CN105926427A - Pier and beam transitional connecting structure - Google Patents
Pier and beam transitional connecting structure Download PDFInfo
- Publication number
- CN105926427A CN105926427A CN201610280654.3A CN201610280654A CN105926427A CN 105926427 A CN105926427 A CN 105926427A CN 201610280654 A CN201610280654 A CN 201610280654A CN 105926427 A CN105926427 A CN 105926427A
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- China
- Prior art keywords
- bent cap
- steel pipe
- pier
- anchor
- base plate
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Classifications
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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 invention relates to a pier and beam transitional connecting structure which comprises a pier column and a cover beam. The pier column comprises a steel pipe and concrete arranged in the steel pipe. The cover beam comprises a cover beam top board and a cover beam bottom board. The lower surface of the cover beam bottom board is connected with multiple anchor boards. Each anchor board is provided with multiple holes. The cover beam bottom board is fixed to the top of the steel pipe of the pier column. The anchor boards are embedded in the concrete in the steel pipe. By the adoption of the pier and beam transitional connecting structure, the multiple anchor boards are arranged on the cover beam bottom board of the cover beam, and each anchor board is provided with the multiple holes, so that when the cover beam and the pier column are connected with each other, the anchor boards are directly inserted in the steel pipe of the pier column, the anchor boards are embedded in the concrete in a sleeved manner when the concrete in the steel pipe is poured, the holes in the anchor boards serve as shearing force holes to interact with the concrete, and anchoring connection between the pier column and the cover beam is achieved. The pier and beam transitional connecting structure is simple, convenient to operate, short in construction period and more stable and effective in connection.
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, limits for fear of narrow terrain, place, is typically all and uses beam bridge knot
Structure.And the concrete simply supported beam of existing employing, owing to girder construction weight is big, labour intensity is high, its sand
Stone material consumption is big, environment-friendly type is poor, and the manufacture craft of this beams of concrete, needs formwork erection to pour,
The cycle of its construction technology is longer, needs health, easily produces mass defect；Owing to its mountain area is set up
Bridge pier is the highest, increases the difficulty of construction set a roof beam in place, and the geological disaster in mountain area is serious simultaneously, coagulation
Soil load bearing beam ability and anti-seismic performance are not enough.When existing concrete bridge pier is connected with bent cap, general employing is pre-buried
Bar-mat reinforcement is secured the two together by concrete, and operation is complex, construction period is longer for it, and
It is the most firm to connect.
Summary of the invention
The goal of the invention of the present invention is: for the existing concrete bridge pier existing for prior art with bent cap even
When connecing, the two is linked together by general employing embedded bar net, and the operation brought is complex, construction week
Phase is longer, connect and illusive problem, it is provided that a kind of pier beam transition connecting construction.
To achieve these goals, the technical solution used in the present invention is:
A kind of pier beam transition connecting construction, including pier stud and bent cap, described pier stud includes steel pipe and is located at steel
Concrete in pipe, described bent cap includes bent cap top board and bent cap base plate, and described bent cap base plate lower surface connects
There are several anchor slabs, each described anchor slab offers several holes；Described bent cap base plate is fixed on described pier
The steel pipe top of post, described anchor slab embeds in the concrete in described steel pipe.
This pier beam transition connecting construction, by being provided with several anchor slabs, anchor slab on the bent cap base plate of bent cap
It is provided with several holes, when bent cap is connected with each other with pier stud, directly anchor slab is inserted in the steel pipe of pier stud,
Being nested in concrete by anchor slab during concreting in steel pipe, the hole on bent cap base plate lower surface anchor slab is made
Interact with concrete for shearing hole, it is achieved pier stud and the anchor connection of bent cap.Relative to existing concrete
Pier stud is connected by bar-mat reinforcement with bent cap, the attachment structure of its pier beam transition connecting construction is simple and convenient to operate,
Short construction period, connects more firm effective.
Preferably, all described anchor slabs are all vertically welded on described bent cap base plate lower surface, weld more square
Just.
Preferably, all described anchor slabs comprise the two groups of anchor slabs being arranged in a mutually vertical manner, and often group anchor slab includes at least
Two anchor slabs being parallel to each other.
Two groups of anchor slabs on bent cap base plate are arranged to mutually orthogonal direction, it is possible to solve bent cap or pier stud is being subject to
During the Moment of different directions, strengthen the shear connections effect of anchor slab and concrete, increase bent cap and pier stud
Connective stability.
Preferably, described anchor slab is symmetrically distributed on described bent cap base plate.
Preferably, several hole sizes on each described anchor slab are identical and are evenly distributed.
Preferably, described bent cap base plate is welded on the steel pipe top of described pier stud.
Preferably, it is connected between the outer wall of steel pipe of described pier stud with described bent cap base plate lower surface and has several to add
Strength rib.
The steel-pipe welding area of bent cap base plate and pier stud can be increased, be effectively improved the company of bent cap base plate and pier stud
Connect intensity.
Preferably, all described ribbed stiffeners are uniformly connected to outside described steel pipe.
Preferably, if the bent cap top board of described bent cap, being longitudinally connected with along pier stud between bent cap base plate and steel pipe
Dry stiffener one.
By stiffener one, bent cap top board, bent cap base plate and steel pipe are interconnected, coordinate ribbed stiffener,
Increase bent cap and the bonding strength of pier stud further.
Preferably, described steel pipe inner wall is provided with a circle stiffening ring, and described stiffening ring is positioned at below described anchor slab,
And be filled in described concrete.
Stiffening ring is set at steel pipe inner wall, it is possible to increase the steel pipe walls local stiffness of pier stud, it is to avoid stress occurs
Concentrate, effectively reduce peak stress, improve the bonding strength of pier beam transition connecting construction.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, pier beam transition connecting construction of the present invention, by being provided with several on the bent cap base plate of bent cap
Anchor slab, anchor slab is provided with several holes, when bent cap is connected with each other with pier stud, directly anchor slab is inserted pier stud
Steel pipe in, during concreting in steel pipe, anchor slab is nested in concrete, bent cap base plate lower surface anchor
Hole on plate interacts with concrete as shearing hole, it is achieved pier stud and the anchor connection of bent cap.Relative to
Existing concrete pier stud is connected by bar-mat reinforcement with bent cap, the attachment structure of its pier beam transition connecting construction is simple,
Easy to operate, short construction period, connects more firm effective；
2, pier beam transition connecting construction of the present invention, uses two groups of anchor slabs on bent cap base plate and is arranged to phase
The most vertical direction, it is possible to solve bent cap or pier stud when by the Moment of different directions, strengthen anchor slab with
The shear connections effect of concrete, increases bent cap and the connective stability of pier stud；
3, pier beam transition connecting construction of the present invention, the outer wall of steel pipe of pier stud and described bent cap base plate lower surface
Between connect and have several ribbed stiffeners, it is possible to increase the steel-pipe welding area of bent cap base plate and pier stud, effectively carry
High bent cap base plate and the bonding strength of pier stud；
4, pier beam transition connecting construction of the present invention, arranges stiffening ring at steel pipe inner wall, it is possible to increase pier stud
Steel pipe walls local stiffness, it is to avoid occur that stress is concentrated, effectively reduce peak stress, improve pier beam transition even
Connect the bonding strength of structure.
Accompanying drawing explanation
Fig. 1 is the inside structural representation of pier beam transition connecting construction of the present invention；
Fig. 2 is the structural representation of A-A in Fig. 1；
Fig. 3 is the B-B structural representation in Fig. 1；
Fig. 4 is C-C structural representation in Fig. 1；
Fig. 5 is D-D structural representation in Fig. 1.
Figure marks:
1, pier stud, 11, steel pipe, 12, concrete, 2, bearing lower steel plate, 3, bent cap, 31, bent cap top
Plate, 32, bent cap base plate, 33, stiffener one, 34, stiffener two, 4, anchor slab, 5, hole, 6, put more energy into
Ring, 7, ribbed stiffener.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
In order to explain the present invention, it is not intended to limit the present invention.
As Figure 1-5, a kind of pier beam transition connecting construction, including pier stud 1 and bent cap 3, described pier stud 1
Including steel pipe 11 and the concrete 12 be located in steel pipe 11, described bent cap 3 includes bent cap top board 31 and lid
Beam base plate 32, described bent cap base plate 32 lower surface connects several anchor slabs 4, and each described anchor slab 4 is opened
It is provided with several holes 5；Described bent cap base plate 32 is fixed on steel pipe 11 top of described pier stud 1, described anchor slab
4 embed in the concrete 12 in described steel pipe 11.
Above-mentioned all anchor slabs 4 are all vertically welded on bent cap base plate 32 lower surface, and by all anchor slabs 4 points
For the two groups of anchor slabs 4 being arranged in a mutually vertical manner, often group anchor slab 4 includes the anchor slab 4 that at least two is parallel to each other.As
Described in figure, steel pipe 11 join domain bottom bent cap arranges two horizontal anchor slabs 4 as one group, two
Laterally outside anchor slab 4, two longitudinal anchor slabs 4 are respectively set as another group；Become the bent cap of mutually orthogonal direction
Two groups of anchor slabs 4 on base plate 32, it is possible to solve bent cap 3 or pier stud 1 when by the Moment of different directions,
The shear connections effect of anchor slab 4 and concrete 12 be can effectively strengthen, bent cap 3 and the connection of pier stud 1 increased
Stability.In order to make the shearing resistance on anchor slab 4 uniform, each anchor slab 4 is symmetrically distributed on bent cap base plate 32,
And hole 5 size on each anchor slab 4 is identical and is evenly distributed, in order to strengthen the anchoring strength of anchor slab 4, also
Reinforcing bar can be set up in hole 5.
Above-mentioned bent cap base plate 32 is fixed on steel pipe 11 top of pier stud 1 by the way of welding, in order to enable
Enough increase steel pipe 11 bonding area of bent cap base plate 32 and pier stud 1, be effectively improved bent cap base plate 32 and pier stud
The bonding strength of 1, is connected between steel pipe 11 outer wall and bent cap base plate 32 lower surface of pier stud 1 and has several
Ribbed stiffener 7, all ribbed stiffeners 7 are uniformly connected to outside described steel pipe 11.It addition, the bent cap top of bent cap 3
It is longitudinally connected with several along pier stud 1 between plate 31, bent cap web, bent cap base plate 32 and steel pipe 11 to put more energy into
Plate 1, is welded with several stiffeners 2 34 between bent cap top board 31 and bent cap base plate 32.By putting more energy into
Bent cap top board 31, bent cap base plate 32 and steel pipe 11 are interconnected by plate 1, coordinate ribbed stiffener 7,
Bent cap 3 and the bonding strength of pier stud 1 can be increased further.
The line that contacts of above-mentioned ribbed stiffener 7 and bent cap base plate 32, and stiffener 1, stiffener 2 34
Contact line with bent cap top board 31, bent cap base plate 32, bent cap web and pier stud 1 steel pipe 11, and be portion
Dividing penetration weld, penetration rate is more than 90%, and should offer groove；This ribbed stiffener 7 and the groove of bent cap base plate 32
Weld seam, should use the DC welder multilayer welding that welding rod that diameter is less, electric current are relatively low, and that improves welding can
Bent cap 3 inner concrete 12 and steel Shu Zaocheng is damaged with avoiding welding by property；The assembling sequence of each component answers root
It is determined according to installation requirement and engineer testing.
It addition, be also provided with a circle or multi-turn stiffening ring 6 at steel pipe 11 inwall, this stiffening ring 6 is located at anchor
Below plate 4 and corresponding with steel pipe 11 position at place, ribbed stiffener 7 end, and it is filled in described concrete
In 12.By arranging stiffening ring 6 at steel pipe 11 inwall, it is possible to increase the steel pipe 11 wall local of pier stud 1 is just
Degree, it is to avoid occur that stress is concentrated, effectively reduces peak stress, and the connection improving pier beam transition connecting construction is strong
Degree.
This pier beam transition connecting construction, by being provided with several anchor slabs 4 on the bent cap base plate 32 of bent cap 3,
Anchor slab 4 is provided with several holes 5, when bent cap 3 is connected with each other with pier stud 1, directly anchor slab 4 is inserted pier
In the steel pipe 11 of post 1, when the concrete 12 in steel pipe 11 pours, anchor slab 4 is nested in concrete 12,
Hole 5 on bent cap base plate 32 lower surface anchor slab 4 interacts with concrete 12 as shearing hole 5, it is achieved
Pier stud 1 and the anchor connection of bent cap 3.Bar-mat reinforcement is passed through relative to existing concrete 12 pier stud 1 and bent cap 3
Connecting, its pier beam transition connecting construction passes through triple anchoring systems, its attachment structure is simple and convenient to operate,
Short construction period, connects more firm effective.Again bearing lower steel plate 2 is welded to each other with bent cap top board 31,
Can conveniently realize bearing, bent cap 3 and the integrated connection of pier stud 1, be effectively improved bridge and assemble efficiency of construction.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (10)
1. a pier beam transition connecting construction, including pier stud (1) and bent cap (3), described pier stud (1) includes steel pipe (11)
And the concrete (12) being located in steel pipe (11), described bent cap (3) includes bent cap top board (31) and bent cap base plate
(32), it is characterised in that described bent cap base plate (32) lower surface connects several anchor slabs (4), each described anchor
Several holes (5) are offered on plate (4)；Described bent cap base plate (32) is fixed on steel pipe (11) top of described pier stud (1)
Portion, described anchor slab (4) embeds in the concrete (12) in described steel pipe (11).
Pier beam transition connecting construction the most according to claim 1, it is characterised in that all described anchor slabs (4)
All it is vertically welded on described bent cap base plate (32) lower surface.
Pier beam transition connecting construction the most according to claim 2, it is characterised in that all described anchor slabs (4)
Comprise the two groups of anchor slabs (4) being arranged in a mutually vertical manner, often organize anchor slab (4) and include the anchor slab that at least two is parallel to each other
(4)。
Pier beam transition connecting construction the most according to claim 1, it is characterised in that symmetrical point of described anchor slab (4)
Cloth is on described bent cap base plate (32).
Pier beam transition connecting construction the most according to claim 1, it is characterised in that each described anchor slab (4)
On several holes (5) size identical and be evenly distributed.
6. according to the arbitrary described pier beam transition connecting construction of claim 1-5, it is characterised in that at the bottom of described bent cap
Plate (32) is welded on steel pipe (11) top of described pier stud (1).
Pier beam transition connecting construction the most according to claim 6, it is characterised in that the steel pipe of described pier stud (1)
(11) it is connected between outer wall with described bent cap base plate (32) lower surface and has several ribbed stiffeners (7).
Pier beam transition connecting construction the most according to claim 7, it is characterised in that all described ribbed stiffeners (7)
Uniformly it is connected to described steel pipe (11) outside.
Pier beam transition connecting construction the most according to claim 6, it is characterised in that the bent cap of described bent cap (3)
It is longitudinally connected with several stiffeners one along pier stud (1) between top board (31), bent cap base plate (32) and steel pipe (11)
(33)。
Pier beam transition connecting construction the most according to claim 6, it is characterised in that described steel pipe (11) inwall
Being provided with a circle stiffening ring (6), described stiffening ring (6) is positioned at described anchor slab (4) lower section, and is filled in described concrete
(12) in.
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 true CN105926427A (en) | 2016-09-07 |
| CN105926427B CN105926427B (en) | 2018-06-19 |
Family
ID=56837845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610280654.3A Active CN105926427B (en) | 2016-04-28 | 2016-04-28 | Pier beam transition connecting construction |
Country Status (1)
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360366A (en) * | 2018-01-23 | 2018-08-03 | 安徽省交通控股集团有限公司 | A kind of prefabricated pier, plate cross Crossing brace 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 |
| 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 |
| CN113026794A (en) * | 2019-12-24 | 2021-06-25 | 新疆金风科技股份有限公司 | Combined anchor plate, anchor bolt cage and tower foundation |
| CN113279323A (en) * | 2021-06-24 | 2021-08-20 | 中交第一公路勘察设计研究院有限公司 | Thin-wall open steel box-prestressed reinforced concrete combined capping beam and construction method |
| CN113832840A (en) * | 2021-08-26 | 2021-12-24 | 广州市公用事业规划设计院有限责任公司 | Double-wall hollow pier column top support connecting node and construction method |
| CN114592436A (en) * | 2022-03-18 | 2022-06-07 | 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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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360366A (en) * | 2018-01-23 | 2018-08-03 | 安徽省交通控股集团有限公司 | A kind of prefabricated pier, plate cross Crossing brace connection structure |
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| 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 |
| CN113026794A (en) * | 2019-12-24 | 2021-06-25 | 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 |
| CN113279323A (en) * | 2021-06-24 | 2021-08-20 | 中交第一公路勘察设计研究院有限公司 | Thin-wall open steel box-prestressed reinforced concrete combined capping beam and construction method |
| CN113832840A (en) * | 2021-08-26 | 2021-12-24 | 广州市公用事业规划设计院有限责任公司 | Double-wall hollow pier column top support connecting node and construction method |
| 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 |
| CN114592436A (en) * | 2022-03-18 | 2022-06-07 | 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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|---|---|
| CN105926427B (en) | 2018-06-19 |
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