CN104632247B - The tunnel support structure part and its installation method of a kind of carbon fibre composite - Google Patents
The tunnel support structure part and its installation method of a kind of carbon fibre composite Download PDFInfo
- Publication number
- CN104632247B CN104632247B CN201510000704.3A CN201510000704A CN104632247B CN 104632247 B CN104632247 B CN 104632247B CN 201510000704 A CN201510000704 A CN 201510000704A CN 104632247 B CN104632247 B CN 104632247B
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- tunnel
- duct piece
- tunnel duct
- carbon fibre
- expansion bolt
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- 239000002131 composite material Substances 0.000 title claims abstract description 45
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 33
- 239000000835 fiber Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000009434 installation Methods 0.000 title claims abstract description 16
- 238000005520 cutting process Methods 0.000 claims abstract description 24
- 238000010276 construction Methods 0.000 claims abstract description 21
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 9
- 239000004917 carbon fiber Substances 0.000 claims abstract description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000853 adhesive Substances 0.000 claims abstract description 8
- 230000001070 adhesive effect Effects 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims abstract description 8
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims description 2
- 230000008719 thickening Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 13
- 239000010959 steel Substances 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000009417 prefabrication Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011157 advanced composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003192 poly(bis maleimide) Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural 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
The invention discloses the tunnel support structure part and its installation method of a kind of carbon fibre composite, the shape of the tunnel duct piece of the structural member fit standard is close to the inner surface setting of tunnel duct piece, can cover the seam of tunnel duct piece, and it is included：Top lining cutting bar；Top both sides lining cutting bar, the middle part both sides lining cutting bar of the inner surface of tunnel duct piece are arranged in, the bottom of the middle part both sides lining cutting bar is connected with the railway roadbed of tunnel duct piece.Structural member of the invention is supported for urban track traffic tunnel maintenance, in tunnel duct piece inner surface using adhesive glue and pre-embedded bolt expansion pipe fixation structure, using the high intensity of the carbon fiber composite material of prefabrication, the supporting construction of high rigidity, tunnel duct piece is no longer deformed along connecting portion, maintain the safe operation gauge of railcar.The tunnel pipe sheet built reinforced structure that the present invention is provided is economical and practical, can solve the problem that corrosion and the not enough technical problem of intensity of tunnel inner support steel construction, occupies little space, and construction is quick.
Description
Technical field
The present invention relates to the tunnel support structure part and its installation method of a kind of carbon fibre composite, belong to Building technology
New material application in field, while also class belongs to advanced composite material (ACM) technical field.
Background technology
Shield tunnel structure forms tunnel knot with precast assembly section of jurisdiction through bolt connection completely based on single shell lining
Structure main body, this structure type can be described as many hinge circular ring structures under stratigraphic restraint.Find to deposit by long-term subway circulation
In the situation of tunnel deformation, the outside ground skyscraper particularly in subway tunnel increases, in the tunnel safety in crosspoint
State, causes very big concern of the people to safety.This interaction for being mainly at crossover node position can be while influence both
There is the stress deformation of tunnel and newly-built underground structure, tunnel outer Geotechnical Environment occurs constraints change because of new construction,
Its deformation runed under load or external action in the later stage is presented uneven feature because local joint rigidity strengthens.Above-mentioned node
The sensitive spot of shield tunnel safe operation will be turned into, it shows as tunnel safety in the construction of new construction and later stage operation
The weak link of guarantee.However, " skylight " time that the tunnel to having deformed is safeguarded（The metro operation time is daily solid
Fixed, such as early 5:30 to evening 11:30, track inspection and the time safeguarded then are reserved at night, " skylight " time is referred to as in the industry）
It is limited, as a consequence it is hardly possible to launch larger construction operation.
Patent application CA1179515A1, US4465405 of early stage is disclosed and is used in combination using shaped steel and concrete（It is not multiple
Condensation material）Method for protecting support.Although safer tunnel support structure can be formed, the maintenance supporting construction implemented takes
Space is larger, can influence the safe operation gauge of train.
Chinese patent CN2921279Y proposes to be cast again lining cutting layer using the structure in tunnel, and such construction method exists
It is infeasible in the tunnel for maintaining train operation, also is difficult to or even cannot fulfil assignment even with " skylight " time.
United States Patent (USP) US20120009024A1 proposes to be bent into the supporting construction of mutual fastening using steel plate, maintains tunnel
Not redeformation.This method can form more firm support of tunnel structure, but steel plate corrosion-resistant problem, and construction period
Problem more long cannot be solved in urban subway tunnel.
Also Chinese patent CN102536260A proposes to utilize steel square tube section pre-formed in factory, at tunnel scene
Interior assembling, filling strong concrete increases rigidity in it.Problem is how to be fitted the built tunnel piping structure for having deformed,
Whether the support strength of welded square tube meets requirement, and whether the also composite layer outside welded square tube can participate in carrying.
If the size of welded square tube is too big, train operating safety gauge will be influenceed, can also influence cable and the fire-fighting laid
The space of pipeline.Key is that the construction time of this method is long, it is impossible to improve operating efficiency to meet " skylight " time.
Chinese patent CN103061780A is proposed to be bonded in tunnel duct piece using aramid fabric, and welding is recycled after cured
The steel of shaping are used as branch sheath.The method can meet safe train operation gauge and require on taking up room, but steel
The problems such as anti-corrosion, engineering time more long or Shortcomings.
Chinese patent CN103775106A proposes the supporting construction for erecting inner liner again using armored concrete, it is clear that
Also requirement of the urban track traffic tunnel to safe train operation gauge cannot be adapted to, the difficulty of construction, this side is also add
Method is constructed in maintenance operation tunnel and is not allowed.
It is variable for single shell lining tunnel in sensitive nodes as the safe handling requirement in engineering project life cycle management
The weakness of shape, needs one kind badly and meets high intensity, big rigidity, and rapid construction takes into account the reinforcement means of durability and security against fire, right
Post-reinforcing reclamation activities is strengthened or deformed to former liner structure in advance.The structure can be short in narrow space, permission consolidation time
Under etc. harsh conditions, the rapid reinforcement in tunnel is realized, and greatly improve tunnel integral rigidity and bearing capacity, occupied little space, no
Influence the safe operation gauge of train.
The content of the invention
For the technical deficiency for existing, it is an object of the invention to provide a kind of carbon fiber composite structure part as change
The support of shape tunnel pipe sheet built, meet high intensity and rigidity, rapid construction takes into account durability and is reinforced with the maintenance of security against fire
Method.
To reach above-mentioned purpose, the invention provides a kind of tunnel support structure part of carbon fibre composite, the structure
The shape of the tunnel duct piece of part fit standard, is close to the inner surface setting of tunnel duct piece, can cover the seam of tunnel duct piece, should
Structural member is included：
Top lining cutting bar；
It is arranged in the top both sides lining cutting bar of the inner surface top both sides of tunnel duct piece；
It is arranged in the middle part both sides lining cutting bar of the inner surface middle part both sides of tunnel duct piece, its bottom and tunnel duct piece
Railway roadbed is connected.
The tunnel support structure part of above-mentioned carbon fibre composite, wherein, the thickness of described structural member is 30-
60mm。
The tunnel support structure part of above-mentioned carbon fibre composite, wherein, between described structural member and tunnel duct piece
By being coated with, high viscosity adhesive glue fills up the out-of-flatness of tunnel duct piece and to increase carbon fibre composite strong with concrete binding
Degree, the shear stress of the adhesive glue reaches 20-30N/mm2, thermal linear expansion coefficient is less than 30 × 10-6K。
The tunnel support structure part of above-mentioned carbon fibre composite, wherein, described structural member is in built tunnel piping
The position of seam, forms the local shape for thickening, and be fixed with expansion bolt on seam both sides.
The tunnel support structure part of above-mentioned carbon fibre composite, wherein, described structural member also includes expansion bolt,
For strengthening being fixedly connected between tunnel duct piece and structural member.
The tunnel support structure part of above-mentioned carbon fibre composite, wherein, described structural member also includes expansion bolt
Steel orifice plate, mounting hole is provided with the expansion bolt steel orifice plate, and the mounting hole is corresponding with the hole on tunnel duct piece, expansion bolt
It is connected with the hole on tunnel duct piece through the mounting hole on the expansion bolt steel orifice plate.
The tunnel support structure part of above-mentioned carbon fibre composite, wherein, also it is embedded with described tunnel duct piece swollen
Swollen bolt tube；It is described it is pre-buried refer to, in the drilling of section of jurisdiction inner surface, after being then filled into epoxy resin, expansion bolt pipe to be installed.
Present invention also offers a kind of installation method of the tunnel support structure part according to above-mentioned carbon fibre composite,
The method is：The interim cable and pipeline removed in tunnel, and the escape platform of cut-off is processed, reserve installing space；In deformation
Tunnel duct piece inner surface precalculated position drills, and is filled into pre-buried expansion bolt after epoxy resin, after epoxy resin is fully cured, clearly
Tunnel duct piece inner surface is washed, high viscosity adhesive glue is applied；Then the prefabricated carbon fiber composite of tunnel duct piece standard shape will be fitted
Material structural member is bonded on the position of predetermined reinforcing supporting and space of tunnel duct piece inner surface；Then all tunnel inner cables are recovered
With the installation site of pipeline, just can be formed meet support strength and rigidity after the curing be complete, maintain safe train operation gauge
Tunnel-liner supporting construction.
Above-mentioned installation method, wherein, described structural member also includes expansion bolt and expansion bolt orifice plate, swollen by this
Being fixedly connected between swollen bolt and expansion bolt orifice plate reinforcement structure part and section of jurisdiction.
Expansion bolt orifice plate is embedded with the two-end structure of described carbon fiber composite structure part（Here pre-buried be
Metallic plate is nuzzled in carbon fiber composite structure part manufacturing process in composite, it appears that be metal parts, but bury
It is in the composite the supporter fastened as bolt）, using the combination technology guarantee carbon of carbon fibre composite and steel
Fiber composite structure part can be in the intensity requirement under expansion bolt is fixed state.
When installing and using of structural member of the invention, the carbon fiber composite material being prefabricated in the factory, the table in tunnel duct piece
Face expands pipe fixation structure using adhesive glue and pre-embedded bolt, using the high intensity and the support knot of rigidity of carbon fiber composite material
Structure, makes tunnel top wedge shape section of jurisdiction, top both sides section of jurisdiction, middle part both sides section of jurisdiction, and bottom railway roadbed section of jurisdiction is no longer along connecting portion
Position deformation, maintains no longer to continue due to the deformation occurred when tunnel outer load is uneven, to maintain the safety fortune of railcar
Row gauge.
The tunnel support structure part of the carbon fibre composite that the present invention is provided, simple structure, for urban track traffic
Tunnel maintenance is supported, and is occupied little space, and application method is easy, and construction can be completed within very short " skylight " time；Support is strong
Degree is good with rigidity, relatively low relative to steel structure support method cost, can safely maintain safe train operation gauge.
Brief description of the drawings
Fig. 1 is that subway tunnel vehicle safety operation gauge is illustrated.
Fig. 2 is that deformation of the subway tunnel section of jurisdiction under outside uneven load is illustrated.
Fig. 3 is the floor map of carbon fibre composite lining reinforcement bar 4 of the invention.
Fig. 4 is a kind of installation of the top lining cutting bar 401 of the tunnel support structure part of carbon fibre composite of the invention
Schematic diagram.
Fig. 5 is a kind of top both sides lining cutting bar 402 of the tunnel support structure part of carbon fibre composite of the invention
Scheme of installation.
Fig. 6 is a kind of middle part both sides lining cutting bar 403 of the tunnel support structure part of carbon fibre composite of the invention
Scheme of installation.
Fig. 7 a are tunnel support structure part and the tunnel duct piece installation of a kind of carbon fibre composite of the invention
Stereogram.
Fig. 7 b are the sectional view along the A-A ' lines of Fig. 7 a.
Specific embodiment
Below in conjunction with accompanying drawing, this is described further to the implementation method invented.
As shown in figure 1, subway tunnel vehicle safety operation gauge 3 is not allowed to invade, power supply is also equipped with tunnel
Contact net system 301, feed cable 302, fire extinguisher canvas hose 303, the grade facility of escape platform 304.These facilities（Contact net for power supplying system
System 301, feed cable 302, fire extinguisher canvas hose 303）Should temporarily be removed before tunnel maintenance work, reserve carbon fiber composite material lining
Build reinforcing strip 4（See Fig. 7 a）Installing space.The constructing tunnel measure routinely of escape platform 304 for separating is made accordingly
Treatment.
Tunnel duct piece 1 includes top wedge shape section of jurisdiction 101, top both sides section of jurisdiction 102, middle part both sides section of jurisdiction 103, bottom railway roadbed
Section of jurisdiction 104, railway roadbed 105, as depicted in figs. 1 and 2.The tunnel duct piece 1 caused by exterior earth load change deforms, whether high
Layer building or other undergrounds are set to be built, and does not interfere with the own form of tunnel duct piece 1, i.e.,：Top wedge shape section of jurisdiction 101, on
Portion both sides section of jurisdiction 102, middle part both sides section of jurisdiction 103, bottom railway roadbed section of jurisdiction 104, the grade of railway roadbed 105 still maintains original shape.
Deformation occurs, at the position of tunnel duct piece connection, to cause the shape distortion of tunnel duct piece deformation curve 2.Excessive deformation can influence
The gauge of safe train operation, causes a serious accident.Therefore, the object that tunnel-liner is reinforced is that these positions change
Tunnel duct piece 1.
According to the simulation result of tunnel duct piece support bearing, it may be determined that implement liner supporting with the arrangement of such as Fig. 3, per ring
Four carbon fibre composite lining reinforcement bars 4 of tunnel duct piece medial support（As shown in Figure 7b）, will not so cover section of jurisdiction company
Connect（Section of jurisdiction connection refers to the connection of the circumferencial direction between section of jurisdiction and section of jurisdiction）Bolt hole 106, section of jurisdiction is longitudinally connected（Section of jurisdiction longitudinal direction
Connection is the connection in tunnel longitudinal direction between an endless tube piece and another endless tube piece）Bolt hole 107, is that following maintenance reserves bar
Part.Top lining cutting bar 401, top both sides lining cutting bar 402, middle part both sides lining cutting bar 403 is arranged in the interior table of tunnel duct piece 1
On face, segment joint is covered.Through special upset, its bottom supports and fixes middle part both sides lining cutting bar 403 with railway roadbed 105.
As shown in figure 4, the shape localization of top lining cutting bar 401 is relevant with segment joint, suitably thickeied in seam crossing, and in advance
It is embedded with expansion bolt orifice plate 404（Preferably steel plate）, when top lining cutting bar 401 is fixed on the inner surface of section of jurisdiction 1 by expansion bolt 405
When upper, the strength and stiffness of requirement were ensure that.
Equally, for top both sides lining cutting bar 402 installation is as shown in figure 5, the installation of middle part both sides lining cutting bar 403 is as schemed
Shown in 6, above-mentioned identical mode is taken.It should be noted that improvement should be used at the link position of carbon fibre composite lining cutting bar
Type bismaleimide resin is just curable through 120 DEG C of drying of hair dryer as binding agent, forms integrated support structure.Structural member is pacified
The stereogram of the tunnel duct piece for installing is as shown in Figure 7a.
The carbon fibre composite lining cutting bar 4 of such integrated support maintains rigidity and strong under the uneven load of section of jurisdiction
Degree, limits the further deformation of section of jurisdiction, serves the effect of support of tunnel maintenance.This be a kind of relatively inexpensive, easy construction,
Meet the construction method of tunnel maintenance intensity and rigidity requirement, embody innovative point of the invention.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for of the invention
Various modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (9)
1. a kind of tunnel support structure part of carbon fibre composite, it is characterised in that the tunneltron of the structural member fit standard
Piece（1）Shape, be close to tunnel duct piece（1）Inner surface setting, tunnel duct piece can be covered（1）Seam, the structural member bag
Contain：
Top lining cutting bar（401）；
It is arranged in tunnel duct piece（1）Inner surface top both sides top both sides lining cutting bar（402）；
It is arranged in tunnel duct piece（1）Inner surface middle part both sides middle part both sides lining cutting bar（403）, its bottom and tunneltron
Piece（1）Railway roadbed（105）Connection；And
Expansion bolt（405）, for strengthening being fixedly connected between tunnel duct piece and structural member.
2. the tunnel support structure part of carbon fibre composite as claimed in claim 1, it is characterised in that described structural member
Thickness be 30-60mm.
3. the tunnel support structure part of carbon fibre composite as claimed in claim 1, it is characterised in that described structural member
Fill up the out-of-flatness of tunnel duct piece and carbon fibre composite can be increased by being coated with high viscosity adhesive glue between tunnel duct piece
With Concrete Bond Strength, the shear stress of the adhesive glue reaches 20-30N/mm2, thermal linear expansion coefficient is less than 30 × 10-6K。
4. the tunnel support structure part of carbon fibre composite as claimed in claim 1, it is characterised in that described structural member
In tunnel duct piece（1）The position of assembled seam, forms the local shape for thickening, and be fixed with expansion bolt on seam both sides.
5. the tunnel support structure part of carbon fibre composite as claimed in claim 1, it is characterised in that described structural member
Also include expansion bolt orifice plate（404）, the expansion bolt orifice plate（404）On be provided with mounting hole, the mounting hole and tunnel duct piece
（1）On hole it is corresponding, expansion bolt（405）Through the expansion bolt orifice plate（404）On mounting hole and tunnel duct piece（1）On
Hole is connected.
6. the tunnel support structure part of carbon fibre composite as claimed in claim 1, it is characterised in that described tunneltron
Piece（1）In be also embedded with expansion bolt pipe.
7. the tunnel support structure part of carbon fibre composite as claimed in claim 6, it is characterised in that described pre-buried to be
Refer in the drilling of section of jurisdiction inner surface, after being then filled into epoxy resin, expansion bolt pipe is installed.
8. a kind of installation method of the tunnel support structure part of carbon fibre composite according to claim 1, its feature
It is that the method is：The interim cable and pipeline removed in tunnel, and the escape platform of cut-off is processed, reserve installing space；
Deformation tunnel section of jurisdiction inner surface precalculated position drills, and is filled into pre-buried expansion bolt pipe after epoxy resin, treats that epoxy resin is completely solid
After change, tunnel duct piece inner surface is cleaned, apply high viscosity adhesive glue；Then the prefabricated carbon fiber of tunnel duct piece standard shape will be fitted
Composite material structural member is bonded in the position of the predetermined reinforcing supporting and space of tunnel duct piece inner surface；Then recover in all tunnels
Cable and the installation site of pipeline, just can form meet support strength and rigidity after the curing be complete, maintain safe train operation
The tunnel-liner supporting construction of gauge.
9. installation method as claimed in claim 8, it is characterised in that described structural member also includes expansion bolt and expanding screw
Keyhole plate, by being fixedly connected between the expansion bolt and expansion bolt orifice plate reinforcement structure part and section of jurisdiction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510000704.3A CN104632247B (en) | 2015-01-04 | 2015-01-04 | The tunnel support structure part and its installation method of a kind of carbon fibre composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510000704.3A CN104632247B (en) | 2015-01-04 | 2015-01-04 | The tunnel support structure part and its installation method of a kind of carbon fibre composite |
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| CN104632247A CN104632247A (en) | 2015-05-20 |
| CN104632247B true CN104632247B (en) | 2017-06-27 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677810A (en) * | 2015-11-10 | 2017-05-17 | 天津乾丰机电设备有限公司 | Tunnel steel pipe piece composite layer anti-corrosion structure and machining method thereof |
| CN105401955A (en) * | 2015-11-30 | 2016-03-16 | 武汉大学 | Seepage-proofing bearing structure of soft soil pressure tunnel |
| CN106640123B (en) * | 2016-10-31 | 2020-04-28 | 浙江大学城市学院 | Tunnel reinforcing device based on glass fiber duct piece and construction method thereof |
| CN110318782A (en) * | 2019-06-04 | 2019-10-11 | 江苏迅拓机械有限公司 | A kind of composite layer anticorrosion tunnel steel tube piece |
| CN111502693A (en) * | 2020-04-11 | 2020-08-07 | 中铁二院工程集团有限责任公司 | Inner bottom filling type shield tunnel lining structure |
| CN112454608B (en) * | 2020-11-12 | 2022-06-28 | 上海隧道工程有限公司 | Shallow-soil-covered large-diameter shield negative ring pipe sheet structure and manufacturing method thereof |
| CN113250714A (en) * | 2021-06-09 | 2021-08-13 | 中铁十六局集团北京轨道交通工程建设有限公司 | Strip steel lining tunnel lining structure and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4271536B2 (en) * | 2003-09-11 | 2009-06-03 | ジオスター株式会社 | Repair method of tunnel inner wall |
| US8613567B2 (en) * | 2010-07-06 | 2013-12-24 | Tony DiMillo | Clip and method for joining steel ribs used as tunnel liner supports |
| CN102979536A (en) * | 2012-12-11 | 2013-03-20 | 上海市基础工程有限公司 | Construction method for tunnel segment repair and reinforcement |
| CN103775106A (en) * | 2014-01-27 | 2014-05-07 | 华南理工大学 | Structure for reinforcing tunnel by utilizing arch rings and method for reinforcing tunnel |
| CN203978444U (en) * | 2014-05-22 | 2014-12-03 | 南京地铁集团有限公司 | Tunnel lining ruggedized construction |
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Effective date of registration: 20190219 Address after: 200032 5th Floor, No. 1099 Wanping South Road, Xuhui District, Shanghai Patentee after: SHANGHAI TUNNEL ENGINEERING CO., LTD. Address before: 200092 103A room 1121, two North Road, Zhongshan, Yangpu District, Shanghai. Co-patentee before: SHANGHAI TUNNEL ENGINEERING CO., LTD. Patentee before: Shanghai Youde Energy-Saving Technology Development Co., Ltd. |