CN208869876U - Box-structure and a kind of railway high-filled embankment for railway high-filled embankment - Google Patents
Box-structure and a kind of railway high-filled embankment for railway high-filled embankment Download PDFInfo
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- CN208869876U CN208869876U CN201821353366.7U CN201821353366U CN208869876U CN 208869876 U CN208869876 U CN 208869876U CN 201821353366 U CN201821353366 U CN 201821353366U CN 208869876 U CN208869876 U CN 208869876U
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Abstract
The utility model relates to railroad embankment structures, and in particular to for the box-structure and a kind of railway high-filled embankment of railway high-filled embankment, for the box-structure of railway high-filled embankment, the structure is for placing bed course；Box-structure for railway high-filled embankment includes: top plate, web, bottom plate, and top plate, web, bottom plate surround hollow square structure；Partition in the level for connecting two coxostermum is provided between the web of box-structure main body two sides, the inner cavity of structure is divided into two cavitys up and down by partition in the level；Tank ends are equipped with the closed headwall of hollow cavity.A kind of railway high-filled embankment, including the above-mentioned box-structure for railway high-filled embankment；The successively correspondence of multiple structures rearranges embankment structure body；It is successively laid with bottom layer of subgrade and surface layer of subgrade bed above embankment structure body, using the box-structure with partition in level, there is stable structural integrity and good durability.
Description
Technical field
The utility model relates to railroad embankment structures, and in particular to box-structure and one kind for railway high-filled embankment
Railway high-filled embankment.
Background technique
With flourishing for railway construction in China cause, the requirement in process of construction to economy and adaptability is more next
It is higher.Especially in the area that topography and geomorphology is limited, works attribute is limited, filler lacks.Such as: end of the bridge high-fill roadbed is put
The limited condition in slope, such as using extend bridge section or using gravity type (load retaining wall) retaining wall closing slope scheme necessarily will increase compared with
Big investment, while gravity type (load retaining wall) retaining wall is higher to ground requirement for bearing capacity.
Traditional reinforced earth bulkhead by shingle nail, lacing wire, socket part, filler, basis and cap stone etc. and form, design is thought
Road is that lacing wire is vertically acted on to the anchoring frictional force of generation to be directly delivered on panel by load, is used to equilibrium load and laterally makees
Firmly, so that filling body be made to form the entirety fastened.So, power system acts directly on panel, to panel entirety
Property, stability requirement are very high, once panel breakage, total object just fail, risk is larger, and the country has already appeared highway and adds
The case where muscle soil barricade work point destroys.Also, such reinforced earth bulkhead single level generally will not be too high.In view of rolling stock
The feature that the speed of service is fast, equivalent load is big, vibration acceleration coverage is wide, it is necessary to study novel embankment structure to suitable
It should and push the development of railway cause.
Utility model content
The utility model aim is to provide for a kind of box-structure of railway high-filled embankment for saving filler and land used
And a kind of railway high-filled embankment.
As the one aspect of the utility model, the utility model provides the box knot for railway high-filled embankment
Structure, the structure is for being placed on the bed course for being layed in ground top surface；
The above-mentioned box-structure for railway high-filled embankment includes:
Top plate is located at box-structure main body top；
Web is located at box-structure main body two sides；
Bottom plate is located at box-structure bottom part body；
Partition in level is located in the middle part of box-structure main body；
Headwall is located at box-structure both ends of the surface；
Above-mentioned top plate, web, bottom plate surround hollow square structure；
Partition in the level for connecting two coxostermum is provided between the above-mentioned web of box-structure main body two sides, it should
The inner cavity of structure is divided into two cavitys up and down by partition in level.
It is further that the width of above-mentioned top plate and the width of bottom plate are all larger than the spacing between web, such bottom plate, top
Plate chooses length outside all having, and such bottom plate helps to reduce structural base compression, is more suitable for high roadbed on soft soil foundation
Engineering uses.
It is further that maintenance window is provided on above-mentioned web.
It is further that the front and back end of above structure is provided with the headwall for blocking the inner cavity front and back end of the structure.
It is further that the length of above structure is 10~30m.
It is further that above structure is the reinforced concrete structure of one-piece casting.The armored concrete knot of one-piece casting
Structure, structure entire compression rigidity is big, itself compressive deformation is smaller, is conducive to the sedimentation and deformation for reducing embankment, especially in Gao Lu
Advantage is more obvious in the case of dike.
It is further that the bed course is sand bedding course.
As the other side of the utility model, the utility model additionally provides a kind of railway high-filled embankment, including
The above-mentioned box-structure for railway high-filled embankment；The successively correspondence of multiple above structures rearranges embankment structure
Body；
Bottom layer of subgrade and surface layer of subgrade bed are successively laid with above above-mentioned embankment structure body.
It is further that there are construction joints between adjacent above structure.
Common reinforced earth bulkhead is unfavorable for the stabilization of filler itself under immersion section SEA LEVEL VARIATION and long period of soaking effect
Property, currently used reinforced earth bulkhead by between filler and rib tape rubbing action keep roadbed reclamation, the variation of water level and
Long period of soaking has significant adverse influence to the frictional property between filler and rib tape；The utility model is used for railway high-filled embankment
Box-structure using with level in partition armored concrete box structure, reinforced concrete floor, web, level in
Partition and top plate entirety integration pour, and have stable structural integrity, the easily-controllable property of construction quality and good durability.
The box-structure overall stiffness for railway high-filled embankment of the utility model is big, has good bending resistance and resists
Characteristic is turned round, top plate and bottom plate are that structure provides the main portions of bending resistance, and web is primarily subjected to the shear stress for shear bending of structure
And principal tensile stress caused by torsional shearing stress, and this structure is all with good stability in construction and use process,
And there is partition in level, fill the soil body on top plate top, so that it may form the whole box-structure of railroad embankment.
The box-structure for railway high-filled embankment of the utility model is self-possessed than common reinforced earth bulkhead embankment structure
It is small, it is easier to be adapted to the requirement of foundation bearing capacity.In the biggish situation of embankment raising, common reinforced earth bulkhead bad adaptability,
And from great；And this structure is poured using armored concrete, in the frame structure of inner hollow, only on top, there are limited heights
Filler, therefore be self-possessed it is smaller.
Compared to common reinforced earth retaining wall structure, this is used for the box-structure of railway high-filled embankment due to partition in level
Presence, structural integrity is strong, the whole bending stiffness of especially armored concrete box structure is big, is conducive to reduce ground
Differential settlement, and due to the presence of partition in level, part upper load can be undertaken, it is broken to reduce by two coxostermums generation buckling
Bad danger is conducive to web thickness reduction, to mitigate structure overall weight.
This railway high-filled embankment is not required to slope, saves land used.Railway high-filled embankment is used for using the utility model
Box-structure can reduce cost investment is upper, and be able to satisfy applicability and ensure subgrade stability, it is few with filler demand,
The features such as ground is adaptable, good in economic efficiency, handsome in appearance.Compared to common reinforced earth bulkhead, have under the conditions of immersion
Better durability, and construction technology is more simple, construction quality is easier to control.
The utility model is described further with reference to the accompanying drawings and detailed description.The utility model is additional
Aspect and advantage will be set forth in part in the description, and partially will become apparent from the description below, or practical by this
Novel practice is recognized.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to assist understanding to the utility model, provided in attached drawing
Content and its related explanation can be used for explaining the utility model in the present invention, but is not constituted to the utility model not
Work as restriction.
In the accompanying drawings:
Fig. 1 is for illustrating box-structure for railway high-filled embankment and a kind of railway high roadbed road in embodiment
The schematic diagram of dike；
Fig. 2 is the schematic side view of the railway high-filled embankment of the utility model；
Related label in above-mentioned attached drawing are as follows: 1- surface layer of subgrade bed, 2- bottom layer of subgrade, 3- sand bedding course, 4- top plate, 5- web,
Partition, 8- conserve window, 9- ladder, 10- headwall, 11- railway ballast in 6- bottom plate, 7- level.
Specific embodiment
Clear, complete explanation is carried out to the utility model with reference to the accompanying drawing.Those of ordinary skill in the art are being based on
The utility model will be realized in the case where these explanations.Before being illustrated in conjunction with attached drawing to the utility model, spy is needed
It is not pointed out that:
The technical solution provided in each section including following the description and technical characteristic in the utility model,
In the case where not conflicting, these technical solutions and technical characteristic be can be combined with each other.
In addition, the embodiments of the present invention being related in following the description are generally only the reality of one branch of the utility model
Example is applied, instead of all the embodiments.Therefore, based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, the model of the utility model protection all should belong to
It encloses.
The specification and claims of the utility model and term " includes " in related part, " having " and it
Any deformation, it is intended that cover and non-exclusive include.
Such as Fig. 1 and 2, a kind of railway high-filled embankment, including the box-structure for railway high-filled embankment；It is multiple above-mentioned
The successively correspondence of structure rearranges embankment structure body；The bottom surface of the box-structure of the railway high-filled embankment is set to ground
Upper thread following certain depth.
Successively bottom layer of subgrade 2 is laid with above above-mentioned embankment box structure and surface layer of subgrade bed 1, the railway ballast 11 of rail are layed in
On surface layer of subgrade bed 1.
For the box-structure of railway high-filled embankment, which is placed on the bed course 3 for being layed in ground top surface；
The length of the above-mentioned box-structure for railway high-filled embankment is 10~30m, preferably can be set to 20m,
Above-mentioned every section of 20m of box-structure for railway high-filled embankment i.e. in railway high-filled embankment, between adjacent above structure
There are construction joint or subsiding crack (not shown).
The above-mentioned box-structure for railway high-filled embankment includes:
Top plate 4 is located at box-structure main body top；
Web 5 is located at box-structure main body two sides；
Bottom plate 6 is located at box-structure bottom part body；
Headwall 10 is located at box-structure both ends of the surface；
Above-mentioned top plate 4, web 5, bottom plate 6 surround hollow square structure；
Partition in the level for connecting two coxostermum 5 is provided between the above-mentioned web 5 of box-structure main body two sides
7, the inner cavity of structure is divided into two cavitys up and down by partition 7 in the level.Water burst line can be designed flat with partition 7 in level
Together.
Present embodiment can advanced optimize, and the width of above-mentioned top plate 4 and the width of bottom plate 6 are all larger than between web 5
Spacing and the sum of 5 thickness of web, such bottom plate 6, top plate 4 all have it is outer choose length, such bottom plate 6 helps to reduce structure bottom
Portion's compression is more suitable for high roadbed engineering on soft soil foundation and uses.Here top plate width is at least otherwise less than single line iron
Road roadbed top surface width.
Maintenance window 8 is provided on above-mentioned web 5, maintenance window 8 here can configure corresponding ladder in setting
9, facilitate personnel or more.
The front and back end of above structure be provided with block the structure inner cavity front and back end headwall 10, prevent water, mud etc. into
Enter box inside configuration.
Above structure is the reinforced concrete structure of one-piece casting.The reinforced concrete structure of one-piece casting, structure are whole
Compressional stiffness is big, itself compressive deformation is smaller, is conducive to the sedimentation and deformation for reducing embankment, the especially advantage in high embankment
It is more obvious.
The step of building this railway high-filled embankment are as follows:
One, basement process is carried out, design requirement is reached；
Two, it is laid with bed course on ground after treatment, generallys use sand bedding course, laying depth is generally 50~60cm；
Three, site operation box-structure, shuttering take steel reinforcement cage, casting concrete, by partition, abdomen in bottom plate, level
Plate, top plate one-piece casting are integral；
Four, after concrete reaches curing age, form removal；
Five, cast in situs is constructed the plain concrete headwall at this box-structure both ends；
Six, three to five steps are repeated, pouring for next section of box-structure is continued；
Seven, after multistage box-structure within the scope of line construction integrally reaches curing age, upper part sequentially fills base
Bed bottom and surface layer of subgrade bed filler.
Box-structure main body uses Reinforced Concrete Materials, there is preferable endurance quality, non-filling inside box-structure, case
Type structure upper bankets less, and dead load is smaller, and Yi Shiying ground requirement for bearing capacity is more suitable for high roadbed on soft soil foundation
In the engineering or area of filler shortage uses；Structure overall stiffness is big, and adjustably the different sedimentation capacity of basis is strong；4 top of top plate
The railway embankment soil body.Meanwhile structure integrally uses Reinforced Concrete Materials, may be adapted to water level area higher, has good leaching
Pool durability.
It is that embankment is filled out for the box-structure of railway high-filled embankment, top that this railway high-filled embankment lower part, which is above-mentioned,
Partition 7 in level is added in soil in box-structure, and overall stiffness is bigger and reduces 5 stress of web, can both meet railway height and fill out
The security and stability requirement of square side slope of embankment, and can solve embankment structure endurance issues.Meanwhile dead load is small, globality
Rigidity is big, reasonable stress, can reduce ground relative settlement, adapts to ground requirement for bearing capacity.Suitable for having stringent limit with the boundary of a piece of land
System or filler lack under the specific conditions such as the embankment engineering, including deep soft soil foundation, immerseable embankment in area.
Compared to common railway embankment, this railway high-filled embankment is not required to slope, saves land used, saves filler.Meanwhile phase
Than in common reinforced earth bulkhead, there is better durability under the conditions of immersion, and construction technology is more simple, construction quality more
It is easy to control.Common reinforced earth bulkhead is unfavorable for the stabilization of filler itself under immersion section SEA LEVEL VARIATION and long period of soaking effect
Property, currently used reinforced earth bulkhead by between filler and rib tape rubbing action keep roadbed reclamation, the variation of water level and
Long period of soaking has significant adverse influence to the frictional property between filler and rib tape；And iris type case in railway high-filled embankment level
Type main structure body is using the armored concrete box structure with partition 7 in level, reinforced concrete floor 6, web 5, water
Partition 7 and the whole integration of top plate 4 pour in flat, have stable structural integrity, the easily-controllable property of construction quality and good resistance to
Long property.
The related content of the utility model is illustrated above.Those of ordinary skill in the art are being based on these explanations
In the case where will realize the utility model.Above content based on the utility model, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, the model of the utility model protection all should belong to
It encloses.
Claims (9)
1. being used for the box-structure of railway high-filled embankment, which is characterized in that the structure is layed in ground top surface for being placed on
Bed course on；
The box-structure for railway high-filled embankment includes:
Top plate (4) is located at box-structure main body top；
Web (5) is located at box-structure main body two sides；
Bottom plate (6) is located at box-structure bottom part body；
The top plate (4), web (5), bottom plate (6) surround hollow square structure；
Partition in the level for connecting two coxostermum (5) is provided between the web (5) of box-structure main body two sides
(7), in the level partition (7) by the inner cavity of structure be divided into up and down two cavitys.
2. being used for the box-structure of railway high-filled embankment as described in claim 1, which is characterized in that the top plate (4)
The width of width and bottom plate (6) is all larger than the sum of spacing and web (5) thickness between web (5).
3. being used for the box-structure of railway high-filled embankment as described in claim 1, which is characterized in that on the web (5)
It is provided with maintenance window (8).
4. being used for the box-structure of railway high-filled embankment as described in claim 1, which is characterized in that the front and back of the structure
End is provided with the headwall (10) for blocking the inner cavity front and back end of the structure.
5. being used for the box-structure of railway high-filled embankment as described in claim 1, which is characterized in that the length of the structure
For 10~30m.
6. being used for the box-structure of railway high-filled embankment as described in claim 1, which is characterized in that the structure is whole
The reinforced concrete structure poured.
7. being used for the box-structure of railway high-filled embankment as described in claim 1, which is characterized in that the bed course is sand
Bed course (3).
8. a kind of railway high-filled embankment, which is characterized in that including being used for railway as described in claim 1~7 any one
The box-structure of high-filled embankment；The successively correspondence of multiple structures rearranges embankment structure body；
Bottom layer of subgrade (2) and surface layer of subgrade bed (1) are successively laid with above the embankment structure body.
9. railway high-filled embankment as claimed in claim 8, which is characterized in that there are construction joints between the adjacent structure.
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|---|---|---|---|
| CN201821353366.7U CN208869876U (en) | 2018-08-21 | 2018-08-21 | Box-structure and a kind of railway high-filled embankment for railway high-filled embankment |
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| CN201821353366.7U CN208869876U (en) | 2018-08-21 | 2018-08-21 | Box-structure and a kind of railway high-filled embankment for railway high-filled embankment |
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| CN208869876U true CN208869876U (en) | 2019-05-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824098A (en) * | 2018-08-21 | 2018-11-16 | 西南交通大学 | Box-structure and a kind of railway high-filled embankment for railway high-filled embankment |
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- 2018-08-21 CN CN201821353366.7U patent/CN208869876U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824098A (en) * | 2018-08-21 | 2018-11-16 | 西南交通大学 | Box-structure and a kind of railway high-filled embankment for railway high-filled embankment |
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