CN110453585A - A kind of bridge structure of large span freely-supported Steel truss structure in conjunction with Frame Pier - Google Patents
A kind of bridge structure of large span freely-supported Steel truss structure in conjunction with Frame Pier Download PDFInfo
- Publication number
- CN110453585A CN110453585A CN201910731444.5A CN201910731444A CN110453585A CN 110453585 A CN110453585 A CN 110453585A CN 201910731444 A CN201910731444 A CN 201910731444A CN 110453585 A CN110453585 A CN 110453585A
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- Prior art keywords
- pier
- steel truss
- frame
- girder
- support
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- 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.)
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Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 79
- 239000010959 steel Substances 0.000 title claims abstract description 79
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 230000010485 coping Effects 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 235000008957 cocaer Nutrition 0.000 claims description 3
- ZPUCINDJVBIVPJ-LJISPDSOSA-N cocaine Chemical compound O([C@H]1C[C@@H]2CC[C@@H](N2C)[C@H]1C(=O)OC)C(=O)C1=CC=CC=C1 ZPUCINDJVBIVPJ-LJISPDSOSA-N 0.000 claims description 3
- 239000004567 concrete Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 240000006890 Erythroxylum coca Species 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000035699 permeability Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 241000735552 Erythroxylum Species 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D1/00—Bridges in general
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
Abstract
A kind of bridge structure of large span freely-supported Steel truss structure in conjunction with Frame Pier, with girder, bridge pier, support composition, girder is arranged on the support of pier coping portion, girder is arranged on existing line, the girder is steel truss girder, the steel truss girder at least two, bridge pier at least three is respectively abutment pier and middle pier, support is equipped at the top of abutment pier and middle pier, one end of steel truss girder is arranged on the support of abutment pier, the other end is arranged on the support of middle pier, the middle pier is Frame Pier, middle pier is by crossbeam, at least two upright of frame composition, crossbeam is arranged on upright of frame, the present invention can be applicable to new route and intersect work point with existing line low-angle, it is good with overall structure permeability, landscape effect is good, work progress is smaller on both wired influences；The advantages that speed of application is fast, and both Wired Securities are effectively ensured, and above builds that height is low, span ability is strong, can effectively reduce track profile, good economy performance, structurally reasonable, modern design, good economy performance are practical, have wide application prospect.
Description
Technical field
The present invention relates to bridge construction fields more particularly to a kind of large span freely-supported Steel truss structure in conjunction with Frame Pier
Bridge structure.
Background technique
Currently, mostly using Frame Pier and letter when new route (railway, highway, urban rail) is intersected with existing line low-angle
The mode across mode or large-span structure one across leap that strutbeam combines, but the knot for Frame Pier in conjunction with simply supported beam
Structure, span ability is limited, and landscape effect is poor, the period of setting a roof beam in place on there is also the pier stud work points for closing on both wired constructions more, line is long,
The disadvantages of risk is high；At present because Frame Pier can not carry the weight of large-span structure, Frame Pier generally with small span beam structure
Be used in combination, for large-span structure, that there is also costs is high, on build the disadvantages of height is big, while being limited by structure maximum span, it is right
Cross-line angle has certain limitations, and is unfavorable for the construction that new route (railway, highway, urban rail) is intersected with existing line low-angle.
Summary of the invention
The present invention provides a kind of bridge structure of large span freely-supported Steel truss structure in conjunction with Frame Pier, it is therefore an objective to solve existing
Have technical problem, it is big to provide a kind of span, Frame Pier quantity is few, on build that height is small, easy for construction, landscape is good, low cost
It can be adapted for bridge structure of the large span freely-supported Steel truss structure at route low-angle crossed construction scene in conjunction with Frame Pier.
The present invention solve the problems, such as the technical solution adopted is that:
A kind of bridge structure of large span freely-supported Steel truss structure in conjunction with Frame Pier, has girder, bridge pier, support group
At the top of bridge pier is equipped with support, and girder is arranged on the support of pier coping portion, connects between girder and bridge pier by the way that support is fixed
It connects, girder is arranged on existing line, it is characterised in that: the girder is steel truss girder, and the steel truss girder at least two, bridge pier is extremely
Few three are respectively abutment pier and middle pier, are equipped with support at the top of abutment pier and middle pier, the branch of abutment pier is arranged in one end of steel truss girder
On seat, the other end is arranged on the support of middle pier, and the middle pier is Frame Pier, and middle pier is by crossbeam, at least two upright of frame groups
At crossbeam is arranged on upright of frame, and middle pier is located above existing line and laterally across existing line, and the abutment pier distinguishes position
In the two sides of existing line.
The support that the middle pier top portion is equipped with is slideway support.
The position in the two sides vertical beam face along steel truss girder is equipped with truss member, and truss member is successively arranged from top to bottom
Top boom, web member, lower boom；The top boom is for straight line or curve or to roll over for curve form, the purlin coca of the steel truss girder
According to structure stress and landscape it needs to be determined that.
The existing line is existing traffic route or existing pipeline, and the traffic route includes highway, railway, city rail
Road traffic route, the existing pipeline include transmission of electricity pipeline, waterline, petroleum pipeline, gas transmission line or optical cable.
The span of the steel truss girder is 30~300m.
The web member of the steel truss girder is vertical bar trigonometric expression or fraction or divides again without cross bar without vertical bar trigonometric expression or again
Formula or Hua Lunshi.
The steel truss girder is laterally that two panels or multiple-piece steel plate composition, the steel truss girder are built using superhigh intensity in beam face
Material or composite material are built.
The crossbeam and upright of frame of the middle pier use steel construction or concrete structure；The upright of frame and crossbeam are first
First using hingedly, after steel truss girder is installed, hingedly it is changed to be fixedly connected between upright of frame and crossbeam, to reduce stress
Moment of flexure.
The steel truss girder is mounted on bridge pier using the construction method of pushing tow, swivel, cantilever.
Beneficial effects of the present invention:
1, bridge structure of the large span freely-supported Steel truss structure of the present invention in conjunction with Frame Pier, can be applicable to new route with
Existing line low-angle intersects work point, has overall structure permeability good, landscape effect is good；Close on the pier stud work of both wired constructions
Point is few, and work progress is smaller on both wired influences；Speed of application is fast, and both Wired Securities are effectively ensured；Height is built in structural system
It is low, span ability is strong, can effectively reduce track profile, the advantages that good economy performance；
2, the shortcomings that present invention can overcome current low-angle to cross over both wired solutions, structurally reasonable, modern design, economy
It is good, it is practical, there is wide application prospect；
3, the present invention reduces Frame Pier consolidation moment of flexure by improving Frame Pier structure stress, while by using high intensity
Composite material etc. mitigates steel truss girder weight, realizes structure type of the Frame Pier in conjunction with large span freely-supported steel truss girder.
Detailed description of the invention
Fig. 1 is the Steel truss structure schematic diagram that web member of the present invention is vertical bar trigonometric expression；
Fig. 2 is the present invention and existing line plan positional relationship structural schematic diagram；
Fig. 3 is web member of the present invention for the Steel truss structure schematic diagram of no vertical bar trigonometric expression；
Fig. 4 is the Steel truss structure schematic diagram that web member of the present invention is again fraction；
Fig. 5 is web member of the present invention for the Steel truss structure schematic diagram of no cross bar fraction again；
Fig. 6 is the Steel truss structure schematic diagram that web member of the present invention is Hua Lunshi；
Fig. 7 is the hinged schematic diagram of Frame Pier in the present invention；
Fig. 8 is that Frame Pier is fixedly connected with schematic diagram in the present invention.
Wherein: 1. girders；2. bridge pier；3. support；4. existing line；5. abutment pier；Pier in 6.；7. crossbeam；8. upright of frame；
9. truss member；10. top boom；11. web member；12. lower boom；13. slideway support.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Bridge structure of a kind of large span freely-supported Steel truss structure in conjunction with Frame Pier as shown in figures 1-8, have girder 1,
Bridge pier 2, support 3 form, and the top of bridge pier 2 is equipped with support 3, and girder 1 is arranged on the support 3 at 2 top of bridge pier, girder 1 and bridge
It is fixedly connected between pier 2 by support 3, girder 1 is arranged on existing line 4, and the girder 1 is steel truss girder, the steel truss girder
Span be 30~300m, the steel truss girder at least two, bridge pier 2 at least three be respectively abutment pier 5 and middle pier 6, abutment pier 5 and in
The top of pier 6 is equipped with support 3, and one end of steel truss girder is arranged on the support 3 of abutment pier 5, and the support of middle pier 6 is arranged in the other end
On 3, the middle pier 6 is Frame Pier, and middle pier 6 is made of crossbeam 7, at least two upright of frame 8, and crossbeam 7 is arranged in upright of frame 8
On, middle pier 6 is located at 4 top of existing line and laterally across existing line, and the abutment pier 5 is located at the two sides of existing line.
The support that the middle pier top portion is equipped with is slideway support 13.
The position in the two sides vertical beam face along steel truss girder is equipped with truss member 9, and truss member 9 is successively set from top to bottom
There are top boom 10, web member 11, lower boom 12；The top boom 10 is for straight line or curve or to roll over for curve form, the steel truss
The purlin coca of beam according to structure stress and landscape it needs to be determined that.
The existing line 4 is existing traffic route or existing pipeline, and the traffic route includes highway, railway, city
Rail line, the existing pipeline include transmission of electricity pipeline, waterline, petroleum pipeline, gas transmission line or optical cable.
The web member 11 of the steel truss girder be vertical bar trigonometric expression or without vertical bar trigonometric expression or again fraction or without cross bar again
Fraction or Hua Lunshi, the web member 11 of steel truss girder as shown in Figure 1 are vertical bar trigonometric expression；The web member 11 of steel truss girder is as shown in Figure 3
Without vertical bar trigonometric expression；The web member 11 of steel truss girder as shown in Figure 4 is again fraction；The web member 11 of steel truss girder as shown in Figure 5 is no cross bar
Fraction again；The web member 11 of steel truss girder as shown in Figure 6 is Hua Lunshi, and the purlin formula that the web member 11 of steel truss girder uses is not limited to address figure
Show several forms, various forms can be used.
The steel truss girder is laterally that two panels or multiple-piece steel plate composition, the steel truss girder use superelevation in beam face (not shown)
Strength building materials or composite material are built.
The crossbeam 7 and upright of frame 8 of the middle pier 6 use steel construction or concrete structure；The upright of frame 8 and cross
Beam 7 first using hingedly, after steel truss girder is installed, hingedly is changed to fix between upright of frame and crossbeam during the installation process
Connection, to reduce stress moment of flexure.
The steel truss girder is mounted on bridge pier using the construction method of pushing tow, swivel, cantilever.
During installation, first point-blank by bridge pier installation, then steel truss girder is passed through into other position segment and is lifted by crane
Assembly is arranged on the support that pier coping portion is equipped with, then by steel truss girder using respective abutment pier as dot, along middle pier cross rail top slideway
Support antisymmetry horizontal swing makes steel truss girder be aligned splicing with steel truss girder on one wire, has finally been fixedly connected with each component
At construction.
The present invention can be applicable to new route and intersect work point with existing line low-angle, have overall structure permeability good,
Landscape effect is good；The pier stud work point for closing on both wired constructions is few, and work progress is smaller on both wired influences；Speed of application is fast, has
Effect guarantees both Wired Securities；Built in structural system height it is low, span ability is strong, can effectively reduce track profile, good economy performance
The advantages that；The technical program is structurally reasonable, modern design, good economy performance, practical, has wide application prospect；Together
When by improve Frame Pier structure stress reduce Frame Pier consolidate moment of flexure, can also subtract by using high strength composite etc.
Light steel truss girder weight, realizes structure type of the Frame Pier in conjunction with large span freely-supported steel truss girder.
Claims (9)
1. a kind of bridge structure of large span freely-supported Steel truss structure in conjunction with Frame Pier has girder, bridge pier, support composition,
The top of bridge pier is equipped with support, and girder is arranged on the support of pier coping portion, is fixedly connected between girder and bridge pier by support,
Girder is arranged on existing line, it is characterised in that: the girder is steel truss girder, and the steel truss girder at least two, bridge pier is at least
Three are respectively abutment pier and middle pier, are equipped with support at the top of abutment pier and middle pier, the support of abutment pier is arranged in one end of steel truss girder
On, the other end is arranged on the support of middle pier, and the middle pier is Frame Pier, and middle pier is made of crossbeam, at least two upright of frame,
Crossbeam is arranged on upright of frame, and middle pier is located above existing line and laterally across existing line, and the abutment pier is located at
The two sides of existing line.
2. bridge structure of a kind of large span freely-supported Steel truss structure in conjunction with Frame Pier according to claim 1, feature
Be: the support that the middle pier top portion is equipped with is slideway support.
3. bridge structure of a kind of large span freely-supported Steel truss structure in conjunction with Frame Pier according to claim 1, feature
Be: the position in the two sides vertical beam face along steel truss girder is equipped with truss member, and truss member is successively arranged from top to bottom
Chord member, web member, lower boom；The top boom is for straight line or curve or to roll over for curve form, the purlin coca evidence of the steel truss girder
Structure stress and landscape it needs to be determined that.
4. bridge structure of a kind of large span freely-supported Steel truss structure in conjunction with Frame Pier according to claim 1, feature
Be: the existing line is existing traffic route or existing pipeline, and the traffic route includes highway, railway, city rail
Traffic route, the existing pipeline include transmission of electricity pipeline, waterline, petroleum pipeline, gas transmission line or optical cable.
5. bridge structure of a kind of large span freely-supported Steel truss structure in conjunction with Frame Pier according to claim 1, feature
Be: the span of the steel truss girder is 30~300m.
6. bridge structure of a kind of large span freely-supported Steel truss structure in conjunction with Frame Pier according to claim 3, feature
Be: the web member of the steel truss girder be vertical bar trigonometric expression or without vertical bar trigonometric expression or again fraction or without cross bar again fraction or
Person Hua Lunshi.
7. bridge structure of a kind of large span freely-supported Steel truss structure in conjunction with Frame Pier according to claim 1, feature
Be: the steel truss girder is laterally that two panels or multiple-piece steel plate composition, the steel truss girder use superhigh intensity Building wood in beam face
Material or composite material are built.
8. bridge structure of a kind of large span freely-supported Steel truss structure in conjunction with Frame Pier according to claim 1, feature
Be: the crossbeam and upright of frame of the middle pier use steel construction or concrete structure；The upright of frame and crossbeam are first
Using hinged, after steel truss girder is installed, hingedly it is changed to be fixedly connected between upright of frame and crossbeam, it is curved to reduce stress
Square.
9. bridge structure of a kind of large span freely-supported Steel truss structure in conjunction with Frame Pier according to claim 1, feature
Be: the steel truss girder is mounted on bridge pier using the construction method of pushing tow, swivel, cantilever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910731444.5A CN110453585A (en) | 2019-08-08 | 2019-08-08 | A kind of bridge structure of large span freely-supported Steel truss structure in conjunction with Frame Pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910731444.5A CN110453585A (en) | 2019-08-08 | 2019-08-08 | A kind of bridge structure of large span freely-supported Steel truss structure in conjunction with Frame Pier |
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| Publication Number | Publication Date |
|---|---|
| CN110453585A true CN110453585A (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910731444.5A Pending CN110453585A (en) | 2019-08-08 | 2019-08-08 | A kind of bridge structure of large span freely-supported Steel truss structure in conjunction with Frame Pier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022151827A1 (en) * | 2021-01-14 | 2022-07-21 | 中铁工程设计咨询集团有限公司 | Pier top swivel method for continuous steel truss |
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|---|---|---|---|---|
| CN202705927U (en) * | 2012-07-22 | 2013-01-30 | 中铁二十局集团有限公司 | Temporary support structure for plane turning construction of bridge across existing line |
| JP2015086512A (en) * | 2013-10-28 | 2015-05-07 | 株式会社大林組 | Construction method of rigid-frame structure and rigid-frame structure |
| CN104790297A (en) * | 2015-04-20 | 2015-07-22 | 中国铁建大桥工程局集团有限公司 | Flexible arch splicing method for steel trussed beams |
| CN104846733A (en) * | 2014-12-05 | 2015-08-19 | 广东省公路勘察规划设计院股份有限公司 | Half-through bowstring arch bridge with vehicle and light rail on same layer and construction method thereof |
| CN206956533U (en) * | 2017-05-15 | 2018-02-02 | 中国铁路设计集团有限公司 | A kind of railway and the horizontal multiple bay frame pier of track traffic |
| CN108166400A (en) * | 2018-02-12 | 2018-06-15 | 中国铁路设计集团有限公司 | A kind of great cantilever plane swivel structure and its construction method |
| CN108330810A (en) * | 2018-02-12 | 2018-07-27 | 中国铁路设计集团有限公司 | A kind of bridge structure that steel truss structure is combined with Frame Pier |
| CN109853404A (en) * | 2019-04-06 | 2019-06-07 | 宝鸡中铁宝桥天元实业发展有限公司 | Steel truss girder bridge cantilever assembly erection method |
-
2019
- 2019-08-08 CN CN201910731444.5A patent/CN110453585A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202705927U (en) * | 2012-07-22 | 2013-01-30 | 中铁二十局集团有限公司 | Temporary support structure for plane turning construction of bridge across existing line |
| JP2015086512A (en) * | 2013-10-28 | 2015-05-07 | 株式会社大林組 | Construction method of rigid-frame structure and rigid-frame structure |
| CN104846733A (en) * | 2014-12-05 | 2015-08-19 | 广东省公路勘察规划设计院股份有限公司 | Half-through bowstring arch bridge with vehicle and light rail on same layer and construction method thereof |
| CN104790297A (en) * | 2015-04-20 | 2015-07-22 | 中国铁建大桥工程局集团有限公司 | Flexible arch splicing method for steel trussed beams |
| CN206956533U (en) * | 2017-05-15 | 2018-02-02 | 中国铁路设计集团有限公司 | A kind of railway and the horizontal multiple bay frame pier of track traffic |
| CN108166400A (en) * | 2018-02-12 | 2018-06-15 | 中国铁路设计集团有限公司 | A kind of great cantilever plane swivel structure and its construction method |
| CN108330810A (en) * | 2018-02-12 | 2018-07-27 | 中国铁路设计集团有限公司 | A kind of bridge structure that steel truss structure is combined with Frame Pier |
| CN109853404A (en) * | 2019-04-06 | 2019-06-07 | 宝鸡中铁宝桥天元实业发展有限公司 | Steel truss girder bridge cantilever assembly erection method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022151827A1 (en) * | 2021-01-14 | 2022-07-21 | 中铁工程设计咨询集团有限公司 | Pier top swivel method for continuous steel truss |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191115 |
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| RJ01 | Rejection of invention patent application after publication |