CN104695316B - Beam lattice system lower bearing arch bridge - Google Patents
Beam lattice system lower bearing arch bridge Download PDFInfo
- Publication number
- CN104695316B CN104695316B CN201510129554.6A CN201510129554A CN104695316B CN 104695316 B CN104695316 B CN 104695316B CN 201510129554 A CN201510129554 A CN 201510129554A CN 104695316 B CN104695316 B CN 104695316B
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- CN
- China
- Prior art keywords
- limit
- arch
- bridge deck
- gridiron
- bridge
- 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.)
- Expired - Fee Related
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D4/00—Arch-type bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of beam lattice system lower bearing arch bridge, including arch springing, arch rib, suspension rod and bridge deck, described arch rib connects adjacent two arch springings, described bridge deck is supported on arch springing, described suspension rod top is hung under arch rib, bottom is hung in bridge deck, described bridge deck include gridiron and be positioned on gridiron and with its one moulding by casting floorings, described gridiron includes Liang Ge limit, limit crossbeam, two limit longerons, it is distributed in the multiple middle cross beams between two limit crossbeams and the multiple middle longeron being distributed between two limit longerons, the two ends of described limit crossbeam and middle cross beam are provided with the suspension centre of suspension rod to deserving to be called.Bridge system structure uses the gridiron that beam in length and breadth has just connect, and has rigidity longeron to be connected between suspension rod and each suspension centre of bridge deck, enables the common uniform stressed of each suspension centre, improve the anti-fatigue performance of structure, primary structure member is whole gridiron, makes structure stress uniform, and globality is good.
Description
Technical field
The present invention relates to a kind of arch bridge, particularly to a kind of beam lattice system lower bearing arch bridge.
Background technology
Beam lattice system lower bearing arch bridge bridge deck is divided into integral main girder form and floating form.Integral main girder form is main
For Beam-Arch Combined Bridge for Its, bridge system structure is generally box girder；Floating form bridge deck, downrod lower end
Hanging crossbeam, floorings freely-supported or be supported in continuously on crossbeam, is the main bridge deck shape of beam lattice system lower bearing arch bridge
Formula.
Shortcoming: the bridge deck of floating system during long-term loading and unloading, suspension rod, bridge system structure etc. due to
Fatigue effect, live loading reverse cyclic loadings, cause suspension rod fatigue rupture to ultimately cause Hangers failure.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of beam lattice system lower bearing arch bridge,.
The beam lattice system lower bearing arch bridge of the present invention, including arch springing, arch rib, suspension rod and bridge deck, described arch rib is even
Connecing adjacent two arch springings, described bridge deck is supported on arch springing, and described suspension rod top is hung under arch rib, and bottom is hung
In bridge deck, described bridge deck include gridiron and be positioned on gridiron and with its one moulding by casting
Floorings, described gridiron includes Liang Ge limit, limit crossbeam, two limit longerons, is distributed between two limit crossbeams
Multiple middle cross beams and the multiple middle longeron that is distributed between two limit longerons, described limit crossbeam and the two of middle cross beam
End is to deserving to be called the suspension centre being provided with suspension rod.
Further, the two ends of wherein the middle cross beam extend out to the connection of the outside of floorings, described suspension rod and bridge deck
Point is positioned at middle cross beam and extend out in the part outside floorings.
Further, in described limit crossbeam, limit longeron, middle cross beam and middle longeron, it is equipped with I-steel reinforcing bar, described
It is bolted between limit crossbeam, limit longeron, middle cross beam and the I-steel reinforcing bar of middle longeron intersection.
Beneficial effects of the present invention: the beam lattice system lower bearing arch bridge of the present invention, including arch springing, arch rib, suspension rod and
Bridge deck, described arch rib connects adjacent two arch springings, and described bridge deck is supported on arch springing, described suspension rod top
Hanging under arch rib, bottom is hung in bridge deck, and described bridge deck includes gridiron and is positioned on gridiron also
With the floorings of its one moulding by casting, described gridiron includes Liang Ge limit, limit crossbeam, two limit longerons, all
It is distributed in the multiple middle cross beams between two limit crossbeams and the multiple middle longeron being distributed between two limit longerons, described
The two ends of limit crossbeam and middle cross beam are provided with the suspension centre of suspension rod to deserving to be called.Bridge system structure uses the beam that beam in length and breadth has just connect
Lattice structure, has rigidity longeron to be connected between suspension rod and each suspension centre of bridge deck, enable each suspension centre to be the most uniformly subject to
Power, improves the anti-fatigue performance of structure, and primary structure member is whole gridiron, makes structure stress uniform, overall
Property is good.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the elevation of the present invention；
Fig. 2 is the partial top view (omission floorings) of the present invention.
Detailed description of the invention
Below with reference to accompanying drawing, the present invention is described in detail, as shown in the figure: holds under the beam lattice system of the present embodiment
Formula arch bridge, including arch springing 1, arch rib 2, suspension rod 3 and bridge deck 4, described arch rib 2 connects adjacent two arches
Foot, described suspension rod 3 top hangs in arch rib 2 times, and bottom is hung in bridge deck 4, and described bridge deck includes beam lattice
Structure 41 and be positioned on gridiron and with the floorings 42 of its one moulding by casting, described gridiron 41
Including 411, two limit longerons 412 of Liang Ge limit, limit crossbeam, multiple middle cross beams of being distributed between two limit crossbeams
413 and the multiple middle longeron 414 that is distributed between two limit longerons, the two ends of said two limit crossbeam 411 are propped up
Support is on arch springing 1.Bridge system structure uses each suspension centre of the gridiron that beam in length and breadth has just connect, suspension rod and bridge deck
Between have rigidity longeron (limit longeron and middle longeron) to connect, enable the common uniform stressed of each suspension centre, improve knot
The anti-fatigue performance of structure, primary structure member is whole gridiron, makes structure stress uniform, and globality is good.
As the further improvement of technique scheme, the two ends of wherein the middle cross beam 413 extend out to floorings 42
Outside, described suspension rod 3 is positioned at, with the junction point 5 of bridge deck, the part that middle cross beam 413 extend out to outside floorings
On.The bottom suspension centre of suspension rod 3 i.e. junction point 5 with bridge deck is positioned on middle cross beam 413 so that whole suspension rod
3 and bridge deck entirety stress more equalize, even if after the fracture of indivedual suspension rod 3, bridge deck entirety remains to by very well
Pulling force control, other suspension rods also will not rupture because of the tilting moment by bridge deck.
Further, it is equipped with in described limit crossbeam 411, limit longeron 412, middle cross beam 413 and middle longeron 414
I-steel reinforcing bar 6, described limit crossbeam 411, limit longeron 412, middle cross beam 413 and middle longeron 414 intersection
I-steel reinforcing bar between be bolted.First each I-steel reinforcing bar 6 is got up by bolt-connection, shape
Become beam trellis, then with floorings in one concreting, easy construction, it is simple to pour, because I-steel
Reinforcing bar can improve concrete formation efficiency.Meanwhile, I-steel reinforcing bar can improve the rigidity of gridiron, makes
Structure stress is uniform.
Finally illustrating, above example is only in order to illustrate technical scheme and unrestricted, although ginseng
According to preferred embodiment, the present invention is described in detail, it will be understood by those within the art that, permissible
Technical scheme is modified or equivalent, without deviating from technical solution of the present invention objective and
Scope, it all should be contained in the middle of scope of the presently claimed invention.
Claims (2)
1. a beam lattice system lower bearing arch bridge, including arch springing (1), arch rib (2), suspension rod (3) and bridge deck
(4), described arch rib (2) connects adjacent two arch springings, and described bridge deck (4) is supported on arch springing (1),
Described suspension rod (3) top is hung under arch rib (2), and bottom is hung in bridge deck (4), described bridge deck bag
Include gridiron (41) and be positioned on gridiron and with the floorings (42) of one body concrete moulding by casting,
Described gridiron (41) includes Liang Ge limit, limit crossbeam (411), two limit longerons (412), is distributed in two
Multiple middle cross beams (413) between the crossbeam of limit and the multiple middle longeron (414) being distributed between two limit longerons,
The two ends on said two limit crossbeam (411) are supported on arch springing (1), it is characterised in that: wherein the middle cross beam (413)
Two ends extend out to the outside of floorings (42), described suspension rod (3) is positioned at the junction point (5) of bridge deck
Middle cross beam (413) extend out in the part outside floorings.
Beam the most according to claim 1 lattice system lower bearing arch bridge, it is characterised in that: described limit crossbeam (411),
I-steel reinforcing bar (6) it is equipped with in limit longeron (412), middle cross beam (413) and middle longeron (414), described
Limit crossbeam (411), limit longeron (412), middle cross beam (413) and the I-steel of middle longeron (414) intersection
It is bolted between reinforcing bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510129554.6A CN104695316B (en) | 2015-03-24 | 2015-03-24 | Beam lattice system lower bearing arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510129554.6A CN104695316B (en) | 2015-03-24 | 2015-03-24 | Beam lattice system lower bearing arch bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104695316A CN104695316A (en) | 2015-06-10 |
| CN104695316B true CN104695316B (en) | 2016-10-05 |
Family
ID=53342832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510129554.6A Expired - Fee Related CN104695316B (en) | 2015-03-24 | 2015-03-24 | Beam lattice system lower bearing arch bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104695316B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401513A (en) * | 2015-10-22 | 2016-03-16 | 绍兴文理学院 | Simply supported girder bridge structure formed by combining I-shaped steel girders and hybrid fiber concrete bridge decks |
| CN111560834B (en) * | 2020-04-30 | 2022-03-15 | 中交路桥华南工程有限公司 | Arch bridge steel longitudinal and transverse beam system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5713747B2 (en) * | 2010-03-24 | 2015-05-07 | 戸田建設株式会社 | Three-dimensional viaduct structure and its construction method |
| CN201671050U (en) * | 2010-05-19 | 2010-12-15 | 中铁二十局集团有限公司 | Through tie bar rigid frame arch bridge of inter-city express railway |
| CN202347430U (en) * | 2011-10-18 | 2012-07-25 | 中铁大桥勘测设计院集团有限公司 | Suspender anchoring structure for double-deck arch bridge |
| CN104358208B (en) * | 2014-11-05 | 2016-05-11 | 中交第一公路勘察设计研究院有限公司 | Without longeron half-through arch bridge safe early warning girder construction and method for early warning thereof |
| CN204509973U (en) * | 2015-03-24 | 2015-07-29 | 招商局重庆交通科研设计院有限公司 | Novel beam lattice system lower bearing arch bridge |
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2015
- 2015-03-24 CN CN201510129554.6A patent/CN104695316B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104695316A (en) | 2015-06-10 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Xiaohui Inventor after: Wang Fenghua Inventor after: Liu Kang Inventor after: Yi Hui Inventor after: Yu Changhao Inventor after: Wang Yili Inventor after: Wu Jiaomei Inventor before: Liu Xiaohui Inventor before: Zhang Changqing Inventor before: Yi Hui Inventor before: Li Jun Inventor before: Su Jiannan Inventor before: Gan Lu Inventor before: Wang Yili |
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| COR | Change of bibliographic data | ||
| 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: 20161005 Termination date: 20190324 |