CN108868820A - A kind of soft soil foundation shield tunnel subsidence control structure and application method - Google Patents
A kind of soft soil foundation shield tunnel subsidence control structure and application method Download PDFInfo
- Publication number
- CN108868820A CN108868820A CN201811159281.XA CN201811159281A CN108868820A CN 108868820 A CN108868820 A CN 108868820A CN 201811159281 A CN201811159281 A CN 201811159281A CN 108868820 A CN108868820 A CN 108868820A
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- Prior art keywords
- jurisdiction
- section
- tunnel
- pull rod
- anchor plate
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
Abstract
The invention discloses a kind of soft soil foundation shield tunnel subsidence control structure and application methods, including tunnel lining segment, along the pull rod that section of jurisdiction is arranged radially and the anchor plate in the soil body above tunnel vault, billet is equipped in tunnel vault section of jurisdiction inner wall, the billet is consistent with section of jurisdiction curvature, one end of the pull rod is connected with billet, and the other end is connected after passing through section of jurisdiction preformed hole and the soil body with anchor plate.For the present invention by the way that billet is arranged in tunnel vault section of jurisdiction inner wall, can be bonded well with section of jurisdiction becomes a whole stress system, enhances tunnel integral strength, controls tunnel differential subsidence；Tunnel vault section of jurisdiction and anchor plate are connected by pull rod, when section of jurisdiction sinks, the soil body of anchor plate dragging below sinks jointly, generate upward resistance, tunnel needs to drag the soil body below anchor plate again and sinks jointly if continuing sedimentation, tunnel subsidence amount can be reduced, to achieve the purpose that control tunnel subsidence.
Description
Technical field
The present invention relates to shield tunnel construction field, in particular to a kind of soft soil foundation shield tunnel subsidence control structure and
Application method.
Background technique
With the development of urban transportation, subway gradually obtains each metropolitan attention.During construction of subway, many shields
Structure tunnel will pass through soft stratum.In soft stratum, tunnel bottom soil body counter-force is always less than when not building tunnel herein
Original soil body gravity pressure, tunnel lower part soil body compression modulus decrease, and under the disturbance such as metro operation, tunnel lower part
Soil body secondary consolidation can carry out for a long time, and generated settling amount should not be overlooked.If the subway tunnel operation phase gradually generates relative settlement
Etc. diseases, Subway Tunnel Lining most probably bend destruction, bending tensioning, extrusion shearing, the disaster problems such as longitudinal fracture, it is right
The operation of subway brings great security risk, it is therefore necessary to carry out research control to tunnel subsidence.
Summary of the invention
Present invention aims at：It is less than tunneling shield section of jurisdiction gravity for soft soil foundation Shield Tunneling soil body gravity,
Cause sedimentation below tunnel, the problem of damaging to tunnel-liner, bring hidden danger to normal operation, provides a kind of soft soil foundation
Shield tunnel subsidence control structure, by the way that pull rod is arranged in tunnel vault, to tunnel duct piece is pulled in the soil body, to reach
The purpose of tunnel subsidence is controlled, which can play the effect of control settlement in soft soil base sedimentation critical regions.
To achieve the goals above, the technical solution adopted by the present invention is：
A kind of soft soil foundation shield tunnel subsidence control structure, including tunnel lining segment, the drawing being arranged radially along section of jurisdiction
Bar and the anchor plate in the soil body above tunnel vault, tunnel vault section of jurisdiction inner wall be equipped with billet, the billet with
Section of jurisdiction curvature is consistent, and one end of the pull rod is connected with billet, the other end pass through after section of jurisdiction preformed hole and the soil body with anchor plate
It is connected.
The present invention can since billet is consistent with section of jurisdiction curvature by the way that billet is arranged in tunnel vault section of jurisdiction inner wall
Being bonded well with section of jurisdiction becomes a whole stress system, enhances tunnel integral strength, controls tunnel differential subsidence；Pass through
Pull rod connects shield tunnel top section of jurisdiction and ground anchor plate, while section of jurisdiction sinks, the soil body of anchor plate dragging below
Common sinking, generates upward resistance, and tunnel needs to drag the soil body below anchor plate again and sink jointly, can subtract if continuing sedimentation
Pollen sterility settling amount, to achieve the purpose that control tunnel subsidence；It is big that range of grouting in the prior art is overcome simultaneously, slip casting pressure
Power is not easy to control, and the not strong disadvantage of economy, anti-settling structure is integrated with shield duct piece, and the measurement monitoring of practical settling amount
It is convenient.
As a preferred solution of the present invention, the pull rod is arranged within the scope of 20 ° of tunnel vault or so, it is possible to reduce pull rod
The horizontal component of generation makes pull rod, section of jurisdiction and anchor plate be in good force-bearing situation.
As a preferred solution of the present invention, more pull rods are equipped in each endless tube on piece, all pull rods are circumferentially
It in tunnel vault, can be improved to the pulling force at the top of section of jurisdiction, make section of jurisdiction circumferential direction stress equalization.
As a preferred solution of the present invention, wherein a pull rod is located at right above tunnel vault, remaining pull rod bilateral symmetry
Arrangement.Pull rod is arranged using this structure, pull rod stress can be optimized, while making section of jurisdiction uniform stressed, pulling force is avoided to concentrate
And cause section of jurisdiction impaired.
As a preferred solution of the present invention, corresponding tie rod hole is reserved on tunnel top section of jurisdiction, open pore size is 15~
25mm, the tie rod hole pass through section of jurisdiction convenient for pull rod and are attached with billet.
As a preferred solution of the present invention, the billet is that general steel plate is bent, and reserves tie rod hole, aperture size
It is identical as section of jurisdiction.
As a preferred solution of the present invention, the pull rod is made of the biggish steel of tensile strength, can bear compared with
Big pulling force avoids pull rod stress from deforming.
As a preferred solution of the present invention, the anchor plate is precast rc slab, and reserves tie rod hole, the anchoring
Plate is convenient for transporting to construction site after concentrating batch prefabricated, and cost is relatively low, and can improve construction efficiency, while can be according to Specific construction
It is required that situation adjusts anchor plate shapes and sizes specification, for providing pulling force for section of jurisdiction at the top of shield.
As a preferred solution of the present invention, the both ends of the pull rod and billet, anchor plate use anchorage to be attached anchor
Gu so that it is guaranteed that pull rod both ends are connected firmly.
The present invention also provides a kind of soft soil foundation shield tunnel subsidence control structure application methods, include the following steps：
A, prefabricated pipe section, billet and anchor plate and reserved tie rod hole, make pull rod and carry out antirust treatment；
B, assembled shield duct piece and progress dewatering construction；
C, ground slots and is put into anchor plate；
D, billet is installed on the inside of section of jurisdiction；
E, it is drilled by anchor plate preformed hole to section of jurisdiction direction, and is connected to section of jurisdiction preformed hole；
F, the embedded pull rod in drilling, and pull rod both ends and billet, anchor plate are anchored；
G, into anchoring board slot, concrete perfusion filling is closely knit.
The application method of the soft soil foundation shield tunnel subsidence control structure, passes through prefabricated pipe section, pull rod, billet and anchor
Fixed board and reserved tie rod hole, are conveniently transported to scene and are installed, dewatering construction is carried out after pipe sheet assembling, can be by water level control
In level of security, then slots on ground and be put into anchor plate, while billet being installed on the inside of section of jurisdiction, it is reserved by anchor plate
Hole drills to section of jurisdiction direction, and is connected to section of jurisdiction preformed hole, while the embedded pull rod in drilling, and by pull rod both ends and steel
Backing plate, anchor plate anchoring, and by anchoring board slot in concrete perfusion clog it is closely knit, make anchor plate with the soil body in conjunction with more preferably,
It is entirely simple using installation method, it is easy to implement, can effectively control the settlement issues of soft soil foundation shield tunnel.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1, the present invention is by being arranged billet, since billet is consistent with section of jurisdiction curvature, energy in tunnel vault section of jurisdiction inner wall
Enough be bonded well with section of jurisdiction becomes a whole stress system, enhances tunnel integral strength, controls tunnel differential subsidence；
2, shield tunnel top section of jurisdiction and ground anchor plate are connected by pull rod, while section of jurisdiction sinks, anchor plate is dragged
The dynamic soil body below sinks jointly, generates upward resistance, and tunnel needs to drag necromancer under anchor plate again if continuing sedimentation
Body sinks jointly, can reduce tunnel subsidence amount, to achieve the purpose that control tunnel subsidence；
3, present invention also overcomes range of grouting in the prior art is big, grouting pressure is not easy to control, and economy is not strong
Disadvantage, anti-settling structure are integrated with shield duct piece, and practical settling amount measurement monitoring side is just.
Detailed description of the invention
Fig. 1 is soft soil foundation shield tunnel subsidence control structure perspective view of the present invention.
Fig. 2 is the sectional schematic diagram in Fig. 1.
Fig. 3 is the anchor slab schematic diagram in the present invention.
Fig. 4 is pull rod and section of jurisdiction connection schematic diagram in the present invention.
It is marked in figure：1- anchor plate, 2- pull rod, 3- billet, 4- anchorage, the section of jurisdiction 5-, 6- drilling, 7- anchor head, 8- anchor slab.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Embodiment 1
The present embodiment provides a kind of soft soil foundation shield tunnel subsidence control structures；
As Figure 1-Figure 4, the soft soil foundation shield tunnel subsidence control structure in the present embodiment, including tunnel-liner pipe
Piece 5, the anchor plate 1 along the pull rod 2 that section of jurisdiction is arranged radially and in the soil body above tunnel vault, in tunnel vault section of jurisdiction inner wall
Equipped with billet 3, the billet 3 is consistent with 5 curvature of section of jurisdiction, and one end of the pull rod 2 is connected with billet, and the other end passes through
It is connected after section of jurisdiction preformed hole and the soil body with anchor plate 1.
The present invention can since billet is consistent with section of jurisdiction curvature by the way that billet is arranged in tunnel vault section of jurisdiction inner wall
Being bonded well with section of jurisdiction becomes a whole stress system, enhances tunnel integral strength, controls tunnel differential subsidence；Pass through
Pull rod connects shield tunnel top section of jurisdiction and ground anchor plate, while section of jurisdiction sinks, the soil body of anchor plate dragging below
Common sinking, generates upward resistance, and tunnel needs to drag the soil body below anchor plate again and sink jointly, can subtract if continuing sedimentation
Pollen sterility settling amount, to achieve the purpose that control tunnel subsidence；It is big that range of grouting in the prior art is overcome simultaneously, slip casting pressure
Power is not easy to control, and the not strong disadvantage of economy, anti-settling structure is integrated with shield duct piece, and the measurement monitoring of practical settling amount
It is convenient.
In the present embodiment, the pull rod 2 is arranged within the scope of 20 ° of tunnel vault or so, it is possible to reduce the water that pull rod generates
Divide power equally, pull rod, section of jurisdiction and anchor plate is made to be in good force-bearing situation.
In the present embodiment, three pull rods 2 are equipped on each endless tube piece 5, all pull rods circumferentially encircle in tunnel
Top, can be improved to the pulling force at the top of section of jurisdiction, make section of jurisdiction circumferential direction stress equalization, wherein a pull rod be located at tunnel vault just on
Side, remaining pull rod are symmetrically arranged.Pull rod is arranged using this structure, pull rod stress can be optimized, while keeping section of jurisdiction equal
Even stress avoids pulling force from concentrating and causes section of jurisdiction impaired.
In the present embodiment, corresponding tie rod hole is reserved on tunnel top section of jurisdiction 5, open pore size is 15~25mm, the drawing
Rod aperture passes through section of jurisdiction convenient for pull rod and is attached with billet.
In the present embodiment, the billet 3 is that general steel plate is bent, and reserves tie rod hole, aperture size and section of jurisdiction phase
Together, it is attached by bolt and section of jurisdiction.
In the present embodiment, the pull rod 2 is made of the biggish steel of tensile strength, can bear biggish pulling force,
Avoid pull rod stress from deforming, the stronger reinforcing bar of tensile capacity can be directly used and made, the effect of pull rod be in order to
Top anchor plate is connected, so that it is connected as an entirety with duct pieces of shield tunnel, pull rod transmits upward pulling force to shield duct piece.
In the present embodiment, the anchor plate 1 is precast rc slab, and reserved tie rod hole, the anchor plate are convenient for collection
Construction site is transported to after middle batch is prefabricated, cost is relatively low, and can improve construction efficiency, while can require situation according to Specific construction
It adjusts anchor plate shapes and sizes specification, for providing upward pulling force for section of jurisdiction at the top of shield, while effectively reducing ground
Disturbance of the load to tunnel.
In the present embodiment, the both ends of the pull rod 2 are corresponding to be attached anchoring using anchorage 4 with billet 3, anchor plate 1,
So that it is guaranteed that pull rod both ends are connected firmly.Anchorage 4 is made of anchor head 7 and anchor slab 8 in the present embodiment, and anchor head 7 is can be in pull rod
The hex nut of heart rotation, will not move horizontally；Anchor slab is made of material identical with billet, in the present embodiment
It arches upward in the middle part of anchor slab 8, can make to better contact with by anchoring piece, while the anti-pressure ability of anchor slab can be improved, and at center
Position reserves the hole being adapted with pull rod, and for assembling one on the inside of fixed shield duct piece pull rod, the size of preformed hole is needed
Strictly it is consistent with pull rod, and anchor slab bending amplitude height is bonded billet, reaches expected and reinforce purpose.
Embodiment 2
The present embodiment provides a kind of soft soil foundation shield tunnel subsidence control structure application methods；
As Figure 1-Figure 4, the soft soil foundation shield tunnel subsidence control structure application method in the present embodiment, including with
Lower step：
A, prefabricated pipe section 5, billet 3 and anchor plate 1 and reserved tie rod hole, make pull rod 2 and carry out antirust treatment.Section of jurisdiction
It being made and is formed by high-precision punching block of armored concrete, corresponding tie rod hole is reserved in top section of jurisdiction, and open pore size is 15~
25mm；Billet is bent in advance using common steel disc, reserves tie rod hole, aperture size is identical as section of jurisdiction aperture size, curved
Curved shape can be bonded closely with section of jurisdiction；Anchor plate is precast rc slab, and reserved tie rod hole, can be wanted according to Specific construction
Condition of pleading adjusts anchor plate shapes and sizes specification；Pull rod is made of the biggish reinforcing bar of tensile strength, and top is prefabricated with bottom end
Bolt slot transmits upward pulling force for being connected and fixed section of jurisdiction and anchor plate for section of jurisdiction.
B, assembled shield duct piece and progress dewatering construction.It is tunneled according to Tunnel Design axis high-precision, to very heavy at shield tail
When top outreach meets pipe sheet assembling requirement, duct pieces of shield tunnel is carried out according to section of jurisdiction piecemeal situation and the block positioning scenarios that bind
Lining cutting is assembled.Segment assembly is carried out according to specification process, and strict control tunnel Forming Quality, it is desirable that in lining segment must not have
Outer through crack or width are greater than the crack of 0.2mm, while the plan-position of tunnel axis and elevation tolerance need to control
Within ± 50mm.After Tunnel is logical, tunnel top temporary construction instrument is removed, and clear up as required tunnel internal；
Dewatering construction is carried out simultaneously, by water level control in level of security, it is ensured that safety when section of jurisdiction preformed hole is opened, and meet drilling and want
It asks.
C, according to design requirement, corresponding ground excavates anchor plate placing groove where tunnel, and is put into anchor plate 1；
D, billet 3 is installed on the inside of section of jurisdiction 5.In section of jurisdiction, inner wall lays prefabricated billet, is directed at billet and pipe
The preformed hole of on piece tightens the bolt of fixed section of jurisdiction and billet, it should be specifically noted that by the reserved circular hole of steel disc and shield duct piece
Installation fixation is carried out after alignment again.
E, it is drilled by anchor plate preformed hole to section of jurisdiction direction, and is connected to section of jurisdiction preformed hole.Using drilling machine into
Row drilling construction should carry out borehole cleaning by fixed drilling machine to reach into orifice angle and depth immediately after the completion of pore-forming.
F, pull rod 2 is buried in drilling 6, and 2 both ends of pull rod and billet 3, anchor plate 1 are anchored.Shield tunnel is installed
Inside anchor slab, pre-adjustment pull rod bury angle, tighten anchor head on the inside of shield duct piece；Pull rod is connect with ground anchor plate, is tightened
Anchor head on anchor plate.
G, into anchoring board slot, concrete perfusion filling is closely knit, make anchor plate with the soil body in conjunction with more preferably, while can be to avoid
Hole between anchor plate and slot seeps water.
Shield tunnel draw-in bar end is encapsulated, repeats above-mentioned steps until shield tunnel lower part soil layer changes, no longer
Need settlement Control.
The application method of the soft soil foundation shield tunnel subsidence control structure, passes through prefabricated pipe section, pull rod, billet and anchor
Fixed board and reserved tie rod hole, are conveniently transported to scene and are installed, dewatering construction is carried out after pipe sheet assembling, can be by water level control
In level of security, then slots on ground and be put into anchor plate, while billet being installed on the inside of section of jurisdiction, it is reserved by anchor plate
Hole drills to section of jurisdiction direction, and is connected to section of jurisdiction preformed hole, while the embedded pull rod in drilling, and by pull rod both ends and steel
Backing plate, anchor plate anchoring, and by anchoring board slot in concrete perfusion clog it is closely knit, make anchor plate with the soil body in conjunction with more preferably,
It is entirely simple using installation method, it is easy to implement, can effectively control the settlement issues of soft soil foundation shield tunnel.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in original of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within reason.
Claims (10)
1. a kind of soft soil foundation shield tunnel subsidence control structure, which is characterized in that including tunnel lining segment, along section of jurisdiction radial direction
The pull rod of setting and the anchor plate in the soil body above tunnel vault are equipped with billet in tunnel vault section of jurisdiction inner wall, described
Billet is consistent with section of jurisdiction curvature, and one end of the pull rod is connected with billet, after the other end passes through section of jurisdiction preformed hole and the soil body
It is connected with anchor plate.
2. soft soil foundation shield tunnel subsidence control structure according to claim 1, which is characterized in that the pull rod arrangement
Within the scope of 20 ° of tunnel vault or so.
3. soft soil foundation shield tunnel subsidence control structure according to claim 1, which is characterized in that in each endless tube piece
More pull rods are equipped with, all pull rods are circumferentially in tunnel vault.
4. soft soil foundation shield tunnel subsidence control structure according to claim 3, which is characterized in that a wherein pull rod
Right above tunnel vault, remaining pull rod is symmetrically arranged.
5. soft soil foundation shield tunnel subsidence control structure according to claim 1, which is characterized in that in tunnel top pipe
On piece reserves corresponding tie rod hole, and open pore size is 15~25mm.
6. soft soil foundation shield tunnel subsidence control structure according to claim 1, which is characterized in that the billet is
General steel plate is bent, and reserves tie rod hole, and aperture size is identical as section of jurisdiction.
7. soft soil foundation shield tunnel subsidence control structure according to claim 1, which is characterized in that the pull rod is anti-
The biggish steel of tensile strength are made.
8. soft soil foundation shield tunnel subsidence control structure according to claim 1, which is characterized in that the anchor plate is
Precast rc slab, and reserved tie rod hole.
9. soft soil foundation shield tunnel subsidence control structure according to claim 1, which is characterized in that the two of the pull rod
End is attached anchoring using anchorage with billet, anchor plate.
10. a kind of soft soil foundation shield tunnel subsidence control structure application method, which is characterized in that include the following steps：
A, prefabricated pipe section, billet and anchor plate and reserved tie rod hole, make pull rod and carry out antirust treatment；
B, assembled shield duct piece and progress dewatering construction；
C, ground slots and is put into anchor plate；
D, billet is installed on the inside of section of jurisdiction；
E, it is drilled by anchor plate preformed hole to section of jurisdiction direction, and is connected to section of jurisdiction preformed hole；
F, the embedded pull rod in drilling, and pull rod both ends and billet, anchor plate are anchored；
G, into anchoring board slot, concrete perfusion filling is closely knit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811159281.XA CN108868820A (en) | 2018-09-30 | 2018-09-30 | A kind of soft soil foundation shield tunnel subsidence control structure and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811159281.XA CN108868820A (en) | 2018-09-30 | 2018-09-30 | A kind of soft soil foundation shield tunnel subsidence control structure and application method |
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| CN108868820A true CN108868820A (en) | 2018-11-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137273A (en) * | 2021-04-08 | 2021-07-20 | 苏州中车建设工程有限公司 | Large-diameter shield tunnel deformation control structure and construction method thereof |
| CN113833478A (en) * | 2021-08-10 | 2021-12-24 | 浙江理工大学 | Mechanism for preventing shield machine from sinking when shut down in shield tunnel of soft soil foundation |
| CN113982625A (en) * | 2021-10-12 | 2022-01-28 | 中国化学工程第十六建设有限公司 | Reinforcing device and method for preventing subway tunnel from settling in soft soil |
| CN114135312A (en) * | 2021-12-06 | 2022-03-04 | 同济大学 | Double-connecting-rod assembled reinforcing structure |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08170484A (en) * | 1994-12-19 | 1996-07-02 | Shimizu Corp | Construction method of large cross section tunnel |
| WO2006057545A1 (en) * | 2004-11-29 | 2006-06-01 | Dong-Hyun Seo | Tunnelling method using pre-support concept and an adjustable apparatus thereof |
| CN101392654A (en) * | 2008-10-30 | 2009-03-25 | 上海大学 | Shield tunnel segment lining-anchor rod structure system |
| KR20090132033A (en) * | 2008-06-20 | 2009-12-30 | 주식회사 스마텍엔지니어링 | The support material for a tunnel and tunnel support structure |
| CN102226407A (en) * | 2011-05-23 | 2011-10-26 | 中铁二院工程集团有限责任公司 | Four-line large-span tunnel cable-arch combined primary support structure |
| CN104120731A (en) * | 2014-07-24 | 2014-10-29 | 黄俊文 | Tunnel settlement protecting device and construction method thereof |
| WO2015083972A1 (en) * | 2013-12-04 | 2015-06-11 | 한국건설기술연구원 | Tunnel which integrates active reinforcing member and shotcrete by wire-net, and construction method therefor |
| CN104963338A (en) * | 2015-04-30 | 2015-10-07 | 大连交通大学 | Novel anchor head structure used for slope support and construction method thereof |
| CN105971611A (en) * | 2016-05-25 | 2016-09-28 | 中车建设工程有限公司 | Roadbed settlement control method for subway tunnel passing under existing trunk railway closely |
| CN205778943U (en) * | 2016-05-31 | 2016-12-07 | 中交隧道工程局有限公司 | A kind of duct pieces of shield tunnel that is applicable to settles the lifting system transfinited |
| US20180252104A1 (en) * | 2015-11-25 | 2018-09-06 | Dong-Hyun Seo | Tunnel construction method using pre-support and post-support and apparatus suitable for same |
| CN209067221U (en) * | 2018-09-30 | 2019-07-05 | 西南石油大学 | A kind of soft soil foundation shield tunnel subsidence control structure |
-
2018
- 2018-09-30 CN CN201811159281.XA patent/CN108868820A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08170484A (en) * | 1994-12-19 | 1996-07-02 | Shimizu Corp | Construction method of large cross section tunnel |
| WO2006057545A1 (en) * | 2004-11-29 | 2006-06-01 | Dong-Hyun Seo | Tunnelling method using pre-support concept and an adjustable apparatus thereof |
| JP2011052536A (en) * | 2004-11-29 | 2011-03-17 | Seo Dong Hyun | Tip supporting tunnel construction method of large cross-section tunnel |
| KR20090132033A (en) * | 2008-06-20 | 2009-12-30 | 주식회사 스마텍엔지니어링 | The support material for a tunnel and tunnel support structure |
| CN101392654A (en) * | 2008-10-30 | 2009-03-25 | 上海大学 | Shield tunnel segment lining-anchor rod structure system |
| CN102226407A (en) * | 2011-05-23 | 2011-10-26 | 中铁二院工程集团有限责任公司 | Four-line large-span tunnel cable-arch combined primary support structure |
| WO2015083972A1 (en) * | 2013-12-04 | 2015-06-11 | 한국건설기술연구원 | Tunnel which integrates active reinforcing member and shotcrete by wire-net, and construction method therefor |
| CN104120731A (en) * | 2014-07-24 | 2014-10-29 | 黄俊文 | Tunnel settlement protecting device and construction method thereof |
| CN104963338A (en) * | 2015-04-30 | 2015-10-07 | 大连交通大学 | Novel anchor head structure used for slope support and construction method thereof |
| US20180252104A1 (en) * | 2015-11-25 | 2018-09-06 | Dong-Hyun Seo | Tunnel construction method using pre-support and post-support and apparatus suitable for same |
| CN105971611A (en) * | 2016-05-25 | 2016-09-28 | 中车建设工程有限公司 | Roadbed settlement control method for subway tunnel passing under existing trunk railway closely |
| CN205778943U (en) * | 2016-05-31 | 2016-12-07 | 中交隧道工程局有限公司 | A kind of duct pieces of shield tunnel that is applicable to settles the lifting system transfinited |
| CN209067221U (en) * | 2018-09-30 | 2019-07-05 | 西南石油大学 | A kind of soft soil foundation shield tunnel subsidence control structure |
Non-Patent Citations (1)
| Title |
|---|
| 张军伟等: "我国隧道施工坍塌事故分布特征分析(2006-2016)", 《灾害学》, vol. 2, pages 132 - 137 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137273A (en) * | 2021-04-08 | 2021-07-20 | 苏州中车建设工程有限公司 | Large-diameter shield tunnel deformation control structure and construction method thereof |
| CN113833478A (en) * | 2021-08-10 | 2021-12-24 | 浙江理工大学 | Mechanism for preventing shield machine from sinking when shut down in shield tunnel of soft soil foundation |
| CN113833478B (en) * | 2021-08-10 | 2023-12-12 | 浙江理工大学 | Mechanism for preventing shield machine from sinking during stop of shield tunnel of soft soil foundation |
| CN113982625A (en) * | 2021-10-12 | 2022-01-28 | 中国化学工程第十六建设有限公司 | Reinforcing device and method for preventing subway tunnel from settling in soft soil |
| CN114135312A (en) * | 2021-12-06 | 2022-03-04 | 同济大学 | Double-connecting-rod assembled reinforcing structure |
| CN114135312B (en) * | 2021-12-06 | 2022-08-09 | 同济大学 | Double-connecting-rod assembled reinforcing structure |
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