CN105672114A - Opening section top chord and plate-girder combined unit piece provided with same - Google Patents
Opening section top chord and plate-girder combined unit piece provided with same Download PDFInfo
- Publication number
- CN105672114A CN105672114A CN201610046212.2A CN201610046212A CN105672114A CN 105672114 A CN105672114 A CN 105672114A CN 201610046212 A CN201610046212 A CN 201610046212A CN 105672114 A CN105672114 A CN 105672114A
- Authority
- CN
- China
- Prior art keywords
- opening section
- top boom
- top chord
- section top
- 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.)
- Pending
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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
- E01D12/00—Bridges characterised by a combination of structures not covered as a whole by a single one of groups E01D2/00 - E01D11/00
Abstract
The invention discloses an opening section top chord and a plate-girder combined unit piece provided with the same and relates to the field of bridge design and construction. The opening section top chord comprises a top chord top plate, top chord bottom plates and top chord vertical plates. An opening is formed in the bottom of the opening section top chord, and the opening section top chord is located in an upper steel bridge surface of a bridge. The two top chord bottom plates and the two top chord vertical plates are symmetrically arranged on the two sides of the opening section top chord. The opening section top chord bottom plates are arranged outside the two top chord vertical plates. The top chord is provided with the opening section, so that installation, manufacturing and maintenance are facilitated. The plate-girder combined unit piece provided with the opening section top chord comprises the opening section top chord and a side bridge surface connected with the opening section top chord, and the opening section top chord and the side bridge surface are manufactured integrally. The plate-girder combined unit piece is manufactured and installed integrally, the manufacturing and installation difficulty of the component is reduced, and inspection and maintenance of bridge decks and stiffening ribs are facilitated.
Description
Technical field
The present invention relates to Bridge Design and construction field, be specifically related to a kind of opening section top boom and there is the plate girder assembled unit part of opening section top boom.
Background technology
Along with China railways, highway, traffic fast development. In order to save bridge location, protection environment, increasing economic efficiency, there is the trend increased, span increases in double-deck road-cum-rail bridge, double-deck city, highway bridge. In different types of rridges structure, adopt the Plate-truss Composite Structure beam of overall steel bridge floor to well adapting to property of double deck. Current road-cum-rail bridge main truss chord member all adopts box section.
In recent years, highway bridge presents the trend that standard improves, width strengthens. There is the situation of railway, highway bridge different widths great disparity in combined bridge. Traditional chord member is arranged in the mode at Steel Bridge Deck edge, upper strata Steel Bridge Deck horizontal span can be made excessive, it is necessary to arrange, at per pass crossbeam place, steelframe of putting more energy into specially, and rolled steel dosage increases, and vision is mixed and disorderly. Traditional box section chord member inner space is narrow and small, is arranged in inside the Steel Bridge Deck of upper strata and can bring manufacture, installation difficulty, and makes Steel Bridge Deck longitudinal rib in top boom be difficult to safeguard and maintenance. Adopting the Plate-truss Composite Structure of conventional boxes tee section top boom, its upper deck of bridge system and top boom manufacture respectively, in-site installation, and shortcoming is that installation workload is big, and structure precision is poor.
Summary of the invention
For the defect existed in prior art, it is an object of the invention to provide a kind of maintenance simple, it is easy to the opening section top boom of maintenance.
For reaching object above, the present invention adopts the technical scheme that:
A kind of opening section top boom, comprising: the two top boom risers being parallel to each other, described in two, top boom riser upper end is provided with top boom top board, and top boom riser bottom outside described in two is provided with top boom base plate, is provided with opening bottom described opening section top boom.
On the basis of technique scheme, described top boom top board is provided with longitudinal stiffener.
On the basis of technique scheme, described longitudinal stiffener is U-shaped ribbed stiffener.
On the basis of technique scheme, two described top boom risers are equipped with a rib of slab.
For the technical problem existed in prior art, it is an object of the invention to provide the plate girder assembled unit part with opening section top boom that a kind of entirety manufactures, is easily installed, structure precision is high.
A kind of plate girder assembled unit part with described opening section top boom, described plate girder assembled unit part includes described opening section top boom and the limit bridge floor being connected with described opening section top boom, and described opening section top boom manufactures with described limit bridge floor entirety.
Compared with prior art, it is an advantage of the current invention that:
(1) a kind of opening section top boom of the present invention adopts opening section, it is simple to installs, manufacture and maintenance.
(2) opening section top boom and limit bridge floor entirety are manufactured by the plate girder assembled unit part of the present invention, decrease the unit piece quantity of bridge structure, simplify construction procedure.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of opening section top boom in the embodiment of the present invention;
Fig. 2 is plate girder assembled unit part structural representation of the present invention;
Fig. 3 is a kind of opening section top boom and have the structural representation when plate girder assembled unit part of opening section top boom is installed and used in the embodiment of the present invention.
In figure: 1-top boom, 2-upper deck of bridge system, 3-top boom top board, 4-longitudinal stiffener, 5-top boom base plate, 6-top boom riser, 7-rib of slab, bridge floor in the middle of 8-, 11-plate girder assembled unit part, 12-limit bridge floor.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Shown in Figure 1, the embodiment of the present invention provides a kind of opening section top boom, and including the two top boom risers 6 being parallel to each other, two top boom riser 6 upper ends are provided with top boom top board 3, two top boom riser 6 bottom outside are provided with top boom base plate 5, are provided with opening bottom opening section top boom 1. Opening section top boom 1 of the present invention differs greatly for levels bridge deck width and designs, and adopts opening section, it is simple to the maintenance of Steel Bridge Deck and maintenance; Opening section top boom 1 being arranged in upper deck of bridge system 2 internal, make upper deck of bridge horizontal span reduce on the one hand, stress is more reasonable, on the other hand, it is not necessary to arrange steelframe of putting more energy into specially at per pass crossbeam place, saves rolled steel dosage, constructs succinctly attractive in appearance.
Opening section top boom top board 3 is provided with longitudinal stiffener 4; It is furthermore preferred that longitudinal stiffener 4 is U-shaped ribbed stiffener, so more meeting the construction features of driveway scope floorings, stress is more reasonable, meets bridge functional requirement in intensity, and rationally distributed.
Two top boom risers 6 are equipped with a rib of slab 7, and rib of slab 7 strengthens the longitudinal rigidity of opening section top boom 1, so as to have loading characteristic and the intensity of the longeron of upper deck of bridge system 2.
Shown in Figure 2, a kind of plate girder assembled unit part with opening section top boom, plate girder assembled unit part 11 includes opening section top boom 1 and the limit bridge floor 12 being connected with opening section top boom 1, and opening section top boom 1 manufacture overall with limit bridge floor 12, there is enough horizontal, vertical rigidity in such upper deck of bridge system 2, no matter construct or become the bridge stage to be respectively provided with good stress performance, reducing the manufacture installation difficulty of component, it is simple to the maintenance and inspection of floorings and ribbed stiffener simultaneously. Owing to opening section top boom 1 and limit bridge floor 12 are made one by plate girder assembled unit part 11, upper deck of bridge system 2 is reduced to three pieces from the five of prior art pieces of assembly, so not only reduces the structural member quantity of bridge truss, also simplify construction procedure.Owing to plate girder assembled unit part 11 all parts manufactures factory is just overall, transport to job site just can installation immediately, decrease installation workload, and improve constructing structure precision, it is ensured that the quality of bridge construction.
Opening section top boom shown in Figure 3 and there is the structural representation when plate girder assembled unit part of opening section top boom is installed and used, the middle end face of bridge floor 8, limit bridge floor 12, plate girder assembled unit part 11 are collectively forming upper deck of bridge system 2, opening section top boom 1 and the limit bridge floor 12 being connected with opening section top boom 1 is included due to plate girder assembled unit part 11, and opening section top boom 1 is made in one piece with limit bridge floor 12, only need at middle 8 liang of side connecting plate purlin assembled unit parts 11 of bridge floor during construction.
The present invention is not limited to above-mentioned embodiment, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, and these improvements and modifications are also considered as within protection scope of the present invention. The content not being described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.
Claims (5)
1. an opening section top boom, it is characterized in that, comprising: the two top boom risers (6) being parallel to each other, described in two, top boom riser (6) upper end is provided with top boom top board (3), top boom riser (6) bottom outside described in two is provided with top boom base plate (5), and described opening section top boom (1) bottom is provided with opening.
2. a kind of opening section top boom as claimed in claim 1, it is characterised in that: described top boom top board (3) is provided with longitudinal stiffener (4).
3. a kind of opening section top boom as claimed in claim 2, it is characterised in that: described longitudinal stiffener (4) is U-shaped ribbed stiffener.
4. a kind of opening section top boom as claimed in claim 1, it is characterised in that: two described top boom risers (6) are equipped with a rib of slab (7).
5. the plate girder assembled unit part of the opening section top boom that a kind has described in claim 1, it is characterized in that: described plate girder assembled unit part (11) includes described opening section top boom (1) and the limit bridge floor (12) being connected with described opening section top boom (1) and described opening section top boom (1) manufacture overall with described limit bridge floor (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610046212.2A CN105672114A (en) | 2016-01-22 | 2016-01-22 | Opening section top chord and plate-girder combined unit piece provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610046212.2A CN105672114A (en) | 2016-01-22 | 2016-01-22 | Opening section top chord and plate-girder combined unit piece provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105672114A true CN105672114A (en) | 2016-06-15 |
Family
ID=56302421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610046212.2A Pending CN105672114A (en) | 2016-01-22 | 2016-01-22 | Opening section top chord and plate-girder combined unit piece provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105672114A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008025221A (en) * | 2006-07-21 | 2008-02-07 | Hazama Corp | Elevated structure constructed by jointing pier stud of pc structure and steel box girder together |
| CN101550676A (en) * | 2009-04-29 | 2009-10-07 | 中铁大桥勘测设计院有限公司 | High-speed railway orthotropic slab integral steel deck construction |
| CN101550674A (en) * | 2009-04-29 | 2009-10-07 | 中铁大桥勘测设计院有限公司 | Bridge of steel truss-concrete and construction method thereof |
| CN201634995U (en) * | 2010-01-29 | 2010-11-17 | 中铁大桥勘测设计院有限公司 | Multiple rib box-type rod piece for steel truss girder |
| CN103374878A (en) * | 2012-04-24 | 2013-10-30 | 上海市政工程设计研究总院（集团）有限公司 | Cable-stayed bridge cable force transfer structure of steel truss with reversed trapezoid section |
-
2016
- 2016-01-22 CN CN201610046212.2A patent/CN105672114A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008025221A (en) * | 2006-07-21 | 2008-02-07 | Hazama Corp | Elevated structure constructed by jointing pier stud of pc structure and steel box girder together |
| CN101550676A (en) * | 2009-04-29 | 2009-10-07 | 中铁大桥勘测设计院有限公司 | High-speed railway orthotropic slab integral steel deck construction |
| CN101550674A (en) * | 2009-04-29 | 2009-10-07 | 中铁大桥勘测设计院有限公司 | Bridge of steel truss-concrete and construction method thereof |
| CN201634995U (en) * | 2010-01-29 | 2010-11-17 | 中铁大桥勘测设计院有限公司 | Multiple rib box-type rod piece for steel truss girder |
| CN103374878A (en) * | 2012-04-24 | 2013-10-30 | 上海市政工程设计研究总院（集团）有限公司 | Cable-stayed bridge cable force transfer structure of steel truss with reversed trapezoid section |
Non-Patent Citations (1)
| Title |
|---|
| 张晓勇等: ""公安长江公铁两用大桥主桥钢梁设计"，张晓勇等，中国铁路，第3期，第61页-第65页", 《中国铁路》 * |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160615 |