CN203403358U - Latticed bridge tower of concrete filled steel pipe - Google Patents
Latticed bridge tower of concrete filled steel pipe Download PDFInfo
- Publication number
- CN203403358U CN203403358U CN201320284054.6U CN201320284054U CN203403358U CN 203403358 U CN203403358 U CN 203403358U CN 201320284054 U CN201320284054 U CN 201320284054U CN 203403358 U CN203403358 U CN 203403358U
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- post
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 52
- 239000010959 steel Substances 0.000 title claims abstract description 52
- 238000007596 consolidation process Methods 0.000 claims description 13
- 239000011230 binding agent Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 14
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000035939 shock Effects 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 2
- 238000007711 solidification Methods 0.000 abstract 2
- 230000008023 solidification Effects 0.000 abstract 2
- 238000004079 fireproofing Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012999 compression bending Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002365 multiple layer Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model relates to a latticed bridge tower of a concrete filled steel pipe. A traditional concrete bridge tower has a relative large size; positioning for a stiff skeleton is needed during the construction; workload for assembling and disassembling is huge; construction technology is complicated; and the traditional concrete bridge tower has poor performance of wind resistance and shock resistance. The latticed bridge tower of the concrete filled steel pipe is provided with a pier top entity segment; four tower columns are socketed on the top of the pier top entity segment; a horizontal tower column straining beam is connected to the upper parts of adjacent tower columns; a Z-shaped tower column connecting steel pipe with multi-layers is connected to the rest part between the adjacent tower columns and a latticed structure is therefore formed; the lower parts of the adjacent tower columns are provided with a horizontal supporting platform for bridge girder solidification; the tower columns are inserted in the platform; a tower girder connecting steel plate is pre-buried in the supporting platform for bridge girder solidification and is welded with a girder steel trusses of a bridge. The latticed bridge tower of concrete filled steel pipe has light weight, strong rigidity of bending resistance and great stability; the performance of shock and wind resistance is excellent; the steel pipe can be also used for a construction template of a tower body with simple construction technology and short period; little concrete exists in the steel pipe, thereby favoring on-site environment protection; and the performance of fire proofness is better than fire proofing performance of a steel structure.
Description
Technical field
the utility model belongs to transport development technical field, is specifically related to a kind of concrete filled steel tube lattice bridge tower.
Background technology
The bridge tower material of domestic current long span stayed-cable bridge adopts concrete or steel more.Concrete bridge tower is because later period maintenance expense is low, and is widely adopted.But there is size very large, from heavy, need to need to locate in larger bridge floor space, construction that stiffness steel frame, disassemble and assemble work amount are large, complicated construction technique, difficulty of construction are large, long construction period and the poor weakness of wind resistance shock stability.Although steel bridge tower has overcome above-mentioned all drawbacks of concrete bridge tower, steel exist the mechanical property defect of poor stability, for meeting structure stress and stability requirement, often to the mechanical performance index of steel, require high, need thicker sheet material, steel using amount is large, uneconomical.The defect of steel physical property aspect is that easy-to-rust and fireproof performance are poor simultaneously.And concrete filled steel tube bridge tower is by the interactional clamping force of Steel concrete, not only given full play to the advantage of bi-material, mutually made up the other side's weakness, and presented the service behaviour making new advances: bending-resistant performance is high, have fine ductile behavior, wind resistance shock stability is excellent.Due to the existence of core concrete, the apyrous of member, rustproof property are improved greatly.The steel plate thickness of steel pipe used is thinner, easily selection, and economic performance is good.Because structural member size is little, from heavy and light, wind resistance shock stability is good, and rod member batch production degree is high, has higher application value.
Summary of the invention
The purpose of this utility model is to provide the concrete filled steel tube lattice bridge tower that a kind of tower body sectional dimension is less, deadweight is lighter, the wind that can more effectively dissipate shakes energy.
The technical scheme that the utility model adopts is:
A lattice bridge tower, is provided with pier top entity section, it is characterized in that:
Entity section top, pier top socket joint is provided with four king-posts, and the top of adjacent towers intercolumniation is connected with the king-post binder of one level, and adjacent towers intercolumniation remainder is connected with the king-post joint steel pipe that multilayer is Z-shaped layout.
The bottom of adjacent king-post is provided with the tower beam consolidation support platform of level, and king-post is interspersed in the tower beam consolidation support platform of level, is embedded with tower beam junction steel plate in tower beam consolidation support platform, and tower beam junction steel plate welds mutually with the beam portion steel truss girder of bridge.
The king-post outside weld of staying cable anchorage zone is connected to anchor-hold fill plate.
The utlity model has following advantage:
The utility model utilizes the high characteristic of Concrete-filled Steel Tube Tower resistance to compression bending bearing capacity, has reduced tower body sectional dimension, has increased the effective usage space of bridge floor, thereby has alleviated dead load; Utilize steel core concrete column to there is good plasticity, dissipation wind shake energy, reduction earthquake and wind are bestirred oneself and are used the damage to bridge tower main body; Utilize lattice Concrete-filled Steel Tube Tower, for bridge tower provides larger bending-twisting rigidity, reduce the lateral deformation of structure, thereby improve the safety of bridge operation.
The utility model tower beam pier consolidated node and Sarasota anchorage node, simple structure is stressed clear and definite; The double tower body construction formwork of doing of steel pipe, construction technology is simple, short construction period; Pipe inner concrete amount is few, is conducive to on-the-spot environmental protection; Fire resistance is better than steel work; Input cost is low, and structure is advanced, and moulding brevity and lucidity, has higher application value.
Accompanying drawing explanation
Fig. 1 is bridge tower facade constructional drawing.
Fig. 2 is bridge tower front constructional drawing.
Fig. 3 tower body sectional view.
Fig. 4 tower body binder sectional view.
Fig. 5 tower beam consolidation support platform sectional view.
In figure, 1-king-post, 2-king-post binder, 3-tower beam consolidation support platform, 4-pier top entity section, 5-king-post joint steel pipe, 6-anchor-hold fill plate, 7-tower beam junction steel plate.
The specific embodiment
Below in conjunction with the specific embodiment, the utility model is described in detail.
A kind of concrete filled steel tube lattice bridge tower that the utility model is related, the fixed system of employing pier, tower, beam, bottom is provided with pier top entity section 4, and entity section 4 top socket joints in pier top are provided with four king-posts 1, in rectangular layout, form the structure of Pylon pier consolidation.
The top that adjacent king-post is 1 is connected with the king-post binder 2 of four levels together, 1 remainder of adjacent king-post is connected with the king-post joint steel pipe 5 of multiple-layer horizontal, between the intersection end points between the king-post joint steel pipe 5 of adjacent two layers level, be connected with the king-post joint steel pipe 5 of inclination, make multilayer king-post joint steel pipe 5 form the lattice pole structure of Z-shaped layout, this form of structure makes bridge tower have larger bending-twisting rigidity and better stability, and antidetonation and wind resistance are more superior.
The bottom of adjacent king-post 1 is provided with the tower beam consolidation support platform 3 of level, king-post 1 is interspersed in the tower beam consolidation support platform 3 of level, in tower beam consolidation support platform 3, be embedded with tower beam junction steel plate 7, tower beam junction steel plate 7 welds with the beam portion steel truss girder of bridge, forms tower beam consolidation.
King-post 1 outside weld of staying cable anchorage zone is connected to anchor-hold fill plate 6, and suspension cable is directly anchored in king-post 1, and anchor-hold fill plate 6 plays diffusion weld seam internal force, reduces the effect of weld seam local stress.
Concrete filled steel tube lattice bridge tower, owing to adopting lattice tower column structure, makes it compare with concrete bridge tower, and tower body sectional dimension is dwindled greatly, and bridge floor effectively utilizes space larger, conducts oneself with dignity lighter; Bending-twisting rigidity is large, good stability; Antidetonation and wind resistance are superior; The double tower body construction formwork of doing of steel pipe, construction technology is simple, short construction period.Fixed by tower, pier, beam, strengthens the whole bending-twisting rigidity of full-bridge, has reduced the lateral deformation of bridge, has improved bridge operation safety.It is low with input cost, and structure is advanced, and moulding brevity and lucidity, has higher application value.
It is cited that content of the present utility model is not limited to embodiment, and the conversion of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model manual, is claim of the present utility model and contains.
Claims (3)
1. a concrete filled steel tube lattice bridge tower, is provided with pier top entity section (4), it is characterized in that:
Pier top entity section (4) top socket joint is provided with four king-posts (1), top between adjacent king-post (1) is connected with the king-post binder (2) of one level, and between adjacent king-post (1), remainder is connected with the king-post joint steel pipe (5) that multilayer is Z-shaped layout.
2. a kind of concrete filled steel tube lattice bridge tower according to claim 1, is characterized in that:
The bottom of adjacent king-post (1) is provided with the tower beam consolidation support platform (3) of level, king-post (1) is interspersed in the tower beam consolidation support platform (3) of level, in tower beam consolidation support platform (3), be embedded with tower beam junction steel plate (7), tower beam junction steel plate (7) welds mutually with the beam portion steel truss girder of bridge.
3. a kind of concrete filled steel tube lattice bridge tower according to claim 1, is characterized in that:
The king-post of staying cable anchorage zone (1) outside weld is connected to anchor-hold fill plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320284054.6U CN203403358U (en) | 2013-05-23 | 2013-05-23 | Latticed bridge tower of concrete filled steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320284054.6U CN203403358U (en) | 2013-05-23 | 2013-05-23 | Latticed bridge tower of concrete filled steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203403358U true CN203403358U (en) | 2014-01-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320284054.6U Expired - Lifetime CN203403358U (en) | 2013-05-23 | 2013-05-23 | Latticed bridge tower of concrete filled steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203403358U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108004908A (en) * | 2018-01-26 | 2018-05-08 | 西安市政设计研究院有限公司 | A kind of lattice-type steel truss pylon cable-stayed bridge |
| CN110670483A (en) * | 2019-11-15 | 2020-01-10 | 四川省公路规划勘察设计研究院有限公司 | A kind of steel pipe concrete composite main tower |
| CN112853935A (en) * | 2021-03-03 | 2021-05-28 | 甘肃省交通规划勘察设计院股份有限公司 | Bridge tower with spatial diagonal bracing arranged between tower limbs and construction method |
| CN113186823A (en) * | 2021-05-20 | 2021-07-30 | 中铁大桥勘测设计院集团有限公司 | Steel box-steel pipe lattice type concrete combined bridge tower |
| CN113699884A (en) * | 2021-08-27 | 2021-11-26 | 四川省公路规划勘察设计研究院有限公司 | Rectangular concrete-filled steel tube cable tower adopting prefabricated web plates |
| CN114059447A (en) * | 2021-11-25 | 2022-02-18 | 四川省公路规划勘察设计研究院有限公司 | Steel pipe concrete bridge tower and construction method thereof |
-
2013
- 2013-05-23 CN CN201320284054.6U patent/CN203403358U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108004908A (en) * | 2018-01-26 | 2018-05-08 | 西安市政设计研究院有限公司 | A kind of lattice-type steel truss pylon cable-stayed bridge |
| CN110670483A (en) * | 2019-11-15 | 2020-01-10 | 四川省公路规划勘察设计研究院有限公司 | A kind of steel pipe concrete composite main tower |
| CN112853935A (en) * | 2021-03-03 | 2021-05-28 | 甘肃省交通规划勘察设计院股份有限公司 | Bridge tower with spatial diagonal bracing arranged between tower limbs and construction method |
| CN113186823A (en) * | 2021-05-20 | 2021-07-30 | 中铁大桥勘测设计院集团有限公司 | Steel box-steel pipe lattice type concrete combined bridge tower |
| CN113699884A (en) * | 2021-08-27 | 2021-11-26 | 四川省公路规划勘察设计研究院有限公司 | Rectangular concrete-filled steel tube cable tower adopting prefabricated web plates |
| CN114059447A (en) * | 2021-11-25 | 2022-02-18 | 四川省公路规划勘察设计研究院有限公司 | Steel pipe concrete bridge tower and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140122 |