CN203160116U - Overturning prevention bridge pier mechanism - Google Patents

Overturning prevention bridge pier mechanism Download PDF

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Publication number
CN203160116U
CN203160116U CN 201320198198 CN201320198198U CN203160116U CN 203160116 U CN203160116 U CN 203160116U CN 201320198198 CN201320198198 CN 201320198198 CN 201320198198 U CN201320198198 U CN 201320198198U CN 203160116 U CN203160116 U CN 203160116U
Authority
CN
China
Prior art keywords
circular cylinder
support
bridge pier
overturning
floor
Prior art date
Application number
CN 201320198198
Other languages
Chinese (zh)
Inventor
孙全胜
李锋丹
韩宏光
裴松
张冬久
Original Assignee
东北林业大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 东北林业大学 filed Critical 东北林业大学
Priority to CN 201320198198 priority Critical patent/CN203160116U/en
Application granted granted Critical
Publication of CN203160116U publication Critical patent/CN203160116U/en

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Abstract

The utility model disclose an overturning prevention bridge pier mechanism, which relates to an overturning prevention bridge pier mechanism and is used for solving the problems of suspension of a support base and even overturning accidents caused by single-point supporting of a single-pier bridge in the prior art. A support mechanism comprises piers, carbon fiber cloth, a steel hoop assembly, six support columns and a plurality of connecting pieces, wherein the steel hoop assembly comprises two horizontal support plates, two semicircular cylinders, four connecting plates, a plurality of semicircular rib plates, a plurality of support rib plates and a plurality of rectangular rib plates; the two semicircular cylinders form a circular cylinder through the four connecting plates; the horizontal support plates are provided with the support columns; the horizontal support plates are arranged on the upper surface of the circular cylinder; the upper end of each support rib plate is connected with the lower surface of a corresponding horizontal support plate; the carbon fiber cloth is wound at the top ends of the piers; and the circular cylinder is sleeved on the carbon fiber cloth on the outer sides of the piers. The overturning prevention bridge is applied in the field of bridge reinforcing.

Description

A kind of overturning or slip resistance analysis bridge pier mechanism
Technical field
The utility model relates to a kind of overturning or slip resistance analysis bridge pier mechanism.
Background technology
In recent years, the only bridge type generally built as urban interchange, viaduct of stub continuous girder bridge and since its moulding succinct smooth, building height is little, intervisibility is good under the bridge, the adaptation occasion is many, easy construction and construction costs are lower etc., and advantage has obtained great development.But because solely the stub bridge adopts single supporting seat supporting at direction across bridge, under the uneven loading action of track, whole laterally unstability may take place, a lot of capsizing cases have taken place in recent years, cause great economic loss and abominable social influence.The accident investigation conclusion mostly is overload of vehicle, transfinite due to.The toppling to collapse of bridge construction taken place under the extreme event effect, and be disproportionate with the initial damage scale of structure itself.The continuous girder bridge of only stub single point supporting, overturning or slip resistance analysis moment is not enough to resist the overturning moment that produces under the effect of bridge extreme event, thereby causes supporting seat to come to nothing, even capsizing case takes place.This small probability but the serious accident of consequence has been subjected to the extensive concern of engineering design.Existing only stub continuous girder bridge, if adopt single point supporting, factor of safety against overturning is little, under the extreme event effect, supporting seat is very easy to come to nothing, and then causes top beam body to topple.
The utility model content
The stub bridge adopts single point supporting to cause supporting seat to come to nothing easily to the utility model in order to solve in the prior art solely, even the problem of capsizing case takes place, and then a kind of overturning or slip resistance analysis bridge pier mechanism is provided.
The utility model is to address the above problem the technical scheme that adopts to be: described bridge pier mechanism comprises that pier stud, described bridge pier mechanism also comprise carbon cloth, steel hoop assembly, six support columns and a plurality of connector, and the steel hoop assembly comprises two horizontal supporting plates, two semicircle cylindrical shells, four junction plates, a plurality of semicircle floor, a plurality of support floor and a plurality of rectangle floors; The upper surface of each support column and lower surface fixedly have a fixed head respectively, and two fixed heads are fixed by a plurality of connectors, per two semicircle floors are formed a circular floor, two semicircle cylindrical shells are formed circular cylinder body by four junction plates, the upper surface of each horizontal supporting plate respectively is provided with the support column of three settings triangular in shape respectively, and the axial center line of each support column overlaps with described circular cylinder body longitudinal center line, two horizontal supporting plates are on the upper surface that yi word pattern is horizontally set on described circular cylinder body, the even suit of a plurality of described circular floors is arranged on the lateral wall of described circular cylinder body, a plurality of rectangle floors are uniform to be arranged on the lateral wall of described circular cylinder body, and each rectangle floor center line along its length overlaps with the longitudinal center line of described circular cylinder body, a plurality of support floors are uniform to be arranged on the lateral wall of described circular cylinder body, the upper end of each support floor connects with the soffit of corresponding horizontal supporting plate, carbon cloth is wrapped in the top of pier stud, and described circular cylinder body is sleeved on the carbon cloth in the pier stud outside.
The beneficial effects of the utility model are: lay support column at horizontal supporting plate, improve the stress of bearing in the bridge later stage operation process, the resistance to capsizing of while strengthened beam body, prevent that girder from toppling, steel hoop assembly of the present utility model does not need field fabrication, can be in plant produced, the crudy height, pier stud boring be can satisfy and bolt and the steel hoop making requirement of construction simultaneously planted, shorten the engineering time, steel hoop can be made as the case may be, and is simple in structure, is convenient to processing and fabricating and installs and uses.
Description of drawings
Fig. 1 is that the utility model is installed in girder bottom integrated structural front view, and Fig. 2 is vertical view of the present utility model.
The specific embodiment
The specific embodiment one: a kind of overturning or slip resistance analysis bridge pier of present embodiment mechanism is described in conjunction with Fig. 1-Fig. 2, described bridge pier mechanism comprises that pier stud 1, described bridge pier mechanism also comprise carbon cloth 2, steel hoop assembly 4, six support columns 3 and a plurality of connector 6, and steel hoop assembly 4 comprises two horizontal supporting plate 4-2, two semicircle cylindrical shell 4-4, four junction plate 4-5, a plurality of semicircle floor 4-1, a plurality of support floor 4-3 and a plurality of rectangle floor 4-6; The upper surface of each support column 3 and lower surface fixedly have a fixed head respectively, and two fixed heads are fixed by a plurality of connectors 6, per two semicircle floor 4-1 form a circular floor, two semicircle cylindrical shell 4-4 form circular cylinder body by four junction plate 4-5, the upper surface of each horizontal supporting plate 4-2 respectively is provided with the support column 3 of three settings triangular in shape respectively, and each support column 3 axial center line overlaps with described circular cylinder body longitudinal center line, two horizontal supporting plate 4-2 are on the upper surface that yi word pattern is horizontally set on described circular cylinder body, the even suit of a plurality of described circular floors is arranged on the lateral wall of described circular cylinder body, a plurality of rectangle floor 4-6 are uniform to be arranged on the lateral wall of described circular cylinder body, and each rectangle floor 4-6 center line along its length overlaps with the longitudinal center line of described circular cylinder body, a plurality of support floor 4-3 are uniform to be arranged on the lateral wall of described circular cylinder body, the upper end of each support floor 4-3 connects with the soffit of corresponding horizontal supporting plate 4-2, carbon cloth 2 is wrapped in the top of pier stud 1, and described circular cylinder body is sleeved on the carbon cloth 2 in pier stud 1 outside.
The specific embodiment two: a kind of overturning or slip resistance analysis bridge pier of present embodiment mechanism is described in conjunction with Fig. 1-Fig. 2, described bridge pier mechanism also comprises a plurality of high-strength bolts 5, junction plate 4-5 on described two semicircle cylindrical shell 4-4 that fasten relatively is evenly fixing by a plurality of high-strength bolts 5, described circular cylinder body is fixed on the pier stud 1 by a plurality of high-strength bolts 5, and other is identical with the specific embodiment one.
The specific embodiment three: in conjunction with Fig. 1-Fig. 2 a kind of overturning or slip resistance analysis bridge pier of present embodiment mechanism is described, described three support columns 3 that are positioned on each horizontal supporting plate 4-2 are the equilateral triangle setting, and other is identical with the specific embodiment one.
The specific embodiment four: in conjunction with Fig. 1-Fig. 2 a kind of overturning or slip resistance analysis bridge pier of present embodiment mechanism is described, described connector 6 is two-way set bolt, and other is identical with the specific embodiment one.
Operating principle
The utility model is arranged on centre position, girder bottom, hole at pier stud 1 top earlier, attention will be avoided pier stud 1 reinforcing bar position, whitewash interfacial agents (glue) in drill hole then, steel hoop assembly 4 is installed, by high-strength bolt 5 with pier stud 1, carbon cloth 2 and steel hoop assembly 4 are connected to form integral body, a plurality of jack evenly are arranged on the top of pier stud 1, adjust a plurality of jack simultaneously with girder jacking certain altitude, two support columns 3 of the present invention are separately positioned on the horizontal supporting plate 4-2, afterwards jack is removed, supporting seat of the prior art is arranged on the top of pier stud 1.

Claims (4)

1. overturning or slip resistance analysis bridge pier mechanism, described bridge pier mechanism comprises pier stud (1), it is characterized in that: described bridge pier mechanism also comprises carbon cloth (2), steel hoop assembly (4), six support columns (3) and a plurality of connector (6), and steel hoop assembly (4) comprises two horizontal supporting plates (4-2), two semicircle cylindrical shells (4-4), four junction plates (4-5), a plurality of semicircle floor (4-1), a plurality of support floor (4-3) and a plurality of rectangle floor (4-6); The upper surface of each support column (3) and lower surface fixedly have a fixed head respectively, and two fixed heads are fixing by a plurality of connectors (6), per two semicircle floors (4-1) are formed a circular floor, two semicircle cylindrical shells (4-4) are formed circular cylinder body by four junction plates (4-5), the upper surface of each horizontal supporting plate (4-2) respectively is provided with the support column (3) of three settings triangular in shape respectively, and the axial center line of each support column (3) overlaps with described circular cylinder body longitudinal center line, two horizontal supporting plates (4-2) are on the upper surface that yi word pattern is horizontally set on described circular cylinder body, the even suit of a plurality of described circular floors is arranged on the lateral wall of described circular cylinder body, a plurality of rectangle floors (4-6) are uniform to be arranged on the lateral wall of described circular cylinder body, and each rectangle floor (4-6) center line along its length overlaps with the longitudinal center line of described circular cylinder body, a plurality of support floors (4-3) are uniform to be arranged on the lateral wall of described circular cylinder body, the upper end of each support floor (4-3) connects with the soffit of corresponding horizontal supporting plate (4-2), carbon cloth (2) is wrapped in the top of pier stud (1), and described circular cylinder body is sleeved on the carbon cloth (2) in pier stud (1) outside.
2. according to the described a kind of overturning or slip resistance analysis bridge pier of claim 1 mechanism, it is characterized in that: described bridge pier mechanism also comprises a plurality of high-strength bolts (5), junction plate (4-5) on described two semicircle cylindrical shells (4-4) that fasten relatively is evenly fixing by a plurality of high-strength bolts (5), and described circular cylinder body is fixed on the pier stud (1) by a plurality of high-strength bolts (5).
3. according to the described a kind of overturning or slip resistance analysis bridge pier of claim 1 mechanism, it is characterized in that: described three support columns (3) that are positioned on each horizontal supporting plate (4-2) are the equilateral triangle setting.
4. according to the described a kind of overturning or slip resistance analysis bridge pier of claim 1 mechanism, it is characterized in that: described connector (6) is two-way set bolt.
CN 201320198198 2013-04-18 2013-04-18 Overturning prevention bridge pier mechanism CN203160116U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320198198 CN203160116U (en) 2013-04-18 2013-04-18 Overturning prevention bridge pier mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320198198 CN203160116U (en) 2013-04-18 2013-04-18 Overturning prevention bridge pier mechanism

Publications (1)

Publication Number Publication Date
CN203160116U true CN203160116U (en) 2013-08-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320198198 CN203160116U (en) 2013-04-18 2013-04-18 Overturning prevention bridge pier mechanism

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103850183A (en) * 2014-03-12 2014-06-11 中交二航局第四工程有限公司 Support structure for realizing no-cushion cap approach viaduct concrete box girder less-support cast-in-place
CN105970799A (en) * 2016-05-18 2016-09-28 清华大学 Structure for preventing bridge from overturning transversely and construction method of structure
CN106087707A (en) * 2016-07-27 2016-11-09 清华大学 A kind of accessory configurations preventing existing bridge lateral from toppling and construction method thereof
CN108532474A (en) * 2018-03-29 2018-09-14 中冶华天工程技术有限公司 A kind of the overturn-preventing bracing means and installation method of Single column pier bridge

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103850183A (en) * 2014-03-12 2014-06-11 中交二航局第四工程有限公司 Support structure for realizing no-cushion cap approach viaduct concrete box girder less-support cast-in-place
CN105970799A (en) * 2016-05-18 2016-09-28 清华大学 Structure for preventing bridge from overturning transversely and construction method of structure
CN105970799B (en) * 2016-05-18 2018-04-10 清华大学 A kind of construction for preventing bridge lateral from toppling and its construction method
CN106087707A (en) * 2016-07-27 2016-11-09 清华大学 A kind of accessory configurations preventing existing bridge lateral from toppling and construction method thereof
CN108532474A (en) * 2018-03-29 2018-09-14 中冶华天工程技术有限公司 A kind of the overturn-preventing bracing means and installation method of Single column pier bridge

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130828

Termination date: 20170418