CN201077951Y - Track traffic overhead viaduct interval structure - Google Patents

Track traffic overhead viaduct interval structure Download PDF

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Publication number
CN201077951Y
CN201077951Y CNU2007200730669U CN200720073066U CN201077951Y CN 201077951 Y CN201077951 Y CN 201077951Y CN U2007200730669 U CNU2007200730669 U CN U2007200730669U CN 200720073066 U CN200720073066 U CN 200720073066U CN 201077951 Y CN201077951 Y CN 201077951Y
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CN
China
Prior art keywords
pier
bridge
rail
pier stud
concrete
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Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CNU2007200730669U
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Chinese (zh)
Inventor
葛竞辉
丁兴国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Municipal Engineering Design Insitute Group Co Ltd
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Shanghai Municipal Engineering Design Insitute Group Co Ltd
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Priority to CNU2007200730669U priority Critical patent/CN201077951Y/en
Application granted granted Critical
Publication of CN201077951Y publication Critical patent/CN201077951Y/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to an interval structure of a rail transit viaduct. The utility model is characterized in that the reinforced concrete pier stud presents an H shape or a Y shape in the transverse direction, and two prefabricated prestress concrete small box girders are arranged on the reinforced concrete pier stud; a supporting seat is also arranged on the pier stud of the pier, the rail girders adopt two single-chest single-room prefabricated prestress concrete small box girders, and are positioned on the supporting seat of the pier stud. The utility model is technically characterized in that firstly, the rail small box girders and the pier with the transverse direction presenting H-shaped and y-shaped are included, the pier presents an unfolding curve, the interval structure of the rail transit viaduct is concerted, reasonable, novel and artistic; secondly; the rail girder is composed of two single-chest single-room prefabricated prestress concrete small box girders, the single small box girder is light, the prefabricated lifting construction of the rail girder becomes feasible, the construction proceeding is quickened, the construction period is shortened, and the influence to the environment and the ground is reduced; thirdly, the pier stud presents a curvilinear figure with a wide upper part and a narrow lower part, therefore the occupying space is less, and the pipeline arrangement and the traffic organization on the ground are facilitated; fourthly, the pier self steel structure system adapts the changing of the space length of the rail line and can totally meet the technical requirements for the rail transit; fifthly, the interval structure can be more adaptive to the development and change of the rail transit viaduct.

Description

A kind of orbit traffic overhead bridge interval structure
Technical field:
The utility model is the technical field of the related bridge engineering of civil engineering, is specifically related to a kind of interval structure pattern of orbit traffic overhead bridge.
Background technology:
The orbit traffic overhead bridge has the branch of two-wire and single line, at present, the bridge pier of the orbit traffic overhead bridge that China has implemented, all linearly only post of shape or twin shaft pier are leant on moulding at direction across bridge, distance is generally between 25~30m between pier, interval girder pattern has a single box single chamber (being called for short big case beam) or two single box single chambers (being called for short little case beam) prestress box beam, and the whole viaduct structure of composition shows as: the bridge pier moulding is more single, and direction across bridge has only post, twin columns; Girder is made the job practices that all adopts support cast-in-place, and construction period is bigger to the surrounding enviroment influence, and the duration is also longer.
Summary of the invention:
The purpose of this utility model is to provide a kind of orbit traffic overhead bridge interval structure of easy construction.
To achieve these goals, the technical solution of the utility model is: a kind of orbit traffic overhead bridge interval structure, it mainly comprises foundation platform, be cast in the steel bar concrete pier stud on the foundation platform and be arranged on prestress concrete prefabricated case beam on the steel bar concrete pier stud, it is characterized in that: the direction across bridge of steel bar concrete pier stud is H type, Y type, is provided with precast prestressed concrete double small case beam on the steel bar concrete pier stud; Lean at the pier of bridge pier and to be provided with bearing, rail beam is two single box single chamber prestress concrete Small Precast Box beams, and places on the bearing that the bridge pier pier leans on; The upper pillar stand that the bridge pier direction across bridge is H type, Y type pier stud is the shaped form of abduction, and lower pillar stand is vertical shape or abduction shaped form, and its inclination angle is controlled at 〉=70 degree.
The orbit traffic overhead bridge interval structure that above-mentioned feature of the present utility model constitutes has following technical characterstic, one, little case beam of track and direction across bridge are the bridge pier of H type, Y type, and pier stud is the abduction shaped form, and the orbit traffic overhead bridge interval structure that is constituted is more coordinated rationally, novel and beautiful; The rail beam that its two, two single box single chamber prestress concrete Small Precast Box beams are formed, its single little case beam in light weight makes rail beam prefabrication and lifting form of construction work become feasible, thereby accelerated construction progress, and the duration shortens, and has reduced the influence to environment and traffic; Its three, bridge pier pier stud direction across bridge is shaped form wide at the top and narrow at the bottom, its occupation of land is less, is beneficial to the laying and the traffic above-ground tissue of pipeline; Its four, adapt to the railway line spacing and change bridge pier and have firm structure system of one's own and can satisfy the every technical requirements of track traffic fully; Its five, it more can adapt to the development and the variation of orbit traffic overhead bridge, further satisfies view, construction, economic demand, reaches novel unique, the construction purpose of civilization fast.
Description of drawings:
Fig. 1 is orbit traffic overhead bridge interval structure cross section (two-wire) schematic diagram that the utility model is formed
Fig. 2 is a lateral view shown in Figure 1
The specific embodiment:
The utility model will be further described below in conjunction with drawings and Examples.
The utility model mainly comprises the basis, this basis is made up of steel bar concrete cushion cap 5, stake 6, be cast in the steel bar concrete pier stud on the foundation platform and be arranged on prestress concrete prefabricated case beam on the steel bar concrete pier stud, it is characterized in that: the direction across bridge of steel bar concrete pier stud 1 is H type, Y type, is provided with precast prestressed concrete double small case beam 2 on the steel bar concrete pier stud.The upper pillar stand that the bridge pier direction across bridge is H type, Y type pier stud in the enforcement is the abduction shaped form, and lower pillar stand is vertical shape or abduction shaped form, and its inclination angle is controlled at 〉=70 degree; Precast prestressed concrete double small case beam is that two little case beams of single box single chamber are formed rail beam 3, little case beam is the prefabrication and lifting construction, two little case beams are fused by Cast-in-place concrete, the bridge pier pier is leant on direction across bridge and is shaped form wide at the top and narrow at the bottom, its occupation of land is less, and the laying and the traffic above-ground pseudometaplasia railway line spacing that are beneficial to pipeline change, and lean at the pier of bridge pier and are provided with bearing 4, rail beam is two single box single chamber prestress concrete Small Precast Box beams, and places on the bearing that the bridge pier pier leans on.
Technical characterstic of the present utility model reduces:
1. interval structure pattern, bridge pier pier stud direction across bridge is H type, Y type, and the steel bar concrete pier stud is the abduction shaped form.
2. interval structure pattern, rail beam is two single box single chamber prestress concrete Small Precast Box beams, and places on the bearing that the bridge pier pier leans on.
3. rail beam is the prestress concrete prefabricated units, and striding the footpath scope of application is 20~35m.
4. the basis is made up of steel bar concrete cushion cap, stake, and pile foundation has reinforcing bar concrete square pile, PHC pile tube, bored pile.
The orbit traffic overhead bridge interval structure pattern of present embodiment is made up of shaped form H type steel bar concrete pier stud 1 and basis, prestress concrete pre-track beam 3 and bearing 4.
Pier is leant on upper pillar stand, and to be the abduction shaped form be bridge pier control primary structure member, and the angle of its inclination directly influences or control the force-bearing situation of bridge pier, in consideration stressed (controlling its tensile stress), takes into account its facade moulding.Its inclination angle promptly is controlled at the angle of level 〉=70 degree.
The utility model job practices is fast convenient, and in the pier stud construction, it is prefabricated to carry out the prestress concrete rail beam, after the pier stud concrete reaches intensity, carry out rail beam and start shipment lifting, behind the hoisted in position, finally finish cast-in-place section concrete of rail beam and build, constitute whole rail traffic viaduct interval structure.

Claims (3)

1. orbit traffic overhead bridge interval structure, it mainly comprises foundation platform, be cast in the steel bar concrete pier stud on the foundation platform and be arranged on prestress concrete prefabricated case beam on the steel bar concrete pier stud, it is characterized in that: the direction across bridge of steel bar concrete pier stud is H type, Y type, is provided with precast prestressed concrete double small case beam on the steel bar concrete pier stud; Lean at the pier of bridge pier and to be provided with bearing, rail beam is two single box single chamber prestress concrete Small Precast Box beams, and places on the bearing that the bridge pier pier leans on; The upper pillar stand that the bridge pier direction across bridge is H type, Y type pier stud is the shaped form of abduction, and lower pillar stand is vertical shape or abduction shaped form, and its inclination angle is controlled at 〉=70 degree.
2. by the described orbit traffic overhead bridge of claim 1 interval structure, it is characterized in that: the bridge pier pier is leant on direction across bridge and is shaped form wide at the top and narrow at the bottom.
3. by the described orbit traffic overhead bridge of claim 1 interval structure, it is characterized in that: precast prestressed concrete double small case beam is that two little case beams of single box single chamber are formed rail beam, and little case beam is a precast construction, and two little case beams are fused by Cast-in-place concrete.
CNU2007200730669U 2007-07-30 2007-07-30 Track traffic overhead viaduct interval structure Expired - Lifetime CN201077951Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200730669U CN201077951Y (en) 2007-07-30 2007-07-30 Track traffic overhead viaduct interval structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200730669U CN201077951Y (en) 2007-07-30 2007-07-30 Track traffic overhead viaduct interval structure

Publications (1)

Publication Number Publication Date
CN201077951Y true CN201077951Y (en) 2008-06-25

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102605709A (en) * 2012-03-12 2012-07-25 北京市市政工程设计研究总院 Structure of simply support and continuous bridge with pier similar to inverted triangle
CN102747678A (en) * 2012-06-29 2012-10-24 浙江工业大学 Unequal-height V-shaped bridge pier
CN104594173A (en) * 2014-11-28 2015-05-06 中铁第四勘察设计院集团有限公司 Rail holding type electromagnetic suspension track traffic box girder
CN105421166A (en) * 2015-12-17 2016-03-23 中铁第四勘察设计院集团有限公司 Double-track beam for magnetic levitation holding-rail type rail transit
CN105568788A (en) * 2015-12-17 2016-05-11 中铁第四勘察设计院集团有限公司 Two-line rail girder of maglev rail-holding rail transit

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102605709A (en) * 2012-03-12 2012-07-25 北京市市政工程设计研究总院 Structure of simply support and continuous bridge with pier similar to inverted triangle
CN102605709B (en) * 2012-03-12 2015-03-18 北京市市政工程设计研究总院有限公司 Structure of simply support and continuous bridge with pier similar to inverted triangle
CN102747678A (en) * 2012-06-29 2012-10-24 浙江工业大学 Unequal-height V-shaped bridge pier
CN102747678B (en) * 2012-06-29 2014-09-03 浙江工业大学 Unequal-height V-shaped bridge pier
CN104594173A (en) * 2014-11-28 2015-05-06 中铁第四勘察设计院集团有限公司 Rail holding type electromagnetic suspension track traffic box girder
CN105421166A (en) * 2015-12-17 2016-03-23 中铁第四勘察设计院集团有限公司 Double-track beam for magnetic levitation holding-rail type rail transit
CN105568788A (en) * 2015-12-17 2016-05-11 中铁第四勘察设计院集团有限公司 Two-line rail girder of maglev rail-holding rail transit

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Granted publication date: 20080625