CN109868726A - A kind of prefabricated assembled cylindricality bridge pier and its construction method - Google Patents

A kind of prefabricated assembled cylindricality bridge pier and its construction method Download PDF

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Publication number
CN109868726A
CN109868726A CN201910257615.5A CN201910257615A CN109868726A CN 109868726 A CN109868726 A CN 109868726A CN 201910257615 A CN201910257615 A CN 201910257615A CN 109868726 A CN109868726 A CN 109868726A
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CN
China
Prior art keywords
prefabricated
pier
precast pier
precast
anchor ear
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Pending
Application number
CN201910257615.5A
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Chinese (zh)
Inventor
李斐然
郭晓光
雷刚
莫杰
张宇
王会丽
褚慧君
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Henan Provincial Communication Planning and Design Institute Co Ltd
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Henan Provincial Communication Planning and Design Institute Co Ltd
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Application filed by Henan Provincial Communication Planning and Design Institute Co Ltd filed Critical Henan Provincial Communication Planning and Design Institute Co Ltd
Priority to CN201910257615.5A priority Critical patent/CN109868726A/en
Publication of CN109868726A publication Critical patent/CN109868726A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a kind of prefabricated assembled cylindricality bridge piers, including pile foundation and the Precast Pier Columns being mounted in pile foundation, are equipped with anchor ear platform at the top of Precast Pier Columns, equalization setting has temporary support on anchor ear platform.Anchor ear platform is made up of two panels arc panel the sleeve that the pretightning force bolt worn on connection side is formed by connecting, and is vertically arranged with vertical ribbed stiffener in the middle part of two panels arc panel lateral wall;Horizontal extension has upper plate and lower plate at the upper and lower opening's edge of two panels arc panel, and temporary support is placed in upper plate surface.Connector is embedded in Precast Pier Columns corresponding with the prefabricated binder position, the prefabricated binder both ends are linked together with the connector in the Precast Pier Columns by welding or bolt.The invention also discloses the construction methods of prefabricated assembled cylindricality bridge pier.Bridge pier structure of the present invention is ingenious, and transport, lifting are convenient, and working procedure is simple and energy conservation and environmental protection, has broad application prospects in Urban Bridge Construction.

Description

A kind of prefabricated assembled cylindricality bridge pier and its construction method
Technical field
The present invention relates to road and bridge engineering constructions, and more particularly, to a kind of prefabricated assembled cylindricality bridge pier, the present invention is also It is related to the construction method of the bridge pier.
Background technique
As China's road and bridge construction scale of projects is increasing, environmental consciousness is gradually increased, prefabrication and assembly construction bridge The application of girder construction is also more and more extensive.Bridge pier used in existing highway bridge can be divided into solid pier, hollow pier, pillar according to construction Pier, Frame Pier etc..For prefabrication and assembly construction bridge, cylindricality bridge pier is relatively conventional, and prefabrication and installation are more easy.
Common cylindricality bridge pier (abbreviation stub) is divided into Single column pier and multiple rows of stub.Single column pier structure generally comprise pier shaft and Pier cap.When larger for superstructure support spacing, in the case where pier cap space is inadequate, top is provided with bent cap, and using pre- System or cast-in-place mode are constructed.
There are the following problems for existing cylindricality pier:
1) for the bridge pier of cast in situs, setting support and template are needed in the construction process, construction space demand is big, shadow Traffic is rung, and cast in situs has greater environmental impacts, and can bring environmental issue;It needs to conserve after concreting simultaneously certain Period just can be carried out next staged construction, the construction period time is long.
2) pier cap is arranged in cylindricality pier top portion, and cast-in-situ template or prefabricated subsection template-setup are complicated, to construction bring it is many not Just, while after the completion of the construction of top need to remove temporary support, process is cumbersome, increases difficulty of construction and increases construction period It is long.
3) in the prefabricated situation of bridge pier, pier cap and binder carry out prefabricated as a whole.When there is multiple bridge piers, the prefabricated section in top Section volume and weight is larger, makes troubles to transport.Simultaneously in hoisting process, it is desirable that multiple pier stud position docking are accurate, essence Spend more demanding, Construction control complexity.
Summary of the invention
The purpose of the present invention is to provide a kind of structure is simple, transport, lifting are convenient, and working procedure is simple, energy conservation and environmental protection The advantages that, it has broad application prospects in Urban Bridge Construction.
To achieve the above object, the present invention can take following technical proposals:
Prefabricated assembled cylindricality bridge pier of the present invention, it is described prefabricated including pile foundation and the Precast Pier Columns being mounted in pile foundation Anchor ear platform is installed, equalization setting has temporary support on the anchor ear platform at the top of pier stud.
The sleeve that the anchor ear platform is formed by connecting by two panels arc panel by the pretightning force bolt worn on connection side It constitutes, is vertically arranged with vertical ribbed stiffener in the middle part of two panels arc panel lateral wall;At the upper and lower opening's edge of the two panels arc panel Horizontal extension has upper plate and lower plate, and the temporary support is placed in the upper plate surface.
It is horizontally disposed in the middle part of the outer wall of the two panels arc panel to have transverse stiffener.
The cylindricality bridge pier has multiple, and adjacent two Precast Pier Columns top is linked together by prefabricated binder.
Connector, the prefabricated binder both ends and institute are embedded in Precast Pier Columns corresponding with the prefabricated binder position The connector stated in Precast Pier Columns is linked together by welding or bolt.
The construction method of the prefabricated assembled cylindricality bridge pier of the present invention includes the following steps:
The first step, it is in precasting yard that Precast Pier Columns and the production molding of prefabricated binder are spare by design requirement;
Precast Pier Columns and prefabricated binder are transported to construction site by second step;Precast Pier Columns are lifted into pile foundation by construction site setting-out On be secured in position;
Prefabricated binder and two adjacent Precast Pier Columns are attached by third step, and pier shaft is made to form overall structure;
4th step installs anchor ear platform at the top of Precast Pier Columns, and places temporary support;
5th step, girder is placed on temporary support and forms system of simple supporting, then carries out Superstructure Construction;
6th step, places permanent support, after converting system, removes anchor ear platform and temporary support, completes the construction of precast pier.
Bridge pier structure of the present invention is ingenious, and transport, lifting are convenient, and working procedure is simple and energy conservation and environmental protection, builds in Urban Bridge It has broad application prospects in if, advantage is mainly reflected in:
1, it compared with traditional cylindricality bridge pier, eliminates and pier cap is set in cylindricality pier top, without setting up complicated template, simplify work Sequence, speed of application is fast, small to Coherent traffic noise under bridge, and influence time is short;
2, cylindricality pier and prefabricated binder are split type structure, and building is small, and transporting and hoisting is convenient, are installed simple and quick;
3, built-in connection is distinguished on cylindricality pier and prefabricated binder, both can guarantee the accuracy of connection, and had been also ensured structure Globality;
4, due to eliminating pier cap, therefore the setting of anchor ear platform meets the placement demand of temporary support, works as Superstructure Construction Recycling, economy with higher can also be removed after the completion.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the enlarged view of anchor ear platform in Fig. 1.
Fig. 3 a-- Fig. 3 f is the construction procedure schematic diagram of prefabricated assembled cylindricality bridge pier.
Specific embodiment
As shown in Figs. 1-2, prefabricated assembled cylindricality bridge pier of the present invention including pile foundation 1 and is mounted in pile foundation 1 Precast Pier Columns 2, the top of the Precast Pier Columns 2 are equipped with anchor ear platform 3, and equalization setting has temporary support 4 on anchor ear platform.
Anchor ear platform 3 of the invention is by left arc panel 3-1 and right arc panel 3-2 by connecting the pretightning force worn on side The sleeve that bolt 3-3 is formed by connecting is constituted, and is vertically arranged with vertical ribbed stiffener 3- respectively at the middle part of left and right arc panel lateral wall 4;Horizontal extension has upper plate 3-5 and lower plate 3-6 at the upper and lower opening's edge of left and right arc panel, and temporary support 4 is placed in upper plate The surface of 3-5.Being horizontally disposed in the middle part of the outer wall of left and right arc panel has transverse stiffener 3-7.
When cylindricality bridge pier has multiple (being shown as three in Fig. 1), then the top of adjacent two Precast Pier Columns 2 passes through prefabricated binder Concrete component can be used in 5(, and steel construction can also be used) it is linked together.It is corresponding with prefabricated 5 position of binder when practice of construction Connector 2-1(is embedded in Precast Pier Columns 2 can be used shear connector), prefabricated 5 both ends of binder (when necessary can also built-in connection) It is linked together with the connector 2-1 in Precast Pier Columns by welding or bolt.
The construction method of prefabricated assembled cylindricality bridge pier of the invention the following steps are included:
The first step, first by design requirement in precasting yard by the Precast Pier Columns 2(tri- comprising prefabricated connector 2-1) and prefabricated system Beam 5(two, both ends are respectively provided with built-in fitting) production molding, as shown in Figure 3a;
Precast Pier Columns 2 and prefabricated binder 5 are transported to construction site by second step;Precast Pier Columns 2 are lifted by construction site setting-out Pile foundation 1 is to be secured in position, as shown in Figure 3b;
Third step carries out the built-in fitting at prefabricated 5 both ends of binder with the connector 2-1 in two adjacent Precast Pier Columns 2 respectively Welding makes pier shaft form overall structure, as shown in Figure 3c;
4th step, at the top of Precast Pier Columns 2, installation anchor ear platform 3(anchor ear platform 3 is also to be prefabricated in the factory, in bridge pier shape After integral, then it is mounted on top), and temporary support 4 is placed, as shown in Figure 3d;
Girder 6 is placed on temporary support 4 and forms system of simple supporting by the 5th step, then carries out Superstructure Construction, such as Fig. 3 e institute Show;
6th step, places permanent support 7, after converting system, removes anchor ear platform 3 and temporary support 4, as illustrated in figure 3f, completes The construction of precast pier.
It is to be noted that
The sleeve of anchor ear platform 3 will be designed and produced according to the shape of pier stud, and height can be adjusted according to pier stud contact area It is whole;The size of upper plate 3-5 should meet the needs of placing temporary support 4.

Claims (6)

1. a kind of prefabricated assembled cylindricality bridge pier, including pile foundation and the Precast Pier Columns being mounted in pile foundation, it is characterised in that: described Anchor ear platform is installed, equalization setting has temporary support on the anchor ear platform at the top of Precast Pier Columns.
2. prefabricated assembled cylindricality bridge pier according to claim 1, it is characterised in that: the anchor ear platform is by two panels arc Plate is made up of the sleeve that the pretightning force bolt worn on connection side is formed by connecting, vertical at the middle part of two panels arc panel lateral wall To being provided with vertical ribbed stiffener;Horizontal extension has upper plate and lower plate at the upper and lower opening's edge of the two panels arc panel, described to face When support be placed in the upper plate surface.
3. prefabricated assembled cylindricality bridge pier according to claim 3, it is characterised in that: in the outer wall of the two panels arc panel Portion is horizontally disposed transverse stiffener.
4. prefabricated assembled cylindricality bridge pier according to claim 1, it is characterised in that: the cylindricality bridge pier has multiple, phase Adjacent two Precast Pier Columns tops are linked together by prefabricated binder.
5. prefabricated assembled cylindricality bridge pier according to claim 4, it is characterised in that: opposite with the prefabricated binder position Be embedded with connector in the Precast Pier Columns answered, the connector on the prefabricated binder both ends and the Precast Pier Columns by welding or Bolt is linked together.
6. a kind of construction method of prefabricated assembled cylindricality bridge pier, it is characterised in that: include the following steps:
The first step, it is in precasting yard that Precast Pier Columns and the production molding of prefabricated binder are spare by design requirement;
Precast Pier Columns and prefabricated binder are transported to construction site by second step;Precast Pier Columns are lifted into pile foundation by construction site setting-out On be secured in position;
Prefabricated binder and two adjacent Precast Pier Columns are attached by third step, and pier shaft is made to form overall structure;
4th step installs anchor ear platform at the top of Precast Pier Columns, and places temporary support;
5th step, girder is placed on temporary support and forms system of simple supporting, then carries out Superstructure Construction;
6th step, places permanent support, after converting system, removes anchor ear platform and temporary support, completes the construction of precast pier.
CN201910257615.5A 2019-04-01 2019-04-01 A kind of prefabricated assembled cylindricality bridge pier and its construction method Pending CN109868726A (en)

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CN201910257615.5A CN109868726A (en) 2019-04-01 2019-04-01 A kind of prefabricated assembled cylindricality bridge pier and its construction method

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Application Number Priority Date Filing Date Title
CN201910257615.5A CN109868726A (en) 2019-04-01 2019-04-01 A kind of prefabricated assembled cylindricality bridge pier and its construction method

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CN109868726A true CN109868726A (en) 2019-06-11

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110700083A (en) * 2019-10-14 2020-01-17 中铁四局集团第二工程有限公司 Installation measurement control method for prefabricated bridge pier stud
CN113668370A (en) * 2021-09-15 2021-11-19 中建三局第一建设工程有限责任公司 Prefabricated pier and construction method thereof
CN113981822A (en) * 2021-09-27 2022-01-28 中交一公局第七工程有限公司 Pier column hoop convenient to disassemble for moulding of bent cap
CN114016395A (en) * 2021-11-01 2022-02-08 安徽省交通规划设计研究总院股份有限公司 Rapid building system and construction method for bridge substructure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2398319Y (en) * 1999-11-03 2000-09-27 王建民 Bridge temporary supporting euqipment special for bridging
KR20120049201A (en) * 2012-04-03 2012-05-16 원대연 Incremental launching method for the prestressed composite truss girder and its temporary support system
CN105442460A (en) * 2015-11-17 2016-03-30 上海市政工程设计研究总院(集团)有限公司 Anti-overturning strengthening method for single-column pier bridge
CN205604075U (en) * 2016-01-25 2016-09-28 中交二公局第一工程有限公司 Mounting structure that bridge mound kicking block adoption crane barge erect
CN106120559A (en) * 2016-06-14 2016-11-16 江苏燕宁建设工程有限公司 A kind of bridge limited bracket construction method and bridge

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2398319Y (en) * 1999-11-03 2000-09-27 王建民 Bridge temporary supporting euqipment special for bridging
KR20120049201A (en) * 2012-04-03 2012-05-16 원대연 Incremental launching method for the prestressed composite truss girder and its temporary support system
CN105442460A (en) * 2015-11-17 2016-03-30 上海市政工程设计研究总院(集团)有限公司 Anti-overturning strengthening method for single-column pier bridge
CN205604075U (en) * 2016-01-25 2016-09-28 中交二公局第一工程有限公司 Mounting structure that bridge mound kicking block adoption crane barge erect
CN106120559A (en) * 2016-06-14 2016-11-16 江苏燕宁建设工程有限公司 A kind of bridge limited bracket construction method and bridge

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110700083A (en) * 2019-10-14 2020-01-17 中铁四局集团第二工程有限公司 Installation measurement control method for prefabricated bridge pier stud
CN113668370A (en) * 2021-09-15 2021-11-19 中建三局第一建设工程有限责任公司 Prefabricated pier and construction method thereof
CN113981822A (en) * 2021-09-27 2022-01-28 中交一公局第七工程有限公司 Pier column hoop convenient to disassemble for moulding of bent cap
CN113981822B (en) * 2021-09-27 2023-10-24 中交一公局第七工程有限公司 Pier stud hoop for capping beam molding convenient to dismantle
CN114016395A (en) * 2021-11-01 2022-02-08 安徽省交通规划设计研究总院股份有限公司 Rapid building system and construction method for bridge substructure

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