CN109371995A - The manufacturing method in circular steel tubing string cofferdam - Google Patents
The manufacturing method in circular steel tubing string cofferdam Download PDFInfo
- Publication number
- CN109371995A CN109371995A CN201811458319.3A CN201811458319A CN109371995A CN 109371995 A CN109371995 A CN 109371995A CN 201811458319 A CN201811458319 A CN 201811458319A CN 109371995 A CN109371995 A CN 109371995A
- Authority
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- Prior art keywords
- spill
- cofferdam
- steel pipe
- convex
- pipe column
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of manufacturing methods in circular steel tubing string cofferdam, are related to steel pipe column cofferdam or steel caisson manufacturing technology field, comprising the following steps: manufacture convex, the semicircle moulding bed of spill and total assembled moulding bed；The convex semicircular segments and spill semicircular segments of steel pipe column cofferdam segment are manufactured on the semicircle moulding bed of convex, spill respectively；Convex semicircular segments are lifted to spill semicircular segments, steel pipe column cofferdam segment is assembled into；Repeat manufacture and assembled multiple steel pipe column cofferdam segment；By on all steel pipe column cofferdam segment lifting to total assembled moulding bed, adjacent steel pipe column cofferdam segment is subjected to pre-connection.The purpose of the present invention is to provide a kind of manufacturing methods in circular steel tubing string cofferdam, under conventional steel construction shop condition, realize the tall and big steel pipe column cofferdam manufacture of facade.
Description
Technical field
The present invention relates to steel pipe column cofferdam or steel caisson manufacturing technology fields, and in particular to a kind of circular steel tubing string cofferdam
Manufacturing method.
Background technique
When architectural engineering uses steel pipe column cofferdam or steel caisson basis, steel pipe column cofferdam or steel caisson generally will be in works
Merogenesis, piecemeal manufacture in factory.It is general using three-dimensional spelling when steel pipe column cofferdam or bigger steel caisson planar cross-sectional size
Mode manufactures, and state is consistent with in-site installation after assembly.But when steel pipe column cofferdam or steel caisson sectional dimension it is little, stand
When face is very tall and big (length in steel pipe column cofferdam is very big), under conventional steel construction shop condition, using conventional stereo spelling side
When formula manufactures, lifting headroom is limited in workshop, is not able to satisfy lifting, transhipment needs, in addition many spellings, weld will be in high-altitude
Operation, operation installation difficulty is big, and construction personnel's security risk is high, and operating efficiency is low, and quality is not easy to guarantee.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of manufactures in circular steel tubing string cofferdam
Method realizes the tall and big steel pipe column cofferdam manufacture of facade under conventional steel construction shop condition.
To achieve the above objectives, the technical solution adopted by the present invention is that: a kind of manufacturing method in circular steel tubing string cofferdam, packet
Include following steps:
Manufacture convex, the semicircle moulding bed of spill and total assembled moulding bed；
The convex semicircular segments and spill half of steel pipe column cofferdam segment are manufactured on the semicircle moulding bed of convex, spill respectively
Round knot section；
Convex semicircular segments are lifted to spill semicircular segments, steel pipe column cofferdam segment is assembled into；
Repeat manufacture and assembled multiple steel pipe column cofferdam segment；
By on all steel pipe column cofferdam segment lifting to total assembled moulding bed, adjacent steel pipe column cofferdam segment is connected in advance
It connects.
Based on the above technical solution, whole steel pipe column cofferdam is divided into according to sling load and load transported multiple
Segment, length and sectional dimension further according to the steel pipe column cofferdam of each segment manufacture convex, the semicircle moulding bed of spill and total assembly
Moulding bed.
Based on the above technical solution, the convex semicircular segments of manufacture one steel pipe column cofferdam segment, including
Following steps:
It is laid with the first inner wall panel of splicing convex semicircular segments；
Splice the first ribs of convex semicircular segments, the first interior annular gusset and the first diagonal brace on the first inner wall panel
Block；
Splice the first exterior annular gusset and the first outer wall panel of convex semicircular segments on the first ribs again.
Based on the above technical solution, the spill semicircular segments of manufacture one steel pipe column cofferdam segment, including
Following steps:
It is laid with the second outer wall panel of splicing spill semicircular segments；
Splice the second ribs of spill semicircular segments, the second exterior annular gusset and the second diagonal brace on the second outer wall panel
Block；
Splice spill semicircular segments the second interior annular gusset and the second inner wall panel on the second ribs again.
Based on the above technical solution, described to lift convex semicircular segments to spill semicircular segments, it is assembled into
One steel pipe column cofferdam segment, comprising the following steps:
Convex semicircular segments are lifted to spill semicircular segments；
It is aligned the seam of the inside and outside Wall board of convex semicircular segments and spill semicircular segments；
Solder joint is assembled into steel pipe column cofferdam segment.
Based on the above technical solution, it is aligned the inside and outside Wall board of convex semicircular segments and spill semicircular segments
Before seam, temporary support is installed between cofferdam in convex, spill semicircular segments steel pipe columns.
Based on the above technical solution, described by all steel pipe column cofferdam segment lifting to total assembled moulding bed, phase
Adjacent steel pipe column cofferdam segment carries out pre-connection, comprising the following steps: the seam of adjacent steel pipe column cofferdam segment is aligned, in phase
Matching connection part is respectively set on adjacent steel pipe column cofferdam segment, the matching connection part is mutually aligned.
Based on the above technical solution, the manufacture convex semicircle moulding bed, comprising the following steps:
Multiple convex moulding bed columns are set, are connected multiple convex moulding bed columns using multiple horizontal support members, so
Convex semicircle tire plate is connected on the convex moulding bed column afterwards.
Based on the above technical solution, the manufacture spill semicircle moulding bed, comprising the following steps:
Multiple spill moulding bed columns are set, are connected multiple spill moulding bed columns using multiple bearing diagonal parts, then
Spill semicircle tire plate is connected on the spill moulding bed column.
Based on the above technical solution, the total assembled moulding bed of the manufacture, comprising the following steps:
Collet and side support are set, and using horizontal brace rod by the collet and side support connection, installation bearing diagonal is held in the palm in the side
Bar completes a point of assembled moulding bed manufacture；
Repetition manufactures multiple points of assembled moulding beds；
All points of assembled moulding bed assembly are formed into total assembled moulding bed.
Compared with the prior art, the advantages of the present invention are as follows: the manufacturing method in circular steel tubing string cofferdam of the invention, normal
It advises under steel construction shop condition, realizes the tall and big steel pipe column cofferdam manufacture of facade, operation installation difficulty is small, reduces construction personnel's peace
Full blast danger.
Detailed description of the invention
Fig. 1 is the schematic diagram of steel pipe column cofferdam segment in the embodiment of the present invention；
Fig. 2 is the schematic diagram of camber of embodiment of the present invention semicircular segments；
Fig. 3 is the schematic diagram of middle concave of embodiment of the present invention semicircular segments；
Fig. 4 is the schematic diagram of all steel pipe column cofferdam section assembling in the embodiment of the present invention；
In figure: 1, convex semicircle moulding bed；11, convex moulding bed column；12, horizontal support member；13, convex semicircle tire plate；
2, spill semicircle moulding bed；21, spill moulding bed column；22, bearing diagonal part；23, spill semicircle tire plate；3, convex semicircular segments；
31, the first inner wall panel；32, the first ribs；33, the first diagonal brace block；34, the first outer wall panel；35, the first interior annular
Gusset；36, the first exterior annular gusset；4, spill semicircular segments；41, the second inner wall panel；42, the second ribs；43, second
Diagonal brace block；44, the second outer wall panel；45, the second interior annular gusset；46, the second exterior annular gusset；5, divide assembled tire
Frame；51, collet；52, side is held in the palm；53, horizontal brace rod；54, inclined support bar；6, temporary support.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Embodiment one
Referring to shown in Fig. 1 to Fig. 3, the embodiment of the present invention provides a kind of manufacturing method in circular steel tubing string cofferdam, including with
Lower step:
Step S1, manufacture convex semicircle moulding bed 1, spill semicircle moulding bed 2 and total assembled moulding bed.It specifically, can basis
Whole steel pipe column cofferdam is divided into multiple segments by sling load and load transported, further according to the length in the steel pipe column cofferdam of each segment
Degree and sectional dimension manufacture convex semicircle moulding bed 1, spill semicircle moulding bed 2 and total assembled moulding bed.If sling load is 3 tons,
Sling height is 5 meters, and load transported is 2.5 tons, whole steel pipe column cofferdam can be divided into multiple segments.Each segment is less than 5
Rice and weight less than 2.5 tons.
Step S2 manufactures steel pipe column cofferdam segment on convex semicircle moulding bed 1, spill semicircle moulding bed 2 respectively
Convex semicircular segments 3 and spill semicircular segments 4.
Step S3 is assembled into steel pipe column cofferdam segment in the lifting to spill semicircular segments 4 of convex semicircular segments 3；
Step S4 repeats manufacture and assembled multiple steel pipe column cofferdam segment；
Step S5, by all steel pipe column cofferdam segment lifting to total assembled moulding bed, by adjacent steel pipe column cofferdam segment
Carry out pre-connection.
Compared with prior art, the manufacturing method in the circular steel tubing string cofferdam in the embodiment of the present invention is high by original facade
Big steel pipe column cofferdam is divided into several segments, and each steel pipe column cofferdam segment is divided into half round knot of convex semicircular segments 3 and spill again
Section 4 can realize the tall and big steel pipe column cofferdam manufacture of facade, operation installation difficulty under conventional steel construction shop condition
It is small, construction personnel's security risk is reduced, operating efficiency is high, and the quality in circular steel tubing string cofferdam is guaranteed.
Meanwhile convex semicircular segments 3 and spill semicircular segments 4 are when being combined into a steel pipe column cofferdam segment, semicircular segments tool
There is greater stiffness, deflection is small, and the structure accuracy of manufacture is improved.
Embodiment two
It is shown in Figure 2, as preferred embodiment, on the basis of example 1, manufacture a steel pipe column cofferdam
The convex semicircular segments 3 of segment, the specific steps are as follows:
It is laid with the first inner wall panel 31 of splicing convex semicircular segments 3；
Splice the first interior annular gusset 35, the first ribs 32 of convex semicircular segments 3 on the first inner wall panel 31
With the first diagonal brace block 33；
Splice the first exterior annular gusset 36 and the first outer wall panel of convex semicircular segments 3 on the first ribs 32 again
34。
Embodiment three
It is shown in Figure 3, as preferred embodiment, on the basis of example 1, manufacture a steel pipe column cofferdam
The spill semicircular segments 4 of segment, the specific steps are as follows:
It is laid with the second outer wall panel 44 of splicing spill semicircular segments 4；
Splice the second exterior annular gusset 46, the second ribs 42 of spill semicircular segments 4 on the second outer wall panel 44
With the second diagonal brace block 43；
Splice the second interior annular gusset 45 and the second inner wall panel of spill semicircular segments on the second ribs 42 again
41。
Example IV
It is shown in Figure 1, as preferred embodiment, on the basis of example 1, convex semicircular segments 3 are lifted
To spill semicircular segments 4, it is assembled into steel pipe column cofferdam segment, the specific steps are as follows:
It will be in the lifting to spill semicircular segments 4 of convex semicircular segments 3；
It is aligned the seam of the inside and outside Wall board of convex semicircular segments 3 and spill semicircular segments 4.Specifically, alignment convex half
Before the seam of the inside and outside Wall board of round knot section 3 and spill semicircular segments 4, convex semicircular segments 3, spill semicircular segments 4 it
Between install temporary support 6., both ends add temporary support 6 when spelling, and the settable adjustable screw of temporary support 6 passes through temporary support 6
It can be to prevent or reduce convex semicircular segments 3 to be detached from deformation induced by gravity after moulding bed, and welding is shunk or resilience.
Embodiment five
It is shown in Figure 4, as preferred embodiment, on the basis of example 1, all steel pipe column cofferdam are saved
In section lifting to total assembled moulding bed, adjacent steel pipe column cofferdam segment carries out pre-connection, the specific steps are as follows:
It is aligned the seam of adjacent steel pipe column cofferdam segment, the respectively setting connection on adjacent steel pipe column cofferdam segment
Accessory (does not mark) in figure, and matching connection part is mutually aligned.
Under prostrate state, all steel pipe column cofferdam segment group on total assembled moulding bed is combined into whole steel pipe column cofferdam, respectively
Segment pose adjustment is convenient, is fixed temporarily and welds matching connector, then unlocks and carry out the subsequent handlings operations such as sandblasting, derusting,
Matching parts intensity is big, high reliablity is done until matching connector plays just positioning action when on-site hoisting by matching connection again
Accurate adjustment, steel pipe column cofferdam posture restoration is strong, more secure.
Embodiment six
It is shown in Figure 2, as preferred embodiment, on the basis of example 1, manufacture convex semicircle moulding bed
1, the specific steps are as follows:
Multiple convex moulding bed columns 11 are set, are connected multiple convex moulding bed columns 11 using multiple horizontal support members 12,
Then convex semicircle tire plate 13 is connected on convex moulding bed column 11.
Embodiment seven
It is shown in Figure 3, as preferred embodiment, on the basis of example 1, manufacture spill semicircle moulding bed
2, the specific steps are as follows:
Multiple spill moulding bed columns 21 are set, are connected multiple spill moulding bed columns 21 using multiple bearing diagonal parts 22, so
Spill semicircle tire plate 23 is connected on spill moulding bed column 21 afterwards.
Embodiment eight
Referring to shown in Fig. 1 and Fig. 4, as preferred embodiment, on the basis of example 1, total assembled tire is manufactured
Frame, the specific steps are as follows:
Collet 51 and side support 52 are set, connected collet 51 and side support 52 using horizontal brace rod 53, side support 52 is installed tiltedly
Support rod 54 completes the manufacture of a point of assembled moulding bed 5；
Repetition manufactures multiple points of assembled moulding beds 5；
By all points of total assembled moulding beds of the assembled formation of assembled moulding beds 5.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of manufacturing method in circular steel tubing string cofferdam, which comprises the following steps:
Manufacture convex, the semicircle moulding bed of spill and total assembled moulding bed；
Half round knot of convex semicircular segments and spill of steel pipe column cofferdam segment is manufactured on the semicircle moulding bed of convex, spill respectively
Section；
Convex semicircular segments are lifted to spill semicircular segments, steel pipe column cofferdam segment is assembled into；
Repeat manufacture and assembled multiple steel pipe column cofferdam segment；
By on all steel pipe column cofferdam segment lifting to total assembled moulding bed, adjacent steel pipe column cofferdam segment carries out pre-connection.
2. the method as described in claim 1, it is characterised in that:
Whole steel pipe column cofferdam is divided into multiple segments according to sling load and load transported, further according to the steel pipe column of each segment
The length and sectional dimension in cofferdam manufacture convex, the semicircle moulding bed of spill and total assembled moulding bed.
3. the method as described in claim 1, which is characterized in that half round knot of convex of manufacture one steel pipe column cofferdam segment
Section, comprising the following steps:
It is laid with the first inner wall panel of splicing convex semicircular segments；
Splice the first interior annular of convex semicircular segments gusset, the first ribs and the first sway brace on the first inner wall panel
Body；
Splice the first exterior annular gusset and the first outer wall panel of convex semicircular segments on the first ribs again.
4. the method as described in claim 1, which is characterized in that half round knot of spill of manufacture one steel pipe column cofferdam segment
Section, comprising the following steps:
It is laid with the second outer wall panel of splicing spill semicircular segments；
Splice the second ribs of spill semicircular segments, the second exterior annular gusset and the second sway brace on the second outer wall panel
Body；
Splice spill semicircular segments the second interior annular gusset and the second inner wall panel on the second ribs again.
5. the method as described in claim 1, which is characterized in that described to lift convex semicircular segments to spill semicircular segments
On, it is assembled into steel pipe column cofferdam segment, comprising the following steps:
Convex semicircular segments are lifted to spill semicircular segments；
It is aligned the seam of the inside and outside Wall board of convex semicircular segments and spill semicircular segments；
Solder joint is assembled into steel pipe column cofferdam segment.
6. method as claimed in claim 5, it is characterised in that:
It is aligned before the seam of the inside and outside Wall board of convex semicircular segments and spill semicircular segments, convex, spill semicircular segments
Steel pipe column installs temporary support between cofferdam.
7. the method as described in claim 1, which is characterized in that described by all steel pipe column cofferdam segment lifting to total assembled tire
On frame, adjacent steel pipe column cofferdam segment carries out pre-connection, comprising the following steps:
It is aligned the seam of adjacent steel pipe column cofferdam segment, matching connection is respectively set on adjacent steel pipe column cofferdam segment
Part, the matching connection part are mutually aligned.
8. the method as described in claim 1, which is characterized in that the manufacture convex semicircle moulding bed, comprising the following steps:
Multiple convex moulding bed columns are set, multiple convex moulding bed columns are connected using multiple horizontal support members, are then existed
Convex semicircle tire plate is connected on the convex moulding bed column.
9. the method as described in claim 1, which is characterized in that the manufacture spill semicircle moulding bed, comprising the following steps:
Multiple spill moulding bed columns are set, are connected multiple spill moulding bed columns using multiple bearing diagonal parts, then in institute
State connection spill semicircle tire plate on spill moulding bed column.
10. the method as described in claim 1, which is characterized in that the total assembled moulding bed of manufacture, comprising the following steps:
Collet and side support are set, and using horizontal brace rod by the collet and side support connection, the side support installation inclined support bar is complete
At a point of assembled moulding bed manufacture；
Repetition manufactures multiple points of assembled moulding beds；
All points of assembled moulding bed assembly are formed into total assembled moulding bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811458319.3A CN109371995A (en) | 2018-11-30 | 2018-11-30 | The manufacturing method in circular steel tubing string cofferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811458319.3A CN109371995A (en) | 2018-11-30 | 2018-11-30 | The manufacturing method in circular steel tubing string cofferdam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109371995A true CN109371995A (en) | 2019-02-22 |
Family
ID=65376555
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811458319.3A Pending CN109371995A (en) | 2018-11-30 | 2018-11-30 | The manufacturing method in circular steel tubing string cofferdam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004957A (en) * | 2019-04-02 | 2019-07-12 | 武大巨成结构股份有限公司 | A kind of underwater prestress steel cofferdam device of lowering heartn type for active well of fetching water |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201031381Y (en) * | 2007-05-23 | 2008-03-05 | 中铁十四局集团有限公司 | Double thin walls steel concrete combined batardeau |
| JP4528652B2 (en) * | 2005-03-08 | 2010-08-18 | Ｊｆｅエンジニアリング株式会社 | Temporary closing method for underwater structures and temporary closing structure |
| CN203509462U (en) * | 2013-11-19 | 2014-04-02 | 中国二十二冶集团有限公司 | Inner support device for large-diameter pipe welding |
| CN103791156A (en) * | 2012-10-29 | 2014-05-14 | 五冶集团上海有限公司 | Superaltitude quick installation method of large-diameter glass fiber reinforced plastic pipes |
| CN204059377U (en) * | 2014-10-16 | 2014-12-31 | 葛洲坝集团第五工程有限公司 | Circular Double-Wall Steel Boxed Cofferdam makes the vertical moulding bed support system of movable-type |
| CN105458580A (en) * | 2014-08-29 | 2016-04-06 | 刘德华 | Adjustable pipeline welding supporting frame |
| CN205763567U (en) * | 2016-07-01 | 2016-12-07 | 安徽省交通控股集团有限公司 | Moulding bed in tunneling boring adjustable reinforced cage |
| CN206034295U (en) * | 2016-08-27 | 2017-03-22 | 江苏中铁山桥重工有限公司 | Large diameter steel pipe post equipment bed -jig |
| CN206220089U (en) * | 2016-11-22 | 2017-06-06 | 云南省建设投资控股集团有限公司 | A kind of bridge reinforcement cage makes positioner |
| CN106884434A (en) * | 2017-01-20 | 2017-06-23 | 湖北省路桥集团有限公司 | The parameterization design method of circular Double-Wall Steel Boxed Cofferdam |
| CN206747476U (en) * | 2017-03-09 | 2017-12-15 | 中国建筑第八工程局有限公司 | Steel reinforcement cage processing and fabricating moulding bed |
| CN207029954U (en) * | 2017-06-23 | 2018-02-23 | 江苏中铁山桥重工有限公司 | A kind of Large-diameter Steel tubing string transporting tire frame |
| CN207272057U (en) * | 2017-10-13 | 2018-04-27 | 南京交通工程有限公司 | Bored concrete pile sizing moulding bed |
-
2018
- 2018-11-30 CN CN201811458319.3A patent/CN109371995A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4528652B2 (en) * | 2005-03-08 | 2010-08-18 | Ｊｆｅエンジニアリング株式会社 | Temporary closing method for underwater structures and temporary closing structure |
| CN201031381Y (en) * | 2007-05-23 | 2008-03-05 | 中铁十四局集团有限公司 | Double thin walls steel concrete combined batardeau |
| CN103791156A (en) * | 2012-10-29 | 2014-05-14 | 五冶集团上海有限公司 | Superaltitude quick installation method of large-diameter glass fiber reinforced plastic pipes |
| CN203509462U (en) * | 2013-11-19 | 2014-04-02 | 中国二十二冶集团有限公司 | Inner support device for large-diameter pipe welding |
| CN105458580A (en) * | 2014-08-29 | 2016-04-06 | 刘德华 | Adjustable pipeline welding supporting frame |
| CN204059377U (en) * | 2014-10-16 | 2014-12-31 | 葛洲坝集团第五工程有限公司 | Circular Double-Wall Steel Boxed Cofferdam makes the vertical moulding bed support system of movable-type |
| CN205763567U (en) * | 2016-07-01 | 2016-12-07 | 安徽省交通控股集团有限公司 | Moulding bed in tunneling boring adjustable reinforced cage |
| CN206034295U (en) * | 2016-08-27 | 2017-03-22 | 江苏中铁山桥重工有限公司 | Large diameter steel pipe post equipment bed -jig |
| CN206220089U (en) * | 2016-11-22 | 2017-06-06 | 云南省建设投资控股集团有限公司 | A kind of bridge reinforcement cage makes positioner |
| CN106884434A (en) * | 2017-01-20 | 2017-06-23 | 湖北省路桥集团有限公司 | The parameterization design method of circular Double-Wall Steel Boxed Cofferdam |
| CN206747476U (en) * | 2017-03-09 | 2017-12-15 | 中国建筑第八工程局有限公司 | Steel reinforcement cage processing and fabricating moulding bed |
| CN207029954U (en) * | 2017-06-23 | 2018-02-23 | 江苏中铁山桥重工有限公司 | A kind of Large-diameter Steel tubing string transporting tire frame |
| CN207272057U (en) * | 2017-10-13 | 2018-04-27 | 南京交通工程有限公司 | Bored concrete pile sizing moulding bed |
Non-Patent Citations (2)
| Title |
|---|
| 宁安铁路有限责任公司，中铁大桥局集团有限公司: "《宁安铁路安庆长江大桥建造技术与工程管理》", 31 May 2015 * |
| 柯于舫等: "《船体装配作业》", 31 January 2015, 哈尔滨工业大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004957A (en) * | 2019-04-02 | 2019-07-12 | 武大巨成结构股份有限公司 | A kind of underwater prestress steel cofferdam device of lowering heartn type for active well of fetching water |
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Application publication date: 20190222 |
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