CN202530364U - Inverted triangle pier simply supported or continuous bridge structure - Google Patents
Inverted triangle pier simply supported or continuous bridge structure Download PDFInfo
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- CN202530364U CN202530364U CN201220091444.7U CN201220091444U CN202530364U CN 202530364 U CN202530364 U CN 202530364U CN 201220091444 U CN201220091444 U CN 201220091444U CN 202530364 U CN202530364 U CN 202530364U
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- girder
- inverted triangle
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- 239000007787 solid Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 27
- 229910000831 Steel Inorganic materials 0.000 abstract description 9
- 239000010959 steel Substances 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000005266 casting Methods 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 238000009417 prefabrication Methods 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
- 241000209094 Oryza Species 0.000 description 11
- 235000007164 Oryza sativa Nutrition 0.000 description 11
- 235000009566 rice Nutrition 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 230000002411 adverse Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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Abstract
The utility model discloses an inverted triangle-like pier simply supported or continuous bridge structure, comprising a pier column, a pier top support and a girder all fixedly arranged on a base. The inverted triangle-like pier simply supported or continuous bridge structure is characterized in that the pier column is formed into an inverted triangle-like pier column by an upper cross bar and two landing legs extended out from two sides, the upper cross bar is arranged in the girder, and the girder and the inverted triangle-like pier column are connected through a support. The inverted triangle-like pier column is an independent load-bearing and force-transfer component, and can transfer the vertical load transmitted down by the support to the base; and simultaneously, the cross bar of the overall inverted triangle-like pier column is hidden in the girder, the bridge shape and the girder calculated span are same as that of a V-shaped pier (similar to V-shaped pier) continuous steel structure bridge, the whole bridge needs no independently arranged auxiliary associated piers, and the bridge visual effect is more perfect. Meanwhile, since the girder and the inverted triangle-like pier column are connected through the support, the girder can adopt a simply supported or continuous system, and the structure temperature secondary interior force problem is also solved. The girder is completely separated from the pier column, the pier column and the girder can be constructed by casting in situ or prefabrication according to real situation, the construction period can be arranged more flexibly, the construction technology is simplified, the construction difficulty is reduced, the construction period is shortened, and the construction costs is saved.
Description
Technical field
The utility model relates to a kind of wide accommodation, beautiful design, cheap bridge construction system, specifically is a kind of del bridge pier freely-supported, the structure of bridge continuously.
Background technology
Along with people's improves constantly what living environment required; The bridge of Modern Significance simply be not satisfied with transport need; But the bridge design of many beautiful designs is become the landmark building in a city or an area, this has higher requirement to bridge planning, design, construction etc.
The continuously firm bridge beautiful design of shaped pier (approximate shaped pier), and can effectively reduce the bridge span footpath, its construction costs is relatively low.Along with the progressively raising of Urban Bridge to the view requirement, have good landscape effect, shaped pier (approximate shaped pier) the Steel Continuous structure bridge that has better engineering economy property simultaneously again more and more receives builder's favor.But the bridge engineering shorter for pier stud or length is bigger; V-type pier (approximate shaped pier) Steel Continuous structure bridge is owing to excessive the internal force that system's temperature difference causes, divide and join pier to the adverse effect of bridge view and construction technology is complicated, difficulty of construction is big; Thereby, limited its practical application.
Summary of the invention
The utility model purpose is: for solving pier stud is shorter or length is bigger bridge engineering when adopting V-type pier (approximate shaped pier) Steel Continuous structure bridge, the inferior internal force that system's temperature difference causes is excessive.Divide the couplet pier that the bridge view is had adverse effect; And the problem that construction technology is complicated, difficulty of construction is big; The structure and the job practices thereof of a kind of del bridge pier freely-supported, continuous bridge are provided; It can with bridge top and the bottom structure separately be simplified bridge construction technology, reduce difficulty of construction, shorten construction period.Simultaneously, bridge moulding and girder calculate that to stride the footpath identical with shaped pier (approximate shaped pier) Steel Continuous structure bridge, and full-bridge need not to set up Fen Liandun, and it is perfect that the bridge landscape effect more becomes.Simultaneously, owing to be connected through bearing between girder and del bridge pier, girder can adopt freely-supported or continuous system, and the inferior internal force problem of structure temperature also is able to solution.
The utility model is to realize through such technical scheme: the structure of a kind of del bridge pier freely-supported, continuous bridge; Comprise: fixedly install bridge pier post, pier top bearing and girder on the basis; Described bridge pier post is to constitute del bridge pier post by both sides outrigger and upper cross bar; Upper cross bar is arranged in the girder, is connected through pier top bearing between described girder and the del bridge pier post.
Described both sides outrigger is solid or the open section structure, and its facade shape is V-arrangement or Y shape or U shape, and adopt between 0～60 degree at its angle of inclination.
Described pier top bearing is arranged on outrigger top, both sides, and pier top bearing is single or double.
Described girder adopts girt strip formula section, is specially T shape or for I shape or separate box-shaped, vertically is freely-supported or continuous structure beam.
Described basis is adopted a clump of piles to connect cushion cap or is enlarged basis, open caisson foundation form.
The utility model adopts the structure and the job practices thereof of del bridge pier freely-supported, continuous bridge, can with bridge top and the bottom structure separately simplify bridge construction technology, reduce difficulty of construction, shorten construction period.Simultaneously, it is identical with shaped pier (approximate shaped pier) Steel Continuous structure bridge that the footpath is striden in the calculating of bridge moulding and girder.And full-bridge need not to set up Fen Liandun, and it is perfect that the bridge landscape effect more becomes.Simultaneously, owing to be connected through bearing between girder and del bridge pier, girder can adopt freely-supported or continuous system, and the inferior internal force problem of structure temperature also is able to solution.
Description of drawings
Fig. 1 is the structure elevation of the utility model del bridge pier freely-supported, continuous bridge.
Fig. 2 is the structure section figure of del bridge pier freely-supported, continuous bridge.
Among the figure: 1, basis; 3, pier top bearing; 4, girder; 5, ground line
201, both sides outrigger;
202, upper cross bar.
The specific embodiment
Embodiment
The structure of a kind of del bridge pier freely-supported, continuous bridge; Comprise: fixedly install bridge pier post, pier top bearing 3 and girder 4 on the basis 1; Described bridge pier post is to constitute del bridge pier post by both sides outrigger 201 and upper cross bar 202; Upper cross bar 202 is arranged in the girder 4, and is affixed through pier top bearing 3 between described girder 4 and the bridge pier post.
Described both sides outrigger 201 is solid or the open section structure, and its facade shape is V-arrangement or Y shape or U-shaped, and adopt between 0～60 degree at its angle of inclination.Like Fig. 3, shown in 4.
Described pier top bearing 3 is arranged on both sides outrigger 201 tops, and pier top bearing 3 is single or double.
Described girder 4 adopts girt strip formula sections, is specially T shape or for I shape or separate box-shaped, vertically is freely-supported or continuous structure beam.
Described basic 1 adopts a clump of piles to connect cushion cap form or multiple modes such as selection expansion basis or open caisson foundation.
With a certain experimental project is the concrete structure that example further specifies the utility model.
Its project profile:
Bridge design terminus pile No. 1+449.145～2+260.145,811 meters of overall length of bridge.Two width of cloth bridges about bridge is divided into, every width of cloth bridge is wide to be 20 meters, and corridor, 2 mitron road, the bridge gross area 32440 square meters are established in the centre.Prefabricated case beam is continuously adopted behind the first freely-supported on top, and bridge pier adopts the del bridge pier, and pile foundation+cushion cap form is adopted on the basis, and bearing all adopts laminated rubber bearing.Full-bridge is striden the footpath and divided the couplet situation: amount to 7 31 and stride, every footpath of striding is: (18+20+30+20+30 rice)+(20+30+20+30+20 rice)+(35+25+35+25 rice)+(35+25+35 rice)+(25+35+25+35 rice)+(20+30+20+30+20 rice)+(30+20+30+20+18 rice).
Described girder:
The prestress concrete box girder span directly is respectively 18 meters, 20 meters, 25 meters, 30 meters, 35 meters, considers requirement attractive in appearance, and deck-molding was high for waiting in one of which joined.25 rice bin beams are 1.8 meters with 35 rice bin beam deck-moldings, and 18 meters, 20 rice bin beams are 1.6 meters with 30 rice bin beam deck-moldings.The single width bridge is wide 20 meters, and 6 beams are arranged in the cross section, establish 0.8 meter wide cast-in-place wet seam between direction across bridge beam and the beam, and distance is 3.2 meters in the beam.The kingpost baseplate level, the design of carriageway plate end face transverse slope is identical with the deck transverse slope degree.
Described bearing:
Bearing all adopts circular laminated rubber bearing, presses " highway bridge laminated rubber bearing " (JT/T4-2004) standard application.
Described del bridge pier post:
Del bridge pier post to stride the footpath be 20 meters, 25 meters two kinds, clear height is respectively 8.4 meters, 10.5 meters, because longitudinal gradient influences del bridge pier two outrigger inclination angles between 38.64～39.7.Along bridge to, two outrigger tops connect into integral body through cross bar, the cross bar cross section be 1.2 meters-1 meter of height, and is suitable for reading wide 1.5 meters, the trapezoid cross section that end opening is wide 2 meters, cross bar adopts prestressed structure to bear pulling force, prestressing force adopts 7 to restraint 13 φ S15.2 steel strand.The steel bundle adopts perpendicular curved at two ends, and is anchored in the both sides outrigger, to solve cross bar and pier shaft connectivity problem.The vertical bridge of large and small del bridge pier standard paragraphs outrigger is respectively to thickness: 2 meters, 1.6 meters, outer cause circular curve connects straightway and forms.Direction across bridge, the del bridge pier is made up of 3 outriggers, 3.4 meters of spacings, every outrigger direction across bridge is 3～4.56 meters and broadens that outer cause circular curve connects straightway and forms.
Described basis:
Del bridge pier patten adopts a clump of piles to connect the cushion cap form, and dimension of platform is 8.5 * 17.7 * 3.15 meters, and connecing down is that 10 diameters are 1.5 meters bored pile.
The experiment proof: the utility model adopts the structure and the job practices thereof of del bridge pier freely-supported, continuous bridge; Del bridge pier post is independently load-bearing, Force transmission parts; Can the vertical load that the bearing transmission is got off be reached the basis, the cross bar of whole del bridge pier is hidden and is placed in the girder simultaneously, and it is identical with shaped pier (approximate shaped pier) Steel Continuous structure bridge that the footpath is striden in bridge moulding and girder calculating; And full-bridge need not to set up Fen Liandun, and it is perfect that the bridge landscape effect more becomes.Simultaneously, owing to be connected through bearing between girder and del bridge pier, girder can adopt freely-supported or continuous system, and the inferior internal force problem of structure temperature also is able to solution.Because girder and pier stud break away from fully; Pier stud and girder can be selected cast-in-place or prefabricated construction according to actual conditions; Duration arranges more flexible; And simplified construction technology, reduced difficulty of construction, shortened construction period and can with bridge top and the bottom structure separately simplify bridge construction technology, reduce difficulty of construction, shorten construction period.Practiced thrift construction costs.
Claims (5)
1. a del bridge pier freely-supported, the structure of bridge continuously; Comprise: fixedly install bridge pier post, pier top bearing (3) and girder (4) on the basis (1); It is characterized in that: described bridge pier post is to constitute del bridge pier post by both sides outrigger (201) and upper cross bar (202); Upper cross bar (202) is arranged in the girder (4), is connected through pier top bearing (3) between described girder (4) and the bridge pier post.
2. the structure of del bridge pier freely-supported according to claim 1, continuous bridge; It is characterized in that: described both sides outriggers (201) are solid or open section structure; Its facade shape is V-arrangement or Y shape or U-shaped, and adopt between 0～60 degree at its angle of inclination.
3. the structure of del bridge pier freely-supported according to claim 1, continuous bridge, it is characterized in that: described pier top bearing (3) is arranged on both sides outrigger (201) top, and pier top bearing (3) is single or double.
4. del bridge pier freely-supported according to claim 1, the continuous structure of bridge, it is characterized in that: described girder (4) adopts girt strip formula section, is specially T shape or for I shape or separate box-shaped, vertically is freely-supported or continuous structure beam.
5. the structure of del bridge pier freely-supported according to claim 1, continuous bridge is characterized in that: described basis is adopted a clump of piles to connect cushion cap or is enlarged basis, open caisson foundation form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220091444.7U CN202530364U (en) | 2012-03-12 | 2012-03-12 | Inverted triangle pier simply supported or continuous bridge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220091444.7U CN202530364U (en) | 2012-03-12 | 2012-03-12 | Inverted triangle pier simply supported or continuous bridge structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202530364U true CN202530364U (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220091444.7U Expired - Lifetime CN202530364U (en) | 2012-03-12 | 2012-03-12 | Inverted triangle pier simply supported or continuous bridge structure |
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| CN (1) | CN202530364U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605709A (en) * | 2012-03-12 | 2012-07-25 | 北京市市政工程设计研究总院 | Structure of simply support and continuous bridge with pier similar to inverted triangle |
| CN103669201A (en) * | 2013-12-29 | 2014-03-26 | 长安大学 | Y-shaped pier used for steel pipe concrete truss girder |
| CN104120649A (en) * | 2014-08-13 | 2014-10-29 | 江苏中设工程咨询集团有限公司 | End-girder-free V-shaped rigid-frame bridge with bridgehead anti-thrust protection wall |
| CN108755378A (en) * | 2018-08-16 | 2018-11-06 | 绍兴文理学院元培学院 | A kind of two bridge girder construction of unequal span |
-
2012
- 2012-03-12 CN CN201220091444.7U patent/CN202530364U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605709A (en) * | 2012-03-12 | 2012-07-25 | 北京市市政工程设计研究总院 | Structure of simply support and continuous bridge with pier similar to inverted triangle |
| CN102605709B (en) * | 2012-03-12 | 2015-03-18 | 北京市市政工程设计研究总院有限公司 | Structure of simply support and continuous bridge with pier similar to inverted triangle |
| CN103669201A (en) * | 2013-12-29 | 2014-03-26 | 长安大学 | Y-shaped pier used for steel pipe concrete truss girder |
| CN103669201B (en) * | 2013-12-29 | 2015-06-10 | 长安大学 | Y-shaped pier used for steel pipe concrete truss girder |
| CN104120649A (en) * | 2014-08-13 | 2014-10-29 | 江苏中设工程咨询集团有限公司 | End-girder-free V-shaped rigid-frame bridge with bridgehead anti-thrust protection wall |
| CN104120649B (en) * | 2014-08-13 | 2015-12-16 | 江苏中设集团股份有限公司 | Have the anti-thrust force protection wall of end of the bridge without end carriage V-type rigid frame bridge |
| CN108755378A (en) * | 2018-08-16 | 2018-11-06 | 绍兴文理学院元培学院 | A kind of two bridge girder construction of unequal span |
| CN108755378B (en) * | 2018-08-16 | 2024-04-26 | 浙江精工钢结构集团有限公司 | Bridge structure with unequal spans and two spans |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING GENERAL MUNICIPAL ENGINEERING DESIGN + RES Free format text: FORMER NAME: BEIJING MUNICIPAL ENGINEERING DESIGN RESEARCH CENTRAL INST. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100082 Beijing, Xizhimen, North Street, building 32, No., building 3 Patentee after: BEIJING GENERAL MUNICIPAL ENGINEERING DESIGN & RESEARCH INSTITUTE CO., LTD. Address before: 100082 Beijing, Xizhimen, North Street, building 32, No., building 3 Patentee before: Beijing General Municipal Engineering Design & Research Institute |
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| CX01 | Expiry of patent term |
Granted publication date: 20121114 |
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| CX01 | Expiry of patent term |