CN108611990A - A kind of Hanging Basket for box arch bridge cantilever pouring - Google Patents
A kind of Hanging Basket for box arch bridge cantilever pouring Download PDFInfo
- Publication number
- CN108611990A CN108611990A CN201810898861.4A CN201810898861A CN108611990A CN 108611990 A CN108611990 A CN 108611990A CN 201810898861 A CN201810898861 A CN 201810898861A CN 108611990 A CN108611990 A CN 108611990A
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- Prior art keywords
- truss
- arch bridge
- belfast
- hanging basket
- piece
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/10—Cantilevered erection
- E01D21/105—Balanced cantilevered erection
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D4/00—Arch-type bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides a kind of Hanging Basket for box arch bridge cantilever pouring, including main couple and connector；Main couple includes plane girder, side truss group and truss frame for connecting, and plane girder is the horizontally disposed frame structure formed by longeron group and crossbeam group；Side truss group includes at least one set of belfast truss, and belfast truss is arranged on the plane girder, and truss frame for connecting is connect with belfast truss；Connector includes at least one set of connection single-piece for connecting main couple and box arch bridge, and plane girder and connection single-piece form the cavity that segment has been poured for accommodating box arch bridge.The cradle structure of the present invention is simple, convenient for disassembly and assembly；Underneath type structure design can reduce flexural deformation when main couple cantilever state, reduce difficulty of construction；Walking is detached with cantilever state, improves the stability used for the Hanging Basket of box arch bridge cantilever pouring.
Description
Technical field
The present invention relates to technical field of bridge construction, and in particular to a kind of Hanging Basket for box arch bridge cantilever pouring.
Background technology
Hanging Basket is played and is held in arch ring concreting process as an important equipment in cantilever pouring construction method
The effects that carrying on a shoulder pole segment weightlessness and job platform be provided.Since Hanging Basket is mounted on curvilinear arch ring, constructs and connect
The Hanging Basket used in continuous beam bridge, continuous rigid frame bridge and cable-stayed bridge is configured with larger difference.Whether the design of Hanging Basket rationally will be straight
Connect the complexity for being related to construction, the quality of bridge construction and the progress of construction.
Existing Hanging Basket type is various, but has the following defects：(1) end movement is bigger than normal before existing Hanging Basket, increases cantilever
Construction control difficulty；(2) existing Hanging Basket center of gravity is higher, and there are suspended basket and job stability poors；(3) after Hanging Basket
Anchor section needs corresponding mechanism to ensure the reliability of anchoring, and structure is more complex and security risk is larger；(4) because Hanging Basket needs edge
Arch ring curved path walking, existing Hanging Basket are difficult many using rigid connection；(5) suspension pouring arch-type bridge side form pacifies, tears inconvenience open, general at present
Using small-sized cable hang auxiliary square can complete peace tear open, it is time-consuming.
It simplifies in conclusion being badly in need of a kind of structure, is easy for construction, can ensure that and pour and the stability of walking states and full
The Hanging Basket of sufficient box arch bridge cantilever pouring is to solve problems of the prior art.
Invention content
The purpose of the present invention is to provide a kind of structures to simplify, it is easy for construction, can ensure that the stabilization poured with walking states
Property and the Hanging Basket for meeting box arch bridge cantilever pouring, specific technical solution are as follows：
A kind of Hanging Basket for box arch bridge cantilever pouring, including main couple and connector；
The main couple includes plane girder, side truss group and truss frame for connecting, and the plane girder is by longeron group
The horizontally disposed frame structure formed with crossbeam group；The side truss group includes at least one set of belfast truss, the arch
Truss is arranged on the plane girder, and the truss frame for connecting is connect with the belfast truss；
The connector includes at least one set of connection single-piece for connecting the main couple and box arch bridge, the plane
Truss and the connection single-piece form the cavity that segment has been poured for accommodating box arch bridge.
Preferred in above technical scheme, the side truss group includes two groups of belfast trusses being set up in parallel, two groups of institutes
It states belfast truss to be arranged in the plane girder along the both ends in boom width direction, belfast truss is corresponding described in two groups sets
It sets, and the truss frame for connecting connects the lower end of belfast truss described in two groups.Belfast truss is oppositely arranged so that entire Hanging Basket has
The features such as symmetry is more preferable, stability is good, easy for assemble or unload.Belfast truss described in two groups with the plane girder at 15 °-
(preferably 45 ° -90 °, more preferable 75 ° -90 °) are arranged in 90 ° of angles, improve the connective stability and intensity of entire Hanging Basket.
Preferred in above technical scheme, the connector includes two groups of companies being arranged in a one-to-one correspondence with the belfast truss
Order part；Connection single-piece described in the plane girder and two groups forms the cavity that segment has been poured for accommodating box arch bridge.Even
The quantity of order part can be selected according to actual demand, and the same belfast truss is good using two connection single-pieces being set up in parallel,
Meets the needs of different.
Preferred in above technical scheme, the connection single-piece includes screw connecting piece and hanging hook assembly, and the lead screw connects
The lower end of fitting is connect with the belfast truss and the upper end and the box arch bridge segment detachable connection that has poured；It is described
The lower end of hanging hook assembly connect with the belfast truss and the upper end and the hogback track in the box arch bridge poured is arranged
Match.
Preferred in above technical scheme, the hanging hook assembly is the body structure being welded by steel plate, the babinet
Structure is equipped with assembly threaded hole.Hanging hook assembly can also use other conventional designs in the prior art according to actual demand.
Preferred in above technical scheme, by two groups of longeron single-pieces and at least, two crossbeams form the plane girder
Frame structure, the longeron single-piece include at least two longerons being arranged in series, and are flexibly connected between adjacent two longerons；It is described
Plane girder is equipped with multiple diamond shapes and stablizes truss, and the both ends that the single diamond shape stablizes truss are lived with two longerons respectively
Dynamic connection, for reinforcing the plane girder.The quantity of longeron single-piece and the quantity of crossbeam can be selected according to actual demand, can
It is set up in parallel with the single-piece using three or more.
Preferred in above technical scheme, the belfast truss includes arch longeron, and the arch longeron is by along arm length
The more carlings composition that degree direction is arranged in series, the belfast truss are equipped with more purlin formula rod pieces, the single purlin formula bar
The both ends of part are movably connected with longeron and the arch longeron in the plane girder, and the purlin formula rod piece is for reinforcing institute
State belfast truss.
Preferred in above technical scheme, the truss frame for connecting includes multiple K shapes connectors, and the two of the K shapes connector
End is flexibly connected with the arch longeron in belfast truss described in two groups respectively.The structure of truss frame for connecting can be selected according to actual demand
It selects, it is therefore an objective to reinforce the strength and stability of entire Hanging Basket, the combination of multiple quadrilateral structure single-pieces can also be used either
The combination etc. of more single poles.
It is preferred in above technical scheme, between the plane girder and belfast truss, the belfast truss and the company
It connects between truss, be flexibly connected between the connection single-piece and the plane girder.Flexible connection herein can be axis pin
Connection can also use other connection types such as feed screw nut's combination, unit bolt nut, meet Hanging Basket use demand.
It applies the technical scheme of the present invention, has the advantages that：
(1) Hanging Basket for box arch bridge cantilever pouring of the invention includes main couple and connector, and main couple includes
Plane girder, side truss group and truss frame for connecting, side truss group include two groups of belfast trusses.Overall structure is simplified, and is passed through
Setting belfast truss, preferably two groups of belfast trusses, and by two groups of belfast truss sides, before both effectively reducing rear-support hanging basket
End movement, and solve the problems, such as side form peace well, tear open；The set-up mode of Hanging Basket bottom plate truss and belfast truss of the present invention, in conjunction with
The set-up mode of two groups of connection single-pieces so that entire main couple is underlying, and Hanging Basket center of gravity is minimum, and traveling is ensured with least way
And the stabilization of cantilever state, while to wait for that cantilever segment provides maximum working space.
(2) connection single-piece includes screw connecting piece and hanging hook assembly in the present invention, the lower end of the screw connecting piece and institute
State belfast truss connection and the upper end and the box arch bridge segment detachable connection that has poured；The lower end of the hanging hook assembly
It is connect with the belfast truss and the upper end matches with the hogback track for being arranged in the box arch bridge poured.Using such
The structure for connecting single-piece accomplishes point for pouring state and walking states convenient for meeting dual requirements when Hanging Basket is poured and walked
From further reduced Hanging Basket service factor, improve construction safety performance.Hanging hook assembly further includes the components (reference such as reaction wheel
The prior art), the balance of the Hanging Basket front end for box arch bridge cantilever pouring is maintained, the extension of box arch bridge cantilever pouring is used in
Basket smooth running, the stability under the creative Hanging Basket walking states solved for box arch bridge cantilever pouring.
(3) plane girder is described to indulge by two groups of longeron single-pieces and frame structure that at least two crossbeams form in the present invention
Beam single-piece includes at least two longerons being arranged in series, and is flexibly connected between adjacent two longerons, structure is simplified, and disclosure satisfy that
Demand of the Hanging Basket along arch ring curved path walking.The plane girder is equipped with multiple diamond shapes and stablizes truss, and the single diamond shape is stablized
The both ends of truss are flexibly connected with two longerons respectively, for reinforcing the plane girder.
(4) heretofore described belfast truss includes arch longeron, and the arch longeron along jib-length direction by connecting
The more carlings composition being arranged, the belfast truss are equipped with more purlin formula rod pieces, the both ends point of the single purlin formula rod piece
The longeron and the arch longeron not being flexibly connected in the plane girder, the purlin formula rod piece is for reinforcing the arch purlin
Frame.Truss frame for connecting includes multiple K shapes connectors, the both ends of the K shapes connector respectively with the bow in belfast truss described in two groups
Shape longeron is flexibly connected.The intensity for improving belfast truss and truss frame for connecting, to improve the usage safety performance of Hanging Basket.
(5) present invention between plane girder and belfast truss, between the belfast truss and the truss frame for connecting, it is described
It is flexibly connected between connection single-piece and the plane girder, better meets dismounting of the Hanging Basket along arch ring curved path walking and Hanging Basket
Transport.
(6) cradle structure using the present invention, segment zones to be poured are located at the Hanging Basket for box arch bridge cantilever pouring
Inside, formwork for placing can be directly mounted on main couple, at the same arch ring end template use disposable cambered design, with bent generation it is bent
Mode, arch ring arc Linear Error is near minimum, and cantilever process is convenient for disassembly and assembly without adjusting again to bed die camber line, has
Effect simplifies working procedure.
Other than objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is described in further detail.
Description of the drawings
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the overall structure diagram of the Hanging Basket for box arch bridge cantilever pouring in embodiment 1；
Fig. 2 is the structural schematic diagram of plane girder in Fig. 1；
Fig. 3 is the attachment structure schematic diagram of belfast truss and longeron single-piece in Fig. 1；
Fig. 4 is the attachment structure schematic diagram of truss frame for connecting and two groups of longeron single-pieces in Fig. 1；
Fig. 5 is the assembling schematic diagrams of Fig. 1 in the operating condition；
Wherein, 1, main couple, 1.1, plane girder, 1.11, longeron group, 1.12, crossbeam group, 1.13, diamond shape stablize truss,
1.2, side truss group, 1.21, belfast truss, A, arch longeron, 1.22, purlin formula rod piece, 1.3, truss frame for connecting, 2, connector,
2.1, single-piece is connected, 3, poured segment, 4, segment to be poured.
Specific implementation mode
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited according to claim
Fixed and covering multitude of different ways is implemented.
Embodiment 1：
Referring to Fig. 1-5, a kind of Hanging Basket for box arch bridge cantilever pouring is outstanding for box arch bridge in practice
The Hanging Basket that arm pours is in two kinds of working conditions, i.e. walking states and cantilever state.
The Hanging Basket for box arch bridge cantilever pouring of the present embodiment includes main couple 1 and connector 2, and Details as Follows：
The main couple 1 includes plane girder 1.1, side truss group 1.2 and truss frame for connecting 1.3, specifically：
The plane girder 1.1 is the horizontally disposed frame structure formed by longeron group 1.11 and crossbeam group 1.12, in detail
See that Fig. 2, the longeron group 1.11 include two groups of longeron single-pieces, the longeron single-piece includes two longerons being arranged in series, adjacent
It is flexibly connected between two longerons；The crossbeam group includes seven crossbeams being set up in parallel.The plane girder 1.1 is equipped with four
A diamond shape stablizes truss 1.13, and the both ends that the single diamond shape stablizes truss 1.13 are flexibly connected with two longerons respectively,
For reinforcing the plane girder 1.1.
The side truss group 1.2 includes two groups of belfast trusses 1.21, refers to Fig. 3, belfast truss 1.21 described in two groups is set
It sets along the both ends in boom width direction in the plane girder 1.1,1.21 corresponding setting of belfast truss described in two groups, and institute
State the lower end that truss frame for connecting 1.3 connects belfast truss 1.21 described in two groups.Belfast truss 1.21 described in two groups with the plane
Truss 1.1 is arranged (preferably 90 ° herein) at 15 ° of -90 ° of angles, belfast truss 1.21 described in the truss frame for connecting 1.3 and two groups
Lower end connects.Preferably, the belfast truss 1.21 includes arch longeron A, and the arch longeron along jib-length direction by going here and there
The more carlings composition of connection setting, the belfast truss 1.21 are equipped with more purlin formula rod pieces 1.22, the single purlin formula bar
The both ends of part 1.22 are movably connected with longeron and the arch longeron in the plane girder 1.1, the purlin formula rod piece
1.22 for reinforcing the belfast truss 1.21.The truss frame for connecting 1.3 includes the group of multiple K shapes connectors and Duo Gen connecting rods
Close, refer to Fig. 4, the both ends of the K shapes connector and part connecting rod respectively with the arch in belfast truss 1.21 described in two groups
Longeron is flexibly connected, and connecting rod described in remainder connects the K shapes connector and arch longeron.
The connector 2 includes two groups of connection single-pieces 2.1 for connecting the main couple 1 and box arch bridge, and described
Connection single-piece 2.1 and the belfast truss 1.21 are arranged in a one-to-one correspondence, and single-piece is connected described in the plane girder 1.1 and two groups
2.1 form the cavity that segment has been poured for accommodating box arch bridge.Preferably, the connection single-piece 2.1 includes screw connecting piece
And hanging hook assembly, the lower end of the screw connecting piece is connect with the belfast truss 1.21 and the upper end and the box that has poured
Arch bridge segmental detachable connection；The lower end of the hanging hook assembly is connect with the belfast truss 1.21 and the upper end exists with setting
The hogback track of the box arch bridge poured matches.The hanging hook assembly is the body structure being welded by steel plate, institute
It states body structure and is equipped with assembly threaded hole.
Between plane girder 1.1 described in the present embodiment and belfast truss 1.21, the belfast truss 1.21 and the company
It connects between truss 1.3, be flexibly connected between the connection single-piece 2.1 and the plane girder 1.1, it is preferred to use axis pin activity
Connection.
Using the Hanging Basket for box arch bridge cantilever pouring of the present embodiment：
When cantilever state, segment 3 is poured and has been located at plane girder 1.1 and two in the Hanging Basket for box arch bridge cantilever pouring
In the cavity that the group connection single-piece 2.1 is formed, using screw connecting piece by the master for the Hanging Basket of box arch bridge cantilever pouring
Truss, which is anchored in, have been poured on segment 3, it is ensured that the stability under cantilever state for the Hanging Basket of box arch bridge cantilever pouring；Position
Upper area in 1.1 front end of plane girder is 4 region of segment to be poured, and working space is big.
When walking, screw connecting piece is removed on segment 3 from having poured, is encircleed in the box poured by hanging hook assembly
Specific position is run on the hogback track of bridge；By screw connecting piece by the main truss for the Hanging Basket of box arch bridge cantilever pouring
Frame, which is anchored in, have been poured on segment 3, and pouring for next segment is carried out.
It applies the technical scheme of the present invention, effect is：(1) end movement is small before rear-support hanging basket, reduces cantilever casting construction control
Difficulty processed；(2) main couple is underlying, Hanging Basket center of gravity is low, and traveling and job stability are high；(3) shape from anchor is creatively used
Formula is balanced, i.e., traveling when the balance of Hanging Basket front end is maintained by reaction wheel；Inch is poured to realize by adjustable height counter-force buttress
The balance of Hanging Basket front end；(4) pin joint is used between each component of main couple, is well positioned to meet Hanging Basket along arch ring curved path walking；(5)
Belfast truss is set in arch ring side, had not only effectively reduced the preceding end movement of rear-support hanging basket, but also solves side form peace well, tear open
Problem；(6) connector uses the combination of screw connecting piece and hanging hook assembly, accomplishes, support system is kept completely separate, that is, pours shape
The separation of state and walking states, Hanging Basket service factor are low；(7) Hanging Basket of the invention can match arch ring end template and use disposable arc
Shape designs, in such a way that bent generation is bent, reduces the linear error of arch ring arc, cantilever process without adjusting bed die camber line again
It is whole, simplify working procedure, and good appearance.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of Hanging Basket for box arch bridge cantilever pouring, which is characterized in that including main couple (1) and connector (2)；
The main couple (1) includes plane girder (1.1), side truss group (1.2) and truss frame for connecting (1.3), the plane
Truss (1.1) is the horizontally disposed frame structure formed by longeron group (1.11) and crossbeam group (1.12)；The side truss
Group (1.2) includes at least one set of belfast truss (1.21), and the belfast truss (1.21) is arranged in the plane girder (1.1)
On, the truss frame for connecting (1.3) connect with the belfast truss (1.21)；
The connector (2) includes at least one set of connection single-piece (2.1) for connecting the main couple (1) and box arch bridge,
The plane girder (1.1) and the connection single-piece (2.1) form the cavity that segment has been poured for accommodating box arch bridge.
2. the Hanging Basket according to claim 1 for box arch bridge cantilever pouring, which is characterized in that the side truss group
(1.2) include two groups of belfast trusses being set up in parallel (1.21), belfast truss (1.21) described in two groups is arranged in the plane purlin
Along the both ends in boom width direction in frame (1.1), belfast truss (1.21) corresponding setting described in two groups, and the truss frame for connecting
(1.3) lower end of belfast truss (1.21) described in two groups is connected；
Belfast truss (1.21) described in two groups is arranged with the plane girder (1.1) at 15 ° of -90 ° of angles.
3. the Hanging Basket according to claim 2 for box arch bridge cantilever pouring, which is characterized in that the connector (2)
The connection single-piece (2.1) being arranged in a one-to-one correspondence with the belfast truss (1.21) including two groups；The plane girder (1.1) and two
The group connection single-piece (2.1) forms the cavity that segment has been poured for accommodating box arch bridge.
4. the Hanging Basket according to claim 3 for box arch bridge cantilever pouring, which is characterized in that the connection single-piece
(2.1) include screw connecting piece and hanging hook assembly, the lower end of the screw connecting piece connect with the belfast truss (1.21) and
The upper end and the box arch bridge segment detachable connection poured；The lower end of the hanging hook assembly and the belfast truss
(1.21) connection and the upper end matches with the hogback track for being arranged in the box arch bridge poured.
5. the Hanging Basket according to claim 4 for box arch bridge cantilever pouring, which is characterized in that the hanging hook assembly is
The body structure being welded by steel plate, the body structure are equipped with assembly threaded hole.
6. the Hanging Basket for box arch bridge cantilever pouring according to claim 1-5 any one, which is characterized in that described
Plane girder (1.1) is by two groups of longeron single-pieces and frame structure that at least two crossbeams form, and the longeron single-piece includes going here and there
Join at least two longerons of setting, is flexibly connected between adjacent two longerons；The plane girder (1.1) is equipped with multiple diamond shapes
Stablize truss (1.13), the both ends that the single diamond shape stablizes truss (1.13) are flexibly connected with two longerons, use respectively
In the reinforcing plane girder (1.1).
7. the Hanging Basket according to claim 6 for box arch bridge cantilever pouring, which is characterized in that the belfast truss
(1.21) include arch longeron, the arch longeron is described by being formed along the more carlings that jib-length direction is arranged in series
Belfast truss (1.21) is equipped with more purlin formula rod pieces (1.22), and activity connects respectively at the both ends of the single purlin formula rod piece (1.22)
The longeron in the plane girder (1.1) and the arch longeron are connect, the purlin formula rod piece (1.22) is for reinforcing the arch
Truss (1.21).
8. the Hanging Basket according to claim 7 for box arch bridge cantilever pouring, which is characterized in that the truss frame for connecting
(1.3) include multiple K shapes connectors and/or more connecting rods, the both ends of the K shapes connector or the connecting rod respectively with
Arch longeron flexible connection in belfast truss (1.21) described in two groups.
9. the Hanging Basket according to claim 1 for box arch bridge cantilever pouring, which is characterized in that the plane girder
(1.1) between belfast truss (1.21), between the belfast truss (1.21) and the truss frame for connecting (1.3), the connection
It is flexibly connected between single-piece (2.1) and the plane girder (1.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810898861.4A CN108611990A (en) | 2018-08-08 | 2018-08-08 | A kind of Hanging Basket for box arch bridge cantilever pouring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810898861.4A CN108611990A (en) | 2018-08-08 | 2018-08-08 | A kind of Hanging Basket for box arch bridge cantilever pouring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108611990A true CN108611990A (en) | 2018-10-02 |
Family
ID=63666968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810898861.4A Pending CN108611990A (en) | 2018-08-08 | 2018-08-08 | A kind of Hanging Basket for box arch bridge cantilever pouring |
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| CN (1) | CN108611990A (en) |
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| CN200967931Y (en) * | 2006-08-23 | 2007-10-31 | 四川路桥建设股份有限公司 | Side-truss cradle for suspension pouring arch-type bridge |
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| CN105926464A (en) * | 2016-06-17 | 2016-09-07 | 贵州路桥集团有限公司 | Inverted hanging type trapezoid inclined climbing form traveler |
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