CN207760676U - Red Sandstone filled-up ground structure - Google Patents
Red Sandstone filled-up ground structure Download PDFInfo
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- CN207760676U CN207760676U CN201721817505.2U CN201721817505U CN207760676U CN 207760676 U CN207760676 U CN 207760676U CN 201721817505 U CN201721817505 U CN 201721817505U CN 207760676 U CN207760676 U CN 207760676U
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- red sandstone
- roadbed
- bank protection
- ground structure
- structure according
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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
Abstract
The utility model is related to a kind of filled-up ground structures, more particularly to a kind of Red Sandstone filled-up ground structure, including the water barrier being layed on soil matrix, the roadbed body being layed on the water barrier and the road surface structare layer being layed on the roadbed body, bank protection has been constructed in roadbed body both sides respectively, and the roadbed body includes the red sandstone embankment, drainage blanket and roadbed being laid with successively from bottom to up.The utility model constructs bank protection by the way that drainage blanket is arranged between red sandstone embankment and roadbed, and in roadbed body both sides, can utmostly reduce water to red sandstone roadbed destruction, control entering inside roadbed for water, keep red sandstone roadbed integral strength and stability.
Description
Technical field
The utility model is related to a kind of filled-up ground structures, and in particular to a kind of Red Sandstone filled-up ground structure.
Background technology
China is Central-South, the provinces such as southwestern, Red Sandstone generally existing, Red Sandstone has the stronger water property of softening, in dry and wet
It is disintegrated under ringing strongly, intensity declines comparatively fast, and water imbibition is strong, should not be compacted, and caking property is small, is in loose media after disintegration；
Water is met due to Red Sandstone easily soften, be disintegrated, cohesive force is weak, it is difficult to be compacted, water has prodigious unfavorable shadow to red sandstone roadbed structure
It rings, by way of the intrusion of rainfall, excess surface water and underground water, roadbed bank protection is made to wash away generation slump, roadbed inside Red Sandstone
Water strength reduction is met, differential settlement is generated under load action.
In Practical Project, shines and drench with rain through overheat, Red Sandstone bank protection caves in, settlement of subgrade situation is very serious, institute
To need to design in the form of a kind of rational road structure, a kind of road structure form that can block water hydrophobic.
Invention content
In order to overcome above-mentioned the shortcomings of the prior art, the purpose of this utility model be to provide it is a kind of can block water it is hydrophobic
Red Sandstone filled-up ground structure can utmostly reduce water to red sandstone roadbed destruction, control entering inside roadbed for water, protect
Hold red sandstone roadbed integral strength and stability.
To achieve the above object, the technical solution of the utility model is a kind of Red Sandstone filled-up ground structure, including is laid with
In water barrier, the roadbed body that is layed on the water barrier and the pavement structure being layed on the roadbed body on soil matrix
Bank protection has been constructed in layer, roadbed body both sides respectively, and the roadbed body includes the red sandstone embankment being laid with successively from bottom to up, row
Water subfill and roadbed.
Further, impervious barrier is set between the bank protection and the roadbed body, and the bank protection is graded broken stone bank protection.
Further, drainpipe is embedded in the drainage blanket, the drainpipe sequentially passes through the impervious barrier and institute
It states bank protection and extends to outside bank protection.
Further, the drainage blanket include the impervious barrier lower layer set gradually from bottom to up, graded broken stone middle level and
Permeable geotextiles upper layer.
Further, the thickness in the graded broken stone middle level is 12cm~18cm.
Further, the water barrier includes on the sand lower layer set gradually from bottom to up, impervious barrier middle level and sand
Layer.
Further, the thickness on the sand upper layer and the thickness of sand lower layer are 12cm~18cm.
Further, the thickness of the bank protection is 25~50cm, and the gradient of the bank protection is 1:1.25~1:1.5.
Further, it is both provided on the soil matrix of roadbed body both sides along the longitudinally arranged gutter of route.
Further, the roadbed is that Red Sandstone improves soil layer.
Compared with prior art, the beneficial effects of the utility model：
（1）Red Sandstone filled-up ground structure provided by the utility model can utmostly reduce water and be broken to red sandstone roadbed
It is bad, entering inside roadbed for water is controlled, red sandstone roadbed integral strength and stability are kept；
（2）Red Sandstone filled-up ground structure provided by the utility model effectively reduces water and is enriched to bank protection, prevents water
It is permeated into roadbed, prevents the infringement of underground water or capillary water to top roadbed, Red Sandstone is avoided to meet water softening, argillization as far as possible
Phenomenon；
（3）Material and duration is greatly saved in Red Sandstone filled-up ground structure provided by the utility model, improves engineering
Quality can gather materials on the spot, and avoid a large amount of earthwork allocation and transportation and spoir, reduce project cost.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the schematic diagram for the Red Sandstone filled-up ground structure that the utility model embodiment provides；
In figure：1, soil matrix, 2, water barrier, 3, red sandstone embankment, 4, drainage blanket, 5, roadbed, 6, road surface structare layer, 7, shield
Slope, 8, impervious barrier, 9, gutter.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, the utility model embodiment provides Red Sandstone filled-up ground structure, including it is layed on soil matrix 1
Water barrier 2, the roadbed body being layed on water barrier 2 and the road surface structare layer 6 being layed on roadbed body, roadbed body both sides difference
Bank protection 7 is constructed, roadbed body includes the red sandstone embankment 3, drainage blanket 4 and roadbed 5 being laid with successively from bottom to up.Can effectively it prevent
Sealing is permeated into roadbed, anti-that material and duration is greatly saved, and improves construction quality；This road structure settlement stability, can
To meet the long-time stability requirement of Red Sandstone highway subgrade.
In the present embodiment, impervious barrier 8 is set, bank protection 7 is graded broken stone bank protection between bank protection 7 and roadbed body.By protecting
Impervious barrier 8 is set between slope 7 and roadbed body, effectively reduces water and bank protection is enriched, prevent water from being permeated into roadbed, prevent ground
The infringement of lower water or capillary water to top roadbed avoids Red Sandstone from meeting water softening, argillization phenomenon, keeps roadbed integrally strong as far as possible
Degree and stability have good bearing capacity.
In the present embodiment, drainpipe is embedded in drainage blanket 4, drainpipe sequentially passes through impervious barrier 8 and bank protection 7 and extends
To outside bank protection 7.By burying drainpipe in drainage blanket 4, is conducive to discongesting for roadbed internal water, reduces water to Red Sandstone road
The destruction of dike 3 keeps red sandstone roadbed integral strength and stability.
In the present embodiment, drainage blanket 4 include set gradually from bottom to up impervious barrier lower layer, graded broken stone middle level and thoroughly
Water geotextiles upper layer；This structure can ensure good bearing capacity, be conducive to discongesting for roadbed internal water, effectively prevent water
It is permeated into red sandstone embankment, keeps roadbed integral strength and stability.
In the present embodiment, the thickness in graded broken stone middle level is 12cm~18cm, preferably 15cm；With fairly good carrying energy
Power has certain drain function.
In the present embodiment, water barrier 2 includes on sand lower layer, impervious barrier middle level and the sand set gradually from bottom to up
Layer；Effectively roadbed can be isolated with soil matrix, avoid surface water and groundwater from entering the roadbed, and then ensure roadbed bulk settling
Stablize, reduces water to red sandstone roadbed structural damage, keep red sandstone roadbed structure integral strength and stability.
In the present embodiment, the sand upper thickness and sand lower thickness are 12cm~18cm, sand upper thickness
With the preferred 15cm of sand lower thickness；With preferable penetrating power.
In the present embodiment, 7 thickness of the bank protection is 25~50cm, and 7 gradient of the bank protection is 1:1.25~1:1.5, preferably
Bank protection thickness is 30cm, and the bank protection gradient is 1.3；The requirement that red sandstone embankment stability can be met ensures the stability of bank protection.
In the present embodiment, it is both provided on the soil matrix 1 of roadbed body both sides along the longitudinally arranged gutter of route 9.
In the present embodiment, roadbed 5 is that Red Sandstone improves soil layer.Further, in this embodiment used Red Sandstone changes
It is good soil be uniformly mixed in Red Sandstone 5%~9% improved materials constitute, improved materials be cement, one kind in white lime or
It two kinds, is preferably uniformly oozed in Red Sandstone and mixes 7% white lime；Red Sandstone is improved using cement or white lime, can be changed significantly
The physics and engineering properties of kind Red Sandstone, improve its durability as roadbed embankment material, raising Red Sandstone conditioned soil intensity,
Water stability and globality.
The Red Sandstone conditioned soil in Red Sandstone and roadbed 5 in the present embodiment in red sandstone embankment 3, can gather materials on the spot,
Material and duration is greatly saved, improves construction quality, can avoid a large amount of earthwork allocation and transportation and spoir, reduce project cost；
And Red Sandstone conditioned soil can effectively solve the problems, such as that Red Sandstone meets water and easily softens, is disintegrated, and enhance roadbed integral strength and stability,
Multilayer is constructed to ensure that compactness meets design requirement.
In the present embodiment, the impervious barrier middle level in impervious barrier lower layer, water barrier 2 in impervious barrier 8, drainage blanket 4 is
Anti-seepage geomembrane；The antiseepage coefficient of anti-seepage geomembrane is high, integrates antiseepage and drainage, is provided simultaneously with isolation and reinforcement etc.
Function, combined strength bination is high, peel strength is big, punctured resistance is high, and drainability is strong, friction coefficient is big, linear expansion coefficient is small, resistance to old
Change performance is good, adaptation ambient temperature range is wide, stable quality.
In the present embodiment, road surface structare layer 6 is made of cement stabilized macadam base and asphalt surface course, overall thickness be 65~
80cm, preferred thickness 75cm；This road surface structare layer fatigue performance and bearing capacity are excellent.
In the present embodiment, red sandstone embankment 3 fills for multilayer, to meet 96% compaction requirement.
In the present embodiment, red sandstone embankment 3 is constructed layer multilayer is constructed from bottom to top substantially by multiple, and every layer of loose laying depth is
25~35cm, preferably every layer of loose laying depth are 30cm；Multilayer is constructed to ensure that every layer can be compacted, and ensure whole compactness
Meet design requirement.
In the present embodiment, roadbed 5 refers to the roadbed part within the scope of 6 or less 80cm of road surface structare layer.
In the present embodiment, roadbed 5 is that Red Sandstone conditioned soil multilayer fills compositions, the loose laying depth of every layer of conditioned soil for 20~
30cm, preferably every layer of loose laying depth are 25cm；Filled using Red Sandstone conditioned soil, can effectively solve Red Sandstone meet water easily soften,
The problem of disintegration, enhances roadbed integral strength and stability, multilayer is constructed to ensure that compactness meets design requirement.
In the present embodiment, water barrier 2 is higher than underground water, to meet requirement for bearing capacity.
In the present embodiment, for the anti-seepage geomembrane in water barrier 2 by waterproof glue, lap width is more than 3.5m；Energy
Ensure that good waterproof effect, marine glue have good cementability and leakproofness, ageing-resistant performance is splendid, can be connect for a long time with water
It touches.
In the present embodiment, 7 inside anti-seepage geomembrane of bank protection wants apertured, and convenient for embedded drainpipe, drainpipe is extended to shield
On the inside of slope outside impervious barrier 8, to be drained.
In the present embodiment, drainage blanket 4 will be docked with bank protection 7, in favor of draining.
In the present embodiment, drainage blanket 4 is arranged below away from roadbed top surface at 80cm.
In the present embodiment, for high-fill roadbed, bank protection face uses sash beam framework bank protection, turfing.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the right of the utility model.
Although more using terms such as drainage blanket, water barrier, impervious barriers herein, it is not precluded and uses other terms
Possibility.The use of these items is only for more easily describe and explain；It is additional to be construed as any type
Limitation is all contrary to the spirit of the present invention.
Claims (10)
1. Red Sandstone filled-up ground structure, including it is layed in soil matrix（1）On water barrier（2）, be layed in the water barrier（2）On
Roadbed body and the road surface structare layer that is layed on the roadbed body（6）, bank protection has been constructed in roadbed body both sides respectively
（7）, it is characterised in that：The roadbed body includes the red sandstone embankment being laid with successively from bottom to up（3）, drainage blanket（4）The road and
Bed（5）.
2. Red Sandstone filled-up ground structure according to claim 1, it is characterised in that：The bank protection（7）With the roadbed
Impervious barrier is set between body（8）, the bank protection（7）For graded broken stone bank protection.
3. Red Sandstone filled-up ground structure according to claim 2, it is characterised in that：The drainage blanket（4）It is interior embedded
There are drainpipe, the drainpipe to sequentially pass through the impervious barrier（8）With the bank protection（7）And extend to bank protection（7）Outside.
4. Red Sandstone filled-up ground structure according to claim 1, it is characterised in that：The drainage blanket（4）Including from
Under the supreme impervious barrier lower layer set gradually, graded broken stone middle level and permeable geotextiles upper layer.
5. Red Sandstone filled-up ground structure according to claim 4, it is characterised in that：The thickness in the graded broken stone middle level
For 12cm~18cm.
6. Red Sandstone filled-up ground structure according to claim 1, it is characterised in that：The water barrier（2）Including under
The supreme sand lower layer set gradually, impervious barrier middle level and sand upper layer.
7. Red Sandstone filled-up ground structure according to claim 6, it is characterised in that：The thickness and sand on the sand upper layer
The thickness of native lower layer is 12cm~18cm.
8. Red Sandstone filled-up ground structure according to claim 2, it is characterised in that：The bank protection（7）Thickness be 25
~50cm, the bank protection（7）The gradient be 1:1.25~1:1.5.
9. Red Sandstone filled-up ground structure according to claim 2, it is characterised in that：Soil matrix positioned at roadbed body both sides
（1）On be both provided with along the longitudinally arranged gutter of route（9）.
10. Red Sandstone filled-up ground structure according to claim 1, it is characterised in that：The roadbed（5）Change for Red Sandstone
Good soil layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721817505.2U CN207760676U (en) | 2017-12-22 | 2017-12-22 | Red Sandstone filled-up ground structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721817505.2U CN207760676U (en) | 2017-12-22 | 2017-12-22 | Red Sandstone filled-up ground structure |
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| Publication Number | Publication Date |
|---|---|
| CN207760676U true CN207760676U (en) | 2018-08-24 |
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ID=63188304
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721817505.2U Active CN207760676U (en) | 2017-12-22 | 2017-12-22 | Red Sandstone filled-up ground structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827031A (en) * | 2020-07-15 | 2020-10-27 | 中国二十冶集团有限公司 | Construction method of stone-filled embankment |
-
2017
- 2017-12-22 CN CN201721817505.2U patent/CN207760676U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827031A (en) * | 2020-07-15 | 2020-10-27 | 中国二十冶集团有限公司 | Construction method of stone-filled embankment |
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