CN108396640A - 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
CN108396640A
CN108396640A CN201810365672.0A CN201810365672A CN108396640A CN 108396640 A CN108396640 A CN 108396640A CN 201810365672 A CN201810365672 A CN 201810365672A CN 108396640 A CN108396640 A CN 108396640A
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CN
China
Prior art keywords
pier
segment
pier stud
steel bushing
precast
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Pending
Application number
CN201810365672.0A
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Chinese (zh)
Inventor
胡峰强
万永恒
伍坤
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Nanchang University
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Nanchang University
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Filing date
Publication date
Application filed by Nanchang University filed Critical Nanchang University
Priority to CN201810365672.0A priority Critical patent/CN108396640A/en
Publication of CN108396640A publication Critical patent/CN108396640A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/02Piers; Abutments ; Protecting same against drifting ice

Abstract

A kind of assembled steel reinforced concrete pier pillar construction, 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 the 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 present invention saves pier stud segment and is all made of prefabricated above and below, 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 present invention relates to technical field of bridge engineering.
Background technology
With urban modernization and rapid economic development, urban construction is also required to the step immediately following the epoch.Bridge construction is existing The environmental pollution for larger adverse effect often being generated to surrounding enviroment when pouring Bridge Pier Construction, including generates 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 become there is an urgent need for The technical issues of solution.
Invention content
The purpose of the invention is to provide a kind of assembled steel reinforced concrete pier pillar construction, meeting design requirement In the case of, it is contemplated that the difficulty of construction and construction cost of structure simplify construction technology, improve engineering efficiency.
To achieve the goals above, the technical solution adopted by the present invention is:A kind of assembled steel reinforced concrete pier column Structure, including the pier stud of multiple prefabricated subsections and steel bushing connecting structure.The Precast Pier Columns segment is divided into three types, the A kind of 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 circular cylindrical projection Tenon, lower end center are 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;By described Steel bushing connecting structure connects upper section pier stud segment with lower section pier stud segment, and the steel between section pier stud segment above and below It is in the milk at sleeve connection closely knit, realizes being reliably connected for upper and lower pier stud segment.
Pier shaft of the present invention can be circular cross-section, can also be other kinds of section.Such as regular polygon, ellipse Shape 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 accordingly increase according to the height of pier column.
Preferably, at upper and lower pier shaft segment contacts face, dabbing processing is carried out, and one layer is smeared in cylindrical tenon top surface Polymer cement mortar.
The assembled steel reinforced concrete bridge pier stud component of the present invention, special connecting structure method have the following advantages.
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 of the present invention plays booster action, construction letter to the weakness that pier stud component connects Single, stress is safe and reliable, while can also be positioned when component is installed.
It is 3, of the invention that difference lies in do not need stretch-draw prestressing force and to steel with current main assembled bridge pier connection method Muscle carries out sleeve connection grouting one by one, and in place, construction complexity greatly reduces in direct once grouting, improves construction speed Degree.
Description of the drawings
Fig. 1 is the Precast Pier Columns structural schematic diagram of the embodiment of the present invention.
Fig. 2 is that the Precast Pier Columns of the embodiment of the present invention indulge muscle structural map.
Fig. 3 is the Precast Pier Columns A-A sectional views of the embodiment of the present invention.
Fig. 4 is the pier column B-B sectional views of the embodiment of the present invention.
Fig. 5 is the pier column C-C sectional views of the embodiment of the present invention.
Fig. 6 is the big figure of grouting nozzle setting-out of the embodiment of the present invention.
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 grooves, 5- cylinder tenons, 6- steel bushings, 7- WELDING STUDSs, 8- longitudinal reinforcements, 9- injected holes, 10- slurry outlets, 11- Grouting nozzle.
In order to keep attached drawing more concise, stirrup is not drawn into figure.
Specific implementation mode
In order to keep technical scheme of the present invention of greater clarity, below in conjunction with attached drawing to embodiment of the present invention make into One step is described in detail.
It is the assembled steel reinforced concrete pier pillar construction of one embodiment of the invention as shown in the picture(Pier shaft is circle Section), including the pier stud of multiple prefabricated subsections and steel bushing connecting structure.The Precast Pier Columns segment is divided into three kinds, and first 1 lower end center of kind Precast Pier Columns segment is equipped with cylinder shape groove;Second of 2 upper end center of Precast Pier Columns segment is equipped with circular cylindrical projection 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.The steel bushing 6 connecting structure of cylinder are arranged in the junction of second Precast Pier Columns segment 2 upper end outer wall and the first Precast Pier Columns segment 1, with And the third 3 upper end outer wall of Precast Pier Columns segment and junction with second of Precast Pier Columns segment 2;Pass through the steel bushing 6 Connecting structure connects upper section pier stud segment with lower section pier stud segment, and the steel bushing 6 connects between section pier stud segment above and below It is closely knit to connect place's grouting, 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 the 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 it brushes one layer on its surface and is painted with similar in concrete color.
Multiple injected holes 9 are arranged in 6 its surrounding of connecting structure lower end of the 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 to reinforcing bar 8 in cylinder shape groove end and steel bushing coupling part, pier stud the upper and lower Precast Pier Columns segment It connects.
6 connecting structure grouting material of the steel bushing uses High Strength Non-shrinking Filling Material.
At upper and lower pier shaft segment contacts face, dabbing processing is carried out, and one layer of polymeric water is smeared 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 form, 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, pier shaft is saved in lifting, the lower section pier stud segment circle lifted Cylindricality tenon positions convenient for pier shaft.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)It is in the milk pier shaft segment junction:After pier shaft splicing, starts slip casting and arrived from steel cylinder connecting structure injected hole slip casting Slurry outlet is held after pressure stablizes pulp and completes slip casting.
Technical concepts and features only to illustrate the invention described above deepen the understanding of the present invention.To this field For those of ordinary skill, under the premise of the technology of the present invention is conceived, many variations are carried out, modification belongs to protection of the invention In range.

Claims (8)

1. a kind of assembled steel reinforced concrete pier pillar construction, it is characterized in that including the pier stud and steel bushing of multiple prefabricated subsections Connecting structure;The Precast Pier Columns segment is divided into three types, the first Precast Pier Columns segment lower end center is equipped with cylinder 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 is pre- Pier stud segments upper side processed center is equipped with cylindrical tenon;The steel bushing connecting structure is arranged in second and the third prefabricated pier Column segments upper side outer wall and upper section pier stud segment junction;By the steel bushing connecting structure by upper section pier stud segment and lower section Pier stud segment connects, and the steel bushing junction grouting is closely knit between section pier stud segment above and below, realizes upper and lower pier stud section Section is reliably connected.
2. a kind of assembled steel reinforced concrete pier pillar construction according to claim 1, it is characterized in that the prefabricated pier Column segment cylinder shape groove part and circular cylindrical projection tenon portion are respectively arranged reinforcement longitudinal reinforcement.
3. a kind of assembled steel reinforced concrete pier pillar construction according to claim 1, it is characterized in that described upper and lower pre- Pier stud segment processed is less than pier stud diameter at cylinder shape groove end and steel bushing coupling part pier stud diameter.
4. a kind of assembled steel reinforced concrete pier pillar construction according to claim 1, it is characterized in that the steel bushing Connecting structure setting is equipped with WELDING STUDS in Precast Pier Columns segments upper side outer wall and upper section pier stud segment junction, steel bushing inner wall, WELDING STUDS is arranged in plum blossom-shaped.
5. a kind of assembled steel reinforced concrete pier pillar construction according to claim 1, it is characterized in that in the steel cylinder Multiple injected holes are arranged in its surrounding of connecting structure lower end, weld grouting nozzle, and the slurry outlet of end setting respective numbers on it, note Starch hole and slurry outlet interlaced arrangement.
6. a kind of assembled steel reinforced concrete pier pillar construction according to claim 1, it is characterized in that described upper and lower pre- Pier stud segment processed is staggeredly overlapped in cylinder shape groove end and steel bushing coupling part, pier stud to reinforcing bar.
7. a kind of assembled steel reinforced concrete pier pillar construction according to claim 1, it is characterized in that the steel bushing Connecting structure grouting material uses High Strength Non-shrinking Filling Material.
8. a kind of assembled steel reinforced concrete pier pillar construction according to claim 1, it is characterized in that the pier shaft For regular polygon or ellipse.
CN201810365672.0A 2018-04-23 2018-04-23 A kind of assembly concrete pier column structure Pending CN108396640A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810365672.0A CN108396640A (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
CN201810365672.0A CN108396640A (en) 2018-04-23 2018-04-23 A kind of assembly concrete pier column structure

Publications (1)

Publication Number Publication Date
CN108396640A true CN108396640A (en) 2018-08-14

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CN201810365672.0A Pending CN108396640A (en) 2018-04-23 2018-04-23 A kind of assembly concrete pier column structure

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109137721A (en) * 2018-09-17 2019-01-04 中国二十冶集团有限公司 A kind of prefabricated assembled suspension bridge bridge pier
CN109505233A (en) * 2018-11-05 2019-03-22 安徽省交通规划设计研究总院股份有限公司 A kind of assembled steel reinforced concrete combined hollow bridge pier
CN109577368A (en) * 2018-12-10 2019-04-05 中国建筑第七工程局有限公司 A kind of quick method for supporting of Urban Underground piping lane interior conduit
CN112030723A (en) * 2020-07-31 2020-12-04 中南大学 Bridge pier column and pier column joint structure thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109137721A (en) * 2018-09-17 2019-01-04 中国二十冶集团有限公司 A kind of prefabricated assembled suspension bridge bridge pier
CN109505233A (en) * 2018-11-05 2019-03-22 安徽省交通规划设计研究总院股份有限公司 A kind of assembled steel reinforced concrete combined hollow bridge pier
CN109577368A (en) * 2018-12-10 2019-04-05 中国建筑第七工程局有限公司 A kind of quick method for supporting of Urban Underground piping lane interior conduit
CN112030723A (en) * 2020-07-31 2020-12-04 中南大学 Bridge pier column and pier column joint structure thereof

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