CN207227880U - A kind of cheuch phase weak soil combined type, which is changed, fills out structure and cheuch is mutually soft soil roadbed - Google Patents
A kind of cheuch phase weak soil combined type, which is changed, fills out structure and cheuch is mutually soft soil roadbed Download PDFInfo
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- CN207227880U CN207227880U CN201720537585.XU CN201720537585U CN207227880U CN 207227880 U CN207227880 U CN 207227880U CN 201720537585 U CN201720537585 U CN 201720537585U CN 207227880 U CN207227880 U CN 207227880U
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Abstract
The utility model, which provides a kind of cheuch phase weak soil combined type and changes, fills out structure and cheuch is mutually soft soil roadbed, is related to Soft Ground field.The utility model, which provides a kind of cheuch phase weak soil combined type suitable for In The Granite Area and changes, fills out structure, and the fast quick change of ground for the cheuch phase weak soil that can be applied to In The Granite Area fills out processing, mainly includes granite residual soil layer, metalling and ragstone layer from top to down；Wherein slabstone is arranged on foundation pit bottom, and rubble is layed on slabstone as transition zone, and granite residual soil layer is layed on metalling.The utility model additionally provides that a kind of cheuch is mutually soft soil roadbed, is changed which employs above-mentioned cheuch phase weak soil combined type and fills out structure.Cheuch phase weak soil combined type provided by the utility model, which is changed, fills out structure and cheuch is mutually soft soil roadbed can save project cost, shortens the cycle, effectively ensures weak sub-grade treatment effect.
Description
Technical field
Soft Ground field is the utility model is related to, changes and fills out in particular to a kind of cheuch phase weak soil combined type
Structure and cheuch are mutually soft soil roadbed.
Background technology
Granite residual soil is a kind of Special soil, has the height of amount containing gravel, intensity and the characteristics of high capacity after compacting.
According to《Highway subgrade design specification》(JTG D30-2015) and《Highway construction standardized technique guide》It is required that soft base changes
Filling chock material is generally gravel, rubble, slabstone, hard and cuts into a mountain the dank materials such as rock ballast.However, In The Granite Area cheuch phase weak soil
More develop, weak soil thickness is relatively large, if weak soil replacing method is all using the hard material such as outsourcing gravel, rubble and slabstone
Material, only treatment of soft foundation will produce great expense.Under normal conditions, granite cheuch phase soft clay area has the characteristics that：First,
It is big that soft base along the line changes the amount of filling out, and massif amount of excavation is also big, if soft base is changed and filled out all using outsourcing material, can not only produce huge
Expense, can also produce a large amount of mud and massif and excavate digging soil；Second, route major part section is nearby without large and medium-sized river and quarrying
, therefore the material source such as gravel, rubble, slabstone is nervous, the limits throughput in stock ground, and haul distance is farther out；3rd, spoil ground expropriation of land along the line is tired
Difficulty, and it is expensive to take over the land for use.
Utility model content
Changed the purpose of this utility model is to provide a kind of cheuch phase weak soil combined type and fill out structure, it can save engineering throwing
Money, shortens the construction time, effectively ensures weak sub-grade treatment effect.
The another object of the utility model is to provide a kind of cheuch mutually soft soil roadbed, it can save construction investment, contracting
The short construction time, effectively ensures weak sub-grade treatment effect.
The utility model provides a kind of technical solution：
A kind of cheuch phase weak soil combined type, which is changed, fills out structure, applied to Granite Region cheuch phase Soft Ground, including flower
Gang Yan remains soil layer, metalling and ragstone layer, and the metalling is layed on the ragstone layer, the granite residual soil layer paving
On the metalling.
Further, the granite residual soil layer is laid with using granite residual soil, the granite residual soil layer
Loose laying depth is 30cm.
Further, the paving thickness of the metalling is 30cm, and the compactness of the metalling is described broken more than 90%
Rock layers use hard rock rubble, and ballast grain sizes are generally 2-4cm, and maximum particle diameter should be less than 5cm.
Further, the ragstone layer is mainly used for changing below construction ordinary water level and fills out, and the layering paving thickness of slabstone is general
For 40~60cm, ragstone layer total thickness is generally 50cm~150cm, and the especially abundant location of underground water is contemplated that appropriate increase
Slabstone layer thickness, the compactness of the ragstone layer should be greater than 90%, and the unconfined compressive strength of slabstone should meet to be not less than
30Mpa, the maximum particle diameter of slabstone pave the 2/3 of thickness less than the ragstone layer.
A kind of cheuch is mutually soft soil roadbed, including highway subgrade and compound change of cheuch phase weak soil fill out structure, and the cheuch is mutually soft
Soil, which changes, to be filled out structure and is applied to Granite Region cheuch phase Soft Ground, including granite residual soil layer, metalling and ragstone layer,
The metalling is layed on the ragstone layer, and the granite residual soil layer is layed on the metalling.The highway road
Base is arranged on the top of the granite residual soil layer.
Further, the cheuch is mutually soft soil roadbed further includes roadbed gutter, the extending direction of the roadbed gutter and institute
It is identical to state the extending direction of highway subgrade, and the roadbed gutter is two, and two roadbed gutters are separately positioned on the public affairs
The both sides of road roadbed.
Further, the cross section of the highway subgrade is trapezoidal, and multiple public affairs are additionally provided with the highway subgrade
Road subgrade drainage ditch, multiple highway subgrade gutters are separately positioned on the inclined-plane of the both sides of the highway subgrade, also, more
A highway subgrade gutter is arranged on the public affairs at equal intervals perpendicular to the roadbed gutter, multiple highway subgrade gutters
The side of road roadbed.
Compared with prior art, cheuch phase weak soil combined type provided by the utility model, which is changed, fills out structure and cheuch is mutually soft soil roadbed
Beneficial effect be：
Cheuch phase weak soil combined type provided by the utility model, which is changed, fills out structure and cheuch is mutually soft soil roadbed, residual using granite
The organic assembling of product soil, slabstone and rubble change filling out to soft base, by being laid with one layer of granite on ragstone layer and metalling
Soil layer is remained, needs a part for substantial amounts of ragstone layer or metalling originally with replacement, neighbouring granite can be made full use of residual
Product earth material, reduces haul distance and discarded side so that and production cost is greatly reduced, also, since filler allocation and transportation distance is near so that apply
Largely shortened between man-hour, show that weak sub-grade treatment effect can reach preferable mark by compbined test detection
Standard, has the technology economy advantages such as punish good effect, low engineering cost, the cycle is short, preserves the ecological environment.Also, change the piece filled out
The water stability of stone and rubble is good, the super quiet pore water for filling ground deep when can effectively reduce embankment of slabstone and rubble
Pressure.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the cross-sectional view at soft soil roadbed first visual angle that the utility model first embodiment provides；
Fig. 2 is the enlarged structure schematic diagram at II in Fig. 1；
Fig. 3 is enlarged structure schematic diagram local in Fig. 1；
Fig. 4 is the structure diagram at mutually soft soil roadbed second visual angle of cheuch that the utility model first embodiment provides.
Icon：10- cheuch phase weak soil combined types, which are changed, fills out structure；11- cheuches are mutually soft soil roadbed；100- granite residual soils
Layer；200- metallings；300- ragstone layers；400- highway subgrades；410- highway pavements；The first highway pavements of 411-；412- second
Highway pavement；420- roadbed gutters；430- highway subgrades gutter；500- catch pits.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the utility model, it is to be understood that the orientation or position of the instruction such as term " on ", " under ", " outer "
Put relation be based on orientation shown in the drawings or position relationship, or the utility model product using when the orientation usually put
Or position relationship, or the orientation that usually understands of those skilled in the art or position relationship, it is for only for ease of and describes this reality
With new and simplify description, rather than instruction or imply that signified equipment or element there must be specific orientation, with specific
Azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that instruction or hint
Relative importance.
In the description of the utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can mechanically connect or be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can is the connection inside two elements.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
First embodiment
Structure 10 is filled out referring to Fig. 1, present embodiments providing a kind of cheuch phase weak soil combined type and changing, applied to granite
Regional cheuch phase Soft Ground, it can save construction investment, shorten the construction time, effectively ensure weak sub-grade treatment effect
Fruit.Wherein, cheuch phase weak soil combined type, which is changed, fills out structure 10 and includes granite residual soil layer 100, metalling 200 and ragstone layer 300,
Metalling 200 is laid on ragstone layer 300, and granite residual soil layer 100 is laid on metalling 200.
In the present embodiment, granite residual soil layer 100, metalling 200 and ragstone layer 300 are layed in Horizon successively
Below face.It is required that the compactness for respectively filling layer reaches 90%~93% requirement, to avoid granite residual soil layer 100, rubble
Layer 200 and ragstone layer 300 cause to settle excessive or foundation instability because being compacted deficiency so that cheuch phase weak soil combined type, which is changed, fills out structure
10 is more firm.
Please refer to Fig. 1 and Fig. 2, further, granite residual soil layer 100 using granite residual soil be laid with and
Into granite residual soil massif excavation for along, makes full use of massif to excavate digging soil, reduce cheuch phase weak soil combined type and change
The production cost of structure 10 is filled out, and granite residual soil is a kind of Special soil, and its engineering characteristic has amount containing gravel big, holds
It is higher to carry power, while can guarantee that cheuch phase weak soil combined type changes the punishment effect for filling out structure 10.In addition, granite residual soil layer
100 loose laying depth is 30cm, i.e., thickness of the granite residual soil layer 100 before compression is 30cm.
In the present embodiment, the physical mechanical property index for the granite residual soil that granite residual soil layer 100 uses：Liquid
The scope of limit is 24.7%~42%, and the scope of plasticity index is 10.1%~23.2%, and the scope of roadbed carrying ratio is
4.7~26.3.
Metalling 200 is laid on the lower section of granite residual soil layer 100 and the top of ragstone layer 300.Metalling 200 uses
The graded broken stone that forms of compacting rubble is made, and the ballast grain sizes used are less than 5cm so that graded broken stone it is structural more
By force so that metalling 200 is more firm.In addition, the clay content of metalling 200 is less than 5%, dry density should be greater than 2.0t/m3.At this
In embodiment, the scopes of ballast grain sizes is 3cm~5cm, clay content 2.5%, dry density 2.2t/m3.It should be understood that
In other embodiments, the graded broken stone that metalling 200 can not also use compacting rubble to form is made, and metalling 200 also may be used
To be made of unweathered gravel by nature.
Further, the paving thickness of metalling 200 is 30cm, also, metalling 200 after the completion of laying, it is necessary to adopt
Rolled more than four times with 30t vibrated rollers, overlapping 1/3 is not answered all over the wheelmark rolled, so that the compactness of metalling 200 is more than
90%.To ensure the stability of metalling 200.
Ragstone layer 300 is laid on the lower section of metalling 200, and ragstone layer 300 is laid with using slabstone and formed, the maximum grain of slabstone
Footpath paves the 2/3 of thickness less than ragstone layer 300.In the present embodiment, the single shaft saturation pressure resistance for the slabstone that ragstone layer 300 uses
Degree is greater than or equal to 30MPa, and the maximum particle diameter of slabstone is 60cm.Slabstone cannot use swelling rock, strongly soluble rock or
Salinization rock.In the present embodiment, the thickness range of ragstone layer 300 is in 50cm~150cm.
Good positioned at the ragstone layer 300 of lower floor and the water stability of metalling 200, slabstone and filling for rubble can effectively dissipate
The excess pore water pressure in embankment groundwork deep.And massif granite residual soil excavation, which is used as, along make use of changes
Filling chock material, instead of rubble and slabstone that a part used originally, structure the last 10 is filled out ensure that cheuch phase weak soil combined type is changed
In the case of degree, the cost of purchase rubble and slabstone is reduced, shortens the construction time, while also protect the life of job location
State environment.
In addition, cheuch phase weak soil combined type changes and fills out structure 10 and further include longitudinal drainage ditch (not shown), longitudinal drainage ditch is set
Put in the both sides of bottom of foundation ditch, and longitudinal drainage ditch is consistent with the extending direction of foundation pit.Longitudinal drainage ditch is used for foundation pit bottom
The drainage of portion's ponding, excludes easy to the unified of ponding of bottom of foundation ditch.
Further, cheuch phase weak soil combined type, which is changed, fills out structure 10 and further includes transverse drain ditch (not shown), transverse drainage
Ditch is arranged on bottom of foundation ditch, for discharging bottom of foundation ditch ponding.The extending direction of transverse drain ditch and the extension of longitudinal drainage ditch
Direction is vertical, and transverse drain ditch extends to the opposite opposite side of foundation pit from the side of foundation pit, so that transverse drain ditch can incite somebody to action
The longitudinal drainage ditch connection of both sides.
In addition, in the present embodiment, transverse drain ditch is additionally provided with catch pit 500 with foundation pit both sides, and catch pit 500 is used
In the water for collecting longitudinal drainage ditch and transverse drain ditch discharge, easy to which the ponding at foundation pit bottom is uniformly detached bottom of foundation ditch.
Cheuch phase weak soil combined type provided in this embodiment, which is changed, fills out structure 10 by the way that laying granite is residual successively from top to bottom
Product soil layer 100, metalling 200 and ragstone layer 300, the metalling 200 and piece of a part are replaced using granite residual soil layer 100
Rock layers 300, reduce making cheuch phase weak soil combined type and change the cost for filling out structure 10, and shorten the construction time, while
Protect the ecological environment of job location.By the setting of longitudinal drainage ditch, ensure that cheuch phase weak soil combined type is changed and fill out structure 10
Neighbouring current are unimpeded so that cheuch phase weak soil combined type, which changes to fill out near structure 10, will not gather too many ponding, ensure cheuch
Phase weak soil combined type changes the stability for filling out structure 10.
Second embodiment
Referring to Fig. 1, present embodiments providing a kind of cheuch mutually soft soil roadbed 11, provided which employs first embodiment
Cheuch phase weak soil combined type, which is changed, fills out structure 10, it can save construction investment, shortens the construction time, effectively ensures weak sub-grade treatment
Effect.Wherein, cheuch mutually soft soil roadbed 11 includes highway subgrade 400 and cheuch phase weak soil combined type changes and fills out structure 10, highway road
Base 400 is arranged on cheuch phase weak soil combined type and changes the top for filling out structure 10.Cheuch phase weak soil combined type, which is changed, fills out structure 10 as public
The ground of road roadbed 400, the stability for the stability guarantee highway subgrade 400 for filling out structure 10 is changed with cheuch phase weak soil combined type,
So that the stability of highway subgrade 400 is guaranteed, extend the service life of highway subgrade 400, and save largely into
This.
Fig. 1, Fig. 3 and Fig. 4 are please referred to, further, highway subgrade 400 is arranged on granite residual soil layer 100,
Also, the cross section of highway subgrade 400 is substantially trapezoidal shape, the bottom surface of highway subgrade 400 is contacted with granite residual soil layer 100
Set, the upper bottom surface of highway subgrade 400 is highway pavement 410, so that vehicle travels.In the present embodiment, highway subgrade 400
Both sides also offer roadbed gutter 420 respectively, and roadbed gutter 420 is consistent with the extending direction of highway subgrade 400, roadbed gutter
420 are used to exclude in the ponding near highway subgrade 400, and shadow is caused to the stability of highway subgrade 400 too much to avoid ponding
Ring.In addition, multiple highway subgrade gutters 430 are further opened with the inclined-plane of 400 both sides of highway subgrade, multiple highway subgrade drainings
Ditch 430 is perpendicular to roadbed gutter 420, and multiple highway subgrade gutters 430 are arranged on highway subgrade 400 at equal intervals
Side.Highway subgrade gutter 430 is used to the ponding on highway pavement 410 being guided to roadbed gutter 420, roadbed gutter 420
The water of convergence is drained to elsewhere.
In addition, in the present embodiment, highway pavement 410 includes the first highway pavement 411 and the second highway pavement 412, the
One highway pavement 411 and the second highway pavement 412 are located at 400 upper bottom surface of highway subgrade respectively, and the first highway pavement 411 with
Second highway pavement 412 intersects at the middle part of 400 upper bottom surface of highway subgrade.First highway pavement 411 and the second highway pavement
412 are slightly slanted respectively, and are formed towards the obtuse angle of 400 bottom surface of highway subgrade.In order to the ponding energy on highway pavement 410
Highway subgrade gutter 430 is flow to along the first highway pavement 411 or the second highway pavement 412, passes through highway subgrade draining
Ditch 430 converges to roadbed gutter 420, then is discharged to elsewhere by roadbed gutter 420.
Cheuch mutually soft soil roadbed 11 provided in this embodiment by be laid with successively from top to bottom granite residual soil layer 100,
The ground of metalling 200 and ragstone layer 300 as highway subgrade 400, ensure that the stability of highway subgrade 400, also, use
Granite residual soil layer 100 replaces the metalling 200 and ragstone layer 300 of a part, reduces and makes cheuch phase weak soil combined type
The cost for filling out structure 10 is changed, and shortens the construction time, while also protects the ecological environment of job location.Pass through highway road
Base gutter 430 and the setting of roadbed gutter 420, it is unimpeded to ensure that cheuch phase weak soil combined type changes the current filled out near structure 10,
So that cheuch phase weak soil combined type, which changes to fill out near structure 10, will not gather too many ponding, ensure that cheuch phase weak soil combined type is changed and fills out
The stability of structure 10.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of cheuch phase weak soil combined type, which is changed, fills out structure, applied to Granite Region cheuch phase Soft Ground, its feature exists
In, including granite residual soil layer, metalling and ragstone layer, the metalling be layed on the ragstone layer, the granite
Soil layer is remained to be layed on the metalling.
2. cheuch phase weak soil combined type according to claim 1, which is changed, fills out structure, it is characterised in that the granite residual soil
Layer is laid with using granite residual soil, and the loose laying depth of the granite residual soil layer is 30cm.
3. cheuch phase weak soil combined type according to claim 1, which is changed, fills out structure, it is characterised in that the metalling is using pressure
The graded broken stone that rubble processed forms is made, and the ballast grain sizes are less than 5cm.
4. cheuch phase weak soil combined type according to claim 1, which is changed, fills out structure, it is characterised in that the metalling paves
Thickness is 30cm.
5. cheuch phase weak soil combined type according to claim 1, which is changed, fills out structure, it is characterised in that the compacting of the metalling
Degree is more than 90%.
6. cheuch phase weak soil combined type according to claim 1, which is changed, fills out structure, it is characterised in that the ragstone layer uses piece
Stone is laid with, and the maximum particle diameter of the slabstone paves the 2/3 of thickness less than the ragstone layer.
7. cheuch phase weak soil combined type according to claim 1, which is changed, fills out structure, it is characterised in that the thickness of the ragstone layer
Scope is 50cm~150cm.
8. a kind of cheuch is mutually soft soil roadbed, it is characterised in that including highway subgrade and such as claim 1-7 any one of them ditches
Paddy phase weak soil combined type, which is changed, fills out structure, and the highway subgrade is arranged on the top of the granite residual soil layer.
9. cheuch according to claim 8 is mutually soft soil roadbed, it is characterised in that the cheuch is mutually soft soil roadbed to further include road
Base gutter, the extending direction of the roadbed gutter is identical with the extending direction of the highway subgrade, and the roadbed gutter is
Two, two roadbed gutters are separately positioned on the both sides of the highway subgrade.
10. cheuch according to claim 9 is mutually soft soil roadbed, it is characterised in that the cross section of the highway subgrade is ladder
Shape, and multiple highway subgrade gutters are additionally provided with the highway subgrade, multiple highway subgrade gutters are set respectively
Put on the inclined-plane of the both sides of the highway subgrade, also, multiple highway subgrade gutters are perpendicular to the roadbed gutter, and it is more
A highway subgrade gutter is arranged on the side of the highway subgrade at equal intervals.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720537585.XU CN207227880U (en) | 2017-05-16 | 2017-05-16 | A kind of cheuch phase weak soil combined type, which is changed, fills out structure and cheuch is mutually soft soil roadbed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720537585.XU CN207227880U (en) | 2017-05-16 | 2017-05-16 | A kind of cheuch phase weak soil combined type, which is changed, fills out structure and cheuch is mutually soft soil roadbed |
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| Publication Number | Publication Date |
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| CN207227880U true CN207227880U (en) | 2018-04-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114703710A (en) * | 2022-03-17 | 2022-07-05 | 中国公路工程咨询集团有限公司 | Granite residual soil roadbed structure and construction method thereof |
-
2017
- 2017-05-16 CN CN201720537585.XU patent/CN207227880U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114703710A (en) * | 2022-03-17 | 2022-07-05 | 中国公路工程咨询集团有限公司 | Granite residual soil roadbed structure and construction method thereof |
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Address after: 153 No. 530000 the Guangxi Zhuang Autonomous Region Nanning Qingxiu District National Road Patentee after: GUANGXI COMMUNICATION DESIGN GROUP Co.,Ltd. Address before: 153 No. 530000 the Guangxi Zhuang Autonomous Region Nanning Qingxiu District National Road Patentee before: GUANGXI COMMUNICATIONS PLANNING SURVEYING AND DESIGNING INSTITUTE Co.,Ltd. |
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