CN107524169A - FS final spice installation method - Google Patents
FS final spice installation method Download PDFInfo
- Publication number
- CN107524169A CN107524169A CN201710780298.6A CN201710780298A CN107524169A CN 107524169 A CN107524169 A CN 107524169A CN 201710780298 A CN201710780298 A CN 201710780298A CN 107524169 A CN107524169 A CN 107524169A
- Authority
- CN
- China
- Prior art keywords
- final spice
- immersed tube
- final
- spice
- installation method
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/063—Tunnels submerged into, or built in, open water
- E02D29/073—Tunnels or shuttering therefor assembled from sections individually sunk onto, or laid on, the water-bed, e.g. in a preformed trench
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
Abstract
The invention discloses FS final spice installation method, comprises the following steps A handling FS final spice sinkings；The guide rod set on B handling FS final spices is put into guide carriage groove；C handlings FS final spice contacts bedding；D adjusts position of the guide rod in guide carriage groove, completes regulation of the FS final spice with respect to the lateral attitude of immersed tube；The hydraulic jack set in E FS final spice both ends of the surface ejects and contacts corresponding immersed tube end face, and FS final spice is concordant with two section immersed tube adjustment；F sides hydraulic jack pushing tow immersed tube end face, the hydraulic jack respective synchronization of opposite side are shunk, and are made FS final spice equal with the spacing of two section immersed tube, are completed regulation of the FS final spice with respect to the lengthwise position of immersed tube；G pushing tow girder pushing tow waterstops are brought into close contact in immersed tube end face, form engagement cavity, isolate seawater inside and outside tube coupling；H is to engagement cavity draining；I sets rigid connection head connection FS final spice and immersed tube, and the slip casting into rigid connection head in pushing tow girder inner ring, completes the installation of FS final spice.
Description
Technical field
The present invention relates to Construction of Submarine Tunnel field, more particularly to a kind of FS final spice installation method.
Background technology
Immersed tunnelling method constructing tunnel, exactly partly latent refute or dry-docking in prefabricated tunnel caisson difference transportation by driving to making a reservation for
The docking of position sinking, is longer than the metric space of the pipeline section to make the sinking of final section pipeline section smoothly to leave, the remainder away from
Pipeline section from the sinking docking of space institute is considered as the equal Immersed tunnel in both ends of FS final spice, i.e. tunnel connection, and in marine docking
Close up, the last pipeline section that closes up is FS final spice.The immersed tube tunnel final joint is the key of immersed tube tunnel construction, particularly
Off-lying sea overlength immersed tube tunnel construction, job site operating condition is difficult, is faced with the marine environment bars such as wave and the ocean current of complexity
Part and meteorological condition.
How FS final spice to be smoothly installed between two section immersed tube, realize FS final spice with two section immersed tube smoothly dock and
Insertion, the problem of turning into urgent need to resolve.
The content of the invention
It is an object of the invention to solve between FS final spice is smoothly installed to two section immersed tube, to realize FS final spice and two sections
Immersed tube smoothly docking and insertion, a kind of the problem of turning into urgent need to resolve, there is provided FS final spice installation method.
In order to realize foregoing invention purpose, the invention provides following technical scheme：
A kind of FS final spice installation method, comprises the following steps：
A, handling FS final spice sinking；
B, the guide rod set described in handling on FS final spice is put into the guide carriage groove set on immersed tube；
C, FS final spice described in handling contacts bedding；
Herein, FS final spice contact bedding but still by handling appliance pulling force, utilize the FS final spice and bedding
Frictional force, prevent the FS final spice from being caused to adjust transition and be difficult to control by water currents when sub-sea location adjusts, and
Prevent the FS final spice from excessively being waved in adjustment using frictional force.
D, position of the guide rod in guide carriage groove is adjusted, completes the transverse direction of the relatively described immersed tube of the FS final spice
The regulation of position；
E, after the regulation in place of the FS final spice lateral attitude, several liquid for being set in the FS final spice both ends of the surface
Pressure jack ejects and contacts the corresponding immersed tube end face, and the FS final spice is concordant with the two section immersed tube adjustment；
F, immersed tube end face described in hydraulic jack pushing tow described in side, the hydraulic jack respective synchronization of opposite side are received
Contracting, make the FS final spice equal with the spacing of the two section immersed tube, complete the longitudinal direction of the relatively described immersed tube of the FS final spice
The regulation of position；
G, pushing tow girder pushing tow waterstop is brought into close contact in the immersed tube end face, forms engagement cavity, isolates sea inside and outside tube coupling
Water；
H, to the engagement cavity draining；
I, rigid connection head is set to connect the FS final spice and the immersed tube in the pushing tow girder inner ring, and to the rigid connection
Slip casting in head, completes the installation of the FS final spice.
Wherein, the transverse direction in the regulation of the lateral attitude refers in horizontal plane perpendicular to the immersed tube axially direction,
Longitudinal direction in the regulation of the lengthwise position refers to the axial direction of the FS final spice and the immersed tube；The length of the FS final spice
Less than the spacing of the two interfaced section immersed tube, after the FS final spice is installed in place, the FS final spice both ends point
Pushing tow girder pushing tow described in the closed circular not set simultaneously drives the waterstop of closed circular to be brought into close contact in the immersed tube
End face, the FS final spice is set to be docked with the immersed tube, the pushing tow girder is arranged in the cell body on the FS final spice, institute
The cross section for stating cell body and the pushing tow girder is annular；Shape between the FS final spice and the respective end seal door of the immersed tube
Into the engagement cavity；The guide rod is set at the top of the FS final spice, and immersed tube top corresponding position sets the guiding support
Frame, the guide rod are adapted to the guide carriage, several hydraulic jacks are set in the FS final spice both ends of the surface.
Using FS final spice installation method of the present invention, due to the FS final spice during subsea tunnel construction
Abutting joint quality directly influences that can seabed tunnel penetrate and can seabed tunnel reach design service life, this method
FS final spice simply accurately can be smoothly installed between two section immersed tube by clear principle, step, realize FS final spice and two sections
Immersed tube smoothly docking and insertion.
Preferably, when performing the step A, once the FS final spice exists for the FS final spice often sinking 8-12m regulations
Position in the horizontal plane, to match the position between the FS final spice and the two section immersed tube.
Preferably, the guide carriage groove both sides are oppositely arranged two piston cylinders, in the step D, described in two
Piston cylinder stretches out and contacts the guide rod, guide rod described in piston cylinder pushing tow described in side, and piston cylinder described in opposite side is corresponding
Synchronous, position of the guide rod in the guide carriage groove is adjusted with this.
Preferably, after completing the step I, covering backfill is carried out to the immersed tube exposed part and the FS final spice,
Ballast backfill is carried out after the covering backfill.
Preferably, after performing the step G, diver is confirmed between the waterstop nose and the corresponding immersed tube end
It is not mingled with foreign matter, then performs the step H.
Preferably, the FS final spice by barging to specified marine site, then by hanging ship handling sinking.
Preferably, when performing the step D, diver's secondary satellite alignment system is surveyed to the position of the guide rod
Amount confirms.
Preferably, when performing the step F, diver's secondary satellite alignment system is to described in the FS final spice and two sections
The spacing of immersed tube measures confirmation.
Preferably, the engagement cavity pressure is adjusted when performing the step H, while draining, is made in the engagement cavity
Pressure steadily drops to atmospheric pressure by residing seabed hydraulic pressure.
Preferably, the step H comprises the following steps：
H1, pressure regulation draining, the water of total Water 1/5-1/2 in the engagement cavity is discharged by pressure difference, makes the engagement cavity
Interior pressure value is progressively down to atmospheric pressure and connects air；
H2, ballast pump drainage, by remaining water in the engagement cavity by ballast pumped.
Preferably, after completing the step H2, confirm that the watertight situation of the engagement cavity meets design requirement, using sweeping storehouse
Pump discharges remaining water in the engagement cavity.
Preferably, be provided with air compressor machine in the immersed tube, it is described it is used for air compressor in the step H1 into the engagement cavity
Input gas pressure regulation.
Preferably, end seal door is provided with first pressure table, and the first pressure table is used to monitor the reality in the engagement cavity
When pressure.
Preferably, the air compressor machine is provided with second pressure gauge, perform before the step H1 to the first pressure table and
The initial pressure of the second pressure gauge is demarcated.
Preferably, several anticollison blocks are equipped with two end faces of the FS final spice, prevent the FS final spice from hanging
During fortune matching immersed tube the collision of the FS final spice and the immersed tube cause the FS final spice and/or the immersed tube displacement or
Person's structure is destroyed.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1st, with FS final spice installation method of the present invention, due to the FS final spice during subsea tunnel construction
Abutting joint quality directly influence that can seabed tunnel penetrate and can seabed tunnel reach design service life, the party
FS final spice simply accurately can be smoothly installed between two section immersed tube by method clear principle, step, realize FS final spice and two
Save immersed tube smoothly docking and insertion；
2nd, contact bedding with FS final spice installation method of the present invention, the FS final spice but still by handling appliance
Pulling force, using the frictional force of the FS final spice and bedding, prevent the FS final spice when sub-sea location adjusts by current shadow
Pilot causes adjustment transition and is difficult to control, and prevents the FS final spice from excessively being waved in adjustment using frictional force.
Brief description of the drawings
Fig. 1 is the structural representation of FS final spice and immersed tube；
Fig. 2 is Fig. 1 partial top view；
Fig. 3 is the structural representation of pushing tow girder；
Fig. 4 is FS final spice end structure illustration；
Fig. 5 is the schematic flow sheet of FS final spice installation method of the present invention.
Marked in figure：1- FS final spices, 11- pushing tow girders, 2- immersed tube, 3- waterstops, 41- guide rods, 42- are oriented to support
Frame, 43- hydraulic jacks, 44- piston cylinders, 5- end seal doors, 51- first pressure tables, 6- engagement cavities.
Embodiment
With reference to test example and embodiment, the present invention is described in further detail.But this should not be understood
Following embodiment is only limitted to for the scope of the above-mentioned theme of the present invention, it is all that this is belonged to based on the technology that present invention is realized
The scope of invention.
Embodiment
As Figure 1-5, FS final spice installation method of the present invention, comprises the following steps：
A, the sinking of handling FS final spice 1；
B, the guide rod 41 set described in handling on FS final spice 1 is put into the groove of guide carriage 42 set on immersed tube 2；
C, FS final spice 1 described in handling contacts bedding；
Herein, the FS final spice 1 contacts bedding but still by handling appliance pulling force, utilizes the FS final spice 1 and bedding
Frictional force, prevent the FS final spice 1 from being caused to adjust transition and whard to control by water currents when sub-sea location adjusts,
And prevent the FS final spice 1 from excessively being waved in adjustment using frictional force.
D, position of the guide rod 41 in the groove of guide carriage 42 is adjusted, completes the relatively described immersed tube 2 of the FS final spice 1
Lateral attitude regulation；
E, after the lateral attitude of FS final spice 1 regulation in place after, set in the both ends of the surface of FS final spice 1 several
Hydraulic jack 43 is ejected and contacts the corresponding end face of immersed tube 2, and the FS final spice 1 and the two section immersed tube 2 are adjusted
Concordantly；
F, the end face of immersed tube 2 described in the pushing tow of hydraulic jack 43 described in side, the hydraulic jack 43 of opposite side are corresponding
Synchronous, make the FS final spice 1 equal with the spacing of the two section immersed tube 2, it is relatively described heavy to complete the FS final spice 1
The regulation of the lengthwise position of pipe 2；
G, the pushing tow waterstop 3 of pushing tow girder 11 is brought into close contact in the end face of immersed tube 2, forms engagement cavity 6, is isolated in tube coupling
Outer seawater；
H, to the draining of engagement cavity 6；
I, rigid connection head is set to connect the FS final spice 1 and the immersed tube 2 in the inner ring of pushing tow girder 11, and to described
Slip casting in rigid connection head, complete the installation of the FS final spice 1.
Wherein, the transverse direction in the regulation of the lateral attitude refers in horizontal plane perpendicular to the axially direction of immersed tube 2,
Longitudinal direction in the regulation of the lengthwise position refers to the axial direction of the FS final spice 1 and the immersed tube 2；The FS final spice 1
Length is less than the spacing of the two interfaced section immersed tube 2, after the FS final spice 1 is installed in place, the FS final spice 1
The pushing tow of pushing tow girder 11 described in the closed circular that both ends are set respectively and drive closed circular the waterstop 3 be brought into close contact in
The end face of immersed tube 2, makes the FS final spice 1 be docked with the immersed tube 2, and the pushing tow girder 11 is arranged on the FS final spice
In cell body on 1, the cross section of the cell body and the pushing tow girder 11 is annular；The FS final spice 1 and the immersed tube 2
The engagement cavity 6 is formed between respective end seal door 5；The top of FS final spice 1 sets the guide rod 41, the immersed tube 2
Top corresponding position sets the guide carriage 42, and the guide rod 41 is adapted to the guide carriage 42, the both ends of FS final spice 1
Several hydraulic jacks 43 are set on face.
As a preferred scheme of the present embodiment, when performing the step A, often sinking 10m is adjusted the FS final spice 1
Once position of the FS final spice 1 in the horizontal plane, saved with matching the FS final spice 1 and two between the immersed tube 2
Position.The groove both sides of guide carriage 42 are oppositely arranged two piston cylinders 44, in the step D, two piston cylinders
44 stretch out and contact the guide rod 41, guide rod 41 described in the pushing tow of piston cylinder 44 described in side, piston cylinder 44 described in opposite side
Respective synchronization is shunk, and position of the guide rod 41 in the groove of guide carriage 42 is adjusted with this.Complete the step I
Afterwards, covering backfill is carried out to the exposed part of immersed tube 2 and the FS final spice 1, ballast backfill is carried out after the covering backfill.
After performing the step G, diver confirms not to be mingled with foreign matter between the nose of waterstop 3 and the corresponding end of immersed tube 2,
The step H is performed again.The FS final spice 1 by barging to specified marine site, then by hanging ship handling sinking.Perform the step
During rapid D, diver's secondary satellite alignment system measures confirmation to the position of the guide rod 41.When performing the step F,
The spacing that diver's secondary satellite alignment system saves the immersed tube 2 to the FS final spice 1 and two measures confirmation.
As a preferred scheme of the present embodiment, the engagement cavity 6 is adjusted when performing the step H, while draining
Interior pressure, pressure in the engagement cavity 6 is set steadily to drop to atmospheric pressure by residing seabed hydraulic pressure, the step H includes following step
Suddenly：
H1, pressure regulation draining, the water of total Water 1/5-1/2 in the engagement cavity 6 is discharged by pressure difference, makes the engagement cavity
Pressure value is progressively down to atmospheric pressure and connects air in 6；
H2, ballast pump drainage, by remaining water in the engagement cavity 6 by ballast pumped.
Wherein, after completing the step H2, confirm that the watertight situation of the engagement cavity 6 meets design requirement, using sweeping storehouse
Pump discharges remaining water in the engagement cavity 6.
As a preferred scheme of the present embodiment, air compressor machine is provided with the immersed tube 2, it is described used for air compressor in the step
In rapid H1 gas pressure regulation is inputted into the engagement cavity 6；End seal door 5 is provided with first pressure table 51, the first pressure table 51
For monitoring the real-time pressure in the engagement cavity 6；The air compressor machine is provided with second pressure gauge, and it is right before the step H1 to perform
The first pressure table 51 and the initial pressure of the second pressure gauge are demarcated.Two end faces of the FS final spice 1
On be equipped with several anticollison blocks, the FS final spice 1 and the immersed tube 2 when preventing the handling of FS final spice 1 matching immersed tube 2
Collision cause the FS final spice 1 and/or the displacement of the immersed tube 2 or structure to destroy.
With the installation method of FS final spice 1 of the present invention, due to the FS final spice 1 during subsea tunnel construction
Abutting joint quality directly influence that can seabed tunnel penetrate and can seabed tunnel reach design service life, the party
Method clear principle, between FS final spice 1 simply accurately smoothly can be installed to two section immersed tube 2 by step, realize FS final spice 1 with
Smoothly docking and the insertion of two section immersed tube 2.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of FS final spice installation method, it is characterised in that comprise the following steps：
A, handling FS final spice (1) sinking；
B, it is recessed that the guide rod (41) set on FS final spice described in handling (1) is put into the guide carriage (42) set on immersed tube (2)
In groove；
C, FS final spice described in handling (1) contact bedding；
D, position of the guide rod (41) in guide carriage (42) groove is adjusted, it is relatively described heavy to complete the FS final spice (1)
Manage the regulation of the lateral attitude of (2)；
E, after the FS final spice (1) lateral attitude regulation in place after, set in FS final spice (1) both ends of the surface several
Hydraulic jack (43) ejects and contacts corresponding immersed tube (2) end face, by the FS final spice (1) and the two section immersed tube
(2) adjustment is concordant；
F, immersed tube (2) end face described in hydraulic jack described in side (43) pushing tow, the hydraulic jack (43) phase of opposite side
Synchronous is answered, makes the FS final spice (1) equal with the spacing of the two section immersed tube (2), completes the FS final spice (1) phase
Regulation to the lengthwise position of the immersed tube (2)；
G, pushing tow girder (11) pushing tow waterstop (3) is brought into close contact in the immersed tube (2) end face, forms engagement cavity (6), isolated tube
Seawater inside and outside section；
H, to the engagement cavity (6) draining；
I, rigid connection head is set to connect the FS final spice (1) and the immersed tube (2) in pushing tow girder (11) inner ring, and to institute
Slip casting in rigid connection head is stated, completes the installation of the FS final spice (1).
2. FS final spice installation method according to claim 1, it is characterised in that described final when performing the step A
Often sinking 8-12m adjusts once position of the FS final spice (1) in the horizontal plane to joint (1).
3. FS final spice installation method according to claim 1, it is characterised in that guide carriage (42) the groove both sides
Two piston cylinders (44) are oppositely arranged, in the step D, two piston cylinders (44) are stretched out and contact the guide rod
(41), guide rod (41) described in piston cylinder described in side (44) pushing tow, piston cylinder (44) respective synchronization described in opposite side are shunk, with
This adjusts position of the guide rod (41) in the guide carriage (42) groove.
4. FS final spice installation method according to claim 1, it is characterised in that after completing the step I, to described heavy
Pipe (2) exposed part and the FS final spice (1) carry out covering backfill, and ballast backfill is carried out after the covering backfill.
5. FS final spice installation method according to claim 1, it is characterised in that after performing the step G, diver is true
Recognize between the waterstop (3) nose and corresponding immersed tube (2) end and be not mingled with foreign matter, then perform the step H.
6. FS final spice installation method according to claim 1, it is characterised in that the FS final spice (1) is transported by barge
Defeated arrive specifies marine site, then by hanging ship handling sinking.
7. FS final spice installation method according to claim 1, it is characterised in that when performing the step D, diver is auxiliary
Global position system is helped to measure confirmation to the position of the guide rod (41).
8. FS final spice installation method according to claim 1, it is characterised in that when performing the step F, diver is auxiliary
Global position system is helped to measure confirmation to the FS final spice (1) and the spacing of the two section immersed tube (2).
9. FS final spice installation method according to claim 1, it is characterised in that when performing the step H, draining it is same
When adjust the engagement cavity (6) interior pressure, the engagement cavity (6) interior pressure is steadily dropped to air by residing seabed hydraulic pressure
Pressure.
10. according to the FS final spice installation method described in claim any one of 1-9, it is characterised in that the FS final spice (1)
Two end faces on be equipped with several anticollison blocks, prevent the FS final spice (1) handling match immersed tube (2) when described in most terminating
The collision of head (1) and the immersed tube (2) causes the displacement of the FS final spice (1) and/or the immersed tube (2) or structure to break
It is bad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710780298.6A CN107524169A (en) | 2017-09-01 | 2017-09-01 | FS final spice installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710780298.6A CN107524169A (en) | 2017-09-01 | 2017-09-01 | FS final spice installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107524169A true CN107524169A (en) | 2017-12-29 |
Family
ID=60683312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710780298.6A Pending CN107524169A (en) | 2017-09-01 | 2017-09-01 | FS final spice installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107524169A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385728A (en) * | 2018-05-10 | 2018-08-10 | 中交第航务工程局有限公司 | Immersed tube tunnel push mode FS final spice and its docking construction method |
| CN108560596A (en) * | 2018-06-28 | 2018-09-21 | 中交第航务工程局有限公司 | Reversible immersed tube tunnel final connector and its docking construction method |
| CN110593323A (en) * | 2019-09-24 | 2019-12-20 | 株洲时代新材料科技股份有限公司 | Water stop back pressure leakage-proof system for immersed tube and back pressure leakage-proof method |
| CN115046537A (en) * | 2022-08-17 | 2022-09-13 | 中交第一航务工程局有限公司 | Underwater check method for closure attitude of immersed tunnel |
| CN116164715A (en) * | 2022-12-21 | 2023-05-26 | 中交第一航务工程局有限公司 | Underwater posture rechecking method for push type final joint |
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| JPH10102521A (en) * | 1996-10-01 | 1998-04-21 | Kumagai Gumi Co Ltd | Final joint device for submerged caisson and its execution method |
| CN103741725A (en) * | 2014-01-17 | 2014-04-23 | 天津市市政工程设计研究院 | Immersed tunnel final joint and shoreside dry-work construction method thereof |
| CN204530761U (en) * | 2015-02-16 | 2015-08-05 | 中交一航局第二工程有限公司 | A kind of tube coupling butt guiding devices |
| CN106894449A (en) * | 2017-02-09 | 2017-06-27 | 中铁隧道勘测设计院有限公司 | A kind of structure type of immersed tube tunnel final joint |
| CN106894448A (en) * | 2017-02-09 | 2017-06-27 | 中铁隧道勘测设计院有限公司 | For the final joints structure form of immersed tube tunnel |
| CN106988346A (en) * | 2017-03-24 | 2017-07-28 | 中国交通建设股份有限公司 | Immersed tube tunnel final joint and method for prefabricating, installation method |
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| JPH10102521A (en) * | 1996-10-01 | 1998-04-21 | Kumagai Gumi Co Ltd | Final joint device for submerged caisson and its execution method |
| CN103741725A (en) * | 2014-01-17 | 2014-04-23 | 天津市市政工程设计研究院 | Immersed tunnel final joint and shoreside dry-work construction method thereof |
| CN204530761U (en) * | 2015-02-16 | 2015-08-05 | 中交一航局第二工程有限公司 | A kind of tube coupling butt guiding devices |
| CN106894449A (en) * | 2017-02-09 | 2017-06-27 | 中铁隧道勘测设计院有限公司 | A kind of structure type of immersed tube tunnel final joint |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385728A (en) * | 2018-05-10 | 2018-08-10 | 中交第航务工程局有限公司 | Immersed tube tunnel push mode FS final spice and its docking construction method |
| CN108560596A (en) * | 2018-06-28 | 2018-09-21 | 中交第航务工程局有限公司 | Reversible immersed tube tunnel final connector and its docking construction method |
| CN108560596B (en) * | 2018-06-28 | 2024-02-02 | 中交第一航务工程局有限公司 | Reversible immersed tube tunnel final joint and butt joint construction method thereof |
| CN110593323A (en) * | 2019-09-24 | 2019-12-20 | 株洲时代新材料科技股份有限公司 | Water stop back pressure leakage-proof system for immersed tube and back pressure leakage-proof method |
| CN115046537A (en) * | 2022-08-17 | 2022-09-13 | 中交第一航务工程局有限公司 | Underwater check method for closure attitude of immersed tunnel |
| CN115046537B (en) * | 2022-08-17 | 2022-10-25 | 中交第一航务工程局有限公司 | Underwater check method for closure attitude of immersed tunnel |
| CN116164715A (en) * | 2022-12-21 | 2023-05-26 | 中交第一航务工程局有限公司 | Underwater posture rechecking method for push type final joint |
| CN116164715B (en) * | 2022-12-21 | 2023-09-19 | 中交第一航务工程局有限公司 | Underwater posture rechecking method for push type final joint |
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