CN108316332A - A kind of piecemeal tongue and groove assembling-type steel sole plate that complexity sea situation steel lifted trunk can recycle completely - Google Patents
A kind of piecemeal tongue and groove assembling-type steel sole plate that complexity sea situation steel lifted trunk can recycle completely Download PDFInfo
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- CN108316332A CN108316332A CN201810414747.XA CN201810414747A CN108316332A CN 108316332 A CN108316332 A CN 108316332A CN 201810414747 A CN201810414747 A CN 201810414747A CN 108316332 A CN108316332 A CN 108316332A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 104
- 239000010959 steel Substances 0.000 title claims abstract description 104
- 238000005266 casting Methods 0.000 claims abstract description 10
- 206010037076 Protrusion tongue Diseases 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 238000003032 molecular docking Methods 0.000 claims description 3
- 210000001015 abdomen Anatomy 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 11
- 210000001503 joint Anatomy 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 13
- 238000003466 welding Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000007596 consolidation process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007912 intraperitoneal administration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of piecemeal tongue and groove assembling-type steel sole plates that complicated sea situation steel lifted trunk can recycle completely, including assembling-type bottom plate, the assembling-type bottom plate includes the bottom plate B of centre, the both sides of the bottom plate B are provided symmetrically and the bottom plate A by rabbeted butt joint together, the bottom plate A is equipped with the arch notch passed through for steel pile casting, the middle part of the assembling-type bottom plate is equipped with the centre for being horizontally through the bottom plate A and bottom plate B to drawing fining twisted steel, the bottom plate A and bottom plate B is equipped with hanging decentralization screw-thread steel hole, the surrounding of the assembling-type bottom plate has extended perpendicularly out operation platform support outward, the assembling-type steel sole plate is after the completion of bearing platform construction, recycling can all be removed to be used in turn, zero loss, save great deal of steel input, save construction cost.
Description
Technical field
The present invention relates to the technical field of bridge foundation construction, more particularly to a kind of complicated sea situation steel lifted trunk can recycle completely
Piecemeal tongue and groove assembling-type steel sole plate.
Background technology
Under the big complicated sea situation of wave, high-rise pile cap is constructed using steel lifted trunk, and huge wave force is to steel lifted trunk bottom plate
The overall stability of structure is a huge challenge.The cushion cap steel suspended box cofferdam of conditions of similarity is constructed, it is domestic frequently with steel
Hanging box bottom plate is that common main joist secondary joist is layered bottom plate, and bottom plate is needed the equal site welding of main joist secondary joist panel at whole
Body resists the impact of huge wave force, increases a large amount of site welding workloads, and bottom plate site welding is integral, complete under water
It is recycled completely without method.Construction cost and duration are all very big challenges.
The big Offshore Bridges of wave such as have that cushion cap quantity is big, structure size is unified, depth of water engineering characteristic at pier position, if
Hanging box is layered bottom plate using common main joist secondary joist, need to put into a large amount of hanging box bottom plate under water and can not recycle, be constructed into
This height, duration pressure are big.It is simple then to need to study a kind of constructing operation, convenient can fall use, and rigidity needs sufficiently large hanging box bottom
Panel assembly.
Invention content
In order to solve the above technical problem, the present invention provides a kind of piecemeal tongue and grooves that complicated sea situation steel lifted trunk can recycle completely
Assembling-type steel sole plate.
The technical scheme is that:A kind of piecemeal tongue and groove assembly shaped steel bottom that complexity sea situation steel lifted trunk can recycle completely
Plate, including assembling-type bottom plate, the assembling-type bottom plate include intermediate bottom plate B, the both sides of the bottom plate B be provided symmetrically and
It is equipped with the arch notch passed through for steel pile casting, the assembling-type bottom by the bottom plate A, the bottom plate A of rabbeted butt joint together
The middle part of plate, which is equipped with, is horizontally through the centre of the bottom plate A and bottom plate B to drawing fining twisted steel, the bottom plate A and described
Bottom plate B is equipped with hanging decentralization screw-thread steel hole, and the surrounding of the assembling-type bottom plate has extended perpendicularly out operation platform support outward.
Preferably, the front and rear sides of the assembling-type bottom plate is equipped with both ends to drawing finish rolling short thread steel, the bottom plate A
It is equipped with for the both ends at docking to drawing the both ends that finish rolling short thread steel passes through to be supported to drawing with the bottom plate B.
Preferably, the both ends are equipped with the short support of operation platform to the side of drawing support, the short support of operation platform
Length is the half of the length of operation platform support.
Preferably, the bottom plate A includes frame A and panel A, the bottom plate B include frame B and panel B, the frame A
Supported by frame main support splicing and frame with the frame B, the frame A include " outline border of " shape structure, it is described
Frame A's is internally provided with positioned at intermediate rectangle frame, and the inside of the rectangle frame is the main support of vertically disposed frame, the square
The inside of shape frame is equipped with protrusion tongue and groove, and the both ends of the frame A are to drawing the inside of support also to be provided with protrusion tongue and groove, the rectangle frame
Both sides be equipped with C font notches, the edge of the C fonts notch include the main support of transverse frame, the main support of tilt frame and
The main support of vertical frame, the frame B includes the outline border of rectangular configuration, and the frame B's is internally provided with vertically disposed frame
The middle part of main support, the frame B is equipped with recessed tongue and groove corresponding with the protrusion tongue and groove, and the both ends of the frame B are to drawing branch
Support also is provided with recessed tongue and groove corresponding with the protrusion tongue and groove, and the panel A and the panel B are rectangular panel, the face
Plate A is equipped with arch notch corresponding with the C fonts notch, and the both sides of the C fonts notch are equipped with the frame being laterally arranged
Support, the rectangle frame are internally provided with vertically arranged frame time support, and the frame B's is internally provided with the frame being laterally arranged
Sortie supports.
Preferably, the root of the operation platform support and the short support of the operation platform is equipped with installation lifting wall panel
Hinged seat.
Preferably, the main support of the frame and the both ends are the identical H profile steel of model to drawing support, and the frame time props up
Support is angle steel, the operation platform support and the H profile steel that the short support of the operation platform is that size is less than the main support of the frame,
The operation platform support is with the both ends to drawing the equal length supported.
Preferably, the protrusion tongue and groove includes the protrusion side plate of both sides, is equipped between two protrusion side plates and vertically sets
It sets and positioned at the protrusion riser of outer ledge, the lower end of the protrusion riser is equipped with the H profile steel bottom with the main support of the frame
Wing plate overlapped protrusion bottom plate, it is described protrusion riser upper end be obliquely installed and with the H profile steel of the main support of the frame at the top of
The protrusion top plate of wing plate connection, the recessed tongue and groove include the recessed side plate of both sides, position are equipped between two recessed side plates
In top and the recessed top plate that is obliquely installed, the top and bottom of the recessed top plate top with the main support of the frame respectively
Wing plate is connected with web.
Preferably, the hinged seat includes two hinged risers that are parallel and being oppositely arranged, the outside of the hinged riser
It is connected with bearing rib.
The beneficial effects of the invention are as follows:
Under the big complicated sea situation of wave, which can all remove recycling turnover after the completion of bearing platform construction
It uses, zero loss saves great deal of steel input, saves construction cost.
The main support of frame using H profile steel as assembling-type bottom plate, easy processing and rigidity is big, in the impact of huge wave force
Under be unlikely to deform.
The assembling-type bottom plate carries out prefabricated, on-site consolidation, rabbeted butt joint is used between bottom plate A and bottom plate B, then with finish rolling spiral shell
Line steel is to drawing assembled connection, quick construction that the assembly of assembling-type bottom plate can be rapidly completed, save a large amount of site weldings and peace
ETL estimated time of loading.
The assembling-type steel sole plate of the present invention, can be used as the construction of bottom plates of all 4 pile rectangle high-rise pile cap steel suspended box cofferdams,
Under the big complicated sea situation of wave, effect is more notable.
Description of the drawings
Fig. 1 is the use state diagram of assembling-type bottom plate;
Fig. 2 is the main structure diagram of assembling-type bottom plate;
Fig. 3 is the close-up schematic view at A in Fig. 2;
Fig. 4 is the close-up schematic view at B in Fig. 2;
Fig. 5 is the overlooking structure diagram of assembling-type bottom plate;
Fig. 6 is the main structure diagram of frame A;
Fig. 7 is the side structure schematic view of frame A;
Fig. 8 is the overlooking structure diagram of frame A;
Fig. 9 is the main structure diagram of frame B;
Figure 10 is the left view structural representation of frame B;
Figure 11 is the overlooking structure diagram of frame B;
Figure 12 is the overlooking structure diagram of panel A;
Figure 13 is the overlooking structure diagram of panel B;
Figure 14 is the main structure diagram of hinged seat;
Figure 15 is the overlooking structure diagram of hinged seat;
Figure 16 is the structural schematic diagram of rabbeted butt joint;
Figure 17 is the C-C sectional views of Figure 16;
Figure 18 is the dismounting schematic diagram of assembling-type bottom plate;
In figure:1. steel pile casting, 2. cushion caps, 3. concrete dense back cover plates, 4. steel lifted trunk sidings, 5. assembling-type bottom plates, 501. constructions
The short support of platform, 502. operation platforms, 503. hinged seats, 5031. hinged risers, 5032. bearing ribs, 504. centres are right
Draw essence prick screw-thread steel, 505. both ends to draw support, 506. both ends to draw finish rolling short thread steel, 507. hanging decentralization screw-thread steel holes,
6. bottom plate A, 601. panel A, 602. protrusion tongue and grooves, 6021. protrusion side plates, 6022. protrusion risers, 6023. protrusion bottom plates,
6024. protrusion top plates, 7. bottom plate B, 701. panel B, 702. recessed tongue and grooves, 7021. recessed side plates, 7022. recessed top plates, 8. frames
The main support of frame, 9. frames time support.
Specific implementation mode
The specific implementation mode of the present invention is referring to Fig. 1-18:
A kind of piecemeal tongue and groove assembling-type steel sole plate that complexity sea situation steel lifted trunk can recycle completely, such as Fig. 2-5, including assembling-type bottom plate
5, the assembling-type bottom plate 5 includes the bottom plate B7 of centre, and the both sides of the bottom plate B7 are provided symmetrically and pass through rabbeted butt joint
Bottom plate A6, the bottom plate A6 together is equipped with the arch notch passed through for steel pile casting 1, the middle part of the assembling-type bottom plate 5
Equipped with being horizontally through the centre of the bottom plate A6 and the bottom plate B7 to drawing fining twisted steel 504, the bottom plate A6 and the bottom
Plate B7 is equipped with hanging decentralization screw-thread steel hole 507, and the surrounding of the assembling-type bottom plate 5 has extended perpendicularly out operation platform branch outward
Support 501.
As the front and rear sides of Fig. 5, the assembling-type bottom plate 5 are equipped with both ends to drawing finish rolling short thread steel 506, the bottom
The plate A6 and bottom plate B7 is equipped with for the both ends at docking to drawing the both ends that finish rolling short thread steel 506 passes through to be supported to drawing
505, the both ends are to drawing the side of support 505 to be equipped with the short support 502 of operation platform, the length of the short support of the operation platform 502
Degree is the half of the length of operation platform support 501.
If Fig. 6-13, the bottom plate A6 include frame A and panel A601, the bottom plate B7 include frame B and panel B701,
The frame A and frame B is formed by main 8 splicing of support of frame and frame time support 9, and the frame A includes " [ " shape structure
Outline border, the frame A's is internally provided with positioned at intermediate rectangle frame, and the inside of the rectangle frame is vertically disposed frame master
The inside of support 8, the rectangle frame is equipped with protrusion tongue and groove 602, and the both ends of the frame A are to drawing the inside of support 505 also to be provided with
Tongue and groove 602 is protruded, the both sides of the rectangle frame are equipped with C font notches, and the edge of the C fonts notch includes transverse frame master
Support 8, the main support 8 of tilt frame and the main support 8 of vertical frame, the frame B includes the outline border of rectangular configuration, the frame B
Be internally provided with the main support 8 of vertically disposed frame, the middle part of the frame B is equipped with corresponding recessed with the protrusion tongue and groove 602
Into tongue and groove 702, the both ends of the frame B support 505 also to be provided with recessed tongue and groove 702 corresponding with the protrusion tongue and groove 602 to drawing,
The panel A601 and panel B701 is rectangular panel, and the panel A601 is equipped with corresponding with the C fonts notch
Arch notch, the both sides of the C fonts notch are equipped with the frame time support 9 being laterally arranged, and being internally provided with for the rectangle frame is perpendicular
To the frame time support 9 of setting, the frame B's is internally provided with the frame time support 9 being laterally arranged, and the frame is main to support 8
With the both ends to drawing support 505 for the identical H profile steel of model, the frame time support 9 is angle steel, the operation platform support
501 and the short support 502 of the operation platform be less than the H profile steel of the main support of the frame 8, operation platform support for size
501 with the both ends to draw support 505 equal length, using H profile steel as assembling-type bottom plate 5 frame it is main support 8, Yi Jia
Work and rigidity is big, is unlikely to deform under the impact of huge wave force.
Such as Fig. 2-4,14 and 15, the operation platform support 501 and the short root for supporting 502 of the operation platform are equipped with
The hinged seat 503 of installation lifting wall panel, the hinged seat 503 include two hinged risers 5031 that are parallel and being oppositely arranged,
The outside of the hinged riser 5031 is connected with bearing rib 5032.
Such as Figure 16-17, tongue and groove includes the protrusion tongue and groove 602 being welded and recessed tongue and groove 702, protrudes tongue and groove 602 and recessed
Into tongue and groove 702 be welded on frame it is main support 8 H profile steel it is intraperitoneal, tongue and groove spacing 20cm ~ 30cm is serrated, when assembled,
The protrusion tongue and groove 602 of the bottom plate A6 on both sides is filled in the recessed tongue and groove 702 of bottom plate B7, occlusion, the protrusion tongue and groove 602 are formed
Protrusion side plate 6021 including both sides is equipped between two protrusion side plates 6021 and is vertically arranged and convex positioned at outer ledge
Go out riser 6022, the lower end of the protrusion riser 6022 is equipped with that overlapped is convex with the H profile steel bottom flap of the main support of the frame 8
Go out bottom plate 6023, the upper end of the protrusion riser 6022 be obliquely installed and with wing plate at the top of the H profile steel of the main support of the frame 8
The protrusion top plate 6024 of connection, the recessed tongue and groove 702 include the recessed top plate 70227021 of both sides, two recessed tops
Be equipped with the recessed top plate that is located above and is obliquely installed between plate 70227021, the top and bottom of the recessed top plate respectively with
The main top wing plate for supporting 8 of the frame is connected with web.
Under the big complicated sea situation of wave, which can all remove recycling after the completion of cushion cap 2 is constructed
It is used in turn, zero loss saves great deal of steel input, saves construction cost.
The assembling-type bottom plate 5 carries out prefabricated, on-site consolidation, uses rabbeted butt joint between bottom plate A6 and bottom plate B7, then with smart
Screw-thread steel is rolled to drawing assembled connection, quick construction that the assembly of assembling-type bottom plate 5 can be rapidly completed, save a large amount of site weldings
It connects and the set-up time.
The assembling-type steel sole plate of the present invention, the bottom plate that can be used as all 4 pile rectangle high-rise pile cap, 2 steel suspended box cofferdams are applied
Work, under the big complicated sea situation of wave, effect is more notable.
Such as Fig. 1, complicated sea situation is constructed using the steel lifted trunk of the assembling-type steel sole plate of the present invention, is comprised the following steps:It removes
Drilling platform cuts off steel pile casting 1 and arrives specified absolute altitude;The assembled bracket of assembling-type bottom plate 5 is welded on steel pile casting 1, by bottom plate A6 and
Bottom plate B7 is stitched together simultaneously, and installation hanging distribution beam locks bottom plate using hanging fining twisted steel;Branch in installing bottom layer purlin
Support and steel lifted trunk siding 4 install top layer inner support;Steel lifted trunk transfers to designed elevation, and accurate adjustment simultaneously reinforces limit steel lifted trunk, welding
Back-pressure bracket;Casting concrete seal base 3;Hanging is released, steel pile casting 1, broken pile head are cut off;2 pier stud of cushion cap is constructed;Pier stud is applied
After work goes out the water surface, purlin inner support, hanging box siding, assembling-type bottom plate 5 are removed successively according to sequencing.
The installation of assembling-type bottom plate 5:Assembled bracket is welded on steel pile casting 1, and intermediate bottom plate B7 is first mounted on assembly
On bracket, then respectively by bottom plate A6 from both sides close to bottom plate B7, the recessed tongue and groove of the protrusion tongue and groove 602 and bottom plate B7 of bottom plate A6
702 alignment form occlusion, install the centre of assembling-type bottom plate 5 to drawing fining twisted steel 504 and both ends to drawing essence to prick screw-thread steel, and
With the power of the certain tonnage of jack tension, make intermediate to drawing fining twisted steel 504 and both ends to be tightened to drawing essence bundle screw-thread steel to be in
State.
The dismounting of partitioned underplate:Before removing steel lifted trunk siding 4, assembling-type bottom plate 5 is hung on chain block and is held
On 2 pier stud of platform, then block-by-block removes steel lifted trunk siding 4;Bottom plate A6 and bottom plate B7 are all hung using chain block and held, steel
After hanging box siding 4 is all removed, the centre of assembling-type bottom plate 5 is extracted to drawing fining twisted steel 504 and both ends to drawing essence to prick screw thread
The bottom plate A6 of both sides first is pulled out by steel, such as Figure 18 with crane toward both sides(Chain block is released when dragging), then from centre
Pull out bottom plate B7 toward one end.
Claims (8)
1. a kind of piecemeal tongue and groove assembling-type steel sole plate that complexity sea situation steel lifted trunk can recycle completely, it is characterised in that:Including assembly
Type bottom plate, the assembling-type bottom plate include the bottom plate B of centre, and the both sides of the bottom plate B are provided symmetrically and by tongue and groove pair
The bottom plate A being connected together, the bottom plate A are equipped with the arch notch passed through for steel pile casting, are set in the middle part of the assembling-type bottom plate
There is the centre for being horizontally through the bottom plate A and the bottom plate B to drawing fining twisted steel, the bottom plate A and the bottom plate B are equipped with
Hanging decentralization screw-thread steel hole, the surrounding of the assembling-type bottom plate have extended perpendicularly out operation platform support outward.
2. the piecemeal tongue and groove assembling-type steel sole plate that complexity sea situation steel lifted trunk according to claim 1 can recycle completely, special
Sign is:The front and rear sides of the assembling-type bottom plate is equipped with both ends to drawing finish rolling short thread steel, the bottom plate A and the bottom
Plate B is equipped with for the both ends at docking to drawing the both ends that finish rolling short thread steel passes through to be supported to drawing.
3. the piecemeal tongue and groove assembling-type steel sole plate that complexity sea situation steel lifted trunk according to claim 2 can recycle completely, special
Sign is:To drawing the side of support to be equipped with the short support of operation platform, the length of the short support of operation platform is institute at the both ends
State the half of the length of operation platform support.
4. the piecemeal tongue and groove assembling-type steel sole plate that complexity sea situation steel lifted trunk according to claim 3 can recycle completely, special
Sign is:The bottom plate A includes frame A and panel A, the bottom plate B include frame B and panel B, the frame A and the frame
Frame B is supported by frame main support splicing and frame, the frame A include " outline border of " shape structure, the frame A's
It is internally provided with positioned at intermediate rectangle frame, the inside of the rectangle frame is the main support of vertically disposed frame, the rectangle frame
Inside is equipped with protrusion tongue and groove, and the both ends of the frame A are to drawing the inside of support also to be provided with protrusion tongue and groove, the both sides of the rectangle frame
C font notches are equipped with, the edge of the C fonts notch includes the main support of transverse frame, the main support of tilt frame and vertical frame
The main support of frame, the frame B include the outline border of rectangular configuration, and the frame B's is internally provided with the main support of vertically disposed frame,
The middle part of the frame B is equipped with recessed tongue and groove corresponding with the protrusion tongue and groove, and the both ends of the frame B are to drawing support also to be provided with
Recessed tongue and groove corresponding with the protrusion tongue and groove, the panel A and the panel B are rectangular panel, the panel A be equipped with
The corresponding arch notch of the C fonts notch, the both sides of the C fonts notch are equipped with the frame time support being laterally arranged, described
Rectangle frame is internally provided with vertically arranged frame time support, and the frame B's is internally provided with the frame time support being laterally arranged.
5. the piecemeal tongue and groove assembling-type steel sole plate that complexity sea situation steel lifted trunk according to claim 4 can recycle completely, special
Sign is:The root of the operation platform support and the short support of the operation platform is equipped with being hinged for installation lifting wall panel
Seat.
6. the piecemeal tongue and groove assembling-type steel sole plate that complexity sea situation steel lifted trunk according to claim 5 can recycle completely, special
Sign is:The main support of the frame and the both ends are the identical H profile steel of model to drawing support, and the frame time support is angle
Steel, the operation platform support and the short support of the operation platform are the H profile steel that size is less than the main support of the frame, described to apply
Work platform is with the both ends to drawing the equal length supported.
7. the piecemeal tongue and groove assembling-type steel sole plate that complexity sea situation steel lifted trunk according to claim 6 can recycle completely, special
Sign is:The protrusion tongue and groove includes the protrusion side plate of both sides, is equipped between two protrusion side plates and is vertically arranged and is located at
The protrusion riser of outer ledge, the lower end of the protrusion riser is equipped with to be overlapped with the H profile steel bottom flap of the main support of the frame
Protrusion bottom plate, it is described protrusion riser upper end be obliquely installed and with the H profile steel of the main support of the frame at the top of wing plate connect
Protrusion top plate, the recessed tongue and groove includes the recessed side plate of both sides, be equipped between two recessed side plates be located above and
The recessed top plate being obliquely installed, the top and bottom of the recessed top plate respectively with the top wing plate and abdomen of the main support of the frame
Plate connects.
8. the piecemeal tongue and groove assembling-type steel sole plate that complexity sea situation steel lifted trunk according to claim 5 can recycle completely, special
Sign is:The hinged seat includes two hinged risers that are parallel and being oppositely arranged, and branch is connected on the outside of the hinged riser
Support gusset.
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CN201810414747.XA CN108316332B (en) | 2018-05-03 | 2018-05-03 | Sectional steel bottom plate is assembled to but complicated sea state steel hanging box complete recovery's piecemeal tongue-and-groove |
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CN201810414747.XA CN108316332B (en) | 2018-05-03 | 2018-05-03 | Sectional steel bottom plate is assembled to but complicated sea state steel hanging box complete recovery's piecemeal tongue-and-groove |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109083180A (en) * | 2018-08-30 | 2018-12-25 | 徐东科 | A kind of piecemeal tongue and groove assembling-type steel sole plate that complexity sea situation steel lifted trunk can recycle completely |
CN111021360A (en) * | 2019-11-12 | 2020-04-17 | 中国铁建大桥工程局集团有限公司 | Method for salvaging massive bottom supporting plate integrally in river in blocking mode |
CN111827322A (en) * | 2020-07-27 | 2020-10-27 | 华东交通大学 | Steel hanging box device for checking and maintaining underwater bearing platform of existing bridge |
CN113216231A (en) * | 2021-04-28 | 2021-08-06 | 湖南常德路桥建设集团有限公司 | Hanging box cofferdam structure and deepwater bearing platform construction method applying same |
CN113529763A (en) * | 2021-07-01 | 2021-10-22 | 中铁十九局集团华东工程有限公司 | Method for constructing sea area shoal cushion cap by utilizing reinforced concrete combined steel cofferdam |
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