CN108316945A - A kind of rectangle or special-shaped shield tunnel chip architecture - Google Patents
A kind of rectangle or special-shaped shield tunnel chip architecture Download PDFInfo
- Publication number
- CN108316945A CN108316945A CN201810309720.4A CN201810309720A CN108316945A CN 108316945 A CN108316945 A CN 108316945A CN 201810309720 A CN201810309720 A CN 201810309720A CN 108316945 A CN108316945 A CN 108316945A
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- special
- chip architecture
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- 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.)
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Links
- 239000004567 concrete Substances 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000010008 shearing Methods 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 229920002943 EPDM rubber Polymers 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/083—Methods or devices for joining adjacent concrete segments
-
- 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
-
- 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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/385—Sealing means positioned between adjacent lining members
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention belongs to Construction Technique of Underground Works fields, particularly relate to a kind of rectangle or special-shaped shield tunnel chip architecture, primarily to providing novel shield tunnel chip architecture, the technical issues of effective solution underground space tunnel segment construction piecemeal is difficult, seam waterproof is difficult, tunnel segment structure stress is complicated after piecemeal and structural instability, the rectangle or special-shaped shield tunnel chip architecture include the section of jurisdiction node that multiple head and the tail were connected with each other and organized rectangular or special-shaped shield closing tunnel cross-section；The connecting plate being mutually matched with section of jurisdiction node is both provided in the rear and front end of each section of jurisdiction node, the connection of adjacent section of jurisdiction is carried out by high stress auxiliary connection or low stress auxiliary connection between adjacent section of jurisdiction node, it is filled with concrete structure block in each section of jurisdiction intra-node, the conventional tunnel segment structure piecemeal of duct pieces of shield tunnel effective solution provided by the invention is more, seam is more, the problems such as seam leak, greatly reduces the risk factors of large section construction.
Description
Technical field
The invention belongs to Construction Technique of Underground Works fields；Particularly relate to a kind of rectangle or special-shaped shield tunnel
Chip architecture.
Background technology
Currently, with the deep development of shield technique, shield tunnel section is gradually by traditional circular cross section towards class square
Shape, the transformation of rectangle equal section structure type；However in the setting up procedure of rectangle or class rectangle or special-shaped tunnel cross-section, using normal
The concrete structure section of jurisdiction of rule is used in progress structure construction and laying in the tunnels such as rectangle, class rectangle, and there is many drawbacks：
1, the concrete structure section of jurisdiction stress being arranged in rectangle or class rectangle tunnel differs, and reliability is poor；By
In the concrete structure section of jurisdiction being arranged in rectangle or class rectangle section structure be flexural member, compared with the bending component of circular cross section
For, stress disunity such as uses shield construction, and not only section of jurisdiction piecemeal is difficult, and connector stress is bad；And section of jurisdiction
Between need using largely being bolted, to construct cumbersome, and weakening of the section tunnel segment structure for completion of constructing for section itself
It is very big, and seam waterproof quality is difficult to ensure.
2, the concrete structure section of jurisdiction being arranged in rectangle or class rectangle tunnel due to its monolithic section of jurisdiction conduct oneself with dignity it is larger, and manage
Piece type is more；There are many inconvenience factors in prefabricated, lifting, transport, management process in section of jurisdiction；And section of jurisdiction with buried depth,
The increase of span, load that section of jurisdiction is born, water pressure are also significantly increased, and the thickness of tunnel segment structure, dead weight are consequently increased, this
The links such as section of jurisdiction transport, assembly, mechanical equipment to underground engineering construction both increase constructional difficulties.
3, using shield technique in the work progress of rectangle or class rectangle tunnel segment structure, it is difficult to which primary construction super large is disconnected
The tunnel structure of face scale；The tunnel for reaching 20m or more for construction cross-sectional width is constructed using rectangle or class rectangle section of jurisdiction, is adopted
It is difficult to realize efficient automated machine construction with current technology means.
Invention content
The goal of the invention of the present invention：
, seam waterproof hardly possible difficult primarily directed to the underground space tunnel segment construction piecemeal in rectangle, class rectangle or section
Processing, tunnel segment structure stress is complicated after piecemeal and structural instability and curved tunnel wedge shape amount lead to mold type mostly etc. more
A kind of novel shield tunnel chip architecture that problem proposes.
The technical scheme is that：
A kind of rectangle or special-shaped shield tunnel chip architecture are provided, the rectangle or special-shaped shield tunnel chip architecture include multiple
Head and the tail are connected with each other and organize the section of jurisdiction node of rectangular or special-shaped shield closing tunnel cross-section；Before and after each section of jurisdiction node
Both ends are both provided with the connecting plate being mutually matched with section of jurisdiction node, pass through high stress auxiliary connection between adjacent section of jurisdiction node
Or low stress auxiliary connection carries out the connection of adjacent section of jurisdiction, and concrete structure block is filled in each section of jurisdiction intra-node.
In section of jurisdiction, the middle position of intra-node is provided with the demarcation strip to match with section of jurisdiction node radian.
It is corresponding filled with concrete structure block respectively in the upper end of each section of jurisdiction intra-node demarcation strip or/and lower end；
Shearing resistance cut piece is both provided in concrete structure block.
The shearing resistance cut piece is followed closely for shearing resistance.
When the thickness of adjacent tubes piece node is respectively less than 500mm, adjacent tubes piece node is connected by low stress auxiliary connection
It connects；The low stress auxiliary connection includes the symmetrically arranged mouth of connecting trough on adjacent tubes piece node, is worn between mouth of connecting trough
It is connected to the rigid connector of arcuate structure, which is arranged across connecting plate.
When the thickness of adjacent tubes piece node is all higher than 500mm, adjacent tubes piece node is connected by high stress auxiliary connection
It connects；The high stress auxiliary connection includes the connection bolt being arranged on adjacent tubes piece node connecting plate, in adjacent tubes piece node
The outer end of upper connection bolt is additionally provided with symmetrical connection mounting groove.
The rigid connector is that arc connects bolt or arc connecting bolt.
It is additionally provided with longitudinally arranged steel rib in the inside of each section of jurisdiction node.
It is additionally provided with mutual corresponding capillary groove on the connecting end surface of adjacent tubes piece node, ternary is set in capillary groove
EP rubbers.
The outer end that tunnel cross-section is closed in the shield that multiple section of jurisdiction node is formed is additionally provided with steel structural layer, steel construction
It is connected by shear reinforcement between the shield closing tunnel cross-section that layer is formed with multiple section of jurisdiction nodes.
The beneficial effects of the invention are as follows：
Large size not only can effectively be avoided using the rectangle of the duct pieces of shield tunnel structure construction, class rectangle and special-shaped tunnel
Shield duct piece is prefabricated, the difficulty in lifting and transport；The conventional tunnel segment structure piecemeal of effective solution is more simultaneously, and seam is more, connects
The problems such as stitching leak；The effective solution mechanized construction problem of underground construction large section simultaneously reduces large section and applies
The risk factors of work improve construction efficiency；The production cost for effectively reducing enterprise improves the economic benefit of enterprise.
Description of the drawings
Fig. 1 is one of the overall structure diagram of the present invention；
Fig. 2 is the two of the overall structure diagram of the present invention；
Fig. 3 is the structural schematic diagram of section of jurisdiction intra-node of the present invention arrangement；
Fig. 4 is the structural schematic diagram of low stress auxiliary connection of the present invention；
Fig. 5 is the section structure diagram that the present invention adds steel structural layer.
In figure；1 is section of jurisdiction node；2 be connecting plate；3 be high stress auxiliary connection；4 be low stress auxiliary connection；5 be concrete
Block structure；6 close tunnel cross-section for shield；7 be steel structural layer；8 be demarcation strip；9 be shearing resistance cut piece；10 be mouth of connecting trough；11
For rigid connector；12 be connection bolt；13 be connection mounting groove；14 be steel rib；15 be capillary groove；16 be shear reinforcement.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing.
As shown in Fig. 1~5, a kind of rectangle or special-shaped shield tunnel chip architecture, the rectangle or special-shaped shield tunnel are provided
Road tunnel segment structure includes the section of jurisdiction node 1 that multiple head and the tail were connected with each other and organized rectangular or special-shaped shield closing tunnel cross-section；
The rear and front end of each section of jurisdiction node is both provided with the connecting plate 2 being mutually matched with section of jurisdiction node, in adjacent section of jurisdiction node
Between the connection of adjacent section of jurisdiction is carried out by high stress auxiliary connection 3 or low stress auxiliary connection 4, in each section of jurisdiction intra-node
It is filled with concrete structure block 5.
In section of jurisdiction, the middle position of intra-node is provided with the demarcation strip 8 to match with section of jurisdiction node radian.
It is corresponding filled with concrete structure block respectively in the upper end of each section of jurisdiction intra-node demarcation strip or/and lower end；
Shearing resistance cut piece 9 is both provided in concrete structure block.
The shearing resistance cut piece is followed closely for shearing resistance.
When the thickness of adjacent tubes piece node is respectively less than 500mm, adjacent tubes piece node is connected by low stress auxiliary connection
It connects；The low stress auxiliary connection includes the symmetrically arranged mouth of connecting trough 10 on adjacent tubes piece node, between mouth of connecting trough
The rigid connector 11 for being connected to arcuate structure is worn, which is arranged across connecting plate.
When the thickness of adjacent tubes piece node is all higher than 500mm, adjacent tubes piece node is connected by high stress auxiliary connection
It connects；The high stress auxiliary connection includes the connection bolt 12 being arranged on adjacent tubes piece node connecting plate, in adjacent tubes segment
The outer end that bolt is connected on point is additionally provided with symmetrical connection mounting groove 13.
The rigid connector is that arc connects bolt or arc connecting bolt.
It is additionally provided with longitudinally arranged steel rib 14 in the inside of each section of jurisdiction node.
It is additionally provided with mutual corresponding capillary groove 15 on the connecting end surface of adjacent tubes piece node, three are arranged in capillary groove
First EP rubbers.
The outer end that tunnel cross-section 6 is closed in the shield that multiple section of jurisdiction node is formed is additionally provided with steel structural layer 7, steel knot
It is connected by shear reinforcement 16 between the shield closing tunnel cross-section that structure layer is formed with multiple section of jurisdiction nodes.
Tunnel segment structure and arrangement form used by the rectangle of the structure setting, class rectangle or special-shaped shield tunnel are convenient suitable
With section of jurisdiction node is directly processed by prefabrication, directly will by the way of hot-working casting during prefabricated processing
Section of jurisdiction node structure carries out cast molding with the position that is connected；Construction site is directly transported to by factory when use, it is effective complete
The process installed at engineering construction modularization；In section of jurisdiction progress rectangle, the structure cloth of class rectangle or special-shaped shield tunnel section
When setting, tunnel segment structure setting is carried out by mounting arrangements on section using the general pre- support element of subterranean tunnel；Carrying out shield
Tunnel cross-section mainly uses two kinds of arrangements during arranging, one is directly carry out reinforced concrete segment structure sheaf
Arrangement, the arrangement use two kinds of high stress auxiliary connection and low stress auxiliary connection in the connection structure of adjacent section of jurisdiction
Connection structure form, flexible layout are applicable in；When concrete structure is set in the node of section of jurisdiction, single-sided arrangement or bilateral may be used
The arrangement of mixed structure arrangement, you can used in the upper of section of jurisdiction node demarcation strip according to the situation that accepts of underground structure section of jurisdiction
The upper layer lower layer of the lower layer arrangement or section of jurisdiction node demarcation strip of layer arrangement or section of jurisdiction node demarcation strip interlocks the structure of mixed-arrangement
Form needs that shearing resistance cut piece is arranged in the concrete layer accordingly arranged to reinforce entirely managing during concrete is arranged
The shear strength of chip architecture.Another shield tunnel section arrangement is on the basal layer of the first structure in addition cloth
Set one layer of steel structural layer；Effectively improve the arrangement intensity and pressure-bearing stress of entire tunnel segment structure；In waterproof arrangement, the structure
There is provided novel segment connection type adjacent section of jurisdiction medial surface be arranged capillary groove, in capillary groove be arranged ethylene propylene diene rubber into
Row waterproof effectively raises the water resistance of entire tunnel segment structure；The section of jurisdiction is installed for integral module structure simultaneously, is not required to
It to depend on traditional duct piece assembling machine to carry out again, greatly meet the integration installation of big cross section, excess weight tunnel segment structure；
Large shield not only can effectively be avoided using the rectangle of the duct pieces of shield tunnel structure construction, class rectangle and special-shaped tunnel
Difficulty in segment prefabricated, lifting and transport；The conventional tunnel segment structure piecemeal of effective solution is more simultaneously, and seam is more, seam leakage
The problems such as water；The effective solution mechanized construction problem of underground construction large section simultaneously reduces large section construction
Risk factors improve construction efficiency；The production cost for effectively reducing enterprise improves the economic benefit of enterprise.
Claims (10)
1. a kind of rectangle or special-shaped shield tunnel chip architecture, it is characterised in that：The rectangle or special-shaped shield tunnel chip architecture
The section of jurisdiction node that rectangular or special-shaped shield closes tunnel cross-section is connected with each other and organized including multiple head and the tail；It is saved in each section of jurisdiction
The rear and front end of point is both provided with the connecting plate being mutually matched with section of jurisdiction node, is answered by height between adjacent section of jurisdiction node
Power auxiliary connection or low stress auxiliary connection carry out the connection of adjacent section of jurisdiction, and concrete knot is filled in each section of jurisdiction intra-node
Building block.
2. a kind of rectangle according to claim 1 or special-shaped shield tunnel chip architecture, it is characterised in that：In section of jurisdiction node
Internal middle position is provided with the demarcation strip to match with section of jurisdiction node radian.
3. a kind of rectangle according to claim 2 or special-shaped shield tunnel chip architecture, it is characterised in that：In each pipe
The upper end or/and lower end of piece node inside points partition board are corresponding respectively to be filled with concrete structure block；In concrete structure block
It is provided with shearing resistance cut piece.
4. a kind of rectangle according to claim 3 or special-shaped shield tunnel chip architecture, it is characterised in that：The shearing resistance
Cut piece is followed closely for shearing resistance.
5. a kind of rectangle according to claim 1 or 3 or special-shaped shield tunnel chip architecture, it is characterised in that：When adjacent
When the thickness of section of jurisdiction node is respectively less than 500mm, adjacent tubes piece node is attached by low stress auxiliary connection；The low stress
Auxiliary connection includes the symmetrically arranged mouth of connecting trough on adjacent tubes piece node, is worn between mouth of connecting trough and is connected to the rigid of arcuate structure
Property connector, the rigid connector across connecting plate be arranged.
6. a kind of rectangle according to claim 1 or 3 or special-shaped shield tunnel chip architecture, it is characterised in that：When adjacent
When the thickness of section of jurisdiction node is all higher than 500mm, adjacent tubes piece node is attached by high stress auxiliary connection；The high stress
Auxiliary connection includes the connection bolt being arranged on adjacent tubes piece node connecting plate, and the outer end of bolt is connected on adjacent tubes piece node
It is additionally provided with symmetrical connection mounting groove.
7. a kind of rectangle according to claim 5 or special-shaped shield tunnel chip architecture, it is characterised in that：The rigidity
Connector is that arc connects bolt or arc connecting bolt.
8. a kind of rectangle according to claim 1 or special-shaped shield tunnel chip architecture, it is characterised in that：In each pipe
The inside of piece node is additionally provided with longitudinally arranged steel rib.
9. a kind of rectangle according to any one of claim 1 to 3 or special-shaped shield tunnel chip architecture, feature exist
In：It is additionally provided with mutual corresponding capillary groove on the connecting end surface of adjacent tubes piece node, EPDM is set in capillary groove
Rubber.
10. a kind of rectangle according to claim 1 or special-shaped shield tunnel chip architecture, it is characterised in that：Multiple
The outer end for the shield closing tunnel cross-section that section of jurisdiction node is formed is additionally provided with steel structural layer, steel structural layer and multiple section of jurisdiction nodes
It is connected by shear reinforcement between the shield closing tunnel cross-section formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810309720.4A CN108316945B (en) | 2018-04-09 | 2018-04-09 | Rectangular or special-shaped shield tunnel segment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810309720.4A CN108316945B (en) | 2018-04-09 | 2018-04-09 | Rectangular or special-shaped shield tunnel segment structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108316945A true CN108316945A (en) | 2018-07-24 |
| CN108316945B CN108316945B (en) | 2024-06-25 |
Family
ID=62897125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810309720.4A Active CN108316945B (en) | 2018-04-09 | 2018-04-09 | Rectangular or special-shaped shield tunnel segment structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108316945B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1514009A (en) * | 1975-11-19 | 1978-06-14 | Voest Alpine Montan Ag | Lining ring segment for tunnels |
| CN201254992Y (en) * | 2008-08-29 | 2009-06-10 | 上海市城市建设设计研究院 | Whole round steel ring |
| CN102251784A (en) * | 2011-05-30 | 2011-11-23 | 中铁第四勘察设计院集团有限公司 | Double-layer lining shield tunnel duct piece and lining superposed structure |
| CN103557014A (en) * | 2013-10-21 | 2014-02-05 | 上海市政工程设计研究总院（集团）有限公司 | Duct piece structure applicable to rectangular tunnel and assembling method thereof |
| CN203702166U (en) * | 2013-10-21 | 2014-07-09 | 上海市政工程设计研究总院（集团）有限公司 | Segment lining ring structure applicable to rectangular tunnel |
| CN105484761A (en) * | 2015-04-16 | 2016-04-13 | 中铁隧道勘测设计院有限公司 | Lining structure of single-tube double-tunnel rectangular shield tunnel and assembly method thereof |
| CN106050263A (en) * | 2016-07-15 | 2016-10-26 | 苏州大学 | Shield tunnel segment structure and connecting structure thereof |
| CN107060816A (en) * | 2017-05-23 | 2017-08-18 | 中铁第四勘察设计院集团有限公司 | A kind of attachment structure suitable for tunnel duct piece longitudinal joint |
| CN208106438U (en) * | 2018-04-09 | 2018-11-16 | 中铁工程装备集团有限公司 | A kind of rectangle or special-shaped shield tunnel chip architecture |
-
2018
- 2018-04-09 CN CN201810309720.4A patent/CN108316945B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1514009A (en) * | 1975-11-19 | 1978-06-14 | Voest Alpine Montan Ag | Lining ring segment for tunnels |
| CN201254992Y (en) * | 2008-08-29 | 2009-06-10 | 上海市城市建设设计研究院 | Whole round steel ring |
| CN102251784A (en) * | 2011-05-30 | 2011-11-23 | 中铁第四勘察设计院集团有限公司 | Double-layer lining shield tunnel duct piece and lining superposed structure |
| CN103557014A (en) * | 2013-10-21 | 2014-02-05 | 上海市政工程设计研究总院（集团）有限公司 | Duct piece structure applicable to rectangular tunnel and assembling method thereof |
| CN203702166U (en) * | 2013-10-21 | 2014-07-09 | 上海市政工程设计研究总院（集团）有限公司 | Segment lining ring structure applicable to rectangular tunnel |
| CN105484761A (en) * | 2015-04-16 | 2016-04-13 | 中铁隧道勘测设计院有限公司 | Lining structure of single-tube double-tunnel rectangular shield tunnel and assembly method thereof |
| CN106050263A (en) * | 2016-07-15 | 2016-10-26 | 苏州大学 | Shield tunnel segment structure and connecting structure thereof |
| CN107060816A (en) * | 2017-05-23 | 2017-08-18 | 中铁第四勘察设计院集团有限公司 | A kind of attachment structure suitable for tunnel duct piece longitudinal joint |
| CN208106438U (en) * | 2018-04-09 | 2018-11-16 | 中铁工程装备集团有限公司 | A kind of rectangle or special-shaped shield tunnel chip architecture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108316945B (en) | 2024-06-25 |
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