CN1483895A - Track traffic and urban road integrated tie arch bridge - Google Patents
Track traffic and urban road integrated tie arch bridge Download PDFInfo
- Publication number
- CN1483895A CN1483895A CNA031417582A CN03141758A CN1483895A CN 1483895 A CN1483895 A CN 1483895A CN A031417582 A CNA031417582 A CN A031417582A CN 03141758 A CN03141758 A CN 03141758A CN 1483895 A CN1483895 A CN 1483895A
- Authority
- CN
- China
- Prior art keywords
- arch
- urban road
- track traffic
- bridge
- integrated
- Prior art date
- 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.)
- Granted
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a track transportation and urban road integrated tied-arch bridge, and it is characterized by that the described track transportation and urban road system adopts four sheets of arch rib, the track transportation is positioned in the centre, the up-and-down traffic lanes are set at two sides, and the walkway is set at most outside. Said invention can combine track transportation bridge and urban road bridge together, can adopt steel tube concrete structure and its cost is low.
Description
Technical field:
The present invention is the related bridge engineering new technical field of civil engineering, is specifically related to the integrated bowstring arch bridge of track traffic and urban road.
Background technology:
The Urban Bridge of cross-line or cross a river, it strides the footpath generally between 60～200m.Be fit to this bridge type of striding the footpath and mainly contain beams and prestress concrete continuous bridge, cable stayed bridge, suspension bridge and bowstring arch bridge.
Build the orbit traffic overhead bridge in the city, general trend all arranges when need are crossed over the river course, two kinds of leap forms to be arranged along central greenbelt existing or the planning major trunk roads: divide and build and build jointly.
Technically, build jointly because of track traffic and urban road (being generally major trunk roads), its bridge is wide to be generally about 50m, equal broads, and different mobile load types, technical difficulty is higher, so the mode that present domestic general employing branch is built.In daily management, divide to build and build jointly easily, be convenient to maintenance management, often lack unified layout consideration but divide to build, economic effect is also relatively poor.
Summary of the invention:
The object of the present invention is to provide the integrated bowstring arch bridge of a kind of track traffic and urban road, it more can adapt to the topology layout form of the integrated bridge in orbit traffic overhead bridge and Urban Bridge collinear leap intersection or river, further satisfies the comparatively convenient and economic effect of construction demand preferably.
To achieve these goals, technical scheme of the present invention is: the integrated bowstring arch bridge of track traffic and urban road, it mainly comprises the line up and down of track traffic and urban road, it is characterized in that: the integrated bowstring arch bridge of described track traffic and urban road, adopt four arch ribs, track traffic is located at central authorities, and urban road line up and down sets up separately in both sides, and the sidewalk is positioned at outermost.
The present invention compared with prior art has following characteristics: one, rail traffic bridge and urban road bridge unite two into one, two kinds of dissimilar traffic of two groups of natural separations of arch rib, thus make two kinds of traffic combine, and the form of structure of two groups of arch ribs is stressed clear and definite; Its two, adopt the steel pipe concrete structure, job practices is various and simple, the selection elder generation's beam rear arch that can suit measures to local conditions or elder generation's arch back beam construction method, the cast in situs amount is few, and the prefabricated units longeron is light, thereby convenient construction transportation and lifting are installed, and have accelerated construction progress, and the duration shortens; Its three, cost economic, factors such as economic indicator compound material consumption, road access bridge length are saved morely with the bridge type of striding the footpath than other, reached the purpose of novel uniqueness, economic and reliable.
Description of drawings:
Fig. 1 is the structural representation of one embodiment of the invention
Fig. 2 is the partial structurtes schematic diagram of further embodiment of this invention
The specific embodiment:
The invention will be further described below in conjunction with drawings and Examples.
The present invention mainly comprises the line up and down of track traffic 7 and urban road, it is characterized in that: described integrated bowstring arch bridge adopts four arch ribs 1, and track traffic 7 is located at central authorities, urban road about in the of 9 line set up separately in both sides, sidewalk 8 is positioned at outermost; Taking into full account the heavy characteristics of track traffic load, adopt four arch ribs in the enforcement, the form of structure of the firm beam of rigid arch, its concrete feature is as follows:
Integral layout, single line or two-wire track traffic 7 are located between two groups of arch ribs, and urban road line up and down is arranged in respectively in two groups of arch ribs, and sidewalk 8 is positioned at the arch rib outside, makes structure stress more reasonable; Every group of arch rib is provided with suspension rod, wind brace, the longitudinal and cross beam of putting more energy into, and by crossbeam two groups of arch ribs connected into the integrated bowstring arch bridge of the firm beam of rigid arch.
Structural system adopts integrated bowstring arch bridge, is made of the structural system of the firm beam of rigid arch four arch ribs 1.Each arch rib all has limit arch and hogging, adopts wind brace to be connected between the limit arch of every group of arch rib and the hogging, with the reinforcement lateral stability.Each arch rib adopts steel pipe concrete, and hogging is because of stressed bigger, and the arch rib width of hogging is a bit larger tham the width of limit arch, and arch rib section has circle, waist shape, rectangular cross section rounded corner shape.The longeron 2 of putting more energy into has entity rectangle, box section, and its form can with the reduction constructionheightofbridge, and help protecting suspension rod 5 to be arranged according to its highly outstanding bridge floor, and the usefulness of double as dividing strip.Put more energy into and apply longitudinal prestressing in the longeron to overcome the arch rib horizontal thrust that perseverance, mobile load cause.The arch rib two ends are provided with powerful end floor beam, have just tied with longeron 2, strengthen lateral stability, and crossbeam has entity rectangle, T type section, and the crossbeam height is pressed deck transverse slope and changed, and connects with crossbeam between two middle longerons, establishes the track traffic bridge floor on the crossbeam; Every group of arch rib becomes with suspension rod, wind brace, the firm roped party of the longitudinal and cross beam of putting more energy into, and by crossbeam two groups of arch ribs got in touch into the integrated bowstring arch bridge of the firm beam of rigid arch.
Arch rib adopts steel pipe concrete, and hogging is because of stressed bigger, and the comparable limit of arch rib width arch is big slightly, and arch rib section has circle, waist shape, rectangular cross section rounded corner form.
Adopt the pile foundation basis for general soil layer, as steel pipe pile, PHC pile tube and bored pile, cushion cap is furnished with separate type, integral type, and pier shaft has twin columns to add binder connection, rectangular thin-wall pier.
Provide embodiment below.
Embodiment: a urban design scheme is the lower support type tied arch that track traffic and urban road bridge are built jointly, and its main bridge lateral arrangement is two groups of arch ribs 1, beam overall 46.9m.Bridge floor by the crossbeam contact between two groups of arch ribs is arranged as two-wire track traffic 7, and clear span 7.7m, road automobile line up and down are arranged in respectively in two groups of arch ribs, the unidirectional wide 14m of motorway, sidewalk 8 is positioned at the arch rib outside, utilizes limit longeron cantilever to choose clear span 2.75m.
Concrete scheme is a single span freely-supported lower support type bowstring arch bridge, strides footpath 78m, the wide 46.9m of bridge.Design takes into full account influencing each other of road vehicle and track traffic, and structure adopts the firm beam of rigid arch.Arch rib 1 is main supporting member, is concrete filled steel tube, laterally with wind brace 6 contacts.Arch rib 1 is a rectangular cross section, and hogging is because of stressed bigger, and width is suitably widened, and height is consistent with the limit arch.The arch axis line adopts second-degree parabola, and ratio of rise to span is 1/5.The partly outstanding bridge floor of the longeron of putting more energy into, to reduce constructionheightofbridge, the longeron hogging of putting more energy into place is widened than limit Gong Chu is also corresponding.Crossbeam 3 adopts T type section, and the crossbeam height is pressed deck transverse slope and changed, and has just tied with longeron 2, and the longeron two ends are provided with powerful end floor beam.Prefabricated bridge is connected the cast-in-place wet joint of employing with crossbeam.Put more energy into and apply longitudinal prestressing in the longeron to overcome the arch rib horizontal thrust that perseverance, mobile load cause.
Substructure adopts Φ 600mmPHC Driven-in Pile Foundations, twin columns solid pier.Socle adopts binder to connect.Cushion cap is connected as a single entity under the hogging, separates with cushion cap under the arch of limit.
Single line or two-wire track traffic are located between two groups of arch ribs, and urban road line up and down is arranged in respectively in two groups of arch ribs, and the sidewalk is positioned at the arch rib outside, makes structure stress more reasonable
Adopt the steel pipe concrete structure, job practices is various and simple, the selection elder generation's beam rear arch that can suit measures to local conditions or elder generation's arch back beam construction method, the cast in situs amount is few, and the prefabricated units longeron is light, thereby convenient construction transportation and lifting are installed, accelerated construction progress, the duration shortens.
Claims (7)
1, the integrated bowstring arch bridge of track traffic and urban road, it mainly comprises the line up and down of track traffic and urban road, it is characterized in that: described track traffic and urban road system adopt four arch ribs, track traffic is located at central authorities, urban road line up and down sets up separately in both sides, and the sidewalk is positioned at outermost.
2, the integrated bowstring arch bridge of track traffic according to claim 1 and urban road is characterized in that: single line or two-wire track traffic are located between two groups of arch ribs, and urban road line up and down is arranged in respectively in two groups of arch ribs, and the sidewalk is positioned at the arch rib outside.
3, the integrated bowstring arch bridge of track traffic according to claim 1 and 2 and urban road is characterized in that: every group of arch rib is provided with suspension rod, wind brace, the longitudinal and cross beam of putting more energy into, and by crossbeam two groups of arch ribs connected into the integrated bowstring arch bridge of the firm beam of rigid arch.
4, a kind of track traffic according to claim 1 and 2 and the integrated bowstring arch bridge of urban road is characterized in that: each arch rib all has limit arch and hogging, adopts wind brace to be connected between the limit arch of every group of arch rib and the hogging.
5, by described a kind of track traffic of claim 1 and the integrated bowstring arch bridge of urban road, it is characterized in that: each arch rib adopts steel pipe concrete, and the arch rib width of hogging is a bit larger tham the width of limit arch, and arch rib section has circle, waist shape, rectangular cross section rounded corner shape.
6, by described a kind of track traffic of claim 1 and the integrated bowstring arch bridge of urban road, it is characterized in that: the longeron of putting more energy into has entity rectangle, box section.
7, by described a kind of track traffic of claim 1 and the integrated bowstring arch bridge of urban road, it is characterized in that: the arch rib two ends are provided with powerful end floor beam and longeron is just tied, and crossbeam has entity rectangle, T type section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031417582A CN100491640C (en) | 2003-07-22 | 2003-07-22 | Track traffic and urban road integrated tie arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031417582A CN100491640C (en) | 2003-07-22 | 2003-07-22 | Track traffic and urban road integrated tie arch bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1483895A true CN1483895A (en) | 2004-03-24 |
| CN100491640C CN100491640C (en) | 2009-05-27 |
Family
ID=34155440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031417582A Expired - Lifetime CN100491640C (en) | 2003-07-22 | 2003-07-22 | Track traffic and urban road integrated tie arch bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100491640C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2352721A1 (en) * | 2007-07-06 | 2011-03-07 | F. Javier Porras Vila | Bridge with bevels at the ends. (Machine-translation by Google Translate, not legally binding) |
| CN102251477A (en) * | 2011-04-19 | 2011-11-23 | 中铁二十三局集团第三工程有限公司 | Traversing construction method for tie bar arch |
| CN103526686A (en) * | 2013-11-05 | 2014-01-22 | 黄俊文 | Bridge |
-
2003
- 2003-07-22 CN CNB031417582A patent/CN100491640C/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2352721A1 (en) * | 2007-07-06 | 2011-03-07 | F. Javier Porras Vila | Bridge with bevels at the ends. (Machine-translation by Google Translate, not legally binding) |
| CN102251477A (en) * | 2011-04-19 | 2011-11-23 | 中铁二十三局集团第三工程有限公司 | Traversing construction method for tie bar arch |
| CN102251477B (en) * | 2011-04-19 | 2013-01-09 | 中铁二十三局集团第三工程有限公司 | Traversing construction method for tie bar arch |
| CN103526686A (en) * | 2013-11-05 | 2014-01-22 | 黄俊文 | Bridge |
| CN103526686B (en) * | 2013-11-05 | 2015-09-16 | 黄俊文 | A kind of bridge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100491640C (en) | 2009-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101215819B (en) | Separated double-layer bridge-floor cable stayed bridge | |
| CN202139530U (en) | Single cell box long cantilever and box girder integrated structure | |
| CN201891069U (en) | Through steel pipe-concrete open type truss combination beam bridge | |
| CN109898550A (en) | A kind of prefabricated assembled cantilever retaining wall being connected by screw bolts mode | |
| CN106436592A (en) | Bridge widening structure using Z-shaped steel plate connectors and construction method thereof | |
| CN208266912U (en) | A kind of roadbed section retaining wall | |
| CN112359712A (en) | Three-column prestressed concrete gate pier for rail transit and construction method thereof | |
| CN100491640C (en) | Track traffic and urban road integrated tie arch bridge | |
| CN107724227A (en) | A kind of continuous rigid frame deck type plate arch combined bridge | |
| CN108505428B (en) | Large-included-angle small-radius multi-tower curve cable-stayed bridge | |
| CN1335433A (en) | Overhead road with composite foundation | |
| CN105755945A (en) | Y-shaped triangular steel truss beam bridge | |
| CN113174870B (en) | Pier position transformation method of overline overbridge | |
| CN216304315U (en) | Four-layer co-constructed three-dimensional traffic system | |
| CN1483896A (en) | Overhead bridge interval structure for track traffic | |
| CN203256588U (en) | Multifunctional arched combination pre-stress landscape bridge | |
| CN205636467U (en) | Triangle -shaped steel truss bridge of limb is divided to Y shape | |
| CN107905084B (en) | RPC steel truss combined bridge deck and continuous beam bridge | |
| CN210216110U (en) | Box girder bridge is assembled to split type prefabricated segment of pier top crossbeam of encorbelmenting greatly | |
| CN215164570U (en) | Ultra-wide bridge floor open-type light combined bridge floor special-shaped arch bridge | |
| CN218813146U (en) | Ladder way structure for large-height-difference bridge | |
| CN211171554U (en) | Bridge structure | |
| CN212895879U (en) | Double-limb pier capping beam | |
| CN219731620U (en) | Green road combined structure bridge applicable to mountain canyon highway | |
| CN212956094U (en) | Van-type general car structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090527 |