CN109184750A - A kind of tunnel radial grouting device and method - Google Patents
A kind of tunnel radial grouting device and method Download PDFInfo
- Publication number
- CN109184750A CN109184750A CN201811356836.XA CN201811356836A CN109184750A CN 109184750 A CN109184750 A CN 109184750A CN 201811356836 A CN201811356836 A CN 201811356836A CN 109184750 A CN109184750 A CN 109184750A
- Authority
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- China
- Prior art keywords
- slip casting
- pipe
- grouting
- wall
- ball valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000007569 slipcasting Methods 0.000 claims abstract description 73
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 238000010276 construction Methods 0.000 claims abstract description 14
- 239000000565 sealant Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims description 5
- 239000004519 grease Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 210000004911 serous fluid Anatomy 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
A kind of tunnel radial grouting device, including sealing unit and slip casting unit, the sealing unit is fixedly installed on concrete lining builds a wall, slip casting unit penetrate sealing unit be set to concrete lining build a wall outside cavity in, the slip casting unit includes sequentially connected first section Grouting Pipe, several middle part Grouting Pipes, tail end Grouting Pipe, tail end slip casting tube end is provided with ball valve, and ball valve is connected with slip casting hose, and tail end slip casting tube end exposes to concrete lining side within the walls;The present apparatus and method have many advantages, such as that design is reasonable, of simple structure and low cost, operate conveniently, construction safety is reliable, can promote the use of cavity processing construction field or mountain tunnel structure outside cavity processing construction field on the outside of urban subway tunnel structure.
Description
Technical field
The invention belongs to tunnel construction device technical fields, and in particular to arrive a kind of urban subway tunnel concrete
Lining wall carries on the back empty grouting and reinforcing processing unit and method.
Background technique
In urban subway tunnel construction, since engineering geology and hydrological geological conditions are relative complex, shallow-depth-excavation tunnel
To the excessive sky for causing the earthwork to backbreak and being formed of ground disturbance when cavity existing for concrete lining behind or shield tunnel tunnel
All there is very big security risk in hole, gently then cause surface collapse, by crisis earth's surface or underground building object safety when serious.
Especially when earth's surface does not have treatment conditions, security risk existing for cavity is bigger, to ensure safety, it is necessary to carry out in hole
Injecting treatment.Since body of groundwater influences, there may be groundwater recharges in cavity at this time, landslide cavity, take in hole
Conventional boring grouting reinforcing method, there are cavity water burst risks, and slip casting effect is difficult to ensure, while also increasing construction behaviour
The difficulty of work.
Summary of the invention
Technical problem to be solved by the present invention lies in above-mentioned the deficiencies in the prior art are overcome, provide it is a kind of design rationally,
Of simple structure and low cost, easy to operate, effective solution urban subway tunnel concrete lining (shield duct piece) wall back cavity
When grouting and reinforcing in hole safe construction problem tunnel radial grouting device and method.
Solve above-mentioned technical problem the technical solution adopted is that: including sealing unit and slip casting unit, the sealing list
Member is fixedly installed on concrete lining builds a wall, and slip casting unit, which penetrates sealing unit and is set to concrete lining, builds a wall in the cavity of outside,
The slip casting unit includes sequentially connected first section Grouting Pipe, several middle part Grouting Pipes, tail end Grouting Pipe, tail end slip casting pipe end
Portion is provided with ball valve, and ball valve is connected with slip casting hose, and tail end slip casting tube end exposes to concrete lining side within the walls.
Sealing unit of the invention includes flange and gasket seal, and gasket seal is set to flange and concrete lining builds a wall it
Between, it is machined with the concentric bolt hole of a circle on flange, center is machined with mounting hole, seal pipe is provided in mounting hole, seals
Pipe one end is provided with seal cap, and one end that seal pipe and seal cap cooperate is provided with preformed groove, it is close that several shapes are provided in preformed groove
Sealing.
A few shape sealants of the invention can be arranged with single layer or multilayer setting.
The front end of first section Grouting Pipe of the invention is in hold shape level with both hands in cone, rear end.
Middle part Grouting Pipe front end of the invention is provided with connector guide pipe bell end, and connector guide pipe bell end and setting exist
The connector guide pipe fixing end of middle part slip casting inside pipe wall is linked together design, and middle part Grouting Pipe rear end is in hold shape level with both hands.
Tail end Grouting Pipe front end of the invention is provided with connector guide pipe bell end, and connector guide pipe bell end and setting exist
The connector guide pipe fixing end of tail end slip casting inside pipe wall is linked together design, is machined on the inner wall of tail end Grouting Pipe rear end and ball valve
The thread matched.
Injected hole, the injected hole are machined in quincunx in of the invention first section Grouting Pipe, middle part slip casting tube wall
For through-hole.
Injected hole of the invention is that hand painting type tail sealing is filled with from the convergent stepped hole of outer wall inward wall, injected hole
Grease.
A kind of grouting method of tunnel radial grouting device of the present invention, comprising the following steps:
S1, it carries out drilling at the explored concrete lining for needing to carry out at slip casting region in the presence of cavity position of building a wall and takes
Core, coring depth are less than Laminate construction thickness, and bottom hole reserves the concrete cover of 3~5cm;
S2, mounting hole sealing unit: using expansion bolt in aperture mounting flange, it is close that substep installs seal pipe, a few types
Sealing, seal cap;
S3, Grouting Pipe is squeezed into using the propulsion of drilling machine merogenesis, using the sharp conical shape of first section Grouting Pipe front end, impact is abolished pre-
The concrete cover stayed squeezes into first section Grouting Pipe, and subsequent Grouting Pipe merogenesis squeezes into installation, most according to slip casting cavity position situation
Grouting Pipe installation is completed eventually;
S4, seal cap is tightened up, seals the gap between a few type sealants and slip casting pipe outer wall;
S5, mounting ball valve, ball valve connect slip casting hose, and slip casting hose connects grouting equipment;
S6, ball valve is opened, carries out slip casting;
After the completion of S7, slip casting, ball valve is closed, dismantles slip casting hose, using geologic radar detection check wall back cavity filling
Situation carries out repeating slip casting when necessary;
Ball valve is removed after S8, slurries initial set;
Orifice sealing unit is removed after S9, slurries final set, cuts off exposed steel pipe, carries out sealing treatment.
The present invention has the advantage that compared with the prior art
1, the prominent mud problem of gushing water effectively in prevention Grouting Pipe drilling process, and concrete lining is realized using Grouting Pipe is synchronous
(section of jurisdiction) back cavity slip casting filling construction is built, it is easy to operate.
2, slip casting seal pipe is fixed in lining concrete in tunnel (shield duct piece) by the present invention by using flange arrangement
On wall, and the leakage of pipe port closing is realized by flange seal gasket, seal pipe and several types sealing being adapted with slip casting steel pipe
Water;The reserved injected hole on tail seal grease of shield closure slip casting steel pipe is applied by using hand simultaneously, prevents water body in hole from passing through note
Starch piping water;Slip casting finally is carried out in tail end slip casting bottom of the tube mounting ball valve, connection slip casting hose, finally realizes tunnel concrete
Lining cutting (shield duct piece) wall back cavity slip casting, the present invention is reasonable, of simple structure and low cost with design, operates conveniently, applies
The advantages that work is safe and reliable can promote the use of cavity processing construction field or mountain tunnel knot on the outside of urban subway tunnel structure
Processing construction field in cavity on the outside of structure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the invention.
Fig. 2 is the exploded view of Fig. 1.
Fig. 3 is the cross-sectional view of Fig. 2.
Fig. 4 is Grouting Pipe connection schematic diagram.
Fig. 5 is tail end Grouting Pipe 1-3 structural schematic diagram.
Fig. 6 is the partial exploded view of sealing unit 2.
Fig. 7 is the setting schematic diagram of injected hole b on slip casting tube wall.
In figure: 1, slip casting unit;2, sealing unit;3, ball valve;4, slip casting hose;5, connector guide pipe bell end;6, it connects
Head guide pipe fixing end;1-1, first section Grouting Pipe;1-2, middle part Grouting Pipe;1-3, tail end Grouting Pipe;2-1, flange;2-2, sealing
Gasket;2-3, seal pipe;2-4, a few shape sealants;2-5, seal cap;A, bolt hole;B, injected hole;C, preformed groove.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawings and examples, but the present invention is not restricted to these implement
Example.
Embodiment 1
In Fig. 1~7, a kind of tunnel radial grouting device of the present invention, including sealing unit 2 and slip casting unit 1, sealing are single
Member 2 is fixedly connected by flange using threaded connector and is installed on concrete lining (section of jurisdiction) wall, and slip casting unit 1 penetrates sealing
Unit 2, which is set, to be installed in concrete lining (section of jurisdiction) wall external cavity, and slip casting unit 1 includes sequentially connected first section Grouting Pipe
1-1, several middle part Grouting Pipe 1-2, tail end Grouting Pipe 1-3, the end tail end Grouting Pipe 1-3 expose to concrete lining side within the walls.
The front end of head section Grouting Pipe 1-1 reduces Grouting Pipe propelling resistance in cone, in favor of Grouting Pipe installation, head section Grouting Pipe 1-1
Rear end is conducive to the installation docking of subsequent tube coupling, the middle part front end Grouting Pipe 1-2 of the present embodiment is equipped with connector guide pipe in shape is held level with both hands
Bell end 5, connector guide pipe bell end 5 are linked together with the connector guide pipe fixing end 6 for being welded on middle part Grouting Pipe 1-2 inner wall
Design, in shape is held level with both hands, connector guide pipe facilitates the connection between adjacent Grouting Pipe for the middle part rear end Grouting Pipe 1-2;Tail end Grouting Pipe
The front end 1-3 is equipped with connector guide pipe bell end 5, connector guide pipe bell end 5 be welded on connecing for tail end Grouting Pipe 1-3 inner wall
Head guide pipe fixing end 6 is linked together design, and connector guide pipe herein facilitates middle part slip casting 1-2 and tail end Grouting Pipe 1-3 phase
Connection, the connector guide pipe of the present embodiment are slightly less than the steel pipe processing of slip casting bore, connector guide pipe bell end 5 using outer diameter
Length is not less than 5cm, is machined with thread on the inner wall of the rear end tail end Grouting Pipe 1-3, thread is matched with ball valve 3 by ball
Valve 3 is fixed on the end tail end Grouting Pipe 1-3, and ball valve 3 is connected with slip casting hose 4, and slip casting hose 4 is connected with grouting equipment,
By the folding of ball valve 3 to slip casting inside Grouting Pipe, it is on the first section Grouting Pipe 1-1 of the present embodiment, middle part Grouting Pipe 1-2 tube wall
It is quincunx to be machined with injected hole b, do not process injected hole b on tail end Grouting Pipe 1-3 tube wall, the injected hole b be from outer wall to
The convergent step through-hole of inner wall, injected hole b is interior to be filled with hand painting type tail seal grease of shield, prevents muddy water in cavity, dregs from entering
In Grouting Pipe, prevents generation water burst in the installation of slip casting unit and gush mud problem.
The sealing unit of the present embodiment includes flange 2-1, gasket seal 2-2, seal pipe 2-3, a few shape sealant 2-4, close
Sealing cap 2-5, gasket seal 2-2 are installed between flange 2-1 and concrete lining (section of jurisdiction) wall, the center gasket seal 2-2
It is machined with the through-hole being adapted with slip casting pipe outside diameter, is machined with the concentric bolt hole a of a circle on flange 2-1, center is machined with
Mounting hole, flange 2-1 are fixedly installed on the concrete lining (pipe for needing mortar depositing construction by the bolt being mounted in bolt hole a
Piece) on wall, seal pipe 2-3 is installed in mounting hole, the one end seal pipe 2-3 be fixedly connected with screw threads for fastening connector be equipped with it is close
One end of sealing cap 2-5, seal pipe 2-3 and seal cap 2-5 cooperation is machined with preformed groove c, and a few shape sealants are provided in preformed groove
2-4, a few shape sealant 2-4 can be arranged with single layer or multilayer setting.
A kind of grouting method of tunnel radial grouting device of the present invention, comprising the following steps:
S1, it builds a wall (shield duct piece) wall position in the explored concrete lining for needing to carry out at slip casting region in the presence of cavity
Boring and coring is carried out, coring depth is less than Laminate construction thickness, and bottom hole reserves the concrete cover of 3~5cm;
S2, mounting hole sealing unit 2: using expansion bolt in aperture mounting flange 2-1, substep install seal pipe 2-3,
A few type sealant 2-4, seal cap 2-5;
S3, Grouting Pipe is squeezed into using the propulsion of drilling machine merogenesis, utilizes the sharp conical shape of the first section front end Grouting Pipe 1-1, impact cutting
Except reserved concrete cover, first section Grouting Pipe 1-1 is squeezed into, subsequent Grouting Pipe merogenesis squeezes into installation, according to slip casting cavity position
It sets situation and is finally completed Grouting Pipe installation;
S4, seal cap 2-5 is tightened up, seals the gap between a few type sealant 2-4 and slip casting pipe outer wall;
S5, mounting ball valve 3, ball valve connect slip casting hose 4, and slip casting hose 4 connects grouting equipment;
S6, ball valve 3 is opened, carries out slip casting;Grouting serous fluid can choose single liquid cement slurry or cement-sodium silicate double liquid or
Other slurries, grouting pressure are determined by calculating with field test;
After the completion of S7, slip casting, ball valve 3 is closed, dismantles slip casting hose 4, is filled out using geologic radar detection check wall back cavity
Situation is filled, carries out repeating slip casting when necessary;
Ball valve 3 is removed after S8, slurries initial set;
Orifice sealing unit 2 is removed after S9, slurries final set, cuts off exposed steel pipe, carries out sealing treatment.
Claims (9)
1. a kind of tunnel radial grouting device, it is characterised in that: including sealing unit and slip casting unit, the sealing unit is solid
Surely it is set on concrete lining builds a wall, slip casting unit, which penetrates sealing unit and is set to concrete lining, builds a wall in the cavity of outside, described
Slip casting unit include sequentially connected first section Grouting Pipe, several middle part Grouting Pipes, tail end Grouting Pipe, tail end slip casting tube end is set
It is equipped with ball valve, ball valve is connected with slip casting hose, and tail end slip casting tube end exposes to concrete lining side within the walls.
2. a kind of tunnel radial grouting device according to claim 1, it is characterised in that: the sealing unit includes method
Blue and gasket seal, between gasket seal is set to flange and concrete lining is built a wall, be machined on flange the concentric bolt hole of a circle,
Center is machined with mounting hole, and seal pipe is provided in mounting hole, and seal pipe one end is provided with seal cap, seal pipe and sealing
One end of cap cooperation is provided with preformed groove, and a few shape sealants are provided in preformed groove.
3. a kind of tunnel radial grouting device according to claim 2, it is characterised in that: a few shape sealants can be with
Single layer setting or multilayer setting.
4. a kind of tunnel radial grouting device according to claim 1, it is characterised in that: before the first section Grouting Pipe
End is in hold shape level with both hands in cone, rear end.
5. a kind of tunnel radial grouting device according to claim 1, it is characterised in that: the middle part Grouting Pipe front end
It is provided with connector guide pipe bell end, connector guide pipe bell end is fixed with the connector guide pipe that middle part slip casting inside pipe wall is arranged in
End is linked together design, and middle part Grouting Pipe rear end is in hold shape level with both hands.
6. a kind of tunnel radial grouting device according to claim 1, it is characterised in that: the tail end Grouting Pipe front end
It is provided with connector guide pipe bell end, connector guide pipe bell end is fixed with the connector guide pipe that tail end slip casting inside pipe wall is arranged in
End is linked together design, is machined with the thread matched with ball valve on the inner wall of tail end Grouting Pipe rear end.
7. a kind of tunnel radial grouting device according to claim 1, it is characterised in that: the described first section Grouting Pipe, in
It is machined with injected hole in quincunx on portion's slip casting tube wall, the injected hole is through-hole.
8. a kind of tunnel radial grouting device according to claim 7, it is characterised in that: the injected hole is from outer wall
The convergent stepped hole of inward wall, injected hole is interior to be filled with hand painting type tail seal grease of shield.
9. a kind of grouting method of tunnel radial grouting device described in claim 1~8, it is characterised in that including following step
It is rapid:
S1, boring and coring is carried out at the explored concrete lining for needing to carry out at slip casting region in the presence of cavity position of building a wall, taken
Core depth is less than Laminate construction thickness, and bottom hole reserves the concrete cover of 3~5cm;
S2, mounting hole sealing unit: using expansion bolt in aperture mounting flange, substep install seal pipe, a few type sealants,
Seal cap;
S3, Grouting Pipe is squeezed into using the propulsion of drilling machine merogenesis, using the sharp conical shape of first section Grouting Pipe front end, impact is abolished reserved
Concrete cover squeezes into first section Grouting Pipe, and subsequent Grouting Pipe merogenesis squeezes into installation, finally complete according to slip casting cavity position situation
It is installed at Grouting Pipe;
S4, seal cap is tightened up, seals the gap between a few type sealants and slip casting pipe outer wall;
S5, mounting ball valve, ball valve connect slip casting hose, and slip casting hose connects grouting equipment;
S6, ball valve is opened, carries out slip casting;
After the completion of S7, slip casting, ball valve is closed, dismantles slip casting hose, filling situation in cavity is carried on the back using geologic radar detection check wall,
It carries out repeating slip casting when necessary;
Ball valve is removed after S8, slurries initial set;
Orifice sealing unit is removed after S9, slurries final set, cuts off exposed steel pipe, carries out sealing treatment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811356836.XA CN109184750B (en) | 2018-11-15 | 2018-11-15 | Tunnel radial grouting device and method |
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CN201811356836.XA CN109184750B (en) | 2018-11-15 | 2018-11-15 | Tunnel radial grouting device and method |
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CN109184750A true CN109184750A (en) | 2019-01-11 |
CN109184750B CN109184750B (en) | 2024-06-28 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110295597A (en) * | 2019-05-27 | 2019-10-01 | 山西临汾市政工程集团股份有限公司 | Close to buildings Soft Clay pattern foundation pit supporting structure steel sheet pile is pulled out and grouting strengthening method |
CN111058864A (en) * | 2019-11-29 | 2020-04-24 | 中铁九局集团第四工程有限公司 | Tunnel vault lining rear cavity high-pressure grouting auxiliary device |
CN111156032A (en) * | 2020-01-20 | 2020-05-15 | 杭州临安中民筑友智造科技有限公司 | Structure and method for reinforcing existing subway tunnel through inserting section steel into grouting pipe and grouting |
CN111305841A (en) * | 2020-02-20 | 2020-06-19 | 河南理工大学 | Coal seam slip casting filling equipment |
CN112031657A (en) * | 2020-08-28 | 2020-12-04 | 浙大城市学院 | Tunnel lining permeation destruction treatment device and construction method thereof |
CN112982372A (en) * | 2021-03-11 | 2021-06-18 | 中国建筑第八工程局有限公司 | Inner drilling pipe insertion pipe compaction grouting reinforcement method based on pipe gallery bottom plate cavity |
CN112982486A (en) * | 2021-03-11 | 2021-06-18 | 中国建筑第八工程局有限公司 | Be used for prosthetic interior drilling intubate densification slip casting reinforcing apparatus of piping lane bottom plate cavity |
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CN101761345A (en) * | 2010-01-12 | 2010-06-30 | 中国建筑西南勘察设计研究院有限公司 | Reinforcement device for tunnel top soil and construction method thereof |
CN203022770U (en) * | 2013-01-16 | 2013-06-26 | 中铁一局集团有限公司 | Grouting device for shield tunnel |
CN105298433A (en) * | 2015-09-21 | 2016-02-03 | 河南理工大学 | Hydraulic pressing, flushing and pumping integrated hole sealing device and method |
CN206681760U (en) * | 2017-04-28 | 2017-11-28 | 中铁十八局集团有限公司 | Deep hole grouting device after shield duct piece wall |
CN209083292U (en) * | 2018-11-15 | 2019-07-09 | 中铁二十一局集团轨道交通工程有限公司 | A kind of tunnel radial grouting device |
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CN101761345A (en) * | 2010-01-12 | 2010-06-30 | 中国建筑西南勘察设计研究院有限公司 | Reinforcement device for tunnel top soil and construction method thereof |
CN203022770U (en) * | 2013-01-16 | 2013-06-26 | 中铁一局集团有限公司 | Grouting device for shield tunnel |
CN105298433A (en) * | 2015-09-21 | 2016-02-03 | 河南理工大学 | Hydraulic pressing, flushing and pumping integrated hole sealing device and method |
CN206681760U (en) * | 2017-04-28 | 2017-11-28 | 中铁十八局集团有限公司 | Deep hole grouting device after shield duct piece wall |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110295597A (en) * | 2019-05-27 | 2019-10-01 | 山西临汾市政工程集团股份有限公司 | Close to buildings Soft Clay pattern foundation pit supporting structure steel sheet pile is pulled out and grouting strengthening method |
CN111058864A (en) * | 2019-11-29 | 2020-04-24 | 中铁九局集团第四工程有限公司 | Tunnel vault lining rear cavity high-pressure grouting auxiliary device |
CN111156032A (en) * | 2020-01-20 | 2020-05-15 | 杭州临安中民筑友智造科技有限公司 | Structure and method for reinforcing existing subway tunnel through inserting section steel into grouting pipe and grouting |
CN111156032B (en) * | 2020-01-20 | 2024-04-02 | 杭州临安中民筑友智造科技有限公司 | Grouting pipe inserted section steel grouting reinforcement existing subway tunnel structure and method |
CN111305841A (en) * | 2020-02-20 | 2020-06-19 | 河南理工大学 | Coal seam slip casting filling equipment |
CN112031657A (en) * | 2020-08-28 | 2020-12-04 | 浙大城市学院 | Tunnel lining permeation destruction treatment device and construction method thereof |
CN112031657B (en) * | 2020-08-28 | 2022-04-22 | 浙大城市学院 | Tunnel lining permeation destruction treatment device and construction method thereof |
CN112982372A (en) * | 2021-03-11 | 2021-06-18 | 中国建筑第八工程局有限公司 | Inner drilling pipe insertion pipe compaction grouting reinforcement method based on pipe gallery bottom plate cavity |
CN112982486A (en) * | 2021-03-11 | 2021-06-18 | 中国建筑第八工程局有限公司 | Be used for prosthetic interior drilling intubate densification slip casting reinforcing apparatus of piping lane bottom plate cavity |
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