CN105484146B - Steel truss reinforced concrete V structures arch bridge and its construction method - Google Patents
Steel truss reinforced concrete V structures arch bridge and its construction method Download PDFInfo
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- CN105484146B CN105484146B CN201511022701.6A CN201511022701A CN105484146B CN 105484146 B CN105484146 B CN 105484146B CN 201511022701 A CN201511022701 A CN 201511022701A CN 105484146 B CN105484146 B CN 105484146B
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- 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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/268—Composite concrete-metal
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of steel truss reinforced concrete V structures arch bridge and its construction method, the beam bridge includes two abutment piers provided with abutment pier basis, two middle piers and bridge deck provided with middle pier foundation；Methods described includes all basic and middle pier foundations of abutment pier of constructing.The present invention is combined general concrete V structures arch and steel truss clever structure, across using concrete V structures arch in end bay and part, in use steel box-girder across girder, put more energy into using steel truss on upper strata, bridge structure height can be reduced, bridge type is elegant in appearance, complete function, with good Technical Economy.
Description
Technical field
The present invention relates to a kind of concrete arch-type bridge, specially a kind of steel truss reinforced concrete V structures arch bridge and its construction method.
Background technology
In existing bridge structure, concrete V structures arch bridge has stronger span ability, and reasonable ratio of rise to span is general 1/
4.0~1/5.5, in order that structure stress is rationally, general span is bigger, and structure height is higher.But, in bridge structure height
During the work point being restricted, the advantage of the stronger span ability of existing concrete V structure arch bridges is just difficult to embody.
The content of the invention
In order to solve the above technical problems, the present invention, which provides one kind, can reduce bridge structure height, bridge type is elegant in appearance
Steel truss reinforced concrete V structure arch bridges, it is achieved through the following technical solutions：
A kind of steel truss reinforced concrete V structure arch bridges, including two provided with abutment pier basis 2 abutment pier 1, two be provided with middle pier base
The middle pier 3 and bridge deck of plinth 4, described two abutment piers 1 are located at pontic two ends respectively, and described two middle piers 3 are located at two abutment piers 1
Between, the bridge deck include two concrete arched girders 5 and between two concrete arched girders 5 in across steel box-girder 6, it is described
Concrete arched girder 5 is arranged on abutment pier 1 and middle pier 3, and the bridge deck is provided with steel truss stiffened portion 7, the steel truss stiffened portion 7
Between two middle piers 3, and two ends are respectively facing the outside bridge deck direction extension of each middle pier.
Further, the concrete arched girder 5 is shaped as V-type arched girder.
Further, one end of the concrete arched girder 5 is located on abutment pier 1, and the V-type minimum point of the concrete arched girder 5 is set
On middle pier 3, the other end of the concrete arched girder 5 is connected with across steel box-girder 6.
Further, the steel truss stiffened portion 7 is steel truss girder.
Further, one end of the concrete arched girder 5 is provided with middle span 51, and the middle span 51 is with the V of concrete arched girder 5
Type minimum point extends as starting point to bridge center position, and terminal is used as across one end of steel box-girder 6 in extending to.
The construction method of described steel truss reinforced concrete V structure arch bridges comprises the following steps：
Step 1, the abutment pier basis 2 for constructing all and middle pier foundation 4；
Step 2, construction temporary steel buttress, then construct abutment pier 1 and middle pier 3；
Step 3, two concrete arched girders 5 of construction, across steel box-girder 6 in being lifted using Bridge Erector, are spelled using Bridge Erector burst
Assembling steel truss stiffened portion 7 is connect, steel truss is lifted by cross, and assembled；
Step 4, temporary steel buttress is removed, deck paving Cheng Qiao is carried out.
Further, the length of span 51, that is, determine concrete arch in being determined in the step 3 before construction concrete arched girder 5
Beam cut off 511.
Further, determine that concrete arched girder cut off 511 comprises the following steps：
Step 31, according to the bridge of existing similar span, span length in the concrete arched girder of this bridge type is chosen；
Step 32, according to the stressing conditions of girder, avoid the larger position of moment of flexure and choose concrete arched girder cut off 511；
Step 33, FEM model is set up, above-mentioned model is calculated, concrete arched girder size is determined, makes it every
Index meets code requirement.
The invention has the advantages that：
By combining for general concrete V structures arch and steel truss clever structure, across using coagulation in end bay and part
Native V structures arch, in use steel box-girder across girder, upper strata is put more energy into using steel truss, can reduce bridge structure height, and bridge type is attractive in appearance big
Side, complete function, with good Technical Economy.
Brief description of the drawings
Fig. 1 is structural representation of the invention
Fig. 2 is across steel box-girder schematic cross-section in the present invention
Fig. 3 is concrete arch beam section schematic diagram of the present invention
Embodiment
Below in conjunction with the accompanying drawings and embodiment further illustrates the present invention.
A kind of steel truss reinforced concrete V structure arch bridges, including two provided with abutment pier basis 2 abutment pier 1, two be provided with middle pier base
The middle pier 3 and bridge deck of plinth 4, described two abutment piers 1 are located at pontic two ends respectively, and described two middle piers 3 are located at two abutment piers 1
Between, the bridge deck include two concrete arched girders 5 and between two concrete arched girders 5 in across steel box-girder 6, it is described
Concrete arched girder 5 is arranged on abutment pier 1 and middle pier 3, and the bridge deck is provided with steel truss stiffened portion 7, the steel truss stiffened portion 7
Between two middle piers 3, and two ends are respectively facing the outside bridge deck direction extension of each middle pier.
One end of the concrete arched girder 5 is located on abutment pier 1, and the V-type minimum point of the concrete arched girder 5 is located at middle pier 3
On, the other end of the concrete arched girder 5 is connected with across steel box-girder 6.
The steel truss stiffened portion 7 is steel truss girder.One end of the concrete arched girder 5 is provided with middle span 51, the middle span
51 extend using the V-type minimum point of concrete arched girder 5 as starting point to bridge center position, make in extending to across one end of steel box-girder 6
For terminal.
The construction method of described steel truss reinforced concrete V structure arch bridges comprises the following steps：
Step 1, the abutment pier basis 2 for constructing all and middle pier foundation 4；
Step 2, construction temporary steel buttress, then construct abutment pier 1 and middle pier 3；
Step 3, two concrete arched girders 5 of construction, across steel box-girder 6 in being lifted using Bridge Erector, are spelled using Bridge Erector burst
Assembling steel truss stiffened portion 7 is connect, steel truss is lifted by cross, and assembled；
Step 4, temporary steel buttress is removed, deck paving Cheng Qiao is carried out.
Determine that concrete arched girder cut off 511 comprises the following steps：
Step 31, according to the bridge of existing similar span, span length in the concrete arched girder of this bridge type is chosen；
Step 32, according to the stressing conditions of girder, avoid the larger position of moment of flexure and choose concrete arched girder cut off 511；
Step 33, FEM model is set up, above-mentioned model is calculated, concrete arched girder size is determined, makes it every
Index meets code requirement.
The present invention combines traditional V structures arch with steel truss structure.Lower floor's across steel case with using concrete arched girder 5
Beam 6, with stronger span ability；Upper strata sets steel truss stiffened portion 7, can reduce bridge structure height；Levels are engaged,
An organic whole is formed, compared with general concrete V structure arch bridges, the present invention not only has stronger span ability, and
And bridge depth of beam is reduced, with good Technical Economy.
Claims (8)
1. a kind of steel truss reinforced concrete V structure arch bridges, including two abutment piers (1) provided with abutment pier basic (2), two be provided with middle pier
The middle pier (3) and bridge deck of basic (4), described two abutment piers (1) are located at pontic two ends, described two middle pier (3) positions respectively
Between two abutment piers (1), it is characterised in that：The bridge deck includes two concrete arched girders (5) and positioned at two concrete
Across steel box-girder (6) between arched girder (5), the concrete arched girder (5) is arranged on abutment pier (1) He Zhongdun (3), the bridge floor
Fasten provided with steel truss stiffened portion (7), the steel truss stiffened portion (7) is located between two middle piers (3), and two ends are respectively facing often
The outside bridge deck direction extension of individual middle pier；The concrete arched girder (5) is shaped as V-type arched girder；The concrete arched girder (5)
Itself continuous one is V-shaped, is supported directly upon the middle pier (3).
2. steel truss reinforced concrete V structure arch bridges according to claim 1, it is characterised in that：The concrete arched girder (5)
One end is located on abutment pier (1), and the V-type minimum point of the concrete arched girder (5) is located on middle pier (3), the concrete arched girder (5)
The other end be connected with across steel box-girder (6).
3. steel truss reinforced concrete V structure arch bridges according to claim 1, it is characterised in that：The steel truss stiffened portion (7) is
Steel truss girder.
4. steel truss reinforced concrete V structure arch bridges according to claim 1 or 2, it is characterised in that：The concrete arched girder
(5) one end is provided with span (51) in middle span (51), the concrete arched girder and made with the V-type minimum point of concrete arched girder (5)
Extend for starting point to bridge center position, terminal is used as across one end of steel box-girder (6) in extending to.
5. the construction method of the steel truss reinforced concrete V structure arch bridges according to claim any one of 1-3, it is characterised in that bag
Include following steps：
Step 1, the abutment piers basis (2) for constructing all and middle pier foundation (4)；
Step 2, construction temporary steel buttress, then construct abutment pier (1) and middle pier (3)；
Step 3, two concrete arched girders (5) of construction, across steel box-girder (6) in being lifted using Bridge Erector, are spelled using Bridge Erector burst
Assembling steel truss stiffened portion (7) is connect, steel truss is lifted by cross, and assembled；
Step 4, temporary steel buttress is removed, deck paving Cheng Qiao is carried out.
6. the construction method of steel truss reinforced concrete V structure arch bridges according to claim 4, it is characterised in that including following step
Suddenly：
Step 1, the abutment piers basis (2) for constructing all and middle pier foundation (4)；
Step 2, construction temporary steel buttress, then construct abutment pier (1) and middle pier (3)；
Step 3, two concrete arched girders (5) of construction, across steel box-girder (6) in being lifted using Bridge Erector, are spelled using Bridge Erector burst
Assembling steel truss stiffened portion (7) is connect, steel truss is lifted by cross, and assembled；
Step 4, temporary steel buttress is removed, deck paving Cheng Qiao is carried out.
7. the construction method of steel truss reinforced concrete V structure arch bridges according to claim 6, it is characterised in that：The step 3
The length of span (51) in concrete arched girder is determined before middle construction concrete arched girder (5), that is, determines concrete arched girder cut off
(511)。
8. the construction method of steel truss reinforced concrete V structure arch bridges according to claim 7, it is characterised in that determine coagulation
Native arched girder cut off (511) comprises the following steps：
Step 31, according to the bridge of existing similar span, span length in the concrete arched girder of this bridge type is chosen；
Step 32, according to the stressing conditions of girder, avoid the larger position of moment of flexure and choose concrete arched girder cut off 511；
Step 33, FEM model is set up, above-mentioned model is calculated, concrete arched girder size is determined, makes its indices
Meet code requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201511022701.6A CN105484146B (en) | 2015-12-30 | 2015-12-30 | Steel truss reinforced concrete V structures arch bridge and its construction method |
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| CN201511022701.6A CN105484146B (en) | 2015-12-30 | 2015-12-30 | Steel truss reinforced concrete V structures arch bridge and its construction method |
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| CN105484146A CN105484146A (en) | 2016-04-13 |
| CN105484146B true CN105484146B (en) | 2017-11-07 |
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| CN111764252A (en) * | 2020-07-23 | 2020-10-13 | 中铁第四勘察设计院集团有限公司 | Box and truss combined mixed beam cable-stayed bridge |
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| JP2002201609A (en) * | 2000-12-28 | 2002-07-19 | Ps Corp | Construction method for concrete arch bridge |
| CN201155080Y (en) * | 2008-02-14 | 2008-11-26 | 黄诚 | Large-span V-shaped continuous rigid frame bridge |
| CN202347431U (en) * | 2011-12-19 | 2012-07-25 | 上海市城市建设设计研究总院 | Structure for achieving large-span V-shaped mound continuous rigid frame bridge |
| KR20130053211A (en) * | 2011-11-15 | 2013-05-23 | 주식회사 포스코 | Connection structure of complex girder of continuous bridge |
| CN103437274A (en) * | 2013-09-09 | 2013-12-11 | 中铁第一勘察设计院集团有限公司 | Bridge structure with combination of stiffening steel truss and concrete beam |
| CN103758023A (en) * | 2014-01-23 | 2014-04-30 | 长沙理工大学 | Prestressed concrete and steel truss mixed continuous rigid frame bridge and construction method thereof |
| 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 |
| CN205347959U (en) * | 2015-12-30 | 2016-06-29 | 中铁第四勘察设计院集团有限公司 | Put more energy into concrete V and construct arched bridge in steel purlin |
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2015
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Patent Citations (8)
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| JP2002201609A (en) * | 2000-12-28 | 2002-07-19 | Ps Corp | Construction method for concrete arch bridge |
| CN201155080Y (en) * | 2008-02-14 | 2008-11-26 | 黄诚 | Large-span V-shaped continuous rigid frame bridge |
| KR20130053211A (en) * | 2011-11-15 | 2013-05-23 | 주식회사 포스코 | Connection structure of complex girder of continuous bridge |
| CN202347431U (en) * | 2011-12-19 | 2012-07-25 | 上海市城市建设设计研究总院 | Structure for achieving large-span V-shaped mound continuous rigid frame bridge |
| CN103437274A (en) * | 2013-09-09 | 2013-12-11 | 中铁第一勘察设计院集团有限公司 | Bridge structure with combination of stiffening steel truss and concrete beam |
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