CN109488331A - Form duct pieces of shield tunnel and its forces testing method - Google Patents
Form duct pieces of shield tunnel and its forces testing method Download PDFInfo
- Publication number
- CN109488331A CN109488331A CN201811515051.2A CN201811515051A CN109488331A CN 109488331 A CN109488331 A CN 109488331A CN 201811515051 A CN201811515051 A CN 201811515051A CN 109488331 A CN109488331 A CN 109488331A
- Authority
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- China
- Prior art keywords
- jurisdiction
- section
- pressure sensor
- shield tunnel
- duct pieces
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 24
- 238000000465 moulding Methods 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 239000006260 foam Substances 0.000 claims abstract description 13
- 239000011888 foil Substances 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims description 6
- 238000004088 simulation Methods 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000003556 assay Methods 0.000 claims description 3
- 238000013401 experimental design Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000010998 test method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- General Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of molding duct pieces of shield tunnel and its forces testing method, including section of jurisdiction ontology, section of jurisdiction ontology is intersected the ring structure that is formed by connecting by several endless tube pieces, and section of jurisdiction is arcuate structure, is provided with injected hole in the cambered surface of section of jurisdiction;It is provided with mounting hole on section of jurisdiction, pressure sensor, steel collar and foam block is disposed with by top to bottom in mounting hole, conducting wire approaching channel is set to intrados at the core model of pressure sensor, is provided with foil gauge on the lateral surface of steel collar;A pressure sensor is provided on the extrados of section of jurisdiction.The present invention provides test methods, simple and practical, can analyze tunnel duct piece radial force to the influence degree of tunnel deformation.
Description
Technical field
The present invention relates to shield tunnel construction technology fields, more particularly, to a kind of molding duct pieces of shield tunnel and its stress
Test method.
Background technique
Shield-tunneling construction has become the main construction method of urban track traffic, forms the stress of duct pieces of shield tunnel only
There are theoretical calculation, laboratory simulation detection, has no the actual measurement case of section of jurisdiction stress.During shield driving, tunnel is formed
In rich groundwater, synchronous grouting amount deficiency or under other external forces, section of jurisdiction generates the change of faulting of slab ends deformation and external force for section of jurisdiction
Change relationship is only limited theoretical modeling and calculates research, without Practical Project experimental study and summary.During shield-tunneling construction
Influence of the variation of shield thrust to section of jurisdiction faulting of slab ends, when molding shield tunnel is floated by external force, buoyancy is to section of jurisdiction
Faulting of slab ends, bolt strained influence degree have no always actual tests test result.
In view of the foregoing, a kind of molding duct pieces of shield tunnel is provided and its forces testing method be it is necessary, should
Section of jurisdiction can meet Water And Earth Pressures in stratum simultaneously and generate the requirement that buoyancy generates to section of jurisdiction.
Summary of the invention
The object of the present invention is to provide a kind of molding duct pieces of shield tunnel and its forces testing methods, provide test side
Method, it is simple and practical, tunnel duct piece radial force can be analyzed to the influence degree of tunnel deformation.
To achieve the above object, the present invention provides a kind of molding duct pieces of shield tunnel, including section of jurisdiction ontology, the sections of jurisdiction
Ontology is intersected the ring structure that is formed by connecting by several endless tube pieces, and the section of jurisdiction is arcuate structure, in the cambered surface of the section of jurisdiction
It is provided with injected hole;
Be provided with mounting hole on the section of jurisdiction, in the mounting hole by top to bottom be disposed with pressure sensor,
Steel collar and foam block, the foam block are connect with the steel collar, and the steel collar is connect with the pressure sensor, described
Conducting wire approaching channel is set to intrados at the core model of pressure sensor, is provided with foil gauge on the lateral surface of the steel collar;
Several the first bolts hole are provided on the anchor ring of the section of jurisdiction, between every two adjacent first bolt hole
There are two pressure sensor, the distance between two described pressure sensors are 10-12cm for setting;
Several the second bolts hole are provided on the end face of the section of jurisdiction, between every two adjacent second bolt hole
There are two pressure sensor, the distance between two described pressure sensors are 10-12cm for setting;
A pressure sensor is provided on the extrados of the section of jurisdiction.
Preferably, the camber line distance between the pressure sensor on the section of jurisdiction anchor ring and adjacent first bolt hole
For 30cm.
Preferably, the foam block is set as hollow cylindrical structure, and be provided on the inner wall of the foam block with
The adaptable groove of the foil gauge.
Preferably, the steel collar is set as hollow cylindrical structure, and the internal diameter of the steel collar and the pressure pass
The diameter of sensor is consistent.
Preferably, the depth of the mounting hole is 15mm.
A kind of forces testing method forming duct pieces of shield tunnel, comprising the following steps:
A, in the factory of section of jurisdiction, section of jurisdiction simulation assembling is finished, it is every after the assay was approved, according to experimental design space ruler
It is very little, the position of pre-reservation pressure sensor is determined on the anchor ring of section of jurisdiction, end face and extrados, is marked, each pressure sensing
Conducting wire approaching channel is reserved to intrados at the core model of device;
B, the mounting hole of installation pressure sensor, section of jurisdiction outer arc are set on the end face of every endless tube piece, anchor ring and extrados
The position of face upper installing hole is located at injected hole, is sealed processing to the mounting hole;
C, installing pipe piece anchor ring and the pressure sensor of end face, the pressure sensor of every endless tube on piece is mounted on is dug with shield
Into on the left side on the basis of direction, every endless tube on piece is installed two pressure and is passed on the preceding anchor ring on the basis of shield driving direction
Pressure sensor on the extrados of section of jurisdiction is mounted at injected hole by sensor, and conducting wire is drawn and is connect with testing equipment;
D, the section of jurisdiction for installing pressure sensor is transported to scene, shield is normally tunneled, sighting tube piece end face, anchor ring and outer
Pressure sensor data situation of change in cambered surface adjusts different zones propelling cylinder pressure value, observation pressure according to the actual situation
Force sensor data situation of change;
E, after shield tunnel molding, at interval of a month segment deformation of test and suffered external force changing value, in tunnel
Section of jurisdiction is tested when can select in the operation phase by outer force data;
F, analysis and summary data summarize different time sections section of jurisdiction by the relationship of external force and segment deformation.
Preferably, the pressure sensor of the section of jurisdiction end face is set as two.
Preferably, conducting wire fairlead of the injected hole in test as pressure sensor.
Therefore, present invention molding duct pieces of shield tunnel using the above structure and its forces testing method, provide test
Method, it is simple and practical, tunnel duct piece radial force can be analyzed to the influence degree of tunnel deformation.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for forming duct pieces of shield tunnel of the present invention;
Fig. 2 is a kind of annuli arrangement schematic diagram for forming duct pieces of shield tunnel of the present invention;
Fig. 3 is a kind of end structure illustration for forming duct pieces of shield tunnel of the present invention;
Fig. 4 is a kind of overall structure diagram for forming duct pieces of shield tunnel of the present invention.
Specific embodiment
Embodiment
Fig. 1 is a kind of structural schematic diagram for forming duct pieces of shield tunnel of the present invention, and Fig. 2 is a kind of molding shield tunnel of the present invention
The annuli arrangement schematic diagram of road section of jurisdiction, Fig. 3 are a kind of end structure illustration for forming duct pieces of shield tunnel of the present invention, and Fig. 4 is
A kind of overall structure diagram for forming duct pieces of shield tunnel of the present invention.As shown, the present invention provides a kind of molding shields
Tunnel duct piece, including section of jurisdiction ontology, the section of jurisdiction ontology are intersected the ring structure that is formed by connecting by several endless tube pieces 1, section of jurisdiction 1
For arcuate structure, injected hole 2 is provided in the cambered surface of section of jurisdiction 1;Mounting hole 3 is provided on section of jurisdiction 1, the depth of mounting hole 3 is
15mm, mounting hole 3 is interior to be disposed with pressure sensor 4, steel collar 5 and foam block 6, foam block 6 and steel by top to bottom
Lantern ring 5 connects, and steel collar 5 is connect with pressure sensor 4, and conducting wire approaching channel 7 is arranged to intrados at the core model of pressure sensor 4,
Foil gauge 8 is provided on the lateral surface of steel collar 5;Several the first bolts hole 9, every two phase are provided on the anchor ring of section of jurisdiction 1
There are two pressure sensor 4, the distance between two pressure sensors 4 are 10-12cm for setting between the first adjacent bolt hole 9;
Several the second bolts hole 10 are provided on the end face of section of jurisdiction 1, between every two adjacent second bolt hole 10 there are two settings
Pressure sensor 4, the distance between two pressure sensors 4 are 10-12cm;A pressure is provided on the extrados of section of jurisdiction 1
Sensor 4.
Camber line distance between pressure sensor 4 and the first adjacent bolt hole 9 on 1 anchor ring of section of jurisdiction is 30cm.
Foam block 6 is set as hollow cylindrical structure, and is provided on the inner wall of foam block 6 and is adapted with foil gauge 8
Groove, steel collar 5 is set as hollow cylindrical structure, and the internal diameter of steel collar 5 is consistent with the diameter of pressure sensor 4.
A kind of forces testing method forming duct pieces of shield tunnel, comprising the following steps:
A, in the factory of section of jurisdiction, section of jurisdiction simulation assembling is finished, it is every after the assay was approved, according to experimental design space ruler
It is very little, the position of pre-reservation pressure sensor is determined on the anchor ring of section of jurisdiction, end face and extrados, is marked, each pressure sensing
Conducting wire approaching channel is reserved to intrados at the core model of device;
B, the mounting hole of installation pressure sensor, section of jurisdiction outer arc are set on the end face of every endless tube piece, anchor ring and extrados
The position of face upper installing hole is located at injected hole, is sealed processing to the mounting hole;
C, installing pipe piece anchor ring and the pressure sensor of end face, the pressure sensor of every endless tube on piece is mounted on is dug with shield
Into on the left side on the basis of direction, every endless tube on piece is installed two pressure and is passed on the preceding anchor ring on the basis of shield driving direction
Pressure sensor on the extrados of section of jurisdiction is mounted at injected hole by sensor, and conducting wire is drawn and is connect with testing equipment;
D, the section of jurisdiction for installing pressure sensor is transported to scene, shield is normally tunneled, sighting tube piece end face, anchor ring and outer
Pressure sensor data situation of change in cambered surface adjusts different zones propelling cylinder pressure value, observation pressure according to the actual situation
Force sensor data situation of change;
E, after shield tunnel molding, at interval of a month segment deformation of test and suffered external force changing value, in tunnel
Section of jurisdiction is tested when can select in the operation phase by outer force data;
F, analysis and summary data summarize different time sections section of jurisdiction by the relationship of external force and segment deformation.
Further, the pressure sensor of the section of jurisdiction end face is set as two.
Further, conducting wire fairlead of the injected hole in test as pressure sensor.
Therefore, present invention molding duct pieces of shield tunnel using the above structure and its forces testing method, provide test
Method, it is simple and practical, tunnel duct piece radial force can be analyzed to the influence degree of tunnel deformation.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited,
Although the present invention is described in detail with reference to preferred embodiments, those skilled in the art should understand that: its according to
So can be with modification or equivalent replacement of the technical solution of the present invention are made, and these modifications or equivalent replacement cannot also make to repair
Technical solution after changing is detached from the spirit and scope of technical solution of the present invention.
Claims (8)
1. a kind of molding duct pieces of shield tunnel, including section of jurisdiction ontology, it is characterised in that:
The section of jurisdiction ontology is intersected the ring structure that is formed by connecting by several endless tube pieces, and the section of jurisdiction is arcuate structure, described
Injected hole is provided in the cambered surface of section of jurisdiction;
Mounting hole is provided on the section of jurisdiction, the mounting hole is interior to be disposed with pressure sensor, steel bushing by top to bottom
Ring and foam block, the foam block are connect with the steel collar, and the steel collar is connect with the pressure sensor, the pressure
Conducting wire approaching channel is set to intrados at the core model of sensor, is provided with foil gauge on the lateral surface of the steel collar;
It is provided with several the first bolts hole on the anchor ring of the section of jurisdiction, is arranged between every two adjacent first bolt hole
There are two pressure sensor, the distance between two described pressure sensors are 10-12cm;
It is provided with several the second bolts hole on the end face of the section of jurisdiction, is arranged between every two adjacent second bolt hole
There are two pressure sensor, the distance between two described pressure sensors are 10-12cm;
A pressure sensor is provided on the extrados of the section of jurisdiction.
2. molding duct pieces of shield tunnel according to claim 1, it is characterised in that: the pressure sensing on the section of jurisdiction anchor ring
Camber line distance between device and adjacent first bolt hole is 30cm.
3. molding duct pieces of shield tunnel according to claim 2, it is characterised in that: the foam block is set as hollow circle
Column construction, and the groove being adapted with the foil gauge is provided on the inner wall of the foam block.
4. molding duct pieces of shield tunnel according to claim 3, it is characterised in that: the steel collar is set as hollow circle
Column construction, the internal diameter of the steel collar are consistent with the diameter of the pressure sensor.
5. molding duct pieces of shield tunnel according to claim 4, it is characterised in that: the depth of the mounting hole is 15mm.
6. a kind of forces testing method of molding duct pieces of shield tunnel as described in any one in claim 1-5, which is characterized in that
The following steps are included:
A, in the factory of section of jurisdiction, section of jurisdiction simulation assembling is finished, it is every after the assay was approved, according to experimental design bulk,
The position that pre-reservation pressure sensor is determined on the anchor ring of section of jurisdiction, end face and extrados, is marked, the core of each pressure sensor
Conducting wire approaching channel is reserved to intrados at mould;
B, on the end face of every endless tube piece, anchor ring and extrados setting installation pressure sensor mounting hole, on the extrados of section of jurisdiction
The position of mounting hole is located at injected hole, is sealed processing to the mounting hole;
C, the pressure sensor of installing pipe piece anchor ring and the pressure sensor of end face, every endless tube on piece is mounted on shield driving side
On left side on the basis of, every endless tube on piece installs two pressure sensings on the preceding anchor ring on the basis of shield driving direction
Pressure sensor on the extrados of section of jurisdiction is mounted at injected hole by device, and conducting wire is drawn and is connect with testing equipment;
D, the section of jurisdiction for installing pressure sensor is transported to scene, shield is normally tunneled, sighting tube piece end face, anchor ring and extrados
On pressure sensor data situation of change, according to the actual situation adjust different zones propelling cylinder pressure value, observed pressure pass
Sensor data situation;
E, after shield tunnel molding, at interval of a month segment deformation of test and suffered external force changing value, in tunnel operation
Section of jurisdiction is tested when can select in the phase by outer force data;
F, analysis and summary data summarize different time sections section of jurisdiction by the relationship of external force and segment deformation.
7. the forces testing method of molding duct pieces of shield tunnel according to claim 6, it is characterised in that: the section of jurisdiction end
The pressure sensor in face is set as two.
8. the forces testing method of molding duct pieces of shield tunnel according to claim 6, it is characterised in that: the injected hole
Conducting wire fairlead in test as pressure sensor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811515051.2A CN109488331B (en) | 2018-12-12 | 2018-12-12 | Molded shield tunnel segment and stress test method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811515051.2A CN109488331B (en) | 2018-12-12 | 2018-12-12 | Molded shield tunnel segment and stress test method thereof |
Publications (2)
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CN109488331A true CN109488331A (en) | 2019-03-19 |
CN109488331B CN109488331B (en) | 2024-06-25 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113217016A (en) * | 2021-05-26 | 2021-08-06 | 中安华力建设集团有限公司 | Simulation system and simulation method for tunnel shield construction and segment installation quality control |
CN113586038A (en) * | 2021-07-13 | 2021-11-02 | 大连地铁集团有限公司 | Method for installing soil pressure gauge in duct piece prefabricating process |
CN115898455A (en) * | 2022-11-17 | 2023-04-04 | 深圳大学 | Variable cross-section connecting node segment of shield tunnel and assembling method thereof |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101182772A (en) * | 2007-11-20 | 2008-05-21 | 中铁二局股份有限公司 | Two lines intersection small radius, shallow earth covering and large longitudinal slope complicated linetype shield construction method |
CN102278126A (en) * | 2011-04-29 | 2011-12-14 | 中铁第四勘察设计院集团有限公司 | Force testing method for connecting bolt of duct pieces in shield tunnel |
CN102425427A (en) * | 2011-12-30 | 2012-04-25 | 中铁二局股份有限公司 | Method for constructing tunnel by utilizing shield empty-pushing crossing mine method |
KR20120063257A (en) * | 2010-12-07 | 2012-06-15 | 한국건설기술연구원 | Segment structure of shield tunnel making use of a prestressed steel wire and segment lining system fixing the segment therewith |
CN105258824A (en) * | 2015-11-05 | 2016-01-20 | 白云 | Water and soil pressure monitoring rod for shield tunnel |
CN105987778A (en) * | 2015-05-06 | 2016-10-05 | 中铁建设投资集团有限公司 | Shield tunnel segment joint stress in-situ measurement method |
CN108225757A (en) * | 2018-01-09 | 2018-06-29 | 上海应用技术大学 | A kind of superimposing thread tunnel influences each other tunnel segment structure mechanical stae field testing procedure |
CN207728372U (en) * | 2017-12-07 | 2018-08-14 | 广州地铁设计研究院有限公司 | A kind of duct pieces of shield tunnel interannular device for pressure measurement |
CN209430206U (en) * | 2018-12-12 | 2019-09-24 | 中铁十八局集团有限公司 | Form duct pieces of shield tunnel |
-
2018
- 2018-12-12 CN CN201811515051.2A patent/CN109488331B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101182772A (en) * | 2007-11-20 | 2008-05-21 | 中铁二局股份有限公司 | Two lines intersection small radius, shallow earth covering and large longitudinal slope complicated linetype shield construction method |
KR20120063257A (en) * | 2010-12-07 | 2012-06-15 | 한국건설기술연구원 | Segment structure of shield tunnel making use of a prestressed steel wire and segment lining system fixing the segment therewith |
CN102278126A (en) * | 2011-04-29 | 2011-12-14 | 中铁第四勘察设计院集团有限公司 | Force testing method for connecting bolt of duct pieces in shield tunnel |
CN102425427A (en) * | 2011-12-30 | 2012-04-25 | 中铁二局股份有限公司 | Method for constructing tunnel by utilizing shield empty-pushing crossing mine method |
CN105987778A (en) * | 2015-05-06 | 2016-10-05 | 中铁建设投资集团有限公司 | Shield tunnel segment joint stress in-situ measurement method |
CN105258824A (en) * | 2015-11-05 | 2016-01-20 | 白云 | Water and soil pressure monitoring rod for shield tunnel |
CN207728372U (en) * | 2017-12-07 | 2018-08-14 | 广州地铁设计研究院有限公司 | A kind of duct pieces of shield tunnel interannular device for pressure measurement |
CN108225757A (en) * | 2018-01-09 | 2018-06-29 | 上海应用技术大学 | A kind of superimposing thread tunnel influences each other tunnel segment structure mechanical stae field testing procedure |
CN209430206U (en) * | 2018-12-12 | 2019-09-24 | 中铁十八局集团有限公司 | Form duct pieces of shield tunnel |
Non-Patent Citations (2)
Title |
---|
何春;张栲;周诚;: "地铁盾构隧道管片结构应力可视化监测技术", 铁道工程学报, vol. 31, no. 11, 9 January 2015 (2015-01-09), pages 104 - 110 * |
董新平;李宗艺;朱磊;: "盾构隧道内力分析方法的校验与选择研究", 铁道标准设计, vol. 62, no. 7, 15 August 2018 (2018-08-15), pages 120 - 124 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113217016A (en) * | 2021-05-26 | 2021-08-06 | 中安华力建设集团有限公司 | Simulation system and simulation method for tunnel shield construction and segment installation quality control |
CN113586038A (en) * | 2021-07-13 | 2021-11-02 | 大连地铁集团有限公司 | Method for installing soil pressure gauge in duct piece prefabricating process |
CN113586038B (en) * | 2021-07-13 | 2024-03-22 | 大连地铁集团有限公司 | Method for installing soil pressure gauge in duct piece prefabrication process |
CN115898455A (en) * | 2022-11-17 | 2023-04-04 | 深圳大学 | Variable cross-section connecting node segment of shield tunnel and assembling method thereof |
WO2024104429A1 (en) * | 2022-11-17 | 2024-05-23 | 深圳大学 | Shield tunnel variable cross-section connection joint segment and assembly method therefor |
CN115898455B (en) * | 2022-11-17 | 2024-05-28 | 深圳大学 | Variable-section connecting node segment of shield tunnel and assembly method thereof |
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