CN200943181Y - Three span continuous rigid structure steel arched bridge - Google Patents
Three span continuous rigid structure steel arched bridge Download PDFInfo
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- CN200943181Y CN200943181Y CN 200620124499 CN200620124499U CN200943181Y CN 200943181 Y CN200943181 Y CN 200943181Y CN 200620124499 CN200620124499 CN 200620124499 CN 200620124499 U CN200620124499 U CN 200620124499U CN 200943181 Y CN200943181 Y CN 200943181Y
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Abstract
The utility model relates to a triple-span consecutive steel-structured arch-bridge, which includes a middle-through main-arch arch-rib, a main-arch bridge deck connected with the main-arch arch-rib through a suspender, middle-through side-arch arch-ribs positioned at both sides of the main-arch arch-rib, and a side-arch bridge deck with both ends connected to the side-arch arch-rib through the a suspender. Wherein, the main-arch arch-rib is connected with the interior arch-foot of the side-arch arch-rib through the triangle steel-structure fixed on the main pier and the exterior arch-foot of the side-arch arch rib is connected with the side pier through the supporting stand. Both sides of the main-arch bridge deck are provided with flexible binding rods. The exterior arch-foot of the side-arch arch-rib and the supporting stand connected with the side pier are longitudinal sliding supporting-stand. The main-arch bridge deck is in a steel-structure or a combined structure of steel mixture and the side-arch bridge deck is in a concrete structure. The utility model improves the integral stiffness of the whole bridge by optimized structure and design, which restricts the unbalanced flexural-torque and the horizontal force of the main pier to a substantially low level, thereby lowers the difficulty of the fundamental design, saves the steel consumption of the whole bridge structure, reduces the investment cost and ensures a more harmonious and elegant appearance for the three-span consecutive arches integrally.
Description
Technical field
The utility model relates to a kind of long-span arch bridge, the three span continuous rigid structure steel arched bridge of particularly a kind of large span, the higher rigidity of structure, good stress.
Background technology
Along with the development of transport development, the Longspan Bridge technology has had the raising of leap.Arch bridge is because it has incomparable curve modeling of other bridge type and aesthetic feeling, and the easier designer of allowing has the space of performance on bridge aesthetics, thereby the bigger possibility of applying is arranged in bridge construction.
Non-thrust arched bridge needs the basis that powerful counter-force is provided, and the arch bridge of building in the plains region is difficult to so that good geological conditions satisfies the structure stress needs, and therefore present arch bridge generally is designed to three and strides the self-anchoring type arch bridge.Fig. 4 three strides self-anchoring type arch bridge structure schematic diagram, and main arch arch rib 1 is a half-through arch bridge, and both sides side arch rib 2 is a Deck Arch Bridges, the horizontal thrust that the flexible tie-rod of stretch-draw bridge deck comes balance main arch arch rib arch springing place to produce between the end floor beam of both sides arch arch rib 2.There is following limitation in actual use in the said structure of prior art:
1. along with the main arch span increases, the corresponding decline of full-bridge integral rigidity on the one hand, the stretching force of flexible tie-rod between the side arch rib end floor beam is strengthened, and, make partial structurtes stressed extremely complicated for this horizontal pull of balance needs at the huge load of side arch rib end floor beam place ballast; In order to improve the full-bridge integral rigidity, the steel use amount will increase considerably simultaneously, and investment is strengthened;
2. the Deck Arch Bridges form of structure of side arch rib has limited its span, and the limit arch provides than using under the large span situation so this form of structure can't be satisfied the demand, and in navigable waters, the existence of limit arch also is unfavorable for navigation;
3. from aesthstic angle, this form of structure has mainly been given prominence to the position of main arch arch rib, and has desalinated the transition setoff effect of side arch rib, and when the main arch span was very big, it is very inharmonious that building integral seems.
The utility model content
The purpose of this utility model provides a kind of three span continuous rigid structure steel arched bridge, and the big and limit arch structure of investment can't satisfy large span and uses technological deficiencies such as needs when effectively solving prior art three and striding self-anchoring type arch bridge structure local pressure complexity, large span.
To achieve these goals, the utility model provides a kind of three span continuous rigid structure steel arched bridge, the main arch bridge floor that comprises half-through main arch arch rib, is connected with described main arch arch rib by suspension rod, the half-through side arch rib that is positioned at described main arch arch rib two sides, be connected with described side arch rib and the affixed limit arch bridge face in two ends with it by suspension rod, described main arch arch rib is connected with the inboard arch springing of described side arch rib by the firm structure of triangle that is fixed on the main pier, and the outside arch springing of described side arch rib is connected with abutment pier by bearing.
The firm structure of described triangle is steel work or the concrete structure or the steel-mixed combining structure of inverted triangle shape, the affixed main arch arch rib of its top one side drift angle, and the affixed side arch rib of opposite side drift angle, bottom drift angle and main pier are affixed.
Two sides of described main arch bridge floor are provided with flexible tie-rod, and the stretch-draw anchor point of described flexible tie-rod is arranged on the affixed some place of main arch arch rib or side arch rib and the firm structure of triangle.Described bearing is the longitudinal sliding motion bearing.Described main arch bridge floor is steel work or steel-mixed combining structure, and described limit arch bridge face is a concrete structure.
In technique scheme, two sides of described limit arch bridge face are provided with rigid tie bar, and the two ends of described rigid tie bar and side arch rib are affixed, and the two ends of described main arch arch rib are affixed with the two ends of main arch bridge floor or discharge constraint and be connected.
The utility model has proposed a kind of three span continuous rigid structure steel arched bridge of novel arch bridge structure form in order to improve the rigidity of structure under equal span condition, to increase main arch, limit span of arch degree and improve the full-bridge stress.The utility model all is designed to the half-through arch with main arch arch rib and side arch rib, therefore efficiently solves prior art restriction limit arch Deck Arch Bridges span and increases, is unfavorable for technological deficiencies such as navigation; By the firm structure of triangle is set main arch arch rib and side arch rib are fixed together, form stable, rational whole force structure body, improved the full bridge structure integral rigidity, make increase main arch and limit span of arch degree become possibility; By the system of optimizing structure, having cancelled prior art is the huge vertical equilibrium load that the flexible tie-rod horizontal force of balance is set up, and makes partial structurtes stressed simple; The flexible tie-rod by the setting of main arch bridge floor and the longitudinal sliding motion bearing at abutment pier place have reduced the uneven horizontal force of main Dun Chu, form of structure by main arch bridge floor, limit arch bridge face not homostasis the unbalanced moment of main pier, finally make the unbalanced moment and the horizontal force of main pier all very little, reduced the Base Design difficulty, save the full bridge structure steel using amount, reduced investment cost; The whole arch that forms three Span Continuous of the utility model is coordinated attractive in appearance in appearance more, is more suitable for incorporating on every side in the view.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model construction view;
Fig. 3 is the utility model bridge exemplary construction schematic diagram;
Fig. 4 three strides self-anchoring type arch bridge structure schematic diagram.
Description of reference numerals:
1-main arch arch rib; The 2-side arch rib; The firm structure of 3-triangle; 4-main arch bridge floor;
5-limit arch bridge face; 6-master's pier; The 7-abutment pier; The 8-bearing;
The 11-suspension rod.
The specific embodiment
Fig. 1 is the utility model structural representation, and Fig. 2 is the utility model construction view.As Fig. 1, shown in Figure 2, the utility model three span continuous rigid structure steel arched bridge comprises main arch arch rib 1, main arch bridge floor 4, side arch rib 2, limit arch bridge face 5, the firm structure 3 of triangle, main pier 6 and abutment pier 7, wherein main arch arch rib 1 and side arch rib 2 are the half-through arch of steel work, main arch arch rib 1 is connected with main arch bridge floor 4 by suspension rod 11, side arch rib 2 is connected with limit arch bridge face 5 by suspension rod 11, and the two ends of the two ends of side arch rib 2 and limit arch bridge face 5 are affixed, the two ends of main arch arch rib 1 are affixed by an end of two firm structures 3 of triangle and two side arch ribs 2 and limit arch bridge face 5 respectively, the main pier of two firm structures 3 of triangle and two 6 is affixed, and the other end of two side arch ribs 2 and limit arch bridge face 5 is connected with two abutment piers 7 by bearing 8.
The utility model technique scheme all is designed to the half-through arch bridge structure with main arch arch rib and side arch rib, and main arch arch rib and side arch rib are fixed together by the firm structure of triangle is set, improved the integral rigidity of full bridge structure, and the span of corresponding increase main arch and limit arch.The firm structure 3 of triangle can be steel work, also can be concrete structure or steel-mixed combining structure, be an inverted triangle shape, and the bottom drift angle and the main pier 6 of the firm structure 3 of triangle are affixed, the affixed main arch arch rib 1 of top one side drift angle, affixed side arch rib 2 of top opposite side drift angle and limit arch bridge face 5.Particularly, the cant beam of the firm structure of triangle 3 both sides is affixed main arch arch rib 1 and side arch rib 2 respectively, the cant beam of top longeron and both sides is affixed, finally make main arch arch rib 1, side arch rib 2, the firm structure 3 of triangle and limit arch bridge face 5 form stable, rational whole force structure body, therefore improve the integral rigidity of full bridge structure, can increase the span of main arch arch rib, side arch rib simultaneously.In practice of construction, the utility model needs the firm structure of construction triangle earlier, balance construction main arch arch rib and main arch bridge floor, side arch rib and limit arch bridge face then.
In technique scheme, two sides of the utility model main arch bridge floor 4 are to having drawn flexible tie-rod, the horizontal thrust that is used for the dead load generation of balance main arch arch rib 1 and main arch bridge floor 4, flexible tie-rod can be high strength steel tow or steel strand, and its stretch-draw anchor point is arranged on the affixed some place of main arch arch rib 1 or side arch rib 2 and the firm structure 3 of triangle.In addition, the bearing 8 that the outside arch springing of the utility model side arch rib 2 is connected with abutment pier 7 is the longitudinal sliding motion bearing, the longitudinal sliding motion bearing makes side arch rib 2 can realize along the horizontal movement of body of a bridge direction at abutment pier 7 places, can discharge side arch rib to the horizontal reacting force that main pier produces, reduce the horizontal thrust of main Dun Chu to greatest extent.Further, the utility model main arch bridge floor 4 can adopt steel work or steel-mixed combining structure, limit arch bridge face 5 then adopts concrete structure, the design concept of this combination construction is in order to make main arch arch rib and main arch bridge floor, side arch rib and limit arch bridge face in a basic balance at main pier 6 places from heavy load, this is optimized structure and has changed the structural system that prior art three is striden arch bridge, correspondingly can reduce flexible tie-rod quantity and horizontal stretching force, limit arch bridge face adopts concrete structure, therefore having cancelled prior art is the huge vertical equilibrium load that the flexible tie-rod horizontal force of balance is set up, and makes partial structurtes stressed simple.Particularly, main arch bridge floor 4 adopts steel-mixed combining structure can alleviate its deadweight, and limit arch bridge face 5 adopts concrete structures both can provide enough ballast loads to come balance main arch bridge floor weight, can save the full bridge structure steel using amount again, reduces investment cost.Flexible tie-rod and the abutment pier place longitudinal sliding motion bearing that the be provided with uneven horizontal force that reduced main Dun Chu of the utility model technique scheme by the stretch-draw of main arch bridge floor, form of structure by main arch bridge floor, limit arch bridge face not homostasis the unbalanced moment of main pier, finally make the unbalanced moment and the horizontal force of main pier all very little, reduced Base Design difficulty and investment cost.
On the technique scheme basis, two sides of the utility model limit arch bridge face 5 are provided with rigid tie bar, and are affixed with the two ends of side arch rib 2, and rigid tie bar can be the concrete edge longeron, form the horizontal longeron system of concrete with concrete edge arch bridge face.In addition, the two ends of the two ends of main arch arch rib 1 and main arch bridge floor 4 can be adopted affixed, also can adopt to discharge constraint and connect, and select according to conditions such as the physical dimension of the rigidity of main pier, main arch bridge floor and bridge force-bearing requirements.
Fig. 3 is the utility model bridge exemplary construction schematic diagram, and the bridge span is B+A+B, A=428m wherein, and B=177m, main arch arch rib 1, side arch rib 2 are affixed with triangle frame 3 respectively; Limit arch bridge face 5 adopts the horizontal longeron system of concrete, is used for balance main arch bridge floor 4 weight, and both sides concrete edge longerons (rigid tie bar) are affixed with side arch rib 2 two ends; At the top of abutment pier 7 longitudinal sliding motion bearing 8 is set; Main arch bridge floor 4 is the horizontal longeron system of steel-mixed bondbeam, and to alleviate the deadweight of main arch bridge floor, it just is connected by suspension rod 11 with main arch arch rib 1, and the flexible tie-rod stretch-draw anchor point of main arch bridge floor 4 both sides is arranged on affixed point 9 places of main arch arch rib 1 and triangle frame 3.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the spirit and scope of technical solutions of the utility model.
Claims (7)
1. three span continuous rigid structure steel arched bridge, the main arch bridge floor that comprises half-through main arch arch rib, is connected with described main arch arch rib by suspension rod, the half-through side arch rib that is positioned at described main arch arch rib two sides, be connected with described side arch rib and the affixed limit arch bridge face in two ends with it by suspension rod, it is characterized in that, described main arch arch rib is connected with the inboard arch springing of described side arch rib by the firm structure of triangle that is fixed on the main pier, and the outside arch springing of described side arch rib is connected with abutment pier by bearing.
2. three span continuous rigid structure steel arched bridge as claimed in claim 1, it is characterized in that the firm structure of described triangle is steel work or the concrete structure or the steel-mixed combining structure of inverted triangle shape, the affixed main arch arch rib of its top one side drift angle, the affixed side arch rib of opposite side drift angle, bottom drift angle and main pier are affixed.
3. three span continuous rigid structure steel arched bridge as claimed in claim 1 is characterized in that, two sides of described main arch bridge floor are provided with flexible tie-rod, and the stretch-draw anchor point of described flexible tie-rod is arranged on the affixed some place of main arch arch rib or side arch rib and the firm structure of triangle.
4. three span continuous rigid structure steel arched bridge as claimed in claim 1 is characterized in that, described bearing is the longitudinal sliding motion bearing.
5. three span continuous rigid structure steel arched bridge as claimed in claim 1 is characterized in that, described main arch bridge floor is steel work or steel-mixed combining structure, and described limit arch bridge face is a concrete structure.
6. as the arbitrary described three span continuous rigid structure steel arched bridge of claim 1～5, it is characterized in that two sides of described limit arch bridge face are provided with rigid tie bar, the two ends of described rigid tie bar and side arch rib are affixed.
7. as the arbitrary described three span continuous rigid structure steel arched bridge of claim 1～5, it is characterized in that the two ends of described main arch arch rib are affixed with the two ends of main arch bridge floor or discharge constraint and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620124499 CN200943181Y (en) | 2006-07-28 | 2006-07-28 | Three span continuous rigid structure steel arched bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620124499 CN200943181Y (en) | 2006-07-28 | 2006-07-28 | Three span continuous rigid structure steel arched bridge |
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| CN200943181Y true CN200943181Y (en) | 2007-09-05 |
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| CN 200620124499 Expired - Lifetime CN200943181Y (en) | 2006-07-28 | 2006-07-28 | Three span continuous rigid structure steel arched bridge |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389271A (en) * | 2014-12-01 | 2015-03-04 | 中铁山桥集团有限公司 | Stiff support for mounting arch feet of concrete-filled steel tube arch rib bridge |
| CN104631303A (en) * | 2015-02-10 | 2015-05-20 | 福建省交通规划设计院 | Single-rib-arch reinforced V-shaped supporting rigid-frame-continuous beam bridge and construction method thereof |
| CN107100094A (en) * | 2017-06-14 | 2017-08-29 | 沈阳建筑大学 | A kind of continuous rigid frame bridge tied arch ruggedized construction and its construction method |
| CN108660903A (en) * | 2018-06-20 | 2018-10-16 | 安徽省交通建设股份有限公司 | CFST Arch Bridge and construction method |
| CN110904813A (en) * | 2019-11-29 | 2020-03-24 | 中铁大桥勘测设计院集团有限公司 | Steel truss arch bridge of longitudinal semi-constrained system |
-
2006
- 2006-07-28 CN CN 200620124499 patent/CN200943181Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389271A (en) * | 2014-12-01 | 2015-03-04 | 中铁山桥集团有限公司 | Stiff support for mounting arch feet of concrete-filled steel tube arch rib bridge |
| CN104389271B (en) * | 2014-12-01 | 2016-05-11 | 中铁山桥集团有限公司 | A kind of steel pipe concrete arch rib bridge arch pin is installed and is used stiffness support |
| CN104631303A (en) * | 2015-02-10 | 2015-05-20 | 福建省交通规划设计院 | Single-rib-arch reinforced V-shaped supporting rigid-frame-continuous beam bridge and construction method thereof |
| CN104631303B (en) * | 2015-02-10 | 2015-12-02 | 福建省交通规划设计院 | A kind of single ribbed arch is put more energy into V-type support rigid-lid hypothesis bridge and construction method thereof |
| CN107100094A (en) * | 2017-06-14 | 2017-08-29 | 沈阳建筑大学 | A kind of continuous rigid frame bridge tied arch ruggedized construction and its construction method |
| CN108660903A (en) * | 2018-06-20 | 2018-10-16 | 安徽省交通建设股份有限公司 | CFST Arch Bridge and construction method |
| CN110904813A (en) * | 2019-11-29 | 2020-03-24 | 中铁大桥勘测设计院集团有限公司 | Steel truss arch bridge of longitudinal semi-constrained system |
| CN110904813B (en) * | 2019-11-29 | 2021-05-18 | 中铁大桥勘测设计院集团有限公司 | Steel truss arch bridge of longitudinal semi-constrained system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070905 |
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| EXPY | Termination of patent right or utility model |