CN209443360U - A kind of concrete pier of steel tube - Google Patents
A kind of concrete pier of steel tube Download PDFInfo
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- CN209443360U CN209443360U CN201820839264.XU CN201820839264U CN209443360U CN 209443360 U CN209443360 U CN 209443360U CN 201820839264 U CN201820839264 U CN 201820839264U CN 209443360 U CN209443360 U CN 209443360U
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Abstract
The utility model provides a kind of concrete pier of steel tube, including crossbeam, pier stud and binder, the binder includes binder main body and binder energy consuming components, the binder main body include the first steel pipe, the first hose inner core, the first concrete and the first connecting plate, the binder energy consuming components include the second steel pipe, the second mild steel inner core, the first PVP film, the second concrete and the second connecting plate, are bolted to connection between second connecting plate and corresponding first connecting plate.By the way that binder is arranged, the strength and stiffness of bridge twin shaft pier direction across bridge are improved, under geological process, binder is surrendered prior to bridge pier, and formation plastic hinge and the seismic energy that dissipates have delayed the damage and failure process of bridge pier, anti-seismic performance is relatively preferable；Simultaneously because each connecting plate is achieved a fixed connection by bolt, energy consuming components can be replaced after shake rapidly, realizes and quickly repairs.
Description
Technical field
The utility model relates to a kind of bridge pier structure, especially a kind of concrete pier of steel tube.
Background technique
Domestic and international many times earthquake all shows bridge structure as the important component in transportation lifeline, after calamity
First aid and restoration and reconstruction are significant.But traditional bridge pier mostly uses reinforced concrete structure form, and reinforced concrete bridge
Pier is from great, ductility is poor, and difficulty of construction is big, long construction period, and reparation difficulty is big, at high cost, at home and abroad under all previous macroseism
It destroys serious and is difficult to quickly repair, cause extreme difficulties and huge indirect loss to rescue and relief work after shake, therefore, realize
The restorability of bridge has great researching value.
With the fast development in contemporary Chinese city, interchange and overpass are more and more, concrete pier of steel tube
Application it is also more and more extensive.Steel structure bridge has many advantages, such as from heavy and light, bearing capacity is high, anti-seismic performance is good.It is easy to factory
Change manufacture, prefabricated construction, the construction period can be shortened, improves field operation condition；Obtain working security and quality effectively
Control, and minimize the influence constructed to urban ecological environment and traffic.But existing concrete pier of steel tube form
Failure by shear and extremely low cycle fatigue crack easily occur under actual seismic, reparation or very long and serious because of repair time is difficult after shake
Emergency and normal use after influencing the disaster relief and shake.
In view of this, the applicant conducts in-depth research the structure of concrete pier of steel tube, there is this case generation then.
Utility model content
The steel pipe that preferably and after shake can quickly repair relatively the purpose of this utility model is to provide a kind of anti-seismic performance is mixed
Solidifying soil bridge pier.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of concrete pier of steel tube, including crossbeam, two or more are located at the below the crossbeam and are used to support the crossbeam
Pier stud and the binder that is connected between the two neighboring pier stud, the binder include horizontally disposed binder main body and point
It is not fixedly connected on the binder energy consuming components at binder main body both ends, the binder main body includes the first steel pipe, is interspersed in institute
State the first hose inner core in the first steel pipe, the first coagulation being filled between first steel pipe and the first mild steel inner core
Soil and the first connecting plate for being welded on the first mild steel inner core both ends, the binder energy consuming components include the second steel pipe, wear
The second mild steel inner core for being inserted in second steel pipe, is filled out the first PVP film being covered on the second mild steel inner core side surface
The second concrete for filling between second steel pipe and the first PVP film and it is welded on described second mild steel inner core one end
The second connecting plate, the one end of the second mild steel inner core far from second connecting plate is pierced by and fixes from second steel pipe
It is connected on the corresponding pier stud, the company of being bolted between second connecting plate and corresponding first connecting plate
It connects.
As a kind of improvement of the utility model, the second mild steel inner core is set from the position that second steel pipe is pierced by
It is equipped with multiple ribs arranged in length and breadth.
As a kind of improvement of the utility model, the pier stud includes the pier stud main body arranged vertically, is fixedly connected on institute
It states the pier stud energy consuming components of pier stud lower body and is fixedly connected on the suspension column of pier stud energy consuming components lower end, the pier stud master
Body includes third steel pipe, the third mild steel inner core being interspersed in the third steel pipe, is filled in the third mild steel inner core and institute
It states the third concrete between third steel pipe and is welded on the third connecting plate of the third mild steel inner core lower end, the pier stud
Energy consuming components include the 4th steel pipe, the 4th mild steel inner core being interspersed in the 4th steel pipe, are covered in the 4th mild steel
The 2nd PVP film on core side surface, the 4th concrete being filled between the 4th steel pipe and the 2nd PVP film and weldering
Connect the 4th connecting plate at the 4th mild steel inner core both ends, the 4th connecting plate and the third connecting plate or the suspension column
Between be bolted to connection.
As a kind of improvement of the utility model, first steel pipe, second steel pipe, the third steel pipe and described
4th steel pipe is all rectangular steel tube, the first mild steel inner core, the second mild steel inner core, the third mild steel inner core and described
4th mild steel inner core is all H-shaped mild steel.
As a kind of improvement of the utility model, the height of the pier stud energy consuming components is the cross section of the pier stud main body
1-1.2 times of width.
As a kind of improvement of the utility model, first steel pipe, second steel pipe, the third steel pipe and described
The wall thickness of 4th steel pipe is identical, and first steel pipe is identical with the area of the cross section of second steel pipe, the third steel pipe
Identical with the area of cross section of the 4th steel pipe, the area of the cross section of first steel pipe is the cross of the third steel pipe
0.8 times of the area in section.
As a kind of improvement of the utility model, second concrete and the 4th concrete are ductility concrete.
Using the above scheme, the utility model has the following beneficial effects:
1, the strength and stiffness of bridge twin shaft pier direction across bridge are improved by setting binder, under geological process, binder prior to
Bridge pier is surrendered, and is formed plastic hinge and the seismic energy that dissipates, has been delayed the damage and failure process of bridge pier, anti-seismic performance is relatively
It is good；Simultaneously because each connecting plate is achieved a fixed connection by bolt, energy consuming components can be replaced after shake rapidly, realizes and quickly repairs.
2, each component part of binder and pier stud can only need to lift in processing and fabricating, scene in factory, can also be with
Outer wall of steel pipe is template cast in situs, and the construction period is short, quick construction, the road after can also greatly speeding up earthquake and burst accident
Repair speed in road.
3, each component part of binder and pier stud can realize design standard, manufacturing works, construction assembling, avoid
Raw material manufacture and the environmental pollution of construction site improve speed of application, alleviate urban traffic blocking.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model concrete pier of steel tube, omits ribs in figure；
Fig. 2 is the schematic cross-section of the position A-A in Fig. 1；
Fig. 3 is the schematic cross-section of the position B-B in Fig. 1, omits bolt in figure；
Fig. 4 is the arragement construction signal of ribs in the utility model；
Fig. 5 is that the local arragement construction at another visual angle of the utility model ribs is illustrated.
It is as follows that correspondence is indicated in figure:
100- crossbeam；200- pier stud；
210- pier stud main body；211- third steel pipe；
212- third mild steel inner core；213- third concrete；
214- third connecting plate；220- pier stud energy consuming components；
The 4th steel pipe of 221-；The 4th mild steel inner core of 222-；
The 4th concrete of 224-；The 4th connecting plate of 225-；
230- suspension column；300- binder；
310- binder main body；The first steel pipe of 311-；
312- the first mild steel inner core；The first concrete of 313-；
The first connecting plate of 314-；320- binder energy consuming components；
The second steel pipe of 321-；322- the second mild steel inner core；
The second concrete of 324-；The second connecting plate of 325-；
326- ribs.
Specific embodiment
The utility model is described further in the following with reference to the drawings and specific embodiments.
As Figure 1-Figure 5, concrete pier of steel tube provided in this embodiment, including crossbeam 100, two or more are located at cross
The binder 300 for being used to support the pier stud 200 of crossbeam 100 below beam 100 and being connected between two neighboring pier stud 200, wherein
The quantity of pier stud 200 can be configured according to actual needs, be said there are two for by pier stud 200 in the present embodiment
It is bright.
Binder 300 includes horizontally disposed binder main body 310 and is respectively fixedly connected with and is at 310 both ends of binder main body
Beam energy consuming components 320, i.e., there are two binder energy consuming components 320.Binder main body 310 includes the first steel pipe 311, is interspersed in the first steel
The first hose inner core 312 in pipe 311, the first concrete being filled between the first steel pipe 311 and the first mild steel inner core 312
313 and being welded on first connecting plate 314 at 312 both ends of the first mild steel inner core, i.e. there are two the first connecting plates 314, and two
One connecting plate 314 is supported on the first steel pipe 311 simultaneously, and certain two the first connecting plates 314 can also be welded with the first steel pipe 311
It connects or is bolted by high strength friction type in succession, the connection between each connecting plate and corresponding steel pipe that will hereafter refer to
Connection structure between structure and the first connecting plate 314 and the first steel pipe 311 is identical, will not be repeated again.Preferably, the first connection
The periphery of plate 314 and each connecting plate that will hereafter refer to is both provided with anchor hole, convenient for connecting with corresponding steel pipe.First
Steel pipe 311 and each steel pipe that will hereafter refer to all are common steel tube, yield strength be higher than the first mild steel inner core 312 with
And each mild steel inner core that will hereafter refer to, i.e., in the present embodiment, the yield strength of each steel pipe is higher than bending for each mild steel inner core
Intensity is taken, can prevent from destroying the position transfer from the position of energy consuming components to main body when earthquake in this way.First concrete 313 is
Concrete used in conventional concrete pier of steel tube, fills up the inner cavity of the first steel pipe 311, it should be noted that under
Each concrete referred in text also all fills up the inner cavity of corresponding steel pipe.
Binder energy consuming components 320 include the second steel pipe 321, be interspersed in the second steel pipe 321 the second mild steel inner core 322,
The first PVP film (not shown) that is covered on 322 side surface of the second mild steel inner core is filled in the second steel pipe 321 and first
It the second concrete 324 between PVP film and is welded on the second mild steel inner core 322 and connects towards the second of 310 one end of binder main body
Fishplate bar 325, wherein the effect for covering the first PVP film on 322 side surface of the second mild steel inner core is to eliminate in the second mild steel
Cohering between core 322 and the second concrete 324.The one end of second mild steel inner core 322 far from the second connecting plate 325 is from the second steel
Pipe 321 is pierced by and is fixedly connected on corresponding pier stud 200, therefore, is wearing with the second mild steel inner core 322 from the second steel pipe 321
Without the presence of the second concrete 324 at position out, certain position can not also cover the first PVP film, i.e. the second mild steel
Inner core 322 is exposed outside from the position that the second steel pipe 321 is pierced by.Preferably, the second mild steel inner core 322 from second in order to prevent
There is buckling phenomenon in the position that steel pipe 321 is pierced by, is pierced by the second mild steel inner core 322 from the second steel pipe 321 in the present embodiment
Position on be provided with multiple ribs 326 arranged in length and breadth.Between second connecting plate 325 and corresponding first connecting plate 314
It is bolted to connection, the bolt and each bolt that will hereafter refer to all are the height that can directly buy acquisition from the market
Intensity friction-type bolt, two nuts and match with nut that this kind of bolt generally includes stud, spiral is connected on the stud
The gasket of conjunction helps to prevent bolt looseness in long-term use process.In addition, the second concrete 324 is preferably ductility concrete,
Its deformability is also bigger than concrete used in conventional concrete pier of steel tube.
The presence of binder 300 constitutes the first line of defence of concrete pier of steel tube antidetonation, it helps it is mixed to improve steel pipe
The transverse strength and rigidity of solidifying soil bridge pier.When an earthquake occurs, binder 300 is destroyed prior to pier column 200, passes through its both ends
320 earthquake energy of binder energy consuming components, delay the damage and failure process of pier stud 200.Binder energy consuming components 320 damage simultaneously
Quick-replaceable can be realized by demounting bolt after consumption, restore the shock resistance of binder 300.Further, since the first PVP film is deposited
, when binder energy consuming components 320 bear pulling force, the elongation of the second mild steel inner core 322 is simultaneously slided with the second concrete 324 relatively,
It will not cause to be located at 324 drawing crack of the second concrete inside the second steel pipe 321, when binder energy consuming components 320 bear pressure, the
Two mild steel inner cores 322 can bear jointly pressure with the second concrete 324.
Pier stud 200 includes the pier stud main body 210 arranged vertically, the pier stud energy consumption for being fixedly connected on 210 lower end of pier stud main body
Component 220 and the suspension column 230 for being fixedly connected on 220 lower end of pier stud energy consuming components, the wherein structure of suspension column 230 and conventional steel pipe
Concrete pier is identical, not the emphasis of the present embodiment, and and will not be described here in detail.Pier stud main body 210 includes third steel pipe 211, wears
The third mild steel inner core 212 that is inserted in third steel pipe 211, be filled between third mild steel inner core 212 and third steel pipe 211
Three concrete 213 and the third connecting plate 214 for being welded on 212 lower end of third mild steel inner core, wherein third concrete 213 be also
Concrete used in conventional concrete pier of steel tube, the difference from the first concrete 313 is only that dosage is different.
In addition, the second mild steel inner core 322 is welded on third steel pipe 211 far from one end of the second connecting plate 325.
Pier stud energy consuming components 220 include the 4th steel pipe 221, be interspersed in the 4th steel pipe 221 the 4th mild steel inner core 222,
The 2nd PVP film (not shown) that is covered on 222 side surface of the 4th mild steel inner core is filled in the 4th steel pipe 221 and second
The 4th concrete 224 between PVP film and the 4th connecting plate 225 for being welded on 222 both ends of the 4th mild steel inner core, i.e., the 4th connects
There are two fishplate bars 225.The effect of 2nd PVP film is identical as the effect of the first PVP film, and and will not be described here in detail.4th connecting plate
It is bolted to connection between 225 and third connecting plate 214 or suspension column 230, specifically, two the 4th connecting plate 225 difference
It is fixedly connected with third connecting plate 214 and suspension column 230 by high strength friction type bolt mentioned above one-to-one correspondence.In addition,
4th concrete 224 is also preferably ductility concrete, and the difference from the second concrete 324 is only that dosage is different.
The presence of pier stud energy consuming components 220 constitutes the first line of defence of concrete pier of steel tube antidetonation, once binder consumes
Can component 320 lose energy-dissipating property, can be by the 4th mild steel inner core 222 and 224 earthquake energy of the 4th concrete, while pier
Column energy consuming components 220 can realize quick-replaceable by demounting bolt after being lost, and restore the shock resistance of pier stud energy consuming components 220.
Preferably, the first steel pipe 311, the second steel pipe 321, third steel pipe 211 and the 4th steel pipe 221 are all rectangular steel tube,
And first steel pipe 311, the second steel pipe 321, third steel pipe 211 are identical with the wall thickness of the 4th steel pipe 221.First steel pipe 311 and
The length of the cross section of two steel pipes 321 is identical with area, the face of the length and cross section of third steel pipe 211 and the 4th steel pipe 222
Product is identical, and the area of the cross section of the first steel pipe 311 is 0.8 times of the area of the cross section of third steel pipe 211.In addition, the
The intensity of one steel pipe 311 and third steel pipe 211 is preferably higher than the intensity of the second steel pipe 321 and the 4th steel pipe 221, to improve correspondence
Main body bearing capacity, protection destroy take the lead in occurring at the position where energy consuming components.It should be noted that in the present embodiment
In, the cross section of each component is the section vertical with the length direction of corresponding component.
Preferably, the height of pier stud energy consuming components 220 is 1-1.2 times of the width of the cross section of pier stud main body 210.This
Outside, in the present embodiment, the first mild steel inner core 312, the second mild steel inner core 322, third mild steel inner core 212 and the 4th mild steel inner core
22 be all H-shaped mild steel, i.e., the cross section of each mild steel inner core 312 is all H-shaped.H-shaped mild steel has apparent pre- before being destroyed
Million, such as there is biggish deformation (i.e. plastic failure), the H-shaped mild steel being embedded in corresponding concrete has when being pressurized bends outward
Bent deformation tendency, but its outside bending deformation is limited by corresponding concrete and steel pipe, greatly improves concrete filled steel tube
The energy dissipation capacity and anti-seismic performance of bridge pier；Simultaneously as the one end of the second mild steel inner core 322 far from the second connecting plate 325 is from
Two steel pipes 321 are pierced by, can be by the surrender situation at the position that the second hose inner core 322 of detection is pierced by, steel pipe after evaluation is shaken rapidly
The anti-seismic performance of concrete pier.It should be noted that the second mild steel inner core 322 is unsuitable from the position that the second steel pipe 321 is pierced by
It is excessive to prevent its buckling, and the specific setting quantity of multiple ribs 326 arranged in length and breadth is horizontal according to binder energy consuming components 320
The length-width ratio in section determines, when the length-width ratio is relatively small, can be arranged or be not provided with ribs 326 less, when the length-width ratio phase
To it is larger when, can suitably increase ribs 326.
Pier stud 200 with the production method of binder 300 be it is similar, said by taking pier stud 200 as an example in the present embodiment
It is bright, production method the following steps are included:
S1 determines the size of pier stud energy consuming components 220, in the present embodiment according to the bridge pier size actually built first
The height of middle pier stud energy consuming components 220 takes 1.2 times of the cross-sectional width of rectangular pier stud 200.
S2, for pier stud energy consuming components 220, the height according to outer wall square steel tube determines the casting position of ductility concrete,
Ductility concreting at height identical as outer wall square steel tube, wherein outer wall square steel tube can be used as template and pour.
The bottom of H-shaped mild steel inner core before casting concrete, need to be welded on corresponding connection for pier stud main body 210 by S3
On plate, and one layer of PVP film or release agent are applied on the surface of H-shaped mild steel inner core, to eliminate H-shaped mild steel inner core and concrete
Between cohere.
S4, H mild steel inner core will have more the scheduled height of outer wall square steel tube, and H-shaped mild steel inner core is higher by the portion of outer wall square steel tube
Divide and is directly welded with corresponding connecting plate.
The various pieces of pier stud 200 after pouring molding, are fixed together by S5 using high strength friction type bolt.
The utility model is described in detail above in conjunction with attached drawing, but the embodiments of the present invention and not only
It is limited to above embodiment, those skilled in the art can make various modifications to the utility model according to the prior art, such as will
Above-mentioned H-shaped mild steel is changed to cross mild steel etc., and these are all within the protection scope of the present invention.
Claims (7)
1. a kind of concrete pier of steel tube is located at the below the crossbeam including crossbeam, two or more and is used to support the crossbeam
Pier stud and the binder being connected between the two neighboring pier stud, which is characterized in that the binder includes horizontally disposed system
Beam body includes the first steel with the binder energy consuming components at binder main body both ends, the binder main body is respectively fixedly connected with
The first hose inner core for manage, being interspersed in first steel pipe, be filled in first steel pipe and the first mild steel inner core it
Between the first concrete and be welded on first connecting plate at the first mild steel inner core both ends, the binder energy consuming components include
Second steel pipe, is covered on the second mild steel inner core side surface the second mild steel inner core being interspersed in second steel pipe
First PVP film, the second concrete being filled between second steel pipe and the first PVP film and it is welded on described second
Second connecting plate of mild steel inner core one end, the one end of the second mild steel inner core far from second connecting plate is from second steel
Pipe is pierced by and is fixedly connected on the corresponding pier stud, leads between second connecting plate and corresponding first connecting plate
Bolt is crossed to be fixedly connected.
2. concrete pier of steel tube as described in claim 1, which is characterized in that the second mild steel inner core is from second steel
Multiple ribs arranged in length and breadth are provided on the position that pipe is pierced by.
3. concrete pier of steel tube as claimed in claim 1 or 2, which is characterized in that the pier stud includes the pier arranged vertically
It column main body, the pier stud energy consuming components for being fixedly connected on the pier stud lower body and is fixedly connected under the pier stud energy consuming components
The suspension column at end, the pier stud main body include third steel pipe, the third mild steel inner core being interspersed in the third steel pipe, are filled in institute
It states the third concrete between third mild steel inner core and the third steel pipe and is welded on the third mild steel inner core lower end
Third connecting plate, the pier stud energy consuming components include the 4th steel pipe, the 4th mild steel inner core being interspersed in the 4th steel pipe, cover
The 2nd PVP film that covers on the 4th mild steel inner core side surface is filled between the 4th steel pipe and the 2nd PVP film
The 4th concrete and be welded on the 4th connecting plate at the 4th mild steel inner core both ends, the 4th connecting plate and described
It is bolted to connection between three connecting plates or the suspension column.
4. concrete pier of steel tube as claimed in claim 3, which is characterized in that first steel pipe, second steel pipe, institute
Stating third steel pipe and the 4th steel pipe is all rectangular steel tube, the first mild steel inner core, the second mild steel inner core, described
Three mild steel inner cores and the 4th mild steel inner core are all H-shaped mild steel.
5. concrete pier of steel tube as claimed in claim 4, which is characterized in that the height of the pier stud energy consuming components is described
1-1.2 times of the width of the cross section of pier stud main body.
6. concrete pier of steel tube as claimed in claim 3, which is characterized in that first steel pipe, second steel pipe, institute
It is identical with the wall thickness of the 4th steel pipe to state third steel pipe, the area phase of the cross section of first steel pipe and second steel pipe
Together, the third steel pipe is identical with the area of the cross section of the 4th steel pipe, and the area of the cross section of first steel pipe is
0.8 times of the area of the cross section of the third steel pipe.
7. concrete pier of steel tube as claimed in claim 3, which is characterized in that second concrete and the 4th coagulation
Soil is ductility concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820839264.XU CN209443360U (en) | 2018-05-31 | 2018-05-31 | A kind of concrete pier of steel tube |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820839264.XU CN209443360U (en) | 2018-05-31 | 2018-05-31 | A kind of concrete pier of steel tube |
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| CN209443360U true CN209443360U (en) | 2019-09-27 |
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| CN201820839264.XU Active CN209443360U (en) | 2018-05-31 | 2018-05-31 | A kind of concrete pier of steel tube |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109577170A (en) * | 2018-05-31 | 2019-04-05 | 华侨大学 | A kind of concrete pier of steel tube |
| CN111809526A (en) * | 2020-07-30 | 2020-10-23 | 兰州理工大学 | Assembled bridge double-column pier system capable of recovering function after earthquake and construction method |
-
2018
- 2018-05-31 CN CN201820839264.XU patent/CN209443360U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109577170A (en) * | 2018-05-31 | 2019-04-05 | 华侨大学 | A kind of concrete pier of steel tube |
| CN109577170B (en) * | 2018-05-31 | 2024-02-23 | 华侨大学 | Steel pipe concrete bridge pier |
| CN111809526A (en) * | 2020-07-30 | 2020-10-23 | 兰州理工大学 | Assembled bridge double-column pier system capable of recovering function after earthquake and construction method |
| CN111809526B (en) * | 2020-07-30 | 2021-07-16 | 兰州理工大学 | Assembled bridge double-column pier system capable of recovering function after earthquake and construction method |
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