled in geotechnical grid layer 3：Including filling planting soil layer 4, grass-seed and filling metalling 5 are sowed, first in geotechnique
In cell compartment layer 3 then filling planting soil layer 4 is being planted to the 40%-60% of 3 inside wall height of geotechnical grid layer by the way of sowing grass seeds by duster
Grass seed mixture is sowed in soil layer 4, finally in the geotechnical grid layer 3 filling metalling 5 to its either flush, metalling 5 fills out
It sprinkles water and conserves after filling.
Claims (10)
1. a kind of flexible ecological roadbed side slope gutter, it is characterised in that：Including gutter ontology（1）, gutter ontology（1）By
It is equipped with composite earthwork film layer successively outside to inside（2）With geotechnical grid layer（3）, geotechnical grid layer（3）It is internal from inside to outside successively
Filled with metalling（5）And planting soil layer（4）.
2. flexible ecological roadbed side slope according to claim 1 gutter, it is characterised in that：The composite earthwork film layer
（2）With geotechnical grid layer（3）Breadth direction with gutter ontology（1）Extending direction it is identical.
3. flexible ecological roadbed side slope according to claim 1 gutter, it is characterised in that：The geotechnical grid layer（3）
It is made of one group of geotechnical grid, geotechnical grid uses staple（6）It is fixed on gutter ontology（1）Side wall on, it is adjacent geotechnique lattice
Rivet grafting is used between room.
4. flexible ecological roadbed side slope according to claim 1 gutter, it is characterised in that：The composite earthwork film layer
（2）Including geo membrane layers（21）, geo membrane layers（21）Upper and lower surface be respectively equipped with upper layer geotextiles（22）And lower layer
Geotextiles（23）.
5. flexible ecological roadbed side slope according to claim 4 gutter, it is characterised in that：The geo membrane layers（21）By
One group of geomembrane（24）It constitutes, adjacent geomembrane（24）Mutually overlap joint, lap-joint use geomembrane glue（25）Bonding.
6. flexible ecological roadbed side slope according to claim 4 gutter, it is characterised in that：The upper layer geotextiles（22）
With lower layer's geotextiles（23）It is by one group of geotextiles（26）It constitutes, geotextiles glue is used between adjacent geotextiles（27）Bonding.
7. flexible ecological roadbed side slope according to claim 1 gutter, it is characterised in that：The planting soil layer（4）In
Equipped with grass-seed.
8. flexible ecological roadbed side slope according to claim 1 gutter, it is characterised in that：The planting soil layer（4）'s
Height is geotechnical grid layer（3）The 40%-60% of inside wall height.
9. flexible ecological roadbed side slope according to claim 1 gutter, it is characterised in that：The metalling（5）Top surface
With geotechnical grid layer（3）Top is concordant.
10. a kind of construction method in flexible ecological roadbed side slope as described in claim 1 gutter, it is characterised in that：Including
Following steps：
Step S1：Excavate gutter ontology（1）；
Step S2：Carry out composite earthwork film layer（2）Laying and overlap joint；
Step S3：Carry out geotechnical grid layer（3）Laying；
Step S4：In geotechnical grid layer（3）Interior filling filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343533.8A CN108343142A (en) | 2018-04-17 | 2018-04-17 | A kind of flexible ecological roadbed side slope gutter and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343533.8A CN108343142A (en) | 2018-04-17 | 2018-04-17 | A kind of flexible ecological roadbed side slope gutter and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108343142A true CN108343142A (en) | 2018-07-31 |
Family
ID=62955133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810343533.8A Pending CN108343142A (en) | 2018-04-17 | 2018-04-17 | A kind of flexible ecological roadbed side slope gutter and its construction method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487901A (en) * | 2018-12-25 | 2019-03-19 | 中力禾生态建设股份有限公司 | A kind of the Demonstration for Ecological Sanitation trench system and construction method in sponge city |
| CN110374178A (en) * | 2019-06-17 | 2019-10-25 | 长沙理工大学 | A kind of construction method in novel plain stage of slope gutter |
| CN113123425A (en) * | 2019-12-31 | 2021-07-16 | 许昌学院 | Soft body structure side slope drainage device for side slope construction maintenance |
| CN115010450A (en) * | 2022-06-29 | 2022-09-06 | 中国电建集团华东勘测设计研究院有限公司 | Roadbed material prepared from salt-containing sludge and road with salt seepage prevention and control capability |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487901A (en) * | 2018-12-25 | 2019-03-19 | 中力禾生态建设股份有限公司 | A kind of the Demonstration for Ecological Sanitation trench system and construction method in sponge city |
| CN110374178A (en) * | 2019-06-17 | 2019-10-25 | 长沙理工大学 | A kind of construction method in novel plain stage of slope gutter |
| CN113123425A (en) * | 2019-12-31 | 2021-07-16 | 许昌学院 | Soft body structure side slope drainage device for side slope construction maintenance |
| CN113123425B (en) * | 2019-12-31 | 2024-01-26 | 许昌学院 | Soft structure slope drainage device for slope construction maintenance |
| CN115010450A (en) * | 2022-06-29 | 2022-09-06 | 中国电建集团华东勘测设计研究院有限公司 | Roadbed material prepared from salt-containing sludge and road with salt seepage prevention and control capability |
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