CN107044137A - A kind of immersed tube sinking docking calculation - Google Patents
A kind of immersed tube sinking docking calculation Download PDFInfo
- Publication number
- CN107044137A CN107044137A CN201710253686.9A CN201710253686A CN107044137A CN 107044137 A CN107044137 A CN 107044137A CN 201710253686 A CN201710253686 A CN 201710253686A CN 107044137 A CN107044137 A CN 107044137A
- Authority
- CN
- China
- Prior art keywords
- sinking
- immersed tube
- refuted
- secretly
- section
- 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
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
- E02D29/07—Tunnels or shuttering therefor preconstructed as a whole or continuously made, and moved into place on the water-bed, e.g. into 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 present invention proposes a kind of immersed tube sinking docking calculation, comprises the following steps：Predetermined sinking position is determined, is refuted using sinking and transports immersed tube to be installed to the predetermined sinking position, the depth of water at the predetermined sinking position is more than the draft that the sinking is refuted；The immersed tube stretching to be installed sinking is refuted and is allowed in state of encorbelmenting, a section immersed tube is secretly buried with close；The immersed tube sinking to be installed is secretly buried at the identical absolute altitude of section immersed tube to described；The mobile sinking refutes the drive immersed tube to be installed, and secretly to bury section immersed tube close until docking to described.This method not by section depth of water is secretly buried and sinking is refuted draft and limited, be applicable to secretly to bury section depth of water is shallow and sinking refutes deep drawing construction operating mode.
Description
Technical field
The invention belongs to immersed tube tunnel technical field of construction, more particularly to a kind of immersed tube sinking docking calculation.
Background technology
At present, in immersed tube tunnel construction, when head sections immersed tube to be installed is docked with secretly burying a section immersed tube, generally using sinking
Refute and transport immersed tube to be installed to precalculated position, then by the vertical sinking of immersed tube to be installed to absolute altitude identical with secretly burying section immersed tube
Place, then carries out an abutting joint by immersed tube to be installed with secretly burying section immersed tube.
However, when the depth of water for secretly burying section is shallower, it is required if the immersed tube size to be installed and weight that are mated with are larger
The draft that sinking is refuted will be greater than secretly burying the depth of water of section.Now, using existing immersed tube sinking docking calculation, sinking can be caused to refute
Bottom and secretly bury a section immersed tube direct collision, thus, existing immersed tube sinking docking calculation is not particularly suited for this secretly burying Duan Shui
The depth and sinking refutes deep drawing construction operating mode.
Therefore, how to provide a kind of not by secretly burying section depth of water and sinking refutes the immersed tube sinking docking side that draft is limited
Method, is a current technical problem for being badly in need of solving.
The content of the invention
The present invention for above-mentioned existing immersed tube sinking docking calculation be not suitable for secretly burying section depth of water is shallow and sinking refutes drinking water
The technical problem of deep construction operating mode, proposition is a kind of not by secretly burying section depth of water and sinking refutes the immersed tube sinking pair that draft is limited
Connect method.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of immersed tube sinking docking calculation, comprises the following steps：
S1：Predetermined sinking position is determined, is refuted using sinking and transports immersed tube to be installed to the predetermined sinking position, it is described
The depth of water at predetermined sinking position is more than the draft that the sinking is refuted；
S2：The immersed tube stretching to be installed sinking is refuted and is allowed in state of encorbelmenting, a section immersed tube is secretly buried with close；
S3：The immersed tube sinking to be installed is secretly buried at the identical absolute altitude of section immersed tube to described；
S4：The mobile sinking refutes the drive immersed tube to be installed, and secretly to bury section immersed tube close until docking to described.
Preferably, in step S1, the difference that the depth of water refutes draft with the sinking at the predetermined sinking position exists
More than 2m.
Preferably, in step S1, the predetermined sinking position is with the horizontal range for secretly burying section immersed tube in more than 2m.
Preferably, in step S2, by concretely comprising the following steps that the immersed tube stretching to be installed sinking is refuted：Pass through drawstring
The immersed tube to be installed is pulled to refute movement relative to the sinking, the connection that the conversion immersed tube to be installed is refuted with the sinking is hung
Point, makes the immersed tube to be installed in state of encorbelmenting.
Preferably, in step S2, the length that the immersed tube stretching to be installed sinking is refuted is in the range of 0.5m-5m.
Preferably, in step S2, the immersed tube to be installed is in that the immersed tube to be installed is secretly buried with described when encorbelmenting state
The horizontal range of section immersed tube is in the range of 0.4m-0.6m.
Compared with prior art, advantages and positive effects of the present invention are：
The immersed tube sinking docking calculation that the present invention is provided, in immersed tube sinking and docking, by the way that immersed tube to be installed is encorbelmented
The one end refuted in sinking, makes sinking to remain certain distance between refuting and secretly burying section immersed tube, effectively prevent sinking and refute
Bottom impacts secretly bury a section immersed tube, be applicable to secretly to bury section depth of water is shallow and sinking refutes deep drawing construction operating mode, not by secretly burying Duan Shui
Deep and sinking refutes draft limitation, and applicable construction condition range is extensive.
Brief description of the drawings
The utilization sinking that Fig. 1 is provided by the embodiment of the present invention is refuted transports showing to predetermined sinking position by immersed tube to be installed
It is intended to；
Fig. 2 stretches out immersed tube to be installed in the schematic diagram that the state of encorbelmenting was refuted and be in sinking by what the embodiment of the present invention was provided；
The schematic diagram for the sinking immersed tube to be installed that Fig. 3 is provided by the embodiment of the present invention；
The mobile sinking that Fig. 4 is provided by the embodiment of the present invention, which is refuted, makes immersed tube to be installed with secretly burying the signal that section immersed tube is docked
Figure；
More than in each figure, 1, sinking refutes；2nd, immersed tube to be installed；3rd, a section immersed tube is secretly buried；4th, the first suspension centre；5th, the second suspension centre；
6th, hanger rope；7th, drawstring.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
The embodiments of the invention provide a kind of immersed tube sinking docking calculation, comprise the following steps：
S1：Predetermined sinking position is determined, is refuted using sinking and transports immersed tube to be installed to the predetermined sinking position, it is described
The depth of water at predetermined sinking position is more than the draft that the sinking is refuted.
In this step, it is necessary to which explanation, can be refuted when determining predetermined sinking position according to the construction area depth of water and sinking
Draft data are determined, and the predetermined sinking position should be close proximity to a section immersed tube be secretly buried, in order to subsequently be docked
Work.In this step, the draft that the sinking is refuted need to be more than by limiting the depth of water of the predetermined sinking position, it is ensured that
The sinking refute can normally travel, and effectively prevent the sinking and refute that collision is described secretly to bury a section immersed tube.
S2：The immersed tube stretching to be installed sinking is refuted and is allowed in state of encorbelmenting, a section immersed tube is secretly buried with close.
In this step, the one end refuted by the way that the immersed tube to be installed is encorbelmented in the sinking, it is described to be installed heavy to make
Pipe secretly buries a section immersed tube close to described, meanwhile, in follow-up immersed tube sinking and docking operation, because the immersed tube to be installed is encorbelmented,
The sinking is remained certain distance between refuting and secretly burying section immersed tube, effectively prevent the sinking and refute bottom impacts
It is described secretly to bury a section immersed tube.
S3：The immersed tube sinking to be installed is secretly buried at the identical absolute altitude of section immersed tube to described.
In this step, it is necessary to which explanation, described in sinking during immersed tube to be installed, the hanger rope that can be refuted by the sinking enters
Row sinking., it is necessary to note the height of sinking during sinking, and the immersed tube to be installed is kept to be in horizontality, so that described treat
Immersed tube is installed with secretly burying section immersed tube positioned at identical height, in order to subsequently be docked.
S4：The mobile sinking refutes the drive immersed tube to be installed, and secretly to bury section immersed tube close until docking to described.
In this step, due to the immersed tube to be installed with secretly bury section immersed tube be in identical height, thus, only pass through move
Move the sinking to refute, you can complete the immersed tube to be installed and dock with secretly burying the accurate of section immersed tube, simple to operate, efficiency of construction
It is high.Furthermore, it is necessary to which explanation, the movement that the sinking is refuted can be refuted mobile from boat, stranded cable, towboat dragging etc. by the sinking
Any move mode or the combination of a variety of move modes in mode are carried out, and are refuted as long as the sinking can be moved, are realized institute
State immersed tube to be installed and docked with secretly burying the accurate of section immersed tube.In addition it is also necessary to which explanation, the mobile sinking is needed when refuting
Slowly to move, to avoid the immersed tube to be installed from producing larger rock.
In the preferred embodiment of the present invention, in step S1, the depth of water is refuted with the sinking at the predetermined sinking position
The difference of draft is in more than 2m.Because the water level of construction area there may be fluctuation, when the water level decreasing of construction area,
The depth of water may be caused to refute draft less than the sinking at the predetermined sinking position, so influence that the sinking refutes it is normal
Traveling, thus, in the preferred embodiment, further define the depth of water at the predetermined sinking position and refute drinking water with the sinking
The difference lower limit of depth, makes the sinking refute when resting on the predetermined sinking position, exists between its bottom and the bottom certain
Rich d -trans- allethrin, can be prevented effectively from cause because of water-level fluctuation the sinking refute can not normally travel phenomenon.Need explanation
It is that those skilled in the art can refute draft and the SEA LEVEL VARIATION situation of construction area according to the sinking, specifically determine institute
The difference that the depth of water at predetermined sinking position refutes draft with the sinking is stated, the difference can be 2m, 3m, 4m, 5m, 10m etc..
In the preferred embodiment of the present invention, in step S1, the predetermined sinking position and section immersed tube that secretly buries
Horizontal range is in more than 2m.When the sinking, which is refuted, rests on the predetermined sinking position, being refuted due to the sinking may be with water
Flow and produce and rock, thus, in the preferred embodiment, further define the predetermined sinking position and sunk with the section of secretly burying
The horizontal range lower limit of pipe, makes the sinking refute when resting on the predetermined sinking position with section immersed tube of secretly burying and keeps certain
Horizontal range, the sinking can be prevented effectively from refute to collide because rocking and described secretly bury a section immersed tube.It should be noted that ability
Field technique personnel can rock situation according to what the flow velocity and the sinking of construction area were refuted, specifically determine the predetermined sinking position
With the horizontal range for secretly burying section immersed tube, the horizontal range can be 2m, 3m, 4m, 5m etc..
In the preferred embodiment of the present invention, in step S2, the immersed tube to be installed is stretched out into the tool that the sinking is refuted
Body step is：Pull the immersed tube to be installed to refute movement relative to the sinking by drawstring, convert the immersed tube to be installed with
The connection suspension centre that the sinking is refuted, makes the immersed tube to be installed in state of encorbelmenting.This preferred embodiment moves described by drawstring
Immersed tube to be installed, and the conversion for the suspension centre that is connected, quickly and easily can encorbelment the immersed tube to be installed in the sinking
The one end refuted, it is simple to operate and more laborsaving.
In the preferred embodiment of the present invention, in step S2, the immersed tube to be installed stretches out the length that the sinking is refuted
In the range of 0.5m-5m.This preferred embodiment is further carried out to the length that the immersed tube stretching to be installed sinking is refuted
Limit, this is primarily due to the immersed tube stretching to be installed sinking and refutes long or too short, may influence construction.For example：
If the immersed tube to be installed, which stretches out the sinking, refutes long, the sinking may be caused to refute and tumbled because of unbalance stress；If institute
State the immersed tube stretching to be installed sinking and refute too short, then can not play makes the sinking refute with secretly burying a section immersed tube holding certain distance
To prevent the effect of collision.It is understood that those skilled in the art can be according to the length of the immersed tube to be installed, described pre-
Determine sinking position and the horizontal range for secretly burying section immersed tube, specifically determine that the immersed tube to be installed stretches out the length that the sinking is refuted
Degree, the length can be 0.5m, 1m, 2m, 3m, 4m, 5m etc..
In the preferred embodiment of the present invention, in step S2, the immersed tube to be installed in encorbelment state when, it is described to wait to pacify
Immersed tube and the horizontal range for secretly burying section immersed tube are filled in the range of 0.4m-0.6m.This preferred embodiment further defines institute
State immersed tube to be installed in encorbelment state when, the immersed tube to be installed and the horizontal range for secretly burying section immersed tube, this be mainly because
For when the immersed tube to be installed in encorbelment state when, the immersed tube to be installed and the hypotelorism or mistake for secretly burying section immersed tube
Far, may influence construction.For example：If the immersed tube to be installed and the hypotelorism for secretly burying section immersed tube, described to wait to pacify
A section immersed tube is secretly buried described in rocking of may being refuted by the sinking of dress immersed tube and direct collision, and hypotelorism is also unfavorable for sinking
Put；If the immersed tube to be installed and the hypertelorism for secretly burying section immersed tube, when subsequently being docked, the immersed tube to be installed
The distant of movement is needed, is easily caused danger.It is understood that those skilled in the art can be according to the immersed tube to be installed
Length, and the predetermined sinking position and the horizontal range for secretly burying section immersed tube specifically determine the immersed tube to be installed
In encorbelment state when, the immersed tube to be installed and the horizontal range for secretly burying section immersed tube, the distance can for 0.4m, 0.45m,
0.5m, 0.55m, 0.6m etc..
In order to become apparent from introducing immersed tube sinking docking calculation provided by the present invention in detail, below in conjunction with specific implementation
Example is described.
As shown in Figures 1 to 4, immersed tube sinking docking calculation provided by the present invention, comprises the following steps：
First, the draft data for refuting 1 according to the construction area depth of water and sinking determine predetermined sinking position, and this is predetermined heavy
Put the depth of water and sinking at position and refute the difference of 1 draft in more than 2m, with secretly burying the horizontal range of section immersed tube 3 in more than 2m,
1 transport immersed tube 2 to be installed is refuted to the predetermined sinking position using sinking.During transport, it is used to connect as shown in figure 1, sinking is refuted 1 and is provided with
The first suspension centre 4 of immersed tube 2 is installed in reception, and the first suspension centre 4 is connected with hanger rope 6, and immersed tube 2 to be installed is hung with the first suspension centre 4 for connection
Point, the lower section that sinking refutes 1 is connected to by hanger rope 6.Symmetrically it is connected it should be noted that immersed tube 2 to be installed refutes 1 with sinking, with
Immersed tube 2 to be installed is avoided to encorbelment and cause sinking to refute 1 discontinuity.
After immersed tube 2 to be installed is transported to predetermined sinking position, the head end of immersed tube 2 to be installed is connected to as shown in Fig. 2 pulling
Drawstring 7 immersed tube 2 to be installed is refuted 1 movement relative to sinking, and stretch out sinking and refute 1.Now, by immersed tube 2 to be installed and sinking
The second suspension centre 5 that 1 connection suspension centre is transformed to be arranged at the front of the first suspension centre 4 by the first suspension centre 4 is refuted, makes the immersed tube 2 to be installed be in
Encorbelment state, with close to secretly burying section immersed tube 3.It should be noted that the length control that the stretching of immersed tube 2 sinking to be installed refutes 1 exists
In the range of 0.5m-5m, moreover, immersed tube to be installed 2 is in when encorbelmenting state, immersed tube 2 to be installed and the horizontal range for secretly burying section immersed tube 3
Control is in the range of 0.4m-0.6m.
Then, as shown in figure 3, the sinking of immersed tube 2 to be installed is sunk to secretly burying at the identical absolute altitude of section immersed tube 3 using hanger rope 6
When putting, immersed tube 2 to be installed is kept to be in horizontality.
Finally, as shown in figure 4, sinking refute 1 from air strips move immersed tube 2 to be installed to secretly bury section immersed tube 3 close to until docking.
The immersed tube sinking docking calculation that the present invention is provided, in immersed tube sinking and docking, by the way that immersed tube 2 to be installed is encorbelmented
1 one end is refuted in sinking, certain distance can be remained between section immersed tube 3 by sinking is refuted 1 and is secretly buried, and effectively prevent sinking
Refute 1 bottom impacts and secretly bury section immersed tube 3, be applicable to secretly to bury section depth of water is shallow and sinking refutes 1 deep drawing construction operating mode, do not buried secretly
Duan Shuishen and sinking refute the limitation of 1 draft, and applicable construction condition range is extensive.
Claims (6)
1. a kind of immersed tube sinking docking calculation, it is characterised in that comprise the following steps：
S1：Predetermined sinking position is determined, is refuted using sinking and transports immersed tube to be installed to the predetermined sinking position, it is described predetermined
The depth of water at sinking position is more than the draft that the sinking is refuted；
S2：The immersed tube stretching to be installed sinking is refuted and is allowed in state of encorbelmenting, a section immersed tube is secretly buried with close；
S3：The immersed tube sinking to be installed is secretly buried at the identical absolute altitude of section immersed tube to described；
S4：The mobile sinking refutes the drive immersed tube to be installed, and secretly to bury section immersed tube close until docking to described.
2. immersed tube sinking docking calculation according to claim 1, it is characterised in that：In step S1, the predetermined sinking position
The place's of putting depth of water refutes the difference of draft in more than 2m with the sinking.
3. immersed tube sinking docking calculation according to claim 1 or 2, it is characterised in that：In step S1, the predetermined sinking
Position is with the horizontal range for secretly burying section immersed tube in more than 2m.
4. immersed tube sinking docking calculation according to claim 1, it is characterised in that in step S2, will be described to be installed heavy
What the pipe stretching sinking was refuted concretely comprises the following steps：The immersed tube to be installed is pulled to refute movement relative to the sinking by drawstring,
The connection suspension centre that the immersed tube to be installed is refuted with the sinking is converted, makes the immersed tube to be installed in state of encorbelmenting.
5. the immersed tube sinking docking calculation according to claim 1 or 4, it is characterised in that：It is described to be installed heavy in step S2
The length that the pipe stretching sinking is refuted is in the range of 0.5m-5m.
6. immersed tube sinking docking calculation according to claim 5, it is characterised in that：In step S2, the immersed tube to be installed
In encorbelment state when, the immersed tube to be installed and the horizontal range for secretly burying section immersed tube are in the range of 0.4m-0.6m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710253686.9A CN107044137B (en) | 2017-04-18 | 2017-04-18 | A kind of immersed tube sinking interconnection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710253686.9A CN107044137B (en) | 2017-04-18 | 2017-04-18 | A kind of immersed tube sinking interconnection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107044137A true CN107044137A (en) | 2017-08-15 |
| CN107044137B CN107044137B (en) | 2019-06-07 |
Family
ID=59545751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710253686.9A Active CN107044137B (en) | 2017-04-18 | 2017-04-18 | A kind of immersed tube sinking interconnection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107044137B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102403753B1 (en) | 2020-11-18 | 2022-05-30 | (주)대우건설 | Constructing Method of Underwater Tunnel with Tethering Tunnel Modules, and Underwater Tunnel Constructed by such Method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000064318A (en) * | 1998-08-21 | 2000-02-29 | Ishikawajima Harima Heavy Ind Co Ltd | Immersion method for immersing tube |
| CN1399042A (en) * | 2002-08-27 | 2003-02-26 | 上海隧道工程股份有限公司 | Tunnel pipe section floating conveying, sinking and joining construction process |
| KR20110057404A (en) * | 2009-11-24 | 2011-06-01 | 주식회사 케이엔티 | Sinking pontoon for a construction of a submarine tunnel and a contructuion method of a submarine tunnel using the same |
| CN103898923A (en) * | 2012-12-31 | 2014-07-02 | 中交第一航务工程局有限公司 | Pipe joint lifting immersed system and method |
| CN103912013A (en) * | 2013-01-07 | 2014-07-09 | 中交一航局第二工程有限公司 | Tunnel immersed tube immersion method |
| CN106400841A (en) * | 2016-11-29 | 2017-02-15 | 中交航局第二工程有限公司 | Sinking pipe sinking control system and sinking pipe sinking method |
-
2017
- 2017-04-18 CN CN201710253686.9A patent/CN107044137B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000064318A (en) * | 1998-08-21 | 2000-02-29 | Ishikawajima Harima Heavy Ind Co Ltd | Immersion method for immersing tube |
| CN1399042A (en) * | 2002-08-27 | 2003-02-26 | 上海隧道工程股份有限公司 | Tunnel pipe section floating conveying, sinking and joining construction process |
| KR20110057404A (en) * | 2009-11-24 | 2011-06-01 | 주식회사 케이엔티 | Sinking pontoon for a construction of a submarine tunnel and a contructuion method of a submarine tunnel using the same |
| CN103898923A (en) * | 2012-12-31 | 2014-07-02 | 中交第一航务工程局有限公司 | Pipe joint lifting immersed system and method |
| CN103912013A (en) * | 2013-01-07 | 2014-07-09 | 中交一航局第二工程有限公司 | Tunnel immersed tube immersion method |
| CN106400841A (en) * | 2016-11-29 | 2017-02-15 | 中交航局第二工程有限公司 | Sinking pipe sinking control system and sinking pipe sinking method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102403753B1 (en) | 2020-11-18 | 2022-05-30 | (주)대우건설 | Constructing Method of Underwater Tunnel with Tethering Tunnel Modules, and Underwater Tunnel Constructed by such Method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107044137B (en) | 2019-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103205980B (en) | Offshore wind turbine large diameter single pile foundation and construction method thereof | |
| CN103410133B (en) | Air bag is utilized to carry out the method for Attention problems to deep water jacket | |
| CN104806457B (en) | A kind of descending sea-borne wind power generation apparatus | |
| CN103452117B (en) | Construction technology of deepwater bagged sand construction device | |
| CN106516021A (en) | Self-propelled carrying and installing all-in-one ship for underwater tunnel immersed tubes | |
| WO2018068362A1 (en) | Deep-sea mining system | |
| CN104480865B (en) | A kind of Large Steel open caisson accurate positioning method | |
| CN103295078A (en) | Structural design optimization method for deepwater catenary mooring rope | |
| CN204000830U (en) | Merogenesis take-over type sand drain machine | |
| CN107044137A (en) | A kind of immersed tube sinking docking calculation | |
| CN206187298U (en) | Integrative ship of self -navigation formula subaqueous tunnel immersed tube delivery installation | |
| CN112709250A (en) | Be favorable to reducing seabed vacuum pipeline pile foundation cushion cap structure of buoyancy | |
| CN104196000A (en) | Rapid construction method for strong-stormy-wave deep sea underwater connection system | |
| CN113277008A (en) | Underwater fixed-height towing device and method for metal detector | |
| CN105544584A (en) | Oblate ellipsoid-shaped bridge sunk shaft foundation favorable for changing course of ship colliding with bridge | |
| CN104089755A (en) | Test method for gravel structure drag-resistant anchor model covering submarine pipeline | |
| CN106558862A (en) | Assembled cable duct bank mounting structure | |
| CN109695780A (en) | One kind, which subtracts, holds formula submarine pipeline active flexion control device | |
| CN108860475A (en) | When a kind of installation anchor body surrounding can jet bubble torpedo anchor | |
| CN103899842B (en) | Method for installing deepwater online tee joint | |
| CN106985969A (en) | A kind of positioner and its localization method | |
| CN208169822U (en) | A kind of anti-drag anchor damage device of bottom of shallow sea pipeline | |
| CN104002936B (en) | A kind of shoal, strand drilling platform | |
| CN215622551U (en) | Underwater fixed-height towing device of metal detector | |
| CN209876135U (en) | Bearing-reducing type active buckling control device for submarine pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |