CN208072084U - High-speed railway box road structure - Google Patents
High-speed railway box road structure Download PDFInfo
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- CN208072084U CN208072084U CN201721647603.6U CN201721647603U CN208072084U CN 208072084 U CN208072084 U CN 208072084U CN 201721647603 U CN201721647603 U CN 201721647603U CN 208072084 U CN208072084 U CN 208072084U
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Abstract
High-speed railway box road structure builds cost effectively to reduce plains region high-speed railway subgrade, and reduces roadbed land used to the greatest extent.Armored concrete box body section is continuously arranged in ground upper edge line direction, expansion joint is set between the end face of adjacent reinforced concrete box body section, each armored concrete box body section is integrated and constitutes box section by bottom plate, left side armstand wall, right side armstand wall and top plate consolidation, and top plate is the basis of rail system.
Description
Technical field
The utility model is related to geotechnical engineering, more particularly to a kind of high-speed railway box road structure is used for high quality filler
The region of no relief high-speed railway subgrade of shortage builds engineering.
Background technology
It is the basis of rail system, embankment two that railway bed, which usually uses the filling for embankment of certain specification, embankment top surface,
Gutter is set outside side slope, roadbed bottom surface takes up a large area, and to meet the Track regularity of high-speed railway, is filled out to roadbed
Material has very strict requirement.And plains region is generally deficient of high quality filler, farmland land used is precious.Height is built in plains region
Fast railway is invested huge if replacing traditional roadbed with science of bridge building；If building subgrade engineering, high-quality fill out is faced
The problem that material lacks, land used is wide, draining is difficult, and high quality filler filling body because weight it is big, need to add earthen foundation
Gu treatment measures, therefore to build cost also higher for roadbed.How to be built in the region of no relief of this high quality filler shortage, land used preciousness
Economic, safety High Speed Rail Projects become urgent problem, therefore are badly in need of proposing a kind of new road structure, and should have
The features such as economic, easy for construction, safe and environment-friendly.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of high-speed railway box road structures, effectively to reduce
Plains region high-speed railway subgrade builds cost, and reduces roadbed land used to the greatest extent.
Technical solution is as follows used by the utility model solves its technical problem：
The high-speed railway box road structure of the utility model, including ground, it is characterized in that：Ground upper edge circuit side
To continuous setting armored concrete box body section, expansion joint is set between the end face of adjacent reinforced concrete box body section,
Each armored concrete box body section is integrated by bottom plate, left side armstand wall, right side armstand wall and top plate consolidation and constitutes box
Section, top plate are the basis of rail system.
The utility model has the beneficial effects that using armored concrete box body as the basis of rail system, avoid using
The filling roadbed body of high quality filler reduces the intensity for carrying out consolidation process to earthen foundation, reduces roadbed land used to the greatest extent, because
Project cost can be greatly lowered in this；Armored concrete box body reasonable stress, can meet wanting for high-speed railway circuit ride comfort
It asks；Construction is simple has popularizing application prospect, and meets the requirement of environmental protection.
Description of the drawings
This specification includes following five width attached drawing：
Fig. 1 is the cross-section diagram of the utility model high-speed railway box road structure embodiment 1；
Fig. 2 is the side view of the utility model high-speed railway box road structure embodiment 1；
Fig. 3 is the cross-section diagram of the utility model high-speed railway box road structure embodiment 2；
Fig. 4 is the sectional view of the line C-C along Fig. 3；
Fig. 5 is the side view of the utility model high-speed railway box road structure embodiment 3；
Component and corresponding label are shown in figure：Bottom plate 11, left side armstand wall 12, right side armstand wall 13, top plate 14, a left side
Side cantilever segment 141, right side cantilever segment 142, middle part armstand wall 15, column 16, top beam 17, empty window 18, expansion joint 20, ground A,
Ground line B.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples.
Referring to Figures 1 and 2, the high-speed railway box road structure of the utility model, including ground A, the ground A upper edges
Armored concrete box body section is continuously arranged in line direction, is arranged between the end face of adjacent reinforced concrete box body section and stretches
Contracting seam 20, each armored concrete box body section are by bottom plate 11, left side armstand wall 12, right side armstand wall 13 and top plate 14 consolidation
One and composition box section, bottom plate 11 are the basis of rail system, avoid using high quality filler roadbed filling body, reduction pair
Earthen foundation carries out the intensity of consolidation process, reduces roadbed land used to the greatest extent, therefore project cost can be greatly lowered.
Referring to Fig.1, the both lateral sides of the top plate 14 each extend over out left side armstand wall 12, right side armstand wall 13 it is outer
Wall forms left side cantilever segment 141, right side cantilever segment 142.It is provided between the left side armstand wall 12, right side armstand wall 13 perpendicular
To supporting mass, lower end, the upper end of vertical support body are consolidated with bottom plate 11, top plate 14 respectively.Bottom plate 11 can make armored concrete
Box body section and ground A Rock-soil Mass Structures are uniform, avoid inhomogeneous deformation.Left side armstand wall 12, right side armstand wall 13 are steel
The vertical support body of the vertical applied force support construction of reinforced concrete box body section, middle part can improve 14 stress of top plate.Top plate
14 be the basis of rail system, and its left side cantilever segment 141, right side cantilever segment 142 can be used as curb structure, for pedestrian or gently
Type load passes through, while can reduce the width of armored concrete box body section, reduces roadbed occupation of land and engineering to the greatest extent
Cost.
One or lateral separation multiple tracks can be arranged according to the stressing conditions of top plate 14 in the vertical support body, can facilitate
Adaptation multiple line railway construction needs.Referring to Fig.1, the vertical support body can be vertical along armored concrete box body section
To the middle part armstand wall 15 of extension.With reference to Fig. 3 and Fig. 4, the vertical support body can also be by along armored concrete box body segment
The column 16 of the longitudinally spaced setting of section and it is arranged in 16 top of each column and the top beam 17 that consolidates therewith, top beam 17 and top plate 14
Consolidation, lower end and the bottom plate 11 of each column 16 consolidate.
With reference to Fig. 5, to reduce the construction cost of armored concrete box body section, the left side armstand wall 12, right side are vertical
The empty window 18 being connected with armored concrete box body section internal cavities is opened up on the metope of arm wall 13.
The high-speed railway box road structure of the utility model is constructed as follows：
1. flattening ground A；
2. pouring each armored concrete box body section；
3. clogging pitch plank or binder, the construction at expansion joint 20 is completed.
The step 1. in, when ground is there are being flattened ground A by stepped ramp type when the gradient, make each armored concrete box body
The top plate 14 of segment is in same plane elevation.
2. middle pouring reinforcement concrete box body section specifically carries out the step as follows：
2.1,11 armored concrete of bottom plate is poured, and in left side armstand wall 12, right side armstand wall 13 and vertical support body pair
Position is answered to reserve its main reinforcement, main reinforcement length in reserve is not less than 1.5m, and meets splice requirement；
2.2, before 11 concrete initial set of bottom plate, construction left side armstand wall 12,13 armored concrete of right side armstand wall, and
Its main reinforcement is stretched out into top 0.2-0.3m；
2.3, after bottom plate 11 and left side armstand wall 12,13 concrete of right side armstand wall reach design strength, in babinet
Portion's construction vertical support body armored concrete, and its main reinforcement is stretched out into top 0.2-0.3m；
2.4 after vertical support body concrete reaches design strength, 14 armored concrete of top plate of constructing, main reinforcement and a left side
The reserved main reinforcement stretched out of edge-on arm wall 12, right side armstand wall 13 and vertical support body is fixedly connected.
Embodiment：
By taking certain non-fragment orbit high-speed railway embankment engineering as an example.
1, using traditional embankment structure, height of embankment 7m, foundation soil thickness 15m, embankment length 500m, high quality filler
Haul distance 50Km (graded broken stone of surface layer containing roadbed, about 160 yuan/m of average price3), 150,000 yuan/mu of land used expense.Filler section side
171.5m2, ground prevented using CFG processing, processing width 35m, depth 15mm, stake spacing 1.6m, land used width 45m, side slope
800 yuan/m of shield expense, discharge section sectional area 1.3m2.Subgrade engineering expense budget is as follows：
Filler price：171.5m2* 500m*160 members/m3=1,372 ten thousand yuan；
CFG engineering costs of ground：35m*500m*15m/1.6m/1.6m*140 ten thousand yuan of member/m=1435.6；
Land used expense：45m*500m/666.7*15 ten thousand yuan/mu=506.2 ten thousand yuan；
Gutter expense：1.3m2* 500m*400 members/m3=26 ten thousand yuan；
Side slope protection expense：Ten thousand yuan of 800 yuan/m*500m=40；
Subgrade engineering expense：3379.8 ten thousand yuan.
2, using the high-speed railway box road structure of the utility model, the sectional area of armored concrete box body section
23.7m2, CFG, ground processing width 13m, depth 15mm, stake spacing 2.2m, land used width 17m.
Armored concrete price=23.7m2* 500m*1300 members/m3=1540.5 ten thousand yuan
CFG engineering costs of ground：13m*500m*15m/2.2m/2.2m*140 ten thousand yuan of member/m=282.0；
Land used expense：17m*500m/666.7*15 ten thousand yuan/mu=191.2 ten thousand yuan；
Subgrade engineering expense is total：2013.7 ten thousand yuan；
The two compares, and engineering cost 1366.1 ten thousand can be saved using the high-speed railway box road structure of the utility model
Member, investment save than being 40%, can save roadbed and take up an area 21 mu, economy and ecological benefits are very notable.
The above only explains through diagrams some principles of the utility model high-speed railway box road structure, is not
The utility model is confined in shown and described concrete structure and the scope of application, therefore every phase for being possible to be utilized
It should change and equivalent, belong to the apllied the scope of the claims of the utility model.
Claims (6)
1. high-speed railway box road structure, including ground (A), it is characterized in that：Ground (A) upper edge line direction is continuously set
Armored concrete box body section is set, expansion joint (20) are set between the end face of adjacent reinforced concrete box body section, each steel
Reinforced concrete box body section is one by bottom plate (11), left side armstand wall (12), right side armstand wall (13) and top plate (14) consolidation
Body and composition box section, top plate (14) are the basis of rail system.
2. high-speed railway box road structure as described in claim 1, it is characterized in that：The both lateral sides of the top plate (14) are distinguished
Extend left side armstand wall (12), the outer wall of right side armstand wall (13) forms left side cantilever segment (141), right side cantilever segment (142).
3. high-speed railway box road structure as described in claim 1, it is characterized in that：The left side armstand wall (12), right side are vertical
The empty window (18) being connected with armored concrete box body section internal cavities is opened up on the metope of arm wall (13).
4. high-speed railway box road structure as described in claim 1, it is characterized in that：The left side armstand wall (12), right side are vertical
Vertical support body is provided between arm wall (13), lower end, the upper end of vertical support body are solid with bottom plate (11), top plate (14) respectively
Knot.
5. high-speed railway box road structure as claimed in claim 4, it is characterized in that：The vertical support body is mixed along reinforcing bar
The middle part armstand wall (15) that solidifying soil box body section is longitudinally extended.
6. high-speed railway box road structure as claimed in claim 4, it is characterized in that：The vertical support body includes along reinforcing bar
The column (16) of the longitudinally spaced setting of concrete box type body section, and be arranged on the top each column (16) top and consolidated therewith
Beam (17), top beam (17) are consolidated with top plate (14), and lower end and the bottom plate (11) of each column (16) consolidate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721647603.6U CN208072084U (en) | 2017-12-01 | 2017-12-01 | High-speed railway box road structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721647603.6U CN208072084U (en) | 2017-12-01 | 2017-12-01 | High-speed railway box road structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938438A (en) * | 2017-12-01 | 2018-04-20 | 中铁二院工程集团有限责任公司 | High-speed railway box road structure and construction method |
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2017
- 2017-12-01 CN CN201721647603.6U patent/CN208072084U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938438A (en) * | 2017-12-01 | 2018-04-20 | 中铁二院工程集团有限责任公司 | High-speed railway box road structure and construction method |
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