CN208379425U - A kind of assembly concrete pier column structure - Google Patents

A kind of assembly concrete pier column structure Download PDF

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Publication number
CN208379425U
CN208379425U CN201820579747.0U CN201820579747U CN208379425U CN 208379425 U CN208379425 U CN 208379425U CN 201820579747 U CN201820579747 U CN 201820579747U CN 208379425 U CN208379425 U CN 208379425U
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pier
segment
precast
steel bushing
columns
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万永恒
胡峰强
伍坤
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Nanchang Univ
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Nanchang Univ
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Abstract

A kind of assembly concrete pier column structure, the Precast Pier Columns segment are divided into three kinds, the first Precast Pier Columns segment lower end center is equipped with cylinder shape groove;Second of Precast Pier Columns segments upper side center is equipped with cylindrical tenon, and lower end center is equipped with cylinder shape groove;The third Precast Pier Columns segments upper side center is equipped with cylindrical tenon.The steel bushing connecting structure is arranged at second and the third Precast Pier Columns segments upper side outer wall and upper section pier stud segment junction;Upper section pier stud segment is connected with lower section pier stud segment by steel bushing connecting structure, and the steel bushing junction grouting is closely knit between section pier stud segment above and below, realizes being reliably connected for upper and lower pier stud segment.The utility model saves pier stud segment above and below and is all made of prefabricated, is attached by intermediate steel bushing, stability under loading is reliable, easy to operate simultaneously, convenient and quick construction effectively shortens the construction period, it accelerates construction progress, and construction quality is easily controllable, has a good application prospect.

Description

A kind of assembly concrete pier column structure
Technical field
The utility model relates to technical field of bridge engineering.
Background technique
With urban modernization and rapid economic development, urban construction is also required to the step immediately following the epoch.Bridge construction is existing Larger adverse effect often is generated to surrounding enviroment when pouring Bridge Pier Construction, the environmental pollution including generating noise and dust etc., It is not inconsistent with the low-carbon of city promotion, environmental protection development.Therefore, in the development of the following bridge construction, packaged type bridges will be increasingly It is taken seriously.
Currently, prefabricated assembled bridge pier is mainly used in bridge spanning the sea and urban viaduct, in order to facilitate precast pier Installation and transport, it usually needs bridge pier pier shaft is divided into several segments, most widely used present pier shaft segment connection is to fill Slurry sleeve connection is connected with tensioned prestressing bar.But the operation of both connection constructions is all complex cumbersome, and difficulty of construction is high, and And bridge cost can be improved.
Given this many reasons, design a kind of simple and safe novel fabricated pier column connection method and become and need The technical issues of solution.
Utility model content
The purpose of this utility model is to provide for a kind of assembled steel reinforced concrete pier pillar construction, designs meeting In the case where it is required that, it is contemplated that the difficulty of construction and construction cost of structure simplify construction technology, improve engineering efficiency.
To achieve the goals above, a kind of the technical solution adopted in the utility model are as follows: assembled steel reinforced concrete pier Pillar construction, pier stud and steel bushing connecting structure including multiple prefabricated subsections.The Precast Pier Columns segment is divided into three types Type, the first Precast Pier Columns segment lower end center are equipped with cylinder shape groove;Second of Precast Pier Columns segments upper side center is equipped with circle Cylindricality tenon, lower end center are equipped with cylinder shape groove;The third Precast Pier Columns segments upper side center is equipped with cylindrical tenon.It is described Steel bushing connecting structure is arranged at second and the third Precast Pier Columns segments upper side outer wall and upper section pier stud segment junction;It is logical It crosses the steel bushing connecting structure and connects upper section pier stud segment with lower section pier stud segment, and between section pier stud segment above and below The steel bushing junction grouting is closely knit, realizes being reliably connected for upper and lower pier stud segment.
Pier shaft described in the utility model can be circular cross-section, be also possible to other kinds of section.As regular polygon, Ellipse etc..
Preferably, it is longitudinal to be respectively arranged reinforcement for the Precast Pier Columns segment cylinder shape groove part and circular cylindrical projection tenon portion Reinforcing bar.
Preferably, in order to make steel bushing carry out good connection.The upper and lower Precast Pier Columns segment cylinder shape groove end with Steel bushing coupling part pier stud diameter is slightly less than pier stud diameter.
Preferably, the steel bushing connecting structure setting is connect in Precast Pier Columns segments upper side outer wall with upper section pier stud segment Place, steel bushing inner wall are equipped with WELDING STUDS, and WELDING STUDS is arranged in plum blossom-shaped;Steel bushing is stainless steel making, is arranged using multiple-anticorrosion It applies, and brushes one layer on its surface and painted with similar in concrete color.
Preferably, multiple injected holes are set in its surrounding of steel cylinder connecting structure lower end, weld grouting nozzle, and on it The slurry outlet of end setting respective numbers, injected hole and slurry outlet interlaced arrangement.
Preferably, the upper and lower Precast Pier Columns segment is at cylinder shape groove end and steel bushing coupling part, and pier stud is to reinforcing bar Staggeredly overlap.
Preferably, the steel bushing connecting structure grouting material uses High Strength Non-shrinking Filling Material.
Preferably, the quantity of second of Precast Pier Columns segment can be increase accordingly according to the height of pier column.
Preferably, at upper and lower pier shaft segment contacts face, dabbing processing is carried out, and smear one layer in cylindrical tenon top surface Polymer cement mortar.
The assembled steel reinforced concrete bridge pier stud component of the utility model, special connecting structure method have following Advantage.
1, using assembled pier stud component, transport is easy for construction, quick, shortens the construction period, construction quality is easily controllable.
2 steel bushing connecting structure described in the utility model play booster action, construction to the weakness that pier stud component connects Simply, stress is safe and reliable, while can also be positioned when component is installed.
3, the utility model is with the difference of main assembled bridge pier connection method at present, do not need stretch-draw prestressing force and Sleeve connection grouting is carried out one by one to reinforcing bar, direct once grouting in place, greatly reduces construction complexity, improves and apply Work speed.
Detailed description of the invention
Fig. 1 is the Precast Pier Columns structural schematic diagram of the utility model embodiment.
Fig. 2 is that the Precast Pier Columns of the utility model embodiment indulge muscle structural map.
Fig. 3 is the Precast Pier Columns A-A sectional view of the utility model embodiment.
Fig. 4 is the pier column B-B sectional view of the utility model embodiment.
Fig. 5 is the pier column C-C sectional view of the utility model embodiment.
Fig. 6 is the big figure of grouting nozzle setting-out of the utility model embodiment.
Wherein: the first the Precast Pier Columns segment 1-, second of the Precast Pier Columns segment 2-, the third Precast Pier Columns segment 3-, 4- cylinder shape groove, 5- cylinder tenon, 6- steel bushing, 7- WELDING STUDS, 8- longitudinal reinforcement, 9- injected hole, 10- slurry outlet, 11- Grouting nozzle.
In order to keep attached drawing more concise, stirrup is not drawn into figure.
Specific embodiment
In order to keep the technical solution of the utility model more clear, the utility model is implemented below in conjunction with attached drawing Mode is described in further detail.
It is as shown in the picture that (pier shaft is for the assembled steel reinforced concrete pier pillar construction of the utility model one embodiment Circular cross-section), pier stud and steel bushing connecting structure including multiple prefabricated subsections.The Precast Pier Columns segment is divided into three kinds, The first 1 lower end center of Precast Pier Columns segment is equipped with cylinder shape groove;Second of 2 upper end center of Precast Pier Columns segment is equipped with cylinder Shape tenon 5, lower end center are equipped with cylinder shape groove;The third 3 upper end center of Precast Pier Columns segment is equipped with cylindrical tenon.It is described The connection of 2 upper end outer wall and the first Precast Pier Columns segment 1 of second of Precast Pier Columns segment is arranged in 6 connecting structure of steel bushing Place and the third 3 upper end outer wall of Precast Pier Columns segment and the junction with second of Precast Pier Columns segment 2;Pass through the steel 6 connecting structure of sleeve connects upper section pier stud segment with lower section pier stud segment, and the steel bushing between section pier stud segment above and below The grouting of 6 junctions of cylinder is closely knit, realizes being reliably connected for upper and lower pier stud segment.
The Precast Pier Columns segment cylinder shape groove part and circular cylindrical projection tenon portion, which are respectively arranged, reinforces longitudinal reinforcement 8.
In order to make steel bushing 6 carry out good connection.The upper and lower Precast Pier Columns segment is in cylinder shape groove end and steel bushing Coupling part pier stud diameter reduces.
6 connecting structure of steel bushing is arranged in Precast Pier Columns segments upper side outer wall and upper section pier stud segment junction, steel Sleeve lining is equipped with WELDING STUDS 7, and WELDING STUDS 7 is arranged in plum blossom-shaped;Steel bushing 6 is stainless steel making, using multiple-anticorrosion measure, And one layer is brushed on its surface and is painted with similar in concrete color.
Multiple injected holes 9 are arranged in described 6 its surrounding of connecting structure lower end of steel cylinder, weld grouting nozzle 11, and end is set on it Set the slurry outlet 10 of respective numbers, injected hole 11 and 10 interlaced arrangement of slurry outlet.
It is staggeredly taken in cylinder shape groove end and steel bushing coupling part, pier stud to reinforcing bar 8 the upper and lower Precast Pier Columns segment It connects.
The 6 connecting structure grouting material of steel bushing uses High Strength Non-shrinking Filling Material.
At upper and lower pier shaft segment contacts face, dabbing processing is carried out, and smear one layer of polymeric water in cylindrical tenon top surface Cement mortar.
The Specific construction step of the present embodiment.
(1) prefabricated pier shaft: the binding of steel reinforcement cage is carried out in precasting yard, will be carried out after binding and inner wall is welded with grouting nozzle Steel bushing welded with steel reinforcement cage, installation template, casting concrete, pier shaft precast segment is met well its transport construction institute After the intensity needed, transport to construction site.
(2) pier shaft splices: after the completion of lower section pier construction, saving pier shaft in lifting, the lower section pier stud segment circle lifted Cylindricality tenon is convenient for pier shaft positioning.Before formal splicing, contact surface need to be spliced to upper and lower pier stud segment and carries out dabbing processing, and One layer of polymeric cement mortar is smeared in cylindrical tenon top surface.
(3) pier shaft segment junction is in the milk: after pier shaft splicing, being started slip casting and is arrived from steel cylinder connecting structure injected hole slip casting Slurry outlet is held after pressure stablizes pulp and completes slip casting.
Described above is only to illustrate the technical ideas and features of the present invention, deepens the understanding to the utility model.It is right For those skilled in the art, under the premise of the utility model technical concept, many variations are carried out, modification belongs to In the protection scope of the utility model.

Claims (7)

1. a kind of assembly concrete pier column structure, it is characterized in that connecting structure with steel bushing including multiple Precast Pier Columns segments It makes;The Precast Pier Columns segment is divided into three types, the first Precast Pier Columns segment lower end center is equipped with cylinder shape groove;The Two kinds of Precast Pier Columns segments upper side centers are equipped with cylindrical tenon, and lower end center is equipped with cylinder shape groove;The third Precast Pier Columns Segments upper side center is equipped with cylindrical tenon;The steel bushing connecting structure is arranged in second and the third Precast Pier Columns segment Upper end outer wall and upper section Precast Pier Columns segment junction;By the steel bushing connecting structure by upper section Precast Pier Columns segment and under The connection of Precast Pier Columns segment is saved, and the steel bushing junction grouting is closely knit between section Precast Pier Columns segment above and below, realizes Upper and lower section pier stud segment is reliably connected.
2. a kind of assembly concrete pier column structure according to claim 1, it is characterized in that the Precast Pier Columns section Section cylinder shape groove part and circular cylindrical projection tenon portion are respectively arranged reinforcement longitudinal reinforcement.
3. a kind of assembly concrete pier column structure according to claim 1, it is characterized in that it is described save above and below it is prefabricated Pier stud segment is less than pier stud diameter at cylinder shape groove end and steel bushing coupling part pier stud diameter.
4. a kind of assembly concrete pier column structure according to claim 1, it is characterized in that the steel bushing connects In Precast Pier Columns segments upper side outer wall and upper section pier stud segment junction, steel bushing inner wall is equipped with WELDING STUDS, shearing for construction setting Nail is arranged in plum blossom-shaped.
5. a kind of assembly concrete pier column structure according to claim 1, it is characterized in that connecting in the steel bushing It connects construction its surrounding of lower end and multiple injected holes is set, weld grouting nozzle, and the slurry outlet of the respective numbers of end setting on it, slip casting Hole and slurry outlet interlaced arrangement.
6. a kind of assembly concrete pier column structure according to claim 1, it is characterized in that it is described save above and below it is prefabricated Pier stud segment reinforcing bar between cylinder shape groove end and steel bushing coupling part, pier stud staggeredly overlaps.
7. a kind of assembly concrete pier column structure according to claim 1, it is characterized in that the pier stud is positive Polygon or ellipse.
CN201820579747.0U 2018-04-23 2018-04-23 A kind of assembly concrete pier column structure Active CN208379425U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820579747.0U CN208379425U (en) 2018-04-23 2018-04-23 A kind of assembly concrete pier column structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820579747.0U CN208379425U (en) 2018-04-23 2018-04-23 A kind of assembly concrete pier column structure

Publications (1)

Publication Number Publication Date
CN208379425U true CN208379425U (en) 2019-01-15

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110284421A (en) * 2019-07-10 2019-09-27 上海市浦东新区建设(集团)有限公司 A kind of column and bent cap splicing structure and its construction method
CN110820546A (en) * 2019-11-21 2020-02-21 深圳大学 Concrete column high anti-seismic performance assembled connection structure
CN110863424A (en) * 2019-12-04 2020-03-06 长安大学 Vertical tenon and horizontal anchor splicing structure of pier and capping beam and construction method
CN110886230A (en) * 2019-12-13 2020-03-17 安徽文天信息科技有限公司 A high strength rapid Assembly type bridge strutting arrangement for construction

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110284421A (en) * 2019-07-10 2019-09-27 上海市浦东新区建设(集团)有限公司 A kind of column and bent cap splicing structure and its construction method
CN110820546A (en) * 2019-11-21 2020-02-21 深圳大学 Concrete column high anti-seismic performance assembled connection structure
CN110863424A (en) * 2019-12-04 2020-03-06 长安大学 Vertical tenon and horizontal anchor splicing structure of pier and capping beam and construction method
CN110886230A (en) * 2019-12-13 2020-03-17 安徽文天信息科技有限公司 A high strength rapid Assembly type bridge strutting arrangement for construction

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