CN105926427B - Pier beam transition connecting construction - Google Patents
Pier beam transition connecting construction Download PDFInfo
- Publication number
- CN105926427B CN105926427B CN201610280654.3A CN201610280654A CN105926427B CN 105926427 B CN105926427 B CN 105926427B CN 201610280654 A CN201610280654 A CN 201610280654A CN 105926427 B CN105926427 B CN 105926427B
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- bent cap
- steel pipe
- pier
- bottom plate
- transition connecting
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of pier beam transition connecting constructions, including pier stud and bent cap, wherein pier stud includes steel pipe and the concrete in steel pipe, and bent cap includes bent cap top plate and bent cap bottom plate, bent cap bottom plate lower surface is connected with several anchor slabs, several holes are offered on each anchor slab；Bent cap bottom plate is fixed on the steel pipe top of the pier stud, and the anchor slab is embedded in the concrete in the steel pipe.The pier beam transition connecting construction, by being provided with several anchor slabs on the bent cap bottom plate of bent cap, anchor slab is equipped with several holes, when bent cap is connected with each other with pier stud, directly anchor slab is inserted into the steel pipe of pier stud, anchor slab is nested in concrete during concreting in steel pipe, the anchor connection of pier stud and bent cap is realized in the hole on the anchor slab as shearing hole and coagulation soil interaction；The connection structure of the pier beam transition connecting construction is simple and convenient to operate, short construction period, and connection is more firm effective.
Description
Technical field
The present invention relates to a kind of composite bridge field, particularly a kind of pier beam transition connecting construction.
Background technology
Modern Highway Construction in Mountainous Area is limited for fear of narrow terrain, place, typically using beam bridge structure.And show
The concrete simply supported beam of some uses, since girder construction weight is big, labor intensity is high, sandstone material dosage is big, environment-friendly type
Difference, and the manufacture craft of the beams of concrete, need formwork erection to be poured, and the period of construction technology is longer, need health, hold
It is also easy to produce mass defect；Since the bridge pier that its mountain area is set up is generally all higher, the difficulty of construction set a roof beam in place, while mountain are increased
The geological disaster in area is serious, and beams of concrete bearing capacity and anti-seismic performance are insufficient.When existing concrete bridge pier is connect with bent cap, one
As concrete crossed using embedded bar Netcom secure the two together, operation is complex, construction period is longer, and even
It is not firm to connect.
Invention content
The goal of the invention of the present invention is：When being connect for the existing concrete bridge pier present in the prior art with bent cap,
Generally the two is linked together using embedded bar net, the operation brought is complex, construction period is longer, connection and loosely
By the problem of, a kind of pier beam transition connecting construction is provided.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of pier beam transition connecting construction, including pier stud and bent cap, the pier stud includes steel pipe and in steel pipe
Concrete, the bent cap include bent cap top plate and bent cap bottom plate, and the bent cap bottom plate lower surface is connected with several anchor slabs, each
Several holes are offered on the anchor slab；The bent cap bottom plate is fixed on the steel pipe top of the pier stud, and the anchor slab is embedded in institute
It states in the concrete in steel pipe.
The pier beam transition connecting construction, by being provided with several anchor slabs on the bent cap bottom plate of bent cap, anchor slab is equipped with
Anchor slab when bent cap and pier stud are connected with each other, is directly inserted into the steel pipe of pier stud, the concreting in steel pipe by several holes
When anchor slab is nested in concrete, hole on the anchor slab of bent cap bottom plate lower surface is real as shearing hole and coagulation soil interaction
The anchor connection of existing pier stud and bent cap.It is connect relative to existing concrete pier stud with bent cap by bar-mat reinforcement, the transition of pier beam connects
The connection structure for connecing construction is simple and convenient to operate, short construction period, and connection is more firm effective.
Preferably, all anchor slabs are vertically welded on the bent cap bottom plate lower surface, and welding is more convenient.
Preferably, all anchor slabs include two groups of anchor slabs being arranged in a mutually vertical manner, and every group of anchor slab includes at least two phases
Mutually parallel anchor slab.
Two groups of anchor slabs on bent cap bottom plate are arranged to mutually orthogonal direction, can solve bent cap or pier stud by not Tongfang
To Moment when, enhance the shear connections effect of anchor slab and concrete, increase the connective stability of bent cap and pier stud.
Preferably, the anchor slab is symmetrically distributed on the bent cap bottom plate.
Preferably, several hole sizes on each anchor slab are identical and are evenly distributed.
Preferably, the bent cap bottom plate is welded on the steel pipe top of the pier stud.
Preferably, several ribbed stiffeners are connected between the outer wall of steel pipe of the pier stud and the bent cap bottom plate lower surface.
The steel-pipe welding area of bent cap bottom plate and pier stud can be increased, the connection for effectively improving bent cap bottom plate and pier stud is strong
Degree.
Preferably, all ribbed stiffeners are uniformly connected on the outside of the steel pipe.
Preferably, several are longitudinally connected with along pier stud between the bent cap top plate of the bent cap, bent cap bottom plate and steel pipe to add
Strength plate one.
Bent cap top plate, bent cap bottom plate and steel pipe are interconnected by stiffener one, coordinate ribbed stiffener, further
Increase the bonding strength of bent cap and pier stud.
Preferably, the steel pipe inner wall is equipped with a circle stiffening ring, and the stiffening ring is located at below the anchor slab, and is filled in
In the concrete.
Stiffening ring is set in steel pipe inner wall, the steel pipe walls local stiffness of pier stud can be improved, stress concentration is avoided the occurrence of, have
Effect reduces peak stress, improves the bonding strength of pier beam transition connecting construction.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1st, pier beam transition connecting construction of the present invention, by being provided with several anchor slabs on the bent cap bottom plate of bent cap,
Anchor slab is equipped with several holes, when bent cap and pier stud are connected with each other, is directly inserted into anchor slab in the steel pipe of pier stud, in steel pipe
Anchor slab is nested in concrete during concreting, the hole on the anchor slab of bent cap bottom plate lower surface is as shearing hole and concrete phase
The anchor connection of pier stud and bent cap is realized in interaction.It is connect relative to existing concrete pier stud with bent cap by bar-mat reinforcement, pier
The connection structure of beam transition connecting construction is simple and convenient to operate, short construction period, and connection is more firm effective；
2nd, pier beam transition connecting construction of the present invention uses two groups of anchor slabs on bent cap bottom plate and is arranged to be mutually perpendicular to
Direction, bent cap or pier stud can be solved when by the Moment of different directions, enhance the shear connections of anchor slab and concrete
Effect increases the connective stability of bent cap and pier stud；
3rd, pier beam transition connecting construction of the present invention connects between the outer wall of steel pipe of pier stud and the bent cap bottom plate lower surface
Several ribbed stiffeners are connected to, the steel-pipe welding area of bent cap bottom plate and pier stud can be increased, effectively improve bent cap bottom plate and pier stud
Bonding strength；
4th, pier beam transition connecting construction of the present invention sets stiffening ring in steel pipe inner wall, can improve the steel pipe of pier stud
Wall local stiffness avoids the occurrence of stress concentration, effectively reduces peak stress, improves the bonding strength of pier beam transition connecting construction.
Description of the drawings
Fig. 1 is the inside structure diagram of pier beam transition connecting construction of the present invention；
Fig. 2 is the structure diagram of A-A in Fig. 1；
Fig. 3 is the B-B structure diagrams in Fig. 1；
Fig. 4 is C-C structure diagrams in Fig. 1；
Fig. 5 is D-D structure diagrams in Fig. 1.
It is marked in figure：
1st, pier stud, 11, steel pipe, 12, concrete, 2, bearing lower steel plate, 3, bent cap, 31, bent cap top plate, 32, bent cap bottom plate,
33rd, stiffener one, 34, stiffener two, 4, anchor slab, 5, hole, 6, stiffening ring, 7, ribbed stiffener.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
As shown in Figs. 1-5, a kind of pier beam transition connecting construction, including pier stud 1 and bent cap 3, the pier stud 1 includes steel pipe 11
And the concrete 12 in steel pipe 11, the bent cap 3 include bent cap top plate 31 and bent cap bottom plate 32, the bent cap bottom plate 32
Lower surface is connected with several anchor slabs 4, several holes 5 are offered on each anchor slab 4；The bent cap bottom plate 32 is fixed on institute
11 top of steel pipe of pier stud 1 is stated, the anchor slab 4 is embedded in the concrete 12 in the steel pipe 11.
Above-mentioned all anchor slabs 4 are vertically welded on 32 lower surface of bent cap bottom plate, and all anchor slabs 4 are divided mutually to hang down
The two groups of anchor slabs 4 directly set, every group of anchor slab 4 include at least two anchor slabs 4 being mutually parallel.As described in Figure, in bent cap bottom
11 join domain of steel pipe two lateral anchor slabs 4 is set to be used as one group, two lateral each longitudinal anchor slabs of setting two in 4 outside of anchor slabs
4 are used as another group；Into two groups of anchor slabs 4 on the bent cap bottom plate 32 of mutually orthogonal direction, bent cap 3 can be solved or pier stud 1 exists
By different directions Moment when, can effectively enhance the shear connections effect of anchor slab 4 and concrete 12, increase by 3 He of bent cap
The connective stability of pier stud 1.In order to make the shearing resistance on anchor slab 4 uniform, each anchor slab 4 is symmetrically distributed on bent cap bottom plate 32,
And 5 size of hole on each anchor slab 4 is identical and is evenly distributed, and in order to enhance the anchoring strength of anchor slab 4, can also increase in hole 5
If reinforcing bar.
Above-mentioned bent cap bottom plate 32 is fixed on 11 top of steel pipe of pier stud 1 by welding, in order to increase lid
11 bonding area of steel pipe of beam bottom plate 32 and pier stud 1 effectively improves the bonding strength of bent cap bottom plate 32 and pier stud 1, in pier stud 1
Several ribbed stiffeners 7 are connected between 32 lower surface of 11 outer wall of steel pipe and bent cap bottom plate, all ribbed stiffeners 7 are uniformly connected to described
11 outside of steel pipe.In addition, along 1 longitudinal direction of pier stud between the bent cap top plate 31 of bent cap 3, bent cap web, bent cap bottom plate 32 and steel pipe 11
Several stiffeners 1 are connected with, several stiffeners 2 34 are welded between bent cap top plate 31 and bent cap bottom plate 32.Pass through
Stiffener 1 interconnects bent cap top plate 31, bent cap bottom plate 32 and steel pipe 11, coordinates ribbed stiffener 7, can be into one
Step increases the bonding strength of bent cap 3 and pier stud 1.
Above-mentioned ribbed stiffener 7 and the contact line of bent cap bottom plate 32 and stiffener 1, stiffener 2 34 and bent cap top plate
31st, bent cap bottom plate 32, bent cap web and 1 steel pipe of pier stud, 11 contact line and be partial penetration weldering, penetration rate be more than 90%,
And groove should be opened up；The groove weld of the ribbed stiffener 7 and bent cap bottom plate 32 should use the smaller welding rod of diameter, electric current relatively low
DC welder multi-layer welding improves the reliability of welding and welding is avoided to damage 3 inner concrete 12 of bent cap and steel Shu Zaocheng；Respectively
The assembling sequence of component should be determined according to installation requirement and engineer testing.
In addition, being also provided with a circle or multi-turn stiffening ring 6 in 11 inner wall of steel pipe, which is set on 4 lower section of anchor slab,
And it is corresponding with 11 position of steel pipe where 7 end of ribbed stiffener, and be filled in the concrete 12.By in 11 inner wall of steel pipe
Stiffening ring 6 is set, the 11 wall local stiffness of steel pipe of pier stud 1 can be improved, avoid the occurrence of stress concentration, effectively reducing peak value should
Power improves the bonding strength of pier beam transition connecting construction.
The pier beam transition connecting construction, by being provided with several anchor slabs 4 on the bent cap bottom plate 32 of bent cap 3, on anchor slab 4
Equipped with several holes 5, when bent cap 3 and pier stud 1 are connected with each other, directly anchor slab 4 is inserted into the steel pipe 11 of pier stud 1, steel pipe 11
Anchor slab 4 is nested in concrete 12 by interior concrete 12 when pouring, and the hole 5 on 32 lower surface anchor slab 4 of bent cap bottom plate is used as and cuts
Power hole 5 interacts with concrete 12, realizes the anchor connection of pier stud 1 and bent cap 3.Relative to 12 pier stud 1 of existing concrete with
Bent cap 3 is connected by bar-mat reinforcement, and pier beam transition connecting construction is by triple anchoring systems, and connection structure is simple, operation side
Just, short construction period, connection are more firm effective.Bearing lower steel plate 2 and bent cap top plate 31 are welded to each other again, reality can be facilitated
The integrated connection of existing bearing, bent cap 3 and pier stud 1 effectively improves bridge assembling construction efficiency.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of pier beam transition connecting construction, including pier stud (1) and bent cap (3), the pier stud (1) is including steel pipe (11) and sets
In the concrete (12) in steel pipe (11), the bent cap (3) includes bent cap top plate (31) and bent cap bottom plate (32), and feature exists
In bent cap bottom plate (32) lower surface is connected with several anchor slabs (4), several holes are offered on each anchor slab (4)
(5)；The bent cap bottom plate (32) is fixed at the top of the steel pipe (11) of the pier stud (1), the embedded steel pipe of the anchor slab (4)
(11) in the concrete (12) in.
2. pier beam transition connecting construction according to claim 1, which is characterized in that the equal vertical welding of all anchor slabs (4)
It is connected on bent cap bottom plate (32) lower surface.
3. pier beam transition connecting construction according to claim 2, which is characterized in that all anchor slabs (4) are comprising mutual
Vertically disposed two groups of anchor slabs (4), the anchor slab (4) that every group of anchor slab (4) is mutually parallel including at least two.
4. pier beam transition connecting construction according to claim 1, which is characterized in that the anchor slab (4) is symmetrically distributed in institute
It states on bent cap bottom plate (32).
5. pier beam transition connecting construction according to claim 1, which is characterized in that several on each anchor slab (4)
A hole (5) size is identical and is evenly distributed.
6. according to any pier beam transition connecting constructions of claim 1-5, which is characterized in that bent cap bottom plate (32) weldering
It is connected at the top of the steel pipe (11) of the pier stud (1).
7. pier beam transition connecting construction according to claim 6, which is characterized in that the steel pipe (11) of the pier stud (1) is outside
Several ribbed stiffeners (7) are connected between wall and the bent cap bottom plate (32) lower surface.
8. pier beam transition connecting construction according to claim 7, which is characterized in that all ribbed stiffeners (7) uniformly connect
It is connected on the outside of the steel pipe (11).
9. pier beam transition connecting construction according to claim 6, which is characterized in that the bent cap top plate of the bent cap (3)
(31), several stiffeners one (33) are longitudinally connected with along pier stud (1) between bent cap bottom plate (32) and steel pipe (11).
10. pier beam transition connecting construction according to claim 6, which is characterized in that steel pipe (11) inner wall is equipped with one
Stiffening ring (6) is enclosed, the stiffening ring (6) is filled in below the anchor slab (4) in the concrete (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610280654.3A CN105926427B (en) | 2016-04-28 | 2016-04-28 | Pier beam transition connecting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610280654.3A CN105926427B (en) | 2016-04-28 | 2016-04-28 | Pier beam transition connecting construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105926427A CN105926427A (en) | 2016-09-07 |
| CN105926427B true CN105926427B (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610280654.3A Active CN105926427B (en) | 2016-04-28 | 2016-04-28 | Pier beam transition connecting construction |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360366B (en) * | 2018-01-23 | 2024-02-23 | 安徽省交通控股集团有限公司 | Prefabricated pier and plate cross shear support connection structure |
| CN108532448A (en) * | 2018-07-04 | 2018-09-14 | 深圳市市政设计研究院有限公司 | A kind of concrete circular stub consolidates connecting structure with girder steel |
| CN110396915A (en) * | 2019-07-11 | 2019-11-01 | 重庆大学 | U-shaped Steel Thin-Wall-prestress reinforcement Combined concrete bent cap and thin wall steel tube concrete pier stud joint structure and construction technology |
| CN113026794B (en) * | 2019-12-24 | 2023-03-21 | 新疆金风科技股份有限公司 | Combined anchor plate, anchor bolt cage and tower foundation |
| CN111622083A (en) * | 2020-05-21 | 2020-09-04 | 大连理工大学 | Device and method for solidifying steel box girder and concrete bridge pier |
| CN113832840B (en) * | 2021-08-26 | 2023-08-22 | 广州市城建规划设计院有限公司 | Double-wall hollow pier column top support connecting node and construction method |
| CN114592436B (en) * | 2022-03-18 | 2023-05-12 | 四川省公路规划勘察设计研究院有限公司 | Pier capping beam lower support system and construction method thereof |
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| CN101818478A (en) * | 2010-03-09 | 2010-09-01 | 河海大学 | Connection structure for concrete-filled circular steel tubular pier column and concrete cover beam |
| CN101906754A (en) * | 2010-07-09 | 2010-12-08 | 清华大学 | Rigid connection method for steel beam and concrete pier |
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| CN203429551U (en) * | 2013-09-13 | 2014-02-12 | 上海市城市建设设计研究总院 | Cast-in-situ reverse T-shaped bent cap and bridge pier |
| CN204370296U (en) * | 2014-12-24 | 2015-06-03 | 福州大学 | A kind of bridge pier-bent cap structure improving beam bridge Horizontal Seismic performance |
| KR20160026213A (en) * | 2014-08-29 | 2016-03-09 | 청원엔지니어링(주) | Pedestrian bridge design and construction method using ready made h-beam with prestressed forces on column inside connection |
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2016
- 2016-04-28 CN CN201610280654.3A patent/CN105926427B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818478A (en) * | 2010-03-09 | 2010-09-01 | 河海大学 | Connection structure for concrete-filled circular steel tubular pier column and concrete cover beam |
| CN201686929U (en) * | 2010-06-11 | 2010-12-29 | 天津二十冶建设有限公司 | Pier column for bent cap construction |
| CN101906754A (en) * | 2010-07-09 | 2010-12-08 | 清华大学 | Rigid connection method for steel beam and concrete pier |
| CN203429551U (en) * | 2013-09-13 | 2014-02-12 | 上海市城市建设设计研究总院 | Cast-in-situ reverse T-shaped bent cap and bridge pier |
| KR20160026213A (en) * | 2014-08-29 | 2016-03-09 | 청원엔지니어링(주) | Pedestrian bridge design and construction method using ready made h-beam with prestressed forces on column inside connection |
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| Publication number | Publication date |
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| CN105926427A (en) | 2016-09-07 |
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