CN109235152A - Railway high-filled embankment box-structure - Google Patents
Railway high-filled embankment box-structure Download PDFInfo
- Publication number
- CN109235152A CN109235152A CN201811082728.8A CN201811082728A CN109235152A CN 109235152 A CN109235152 A CN 109235152A CN 201811082728 A CN201811082728 A CN 201811082728A CN 109235152 A CN109235152 A CN 109235152A
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- China
- Prior art keywords
- box
- embankment
- armored concrete
- top plate
- railway high
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
- E01B2/006—Deep foundation of tracks
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
Railway high-filled embankment box-structure effectively to meet the security and stability requirement of railway high-filled embankment side slope, while solving embankment structure endurance issues to effectively improve the overall stiffness of box-structure, reduces ground relative settlement, adapts to ground requirement for bearing capacity.Including the armored concrete box segment being continuously arranged along embankment extending direction, each armored concrete box segment is formed by top plate and bottom plate, two coxostermum one-piece castings, and bottom plate sand is located on bed course；The transverse ends of the top plate and bottom plate, which each extend over out, forms overhanging structure with coxostermum, from bottom to top successively constructs bottom layer of subgrade, surface layer of subgrade bed on top plate.
Description
Technical field
It is the present invention relates to railroad embankment structure, in particular to a kind of for the height that land used limitation is stringent, building stones lack area
Embankment embankment new structure.
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 place that topography and geomorphology is limited, works attribute is limited, such as the item that end of the bridge high-fill roadbed slope is limited
Part.Above situation is as larger in necessarily will increase using extension bridge section or using the scheme of gravity type (load retaining wall) retaining wall closing slope
Investment, while gravity type (load retaining wall) retaining wall is higher to ground requirement for bearing capacity.Therefore it in order to reduce investment, and is able to satisfy
Applicability simultaneously ensures subgrade stability, and the mentality of designing of high-filled embankment structure is applied to embankment Slope Design more and more
In work, having the characteristics that can prefabricated property, adaptable, good in economic efficiency, handsome in appearance.
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.
In engineering practice, the armored concrete box structure overall stiffness for building construction basis is big, has good
Bending resistance and antitorque characteristic, top plate and bottom plate are that structure provides the main portions of bending resistance, and web is primarily subjected to structure
Principal tensile stress caused by shear stress for shear bending and torsional shearing stress, and box-structure in construction and use process all have it is good
Good stability.The novel of length is chosen outside for this purpose, traditional box-structure can be further improved and be all had for bottom plate, top plate
The soil body is filled on structure, top plate top, forms the whole box-structure of railroad embankment.However, at present both at home and abroad about such embankment
The research of structure is not reported with application.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of railway high-filled embankment box-structures, to effectively improve case
The overall stiffness of type structure effectively to meet the security and stability requirement of railway high-filled embankment side slope, while solving embankment knot
Structure endurance issues reduce ground relative settlement, adapt to ground requirement for bearing capacity.
The technical solution adopted by the present invention to solve the technical problems is as follows:
A kind of railway high-filled embankment box-structure of the invention, it is characterized in that: including continuously being set along embankment extending direction
The armored concrete box segment set, each armored concrete box segment are formed by top plate and bottom plate, two coxostermum one-piece castings,
Bottom plate sand is located on bed course；The transverse ends of the top plate and bottom plate, which each extend over out, forms overhanging structure, top plate with coxostermum
On from bottom to top successively construct bottom layer of subgrade, surface layer of subgrade bed.
The beneficial effects are mainly reflected as follows following aspects:
One, compared to common railway embankment, railway high-filled embankment box-structure is not required to slope, saves land used.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 railway high-filled embankment box-structure main body is adopted
It is armored concrete box structure, reinforced concrete floor, web and top plate entirety integration pour, and have construction quality
Easily-controllable property and good durability.
Two, railway high-filled embankment box-structure is self-possessed small than common reinforced earth bulkhead embankment structure, is easier to be adapted to ground
The requirement of base bearing capacity.In the biggish situation of embankment raising, common reinforced earth bulkhead bad adaptability, and from great；And box
Structure is integrally poured using armored concrete, and in the frame structure of inner hollow, only on top, there are the fillers of limited height, therefore
It is self-possessed smaller；Meanwhile bottom plate helps to reduce structural base compression, be more suitable on soft soil foundation with length is chosen outside
High roadbed engineering uses.
Three, compared to common reinforced earth retaining wall structure, railway high-filled embankment box-structure, structural integrity is strong, especially
Be armored concrete box structure whole bending stiffness it is big, be conducive to reduce ground differential settlement.
Four, railway high-filled embankment box-structure is the reinforced concrete structure of one-piece casting, structure entire compression rigidity
Greatly, itself compressive deformation is smaller, is conducive to the sedimentation and deformation for reducing embankment, especially advantage is brighter in high embankment
It is aobvious.
Detailed description of the invention
This specification includes following two width attached drawing:
Fig. 1 is the cross-sectional view of railway high-filled embankment box-structure of the present invention；
Fig. 2 is the side view of railway high-filled embankment box-structure of the present invention；
Component and corresponding label: bottom layer of subgrade 11, surface layer of subgrade bed 12, subsiding crack 20, top plate 21, bottom plate are shown in figure
22, web 23, maintenance window 24, ladder 25, sand bedding course 30, ground line D1, wall top design lines D3, road shoulder design lines D4, water burst
Line D5.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Referring to Fig.1, railway high-filled embankment box-structure of the invention includes the steel being continuously arranged along embankment extending direction
Reinforced concrete box segment, each armored concrete box segment are formed by top plate 21, bottom plate 22, two coxostermums, 23 one-piece casting,
22 sand of bottom plate is located on bed course 30；The top plate 21, bottom plate 22 transverse ends each extend over out formed with coxostermum 23 it is outer
Choose structure, the width of bottom plate 22 and top plate 21 is more than the spacing of two coxostermums 23.Base is from bottom to top successively constructed on top plate 21
Bed bottom 11, surface layer of subgrade bed 12.
Referring to Fig.1, compared to common railway embankment, railway high-filled embankment box-structure is not required to slope, saves land used.Together
When, compared to common reinforced earth bulkhead, there is better durability under the conditions of immersion, and construction technology is more simple, construction
Quality is easier to control.Main body of the armored concrete box segment as high-filled embankment, top plate 21, bottom plate 22 and web 23 are whole
Integration pours, and has the easily-controllable property of construction quality and good durability.Railway high-filled embankment box-structure is than common reinforcement
Native barricade embankment structure self weight is small, is easier to be adapted to the requirement of foundation bearing capacity, armored concrete box segment is in inner hollow
Frame structure, only on top there are the filler of limited height, therefore it is smaller to be self-possessed, while bottom plate 22 has and chooses length outside, helps
In reducing structural base compression, it is more suitable for high roadbed engineering on soft soil foundation and uses.Armored concrete box structure
Whole bending stiffness is big, and structure entire compression rigidity is big, itself compressive deformation is smaller, is conducive to reduce the uneven heavy of ground
Drop, especially in high embankment, advantage is more obvious.
Referring to Fig.1, two coxostermum 23 is the vertical plate of uniform thickness.Referring to Fig. 2, armored concrete box segment is vertical
It is closed to both ends setting headwall, prevents water, mud etc. from entering box house.The end face of adjacent two armored concrete box segment it
Between be arranged subsiding crack 20.Armored concrete box segment is in opening up the maintenance positioned at water burst line D5 or more on two coxostermums 23
Window 25 conserves and ladder 26 is arranged below window 25.
Railway high-filled embankment box-structure of the present invention is a kind of novel embankment structure.Main structure body uses armored concrete
Material has preferable endurance quality, and box house non-filling, dead load is smaller, easily adapts to ground requirement for bearing capacity, more suitable
Conjunction uses in high roadbed engineering on soft soil foundation；Structure overall stiffness is big, and adjustably the different sedimentation capacity of basis is strong；Top plate top
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.
Some principles of the railway high-filled embankment box-structure of the present invention described above that only explains through diagrams, are not intended to
The present invention is confined in shown and described specific structure and the scope of application, therefore all corresponding modifications that may be utilized
And equivalent, belong to the applied the scope of the patents of the present invention.
Claims (4)
1. railway high-filled embankment box-structure, it is characterized in that: including the armored concrete being continuously arranged along embankment extending direction
Box segment, each armored concrete box segment are formed by top plate (21), bottom plate (22), two coxostermums (23) one-piece casting, bottom
Plate (22) sand is located on bed course (30)；The top plate (21), bottom plate (22) transverse ends each extend over out same coxostermum
(23) overhanging structure is formed, from bottom to top successively constructs bottom layer of subgrade (11), surface layer of subgrade bed (12) on top plate (21).
2. railway high-filled embankment box-structure as described in claim 1, it is characterized in that: two coxostermum (23) is uniform thickness
Vertical plate.
3. railway high-filled embankment box-structure as described in claim 1, it is characterized in that: armored concrete box segment
Longitudinal both ends setting headwall is closed, and subsiding crack (20) are arranged between the end face of adjacent two armored concrete box segment.
4. railway high-filled embankment box-structure as described in claim 1, it is characterized in that: armored concrete box segment
In opening up the maintenance window (24) more than water burst line (D5) on two coxostermums (23), ladder is set below maintenance window (24)
(26)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811082728.8A CN109235152A (en) | 2018-09-17 | 2018-09-17 | Railway high-filled embankment box-structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811082728.8A CN109235152A (en) | 2018-09-17 | 2018-09-17 | Railway high-filled embankment box-structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109235152A true CN109235152A (en) | 2019-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811082728.8A Pending CN109235152A (en) | 2018-09-17 | 2018-09-17 | Railway high-filled embankment box-structure |
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| CN (1) | CN109235152A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0504753A2 (en) * | 1991-03-22 | 1992-09-23 | I.P.A. S.P.A. - Industria Prefabbricati Affini | Railroad viaduct structure |
| JPH0596102U (en) * | 1991-05-10 | 1993-12-27 | 安治 朴沢 | Road shoulder embankment |
| CN1101389A (en) * | 1994-03-15 | 1995-04-12 | 交通部公路规划设计院 | Partially prestressed plate for wide box |
| CN204000469U (en) * | 2014-02-28 | 2014-12-10 | 中铁第四勘察设计院集团有限公司 | A kind of pile formula box road structure |
| CN107724189A (en) * | 2017-11-16 | 2018-02-23 | 中铁第四勘察设计院集团有限公司 | A kind of box road structure of railway engineering thin-walled |
| CN108118564A (en) * | 2017-12-01 | 2018-06-05 | 中铁二院工程集团有限责任公司 | A kind of pressure type box High Speed Railway Subgrade and construction method |
| CN209066196U (en) * | 2018-09-17 | 2019-07-05 | 中铁二院工程集团有限责任公司 | Railway high-filled embankment box-structure |
-
2018
- 2018-09-17 CN CN201811082728.8A patent/CN109235152A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0504753A2 (en) * | 1991-03-22 | 1992-09-23 | I.P.A. S.P.A. - Industria Prefabbricati Affini | Railroad viaduct structure |
| JPH0596102U (en) * | 1991-05-10 | 1993-12-27 | 安治 朴沢 | Road shoulder embankment |
| CN1101389A (en) * | 1994-03-15 | 1995-04-12 | 交通部公路规划设计院 | Partially prestressed plate for wide box |
| CN204000469U (en) * | 2014-02-28 | 2014-12-10 | 中铁第四勘察设计院集团有限公司 | A kind of pile formula box road structure |
| CN107724189A (en) * | 2017-11-16 | 2018-02-23 | 中铁第四勘察设计院集团有限公司 | A kind of box road structure of railway engineering thin-walled |
| CN108118564A (en) * | 2017-12-01 | 2018-06-05 | 中铁二院工程集团有限责任公司 | A kind of pressure type box High Speed Railway Subgrade and construction method |
| CN209066196U (en) * | 2018-09-17 | 2019-07-05 | 中铁二院工程集团有限责任公司 | Railway high-filled embankment box-structure |
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