CN110159300A - A kind of shield tunnel repairing and reinforcement platform and reinforcement means - Google Patents
A kind of shield tunnel repairing and reinforcement platform and reinforcement means Download PDFInfo
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- CN110159300A CN110159300A CN201910353616.XA CN201910353616A CN110159300A CN 110159300 A CN110159300 A CN 110159300A CN 201910353616 A CN201910353616 A CN 201910353616A CN 110159300 A CN110159300 A CN 110159300A
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 65
- 238000010276 construction Methods 0.000 claims abstract description 9
- 230000008439 repair process Effects 0.000 claims abstract description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000007569 slipcasting Methods 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000013097 stability assessment Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 239000011435 rock Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000005336 cracking Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000009329 sexual behaviour Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Abstract
The present invention relates to a kind of shield tunnel repairing and reinforcement platform and reinforcement means, the platform includes longitudinal by the multiple sub-platforms for setting spacing arrangement and mutually vertical flexible link and the platform base to transport along shield tunnel, each sub-platform includes operating platform arranged at the bottom and two annular frames identical with operating platform integrated molding and structure arranged side by side, each annular frame includes hollow frame main shaft, the support construction of connecting platform pedestal and operating platform to the jack column that supports and along annular frame circumferentially, the operating platform is equipped with control host and hydraulic exchange.Compared with prior art, the present invention has many advantages, such as powerful, efficient repair, convenient for Function Extension.
Description
Technical field
The present invention relates to Tunnel Engineering technical fields, more particularly, to a kind of shield tunnel repairing and reinforcement platform and reinforcing side
Method.
Background technique
With the growth of the shield subway tunnel operation time limit, by the shadow of own operations load and surrounding enviroment loads change
It rings, shield subway tunnel section of jurisdiction often will appear various diseases, including cracking, faulting of slab ends, relative settlement, percolating water etc., in addition, shield
Structure Subway Tunnel Lining ring will appear biggish deformation, influence the safety of subway tunnel operation.
The rounding device using with shield machine one main at present is to duct pieces of shield tunnel progress full circle processing, but shield machine
Figure is larger, operating difficulties.Also, the subway tunnel gut line in operation is numerous, and headroom is restricted, often can not be using biography
The rounding device of system carries out operation tactics repairing and reinforcement.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of shield tunnel reparations
Reinforce platform and reinforcement means.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of shield tunnel repairing and reinforcement platform, to provide circumferential support to realize shield tunnel longitudinal direction interannular difference
The reparation and adjustment of sedimentation, multiple sons including longitudinally pressing setting spacing arrangement and mutually vertical flexible link along shield tunnel are flat
Platform and the platform base to transport, each sub-platform include operating platform arranged at the bottom and with operating platform one
Molding and identical two annular frames of structure arranged side by side, each annular frame include hollow frame main shaft, connect and put down
The support construction of platform pedestal and operating platform to the jack column that supports and along annular frame circumferentially, the behaviour
Make platform and is equipped with control host and hydraulic exchange.
The support construction includes multiple is arranged at the top of annular frame and the section of jurisdiction hydraulic pressure support unit of side.
The section of jurisdiction hydraulic pressure support unit includes rod-shaped hydraulic jack and the curved plate with multi-directional ball, described
Rod-shaped hydraulic jack one end is connect with along annular frame outer surface, and the other end is connect with multi-directional ball, outside the curved plate
Surface and shield duct piece are adjacent to support, the hydraulic oil in the hydraulic cavities of the rod-shaped hydraulic jack and hollow frame main shaft
Pipeline connection, and respective pressure is controlled by hydraulic exchange.
The platform base includes wheel and is arranged on wheel to the platform floor supported, each annular frame
Jack column upper end and operating platform support, lower end is telescopically connect with platform floor, to realize annular frame
Upright position is adjusted.
Each sub-platform bottom is equipped with to provide the support frame of support during installation.
When carrying out section of jurisdiction faulting of slab ends in ring and deforming full circle, the sub-platform is at least provided with three, wherein including at least
One to make the work sub-platform that the support of sedimentation section of jurisdiction occurs and the Auxiliary support that rises that work sub-platform two sides are arranged in
Auxiliary sub-platform.
The curved plate and shield duct piece contact surface is equipped with rubber spacer.
A kind of reinforcement means for reinforcing platform using shield Segment rehabilitation, comprising the following steps:
S1 carries out deformation monitoring to section of jurisdiction ring, obtains the deformation of repairing and reinforcement front tube loop, determines corresponding reparation
Scheme of Strengthening, scheme of restoration and reinforcement include using secondary grouting hole grouting and reinforcing in grouting and reinforcing outside hole and hole；
S2 carries out preliminary treatment to the section of jurisdiction ring for needing repairing and reinforcement, clears up section of jurisdiction surface failure of rock concrete；
S3 uses pulling equipment by shield since shield repairing and reinforcement platform itself is free of power traction equipment before strengthening construction
Structure repairing and reinforcement platform is drawn to needing reinforcing pipe loop in place, and according to scheme of restoration and reinforcement, corresponding be located in of the sub-platform that works is needed
Reinforcing pipe loop, remaining auxiliary sub-platform are symmetrically distributed in work sub-platform two sides；
S4 applies unbalanced pressure to rod-shaped hydraulic jack, guarantees the curved plate and tunnel of rod-shaped hydraulic jack top end part
The close contact of road section of jurisdiction, the stability that auxiliary sub-platform is used to ensure to reinforce adjacent tubes loop in operating process, it is ensured that repair and add
Gu be not in the process because external grouting pressure apply the improper or excessive reason of bolt hypogene geologic action caused by sudden accident；
S5 is according to the section of jurisdiction ring initial deformation situation monitored, and pretightning force, wrong for adjustment section of jurisdiction with adjusting between section of jurisdiction bolt
Platform and section of jurisdiction ring full circle are prepared；
S6 carries out the outer lack of balance slip casting in hole in hole according to scheme of restoration and reinforcement respectively, according to slip casting process and deformation,
The pressure of pressure monitoring rod-shaped hydraulic jack on sub-platform as a result, synchronous adjustment works, gradually ring to be repaired is reinforced in amendment
Section of jurisdiction faulting of slab ends and ovality, and real-time monitoring is carried out during the adjustment, it is ensured that the safety of repairing and reinforcement process；
S7 carries out deformation and the stability assessment of section of jurisdiction ring, when the damage of tunnel recurring structure, using steel-bonded reinforcement side
Method is reinforced；
S8 discharges rod-shaped Hydraulic Jack in the case where ensuring safety, withdraws from shield repairing and reinforcement platform, completes
Repairing and reinforcement.
Compared with prior art, the invention has the following advantages that
One, powerful: the present invention is directed to duct pieces of shield tunnel cracking, faulting of slab ends, relative settlement, leakage during metro operation
The problems such as water, provides operating platform, can be reinforced to section of jurisdiction and section of jurisdiction ring, the repairing and reinforcements operation such as full circle；Platform uses frame
The structure type that hydraulic jack is configured on frame main shaft, devises the frame main shaft for considering tunnel clearance, in conjunction with adjustment jack
And its connector, numerous pipelines of shield tunnel can be avoided, operation duct pieces of shield tunnel and section of jurisdiction ring are quickly and conveniently carried out
It reinforces and repairs.
Two, it efficiently repairs: heretofore described shield tunnel repairing and reinforcement platform high degree of automation, it can be in night subway
Stoppage in transit gap enters tunnel and carries out rapid construction, and platform application method is simple, and can withdraw from time, saves equipment in tunnel
The time of interior assembling and debugging reduces the influence to subway normal operation so that repairing and reinforcement efficiency is greatly improved.
Three, be convenient for Function Extension: heretofore described shield tunnel repairing and reinforcement platform exploitability is high, can increase inspection
The equipment such as survey, real-time monitoring, synchronous grouting are integrated into more comprehensively unified platform.
Detailed description of the invention
Fig. 1 is the cross-sectional configuration schematic diagram of shield repairing and reinforcement platform.
Fig. 2 is the profilograph of single shield repairing and reinforcement sub-platform.
Fig. 3 is the concatenated vertical section structure schematic diagram of multiple shield repairing and reinforcement platforms.
Wherein, 1, operating platform, 2, control host, 3, hydraulic exchange, 4, hydraulic oil pipeline, 5, platform floor, 6, frame
Main shaft, 7, jack column, 8, curved plate, 9, rubber spacer, 10, multi-directional ball, 11, platform base, 12, rod-shaped hydraulic jack
Top, 13, support frame, 14, shield duct piece, flexible link between 15, sub-platform.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
In order to realize invention technological means, create feature, reach purpose and effect is easy to understand, below in conjunction with
It is specifically illustrating, the present invention is further elaborated.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of shield tunnel repairing and reinforcement platform, to solve traditional shield machine full circle
The complexity and limitation of device repairing and reinforcement operation realize that the cracking, faulting of slab ends, difference that occur to subway segment during operation are heavy
The quick processing of the problems such as drop, percolating water, and method is simple, and the influence to subway tunnel operation, including behaviour can be greatly reduced
Make platform 1, control host 2, hydraulic exchange 3, hydraulic oil pipeline road 4, rod-shaped hydraulic jack 12, frame main shaft 6, telescopic branch
Frame 7, curved plate 8, rubber spacer 9, multi-directional ball 10 and platform base 11.
As shown in Fig. 2, each sub-platform of shield repairing and reinforcement platform is by platform base 11, jack column 7 and frame
Main shaft 6 forms, and two frame main shafts 6 are connected, and forms the operating platform 1 of repairing and reinforcement platform.It is disposed on operating platform 1
Control host 2 and hydraulic exchange 3.Frame main shaft 6 is hollow to be equipped with hydraulic oil pipeline 4, and hydraulic oil pipeline 4 passes through inside frame main shaft
Space is connected with the rod-shaped hydraulic jack 7 being arranged on frame main shaft 6.Rod-shaped 7 end of hydraulic jack with multi-directional ball 10
Curved plate 8 connect, curved plate 8 support shield duct piece 14 panel on be arranged rubber spacer 9.
Rod-shaped hydraulic jack 7 in the present embodiment is respectively independent, can apply unbalanced pressure, each shield reparation adds
It, can also be as needed when carrying out section of jurisdiction faulting of slab ends in ring, deformation full circle, improving section of jurisdiction ring stiffness Gu sub-platform can work independently
Multi-platform combined work is carried out along longitudinal direction, as shown in figure 3, cooperation tunnel is outer, unbalanced slip casting of bottom and side in tunnel, progress
The reparation of tunnel longitudinal direction interannular relative settlement adjusts.
The application method of shield tunnel repairing and reinforcement platform of the present invention, comprising the following steps:
S1, deformation monitoring is carried out to section of jurisdiction ring, obtains the deformation of repairing and reinforcement front tube loop, determines repairing and reinforcement side
Case, scheme of restoration and reinforcement include using secondary grouting hole grouting and reinforcing in grouting and reinforcing outside hole or hole, and progress steel-bonded reinforcement
Deng；
S2, the position of repairing and reinforcement is needed to carry out the sections of jurisdiction tables such as preliminary treatment, including cleaning breaking concrete to section of jurisdiction ring
Surface treatment measure；
S3, reinforcing platform itself are free of power traction equipment, need to add shield reparation using pulling equipment before strengthening construction
Gu platform is drawn to needing reinforcing pipe loop in place.According to scheme of restoration and reinforcement, sub-platform correspondence needs reinforcing pipe among hardened system
Loop (is defined as work sub-platform), remaining sub-platform is symmetrically distributed in intermediate sub-platform two sides (being defined as auxiliary sub-platform).
S4, unbalanced pressure is applied using rod-shaped hydraulic jack, guarantees the curved plate of rod-shaped hydraulic jack top end part
The stability for being used to ensure to reinforce adjacent ring in operating process with tunnel duct piece close contact, auxiliary sub-platform, it is ensured that repair and add
Gu being in the process not in the sexual behavior that happens suddenly caused by applying the reasons such as improper or bolt hypogene geologic action is excessive because of external grouting pressure
Therefore；
S5, according to the section of jurisdiction ring initial deformation situation that monitors, pretightning force, wrong for adjustment section of jurisdiction with adjusting between section of jurisdiction bolt
Platform and section of jurisdiction ring full circle are prepared；
S6, according to scheme of restoration and reinforcement, the outer lack of balance slip casting in hole in hole is carried out respectively, according to slip casting process and change
The pressure of shape, pressure monitoring rod-shaped hydraulic jack of sub-platform as a result, synchronous adjustment works, gradually corrects reinforcement and repair endless tube piece
The ovality of faulting of slab ends and section of jurisdiction ring, and real-time monitoring is carried out during the adjustment, it is ensured that the safety of repairing and reinforcement process；
S7, the deformation for carrying out section of jurisdiction ring and stability assessment are carried out using the methods of steel bonding when necessary according to assessment result
It reinforces；
After the completion of S8, repairing and reinforcement, discharges rod-shaped Hydraulic Jack in time in the case where ensuring safety, withdraw from shield
Structure repairing and reinforcement platform, it is ensured that the normal operation of subway tunnel.
Claims (8)
1. a kind of shield tunnel repairing and reinforcement platform realizes that shield tunnel longitudinal direction interannular difference is heavy to provide circumferential support
The reparation and adjustment of drop, which is characterized in that including longitudinally pressing setting spacing arrangement and mutually vertical flexible link along shield tunnel
Multiple sub-platforms and the platform base to transport (11), each sub-platform includes operating platform arranged at the bottom (1)
And two annular frames identical with operating platform (1) integrated molding and structure arranged side by side, each annular frame include
Hollow frame main shaft (6), connecting platform pedestal (11) and operating platform (1) is to the jack column (7) supported and edge
The support construction of annular frame circumferentially, the operating platform (1) are equipped with control host (2) and hydraulic exchange (3).
2. a kind of shield tunnel repairing and reinforcement platform according to claim 1, which is characterized in that the support construction packet
Include multiple be arranged at the top of annular frame and the section of jurisdiction hydraulic pressure support unit of side.
3. a kind of shield tunnel repairing and reinforcement platform according to claim 2, which is characterized in that the hydraulic branch in the section of jurisdiction
Support unit includes rod-shaped hydraulic jack (12) and the curved plate (8) for having multi-directional ball (10), the rod-shaped hydraulic jack
Top (12) one end is connect with along annular frame outer surface, and the other end is connect with multi-directional ball (10), the curved plate (8) appearance
Face and shield duct piece (14) are adjacent to support, the hydraulic cavities of the rod-shaped hydraulic jack (12) and hollow frame main shaft (6)
Interior hydraulic oil pipeline (4) connection, and respective pressure is controlled by hydraulic exchange (3).
4. a kind of shield tunnel repairing and reinforcement platform according to claim 2, which is characterized in that the platform base
(11) include wheel and be arranged on wheel to the platform floor (5) supported, the jack column (7) of each annular frame
Upper end and operating platform (1) support, and lower end is telescopically connect with platform floor (5), to realize the vertical position of annular frame
Set adjusting.
5. a kind of shield tunnel repairing and reinforcement platform according to claim 1, which is characterized in that each sub-platform bottom is equal
Equipped with the support frame (13) to provide support during installation.
6. a kind of shield tunnel repairing and reinforcement platform according to claim 1, which is characterized in that carrying out, section of jurisdiction in ring is wrong
When platform and deformation full circle, the sub-platform is at least provided with three, wherein including at least one to settle section of jurisdiction branch to generation
The work sub-platform of support and the auxiliary sub-platform for playing Auxiliary support that work sub-platform two sides are set.
7. a kind of shield tunnel repairing and reinforcement platform according to claim 3, which is characterized in that the curved plate
(8) rubber spacer (9) are equipped with shield duct piece (14) contact surface.
8. a kind of reinforcement means of application such as the described in any item shield tunnel repairing and reinforcement platforms of claim 1-7, feature
It is, comprising the following steps:
S1 carries out deformation monitoring to section of jurisdiction ring, obtains the deformation of repairing and reinforcement front tube loop, determines corresponding repairing and reinforcement
Scheme, scheme of restoration and reinforcement include using secondary grouting hole grouting and reinforcing in grouting and reinforcing outside hole and hole；
S2 carries out preliminary treatment to the section of jurisdiction ring for needing repairing and reinforcement, clears up section of jurisdiction surface failure of rock concrete；
S3 is repaired shield using pulling equipment before strengthening construction since shield repairing and reinforcement platform itself is free of power traction equipment
It is added with solid platform to draw to needing reinforcing pipe loop in place, according to scheme of restoration and reinforcement, corresponding be located in of the sub-platform that works needs to reinforce
Section of jurisdiction ring, remaining auxiliary sub-platform are symmetrically distributed in work sub-platform two sides；
S4 applies unbalanced pressure to rod-shaped hydraulic jack, guarantees the curved plate and tunneltron of rod-shaped hydraulic jack top end part
Piece is in close contact, the stability that auxiliary sub-platform is used to ensure to reinforce adjacent tubes loop in operating process, it is ensured that repairing and reinforcement mistake
Be not in journey because external grouting pressure apply the improper or excessive reason of bolt hypogene geologic action caused by sudden accident；
S5 is according to the section of jurisdiction ring initial deformation situation monitored, with adjusting between section of jurisdiction bolt pretightning force, for adjustment section of jurisdiction faulting of slab ends and
Section of jurisdiction ring full circle is prepared；
S6 carries out the lack of balance slip casting outside hole and in hole, according to slip casting process and deformation, pressure according to scheme of restoration and reinforcement respectively
Monitoring result, synchronous adjustment work the pressure of the rod-shaped hydraulic jack on sub-platform, and gradually endless tube piece to be repaired is reinforced in amendment
Faulting of slab ends and ovality, and real-time monitoring is carried out during the adjustment, it is ensured that the safety of repairing and reinforcement process；
S7 carry out section of jurisdiction ring deformation and stability assessment, when tunnel recurring structure damage when, using steel-bonded reinforcement method into
Row is reinforced；
S8 discharges rod-shaped Hydraulic Jack in the case where ensuring safety, withdraws from shield repairing and reinforcement platform, completes to repair
It reinforces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353616.XA CN110159300A (en) | 2019-04-29 | 2019-04-29 | A kind of shield tunnel repairing and reinforcement platform and reinforcement means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353616.XA CN110159300A (en) | 2019-04-29 | 2019-04-29 | A kind of shield tunnel repairing and reinforcement platform and reinforcement means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110159300A true CN110159300A (en) | 2019-08-23 |
Family
ID=67633030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910353616.XA Pending CN110159300A (en) | 2019-04-29 | 2019-04-29 | A kind of shield tunnel repairing and reinforcement platform and reinforcement means |
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| Country | Link |
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| CN (1) | CN110159300A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263485A (en) * | 2021-12-24 | 2022-04-01 | 西安建筑科技大学 | Prestressed support for shield tunnel support and use method thereof |
| CN114439511A (en) * | 2022-01-28 | 2022-05-06 | 青岛市西海岸轨道交通有限公司 | Reinforcing device for grouting treatment of leakage water of operating tunnel and working method |
| CN114263485B (en) * | 2021-12-24 | 2024-04-26 | 西安建筑科技大学 | Prestressed bracket for shield tunnel support and use method thereof |
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