CN206721692U - A kind of hybrid structure of arch and beam continuous rigid frame bridge button hangs branch convolution constructing device - Google Patents
A kind of hybrid structure of arch and beam continuous rigid frame bridge button hangs branch convolution constructing device Download PDFInfo
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- CN206721692U CN206721692U CN201720358845.7U CN201720358845U CN206721692U CN 206721692 U CN206721692 U CN 206721692U CN 201720358845 U CN201720358845 U CN 201720358845U CN 206721692 U CN206721692 U CN 206721692U
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- box beam
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Abstract
The utility model discloses a kind of hybrid structure of arch and beam continuous rigid frame bridge button to hang branch convolution constructing device, including knotted rope system, Hanging Basket system and mounting system；Described knotted rope system includes being separately positioned on double limb main piers and the knotted rope duct in the cast-in-place lower edge arch box beam beam section of cantilever and the interim knotted rope through the knotted rope duct；Described Hanging Basket system includes being arranged in lower edge arch box beam, and can obliquely be walked along lower edge arch box beam bottom surface and adapt to the Hanging Basket of arch box beam slope variation；Described mounting system is arranged on the lower edge arch box beam top surface for completion of having constructed, and template temporary support is provided for being poured for the box girder cantilever that winds up.The utility model is on the premise of traditional cantilever construction technology is kept so that high-block bridge hybrid structure of arch and beam continuous rigid frame bridge hybrid structure of arch and beam framework region cantilever construction is possibly realized.
Description
Technical field
A kind of high-block bridge hybrid structure of arch and beam formula continuous rigid frame bridge hybrid structure of arch and beam frame area cantilever is the utility model is related to apply
Man-hour, lower edge arch box beam and box girder cantilever pouring construction technology of winding up, and in particular to one kind button hangs branch convolution constructing device.
Background technology
Prestressed concrete continuous rigid-framed bridge, there is big span ability, reasonable stress, driving smooth-going, easy for construction, maintenance
The advantages such as expense is low, steep to the high slope of Yushan Hill, the narrow mountain area mould in construction site has very strong adaptability.The Chinese company that oneself builds up
The main bridge type that is no less than 50, turns into China big or middle across footpath beam bridge of the continuous rigid frame bridge main span more than 200m.
Recent years, because span centre cracking, downwarp problem occur in more long-span rigid frame bridges, people are more likely to
The class formation across footpath is limited in 200~240m.Hybrid structure of arch and beam formula continuous rigid frame bridge is formal in conventional continuous rigid frame bridge
A kind of new remodeling, its main thought are to hollow out the web of box beam root, form wind up box beam section and lower edge arch box beam section
The hybrid structure of arch and beam framework of composition.Hybrid structure of arch and beam framework together constitutes the top of hybrid structure of arch and beam formula continuous rigid frame bridge with solid web girder section
Structure.Hybrid structure of arch and beam formula continuous rigid frame bridge to have given full play to hybrid structure of arch and beam framework lower edge arched girder section concrete bearing capacity strong
Advantage, while reduce the effective across footpath of structure, structural stress state optimized, so as to improve its span ability.
Because high pier hybrid structure of arch and beam formula bridge lower edge beam section can not use rack construction, and upper and lower string case in work progress
Beam can not independently bear the cradle construction load of long cantilever, need to use and aid in interim fixing means to complete pouring construction accordingly,
Still do not solve method preferably at present.Therefore, safely, conveniently, the rational hybrid structure of arch and beam frame area construction stage construction
Device and method is high-block bridge hybrid structure of arch and beam formula continuous rigid frame bridge construction and the key subsequently promoted.
Utility model content
The purpose of this utility model is to solve the deficiency of above-mentioned existing construction technical method, in existing technology premise
Under, there is provided a kind of button suitable for high-block bridge hybrid structure of arch and beam formula continuous rigid frame bridge hybrid structure of arch and beam frame construction is hung branch convolution and applied
Frock is put.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of hybrid structure of arch and beam continuous rigid frame bridge button hangs branch convolution constructing device, including knotted rope system, Hanging Basket system and branch
Frame system；
Described knotted rope system includes being separately positioned in double limb main piers and the cast-in-place lower edge arch box beam beam section of cantilever
Knotted rope duct and the interim knotted rope through the knotted rope duct；
Described Hanging Basket system includes being arranged in lower edge arch box beam, and can be along lower edge arch box beam bottom surface obliquely
Walk and adapt to the Hanging Basket of arch box beam slope variation；
Described mounting system is arranged on the lower edge arch box beam top surface for completion of having constructed, for being poured for the box girder cantilever that winds up
Build and template temporary support is provided.
Further, described interim knotted rope includes a plurality of, a plurality of interim knotted rope through corresponding double limb main piers and under
String arch box beam beam section knotted rope duct, respectively symmetrically it is anchored in outside the corresponding lower edge arch box beam beam section in double limb main pier both sides
End, forms interim knotted rope system, and lower edge arch box girder construction load is transferred into double limb main piers.
Further, the mounting system includes built-in fitting, steel pipe support and bed die, and described installation of embedded parts is in lower edge
In arch box beam, it is connected with steel pipe support；Described steel pipe support is vertically arranged, and top connection bed die, described bed die is upper
String box girder cantilever pours offer temporary support.
Further, described steel pipe support is just provided with horizontal support company at interval of a certain distance in the height direction
Connect.
Further, the knotted rope duct in lower edge arch box beam beam section is relative relative to the center line of double limb main piers
Should.
Further, described bed die is running type mounting system, and bed die installation is carried out using hydraulic synchronization jack
With the demoulding.
Branch convolution temporary fixing structure system is hung using described button, cantilever pouring is carried out to hybrid structure of arch and beam framework beam section
Construction method, including following steps：
Step 1：In double limb main pier limb posts behind pre-buried knotted rope duct, construct double limb main pier limb posts, pier top beam section, and
Pass through battered leg Construction of Supporting lower edge arch box beam# beam sections, prestressing force in the tensioning beam section；
Step 2：In lower edge arch box beamAssembled Hanging Basket system in # beam sections, and carry out load test；
Step 3：Pre-buried lower edge arch box beam beam section knotted rope duct, cradle construction lower edge arch box beam# beam sections, tensioning should
Prestressing force in beam section；；
Step 4：By lower edge arch box beamThe interim knotted rope of # beam sections passes through limb post and the pre-buried knotted rope of lower edge arch box beam beam section
Duct, and the corresponding interim knotted rope in the double limb main pier both sides of symmetrical tensioning；
Step 5：Lower edge Hanging Basket system bed die is reduced to lower edge bottom surface, and moves to lower edge arch box beam# beams front end, construction
Lower edge arch box beam# beam sections, prestressing force in the tensioning beam section, the corresponding interim knotted rope of symmetrical tensioning；
Step 6：Move forward Hanging Basket, prepares lower edge arch box beam# beam sections are constructed, while set up box beam of winding up# beam section branch
Frame system, prepare box beam of winding up# beam sections are constructed, and finish after-pouring lower edge arch box beam# beam sections, after-pouring wind up box beam# beam sections, after a period of time and when lower edge arch box beam intensity meets to require, tensioning lower edge arch box beam# beam section prestressing force
And interim knotted rope, after a period of time and box beam intensity of winding up meets when requiring that tensioning is winded up box beam# beam section prestressing force；
Step 7：Move forward Hanging Basket system, prepares lower edge arch box beam# beam sections are constructed, while set up box beam of winding up# beams
Section mounting system, prepares box beam of winding up# beam sections are constructed, and finish after-pouring lower edge arch box beam# beam sections, after-pouring wind up
Box beam# beam sections, after a period of time and when lower edge arch box beam intensity meets to require, tensioning lower edge arch box beam# beam sections are pre-
Stress and interim knotted rope, after a period of time and intensity of winding up meets when requiring that tensioning is winded up box beam# beam section prestressing force；
Step 8：Repeat step 7, until the construction of lower edge arch box beam beam section is completed, remove Hanging Basket system；
Step 9：Full framing is set up in continuation in lower edge arch box beam, and construction is completed residue and winded up box beam beam section；
Step 10：Hybrid structure of arch and beam framework all after the completion of construction, removes steel pipe support and bed die, and cuts interim knotted rope,
Knotted rope duct grouting is handled, completes hybrid structure of arch and beam frame construction.
Further, the double limb main pier both sides hybrid structure of arch and beam frameworks of institute should follow synchronous cantilever symmetrical construction, under first constructing
String arch box beam beam section, rear box beam beam section of winding up of constructing, box beam of winding up lag behind three beam sections of lower edge arch box beam.
The utility model has advantages below relative to prior art：
（1）Keeping the premise of traditional cantilever construction technology so that high-block bridge hybrid structure of arch and beam continuous rigid frame bridge arched girder
Group frame area cantilever construction is possibly realized.
（2）Fully combination make use of knotted rope system（Button）, Hanging Basket system（Hang）, full framing system（Branch）It is each interim solid
The characteristics of determining and advantage, working procedure is clearly reasonable, can greatly reduce the construction period.
（3）The temporary fixing structure system is simple, and structure stress is clear and definite, and construction safety is reliable, saves construction equipment and sets
It is standby, there is good engineering economy.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 hangs branch convolution temporary fixing structure architectural schematic for button；
Fig. 2 is lower edge arch box beam A-A sectional schematic diagrams；
Fig. 3 is that schematic diagram is completed in the construction of hybrid structure of arch and beam frame area
In figure：1- knotted rope systems, 2- Hanging Basket systems, 3- mounting systems, 4- knotted ropes duct, the interim knotted ropes of 5-, 6- built-in fittings,
7- steel pipe supports, 8- bed dies, the double limb main piers of 9-, 10- limb posts, 11- pier top beam sections, 12- lower edge arch box beams, 13- wind up case
Beam, 14- hybrid structure of arch and beam frameworks, 15- pier top center lines, 16- fixing cable anchorings point.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, in the prior art because high pier hybrid structure of arch and beam formula bridge lower edge beam section can not use
Rack construction, and upper and lower string box beam can not independently bear the cradle construction load of long cantilever in work progress, need to use corresponding
Aid in interim fixing means to complete pouring construction, still do not solve method preferably at present, in order to which the technology solved as above is asked
Topic, detained present applicant proposes one kind and hang branch convolution constructing device and method.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
When the utility model provides a kind of high-block bridge hybrid structure of arch and beam formula continuous rigid frame bridge construction, in order to complete arched girder group
The construction of frame area cantilever pouring is closed, a kind of structural system is simple, structure stress is clear and definite, construction safety is reliably detained and hangs branch combination
Formula constructing device and method.
With reference to shown in Fig. 1~Fig. 3, suitable for high-block bridge hybrid structure of arch and beam formula continuous rigid frame bridge hybrid structure of arch and beam frame construction
Button hangs branch convolution temporary fixing structure system, and the utility model is mainly by knotted rope system 1（Button）, Hanging Basket system 2（Hang）, support
System 3（Branch）Composition.Described knotted rope system 1 is made up of knotted rope duct 4, interim knotted rope 5.Described mounting system 3 is by pre-buried
Part 6, steel pipe support 7, bed die 8 form.
Described knotted rope system includes being separately positioned in double limb main piers and the cast-in-place lower edge arch box beam beam section of cantilever
Knotted rope duct and the interim knotted rope through the knotted rope duct；
Described Hanging Basket system includes being arranged in lower edge arch box beam, and can be along lower edge arch box beam bottom surface obliquely
Walk and adapt to the Hanging Basket of arch box beam slope variation；
Described mounting system is arranged on the lower edge arch box beam top surface for completion of having constructed, for being poured for the box girder cantilever that winds up
Build and template temporary support is provided, it includes built-in fitting, steel pipe support and bed die, and described installation of embedded parts is in lower edge arch box beam
On, it is connected with steel pipe support；Described steel pipe support is vertically arranged, and top connection bed die, described bed die hangs for box beam of winding up
Arm pours offer temporary support；Described steel pipe support is just provided with horizontal support at interval of a certain distance in the height direction
Connection.
With reference to shown in Fig. 1~Fig. 3, knotted rope duct 4 is separately positioned on double limb main piers 9, and the cast-in-place lower edge arch case of cantilever
In the beam section of beam 12.Interim knotted rope 5 is right respectively through corresponding double limb main piers 9 and the beam section knotted rope duct 4 of lower edge arch box beam 12
Claim the corresponding beam section outer end of lower edge arch box beam 12 for being anchored in double both sides of limb main pier 9, interim knotted rope system 1 is formed, by under
The beam section construction loads of string arch box beam 12 is transferred to double limb main piers 9.Interim knotted rope 5 is using normal intensity fpk=1860 MPa's
ΦS15.2 steel strand wires.
With reference to shown in Fig. 1~Fig. 3, Hanging Basket system 2 is arranged in lower edge arch box beam 12, and main function hangs with general firm structure
Arm construction hanging basket is identical, but is designed as being walked obliquely along the bottom surface of lower edge arch box beam 12, and adapts to arch box beam slope
The new Hanging Basket of change.
With reference to shown in Fig. 1~Fig. 3, mounting system 3 is arranged on the lower edge arch box beam top surface for completion of having constructed, and is mainly used to
Poured for the box girder cantilever that winds up and template temporary support is provided.Steel pipe support 7 uses φ 630 × 10mm steel pipes, in the height direction
Vertical, horizontal is set to contact at interval of 6.5 meters.Bed die is running type mounting system, and bed die 8 is carried out using hydraulic synchronization jack
Installation and the demoulding.
Branch convolution temporary fixing structure system is hung using described button, carrying out cantilever to the beam section of hybrid structure of arch and beam framework 14 pours
Construction method is built, the overall construction method of the utility model is：Double both sides hybrid structure of arch and beam frameworks 14 of limb main pier 9 should follow synchronization
Cantilever symmetrical construction, lower edge arch box beam 12 of first constructing beam section, the rear beam section of box beam 13 of winding up of constructing, winds up and lags behind lower edge three
The overall arrangement and method for construction of beam section.
Specifically include following steps：
Step 1：In double limb posts 10 of limb main pier 9 behind pre-buried knotted rope duct, construct double limb posts 10 of limb main pier 9, pier top
Beam section 11, and by traditional battered leg Construction of Supporting lower edge 1. # sections box beam beam section, prestressing force in tensioning beam section.
Step 2：In lower edge arch box beam 12Assembled Hanging Basket system 2 in # beam sections, and load test.
Step 3：The pre-buried beam section knotted rope duct 4 of lower edge arch box beam 12, cradle construction lower edge arch box beam 12# beam sections,
Prestressing force in tensioning beam section.
Step 4：WillThe interim knotted rope 5 of # beam sections passes through limb post 10 and the pre-buried knotted rope duct 4 of the beam section of lower edge arch box beam 12,
And the corresponding interim knotted rope 5 in the double both sides of limb main pier 9 of symmetrical tensioning.
Step 5：The bed die of lower edge Hanging Basket system 2 is reduced to lower edge bottom surface, and moves to lower edge# beams front end, construction lower edge arch
Shape box beam 12# beam sections, prestressing force in tensioning beam section, the corresponding interim knotted rope 5 of symmetrical tensioning.
Step 6：Move forward Hanging Basket, prepares lower edge arch box beam 12# beam sections are constructed, while set up box beam 13 of winding up# beams
Section mounting system 3, prepares box beam 13 of winding up# beam sections are constructed, and finish after-pouring lower edge arch box beam 12# beam sections, after-pouring
Box beam of winding up 13# beam sections, after 5 days and when the intensity of lower edge arch box beam 12 meets to require, tensioning# beam sections prestressing force and face
When knotted rope is after 5,7 days and intensity of winding up meets that tensioning is winded up when requiring# beam section prestressing force；
Step 7：Move forward Hanging Basket, prepares lower edge arch box beam 12# beam sections are constructed, while set up box beam 13 of winding up# beams
Section mounting system 3, prepares box beam 13 of winding up# beam sections are constructed, and finish after-pouring lower edge arch box beam 12# beam sections, after-pouring
Box beam of winding up 13# beam sections, after 5 days and when the intensity of lower edge arch box beam 12 meets to require, tensioning# beam sections prestressing force and face
When knotted rope is after 5,7 days and intensity of winding up meets that tensioning is winded up when requiring# beam section prestressing force；
Step 8：Repeat step 7, until the construction of the beam section of lower edge arch box beam 12 is completed, remove lower edge Hanging Basket system 2.
Step 9：Full framing is set up in continuation in lower edge arch box beam 12, and construction is completed residue and winded up the beam section of box beam 13.
Step 10：Hybrid structure of arch and beam framework 14 all after the completion of construction, removes steel pipe support 7 and bed die 8, and cuts interim button
Rope 5, knotted rope duct grouting is handled, complete hybrid structure of arch and beam framework 14 and construct.
As can be seen from the above description, the application the above embodiments realize following technique effect：
（1）Keeping the premise of traditional cantilever construction technology so that high-block bridge hybrid structure of arch and beam continuous rigid frame bridge arched girder
Group frame area cantilever construction is possibly realized.
（2）Fully combination make use of knotted rope system（Button）, Hanging Basket system（Hang）, full framing system（Branch）It is each interim solid
The characteristics of determining and advantage, working procedure is clearly reasonable, can greatly reduce the construction period.
（3）The temporary fixing structure system is simple, and structure stress is clear and definite, and construction safety is reliable, saves construction equipment and sets
It is standby, there is good engineering economy.
It is not new to this practicality although above-mentioned specific embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deformation still in protection model of the present utility model
Within enclosing.
Claims (6)
1. a kind of hybrid structure of arch and beam continuous rigid frame bridge button hangs branch convolution constructing device, it is characterised in that including knotted rope system, Hanging Basket
System and mounting system；
Described knotted rope system includes the knotted rope being separately positioned in double limb main piers and the cast-in-place lower edge arch box beam beam section of cantilever
Duct and the interim knotted rope through the knotted rope duct；
Described Hanging Basket system includes being arranged in lower edge arch box beam, and can be walked obliquely along lower edge arch box beam bottom surface
And adapt to the Hanging Basket of arch box beam slope variation；
Described mounting system is arranged on the lower edge arch box beam top surface for completion of having constructed, and is carried for being poured for the box girder cantilever that winds up
For template temporary support.
2. hybrid structure of arch and beam continuous rigid frame bridge button as claimed in claim 1 hangs branch convolution constructing device, it is characterised in that described
Knotted rope include it is a plurality of, a plurality of interim knotted rope through corresponding double limb main piers and lower edge arch box beam beam section knotted rope duct, point
It is not anchored in double corresponding lower edge arch box beam beam section outer ends in limb main pier both sides symmetrically, interim knotted rope system is formed, by lower edge
Arch box girder construction load is transferred to double limb main piers.
3. hybrid structure of arch and beam continuous rigid frame bridge button as claimed in claim 1 hangs branch convolution constructing device, it is characterised in that is located at
Knotted rope duct in lower edge arch box beam beam section is corresponding relative to the center line of double limb main piers.
4. hybrid structure of arch and beam continuous rigid frame bridge button as claimed in claim 1 hangs branch convolution constructing device, it is characterised in that described
Mounting system includes built-in fitting, steel pipe support and bed die, and described installation of embedded parts is in lower edge arch box beam, with steel pipe support
It is connected；Described steel pipe support is vertically arranged, and top connection bed die, described bed die pours offer temporarily for the box girder cantilever that winds up
Support.
5. hybrid structure of arch and beam continuous rigid frame bridge button as claimed in claim 4 hangs branch convolution constructing device, it is characterised in that described
Steel pipe support be just provided with interval of a certain distance in the height direction horizontal support connection.
6. hybrid structure of arch and beam continuous rigid frame bridge button as claimed in claim 4 hangs branch convolution constructing device, it is characterised in that described
Bed die be running type mounting system, using hydraulic synchronization jack carry out bed die installation and the demoulding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720358845.7U CN206721692U (en) | 2017-04-07 | 2017-04-07 | A kind of hybrid structure of arch and beam continuous rigid frame bridge button hangs branch convolution constructing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720358845.7U CN206721692U (en) | 2017-04-07 | 2017-04-07 | A kind of hybrid structure of arch and beam continuous rigid frame bridge button hangs branch convolution constructing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988229A (en) * | 2017-04-07 | 2017-07-28 | 中交第二公路勘察设计研究院有限公司 | A kind of hybrid structure of arch and beam continuous rigid frame bridge button hangs branch convolution constructing device and method |
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2017
- 2017-04-07 CN CN201720358845.7U patent/CN206721692U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988229A (en) * | 2017-04-07 | 2017-07-28 | 中交第二公路勘察设计研究院有限公司 | A kind of hybrid structure of arch and beam continuous rigid frame bridge button hangs branch convolution constructing device and method |
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