CN208299415U - Cable trough transition structure between a kind of High-speed Railway Bridges tunnel - Google Patents
Cable trough transition structure between a kind of High-speed Railway Bridges tunnel Download PDFInfo
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- CN208299415U CN208299415U CN201820727559.8U CN201820727559U CN208299415U CN 208299415 U CN208299415 U CN 208299415U CN 201820727559 U CN201820727559 U CN 201820727559U CN 208299415 U CN208299415 U CN 208299415U
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- changeover portion
- tunnel
- cable trough
- bridge
- cable
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Abstract
The utility model relates to cable trough transition structures between a kind of High-speed Railway Bridges tunnel, it is arranged along high-speed railway route direction, accept tunnel structure part in front end, bridge structure part is accessed in rear end, it from front to back include cable trough changeover portion and cover board top changeover portion, it therebetween is bridge tunnel line of demarcation, cable trough changeover portion top surface and tunnel structure portion top surface drop-over, the bottom surface drop-over of cover board top changeover portion bottom surface and bridge structure part；Cable trough changeover portion includes plane changeover portion and slot bottom elevation changeover portion from front to back, and slot bottom elevation changeover portion bottom surface gradually thickeies downwards from front to back excessively arrives cover board top changeover portion bottom surface；Cover board top changeover portion is concrete backfill ramp, is transitioned into bridge structure portion top surface downwards from slot bottom elevation changeover portion top surface.The utility model structure construction is clear, structure is simple, therefore not only can solve the problem of cable trough does not dock when bridge tunnel is connected using the utility model, moreover it is possible to the time of shortening structure design, facilitate construction.
Description
Technical field
The utility model belongs to traffic engineering technical field, and in particular to cable trough transition knot between a kind of High-speed Railway Bridges tunnel
Structure.
Background technique
With the development of high-speed railway and the enhancing of environmental protection concept, high-speed railway avoids down town, passes through mountain area, river
The case where it is more and more, therefore the length and engineering accounting of tunnel and bridge are very big in high-speed railway, this makes bridge tunnel direct
Connected situation is also more universal.In high speed railway construction, cable trough is important power transmission and signal transferring structure, usually
In the case of, the outside of corresponding engineering structure is arranged in along high-speed railway route direction for cable trough.
In tunnel structure, cable trough is arranged close to abutment wall, including Power Cable Groove and communicaton and signal cable slot, due to tunnel
The particularity of road structure guarded drainage, the also lateral ditch being arranged jointly with cable trough, and it is arranged in Power Cable Groove and communication
Between signal cable slot.In bridge structure, ponding under the drainpipe on abutment directly by arranging, no longer along the elongated arrangement row of route
Ditch, therefore there is no gutter between the cable trough of bridge structure.The difference that gutter (pipe) is arranged in tunnel and bridge structure,
So that the two cable slot structure has differences, thus when bridge tunnel structure is connected, will necessarily face cable slot structure in plane and
The problem of can not being docked on absolute altitude.
The existing general standard drawing of tunnel structure does not consider what the two cable trough connected with the general standard drawing of bridge structure
Situation will face the risk that cable is exposed, cable is destroyed if dealt with improperly.In addition, on vertical section, cable trough knot
Structure enters bridge from tunnel, it may appear that the problem of cable groove bottom elevation changes.
Summary of the invention
The purpose of the utility model is to provide cable trough transition structures between a kind of High-speed Railway Bridges tunnel, solve in high-speed railway
The problem of structural cable slot transition of bridge tunnel and linking.
The technology employed by the present utility model is
Cable trough transition structure between a kind of High-speed Railway Bridges tunnel, it is characterised in that:
The transition structure arranges that tunnel structure part is accepted in front end along high-speed railway route direction, and bridge is accessed in rear end
Structure division includes cable trough changeover portion and cover board top changeover portion, is therebetween bridge tunnel line of demarcation, cable trough mistake from front to back
Cross section top surface and tunnel structure portion top surface drop-over, the bottom surface drop-over of cover board top changeover portion bottom surface and bridge structure part；
Cable trough changeover portion includes plane changeover portion and slot bottom elevation changeover portion, slot bottom elevation changeover portion bottom surface from front to back
It gradually thickeies downwards from front to back and excessively arrives cover board top changeover portion bottom surface；
Cover board top changeover portion is concrete backfill ramp, is transitioned into bridge structure portion downwards from slot bottom elevation changeover portion top surface
Divide top surface.
The length of plane changeover portion and slot bottom elevation changeover portion is not less than 2m.
The Power Cable Groove and communicaton and signal cable slot of tunnel structure portion outboard are passed through cable trough changeover portion, then access bridge
The Power Cable Groove and communicaton and signal cable slot of girder construction part.
It is tunnel lateral ditch, tunnel structure between tunnel structure portion outboard Power Cable Groove and communicaton and signal cable slot
Central cover ditch, central cover ditch to cable trough mistake are accessed by connection french drain between the tunnel lateral ditch of part two sides
It crosses in section and terminates.
The utility model has the advantage that
The cable slot structure in tunnel is accepted in the utility model front end, passes through the height in structural transition and section in the plane
Journey transition solves the problems, such as that cable slot structure is not docked in bridge tunnel transition, and finally accesses the cable slot structure of bridge.
The utility model overpass bridge tunnel line of demarcation specifically refers to cable trough changeover portion in tunnel segment, has in bridge portion
Body refers to cover board top changeover portion.Tunnel segment solves lateral sulcus drainage problem by connecting french drain first, so that cable trough
Structure solves on vertical section that bridge tunnel partial cables slot slot bottom elevation is different asks from tunnel structure to bridge structure transition
Topic.The cover board top changeover portion of bridge portion can solve cable trough and be become from tunnel segment to bridge portion transition cover plate crest level
The problem of change.
Since the utility model has the advantages of simple structure and construction is clear, it can not only shorten design using the utility model
Time can also facilitate construction.
Detailed description of the invention
Fig. 1 is the structural plan schematic diagram (bilateral symmetry) of the utility model；
Fig. 2 is the structural schematic diagram of the utility model A-A vertical section；
Fig. 3 is the structural schematic diagram (bilateral symmetry) in the cross section the utility model B-B；
Fig. 4 is the structural schematic diagram (bilateral symmetry) in the cross section the utility model C-C；
Fig. 5 is the structural schematic diagram (bilateral symmetry) of tunnel segment in the cross section the utility model D-D；
Fig. 6 is the structural schematic diagram (bilateral symmetry) of the cross section the utility model D-D Bridge part；
In figure, 1- cable trough changeover portion, 2- cover board top changeover portion, 3- bridge tunnel line of demarcation, 4- plane changeover portion, 5- slot bottom height
Journey changeover portion, 6- Power Cable Groove, 7- communicaton and signal cable slot, 8- tunnel lateral ditch, 9- connection french drain, 10- central cover
Ditch, 11- concrete backfill ramp, 12- cover board top surface, 13- internal rail top surface.
Specific embodiment
The utility model is described in detail With reference to embodiment.
The utility model relates to cable trough transition structures between a kind of High-speed Railway Bridges tunnel, along high-speed railway route direction cloth
It sets, it includes cable trough changeover portion 1 and cover board that tunnel structure part is accepted in front end, and bridge structure part is accessed in rear end from front to back
Changeover portion 2 is pushed up, is therebetween bridge tunnel line of demarcation 3,1 top surface of cable trough changeover portion and tunnel structure portion top surface drop-over, cover board
Push up the bottom surface drop-over of 2 bottom surface of changeover portion and bridge structure part.
Cable trough changeover portion 1 includes plane changeover portion 4 and slot bottom elevation changeover portion 5, slot bottom elevation changeover portion 5 from front to back
Bottom surface gradually thickeies downwards from front to back excessively arrives 2 bottom surface of cover board top changeover portion；Cover board top changeover portion 2 is concrete backfill ramp
11, it is transitioned into bridge structure portion top surface downwards from 5 top surface of slot bottom elevation changeover portion.Plane changeover portion 4 and slot bottom elevation transition
The length of section 5 is not less than 2m, and the specific size of other structures and the use of engineering material should be wanted according to specific engineering construction
Ask determining.
The Power Cable Groove 6 and communicaton and signal cable slot 7 of tunnel structure portion outboard are passed through cable trough changeover portion 1, then connect
Enter the Power Cable Groove 6 and communicaton and signal cable slot 7 of bridge structure part.Tunnel structure portion outboard Power Cable Groove 6 and logical
Believe to be tunnel lateral ditch 8 between signal cable slot 7, passes through connection between the tunnel lateral ditch 8 of tunnel structure part two sides
French drain 9 accesses central cover ditch 10, terminates in central cover ditch 10 to cable trough changeover portion 1.
It is tunnel structure before plane changeover portion 4 in the utility model, into before plane changeover portion 4, tunnel structure two
Center gutter 10 is accessed by connection french drain 9 in the lateral row ditch 8 of side.Into plane changeover portion 4, former lateral row is gradually utilized
Structure where ditch 8, so that the cable trough structural transition of tunnel segment is the cable slot structure of bridge portion.Due to tunnel and
The elevation of cable trench bottom is different in bridge structure, therefore after entering slot bottom elevation changeover portion 5, cable slot structure in the plane without
Variation, but the slot bottom on vertical section is gradually the elevation of bridge portion by the elevation transition of tunnel segment.Enter cover board top later
Changeover portion 2, in the changeover portion, gradually transition is bridge cover board crest level to tunnel cover board crest level.Cover board top changeover portion 2 and slot bottom
It is bridge tunnel line of demarcation 3 between elevation changeover portion 5, changeover portion 2 rear end in cover board top is bridge structure.
The construction of the cable trough transition structure as described in the utility model is clear, structure is simple, practical using this
It is novel not only to can solve the problem of cable trough does not dock when bridge tunnel is connected, moreover it is possible to the time of shortening structure design, to facilitate construction.
The content of the utility model is not limited to cited by embodiment, and those of ordinary skill in the art are practical new by reading this
Type specification and to any equivalent transformation that technical solutions of the utility model are taken, be the claim institute of the utility model
Cover.
Claims (4)
1. cable trough transition structure between a kind of High-speed Railway Bridges tunnel, it is characterised in that:
The transition structure arranges that tunnel structure part is accepted in front end along high-speed railway route direction, and bridge structure is accessed in rear end
Part includes cable trough changeover portion (1) and cover board top changeover portion (2), is therebetween bridge tunnel line of demarcation (3), electricity from front to back
Cable slot changeover portion (1) top surface and tunnel structure portion top surface drop-over, the bottom of cover board top changeover portion (2) bottom surface and bridge structure part
Face drop-over；
Cable trough changeover portion (1) includes plane changeover portion (4) and slot bottom elevation changeover portion (5), slot bottom elevation transition from front to back
Section (5) bottom surface gradually thickeies downwards from front to back excessively arrives cover board top changeover portion (2) bottom surface；
Cover board top changeover portion (2) is concrete backfill ramp (11), is transitioned into bridge downwards from slot bottom elevation changeover portion (5) top surface
Structure division top surface.
2. cable trough transition structure between a kind of High-speed Railway Bridges tunnel according to claim 1, it is characterised in that:
The length of plane changeover portion (4) and slot bottom elevation changeover portion (5) is not less than 2m.
3. cable trough transition structure between a kind of High-speed Railway Bridges tunnel according to claim 1, it is characterised in that:
The Power Cable Groove (6) and communicaton and signal cable slot (7) of tunnel structure portion outboard are passed through cable trough changeover portion (1), then
Access the Power Cable Groove (6) and communicaton and signal cable slot (7) of bridge structure part.
4. cable trough transition structure between a kind of High-speed Railway Bridges tunnel according to claim 1, it is characterised in that:
It is tunnel lateral ditch (8), tunnel between tunnel structure portion outboard Power Cable Groove (6) and communicaton and signal cable slot (7)
Pass through connection french drain (9) access central cover ditch (10), central lid between the tunnel lateral ditch (8) of road structure division two sides
It is terminated in plate ditch (10) to cable trough changeover portion (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820727559.8U CN208299415U (en) | 2018-05-16 | 2018-05-16 | Cable trough transition structure between a kind of High-speed Railway Bridges tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820727559.8U CN208299415U (en) | 2018-05-16 | 2018-05-16 | Cable trough transition structure between a kind of High-speed Railway Bridges tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208299415U true CN208299415U (en) | 2018-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820727559.8U Active CN208299415U (en) | 2018-05-16 | 2018-05-16 | Cable trough transition structure between a kind of High-speed Railway Bridges tunnel |
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| CN (1) | CN208299415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551149A (en) * | 2018-05-16 | 2018-09-18 | 中铁第勘察设计院集团有限公司 | Cable trough transition structure between High-speed Railway Bridges tunnel |
-
2018
- 2018-05-16 CN CN201820727559.8U patent/CN208299415U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551149A (en) * | 2018-05-16 | 2018-09-18 | 中铁第勘察设计院集团有限公司 | Cable trough transition structure between High-speed Railway Bridges tunnel |
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