CN108252215A - Connection structure of the board-like Suo-tower of trepanning and preparation method thereof - Google Patents
Connection structure of the board-like Suo-tower of trepanning and preparation method thereof Download PDFInfo
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- CN108252215A CN108252215A CN201810206828.0A CN201810206828A CN108252215A CN 108252215 A CN108252215 A CN 108252215A CN 201810206828 A CN201810206828 A CN 201810206828A CN 108252215 A CN108252215 A CN 108252215A
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- 238000002360 preparation method Methods 0.000 title abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 209
- 239000010959 steel Substances 0.000 claims abstract description 209
- 239000004567 concrete Substances 0.000 claims abstract description 84
- 238000010276 construction Methods 0.000 claims abstract description 22
- 230000009471 action Effects 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 5
- 239000000725 suspension Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 14
- 230000002787 reinforcement Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000004873 anchoring Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009415 formwork Methods 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
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- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
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- 230000001186 cumulative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
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- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Present disclose provides board-like Sarasota connection structure of a kind of trepanning and preparation method thereof, the board-like Sarasota connection structure of trepanning includes：Steel panel (3), it is fixedly connected on the Concrete-filled steel tube (1) of the Cable-stayed Bridge Pylon, it is flushed with Concrete-filled steel tube (1), perforated plate connector (5), it is welded on the tower wall side of steel panel (3), the perforated plate connector (5) includes the steel plate with trepanning, and steel and concrete are combined into one by the dowel action of reinforcing bar in concrete in hole and hole.The board-like Sarasota connection structure reasonable stress of trepanning, easy for construction that the disclosure provides can be suitable for the cable-stayed bridge of different across footpaths, different rope face forms, especially suitable for long span stayed-cable bridge.
Description
Technical field
This disclosure relates to bridge structure technical field more particularly to a kind of board-like Suo of trepanning-tower connection structure and its making
Method.
Background technology
The bridge tower anchoring structure of cable-stayed bridge is as Design of Cable-Stayed Bridge method and theoretical, steel construction are promoted and are applied and numerous
Practical bridge practice and continuous optimized development.At present, common bridge tower anchoring structure be broadly divided into prestressed anchor fixing structure,
Steel anchor beam anchor structure and steel anchor box anchor structure three types.
Steel anchor beam type combines Sarasota anchorage style, and referring to suspension cable being anchored at along bridge on the steel anchor beam of arrangement, makes
Steel anchor beam is primarily subjected to the horizontal component of Suo Li, and Concrete-filled steel tube is primarily subjected to a kind of suspension cable anchoring of the vertical force component of Suo Li
Mode.In the steel anchor beam designing scheme of early stage, steel anchor beam multi-support is being constructed on the concrete steel bracket of Sarasota inner wall
There is the shortcomings that being unfavorable for slding form operation and serious stress concentration with discovery concrete steel bracket during use.It is in recent years to adopt more
The structure type of concrete steel bracket is replaced with steel corbel：Anchor beam along bridge to being placed on the steel corbel of concrete cable inner wall of tower,
Anchor-hold is on anchoring piece, and horizontal force is mainly undertaken by steel anchor beam, and vertical force component is by steel corbel via steel panel and steel reinforced concrete
Engaging portion is transmitted to king-post and undertakes.As a result, steel corbel with which kind of combine cage structure could by Suo Li safely, be delivered evenly to Sarasota
Just become critical problem.
Since weldering nail connector shearing resistance does not have directionality and easy for construction, in traditional steel anchor beam-steel corbel synthetic rope
Mostly using the scheme that nail group's connector is welded in steel panel external welding in the design of tower anchorage zone steel reinforced concrete engaging portion.And in actual loading
In, siding out-of-plane deformation caused by Concrete-filled steel tube subjects top-down cumulative vertical pressure and Suo Li wobbler actions makes
It obtains the weldering in bridge tower anchoring structure and follows closely connector other than undertaking vertical shear, also in the state of longitudinal tensile.Weldering nail by
Larger pulling capacity, and this pulling capacity and shearing distribution are extremely uneven, so as to make Concrete-filled steel tube locally in tension shape
State easily generates crack and then influences the durability and bearing capacity of combination bridge tower anchoring structure.
Therefore, in the steel reinforced concrete engaging portion of steel anchor beam-steel corbel combination Sarasota anchoring, it is desirable that connector has more superior
Anti-pull-out property to transmit caused by the eccentric power transmission of steel corbel along bridge to moment of flexure and more superior vertical shear resistance
It can be to transmit the vertical force component of Suo Li.It is necessary to propose that one kind can either ensure even to improve vertical shear-carrying capacity, and can be into
One step promotes steel-mixed engaging portion anti-pulling ability, not only economical durable, but also novel Suo-tower combination portion connecting structure convenient for construction.
Invention content
(1) technical problems to be solved
Present disclose provides the board-like Suo of a kind of trepanning-tower connection structure and preparation method thereof, more than at least partly solving
The technical issues of proposed.
(2) technical solution
According to one aspect of the disclosure, a kind of board-like Suo of trepanning-tower connection structure is provided, including：Steel panel, it is fixed
It is connected on the Concrete-filled steel tube of Cable-stayed Bridge Pylon, is flushed with Concrete-filled steel tube；Perforated plate connector is welded on the tower of steel panel
Wall side, the perforated plate connector include the steel plate with trepanning, will by the dowel action of reinforcing bar in concrete in hole and hole
Steel is combined into one with concrete.
In the disclosure some embodiments, the board-like Suo of trepanning-tower connection structure side is welded with steel corbel 7, opposite side with
Cast-in-place Concrete-filled steel tube is strong bonded, and the board-like Suo of the trepanning-tower connection structure is directly embedded into tower wall concrete, with mixing
Solidifying soil tower wall works together, and bears the Suo Li by steel anchor beam and steel corbel transmission.
In the disclosure some embodiments, the perforated plate connector is big in the tower wall insert depth of steel corbel corresponding position
Tension plate is welded in other positions, and in its end.
In the disclosure some embodiments, the perforated plate connector wears regular reinforcement in hole, puts more energy into steel panel.
In the disclosure some embodiments, the perforated plate connector according to different-stiffness and requirement for bearing capacity type selecting, and
Meet the detailing requiments of perforated plate connector, be welded in steel panel by preset space length, bear Suo Li vertical force component and due to
Along bridge to moment of flexure caused by eccentricity.
In the disclosure some embodiments, the steel panel opens up the reserved through hole passed through for suspension cable, with being cast in out
Orifice plate connector and the Concrete-filled steel tube on tension plate periphery work together, and bear the Suo Li transmitted by steel anchor beam and steel corbel.
In the disclosure some embodiments, the steel panel is fixed on corresponding mixed by perforated plate connector and tension plate
In solidifying soil tower wall.
In the disclosure some embodiments, perforated plate connector, tension plate are combined with Concrete-filled steel tube, the concrete towers
Wall is a complete frame structure, and the steel panel is fixed on the corresponding concrete by perforated plate connector and tension plate
In tower wall.
In the disclosure some embodiments, the board-like Suo of the trepanning-tower connection structure, trepanning described in adjacent two layers is board-like
Suo-tower connection structure is separated in segment, and the vertical force component of Suo Li is made to be born completely by Concrete-filled steel tube.
The disclosure additionally provides a kind of method for making the board-like Suo of trepanning-tower connection structure, including：
Step S1, processing steel anchor beam, steel corbel and the board-like Suo of trepanning-tower connection structure steel panel perforated plate connector and
Tension plate；Wherein, first perforated plate connector is welded in steel panel, the rear tension plate that welds forms the disclosure；Again by steel corbel
It is welded in steel panel, and completes application；
Step S2, it is first that four steel corbels are prefabricated closely connected after steel anchor beam completion of processing, and temporarily after connection again by steel ox
Leg is welded with embedded board；
The board-like Suo of the trepanning of multiple segments-tower connection structure is transported to construction site and completes to lift, positions by step S3
And stacking, so as to form main body steel construction；Wherein, the steel panel of the board-like Suo of the trepanning of two neighboring segment-tower connection structure is mutual
It is not connected to；
Step S4, using steel panel as needed for casting concrete segment template, using tension plate as construction when stent,
Regular reinforcement assembling reinforcement is worn in perforated plate connector, is laid with prestress pipe, segmented casting concrete is timely when pouring
It vibrates with the density for ensureing concrete in perforated plate connector hole, ultimately forms Concrete-filled steel tube；
Step S5, after Concrete-filled steel tube reaches target strength, in perforated plate connector and the faying face of Concrete-filled steel tube 1
Prestressed reinforcement of tensioning positions and draws suspension cable, completes inclined guy cable stretching work, is then set on steel corbel and steel panel
The limiting device of steel anchor beam；After inclined guy cable stretching and secondary dead load are constructed, the high-strength bolt at steel anchor beam both ends is tightened.
(3) advantageous effect
It can be seen from the above technical proposal that the board-like Suo of disclosure trepanning-tower connection structure and preparation method thereof at least has
There is one of following advantageous effect：
(1) since steel panel is closely connect by perforated plate connector and tension plate with Concrete-filled steel tube, perforated panel connection
For part based on vertically being sheared, stress is clear and definite, is not in larger pulling capacity, avoids pulling capacity to perforated plate connector shearing resistance
The weakening of rigidity and bearing capacity, so as to make perforated plate connector and tower wall stress all in favo(u)red state.Concrete-filled steel tube is opened
The area that orifice plate is cut down is smaller, is a complete frame structure, ensure that the globality of Concrete-filled steel tube, therefore structure is with good
Good overall stiffness and crack resistance, and then improve the durability of structure；
(2) because the weight of the board-like Suo of single segmental trepanning-tower connection structure is smaller, the board-like Suo of single-unit trepanning-tower connection knot
Structure can be again transported after factory process to the whole segment lifting in construction site, so as to improve construction efficiency；On the other hand, more piece
For the board-like Suo of Duan Kaikong-tower connection structure in segmental construction, the segment constructed can be each to save as the construction platform of next segment
The board-like Suo of Duan Kaikong-tower connection structure mass action is strong, improves overall stability during construction；
(3) since steel panel can double as the formwork for placing of tower wall concrete, tension plate can as the stent of formwork erection, from
And reduce the formwork erection work of tower wall concreting.
Description of the drawings
Fig. 1 is embodiment of the present disclosure combination bridge tower anchoring structure single segmental schematic diagram.
Fig. 2 is the exploded view of the board-like Suo of the trepanning of the embodiment of the present disclosure-tower connection structure.
Fig. 3 is the vertical view of the board-like Suo of the trepanning of the embodiment of the present disclosure-tower connection structure.
【Embodiment of the present disclosure critical piece symbol description in attached drawing】
1st, Concrete-filled steel tube；2nd, steel anchor beam
3rd, steel panel；4th, suspension cable
5th, perforated plate connector；6th, tension plate
7th, steel corbel；8th, steel panel hole
Specific embodiment
The disclosure be designed to provide a kind of power transmission clearly, high capacity, economic security, trepanning easy for construction it is board-like
Suo-tower connection structure belongs to the key components of combination bridge tower anchoring structure, is applicable to the cable-stayed bridge of different across footpaths.
Purpose, technical scheme and advantage to make the disclosure are more clearly understood, below in conjunction with specific embodiment, and reference
The disclosure is further described in attached drawing.
Disclosure some embodiments will be done with reference to appended attached drawing in rear and more comprehensively describe to property, some of but not complete
The embodiment in portion will be shown.In fact, the various embodiments of the disclosure can be realized in many different forms, and should not be construed
To be limited to this several illustrated embodiment；Relatively, these embodiments are provided so that the disclosure meets applicable legal requirement.
In first exemplary embodiment of the disclosure, a kind of board-like Suo of trepanning-tower connection structure is provided.The disclosure
The board-like Suo of trepanning-tower connection structure, including steel panel 3, perforated plate connector 5 and tension plate 6.Disclosure Sarasota anchors engaging portion
Connection structure side is welded with steel corbel 7, and side and cast-in-place Concrete-filled steel tube 1 are strong bonded, and the trepanning of the present embodiment is board-like
Suo-tower connection structure is directly embedded into tower wall concrete, is worked together with tower wall, is born to be transmitted by steel anchor beam 2 and steel corbel 7
Suo Li.
In 7 support steel anchor beam of steel corbel, 2 type combines cable-pylon anchorage zone, steel corbel 7 is welded on the steel panel 3 of the disclosure
On, play the role of huge Suo Li being transmitted to perforated plate connector 5 and Concrete-filled steel tube 1.
The steel panel 3 is fixedly connected on the Concrete-filled steel tube 1 of the Cable-stayed Bridge Pylon, is opened up for the suspension cable 4
The reserved through hole passed through, the Concrete-filled steel tube 1 with being cast in 6 periphery of perforated plate connector 5 and tension plate work together, bear by
The Suo Li that steel anchor beam 2 and steel corbel 7 transmit.Steel panel 3 is flushed with Concrete-filled steel tube 1, is directly born steel corbel 7 and is transmitted the lotus of coming
It carries, opens up the through-hole passed through for suspension cable 4 thereon.Above-mentioned steel panel 3 is fixed on pair by perforated plate connector 5 and tension plate 6
On the Concrete-filled steel tube 1 answered.
The perforated plate connector 5 is main steel-concrete faying face Force transmission parts, is a kind of trepanning on the steel plate, leads to
The novel connector that steel and concrete are combined into one by the dowel action of reinforcing bar in concrete and hole in via.The perforated panel
Connector 5 is more than other positions perforated panel, and weld tension plate in its end in the tower wall insert depth of 7 corresponding position of steel corbel
6, further enhance the anti-pulling ability of structure.
Perforated plate connector 5 is welded on the tower wall side of steel panel 3, and regular reinforcement is worn in hole, further improves it and holds
Performance and deformation performance are carried, in addition to this, perforated plate connector 5 can also play distortion to steel panel 3.
Further, it is strong bonded by perforated plate connector 5, tension plate 6 and Concrete-filled steel tube 1, the concrete towers
Wall 1 is a complete frame structure.
The depth of 7 corresponding position perforated plate connector 5 of steel corbel insertion tower wall is more than other perforated panels, and is welded in its end
Tension plate 6 is connect, further enhances the anti-pulling ability of structure.
The above-mentioned board-like Suo of trepanning-tower connection structure is an opening section structure, is connected by the perforated panel being embedded in tower wall
Fitting 5, tension plate 6 and Concrete-filled steel tube 1 are strong bonded.The area that the Concrete-filled steel tube 1 is cut down by the disclosure is smaller, is one
Complete frame structure ensure that the globality of Concrete-filled steel tube 1.The guy anchor that the steel anchor beam 2 directly bears Suo Li for one
Gu mechanism, the steel corbel 7 mainly transmits vertical force and eccentric bending moment to the Force transmission parts of the disclosure for one, can be according to reality
The variation of the rope face form of bridge, drag-line angle etc. and change.
Further, perforated plate connector 5 can be selected according to different-stiffness and requirement for bearing capacity, and should meet perforated panel company
The detailing requiments of fitting 5 are welded on along a determining deviation in steel panel 3, bear the vertical force component of Suo Li and since eccentricity causes
Suitable bridge to moment of flexure.Tension plate 6 can be used as the reinforcement plate of anti-pulling, also can be as stent when constructing.
The board-like Suo of trepanning described in adjacent two layers-tower connection structure is disconnected in internode, makes the vertical force component of Suo Li completely by mixing
Solidifying soil tower wall 1 is born, and the disclosure only plays intermal force.It certainly, also can be vertically integrally welded by the disclosure when needing.
The disclosure is further described below in conjunction with the embodiment shown in that figure.
Embodiment
The board-like Suo of trepanning-tower connection structure in the embodiment of the present disclosure be apply cable-stayed bridge combination anchor structural area steel-
A kind of new Joining Structure of mixed engaging portion, is made of, and steel panel 3, perforated plate connector 5 and tension plate 6 with being cast in out
Concrete-filled steel tube 1 around orifice plate connector 5 works together, and bears 4 Suo Li of suspension cable.
Fig. 1 is the 2 type anchor structure single segmental schematic diagram of steel anchor beam for employing the disclosure.It can be seen that the board-like Suo-tower of trepanning
Connection structure side is welded with steel corbel 7, and side is strong bonded with Concrete-filled steel tube 1, common stress, is combination cable-pylon anchorage zone
The key constructs of engaging portion.The area that Concrete-filled steel tube 1 is weakened by perforated plate connector 5 is smaller, is a complete frame knot
Structure ensure that the globality of Concrete-filled steel tube 1.
Fig. 2 is the exploded view of the board-like Suo of trepanning-tower connection structure.The board-like Suo of trepanning-tower connection in the embodiment of the present disclosure
Structure is made of steel panel 3, perforated plate connector 5 and tension plate 6, and the concrete with being cast in around perforated plate connector 5
Tower wall 1 bears Suo Li jointly.Perforated plate connector 5 and tension plate 6 are embedded in concreting in concrete, steel panel 3
It is flushed with Concrete-filled steel tube 1.The end of steel anchor beam 2 is equipped with the anchor-hold mechanism for installing suspension cable 4.When suspension cable 4 with
When perforated plate connector 5 conflicts, perforated plate connector 5 need to be blocked in the range of suspension cable 4 passes through.
Fig. 3 is the vertical view of the board-like Suo of trepanning-tower connection structure.The present embodiment is applied in a double plane cable stayed bridge, is needed
Support two steel anchor beams 2.However the board-like Suo of trepanning-tower connection structure also can be by adjusting detail structure to adapt to different rope faces
The requirement of form and bearing capacity.
Distance in the board-like Suo of any one trepanning-tower connection structure between two steel panels 3 is slightly larger than the length of steel anchor beam 2
Degree.Steel anchor beam 2 is allowed to be relatively moved longitudinally in tensioning suspension cable 4, equilibrium water is undertaken so as to give full play to steel anchor beam 2
The ability of Ping Suoli.
The lateral surface of every piece of steel panel 3 has welded multiple perforated plate connectors 5.Steel panel 3 mainly passes through these trepannings
Plate connector 5 is fixed on the Concrete-filled steel tube 1 of Cable-stayed Bridge Pylon.Perforated plate connector 5 is that one kind sets trepanning on the steel plate,
The novel connector that steel and concrete are combined into one by concrete dowel action in hole.In addition to bearing to provide vertical shear
Outside pulling capacity, above-mentioned perforated plate connector 5 or steel panel 3 provide distortion, prevent it excessive in local pressure
There is unstability.According to the angle of inclination of suspension cable 4, the steel panel hole passed through for the suspension cable 4 of cable-stayed bridge is offered in steel panel 3
8.When suspension cable 4 conflicts with perforated plate connector 5, perforated plate connector 5 need to be blocked in the range of suspension cable 4 passes through,
Ensure the continuity of suspension cable 4.
Based on Fig. 1 to the board-like Suo of trepanning shown in Fig. 3-tower connection structure, embodiment of the disclosure additionally provides making and opens
The method of orifice-plate type Suo-tower connection structure, specifically includes following steps：
Step S1 processes the board-like Suo-Ta Lian of trepanning in steel anchor beam 2, steel corbel 7 and the embodiment of the present disclosure in factory respectively
Each plate of binding structure.Wherein, first perforated plate connector 5 can be welded in steel panel 3, the rear tension plate 6 that welds forms this public affairs
It opens.Steel corbel 7 is welded in steel panel 3 afterwards, and completes application；
Step S2, it is first that four steel corbels 7 are prefabricated closely connected after steel 2 completion of processing of anchor beam, and temporarily after connection again by steel
Bracket 7 is welded with embedded board；
The board-like Suo of the trepanning of multiple segments-tower connection structure is transported to construction site and completes to lift, positions by step S3
And stacking, so as to form main body steel construction.Wherein, the steel panel 3 of the board-like Suo of the trepanning of two neighboring segment-tower connection structure is mutual
It is not connected to；
Step S4, using steel panel 3 as needed for casting concrete segment template, using tension plate 6 as construction when branch
Frame wears regular reinforcement assembling reinforcement in perforated plate connector 5, is laid with prestress pipe, segmented casting concrete, when pouring
It should vibrate in time with the density for ensureing concrete in 5 hole of perforated plate connector, ultimately form Concrete-filled steel tube 1；
Step S5, after Concrete-filled steel tube 1 reaches target strength, in the combination of perforated plate connector 5 and Concrete-filled steel tube 1
Face prestressed reinforcement of tensioning positions and draws suspension cable 4,4 tensioning of suspension cable work is completed, then in steel corbel 7 and steel panel 3
The limiting device of upper setting steel anchor beam 2.After 4 tensioning of suspension cable and secondary dead load are constructed, the institute at 2 both ends of steel anchor beam is tightened
There is high-strength bolt.
In above-mentioned steps S4, coagulation is poured at once after the board-like Suo of trepanning-tower connection structure of several segments is usually laminated
Native tower wall 1 repeats previous process after concrete reaches expected intensity.
In above-mentioned steps S5, can setting be selected according to design calculation result or be not provided with deformed bar.
In above-mentioned steps S5, the limiting device of steel anchor beam 2 is set on steel corbel 7 and steel panel 3 can ensure imbalance
Horizontal Suo Li is smoothly transmitted to the disclosure and Concrete-filled steel tube 1.
In above-mentioned steps S5, the board-like Suo of trepanning-tower connection structure when 4 tensioning of suspension cable and secondary dead load are constructed, due to
One end slip is fixed in 2 one end of steel anchor beam, therefore mainly transmits vertical force.It is opposite between anchor beam and steel corbel 7 after Second Construction
Slide it is restrained, in addition to vertical force, the disclosure also with the unbalanced horizontal Suo Li of tower wall shared
The board-like Suo of trepanning-tower connection structure reasonable stress, easy for construction that the disclosure provides, can be suitable for it is different across
The cable-stayed bridge of diameter, different rope face forms, especially suitable for long span stayed-cable bridge.
So far, the board-like Suo of embodiment of the present disclosure trepanning-tower connection structure introduction finishes.
So far, attached drawing is had been combined the embodiment of the present disclosure is described in detail.It should be noted that it in attached drawing or says
In bright book text, the realization method that is not painted or describes is form known to a person of ordinary skill in the art in technical field, and
It is not described in detail.In addition, the above-mentioned definition to each element and method be not limited in mentioning in embodiment it is various specific
Structure, shape or mode, those of ordinary skill in the art simply can be changed or replaced to it.
It should also be noted that, the direction term mentioned in embodiment, for example, " on ", " under ", "front", "rear", " left side ",
" right side " etc. is only the direction of refer to the attached drawing, is not used for limiting the protection domain of the disclosure.Through attached drawing, identical element by
Same or similar reference numeral represents.When understanding of this disclosure may be caused to cause to obscure, conventional structure will be omitted
Or construction.
And the shape and size of each component do not reflect actual size and ratio in figure, and only illustrate the embodiment of the present disclosure
Content.In addition, in the claims, any reference mark between bracket should not be configured to the limit to claim
System.
Furthermore word "comprising" does not exclude the presence of element or step not listed in the claims.Before element
Word "a" or "an" does not exclude the presence of multiple such elements.
In addition, unless specifically described or the step of must sequentially occur, there is no restriction in more than institute for the sequence of above-mentioned steps
Row, and can change or rearrange according to required design.And above-described embodiment can be based on the considerations of design and reliability, that
This mix and match is used using or with other embodiment mix and match, i.e., the technical characteristic in different embodiments can be freely combined
Form more embodiments.
Those skilled in the art, which are appreciated that, to carry out adaptively the module in the equipment in embodiment
Change and they are arranged in one or more equipment different from the embodiment.It can be the module or list in embodiment
Member or component be combined into a module or unit or component and can be divided into addition multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it may be used any
Combination is disclosed to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so to appoint
Where all processes or unit of method or equipment are combined.Unless expressly stated otherwise, this specification is (including adjoint power
Profit requirement, abstract and attached drawing) disclosed in each feature can be by providing the alternative features of identical, equivalent or similar purpose come generation
It replaces.If also, in the unit claim for listing equipment for drying, several in these devices can be by same hard
Part item embodies.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of each open aspect,
Above in the description of the exemplary embodiment of the disclosure, each feature of the disclosure is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the method for the disclosure should be construed to reflect following intention：I.e. required guarantor
The disclosure of shield requires features more more than the feature being expressly recited in each claim.More precisely, as following
Claims reflect as, open aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim is in itself
All as the separate embodiments of the disclosure.
Particular embodiments described above has carried out the purpose, technical solution and advantageous effect of the disclosure further in detail
It describes in detail bright, it should be understood that the foregoing is merely the specific embodiment of the disclosure, is not limited to the disclosure, it is all
Within the spirit and principle of the disclosure, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the disclosure
Within the scope of shield.
Claims (10)
1. a kind of board-like Suo of trepanning-tower connection structure, including：
Steel panel (3) is fixedly connected on the Concrete-filled steel tube (1) of Cable-stayed Bridge Pylon, is flushed with Concrete-filled steel tube (1)；
Perforated plate connector (5), is welded on the tower wall side of the steel panel (3), and the perforated plate connector (5) is opened including band
Steel and concrete are combined into one by the steel plate in hole by the dowel action of reinforcing bar in concrete in hole and hole.
2. the board-like Suo of trepanning-tower connection structure according to claim 1, the board-like Suo of trepanning-tower connection structure side and steel
Bracket (7) welds, and opposite side is combined with cast-in-place Concrete-filled steel tube (1), and the board-like Suo of the trepanning-tower connection structure is directly embedded into
It into tower wall concrete, is worked together with Concrete-filled steel tube (1), bears the Suo Li by steel anchor beam (2) and steel corbel (7) transmission.
3. the board-like Suo of trepanning-tower connection structure according to claim 2, the perforated plate connector (5) is in steel corbel (7)
The tower wall insert depth of corresponding position is more than other positions, and in its end welding tension plate (6).
4. the board-like Suo of trepanning-tower connection structure according to claim 2, the perforated plate connector (5) are worn general in hole
Logical reinforcing bar, puts more energy into steel panel (3).
5. the board-like Suo of trepanning-tower connection structure according to claim 2, the perforated plate connector (5) is according to different firm
Degree and requirement for bearing capacity type selecting, and meet the detailing requiments of perforated plate connector, it is welded in steel panel, bears by preset space length
The vertical force component of Suo Li and due to caused by eccentricity along bridge to moment of flexure.
6. the board-like Suo of trepanning-tower connection structure according to claim 3, the steel panel (3) opens up wears for suspension cable (4)
The reserved through hole crossed, the Concrete-filled steel tube (1) with being cast in perforated plate connector (5) and tension plate (6) periphery are worked together, are held
By the Suo Li transmitted by steel anchor beam (2) and steel corbel (7).
7. the board-like Suo of trepanning-tower connection structure according to claim 3, the steel panel (3) pass through perforated plate connector
(5) it is fixed on corresponding Concrete-filled steel tube (1) with tension plate (6).
8. the board-like Suo of trepanning-tower connection structure according to claim 3, perforated plate connector (5), tension plate (6) are with mixing
Solidifying soil tower wall (1) combines, and the Concrete-filled steel tube (1) is a complete frame structure, and the steel panel (3) is connected by perforated panel
Fitting (5) and tension plate (6) are fixed on the corresponding Concrete-filled steel tube (1).
9. the board-like Suo of trepanning-tower connection structure according to claim 1, the board-like Suo of trepanning described in adjacent two layers-tower connection
Structure is separated in segment, and the vertical force component of Suo Li is made to be born completely by Concrete-filled steel tube.
10. a kind of method of the board-like Suo of trepanning-tower connection structure made described in any one of claim 1-9, including：
Step S1, steel panel (3) perforated panel of processing steel anchor beam (2), steel corbel (7) and the board-like Suo of trepanning-tower connection structure connect
Fitting (5) and tension plate (6)；Wherein, first perforated plate connector (5) is welded in steel panel (3), it is rear to weld tension plate (6)
Form the disclosure；Steel corbel (7) is welded in steel panel (3) again, and completes application；
Step S2, it is first that four steel corbels (7) are prefabricated closely connected after steel anchor beam (2) completion of processing, and temporarily after connection again by steel
Bracket (7) is welded with embedded board；
The board-like Suo of the trepanning of multiple segments-tower connection structure is transported to construction site and completing and lifts, positions and layer by step S3
It is folded, so as to form main body steel construction；Wherein, the steel panel (3) of the board-like Suo of the trepanning of two neighboring segment-tower connection structure is mutual not
Connection；
Step S4, using steel panel (3) as needed for casting concrete segment template, using tension plate (6) as construction when branch
Frame wears regular reinforcement assembling reinforcement in perforated plate connector (5), is laid with prestress pipe, and segmented casting concrete pours
When vibrated in time with the density for ensureing concrete in perforated plate connector (5) hole, ultimately form Concrete-filled steel tube (1)；
Step S5, after Concrete-filled steel tube (1) reaches target strength, in perforated plate connector (5) and the knot of Concrete-filled steel tube (1)
Conjunction face prestressed reinforcement of tensioning positions and draws suspension cable (4), inclined guy cable stretching work is completed, then in steel corbel (7) and steel
The limiting device of steel anchor beam (2) is set on siding (3)；After inclined guy cable stretching and secondary dead load are constructed, steel anchor beam is tightened
(2) high-strength bolt at both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810206828.0A CN108252215A (en) | 2018-03-13 | 2018-03-13 | Connection structure of the board-like Suo-tower of trepanning and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810206828.0A CN108252215A (en) | 2018-03-13 | 2018-03-13 | Connection structure of the board-like Suo-tower of trepanning and preparation method thereof |
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| CN108252215A true CN108252215A (en) | 2018-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810206828.0A Pending CN108252215A (en) | 2018-03-13 | 2018-03-13 | Connection structure of the board-like Suo-tower of trepanning and preparation method thereof |
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