CN209338921U - A kind of high-speed railway subgrade differential settlement reinforcing lifting leveling structure - Google Patents
A kind of high-speed railway subgrade differential settlement reinforcing lifting leveling structure Download PDFInfo
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- CN209338921U CN209338921U CN201821707624.7U CN201821707624U CN209338921U CN 209338921 U CN209338921 U CN 209338921U CN 201821707624 U CN201821707624 U CN 201821707624U CN 209338921 U CN209338921 U CN 209338921U
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- slip casting
- curtain wall
- speed railway
- stabilization zone
- leveling structure
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Abstract
The utility model relates to a kind of high-speed railway subgrade differential settlements to reinforce lifting leveling structure comprising the stabilization zone formed inside embankment by static pressure grouting is arranged in below railroad track, curtain wall and the active force promotion area for being conducive to slip casing by pressure between stabilization zone and curtain wall is arranged in that embankment two sides are formed by static pressure grouting close to slope foot position is arranged in.The utility model can make grouting pressure preferably reinforcing block transitive to the upper side by the way that curtain wall is arranged, and accelerate lifting speed, improve construction efficiency, prevent slurries to external diffusion；The setting of stabilization zone avoids bedding when lifting that drum phenomenon has occurred, and has the advantages that simple process, strong operability and construction efficiency are high.
Description
Technical field
The utility model relates to the technical fields of high-speed railway subgrade differential settlement reparation, more particularly, to a kind of high speed
Railway bed differential settlement reinforces lifting leveling structure.
Background technique
The High-speed Railway Network in China is criss-cross at present, has become one of most common trip vehicles of people.Ginseng
Examine Fig. 1, the track of high-speed railway includes the embankment 2 on roadbed 1, it is provided with track plates 22 on embankment 2, the two of track plates 22
Side is provided with contact net column 21, and two pairs of rail 23 are provided on track plates 22.After high-speed railway opens operation, due to some
Route active time length, complex geologic conditions, quality controls the reasons such as sedimentation not in place and regional in work progress, leads to office
There is different degrees of sedimentation in the infrastructure of portion's high-speed track such as roadbed, ground, to generate high speed railway track sedimentation
Disease, it has seriously affected the comfort of train, reduces the speed of service of train and the traffic capacity of railway road, is high
One of important hidden danger of fast railway traffic safety.
It is existing both at home and abroad in the research of the fast repair technique of high speed railway track structure sediment disease also in starting
In the stage, existing to can refer to the Chinese patent that Authorization Notice No. is CN 103410063B, it discloses one kind for settling without the tiny fragments of stone, coal, etc.
The method that the slip-casting lifting of track is quickly repaired, using high-pressure slip-casting equipment in certain grouting pressure, temperature and flow condition
Under, with two sides grouting sequence behind first centre by the fast hard injecting paste material of rapid hardening, pass through the Grouting Pipe being pre-installed in injected hole
It is injected into the graded broken stone of supporting layer lower part of non-fragment orbit, is lifted track structure using the effect of grouting pressure.
The method that prior art among the above has the following deficiencies: high-pressure slip-casting is mainly the work for utilizing grouting pressure
It is promoted with by track structure, since the subgrade bed below track is that rubble and cobble etc. are laid with, is lifted in high-pressure slip-casting
During it is possible that bedding by grouting pressure occur part rise drum phenomenon, uniformly track cannot be lifted；Simultaneously
Since two sides are soft soil foundations, when high-pressure slip-casting, will lead to slurries and spread to two sides, not only waste material, but also can reduce slip casting
Pressure, slow down lifting leveling speed, reduce construction efficiency.
Utility model content
The purpose of the utility model is to provide a kind of simple process, strong operability and the high high-speed railway roads of construction efficiency
Base differential settlement reinforces lifting leveling structure.
The above-mentioned purpose of the utility model has the technical scheme that a kind of high-speed railway subgrade is uneven
It is even sedimentation reinforce lifting leveling structure include be arranged in below railroad track inside embankment by static pressure grouting formed stabilization zone,
The curtain wall and be arranged between stabilization zone and curtain wall that embankment two sides are formed by static pressure grouting close to slope foot position are set
The active force for being conducive to slip casing by pressure pushes area.By pushing area's slip casting to generate upward grouting pressure to active force, by embankment
Uniformly lifting achievees the purpose that level track.
By using above-mentioned technical proposal, before active force pushes area's mortar depositing construction, first setting is located at the curtain wall of two sides
With the stabilization zone on the embankment of upside；It can make grouting pressure preferably reinforcing block transitive to the upper side by the way that curtain wall is arranged,
Accelerate lifting speed, improve construction efficiency, prevent slurries to external diffusion, grouting pressure is caused to reduce, slow down lifting speed, reduces
Construction efficiency；Effectively grouting pressure uniformly can be applied on stabilization zone by the way that stabilization zone is arranged, lift embankment uniformly
It rises, avoids track bed when lifting on embankment that drum phenomenon has occurred in slip casting, cause unevenly to be lifted.
The utility model is further arranged to: the stabilization zone is provided with framework of steel reinforcement, and the framework of steel reinforcement is by stabilization zone
Slip casting steel pipe composition.
By using above-mentioned technical proposal, bar frame support, soil mass consolidation can be played the role of to the embankment soil body.
The utility model is further arranged to: multiple slurry outlets are arranged on the stabilization zone slip casting steel pipe bottom end cap.
By using above-mentioned technical proposal, when slip casting, slurry infiltration can be made more uniform, the structural body after consolidation is closely knit
It spends, intensity is high.
The utility model is further arranged to: the stabilization zone slip casting steel pipe is arranged in rows.
By using above-mentioned technical proposal, two adjacent slip casting regions can be made to be engaged even closer.
The utility model is further arranged to: the stabilization zone slip casting steel pipe tilt angle is 10 ° -30 °.
By using above-mentioned technical proposal, certain tilt angle, which is arranged, can make slurry infiltration more uniform, prevent simultaneously
Only flowed outwardly in slip casting.
The utility model is further arranged to: the curtain wall is provided with framework of steel reinforcement, and the framework of steel reinforcement is by curtain wall
Slip casting steel pipe composition.
By using above-mentioned technical proposal, bar frame support can be played the role of to the soil body of setting curtain wall zone,
Soil mass consolidation simultaneously.
The utility model is further arranged to: the curtain wall slip casting steel pipe is two rows of arrangements.
By using above-mentioned technical proposal, two adjacent slip casting regions can be made to be engaged even closer.
The utility model is further arranged to: multiple slurry outlets are arranged on the curtain wall slip casting steel pipe bottom end cap.
By using above-mentioned technical proposal, when slip casting, slurry infiltration can be made more uniform, the structural body after consolidation is closely knit
It spends, intensity is high.
The utility model is further arranged to: the high-speed railway subgrade differential settlement reinforces lifting leveling structure, also
Including monitoring system and track plates center line is set, the sedimentation at the top of the rail of two sides and on the contact net column of track plates two sides
Observation point.
By using above-mentioned technical proposal, the lifting of track and track plates is observed in real time, observation lifting speed and
Highly, grouting pressure and grout coordinate ratio are adjusted at any time with console lifting speed.
In conclusion the advantageous effects of the utility model are as follows:
1. grouting pressure preferably reinforcing block transitive to the upper side can be made to the reinforcement effect of the soil body by curtain wall,
Accelerate lifting speed, improve construction efficiency, prevent slurries to external diffusion, grouting pressure is caused to reduce, slow down lifting speed, reduces
Construction efficiency；
2. can effectively uniformly be applied to grouting pressure on stabilization zone by the way that stabilization zone is arranged, lift embankment uniformly
It rises, avoids track bed when lifting on embankment that drum phenomenon has occurred in slip casting, cause unevenly to be lifted；
3. active force pushes area to be arranged in roadbed, track bed is also enhanced while completing slip-casting lifting leveling
Intensity and whole compactness prevent from settling again after track leveling.
Detailed description of the invention
Fig. 1 is the cross-sectional configuration schematic diagram that high-speed railway subgrade differential settlement reinforces lifting leveling structure.
Fig. 2 is that high-speed railway subgrade differential settlement reinforces lifting leveling structure top view.
In figure, 1, roadbed；2, embankment；21, contact net column；211, contact net upright post basic；22, track plates；23, steel
Rail；24, stabilization zone；241, stabilization zone slip casting steel pipe；3, curtain wall；31, curtain wall slip casting steel pipe；4, active force pushes area；41,
Active force pushes area's slip casting steel pipe；5, settlement observation point.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Fig.1, is a kind of high-speed railway subgrade differential settlement reinforcing lifting leveling structure disclosed by the utility model,
Including be arranged in below railroad track inside embankment 2 by static pressure grouting formed stabilization zone 24, setting it is close in 2 two sides of embankment
The curtain wall 3 and setting that slope foot position is formed by static pressure grouting are conducive to slip casing by pressure between stabilization zone 24 and curtain wall 3
Active force push area 4.
Referring to Fig.1 with Fig. 2, the setting of stabilization zone 24 inside embankment 2, banketed with improving weak embankment 2 below the railroad track
The whole compactness and intensity of layer.Its forming process are as follows: multiple rows of stabilization zone slip casting steel pipe 241 is arranged on 2 slope of embankment, it can be with
It is horizontally disposed, 10 ° -30 ° of angle can also be tilted down, using quincuncial arrangement, 241 spacing 2.5m- of stabilization zone slip casting steel pipe
3.5m, the dilation angle 1.5m-2.5m of slurries, using the construction of hole method is jumped, this method can be such that two adjacent slip casting regions are engaged
Even closer, slurry infiltration is more uniform；Slip casting steel pipe osmotic grouting reinforcement process is used when slip casting, it is right during slip casting to avoid
The disturbance of foundation soil causes to destroy roadbed 1 two times, since 241 bottom of stabilization zone slip casting steel pipe is provided with end cap, so
Multiple slurry outlets are set in 241 bottom head covers of stabilization zone slip casting steel pipe, slurry infiltration can be made more uniform, the structure after consolidation
Body compactness is good, and intensity is high；Stabilization zone slip casting steel pipe 241 is implanted into soil layer after the completion of slip casting, is not extracted, thus to 2 soil of embankment
Body plays the role of bar frame support, soil mass consolidation.
After the completion of embankment 2 is reinforced, osmotic grouting reinforcing is carried out to close to the position of 2 two sides slope foot of embankment, forms curtain
Wall 3, prevents slurries to external diffusion, while improving 2 slope foot compactness of embankment and intensity, and embankment 2 is avoided to be lifted leveling process Road
Drum phenomenon has occurred for 2 two sides of dike.The forming process of curtain wall 3 are as follows: arrange curtain wall slip casting steel in 2 two sides slope foot of embankment arrangement 1-2
Pipe 31, curtain wall slip casting steel pipe 31 length 5m-8m, spacing 2.5m-3.5m are constructed using hole method is jumped；Then slip casting steel pipe is used
Osmotic grouting reinforcement process slip casting, the dilation angle of slurries are 1.5m-2.5m.Since 31 bottom of curtain wall slip casting steel pipe is provided with
End cap can make slurry infiltration more uniform so multiple slurry outlets are arranged in 31 bottom head covers of curtain wall slip casting steel pipe, Gu
Structural body compactness after knot is good, and intensity is high；Curtain wall slip casting steel pipe 31 is implanted into soil layer after the completion of slip casting, is not extracted, thus
Play the role of bar frame support to curtain wall 3.
Referring to Fig.1 with Fig. 2, active force pushes area 4 to be arranged between stabilization zone 24 and curtain wall 3, in stabilization zone 24 and curtain
After curtain wall 3 is completed, the leveling of 1 pressure lifts of roadbed is carried out, by adjusting concentration of slurry and grouting pressure, active force is formed and drives
The uniformly lifting upwards of embankment 2.It when rising height reaches Track desigh absolute altitude about 5mm, avoids Uplifting amount excessive, can stop lifting
Operation is risen to be finely adjusted track plates 22 after 1 slip casing by pressure of roadbed lifting is completed, reach track level measuring required precision, it can be with
It is finely adjusted using cushion block or other modes.The work progress in active force promotion area 4 are as follows: arrange row effect in 2 slope foot of embankment
Dynamic area's slip casting steel pipe 41 is pushed, brill slip casting is applied in inclination, and 45 ° of tilt angle, active force pushes 41 spacing 2m-3m of area's slip casting steel pipe,
The dilation angle 1.5m-2.0m of slurries infuses all-in-one machine grouting process using boring, creeps into one section of one section of slip casting, then proceed to creep into
Slip casting area segmentation is carried out drilling slip casting by slip casting, this technique, to adequately utilize grouting pressure effect, two are used when slip casting
Side slip casting simultaneously, the grouting pressure of adjacent two slip casting steel pipe answer small one and large one, by different grouting pressures, are allowed to balanced Matching
Regulation appropriateness, achievees the purpose that uniformly be lifted embankment 2 and realizes and level, if settling section is longer, both ends can be used to centre gradually
Lifting leveling.
241 tilt angle of stabilization zone slip casting steel pipe is 10 ° -30 °, pushes the inclination of area's slip casting steel pipe 41 to apply brill note with active force
Slurry, 45 ° of tilt angle, certain tilt angle, which is arranged, can make slurry infiltration more uniform, while prevent outside in slip casting
Outflow cooperates, and saves material, and uniform force is more advantageous to lifting.
The utility model stabilization zone 24 and 3 grouting and reinforcing liquid of curtain wall are preferably used based on cement single slurry, and the ratio of mud is
0.6-1.0:1, adds appropriate water glass curing agent 5%-15% according to the actual situation, and the effect of curing agent is to enhance the infiltration of slurries
Property, adjustment slurries setting time, effectively control slurries dilation angle.
The utility model active force pushes 4 slurries of area preferably to use cement+water glass curing agent ungauged regions dual slurry, the ratio of mud
For 0.8-1:1, water: water glass curing agent 1:0.8-1.0, the concentration of slurry is larger, and setting time is short, and grouting pressure can be short
It is increased in time, forms active force, achieve the purpose that lifting leveling.
Referring to Fig.1 with Fig. 2, in order to which the lifting to rail 23 and track plates 22 is observed in real time, observation is lifted speed, with
When adjustment grouting pressure and grout coordinate ratio.It is also provided with monitoring system, monitoring system is for monitoring embankment 2 during lifting levels
With the stress deformation state of track structure；Monitoring system includes setting in 22 center line of track plates, 23 top of two sides rail and rail
Settlement observation point 5 on the contact net upright post basic 211 of 22 two sides of guidance tape, settlement observation point 5 are main along track circuit direction interval 3m
During monitoring lifting leveling, the variable condition of embankment 2 and track structure.
The work progress of the utility model is as follows:
Static pressure grouting forms stabilization zone 24 on the slope of embankment 2 below the railroad track, then in 2 two sides slope foot of embankment
Position static pressure grouting forms curtain wall 3, after the reinforcing of stabilization zone 24 and curtain wall 3 is completed, arranges settlement observation system, right
Active force pushes area 4 to carry out slip-casting lifting leveling, and by monitoring the data of system, observation lifting speed adjusts slip casting pressure at any time
Power and grout coordinate ratio carry out accurate adjustment using cushion block, reach high-speed railway when rising height reaches Track desigh absolute altitude about 5mm
Flatness required precision carries out the next position construction.
The implementation principle of the present embodiment are as follows: before active force pushes 4 mortar depositing construction of area, first setting is located at the curtain wall of two sides
3 and upside embankment 2 on stabilization zone 24；It can make grouting pressure preferably stabilization zone to the upper side by the way that curtain wall 3 is arranged
24 transmitting accelerate lifting speed, improve construction efficiency, prevent slurries to external diffusion, grouting pressure is caused to reduce, and slow down lifting speed
Degree reduces construction efficiency；Effectively grouting pressure uniformly can be applied on stabilization zone 24 by the way that stabilization zone 24 is arranged, made
Embankment 2 is uniformly lifted, and is avoided 1 bedding of roadbed when lifting on embankment 2 that drum phenomenon has occurred in slip casting, is caused unevenly to lift
It rises；Also residing in active force with traditional grouting mode difference pushes area 4 to be arranged in roadbed 1, completes slip-casting lifting leveling
The intensity and whole compactness of track bed 1 are also enhanced simultaneously, prevent from settling again after track leveling；It uses simultaneously
Static pressure injection method reduces the disturbance to 1 soil body of roadbed, avoids and carries out secondary destruction to roadbed 1.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (9)
1. a kind of high-speed railway subgrade differential settlement reinforces lifting leveling structure, it is characterised in that: including being arranged in rail
The internal stabilization zone (24) formed by static pressure grouting of embankment (2), setting are logical close to slope foot position in embankment (2) two sides below road
The curtain wall (3) and setting of crossing static pressure grouting formation are conducive to the work of slip casing by pressure between stabilization zone (24) and curtain wall (3)
Enforce area (4).
2. a kind of high-speed railway subgrade differential settlement according to claim 1 reinforces lifting leveling structure, feature exists
In: the stabilization zone (24) is provided with framework of steel reinforcement, and the framework of steel reinforcement is made of stabilization zone slip casting steel pipe (241).
3. a kind of high-speed railway subgrade differential settlement according to claim 2 reinforces lifting leveling structure, feature exists
In: multiple slurry outlets are set in stabilization zone slip casting steel pipe (241) bottom head covers.
4. a kind of high-speed railway subgrade differential settlement according to claim 2 reinforces lifting leveling structure, feature exists
In: the stabilization zone slip casting steel pipe (241) is arranged in rows.
5. a kind of high-speed railway subgrade differential settlement according to claim 3 reinforces lifting leveling structure, feature exists
In: stabilization zone slip casting steel pipe (241) tilt angle is 10 ° -30 °.
6. a kind of high-speed railway subgrade differential settlement according to claim 1 reinforces lifting leveling structure, feature exists
In: the curtain wall (3) is provided with bar frame, and the bar frame is made of curtain wall slip casting steel pipe (31).
7. a kind of high-speed railway subgrade differential settlement according to claim 6 reinforces lifting leveling structure, feature exists
In: the curtain wall slip casting steel pipe (31) is two rows of arrangements.
8. a kind of high-speed railway subgrade differential settlement according to claim 6 reinforces lifting leveling structure, feature exists
In: multiple slurry outlets are set in curtain wall slip casting steel pipe (31) bottom head covers.
9. a kind of high-speed railway subgrade differential settlement according to claim 1 reinforces lifting leveling structure, feature exists
In: be additionally provided with including monitoring system, the system that monitors include setting at the top of track plates (22) center line, two sides rail (23) and
Settlement observation point (5) on the contact net upright post basic (211) of track plates (22) two sides.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821707624.7U CN209338921U (en) | 2018-10-19 | 2018-10-19 | A kind of high-speed railway subgrade differential settlement reinforcing lifting leveling structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821707624.7U CN209338921U (en) | 2018-10-19 | 2018-10-19 | A kind of high-speed railway subgrade differential settlement reinforcing lifting leveling structure |
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| CN209338921U true CN209338921U (en) | 2019-09-03 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424469A (en) * | 2019-11-19 | 2020-07-17 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Waterproof structure in ballastless track of roadbed, construction method and application |
| CN111560798A (en) * | 2020-05-29 | 2020-08-21 | 中铁二院工程集团有限责任公司 | Bidirectional adjusting device for deformation of roadbed of ballastless track high-speed railway, using method and construction method |
| CN114108720A (en) * | 2020-08-26 | 2022-03-01 | 北京恒祥宏业基础加固技术有限公司 | Real-time monitoring method, system and device for grouting reinforcement and lifting of existing building |
| CN114517481A (en) * | 2020-11-20 | 2022-05-20 | 北京恒祥宏业基础加固技术有限公司 | Intelligent monitoring method, device and system for grouting reinforcement and lifting of existing building and computer readable storage medium |
-
2018
- 2018-10-19 CN CN201821707624.7U patent/CN209338921U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424469A (en) * | 2019-11-19 | 2020-07-17 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Waterproof structure in ballastless track of roadbed, construction method and application |
| CN111560798A (en) * | 2020-05-29 | 2020-08-21 | 中铁二院工程集团有限责任公司 | Bidirectional adjusting device for deformation of roadbed of ballastless track high-speed railway, using method and construction method |
| CN111560798B (en) * | 2020-05-29 | 2021-12-07 | 中铁二院工程集团有限责任公司 | Bidirectional adjusting device for deformation of roadbed of ballastless track high-speed railway, using method and construction method |
| CN114108720A (en) * | 2020-08-26 | 2022-03-01 | 北京恒祥宏业基础加固技术有限公司 | Real-time monitoring method, system and device for grouting reinforcement and lifting of existing building |
| CN114517481A (en) * | 2020-11-20 | 2022-05-20 | 北京恒祥宏业基础加固技术有限公司 | Intelligent monitoring method, device and system for grouting reinforcement and lifting of existing building and computer readable storage medium |
| WO2022105429A1 (en) * | 2020-11-20 | 2022-05-27 | 北京恒祥宏业基础加固技术有限公司 | Intelligent monitoring method, apparatus and system for grouting, reinforcement and lifting of existing building, and computer readable storage medium |
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