CN104295305A - Process for achieving synchronous implementation of lining vault filling grouting and tunnel lining and equipment - Google Patents

Process for achieving synchronous implementation of lining vault filling grouting and tunnel lining and equipment Download PDF

Info

Publication number
CN104295305A
CN104295305A CN201410140396.XA CN201410140396A CN104295305A CN 104295305 A CN104295305 A CN 104295305A CN 201410140396 A CN201410140396 A CN 201410140396A CN 104295305 A CN104295305 A CN 104295305A
Authority
CN
China
Prior art keywords
lining
grouting pipe
tunnel
filling
grouting
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.)
Pending
Application number
CN201410140396.XA
Other languages
Chinese (zh)
Inventor
齐洪军
郭会民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tan Yongjie
Original Assignee
齐洪军
郭会民
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to CN201420062511 priority Critical
Priority to CN201420062511.1 priority
Application filed by 齐洪军, 郭会民 filed Critical 齐洪军
Priority to CN201410140396.XA priority patent/CN104295305A/en
Publication of CN104295305A publication Critical patent/CN104295305A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04Lining with building materials
    • E21D11/10Lining 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04Lining with building materials
    • E21D11/10Lining 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
    • E21D11/105Transport 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

Abstract

The invention provides a process for achieving synchronous implementation of lining vault filling grouting and tunnel lining and corresponding equipment. The process comprises the steps that firstly, a hollow grouting pipe is arranged at the position where lining vault filling grouting needs to be performed; afterwards, normal tunnel secondary lining concrete pouring construction is performed; next, a grouting pump is connected with the grouting pipe to perform lining vault filling grouting; finally, the grouting pipe is taken out. According to the process, the lining quality of a tunnel can be effectively improved, and the cost can be reduced substantially because the working procedure of lining vault filling grouting is avoided. Meanwhile, the invention provides the equipment for achieving synchronous implementation of lining vault filling grouting and tunnel lining.

Description

Realize the technology and equipment of lining cutting vault filling and injecting slurry and tunnel lining synchronization implementation
Technical field
The invention provides a kind of technique for tunnel construction construction and corresponding equipment, especially for the technology and equipment carrying out secondary lining in tunnel and carry out lining cutting vault filling and injecting slurry simultaneously.
Background technology
Tunnel build operations such as being generally divided into excavation, preliminary bracing, spray anchor, secondary lining, wherein the construction majority of secondary lining adopts tunnel lining trolley to carry out, the order of two lining construction concrete perfusions is from bottom to top, left-right balance, due to lining trolley and excavated country rock formed be an enclosure space, bottom inside concrete perfusion and both sides are by the working window on chassis, are finally the grouting mouths by being arranged on chassis top.When employing grouting mouth concrete perfusion, owing to cannot observe perfusion situation, perfusion is few, easily forms cavity at top and circumferential weld place, and perfusion is many, because concrete pump pressure is very large, is easy to again quick-fried slurry and even damages lining trolley.
The generation of cavitation also has an important reason to be exactly: although top concrete has been made during two linings, but after stopping of binding is built, space is filled up along with top concrete progressively flows to both sides, top is caused still to there will be cavity, this phenomenon pursues progress two lining constructors, when fast pouring or the closeer situation of steel mesh reinforcement, particularly outstanding.The reason of cavitation may be caused to also have: top canvas cloth sinks to both sides tensioning, top cannot be built full etc.
In order to address this problem, when general tunnel utilizes chassis to carry out secondary lining, lining cutting vault filling and injecting slurry hole can be reserved, after having served as a contrast a period of time two, carry out separately lining cutting vault filling and injecting slurry.But in practice, lining cutting vault filling and injecting slurry effect is unsatisfactory, one is that lining cutting vault filling and injecting slurry expends extra manpower and materials cost, if but lining cutting vault filling and injecting slurry processes bad, new disease can be formed.
Innovation part of the present invention is, a kind of technique realizing lining cutting vault filling and injecting slurry and tunnel lining synchronization implementation is provided, the method can carry out lining arch top filling and injecting slurry after secondary lining and concrete perfusion He before chassis form removal, the mould of tunnel double-lining note operation and lining cutting vault filling and injecting slurry operation have been gathered together, can effectively improve tunnel lining quality, and because avoid later independent lining cutting vault filling and injecting slurry operation, can be significantly cost-saving.The invention provides a kind of equipment that simultaneously can carry out lining cutting vault filling and injecting slurry in Tunnel Second Lining simultaneously.
Summary of the invention
The object of the invention is to, develop a kind of technique and the relevant device that realize lining cutting vault filling and injecting slurry and tunnel lining synchronization implementation, lining arch top filling and injecting slurry can be carried out after once grouting He before chassis form removal, the mould of tunnel double-lining note operation and lining cutting vault filling and injecting slurry operation have been gathered together, can guarantee that Tunnel Second Lining concrete once performs and just can reach full closely knit, reduce operation, reduce costs.
The present invention is achieved through the following technical solutions, a kind of technique realizing lining cutting vault filling and injecting slurry and tunnel lining synchronization implementation, and the method comprises the following steps:
(1) before the Tunnel Second Lining filling concrete construction of routine, may occur that Grouting Pipe is preset in the position in cavity, Grouting Pipe one end is needing to carry out in the space of lining cutting vault filling and injecting slurry, and one end extends out grouting pump of plugging in addition;
(2) conventional Tunnel Second Lining filling concrete construction is carried out;
(3) lining cutting vault filling and injecting slurry is implemented by grouting pump Grouting Pipe of plugging into after conventional Tunnel Second Lining filling concrete completes;
(4) Grouting Pipe is taken out.
Above-mentioned a kind of technique realizing lining cutting vault filling and injecting slurry and tunnel lining synchronization implementation, can also be, taking out Grouting Pipe in step (4) can be when step (3) plugs into Grouting Pipe enforcement lining cutting vault filling and injecting slurry by grouting pump, progressively exits from the space of Tunnel Second Lining concrete perfusion.
Above-mentioned a kind of technique realizing lining cutting vault filling and injecting slurry and tunnel lining synchronization implementation, can also be, step can arrange multiple Grouting Pipe in (1).
Above-mentioned a kind of technique realizing lining cutting vault filling and injecting slurry and tunnel lining synchronization implementation, can also be, the Grouting Pipe in step (1) is arranged perpendicular to the mode on ground.
Above-mentioned a kind of technique realizing lining cutting vault filling and injecting slurry and tunnel lining synchronization implementation, can also be, the Grouting Pipe in step (1) is arranged to be parallel to ground and with the consistent mode in direction, tunnel
Carry out an equipment for lining cutting vault filling and injecting slurry in Tunnel Second Lining, it is made up of Grouting Pipe and grouting pump simultaneously, and wherein Grouting Pipe is hollow.
Above-mentioned lining cutting vault filling and injecting slurry equipment, can also be, the internal diameter of Grouting Pipe is 2-15cm.
Above-mentioned lining cutting vault filling and injecting slurry equipment, can also be that it also comprises fixed support and telescopic system, wherein telescopic system be fixed on fixed support, and be connected with Grouting Pipe, telescopic system makes Grouting Pipe to stretch into or exits the space needing concrete perfusion.
Above-mentioned lining cutting vault filling and injecting slurry equipment, can also be that it also comprises a rotating mechanism, rotating mechanism be fixed in Grouting Pipe, makes Grouting Pipe can carry out slip casting at any angle by this mechanism.
Above-mentioned lining cutting vault filling and injecting slurry equipment can also be that fixed support can replace with lining trolley.A kind of technique and relevant device realizing lining cutting vault filling and injecting slurry and tunnel lining synchronization implementation of the present invention, perfusion can be observed whether full when lining cutting once grouting, and lining arch top filling and injecting slurry can be carried out after once grouting He before chassis form removal, can effectively improve tunnel lining quality, and because avoid lining cutting vault filling and injecting slurry operation, can be significantly cost-saving.
 
Accompanying drawing explanation
Fig. 1 is this apparatus embodiments 1 arrangement diagram;
Fig. 2 is this apparatus embodiments 2 arrangement diagram;
Fig. 3 is this apparatus embodiments 3 arrangement diagram;
Reference numeral: 1-Grouting Pipe; 2-grouting pump; 3-fixed support; 4-telescopic system; 5-rotating mechanism; 6-lining trolley; 11-tunnel wall; 12-layer of concrete.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further detailed:
When constructing tunnels such as railway tunnel, highway tunnel, subway tunnel, water conservancy tunnels, the grouting mouth concrete perfusion of general employing lining trolley, but owing to cannot observe perfusion situation, perfusion is few, easily form cavity at top and circumferential weld place, and perfusion is many, because concrete pump pressure is very large, is easy to again quick-fried slurry and even damages lining trolley.Produce cavity also has an important reason to be exactly simultaneously: although top concrete has been made during two linings, but after stopping of binding is built, space is filled up along with top concrete progressively flows to both sides, top is caused still to there will be cavity, this phenomenon pursues progress two lining constructors, when fast pouring or the closeer situation of steel mesh reinforcement, particularly outstanding.Therefore in traditional sense, constructing tunnel first carries out tunnel double-lining construction and first concrete perfusion, reserves injected hole when constructing, and waits concrete after two linings constructions to solidify completely and carry out separately lining cutting vault filling and injecting slurry afterwards.But in practice, lining cutting vault filling and injecting slurry effect is unsatisfactory, one is that lining cutting vault filling and injecting slurry expends extra manpower and materials cost, if two is that lining cutting vault filling and injecting slurry processes bad, can form new disease.
 
The present invention is in constructing tunnel process, and after having built at lining trolley the mould needing concrete perfusion, implement, the method comprises the following steps:
(1) before the Tunnel Second Lining filling concrete construction of routine, may occur that Grouting Pipe is preset in the position in cavity, Grouting Pipe one end is needing to carry out in the space of lining cutting vault filling and injecting slurry, and one end extends out grouting pump of plugging in addition;
(2) conventional Tunnel Second Lining filling concrete construction is carried out;
(3) lining cutting vault filling and injecting slurry is implemented by grouting pump Grouting Pipe of plugging into after conventional Tunnel Second Lining filling concrete completes;
(4) Grouting Pipe is taken out.
The present invention first arranged the Grouting Pipe of hollow before the secondary lining and concrete perfusion of constructing tunnel, after concrete perfusion completes and fully vibrates, perfusion filling concrete grout was implemented by grouting pump Grouting Pipe of plugging into before its initial set, it is made to construct synchronous with tunnel double-lining like this, the cavity after two backings can be filled in time, optimize the stress condition of two lining rear tunnel entirety, save construction cost.
Key of the present invention is the time of filling concrete grout, generally poured into before secondary lining concrete initial set, that can try one's best like this avoids top concrete progressively to flow to both sides filling up space, top is caused still to there will be cavity, simultaneously because the concrete poured into before does not solidify completely, the concrete passing behind Grouting Pipe perfusion closes together with being set in so better can be carved with the concrete poured into before, thus it is overall to form a pouring, better can improve pouring quality.The time of concrete concrete setting will according to different situations, and the such as label of cement, concrete proportioning and different environment are tested.It should be noted that, it is before secondary lining concrete perfusion that the present invention arranges Grouting Pipe, when can certainly be changed into secondary lining concrete perfusion the time arranging Grouting Pipe or before having filled with the standby grouting pump filling concrete grout of plugging into of concrete quasi, this order itself does not affect the present invention.
Grouting Pipe is taken out in step of the present invention (4), can be after filling concrete grout, disposable taking-up, also can be when step (3) plugs into Grouting Pipe enforcement filling concrete grout by grouting pump, the concrete of filling on one side, progressively exits Grouting Pipe from the space of concrete perfusion.
The present invention simultaneously can arrange multiple Grouting Pipe according to condition of construction, and the position of Grouting Pipe can be arranged according to different situations simultaneously, no matter is arranged on dome portions or two sides in tunnel; Be no matter arrange with parallel to the ground or vertical, but what will ensure is exactly that Grouting Pipe one end should be arranged in the space needing secondary lining concrete perfusion, and other one end is arranged on outside this space, so that Grouting Pipe filling concrete grout of plugging into.But as normal conditions and Construction practices, due to the gravity relation of concrete self, be not easy to occur cavity below the half of tunnel vertical height, what the most easily occur cavity is the top in tunnel, therefore usually its one end in the space needing concrete perfusion of Grouting Pipe should be arranged on the over half of the vertical height in tunnel, and is often arranged on the position near tunnel top.At this, two kinds of set-up modes are described, a kind of is mode Grouting Pipe being arranged perpendicular to ground, one end vault near tunnel of Grouting Pipe in the space needing concrete perfusion; Another Grouting Pipe is arranged to be parallel to ground and with the consistent mode in direction, tunnel.
Highlight below as the special equipment of present invention process.
In enforcement 1: as shown in Figure 1, a kind of equipment simultaneously carrying out lining cutting vault filling and injecting slurry in Tunnel Second Lining, it is made up of Grouting Pipe 1 and grouting pump 2, wherein Grouting Pipe is hollow, Grouting Pipe is connected with grouting pump, and concrete can be injected into the place of specifying by grouting pump by the Grouting Pipe of hollow.The size of the internal diameter of Grouting Pipe can configure according to different situations, and generally its internal diameter size is 2cm to 8cm.
The constructing tunnels such as practical application of the present invention and railway tunnel, highway tunnel, subway tunnel, water conservancy tunnel, tunnel wall 11 needs to carry out Second Lining Construction, namely concrete perfusion is needed, after having built at lining trolley the mould needing to carry out tunnel lining concrete perfusion, needing the place of secondary lining the Grouting Pipe head end in this equipment is arranged on and prepares or just carried out in secondary lining layer of concrete 12, certain Grouting Pipe head end is preferably disposed on the place easily occurring cavity, namely needs to carry out in the space of lining cutting vault filling and injecting slurry; The Grouting Pipe tail end be connected with grouting pump extends the space needing concrete perfusion.
Embodiment 2: as shown in Figure 2, as the improvement of the said equipment, it also comprises a fixed support and telescopic system, and wherein telescopic system is fixed on fixed support, and be connected with Grouting Pipe, telescopic system makes Grouting Pipe to stretch into or exits the space needing concrete perfusion.
Telescopic system is a kind of common system, and its constituted mode can be a variety of, regardless of which kind of mode, Grouting Pipe can be stretched into as long as can reach or exit the space needing concrete perfusion.In this simple declaration two kinds of modes, a kind of mode is that telescopic system has internal diameter hollow tube slightly larger than support bracket fastened external diameter, hollow bush is on fixed support, the one threaded hole of tool is set in hollow tube bottom, from hole, penetrate screw thread and tighten, can be fixed on fixed support, by unscrewing and mobile hollow tube position, different positions can be fixed in, thus reach the object that Grouting Pipe stretched into or exited the space needing concrete perfusion.The second way is that telescopic system is arranged to hydraulic structure, can adjust stretching into of Grouting Pipe or exit by hydraulic pressure.
This equipment can also arrange a rotating mechanism 5 in addition, and rotating mechanism is fixed in Grouting Pipe, and Grouting Pipe can be made can to rotate at any angle by urging rotating mechanism.Certainly other the method that Grouting Pipe can be made to rotate is also in this patent protection domain.
Embodiment 3: as shown in Figure 3, the fixed support 3 in the present invention can replace with lining trolley 6, namely above-mentioned said special equipment can be incorporated on common lining trolley, thus reaches more convenient, more effective and utilize existing resource.
Should be understood that above embodiment is only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.

Claims (10)

1. realize a construction technology for lining cutting vault filling and injecting slurry and tunnel lining synchronization implementation, comprise the following steps:
(1) before the Tunnel Second Lining filling concrete construction of routine, may occur that Grouting Pipe is preset in the position in cavity, Grouting Pipe one end is needing to carry out in the space of lining cutting vault filling and injecting slurry, and one end extends out grouting pump of plugging in addition;
(2) conventional Tunnel Second Lining filling concrete construction is carried out;
(3) lining cutting vault filling and injecting slurry is implemented by grouting pump Grouting Pipe of plugging into after conventional Tunnel Second Lining filling concrete completes;
(4) Grouting Pipe is taken out.
2. a kind of technique realizing lining cutting vault filling and injecting slurry and tunnel lining synchronization implementation according to claims 1, it is characterized in that, taking out Grouting Pipe in step (4) can be when step (3) plugs into Grouting Pipe enforcement lining cutting vault filling and injecting slurry by grouting pump, progressively exits from the space of Tunnel Second Lining concrete perfusion.
3. a kind of technique realizing lining cutting vault filling and injecting slurry and tunnel lining synchronization implementation according to claims 1, is characterized in that, step can arrange multiple Grouting Pipe in (1).
4. a kind of technique realizing lining cutting vault filling and injecting slurry and tunnel lining synchronization implementation according to claims 1, is characterized in that, the Grouting Pipe in step (1) is arranged perpendicular to the mode on ground.
5. a kind of technique realizing lining cutting vault filling and injecting slurry and tunnel lining synchronization implementation according to claims 1, is characterized in that, the Grouting Pipe in step (1) is arranged to be parallel to ground and with the consistent mode in direction, tunnel.
6. for a lining cutting vault filling and injecting slurry equipment for claim 1 technique, it is characterized in that, it is made up of Grouting Pipe and grouting pump, and wherein Grouting Pipe is hollow.
7. lining cutting vault filling and injecting slurry equipment according to claim 6, is characterized in that, the internal diameter of Grouting Pipe is 2-15cm.
8. lining cutting vault filling and injecting slurry equipment according to claim 6, it is characterized in that, it also comprises fixed support and telescopic system, and wherein telescopic system is fixed on fixed support, and be connected with Grouting Pipe, telescopic system makes Grouting Pipe to stretch into or exits the space needing concrete perfusion.
9. the lining cutting vault filling and injecting slurry equipment according to claims 6, it is characterized in that, it also comprises a rotating mechanism, and rotating mechanism is fixed in Grouting Pipe, makes Grouting Pipe can carry out slip casting at any angle by this mechanism.
10. lining cutting vault filling and injecting slurry equipment according to claim 6, it is characterized in that, fixed support can replace with lining trolley.
CN201410140396.XA 2014-02-12 2014-04-09 Process for achieving synchronous implementation of lining vault filling grouting and tunnel lining and equipment Pending CN104295305A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201420062511 2014-02-12
CN201420062511.1 2014-02-12
CN201410140396.XA CN104295305A (en) 2014-02-12 2014-04-09 Process for achieving synchronous implementation of lining vault filling grouting and tunnel lining and equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410140396.XA CN104295305A (en) 2014-02-12 2014-04-09 Process for achieving synchronous implementation of lining vault filling grouting and tunnel lining and equipment

Publications (1)

Publication Number Publication Date
CN104295305A true CN104295305A (en) 2015-01-21

Family

ID=52315221

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410140396.XA Pending CN104295305A (en) 2014-02-12 2014-04-09 Process for achieving synchronous implementation of lining vault filling grouting and tunnel lining and equipment

Country Status (1)

Country Link
CN (1) CN104295305A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104895586A (en) * 2015-05-27 2015-09-09 广西交通科学研究院 Anti-disengaging tunnel secondary lining concrete pouring constructing method and formwork system
CN104895585A (en) * 2015-04-30 2015-09-09 中铁二十一局集团第四工程有限公司 Construction method of reserved grouting pipe of tunnel vault
CN105673049A (en) * 2016-03-17 2016-06-15 福州大学 Device and method for model test of horizontal tunnel by simulating lining wall back cavity
CN105822325A (en) * 2016-04-18 2016-08-03 浙江省交通工程建设集团有限公司 Tunnel secondary lining arch crown concrete filling machine and construction method thereof
CN106522992A (en) * 2016-11-24 2017-03-22 中铁隧道集团有限公司 Concrete lining formwork trolley insertion-type concrete grouting construction method
CN108442938A (en) * 2018-02-01 2018-08-24 中铁十二局集团有限公司 A kind of two lining band of full hydraulic flat car is molded into pulp grinder structure and its grouting process
CN110847933A (en) * 2019-10-08 2020-02-28 中铁隧道局集团建设有限公司 Method for preventing and controlling tunnel vault from being hollow

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1912258A (en) * 2006-08-07 2007-02-14 上海市隧道工程轨道交通设计研究院 Tunnel processing system suitable for large stratigraphic uniform sedimentation or dislocation
JP2008057210A (en) * 2006-08-31 2008-03-13 Okumura Corp Method and structure for placing tunnel lining concrete
CN202047827U (en) * 2011-04-22 2011-11-23 乔国华 Light soil filling system in tunnel disease management
CN102434175A (en) * 2012-01-12 2012-05-02 中国市政工程西北设计研究院有限公司 Tunnel lining self waterproof drainage system
CN102678083A (en) * 2012-04-27 2012-09-19 淮南矿业(集团)有限责任公司 Grouting method and grouting device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1912258A (en) * 2006-08-07 2007-02-14 上海市隧道工程轨道交通设计研究院 Tunnel processing system suitable for large stratigraphic uniform sedimentation or dislocation
JP2008057210A (en) * 2006-08-31 2008-03-13 Okumura Corp Method and structure for placing tunnel lining concrete
CN202047827U (en) * 2011-04-22 2011-11-23 乔国华 Light soil filling system in tunnel disease management
CN102434175A (en) * 2012-01-12 2012-05-02 中国市政工程西北设计研究院有限公司 Tunnel lining self waterproof drainage system
CN102678083A (en) * 2012-04-27 2012-09-19 淮南矿业(集团)有限责任公司 Grouting method and grouting device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
王清江等: "隧道衬砌背后注浆防水及裂缝渗水整治技术研究", 《国防交通工程与技术》 *
钟享华: "隧道二次衬砌拱顶混凝土灌筑技术分析与对策", 《铁道建筑技术》 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104895585A (en) * 2015-04-30 2015-09-09 中铁二十一局集团第四工程有限公司 Construction method of reserved grouting pipe of tunnel vault
CN104895586A (en) * 2015-05-27 2015-09-09 广西交通科学研究院 Anti-disengaging tunnel secondary lining concrete pouring constructing method and formwork system
CN105673049A (en) * 2016-03-17 2016-06-15 福州大学 Device and method for model test of horizontal tunnel by simulating lining wall back cavity
CN105673049B (en) * 2016-03-17 2017-09-15 福州大学 Empty horizontal tunnel model test device and method after a kind of simulation lining wall
CN105822325A (en) * 2016-04-18 2016-08-03 浙江省交通工程建设集团有限公司 Tunnel secondary lining arch crown concrete filling machine and construction method thereof
CN105822325B (en) * 2016-04-18 2018-02-09 浙江交工集团股份有限公司 Tunnel double-lining vault filling concrete machine and construction method
CN106522992A (en) * 2016-11-24 2017-03-22 中铁隧道集团有限公司 Concrete lining formwork trolley insertion-type concrete grouting construction method
CN108442938A (en) * 2018-02-01 2018-08-24 中铁十二局集团有限公司 A kind of two lining band of full hydraulic flat car is molded into pulp grinder structure and its grouting process
CN110847933A (en) * 2019-10-08 2020-02-28 中铁隧道局集团建设有限公司 Method for preventing and controlling tunnel vault from being hollow

Similar Documents

Publication Publication Date Title
CN104295305A (en) Process for achieving synchronous implementation of lining vault filling grouting and tunnel lining and equipment
CN204386614U (en) Realize the lining trolley of lining cutting vault filling and injecting slurry and tunnel lining synchronization implementation
JP6278418B2 (en) Lock anchor bolt
CN204186397U (en) A kind of equipment realizing lining cutting vault filling and injecting slurry and tunnel lining synchronization implementation
CN107989620B (en) Construction method of three-hole small-spacing tunnel
CN203742612U (en) Rapid construction supporting system for deep coal mine roadway with weak and broken surrounding rock
CN111648785A (en) Shield tunnel entrance to a cave reinforced structure
CN207727593U (en) A kind of slope reinforcement structure
CN106089248B (en) The construction method of tunnel inverted arch drain hole
CN207229123U (en) A kind of grouting equipment for constructing tunnel
CN203960860U (en) A kind of detachable anchoring piece
CN210032718U (en) Anchor rod supporting device for connecting existing masonry wall and new masonry structure
CN210483732U (en) Shield constructs to receive with pre-buried steel ring slip casting sealing device
CN209875198U (en) Inverted expansion type high-strength tensile anchor rod for tunnel support
CN108678767B (en) Excavation and yielding-rigid combined supporting construction method for extruded large-deformation surrounding rock tunnel
CN204202890U (en) The anchor rod anchored process simulation experimental provision of Soft Rock Drifts At Coal
CN204716255U (en) The concrete pouring construction template system of anti-Tunnel Second Lining of coming to nothing
CN103114723B (en) Application method of fixing formwork device
CN203488190U (en) Mining grouting conduit
CN214145444U (en) Positioning grouting device
CN108978620B (en) Shield constructs peripheral building foundation stabilization's of end well head structure
CN102031978A (en) Internal drawing tunnel/hole reinforced concrete support-free upright die
CN212225236U (en) Shield tunnel entrance to a cave reinforced structure
CN103362067B (en) Construction method of top bridge stand-by basil concrete pouring
CN217028968U (en) Detachable grouting anchor rod

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20160921

Address after: 610000, No. two, section 111, North Ring Road, Jinniu District, Sichuan, Chengdu, No. 34, building 3, No. 5, building 10, No. 40

Applicant after: Qi Hongjun

Applicant after: Tan Yongjie

Address before: 610000, No. two, section 111, North Ring Road, Jinniu District, Sichuan, Chengdu, No. 34, building 3, No. 5, building 10, No. 40

Applicant before: Qi Hongjun

Applicant before: Guo Huimin

RJ01 Rejection of invention patent application after publication

Application publication date: 20150121

RJ01 Rejection of invention patent application after publication