CN109056510A - The queen post superelevation frame pier of multiple steel member connection - Google Patents
The queen post superelevation frame pier of multiple steel member connection Download PDFInfo
- Publication number
- CN109056510A CN109056510A CN201811125157.1A CN201811125157A CN109056510A CN 109056510 A CN109056510 A CN 109056510A CN 201811125157 A CN201811125157 A CN 201811125157A CN 109056510 A CN109056510 A CN 109056510A
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- Prior art keywords
- pier
- pier stud
- horizontal
- stud
- queen post
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
Abstract
The present invention relates to construction of road and bridge technical field, in particular to the queen post superelevation frame pier of multiple steel member connection.Including at least two pier studs, horizontal-associate component is connected between adjacent pier stud；The horizontal-associate component is in X-shaped and vertically disposed adjacent one another in the plane that adjacent pier stud center line is formed；The X-shaped horizontal-associate component at least two is converted into its axially drawing, pressure load with the action of horizontal lateral that will act on bridge pier.The utility model has the advantages that the lateral load of pier stud is converted to axial load by high strength steel structure horizontal-associate component, pier stud moment of flexure is small, reinforced concrete pier stud can be made full use of to play the feature that compressive property is good and high strength steel structure light wt, Compressive Strength are high in this way, to enhance the anti-seismic performance of queen post superelevation frame pier.
Description
Technical field
The present invention relates to construction of road and bridge technical field, in particular to the queen post superelevation frame pier of multiple steel member connection.
Background technique
With the development of China's transport development, the especially construction of China's Bridges in Mountainous Areas, it is controlled by landform, landforms, earthquake
Condition inevitably needs in process of construction using high-pier and long-span bridge structure, by the control of mobile load on bridge and its rigidity requirement
System, bridge pier need to have biggish size to guarantee its vertical, horizontal rigidity, and are the earthquake work for reducing the high pier bridge of earthquake territory
With, and requiring dead load light, rigidity is weak, while how solving these contradictions, and structure economics can be made reasonable, gives high bridge
The design of pier brings very big difficulty.By the investigation to domestic and international large span super-high pier, it is mainly the following type:
(1) reinforced concrete hollow pier
After the 1980s, China has built many high pier railroad bridges in earthquake territory.The clear water river bridge of Nanning Kunming Railway
Main pier be up to 100m, be located at 7 degree of earthquake territories；Flower soil slope bridge is that (64+2 × 104+64) m single line is answered in advance in interior elder brother's line
Power concrete continuous beam, the main high 110m of pier pier are located at 7 degree of earthquake territories, for super-high pier, steel using round-ended high hollow pier
Reinforced concrete hollow pier structure type is excessively heavy, and aesthetics is poor, and material utilization amount is more, unfavorable in antidetonation.
(2) hollow pier-A shape bridge pier of pier bottom fork
The main bridge of sharp railway Cai man ditch grand bridge that changes uses (80+3 × 144+80) m rigid frame-continuous girder, wherein No. 23 bridge piers are most
The partially prestressed concrete structures horizontal-associate of rectangular hollow section is arranged using A type bridge pier in up to 139.0m, is located at 6 degree of earthquakes
Area increases the lateral bending stiffness of pier bottom by way of pier bottom fork, effectively increases the lateral stiffness value of high pier, solution
The certainly rigidity requirement of superelevation Railway Bridges And Piers is an innovation of the high pier structure form of railway.But A shape pier is relatively narrow suitable for beam body,
The case where pier height is higher, pier consolidation, and width wider structure in the purlins such as steel truss girder is not suitable for.
Summary of the invention
It is an object of the invention to overcome the above-mentioned deficiency in the presence of the prior art, provide a kind of suitable for earthquake territory
The queen post superelevation frame pier of multiple steel member connection.
In order to achieve the above-mentioned object of the invention, the present invention provides following technical schemes:
The queen post superelevation frame pier of multiple steel member connection, the horizontal-associate structure including pier stud and for being connected between pier stud
Part, for horizontal-associate component between pier stud, horizontal-associate component is in X in the plane that the center line by coupled pier stud is formed
Shape, the lateral loads such as earthquake, which act through the pre-buried PBL of performance of concrete column confined and pass shear structure, reaches steel construction horizontal-associate, each pier stud with
Piece receiving compressive load of 2 horizontal-associate rod pieces, a receiving tension load for horizontal-associate point of intersection, load is essentially identical,
Contrary, for pier stud, the horizontal component of the steel construction horizontal-associate rod piece of each point of intersection is in a basic balance, will not be to concrete
Pier stud generates horizontal loading, the only vertical load of pier stud, namely " axial force ", will act at the transverse direction on concrete pier
Load is converted into it and axially draws, presses load.
When work, the moment of flexure on pier stud, such as the lateral load that earthquake generates are acted on, can be transmitted to by horizontal-associate component
Moment of flexure is further converted to drawing, pressure axial load by the structure of X-shaped by adjacent pier stud, and such pier stud can give full play to and hold
Tension, the performance of compressive load, to enhance the anti-seismic performance of queen post superelevation frame pier.Pass through horizontal-associate component simultaneously for moment of flexure
It is clear to be converted to drawing, pressure axial load, power transmission, can make that the consumptive material for making pier stud is less, self weight is lighter, to reduce bridge pier
Quantity of masonry.
As a preferred solution of the present invention, pier stud is hollow pier stud.
It as a preferred solution of the present invention, further include crossbeam for connecting pier stud, crossbeam is located at the top of pier stud.Pass through
Crossbeam increases the lateral bending stiffness of pier bottom, effectively increases the lateral stiffness value of high pier.
It as a preferred solution of the present invention, further include the cushion cap for being used to support pier stud, cushion cap is located at the bottom of pier stud, cushion cap
It is also used to the power that pier stud is born being transferred to ground.
As a preferred solution of the present invention, the hollow structure of hollow pier stud between cushion cap be equipped with pier bottom entity section, pier bottom
Entity section is entity structure.
As a preferred solution of the present invention, the inner wall of hollow pier stud is equipped with diaphragm plate, and diaphragm plate is horizontally disposed.
As a preferred solution of the present invention, horizontal-associate component is keyed with pier stud using PBL shearing is passed at diaphragm plate.It is multiple
The queen post superelevation frame pier of steel member connection includes the two hollow steel bar performance of concrete column confined in left and right, sets multiple high intensity between pier stud
X-shaped steel construction lateral connection system, steel construction lateral connection system pass shear structure by the pre-buried PBL of performance of concrete column confined and pass load
It is handed to pier stud.
As a preferred solution of the present invention, the cross section of hollow pier stud is D-shaped, and it is flat that maintenance is additionally provided on the inner wall of pier stud
Platform.
As a preferred solution of the present invention, horizontal-associate component multilayer on the cross section of pier stud is arranged.
As a preferred solution of the present invention, the material of horizontal-associate component is steel.Pier stud, diaphragm plate, cushion cap and inspection platform
For reinforced concrete structure.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, the lateral load of pier stud being converted to by axial load by high strength steel structure horizontal-associate component, pier stud moment of flexure is small,
Reinforced concrete pier stud can be made full use of to play the feature that compressive property is good and high strength steel structure light wt, Compressive Strength are high in this way, from
And enhance the anti-seismic performance of queen post superelevation frame pier.
2, lateral load is converted to by pier stud drawing, pressure axial load, power transmission by high strength steel structure horizontal-associate component simultaneously
It is clear, it can make that the material of Reinforced Concrete Pier Column is less, self weight is lighter, to reduce the quantity of masonry of bridge pier, reduce earthquake lotus
It carries.
3, keep design simple by horizontal-associate component, structure power transmission is clear, and multiple steel member and pier stud are arranged in pairs or groups, and aesthetics is good.
Compared with prior art, beneficial effects of the present invention:.
Detailed description of the invention:
Fig. 1 is the front view of the queen post superelevation frame pier embodiment 1 of multiple steel member connection；
Fig. 2 is the left view of the queen post superelevation frame pier embodiment 1 of multiple steel member connection；
Fig. 3 is the sectional view of D-D label in Fig. 2；
Marked in the figure: pier stud -1, horizontal-associate component -2, crossbeam -3, cushion cap -4, pier bottom entity section -5, diaphragm plate -6, maintenance are flat
Platform -7.
Specific embodiment
Below with reference to test example and specific embodiment, the present invention is described in further detail.But this should not be understood
It is all that this is belonged to based on the technology that the content of present invention is realized for the scope of the above subject matter of the present invention is limited to the following embodiments
The range of invention.
Embodiment 1
The queen post superelevation frame pier of multiple steel member connection, the horizontal-associate structure including pier stud 1 and for being connected between pier stud 1
Part 2, horizontal-associate component 2 is between pier stud 1, and horizontal-associate component 2 is in the plane that the center line by coupled pier stud 1 is formed
In X-shaped, drawing, pressure axial load are converted into the moment of flexure that will act on bridge pier.
When work, the moment of flexure on pier stud 1, such as the moment of flexure that earthquake generates are acted on, phase can be transmitted to by horizontal-associate component 2
Moment of flexure is further converted to drawing, pressure axial load, such pier stud 1, which can give full play to, to be held by the structure of X-shaped by adjacent pier stud 1
Tension, the performance of compressive load, to enhance the anti-seismic performance of queen post superelevation frame pier.It simultaneously will be curved by horizontal-associate component 2
It is clear that square is converted to drawing, pressure axial load, power transmission, can make that the consumptive material for making pier stud 1 is less, self weight is lighter, to reduce bridge
The quantity of masonry of pier.
Further, pier stud 1 is hollow pier stud 1.
It further, further include crossbeam 3 for connecting pier stud 1, crossbeam 3 is located at the top of pier stud 1.By crossbeam 3, increase
The lateral bending stiffness for having added pier bottom effectively increases the lateral stiffness value of high pier.
It further, further include the cushion cap 4 for being used to support pier stud 1, cushion cap 4 is located at the bottom of pier stud 1, and cushion cap 4 is also used to
The power that pier stud 1 is born is transferred to ground.
Further, the hollow structure of hollow pier stud 1 is to pier bottom entity section 5, pier bottom entity section 5 is equipped between cushion cap 4
Entity structure.
Further, the inner wall of hollow pier stud 1 is equipped with diaphragm plate 6, and diaphragm plate 6 is horizontally disposed.
Further, horizontal-associate component 2 is cut component using biography with pier stud 1 at diaphragm plate 6 and is connect, and biography cuts component as PBL biography
Cut component.The queen post superelevation frame pier of multiple steel member connection includes the two hollow steel bar performance of concrete column confined 1 in left and right, pier stud 1
Between set multiple high-intensitive X-shaped steel construction lateral connection system, steel construction lateral connection system passes through the pre-buried PBL of performance of concrete column confined 1
It passes shear structure and load is transferred to pier stud 1.
Further, the cross section of hollow pier stud 1 is D-shaped, is additionally provided with inspection platform 7 on the inner wall of pier stud 1.
Further, the multilayer on the cross section of pier stud 1 of horizontal-associate component 2 is arranged.
Further, the material of horizontal-associate component 2 is steel, and pier stud 1, diaphragm plate 6, cushion cap 4 and inspection platform 7 are mixed for reinforcing bar
Xtah Crude Clay structure.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. the queen post superelevation frame pier of multiple steel member connection, which is characterized in that
Including at least two pier studs, horizontal-associate component is connected between adjacent pier stud；
The horizontal-associate component is in X-shaped and vertically disposed adjacent one another in the plane that adjacent pier stud center line is formed；
The X-shaped horizontal-associate component at least two is converted into its axially drawing, pressure with the action of horizontal lateral that will act on bridge pier
Load.
2. queen post superelevation frame pier according to claim 1, which is characterized in that the pier stud is hollow pier stud.
3. queen post superelevation frame pier according to claim 2, which is characterized in that further include for connecting the pier stud
Crossbeam, the crossbeam are located at the top of the pier stud.
4. queen post superelevation frame pier according to claim 3, which is characterized in that further include being used to support the pier stud
Cushion cap, the cushion cap are located at the bottom of the pier stud.
5. queen post superelevation frame pier according to claim 4, which is characterized in that the pier stud is set between the cushion cap
There is pier bottom entity section, the pier bottom entity section is entity structure.
6. queen post superelevation frame pier according to claim 5, which is characterized in that the inner wall of the hollow pier stud is equipped with
Diaphragm plate, the diaphragm plate are horizontally disposed.
7. queen post superelevation frame pier according to claim 6, which is characterized in that the horizontal-associate component is in the diaphragm plate
Place is keyed with the pier stud using PBL shearing.
8. queen post superelevation frame pier according to claim 7, which is characterized in that the cross section of the hollow pier stud is D
Shape is additionally provided with inspection platform on the inner wall of the pier stud.
9. queen post superelevation frame pier according to claim 1 to 8, which is characterized in that the horizontal-associate component exists
Multilayer is arranged on the cross section of the pier stud.
10. queen post superelevation frame pier according to claim 9, which is characterized in that the material of the horizontal-associate component is steel
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811125157.1A CN109056510A (en) | 2018-09-26 | 2018-09-26 | The queen post superelevation frame pier of multiple steel member connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811125157.1A CN109056510A (en) | 2018-09-26 | 2018-09-26 | The queen post superelevation frame pier of multiple steel member connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109056510A true CN109056510A (en) | 2018-12-21 |
Family
ID=64766016
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811125157.1A Pending CN109056510A (en) | 2018-09-26 | 2018-09-26 | The queen post superelevation frame pier of multiple steel member connection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258310A (en) * | 2019-07-10 | 2019-09-20 | 中铁第四勘察设计院集团有限公司 | Bridge pier and bridge substructure |
| CN113699875A (en) * | 2021-09-03 | 2021-11-26 | 河海大学 | Super high shock attenuation pier structure of nearly fault railway |
| CN114293460A (en) * | 2022-02-15 | 2022-04-08 | 中南大学 | Railway swinging hollow high pier with damping and energy-consuming devices |
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| JP2008214973A (en) * | 2007-03-05 | 2008-09-18 | Kajima Corp | Seismic-control bridge pier structure |
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Patent Citations (10)
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| CN2632135Y (en) * | 2003-06-27 | 2004-08-11 | 北京建达道桥咨询有限公司 | Pile unitary columnar pier structure |
| JP2008214973A (en) * | 2007-03-05 | 2008-09-18 | Kajima Corp | Seismic-control bridge pier structure |
| CN101074554A (en) * | 2007-06-15 | 2007-11-21 | 四川省交通厅公路规划勘察设计研究院 | Steel-pipe concrete assembled pier |
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| JP2013002238A (en) * | 2011-06-21 | 2013-01-07 | Sumitomo Mitsui Construction Co Ltd | Method of constructing bridge pier |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258310A (en) * | 2019-07-10 | 2019-09-20 | 中铁第四勘察设计院集团有限公司 | Bridge pier and bridge substructure |
| CN113699875A (en) * | 2021-09-03 | 2021-11-26 | 河海大学 | Super high shock attenuation pier structure of nearly fault railway |
| CN114293460A (en) * | 2022-02-15 | 2022-04-08 | 中南大学 | Railway swinging hollow high pier with damping and energy-consuming devices |
| CN114293460B (en) * | 2022-02-15 | 2022-09-20 | 中南大学 | Railway swinging hollow high pier with damping and energy-consuming devices |
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