CN206016821U - Frame-type subdrain system tunnel lining structure - Google Patents
Frame-type subdrain system tunnel lining structure Download PDFInfo
- Publication number
- CN206016821U CN206016821U CN201620563287.3U CN201620563287U CN206016821U CN 206016821 U CN206016821 U CN 206016821U CN 201620563287 U CN201620563287 U CN 201620563287U CN 206016821 U CN206016821 U CN 206016821U
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- arch wall
- tunnel
- base plate
- subdrain
- frame
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Abstract
Frame-type subdrain system tunnel lining structure, by transforming to conventional tunnel lining cutting tunnel bottom structure form, change tunnel bottom structure stress form, reduce, liner structure " external draining " is realized simultaneously, so as to be particularly rain flood season tunnel lining structure safety during ensureing operation.Including arch wall preliminary bracing structure, arch wall secondary liner structure and base plate that arch wall scope is arranged from outside to inside, and the waterproof and water drainage system between arch wall preliminary bracing structure and arch wall secondary liner structure.The tunnel bottom framework structure being made up of foundation beam, short column and crossbeam is set under the base plate, used as the horizontal bearing structure in bottom and the vertical bearing structure of base plate of arch wall secondary liner structure.Guide the tunnel longitudinal drainage passage being arranged in the tunnel bottom framework inside configuration space in the lower end of the waterproof and water drainage system.
Description
Technical field
The utility model is related to tunnel lining structure, and more particularly to a kind of underground water is big by seasonal effect or underground water is developed
Karst area tunnel lining structure.
Background technology
Entrance 21st century comes, and railway construction in China high speed development, the above high standard double track railway of speed per hour 200km are built
More and more, especially in Southwest Mountainous Areas, karsts developing area, and circuit show line is more by big, topographic and geologic complicated condition of sweep etc.
The restriction of the factor of kind, Karst Tunnel scale increase sharply.As karst and karst water development have complexity, diversity and random
The features such as rule property, Karst Tunnel of growing up, build risk and are particularly operations risks more and more higher.
In recent years, suitable ten thousand, there occurs during Shanghai elder brother, the expensive Railway Tunnel operation such as wide some ballastless track beds deformations,
The water damage events such as inverted arch protuberance, lining cutting percolating water, cause Railway Design, construction, the great attention for building and runing each side.
As shown in figure 4, traditional two-wire railway tunnel lining is typically adopted with bent liner structure form of the wall with inverted arch,
Using Concrete Filled as railway roadbed basis on inverted arch, in construction, inverted arch is separately poured with inverted arch filling, and frame is considered in partial line road test
Beam machine is transported, inverted arch filling even placement layer by layer.Central drain+bilateral ditch is set in tunnel, and lateral sulcus passes through horizontal aqueduct
Lateral sulcus water is accessed central trench.Splash guard is set in arch wall scope between preliminary bracing and secondary lining, splash guard leans on preliminary bracing
Side is spaced 5～10m along tunnel excavation direction and arranges circle draining blind pipe, and arranges longitudinal drainage blind pipe in abutment wall pin, vertical, ring
Draining blind pipe introduces lateral sulcus directly through abutment wall.
Under Severe rainstorm or continuous rainy weather, lateral sulcus and center are exceeded by the water yield that draining blind pipe is entered in tunnel
Ditch designs drainability, causes railway roadbed ponding；Secondly as groundwater run off abruptly increase, lining cutting behind underground water can not be by vertical, ring
Discharged to draining blind pipe in time, hydraulic pressure is drastically raised, cause inverted arch protuberance even abutment wall cracking；Again, under the effect of high hydraulic pressure,
Waterproof measure destruction at inverted arch construction joint, underground water is entered between inverted arch and blind and lifts filling, so as to destroy railway roadbed
Structure.
Ensure that draining is unobstructed, reduce, be to solve karst
The key point of regional tunnel water damage risk.Therefore, how a kind of supporting knot is unified in by unobstructed for safe and reliable for structure and draining
Under structure, become reduction karst area tunnel water damage risk, it is ensured that operation security in the urgent need to.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of frame-type subdrain system tunnel lining structure,
By transforming to conventional tunnel lining cutting tunnel bottom structure form, change tunnel bottom structure stress form, reduce
Effect of the water to tunnel-liner polycrystalline substance, while liner structure " external draining " is realized, so as to be particularly during ensureing operation
Rain flood season tunnel lining structure safety.
It is as follows that the utility model solves the technical scheme adopted by its technical problem：
Frame-type subdrain system tunnel lining structure of the present utility model, is arranged from outside to inside including arch wall scope
Arch wall preliminary bracing structure, arch wall secondary liner structure and base plate, and it is located at arch wall preliminary bracing structure and the secondary lining of arch wall
The waterproof and water drainage system between structure is built, be it is characterized in that：The tunnel underframe being made up of foundation beam, short column and crossbeam is set under the base plate
Frame structure, used as the horizontal bearing structure in bottom and the vertical bearing structure of base plate of arch wall secondary liner structure；The guarded drainage
Guide the tunnel longitudinal drainage passage being arranged in the tunnel bottom framework inside configuration space in the lower end of system.
The beneficial effects of the utility model are to replace traditional inverted arch form, first, tunnel bottom using frame-type tunnel bottom construction
Frame structure structural system is set under plate, by the use of tunnel bottom framework inside configuration space as tunnel longitudinal drainage passage, it is ensured that tunnel
Bottom draining is unobstructed, and underground water is not directly had an effect with tunnel floor, it is to avoid traditional lining cutting is due to the spilled water hole draining of abutment wall bottom
Smooth or drainability deficiency does not cause inverted arch hydraulic pressure to be uprushed and causes tunnel bottom structure to destroy；Secondly, tunnel bottom is excavated operation and is more convenient,
Overcome traditional lining types to cause inverted arch construction as inverted arch foundation excavation curvature is wayward with designing inconsistent and cause
The problems such as inverted arch cracking protuberance；Again, using frame-type tunnel bottom structure, bending rigidity is greatly increased, and dramatically increases tunnel bottom structure
Bearing capacity；Finally, realize that liner structure " external draining ", arch wall secondary lining behind underground water are not passed through abutment wall and introduce tunnel
Lateral sulcus, and in the space being introduced directly under tunnel floor, it is prevented effectively from the excessive lateral sulcus drainability of rain flood season groundwater run off not
Foot and pour in railway roadbed, it is ensured that the smooth excretion of underground water is avoiding causing tunnel bottom structure cracking protuberance.
Description of the drawings
This specification includes following four width accompanying drawing：
Fig. 1 is the section structure schematic diagram of the utility model frame-type subdrain system tunnel lining structure；
Fig. 2 is the enlarged drawing of A local in Fig. 1；
Fig. 3 is the profile of I-I lines along Fig. 1；
Fig. 4 is traditional song wall band inverted arch liner structure schematic diagram.
Component, toponym and corresponding mark are shown in figure：Arch wall preliminary bracing structure 10, arch wall shotcrete layer
10a, arch wall steelframe 10b, arch wall system anchor bolt 10c；Substrate close layer 11；Waterproof and water drainage system 20, non-woven geotextile 20a, ring
Draining blind pipe 20b, splash guard 20c；Arch wall secondary liner structure 30, base plate 31；Foundation beam 41, crossbeam 42, short column 43.
Specific embodiment
With reference to the accompanying drawings and examples the utility model is further illustrated.
With reference to Fig. 1, frame-type subdrain system tunnel lining structure of the present utility model, including arch wall scope by outer
The arch wall preliminary bracing structure 10, arch wall secondary liner structure 30 of interior setting and base plate 31, and tie positioned at arch wall preliminary bracing
Waterproof and water drainage system 20 between structure 10 and arch wall secondary liner structure 30.The base plate is arranged by foundation beam 41, short column 43 for 31 times
The tunnel bottom framework structure constituted with crossbeam 42, the horizontal bearing structure in bottom and base plate 31 as arch wall secondary liner structure 30
Vertical bearing structure.Guide the tunnel being arranged in the tunnel bottom framework inside configuration space in the lower end of the waterproof and water drainage system 20
Longitudinal drainage passage..Traditional inverted arch form is replaced using frame-type tunnel bottom construction, first, frame structure is set under tunnel floor
System, by the use of tunnel bottom framework inside configuration space as tunnel longitudinal drainage passage, it is ensured that the draining of tunnel bottom is unobstructed, underground water not with
Tunnel floor is directly had an effect, it is to avoid traditional lining cutting is due to abutment wall bottom spilled water hole impeded drainage or drainability is not enough causes to lead
Cause inverted arch hydraulic pressure to uprush and cause tunnel bottom structure to destroy.Secondly, tunnel bottom is excavated operation and is more convenient, overcome traditional lining types by
In inverted arch foundation excavation curvature wayward cause inverted arch construction with design inconsistent and cause inverted arch cracking protuberance the problems such as；Again
Secondary, using frame-type tunnel bottom structure, bending rigidity is greatly increased, and dramatically increases tunnel bottom structure bearing capacity；Finally, lining cutting is realized
Structure " external draining ", arch wall secondary lining behind underground water are not passed through abutment wall and introduce tunnel lateral sulcus, and are introduced directly into tunnel bottom
In space under plate, it is prevented effectively from the excessive lateral sulcus drainability deficiency of rain flood season groundwater run off and pours in railway roadbed, it is ensured that ground
The smooth excretion of lower water is avoiding causing tunnel bottom structure cracking protuberance.
With reference to Fig. 1, the tunnel bottom framework structure is laid along tunnel excavation direction interval, as the bearing structure of base plate 31,
The base plate 31 is opening up inspection shaft mouth along tunnel center line interval.With reference to Fig. 1 and Fig. 3, the tunnel bottom framework structure includes
Foundation beam 41, the crossbeam 42 that lays is spaced along circuit bearing of trend, between corresponding up and down foundation beam 41, crossbeam 42 transversely
Interval setting is attached thereto the short column 43 being integrated.The foundation beam 41 is embedded in ground, basic top surface and substrate close layer 11
Surface flushes.The substrate close layer 11 is used for closing exposed country rock surface between foundation beam 41, prevents current scour and sapping
Foundation.
See figures.1.and.2, the waterproof and water drainage system 20 includes the non-woven geotextile 20a and arch wall model of arch wall scope laying
The splash guard 20c of laying is enclosed, and the ring between non-woven geotextile 20a and splash guard 20c is laid in along tunnel excavation direction interval
To draining blind pipe 20b.The two ends of the circle draining blind pipe 20b through arch wall secondary liner structure 30 abutment wall under base plate 31
Edge guides tunnel longitudinal drainage passage into.
See figures.1.and.2, the arch wall preliminary bracing structure 10 includes the arch wall shotcrete layer for covering arch wall country rock
Along tunnel excavation side in the 10a and arch wall system anchor bolt 10c along arch wall quincuncial arrangement, the arch wall shotcrete layer 10a
Arch wall steelframe 10b is laid to interval, in arch wall shotcrete layer 10a, bar-mat reinforcement is added.
Some of the above the utility model frame-type subdrain system tunnel lining structure that simply explains through diagrams
Principle, be not intended to by the utility model be confined to shown in and described concrete structure and the scope of application in, therefore every all can
The corresponding modification that can be utilized and equivalent, belong to the apllied the scope of the claims of the utility model.
Claims (5)
1. frame-type subdrain system tunnel lining structure, ties including the arch wall preliminary bracing that arch wall scope is arranged from outside to inside
Structure (10), arch wall secondary liner structure (30) and base plate (31), and secondary positioned at arch wall preliminary bracing structure (10) and arch wall
Waterproof and water drainage system (20) between liner structure (30), is characterized in that：Arrange under base plate (31) by foundation beam (41), short column
(43) the horizontal bearing structure in bottom and the tunnel bottom framework structure that constitutes of crossbeam (42), as arch wall secondary liner structure (30) and
The vertical bearing structure of base plate (31)；Guide into and be arranged at the tunnel bottom framework inside configuration in the lower end of waterproof and water drainage system (20)
Tunnel longitudinal drainage passage in space.
2. frame-type subdrain system tunnel lining structure as claimed in claim 1, is characterized in that：The tunnel bottom framework knot
Structure is laid along tunnel excavation direction interval, and base plate (31) are opening up inspection shaft mouth along tunnel center line direction interval.
3. frame-type subdrain system tunnel lining structure as claimed in claim 1, is characterized in that：The tunnel bottom framework knot
Structure includes being spaced foundation beam (41), the crossbeam (42) that lays along circuit bearing of trend, up and down corresponding foundation beam (41), crossbeam
(42) between, laterally spaced setting is attached thereto the short column (43) being integrated；In described foundation beam (41) embedded ground, basis
Top surface is flushed with substrate close layer (11) surface.
4. frame-type subdrain system tunnel lining structure as claimed in claim 2, is characterized in that：The waterproof and water drainage system
(20) include the non-woven geotextile (20a) of arch wall scope laying and the splash guard (20c) of arch wall scope laying, and open along tunnel
Excavation is laid in the circle draining blind pipe 20b between non-woven geotextile (20a) and splash guard (20c) to interval；The circle draining
Tunnel longitudinal drainage is guided through the abutment wall of arch wall secondary liner structure (30) into along base plate (31) lower edge and led in the two ends of blind pipe (20b)
Road.
5. frame-type subdrain system tunnel lining structure as claimed in claim 1, is characterized in that：The arch wall initial stage
Protection structure (10) includes covering the arch wall shotcrete layer (10a) of arch wall country rock and the arch wall system along arch wall quincuncial arrangement
Anchor pole (10c)；Arch wall steelframe (10b), arch wall are laid along tunnel excavation direction interval in arch wall shotcrete layer (10a)
Bar-mat reinforcement is added in shotcrete layer (10a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620563287.3U CN206016821U (en) | 2016-06-12 | 2016-06-12 | Frame-type subdrain system tunnel lining structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620563287.3U CN206016821U (en) | 2016-06-12 | 2016-06-12 | Frame-type subdrain system tunnel lining structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206016821U true CN206016821U (en) | 2017-03-15 |
Family
ID=58241807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620563287.3U Withdrawn - After Issue CN206016821U (en) | 2016-06-12 | 2016-06-12 | Frame-type subdrain system tunnel lining structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206016821U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863671A (en) * | 2016-06-12 | 2016-08-17 | 中铁二院工程集团有限责任公司 | Frame type low-position draining system tunnel lining structure |
| CN108005690A (en) * | 2017-12-27 | 2018-05-08 | 中铁二院工程集团有限责任公司 | Boot last pedestal domes are without the lining cutting of inverted arch type and its drainage system |
| CN108316943A (en) * | 2018-02-11 | 2018-07-24 | 中铁二院工程集团有限责任公司 | A kind of device and its construction method preventing the deformation of non-fragment orbit tunnel bottom |
-
2016
- 2016-06-12 CN CN201620563287.3U patent/CN206016821U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863671A (en) * | 2016-06-12 | 2016-08-17 | 中铁二院工程集团有限责任公司 | Frame type low-position draining system tunnel lining structure |
| CN108005690A (en) * | 2017-12-27 | 2018-05-08 | 中铁二院工程集团有限责任公司 | Boot last pedestal domes are without the lining cutting of inverted arch type and its drainage system |
| CN108005690B (en) * | 2017-12-27 | 2024-01-19 | 中铁二院工程集团有限责任公司 | Arch structure non-inverted arch type lining of boot-shaped base |
| CN108316943A (en) * | 2018-02-11 | 2018-07-24 | 中铁二院工程集团有限责任公司 | A kind of device and its construction method preventing the deformation of non-fragment orbit tunnel bottom |
| CN108316943B (en) * | 2018-02-11 | 2019-07-26 | 中铁二院工程集团有限责任公司 | A kind of construction method for the device preventing the deformation of non-fragment orbit tunnel bottom |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170315 Effective date of abandoning: 20190315 |