CN102979536A - Construction method for tunnel segment repair and reinforcement - Google Patents
Construction method for tunnel segment repair and reinforcement Download PDFInfo
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- CN102979536A CN102979536A CN2012105291343A CN201210529134A CN102979536A CN 102979536 A CN102979536 A CN 102979536A CN 2012105291343 A CN2012105291343 A CN 2012105291343A CN 201210529134 A CN201210529134 A CN 201210529134A CN 102979536 A CN102979536 A CN 102979536A
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 230000008439 repair process Effects 0.000 title claims abstract description 16
- 230000002787 reinforcement Effects 0.000 title abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 93
- 239000010959 steel Substances 0.000 claims abstract description 93
- 238000009434 installation Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000004593 Epoxy Substances 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 239000004570 mortar (masonry) Substances 0.000 claims description 11
- 229920000642 polymer Polymers 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000012634 fragment Substances 0.000 claims description 7
- 239000007943 implant Substances 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- 239000003755 preservative agent Substances 0.000 claims description 6
- 230000002335 preservative effect Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 238000007569 slipcasting Methods 0.000 claims description 4
- 241000870659 Crassula perfoliata var. minor Species 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 230000001681 protective effect Effects 0.000 abstract 2
- 238000004381 surface treatment Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
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- 239000006260 foam Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 229920006334 epoxy coating Polymers 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
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- 238000003908 quality control method Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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Abstract
The invention relates to a construction method for tunnel segment repair and reinforcement. The construction method comprises: I, a segment repair method: 1, classification of a broken area and a grade thereof; 2, determination of materials for repair; and 3, determination of repair measures according to the broken area and the grade thereof; and II, a segment reinforcement method: 1, determination of an installation range for a protective steel plate; 2, determination of the size and specifications of the protective steel plate; 3, surface treatment of the segment installation position; and 4, determination of an installation method. The problems of future repair and reinforcement of a broken part of a segment in a tunnel can be solved.
Description
Technical field
The present invention relates to a kind of tunnel duct piece repairs and reinforced construction method.
Background technology
At present, further exploitation along with urban underground space, Metro Tunnel is more and more darker, the engineering difficulty is larger, execution conditions are more complicated, under so complicated working condition, the construction quality of Metro Tunnel unavoidably is under some influence, and the tunnel duct piece repairing quality will directly have influence in the future safety of subway operation.Guarantee that the section of jurisdiction repairing quality is the most important thing of the follow-up construction of shield structure from now on.
Summary of the invention
The present invention will provide a kind of tunnel duct piece to repair and reinforced construction method.
Technical scheme of the present invention is: a kind of tunnel duct piece is repaired and reinforced construction method, and its Specific construction step is as follows:
One, repair the section of jurisdiction
1, cracked zone, section of jurisdiction and grade classification
Divide cracked zone, section of jurisdiction according to tunnel vault, the arch end, three positions, both sides, and divide the cracked grade in section of jurisdiction according to the cracked degree of depth in section of jurisdiction, size;
2, determine patching material
According to cracked zone, section of jurisdiction and grade, determine patching material according to compressive strength, rupture strength, adhesion strength, guarantee metro operation after, patching material can not drop;
3, repair cracked section of jurisdiction
Two, adopt the protection steel plate to reinforce repairing the section of jurisdiction
1, determines protection steel plate fitting limit
Can prevent after installing according to the protection steel plate that tunnel top from repairing the fragment of position and dropping, simultaneously can with the common stressed principle of tunnel structure, determine protection steel plate fitting limit;
2, determine protection plate size specification
According to steel plate weight, make things convenient for installation principle to determine the plate size specification;
3. the protection steel plate is installed and is prepared
1) carries out filleting, slip casting and hand hole blocking to repairing the section of jurisdiction;
2) processing of protection steel plate and preservative treatment;
4, the protection steel plate is installed
Employing Simple support and Chain block are manually installed and are located.
Repair the concrete grammar of cracked section of jurisdiction:
1. fragment cuts: first cracked place is not yet dropped or crannied broken concrete cuts;
2. cut the net sheet: cracked place is measured, then the size cutting steel fabric sheet cracked according to the section of jurisdiction;
3. boring: cracked place holes along 30 ° of angles in the section of jurisdiction;
4. cracked place's removing surface: paint brush and dip in water surface, cracked place is scrubbed, cleared up the chip on surface after, the chip in the hole is blown clean;
5. bar planting: in the hole, implant anchoring adhesive first, implant subsequently reinforcing bar;
6. interfacial agents: in crusher surface brush interfacial agents;
7. metal binding wire net sheet: reinforcing bar and net sheet are coupled together with tied silk;
8. smear the polymer mending mortar: with the polymer mending mortar section of jurisdiction is repaired and finish.
The concrete grammar that the protection steel plate is installed:
1) the top steel plate is installed
Along the tunnel direction steel carriage is set, is connected with the electric welding of inner surface of steel plate center, and at carriage two hanger is set; Utilize hanger and last ring seal jacking block injected hole that Chain block is set respectively, by Chain block the top steel plate is located;
2) the both sides steel plate is installed
Determine apart from upper marginal position hanger to be set at inner surface of steel plate according to on-the-spot steel plate examination installation, hanger and shoulder pole adopt and unload the gram connection;
Utilize the adjacent block section of jurisdiction to set up injected hole and on the steel plate both sides Chain block is set, Chain block is connected with shoulder pole two hanger respectively, by Chain block the both sides steel plate is located;
3) epoxy resin slurries filling
After the steel plate installation, the steel plate edge adopts elastic epoxy clay control joint seal, and reserves injected hole, to the clearance filled rigidity epoxy slurry between steel plate and the section of jurisdiction.
The invention has the beneficial effects as follows:
Job practices of the present invention can be guaranteed the repairing quality of the cracked position of tunnel duct piece, forms the standard set method for repairing and mending, and cracked serious position can be installed the protection steel plate and is used for reinforcing, and adopts the present invention can solve well tunnel duct piece and repairs and the reinforcing problem.
Description of drawings
Fig. 1 is the steel fabric sheet scheme of installation;
Fig. 2 is section of jurisdiction bar planting schematic diagram;
Fig. 3 is that the epoxy interfacial agents is processed schematic diagram;
Fig. 4 is that basal plane is processed schematic diagram;
Fig. 5 is that the top steel plate is installed cross-sectional schematic diagram;
Fig. 6 is that the top steel plate is installed the vertical profile schematic diagram;
Fig. 7 is that the both sides steel plate is installed cross-sectional schematic diagram;
Fig. 8 is that the both sides steel plate is installed the vertical profile schematic diagram.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
The construction technology that the present invention repairs and reinforces in No. 12 lines of Shanghai rail transit 26 mark running tunnel sections of jurisdiction, the tunnel that construct, the concrete step of executing is:
One, repair the section of jurisdiction
1, the cracked classification in section of jurisdiction
1) cracked zone is divided
According to the actual conditions of construction tunnel and the width of train, the position of segment damage is divided three, is respectively tunnel vault position, both sides, tunnel waist, arch railway roadbed position, the end, tunnel.Need to consider respectively for its repairing measures of different parts, specific as follows:
1. tunnel vault position: 100 ° of scopes of top, tunnel vault, namely drop shadow spread covers tunnel duct piece D piece and B piece junction downwards;
2. tunnel arch railway roadbed position, the end: the 90 ° of scopes in the arch end, bottom, tunnel, namely about zone between the two calibrated bolck bottom hand holes, comprise whole railway roadbed track;
3. both sides, tunnel waist: the about 85 ° of scopes in both sides, tunnel, namely arch crown part is to position, tunnel vault bottom.
2) cracked grade classification
Category-A: the segment damage area is more than 0.1m2, and the degree of depth is greater than 5cm.
Category-B: the segment damage area is more than 0.1m2, and the degree of depth is revealed muscle less than 5cm.
The C class: the segment damage area is more than 0.1m2, and the degree of depth is not revealed muscle less than 5cm.
The D class: the segment damage area does not reach 0.1m2, and the degree of depth is greater than 5cm.
The E class: the segment damage area does not reach 0.1m2, and the degree of depth is revealed muscle less than 5cm.
The F class: the segment damage area does not reach 0.1m2, and the degree of depth is not revealed muscle less than 5cm.
Take different reclamation activities for different damaged grades, specifically see the following form:
| ? | Category-A | Category-B | The C class | The D class | The E class | The F class |
| Arch crown part | The a class is repaired | The a class is repaired | The a class is repaired | The a class is repaired | The a class is repaired | The b class is repaired |
| The both sides waist | The a class is repaired | The a class is repaired | The b class is repaired | The a class is repaired | The a class is repaired | The b class is repaired |
| Position, arch bottom | The b class is repaired | The b class is repaired | The b class is repaired | The b class is repaired | The b class is repaired | The b class is repaired |
2, the main patching material in section of jurisdiction
The section of jurisdiction patching material mainly is polymer mending mortar, concrete interface agent, steel fabric sheet, reinforcing bar, anchoring adhesive.Specifically see the following form:
3, section of jurisdiction repairing measures
1) repairing measures classification
1. a class reclamation activities
Technological process: waterproofing and leakage-stopping → fragment cuts → cuts net sheet → boring → cracked place removing surface → bar planting → be coated with interfacial agents → smear first floor polymer mending mortar → assembling reinforcement net sheet → smear second layer polymer mending mortar → make marks.
2. b class reclamation activities
Technological process: fragment cuts → removing surface of cracked place → be coated with interfacial agents → smear polymer mending mortar → make marks.
2) repairing measures
1. fragment cuts: first cracked place is not yet dropped or crannied broken concrete cuts.
2. cut the net sheet: cracked place is measured, then according to cracked size cutting steel fabric sheet.
3. boring: the drill bit of boring 8mm, cracked place holes along about 30 ° of angles in the section of jurisdiction, and drilling depth is about 5 ~ 6cm.The effective depth that can keep like this bar planting also is not easy to run into the section of jurisdiction reinforcing bar during boring, the spacing of Kong Yukong is about 20cm ~ 25cm.
4. cracked place's removing surface: paint brush and dip in water surface, cracked place is scrubbed.After having cleared up the chip on surface, also need in addition the chip in the hole is blown clean.
5. bar planting (Fig. 2): in the hole, implant anchoring adhesive first, implant subsequently reinforcing bar 1.During bar planting, reinforcing bar 1 need rotate, and guarantees that glue evenly is attached on reinforcing bar 1 and the concrete.Bar planting is that level is upwards in 30 °, about the about 5cm of the degree of depth.
6. interfacial agents (Fig. 3): in crusher surface 4 brush interfacial agents 2.
7. metal binding wire net sheet (Fig. 1): must couple together reinforcing bar 1 and net sheet with tied silk.
8. smear polymer mending mortar (Fig. 4): with the polymer mending mortar section of jurisdiction 3 is repaired and finish, smear in the process of polymer mending mortar, avoid mend and 3 adhesions of section of jurisdiction, next door.
9. make marks: at last carry out mark in the place of repairing, and make a record and put convenient later tracing observation on record.
Two, section of jurisdiction reinforcement measure
1, fitting limit
Protection steel loop installation position is 212 ° on top, tunnel, to hide circumferential weld filleting groove as principle.
2, steel plate specification
According to designing requirement, protection steel plate thickness 12mm, width 450mm, the steel plate plan of needs is as follows:
Annotate: steel plate processing quality control: thickness allowable variation: ± 0.35mm, width allowable variation: ± 3mm.Operative norm: GB/T 709-2006.
3, construction process:
4, preparation is installed
1) filleting, slip casting and hand hole blocking
1. clear up ring, the longitudinal joint filleting groove of section of jurisdiction;
2. at the longitudinal joint place of binding the piece position, adopt the mode of non-boring to form the blocking-up node, carry out filleting with foam strip, elastic epoxy clay again and process, and reserve injected hole, pour into rigidity epoxy plasmoid humor;
3. all the other longitudinal joints and circumferential weld place carry out the gamut foam strip, elastic epoxy clay filleting is processed, and all pour into the elastic epoxy slurries.
4. lay before the steel plate, the hand hole in the steel plate coverage should use rapid-patching motar cement to carry out filling.
2) steel plate processing and preservative treatment
1. owing to operating space in the tunnel is less, the installation for ease of the protection steel loop during steel plate preprocessing, divides every ring protection steel loop into three, welds to on-the-spot installation again.
2. surface of steel plate is according to design attitude three row's preformed holes, and wherein two row's preformed hole diameter of phi 22mm are used for later stage installation expansion bolt; Another row's preformed hole diameter of phi 18mm is used for later stage hand hole position bar planting.
3. steel plate adds well in advance preservative treatment in man-hour (the engineering contact is single):
Surface of steel plate adopts derusting by sandblasting to process, and desirable surface roughness can be provided, and guarantees the adhesion strength between section of jurisdiction and steel plate.
Inner surface of steel plate is coated with first 702 epoxy zinc rich primers, 20 μ m after rust cleaning, be coated with after cured solvent-free super thick-film type epoxy coating 1100 μ m again.
Splicing place stays that the 10cm width is to be installed, welding remakes preservative treatment after finishing between steel plate: brushing epoxy zinc-rich lacquer after the rust cleaning, anticorrosive coat thickness is with all the other positions.
5, the protection steel plate is installed
1) top steel plate mounting method:
Such as Fig. 5, shown in 6, along the tunnel direction steel carriage 7(8# channel-section steel is set and is welded), be connected with steel plate 6 inner surface center electric welding,, steady during with the assurance lifting, play temporary fixed effect, and at steel carriage 7 two hanger is set.
Utilize this ring and last ring seal jacking block injected hole that model is set respectively and be the Chain block 5 of 1t, by Chain block 5 top steel plate 6 is located.
2) both sides steel plate mounting method:
Such as Fig. 7, shown in 8, to determine apart from top edge 2300mm position hanger 8 to be set at steel plate 6 inner surfaces according to on-the-spot steel plate examination installation, hanger 8 and shoulder pole utilization are unloaded gram and are connected.
Utilize the adjacent block section of jurisdiction to set up injected hole and on steel plate 6 both sides 1t Chain block 5 is set, Chain block 5 is connected with shoulder pole two hanger 8 respectively, by Chain block 5 with both sides steel plate 6 location, the risk of not toppling to the inside through field trial.
3) adopt M16 stainless steel expansion bolt to be fixed expansion bolt degree of depth 16cm by preformed hole behind the steel plate location.
4) implant Φ 12mm dowel by preformed hole in each hand hole that steel plate covers, degree of depth 200mm, dowel and steel plate all adopt plug welding.
5) groove welding, weld bead height 10mm are adopted in splicing between steel plate.
6) after steel plate splicing is finished the surface of steel plate of splicing place 10cm width is done preservative treatment.
6, epoxy resin slurries filling
After the steel plate installation, the steel plate edge adopts elastic epoxy clay control joint seal, and reserves injected hole, and to the clearance filled rigidity epoxy slurry between steel plate and the section of jurisdiction, grouting amount and grouting pressure are determined through overtesting.
Claims (3)
1. a tunnel duct piece is repaired and reinforced construction method, it is characterized in that its Specific construction step is as follows:
One, repair the section of jurisdiction
1) cracked zone, section of jurisdiction and grade classification
Divide cracked zone, section of jurisdiction according to tunnel vault, the arch end, three positions, both sides, and divide the cracked grade in section of jurisdiction according to the cracked degree of depth in section of jurisdiction, size;
2) determine patching material
According to cracked zone, section of jurisdiction and grade, determine patching material according to compressive strength, rupture strength, adhesion strength, guarantee metro operation after, patching material can not drop;
3) repair cracked section of jurisdiction
Two, adopt the protection steel plate to reinforce repairing the section of jurisdiction
1) determines protection steel plate fitting limit
Can prevent after installing according to the protection steel plate that tunnel top from repairing the fragment of position and dropping, simultaneously can with the common stressed principle of tunnel structure, determine protection steel plate fitting limit;
2) determine protection plate size specification
According to steel plate weight, make things convenient for installation principle to determine the plate size specification;
3) the protection steel plate is installed and is prepared
(1) carries out filleting, slip casting and hand hole blocking to repairing the section of jurisdiction;
(2) processing of protection steel plate and preservative treatment;
4) the protection steel plate is installed
Employing Simple support and Chain block are manually installed and are located.
2. tunnel duct piece according to claim 1 is repaired and reinforced construction method, it is characterized in that: the concrete grammar of the cracked section of jurisdiction of described repairing:
1. fragment cuts: first cracked place is not yet dropped or crannied broken concrete cuts;
2. cut the net sheet: cracked place is measured, then the size cutting steel fabric sheet cracked according to the section of jurisdiction;
3. boring: cracked place holes along 30 ° of angles in the section of jurisdiction;
4. cracked place's removing surface: paint brush and dip in water surface, cracked place is scrubbed, cleared up the chip on surface after, the chip in the hole is blown clean;
5. bar planting: in the hole, implant anchoring adhesive first, implant subsequently reinforcing bar;
6. interfacial agents: in crusher surface brush interfacial agents;
7. metal binding wire net sheet: reinforcing bar and net sheet are coupled together with tied silk;
8. smear the polymer mending mortar: with the polymer mending mortar section of jurisdiction is repaired and finish.
3. tunnel duct piece according to claim 1 is repaired and reinforced construction method, it is characterized in that: the concrete grammar that described protection steel plate is installed:
1) the top steel plate is installed
Along the tunnel direction steel carriage is set, is connected with the electric welding of inner surface of steel plate center, and at carriage two hanger is set; Utilize hanger and last ring seal jacking block injected hole that Chain block is set respectively, by Chain block the top steel plate is located;
2) the both sides steel plate is installed
Determine apart from upper marginal position hanger to be set at inner surface of steel plate according to on-the-spot steel plate examination installation, hanger and shoulder pole adopt and unload the gram connection;
Utilize the adjacent block section of jurisdiction to set up injected hole and on the steel plate both sides Chain block is set, Chain block is connected with shoulder pole two hanger respectively, by Chain block the both sides steel plate is located;
3) epoxy resin slurries filling
After the steel plate installation, the steel plate edge adopts elastic epoxy clay control joint seal, and reserves injected hole, to the clearance filled rigidity epoxy slurry between steel plate and the section of jurisdiction.
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| CN2012105291343A CN102979536A (en) | 2012-12-11 | 2012-12-11 | Construction method for tunnel segment repair and reinforcement |
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| CN2012105291343A CN102979536A (en) | 2012-12-11 | 2012-12-11 | Construction method for tunnel segment repair and reinforcement |
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Cited By (23)
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| CN103643965A (en) * | 2013-12-16 | 2014-03-19 | 上海市基础工程集团有限公司 | Repair and reinforcement construction methods for segments in formed tunnel |
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| CN104632247A (en) * | 2015-01-04 | 2015-05-20 | 上海友德节能技术发展有限公司 | Tunnel supporting structural part made of carbon fiber composite and installation method thereof |
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| CN103643965A (en) * | 2013-12-16 | 2014-03-19 | 上海市基础工程集团有限公司 | Repair and reinforcement construction methods for segments in formed tunnel |
| CN104179509A (en) * | 2014-08-18 | 2014-12-03 | 上海隧道工程有限公司 | Composite component end part fixing device and composite component end part fixing method |
| CN104179509B (en) * | 2014-08-18 | 2016-06-22 | 上海隧道工程有限公司 | Composite component device for fixing end part and method |
| CN104632247A (en) * | 2015-01-04 | 2015-05-20 | 上海友德节能技术发展有限公司 | Tunnel supporting structural part made of carbon fiber composite and installation method thereof |
| CN105442643A (en) * | 2015-12-10 | 2016-03-30 | 中国十七冶集团有限公司 | Construction method for treating cracks of jacking pipe |
| CN106284645A (en) * | 2016-09-22 | 2017-01-04 | 中铁六局集团有限公司 | The prefabricated side wall in a kind of subway station and base foundation grouting connection construction method |
| CN107035385A (en) * | 2017-06-19 | 2017-08-11 | 湖南大学 | A kind of reinforcement means of duct pieces of shield tunnel |
| CN108487917A (en) * | 2018-04-25 | 2018-09-04 | 中铁隧道局集团有限公司 | A kind of tunnel duct piece hand hole blocking device and method |
| CN109595008A (en) * | 2018-08-15 | 2019-04-09 | 福建陆海工程勘察设计有限公司 | A kind of restorative procedure of Tunnel Second Lining concrete dew muscle |
| CN109322676B (en) * | 2018-08-17 | 2020-09-15 | 中铁隧道局集团建设有限公司 | Tunnel crack reinforcing method |
| CN109322676A (en) * | 2018-08-17 | 2019-02-12 | 中铁隧道集团四处有限公司 | Tunnel slot reinforcement means |
| CN109184739A (en) * | 2018-09-30 | 2019-01-11 | 山东建筑大学 | A kind of in-situ rapid renovation and characterization processes for tunnel scene section of jurisdiction damage zone |
| CN109296383A (en) * | 2018-10-09 | 2019-02-01 | 中建隧道建设有限公司 | Reinforcement means is maintained after dehydration outside a kind of tunnel duct piece |
| CN110130930A (en) * | 2019-06-12 | 2019-08-16 | 上海隧道工程有限公司 | Reinforcement for large diameter shield tunnel |
| CN111927502A (en) * | 2020-06-02 | 2020-11-13 | 神华包神铁路集团有限责任公司 | Method for treating tunnel water leakage and tunnel water leakage prevention structure |
| CN111878114A (en) * | 2020-07-06 | 2020-11-03 | 中铁三局集团有限公司 | Repairing method for unfilled corner and cracked corner of shield segment |
| CN111828057A (en) * | 2020-07-30 | 2020-10-27 | 厦门顶巢建筑修缮研究院有限公司 | System and process for repairing leakage water of high-speed rail and subway tunnel |
| CN112682065A (en) * | 2020-12-22 | 2021-04-20 | 湖北省大唐安盛建筑工程有限公司 | Subway tunnel segment crack treatment method |
| CN112682065B (en) * | 2020-12-22 | 2024-04-26 | 湖北省大唐安盛建筑工程有限公司 | Subway tunnel segment crack treatment method |
| CN112761681A (en) * | 2021-02-04 | 2021-05-07 | 西南交通大学 | Bolt hole waterproof structure of high-head shield tunnel segment |
| CN113090292A (en) * | 2021-04-09 | 2021-07-09 | 中铁工程服务有限公司 | Shield subway tunnel segment repair reinforcement intelligent complete equipment |
| CN113404518A (en) * | 2021-05-31 | 2021-09-17 | 中铁工程服务有限公司 | Shield tunnel segment repairing process |
| CN113431610A (en) * | 2021-05-31 | 2021-09-24 | 中铁工程服务有限公司 | Shield subway tunnel segment repair control method and device and storage medium |
| CN113404518B (en) * | 2021-05-31 | 2022-07-26 | 中铁工程服务有限公司 | Shield tunnel segment repairing process |
| CN113622949A (en) * | 2021-08-02 | 2021-11-09 | 中铁十六局集团有限公司 | Shield segment repairing and reinforcing method |
| CN113622949B (en) * | 2021-08-02 | 2024-03-22 | 中铁十六局集团有限公司 | Shield segment repairing and reinforcing method |
| CN113863953A (en) * | 2021-10-08 | 2021-12-31 | 陕西同人应用材料有限公司 | Subway tunnel segment reinforcing structure and rapid construction process |
| CN115263370A (en) * | 2022-06-30 | 2022-11-01 | 武汉容晟吉美科技有限公司 | Construction process for grouting of tunnel reinforcing steel ring sheet |
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Application publication date: 20130320 |