CN206512588U - A kind of T-shaped steel tube confinement reinforced concrete bridge pier beam-column connection of assembled - Google Patents

A kind of T-shaped steel tube confinement reinforced concrete bridge pier beam-column connection of assembled Download PDF

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Publication number
CN206512588U
CN206512588U CN201621267918.3U CN201621267918U CN206512588U CN 206512588 U CN206512588 U CN 206512588U CN 201621267918 U CN201621267918 U CN 201621267918U CN 206512588 U CN206512588 U CN 206512588U
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CN
China
Prior art keywords
steel tube
tube confinement
steel
bent cap
confinement reinforced
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Application number
CN201621267918.3U
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Chinese (zh)
Inventor
刘界鹏
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重庆市中科大业建筑科技有限公司
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Priority to CN201621267918.3U priority Critical patent/CN206512588U/en
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Publication of CN206512588U publication Critical patent/CN206512588U/en

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Abstract

The utility model provides a kind of T-shaped steel tube confinement reinforced concrete bridge pier beam-column connection of assembled.Steel tube confinement reinforced column and bent cap are prefabricated in the factory, and pre-buried shaped steel shear key and grout sleeve in bent cap, and pier top groove and anchor bar are reserved in steel tube confinement reinforced column, and last scene splicing passes through connection of being in the milk.Prefabricated T-shaped steel tube confinement reinforced column in the utility model, which has, makes full use of the strength of materials, and fire-resistance anti-seismic performance is good, the advantages of good in economic efficiency.The utility model uses fabricated construction, have the advantages that speed of application is fast, construction quality is high, construction environment improvement, working condition improvement, energy resource saving, cost savings.The utility model reserves groove in post, shaped steel shear key is reserved in bent cap, and both are connected by way of injecting grouting material;The more existing assembled post of which can effectively improve the reliability being connected with bent cap connected mode and construct more convenient.

Description

A kind of T-shaped steel tube confinement reinforced concrete bridge pier beam-column connection of assembled
Technical field
The utility model belongs to a kind of bridge structure construction, the more particularly to T-shaped steel tube confinement reinforced concrete bridge of assembled Pier beam-column connection.
Background technology
Steel tube confined concrete fill concrete in thin-wall steel tube, steel pipe does not directly take on external loads, and main right Core concrete plays a kind of combined member of effect of contraction;It is used as a kind of new structure, steel tube confined concrete structure tool There is high capacity, antidetonation and fire resistance are superior, can make full use of the advantages such as the intensity of high-strength steel and concrete.When steel pipe about When beam reinforced column outside steel pipe is circle, steel pipe constrains uniform to core concrete, and steel pipe tension can be made full use of strong Degree, economic benefit is good;The time can be saved to a greater extent using assembled in the structure, obtained in building structure Using.The T-shaped steel tube confinement reinforced concrete bridge pier beam-column connection of assembled is proposed according to industrialized building feature.
Utility model content
In order to promote the T-shaped steel tube confinement reinforced column of assembled in bridge structure, its mechanical property advantage is played, Reduction quantity of material is to improve economic performance, and the utility model provides a kind of T-shaped steel tube confinement reinforced concrete bridge pier of assembled Beam-column connection.
To realize that the technical scheme that the utility model purpose is used is a kind of such, T-shaped steel tube confinement steel of assembled Reinforced concrete bridge pier beam-column connection, it is characterised in that:Including bent cap, steel tube confinement reinforced column, grout sleeve and Basis.
The bent cap is prefabrication.Pre-buried shaped steel shear key and some pier top anchor bars in the bent cap.Grouting Before sleeve is formed, the lower surface of bent cap reserves annular groove, and the upper end of the pier top anchor bar is located in bent cap, lower end is located at ring In shape groove.The upper end of the shaped steel shear key is located at the lower surface that bent cap is interior, bent cap is exposed in lower end.The steel shear key is located at institute State in the middle of annular groove.
The steel tube confinement reinforced column is prefabrication, is mixed by the constraint of steel pipe parcel, inside for reinforcing bar outside it Solidifying soil.The lower end of the steel tube confinement reinforced column is connected with basis.
The pre-buried some anchor bars of steel tube confinement reinforced column.Expose steel pipe in the upper end of these anchor bars Constrain the upper surface of reinforced column.Reserve pier top groove in the upper surface of the steel tube confinement reinforced column.The pier Top groove is located at the center in the region that anchor bar is surrounded.
Behind the top that the bent cap is lifted into steel tube confinement reinforced column, annular groove is stretched into the upper end of anchor bar In.The lower end of steel shear key is stretched into grout sleeve.
By the pipeline reserved on bent cap and/or steel tube confinement reinforced column, grouting material is poured into bent cap and steel pipe Constrain the gap between reinforced column.Pier top anchor bar and anchor bar in annular groove are effectively anchored, and are formed and filled Starch sleeve.
Further, reinforcing bar and pier top anchor bar use HRB335, HRB400 or RRB400 reinforcing bar in beam.
Further, shaped steel shear key is made of Q235 steel, Q345 steel, Q390 steel or Q420 steel.
Further, the circular port for pier top groove and grout sleeve grouting is left in steel tube confinement armored concrete column top Hole.
Further, shaped steel shear key is made of Q235 steel, Q345 steel, Q390 steel or Q420 steel.
It is of the present utility model have the technical effect that it is unquestionable:
1. round steel pipe constrains reinforced column, the strength of materials can be made full use of, fire-resistance anti-seismic performance is good, economic benefit OK etc..
2. fabricated construction, with speed of application is fast, construction quality is high, construction environment improves, working condition improves, resource The advantages of energy conservation, cost savings.
3. reserving groove in post, shaped steel shear key is reserved in bent cap, and incite somebody to action both by way of injecting grouting material It is connected;The more existing assembled post of which can effectively improve the reliability being connected with bent cap connected mode and construct more square Just.
Brief description of the drawings
The T-shaped steel tube confinement reinforced concrete bridge pier front view of Fig. 1 assembleds.
The T-shaped steel tube confinement reinforced concrete bridge pier top view of Fig. 2 assembleds.
The T-shaped steel tube confinement reinforced concrete bridge pier 1-1 profiles of Fig. 3 assembleds.
The T-shaped steel tube confinement reinforced concrete bridge pier 2-2 profiles of Fig. 4 assembleds.
The T-shaped steel tube confinement reinforced concrete bridge pier 3-3 profiles of Fig. 5 assembleds.
In figure:Bent cap 1, steel tube confinement reinforced column 2, shaped steel shear key 3, grout sleeve 4, grouting material 5, pier top are recessed Groove 6, concrete seven, reinforcing bar 8, pier top anchor bar 9, anchor bar 10 in beam.
Embodiment
With reference to embodiment, the utility model is described in further detail, but should not be construed the above-mentioned master of the utility model Topic scope is only limitted to following embodiments.It is common according to this area in the case where not departing from the above-mentioned technological thought of the utility model Technological know-how and customary means, make various replacements and change, all should be included in protection domain of the present utility model.
Referring to Fig. 1 and 2, a kind of T-shaped steel tube confinement reinforced concrete bridge pier beam-column connection of assembled, including bent cap 1, Steel tube confinement reinforced column 2, grout sleeve 4 and basis.
Referring to Fig. 3 and 4, the bent cap 1 is prefabrication.Pre-buried shaped steel shear key 3 and some pier tops in the bent cap 1 Anchor bar 9.Before the formation of grout sleeve 4, the lower surface of bent cap 1 reserves annular groove, and the upper end of the pier top anchor bar 9 is located at Bent cap 1 is interior, lower end is located in annular groove.The upper end of the shaped steel shear key 3 is located at the following table that bent cap 1 is interior, bent cap 1 is exposed in lower end Face.The steel shear key 3 is located in the middle of the annular groove.
Referring to Fig. 5, the steel tube confinement reinforced column 2 is prefabrication, by steel pipe parcel constraint, internal outside it For armored concrete.The lower end of the steel tube confinement reinforced column 2 is connected with basis.
The pre-buried some anchor bars 10 of steel tube confinement reinforced column 2.The upper end dew of these anchor bars 10 Go out the upper surface of steel tube confinement reinforced column 2.Reserve pier top groove in the upper surface of the steel tube confinement reinforced column 2 6.The pier top groove 6 is located at the center in the region that anchor bar 10 is surrounded.
The bent cap 1 is lifted into behind the top of steel tube confinement reinforced column 2, ring is stretched into the upper end of anchor bar 10 In shape groove.The lower end of steel shear key 3 is stretched into grout sleeve 4.
By the pipeline reserved on bent cap 1 and/or steel tube confinement reinforced column 2, grouting material 5 is poured into the He of bent cap 1 Gap between steel tube confinement reinforced column 2.Pier top anchor bar 9 and anchor bar 10 in annular groove is by effective anchor Gu, form grout sleeve 4.

Claims (5)

1. a kind of T-shaped steel tube confinement reinforced concrete bridge pier beam-column connection of assembled, it is characterised in that:Including bent cap (1), Steel tube confinement reinforced column (2), grout sleeve (4) and basis;
The bent cap (1) is prefabrication;Pre-buried shaped steel shear key (3) and some pier top anchor bars in the bent cap (1) (9);Before grout sleeve (4) formation, the lower surface of bent cap (1) reserves annular groove, and the upper end of the pier top anchor bar (9) is located at Bent cap (1) is interior, lower end is located in annular groove;The upper end of the shaped steel shear key (3) is located in bent cap (1), bent cap is exposed in lower end (1) lower surface;The steel shear key (3) is located in the middle of the annular groove;
The steel tube confinement reinforced column (2) is prefabrication, outside it by the constraint of steel pipe parcel, it is internal be reinforced concrete Soil;The lower end of the steel tube confinement reinforced column (2) is connected with basis;
The pre-buried some anchor bars (10) of steel tube confinement reinforced column (2);The upper end of these anchor bars (10) Expose the upper surface of steel tube confinement reinforced column (2);Reserve pier in the upper surface of the steel tube confinement reinforced column (2) Push up groove (6);The pier top groove (6) is located at the center in the region that anchor bar (10) is surrounded;
The bent cap (1) is lifted into behind the top of steel tube confinement reinforced column (2), the upper end of anchor bar (10) is stretched into In annular groove;The lower end of steel shear key (3) is stretched into grout sleeve (4);
By the pipeline reserved on bent cap (1) and/or steel tube confinement reinforced column (2), grouting material (5) is poured into bent cap (1) gap between steel tube confinement reinforced column (2);Pier top anchor bar (9) and anchor bar in annular groove (10) effectively anchored, form grout sleeve (4).
2. the T-shaped steel tube confinement reinforced concrete bridge pier beam-column connection of a kind of assembled according to claim 1, it is special Levy and be:Reinforcing bar (8) and pier top anchor bar (9) use HRB335, HRB400 or RRB400 reinforcing bar in beam.
3. the T-shaped steel tube confinement reinforced concrete bridge pier beam-column connection of a kind of assembled according to claim 1, it is special Levy and be:Shaped steel shear key (3) is made of Q235 steel, Q345 steel, Q390 steel or Q420 steel.
4. the T-shaped steel tube confinement reinforced concrete bridge pier beam-column connection of a kind of assembled according to claim 1, it is special Levy and be:The circle for pier top groove (6) and grout sleeve (4) grouting is left at the top of steel tube confinement reinforced column (2) Hole.
5. the T-shaped steel tube confinement reinforced concrete bridge pier beam-column connection of a kind of assembled according to claim 1, it is special Levy and be:Shaped steel shear key (3) is made of Q235 steel, Q345 steel, Q390 steel or Q420 steel.
CN201621267918.3U 2016-11-23 2016-11-23 A kind of T-shaped steel tube confinement reinforced concrete bridge pier beam-column connection of assembled CN206512588U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621267918.3U CN206512588U (en) 2016-11-23 2016-11-23 A kind of T-shaped steel tube confinement reinforced concrete bridge pier beam-column connection of assembled

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621267918.3U CN206512588U (en) 2016-11-23 2016-11-23 A kind of T-shaped steel tube confinement reinforced concrete bridge pier beam-column connection of assembled

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Publication Number Publication Date
CN206512588U true CN206512588U (en) 2017-09-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107905092A (en) * 2017-11-02 2018-04-13 东南大学 A kind of prefabricated assembled bridge pier and its assembling and construction method
CN110067184A (en) * 2019-05-14 2019-07-30 华南理工大学 A kind of pin device constraining curved beam bridges horizontal displacement
CN110485264A (en) * 2019-08-21 2019-11-22 保利长大工程有限公司 A kind of center pier great cantilever bent cap and its construction method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107905092A (en) * 2017-11-02 2018-04-13 东南大学 A kind of prefabricated assembled bridge pier and its assembling and construction method
CN110067184A (en) * 2019-05-14 2019-07-30 华南理工大学 A kind of pin device constraining curved beam bridges horizontal displacement
CN110485264A (en) * 2019-08-21 2019-11-22 保利长大工程有限公司 A kind of center pier great cantilever bent cap and its construction method
CN110485264B (en) * 2019-08-21 2020-06-02 保利长大工程有限公司 Construction method of central pier large cantilever cover beam
US10914043B1 (en) 2019-08-21 2021-02-09 Poly Changda Engineering Co., Ltd. Construction method for a cantilever beam on a central pier

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