CN106192730A - A kind of steel bushing precast splice type bridge pier of band WELDING STUDS - Google Patents

A kind of steel bushing precast splice type bridge pier of band WELDING STUDS Download PDF

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Publication number
CN106192730A
CN106192730A CN201610620647.3A CN201610620647A CN106192730A CN 106192730 A CN106192730 A CN 106192730A CN 201610620647 A CN201610620647 A CN 201610620647A CN 106192730 A CN106192730 A CN 106192730A
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CN
China
Prior art keywords
steel bushing
pier
welding studs
cushion cap
concrete
Prior art date
Application number
CN201610620647.3A
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Chinese (zh)
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CN106192730B (en
Inventor
葛继平
糜长荣
雷海博
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上海应用技术学院
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Priority to CN201610620647.3A priority Critical patent/CN106192730B/en
Publication of CN106192730A publication Critical patent/CN106192730A/en
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Publication of CN106192730B publication Critical patent/CN106192730B/en

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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
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

The invention discloses the steel bushing precast splice type bridge pier of a kind of band WELDING STUDS, including pier stud 1, cushion cap 2, steel bushing 3 with WELDING STUDS connects cushion cap 2 and pier stud 1, the WELDING STUDS 4 of the steel bushing part being connected with pier stud 1 is arranged on inside steel bushing, and the WELDING STUDS 5 of the steel bushing part being positioned at cushion cap is arranged on outside steel bushing.The pre-buried vertical muscle 6 of pier shaft inserts the steel bushing part in cushion cap 2, pours together with " L " shape reinforcing bar 8 of reserved one upset 7 in cushion cap 2.The present invention uses the steel bushing of band WELDING STUDS to connect pier stud and cushion cap, uses steel bushing parcel in areas of plasticity hinge in advance, and the earthquake that Surface layer's concrete peels off in a large number just can be avoided, and has only to a small amount of repair and can recover normal usage energy after shake.

Description

A kind of steel bushing precast splice type bridge pier of band WELDING STUDS
Technical field
The present invention relates to construction of road and bridge technical field, particularly relate to the steel bushing precast splice type bridge of a kind of band WELDING STUDS Pier.
Background technology
At present, the method that Urban Bridge substructure of China generally uses cast-in-place construction, this traditional construction technology Shortcoming is that construction period is longer, and The Surroundings in Cities and traffic all can be brought a lot of adverse influence.Along with the city of China is built If constantly advancing, energy-conservation, low-carbon (LC), environmental protection are increasingly becoming the theme of China's economic development.Urban Bridge structure design now faces One of significant challenge be exactly urbanite and government except require structure safe, durable in addition to, it is also desirable to by quickly executing Work, to reduce the interference to urban transportation, reduces each noise like in work progress.These requirements promote assembly pier Scientific research, also promotes the application in Urban Bridge Construction of the industrialization precast splice type bridge pier and popularization.
Precast assembly bridge pier is the inexorable trend of bridge industrialization development, and for substructure, research both domestic and external is the most several Year showed increased, but the reasonable assembly of precast assembly bridge pier still can not be well solved.
Under seismic loading, areas of plasticity hinge moment of flexure is big, and deformation is concentrated.The beneficially energy that is formed of plastic hinge consumes Dissipating, but areas of plasticity hinge is also to destroy the more serious region of ratio, when vibrations occur, the concrete on top layer peels off in a large number, needs after shake Special measure reparation to be taked.
Summary of the invention
The present invention provides the steel bushing precast splice type bridge pier of a kind of band WELDING STUDS, between Precast Pier Columns and cast-in-place cushion cap The steel bushing followed closely by band shears is connected, and can meet the requirement of bridge industrialization and rapid construction simultaneously.
Technical scheme is as follows:
The steel bushing precast splice type bridge pier of a kind of band WELDING STUDS, including cushion cap and pier stud, the steel bushing of a band WELDING STUDS Connecting described cushion cap and described pier stud, a part for described steel bushing is positioned at described cushion cap, another part and described pier stud phase Even, the WELDING STUDS of the steel bushing part being positioned at described cushion cap is arranged on outside described steel bushing, the steel bushing being connected with pier stud The WELDING STUDS of part is arranged on inside described steel bushing.
Preferably, being also embedded with the pre-buried vertical muscle of pier shaft in described pier stud, the pre-buried vertical muscle of described pier shaft inserts in described cushion cap Described steel bushing part in, and pour together with described cushion cap.
Preferably, being provided with " L " shape reinforcing bar in described cushion cap, described " L " shape reinforcing bar has upset one section and described pier The pre-buried vertical muscle of body pours together.
Preferably, described " L " shape reinforcing bar has upset one section and is arranged on the inside of the pre-buried vertical muscle of described pier shaft.
Preferably, the shears nail outside described steel bushing is crisscross arranged with the shears nail of inner side.
The upright construction technology of the steel bushing precast splice type bridge pier of a kind of above-mentioned band WELDING STUDS, comprises the following steps:
Step S1: at precasting yard inner position steel bushing, colligation " L " shape reinforcing bar, and back cover steel bushing, pour in steel bushing Concrete;
Step S2: continue assembling reinforcement cage, locating template in precasting yard, make the concrete of steel bushing and the coagulation of pier stud The two-part interface of soil is concordant, and steel bushing is not required to highlight, Precast Pier Columns, and this part concrete can lay flat on one's back and pour, it is possible to perpendicular Upright casting is built;
Step S3: prefabricated pier stud and steel bushing are transported to job site, location, prefabricated components ensure perpendicularity, tie up Prick cushion cap steel reinforcement cage, pour cushion cap concrete.
The handstand construction technology of the steel bushing precast splice type bridge pier of a kind of above-mentioned band WELDING STUDS, comprises the following steps:
Step S1: according to design requirement, the concrete section of the pre-buried vertical muscle of prefabricated band pier shaft in precasting yard;
Step S2: use loop wheel machine concrete section prefabricated for step S1 to be turned, install the steel bushing of band WELDING STUDS at top Cylinder, and " L " shape reinforcing bar that colligation one headband is upset, pour the concrete of suspension column;
Step S3: with automobile, prefabricated pier stud and steel bushing are transported to job site, again turned by bridge pier, will Pier stud and steel bushing location, finally pour cushion cap concrete.
Compared with prior art, beneficial effects of the present invention is as follows:
The steel bushing precast splice type bridge pier of the band shears nail of the present invention uses steel bushing parcel, top layer in areas of plasticity hinge The earthquake that concrete peels off in a large number just can be avoided, and has only to a small amount of repair and can recover normal usage energy after shake.
The steel bushing that the present invention arranges in plastic hinge local has the function of reinforcing bar, has longitudinal reinforcement and lateral tie concurrently Effect.
Being different from whole pier stud in prior art uses the mode of concrete filled steel tube, present invention local to use the structure of steel bushing Make and can farthest save steel, play the best use of, decrease the workload of poured in place concrete, construction week simultaneously Phase is short, and environmental effect is little.
It addition, the WELDING STUDS arranged on steel bushing can effectively transmit the shearing between concrete with steel and make both separate " starting power ", greatly strengthen the globality of structure.
Certainly, the arbitrary product implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Accompanying drawing explanation
Fig. 1 is the facade layout drawing that the embodiment of the present invention uses the steel bushing precast splice type bridge pier of band WELDING STUDS;
Fig. 2 is the upright construction process figure of Fig. 1;
Fig. 3 is the construction technology schematic diagram of Fig. 2;
Fig. 4 is the handstand construction process figure of Fig. 1;
Fig. 5 is the construction technology schematic diagram of Fig. 4;
Fig. 6 is the detailed top plan view of the steel bushing of the band WELDING STUDS of Fig. 1.
Detailed description of the invention
The present invention provides the steel bushing precast splice type bridge pier of a kind of band WELDING STUDS, including cushion cap and pier stud, a band shearing The steel bushing of nail connects described cushion cap and described pier stud, and a part for described steel bushing is positioned at described cushion cap, another part with Described pier stud is connected, and the WELDING STUDS of the steel bushing part being positioned at described cushion cap is arranged on outside described steel bushing, with pier stud phase The WELDING STUDS of steel bushing part even is arranged on inside described steel bushing.
Below with specific embodiment, the present invention will be further described.
Embodiment 1
Referring to Fig. 1, the steel bushing precast splice type bridge pier of the band WELDING STUDS that the present embodiment provides, including cushion cap 2 and pier Post 1, the steel bushing 3 of a band WELDING STUDS connects described cushion cap 2 and described pier stud 1, a part for described steel bushing 3 be positioned at described in hold In platform 2, another part is connected with described pier stud 1, and the WELDING STUDS 5 of the steel bushing part being positioned at described cushion cap 2 is arranged on described Outside steel bushing 3, the WELDING STUDS 4 of the steel bushing part being connected with pier stud 1 is arranged on inside described steel bushing 3.In described pier stud 1 Also being embedded with the pre-buried vertical muscle 6 of pier shaft, the pre-buried vertical muscle 6 of described pier shaft inserts in the steel bushing part in described cushion cap 2, described cushion cap Being provided with " L " shape reinforcing bar 8 in 2, described " L " shape reinforcing bar 8 has one section of upset 7 and is arranged on the interior of the pre-buried vertical muscle 6 of described pier shaft Pour together with portion vertical muscle 6 pre-buried with described pier shaft.
Refer to Fig. 6, it show the top view of the steel bushing 3 used by the present embodiment, as can be seen from FIG. steel bushing Outside has shears nail 5, and inner side has shears nail 4, and outside shears nail 5 and inner side shears nail 4 are crisscross arranged.
Referring to is the steel bushing precast splice type bridge pier of the band WELDING STUDS of the present invention shown in Fig. 2 and Fig. 3, Fig. 2 and Fig. 3 A kind of upright construction technology, this kind of construction technology is applicable to massive component, and this construction technology specifically includes following steps:
Step S1: at precasting yard inner position steel bushing 3, colligation " L " shape reinforcing bar 8, back cover steel bushing 3, water in steel bushing 3 Build concrete.Such advantage has: pouring this part concrete and need not template, steel bushing has acted as template.
Step S2: continue assembling reinforcement cage, locating template, the concrete of steel bushing and the concrete of pier stud in precasting yard Two-part interface must be concordant, and steel bushing is not required to highlight, Precast Pier Columns, and this part concrete can lay flat on one's back and pour, it is possible to Setting pours.
Step S3: prefabricated pier stud and steel bushing 3 are transported to job site, location, prefabricated components ensure perpendicularity, tie up Prick cushion cap steel reinforcement cage, pour cushion cap concrete.
Referring to Fig. 4 and Fig. 5, they illustrate that the handstand of a kind of steel bushing precast splice type bridge pier using band WELDING STUDS is executed Work technique, it is adaptable to turnover little light component or the construction of bent cap position, it specifically includes following steps:
Step S1: according to design requirement, the concrete section of the pre-buried vertical muscle 6 of prefabricated band pier shaft in precasting yard, this partial component can Lay flat on one's back prefabricated.
Step S2: use loop wheel machine concrete section prefabricated for Part I to be turned, install the steel of band WELDING STUDS at top Sleeve 3, " L " shape reinforcing bar 8 of colligation one headband upset 7, pour the concrete of suspension column.Such advantage has: 1. steel bushing can be straight Connect the template as this part concreting;2. bridge pier upset is prefabricated, it is simple to casting concrete.
Step S3: with automobile, prefabricated pier stud and steel bushing are transported to job site, bridge pier is turned again, as Plant trees and equally pier stud 1 and steel bushing 3 are positioned, finally pour cushion cap 2 concrete.Such advantage has: cushion cap concrete is must Need pour, not affect the workload of site operation.
In the present embodiment, pier stud 1 is connected with cushion cap 2 by steel bushing 3, uses between steel bushing 3 and concrete simultaneously The mode that WELDING STUDS 4,5 is connected, this local uses the structure of steel bushing can farthest save steel, plays optimal Effect, decreases the workload of poured in place concrete, short construction period simultaneously, and environmental effect is little, it addition, WELDING STUDS 4,5 energy Effectively transmit the shearing between concrete and steel and " starting power " of making both separate, greatly strengthen the globality of structure.
Bridge pier in the present embodiment relies on WELDING STUDS 4 and " L " shape reinforcing bar 8, between pier stud 1 and cushion cap 2 can reliably power transmission, reach To the mechanical behavior being equal to cast-in-place concrete, areas of plasticity hinge is by the constraint of steel bushing 3 simultaneously, considerably increases core and mixes The intensity of solidifying soil and deformability.
The present invention uses the steel bushing of band WELDING STUDS to connect pier stud and cushion cap, uses steel bushing bag in areas of plasticity hinge in advance Wrapping up in, the earthquake that Surface layer's concrete peels off in a large number just can be avoided, and has only to a small amount of repair and can recover normally to make after shake Use performance.The steel bushing arranged in plastic hinge local has the function of reinforcing bar, has the effect of longitudinal reinforcement and lateral tie concurrently.
The preferred embodiment of the present invention described in detail above.Should be appreciated that those of ordinary skill in the art without Need creative work just can make many modifications and variations according to the design of the present invention.Therefore, all technology in the art Personnel are available by logical analysis, reasoning, or a limited experiment the most on the basis of existing technology Technical scheme, all should be in protection domain determined by claim.

Claims (7)

1. the steel bushing precast splice type bridge pier of a band WELDING STUDS, it is characterised in that include cushion cap and pier stud, a band WELDING STUDS Steel bushing connect described cushion cap and described pier stud, a part for described steel bushing is positioned at described cushion cap, another part and institute Stating pier stud to be connected, the WELDING STUDS of the steel bushing part being positioned at described cushion cap is arranged on outside described steel bushing, with described pier stud The WELDING STUDS of the steel bushing part being connected is arranged on inside described steel bushing.
2. the steel bushing precast splice type bridge pier of band WELDING STUDS as claimed in claim 1, it is characterised in that in described pier stud also Being embedded with the pre-buried vertical muscle of pier shaft, the pre-buried vertical muscle of described pier shaft inserts the described steel bushing part in described cushion cap, and holds with described Platform pours together.
3. the steel bushing precast splice type bridge pier of band WELDING STUDS as claimed in claim 2, it is characterised in that set in described cushion cap Be equipped with " L " shape reinforcing bar, described " L " shape reinforcing bar there is upset one section vertical muscle pre-buried with described pier shaft together with pour.
4. the steel bushing precast splice type bridge pier of band WELDING STUDS as claimed in claim 3, it is characterised in that described " L " shape steel Muscle has upset one section and is arranged on the inside of the pre-buried vertical muscle of described pier shaft.
5. the steel bushing precast splice type bridge pier of band WELDING STUDS as claimed in claim 1, it is characterised in that described steel bushing The shears nail in outside and the shears nail of inner side are crisscross arranged.
6. the upright construction work of the steel bushing precast splice type bridge pier of arbitrary described band WELDING STUDS in claim 1-5 Skill, it is characterised in that comprise the following steps:
Step S1: at precasting yard inner position steel bushing, colligation " L " shape reinforcing bar, and back cover steel bushing, pour coagulation in steel bushing Soil;
Step S2: continue assembling reinforcement cage, locating template in precasting yard, make the concrete of steel bushing and the concrete two of pier stud The interface of part is concordant, and steel bushing is not required to highlight, Precast Pier Columns, and this part concrete can lay flat on one's back and pour, it is possible to erects and waters Build;
Step S3: prefabricated pier stud and steel bushing are transported to job site, location, prefabricated components ensure perpendicularity, and colligation is held Platform steel reinforcement cage, pours cushion cap concrete.
7. the handstand construction work of the steel bushing precast splice type bridge pier of arbitrary described band WELDING STUDS in claim 1-5 Skill, it is characterised in that comprise the following steps:
Step S1: according to design requirement, the concrete section of the pre-buried vertical muscle of prefabricated band pier shaft in precasting yard;
Step S2: use loop wheel machine concrete section prefabricated for step S1 to be turned, installs the steel bushing of band WELDING STUDS at top, and " L " shape reinforcing bar that colligation one headband is upset, pours the concrete of suspension column;
Step S3: with automobile, prefabricated pier stud and steel bushing are transported to job site, bridge pier is turned again, by pier stud Position with steel bushing, finally pour cushion cap concrete.
CN201610620647.3A 2016-08-01 2016-08-01 A kind of steel bushing precast splice type bridge pier with WELDING STUDS CN106192730B (en)

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Cited By (8)

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Publication number Priority date Publication date Assignee Title
CN107190634A (en) * 2017-06-08 2017-09-22 上海应用技术大学 A kind of method of rapid construction bridge pier after macroseism shifted based on plastic hinge
CN107227685A (en) * 2017-08-07 2017-10-03 上海应用技术大学 A kind of spliced bridge pier structure of rotary buckle and corresponding joining method
CN107288030A (en) * 2017-08-07 2017-10-24 重庆交通大学 The method for making cylindrical concrete pier stud
CN107288029A (en) * 2017-08-07 2017-10-24 重庆交通大学 The method for making square column type performance of concrete column confined
CN107476201A (en) * 2017-09-26 2017-12-15 孟凡星 Bridge pier installs equipment in a kind of water
CN108086140A (en) * 2018-01-31 2018-05-29 福建工程学院 A kind of assembled bridge pier structure of steel pipe socket
CN109518593A (en) * 2018-11-14 2019-03-26 安徽省交通规划设计研究总院股份有限公司 Assembly concrete-filled steel tube lattice pier
CN110629661A (en) * 2019-09-25 2019-12-31 广州大学 Anti-seismic performance gradient pier column and construction method thereof

Families Citing this family (1)

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CN110468723B (en) * 2019-08-30 2020-11-06 中铁六局集团太原铁路建设有限公司 Installation and construction method for wrapping steel plate outside main pier of swivel bridge

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CN105442433A (en) * 2015-11-30 2016-03-30 中铁二十四局集团安徽工程有限公司 Connection structure of prefabricated bridge pier and bearing platform and construction method thereof
CN105735112A (en) * 2016-04-14 2016-07-06 北京工业大学 Bolt connection-based rapid assembling precast rectangular concrete filled steel tube bridge pier

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Publication number Priority date Publication date Assignee Title
JP2001311113A (en) * 2001-04-19 2001-11-09 Ohbayashi Corp Construction method for pier column, and pier column structure
CN203065954U (en) * 2012-12-27 2013-07-17 长安大学 SCS concrete filled steel tube structure with shearing-resistant function
CN203938962U (en) * 2013-12-30 2014-11-12 浙江工业大学 The rubber concrete hollow pier with inside and outside constraint
CN105442433A (en) * 2015-11-30 2016-03-30 中铁二十四局集团安徽工程有限公司 Connection structure of prefabricated bridge pier and bearing platform and construction method thereof
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107190634A (en) * 2017-06-08 2017-09-22 上海应用技术大学 A kind of method of rapid construction bridge pier after macroseism shifted based on plastic hinge
CN107190634B (en) * 2017-06-08 2018-12-21 上海应用技术大学 A method of rapid construction bridge pier after the macroseism based on plastic hinge transfer
CN107227685A (en) * 2017-08-07 2017-10-03 上海应用技术大学 A kind of spliced bridge pier structure of rotary buckle and corresponding joining method
CN107288030A (en) * 2017-08-07 2017-10-24 重庆交通大学 The method for making cylindrical concrete pier stud
CN107288029A (en) * 2017-08-07 2017-10-24 重庆交通大学 The method for making square column type performance of concrete column confined
CN107227685B (en) * 2017-08-07 2019-11-19 上海应用技术大学 A kind of joining method of the spliced bridge pier structure of rotary buckle
CN107476201A (en) * 2017-09-26 2017-12-15 孟凡星 Bridge pier installs equipment in a kind of water
CN107476201B (en) * 2017-09-26 2019-03-01 万智彬 Bridge pier installs equipment in a kind of water
CN108086140A (en) * 2018-01-31 2018-05-29 福建工程学院 A kind of assembled bridge pier structure of steel pipe socket
CN109518593A (en) * 2018-11-14 2019-03-26 安徽省交通规划设计研究总院股份有限公司 Assembly concrete-filled steel tube lattice pier
CN110629661A (en) * 2019-09-25 2019-12-31 广州大学 Anti-seismic performance gradient pier column and construction method thereof

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