CN105040589A - Stayed-cable steel anchor beam structure - Google Patents
Stayed-cable steel anchor beam structure Download PDFInfo
- Publication number
- CN105040589A CN105040589A CN201510455288.6A CN201510455288A CN105040589A CN 105040589 A CN105040589 A CN 105040589A CN 201510455288 A CN201510455288 A CN 201510455288A CN 105040589 A CN105040589 A CN 105040589A
- Authority
- CN
- China
- Prior art keywords
- steel
- steel anchor
- anchor head
- beam structure
- bearing plate
- 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.)
- Granted
Links
Abstract
A stayed-cable steel anchor beam structure is set on a corbel (2) of a concrete cable-stayed bridge tower wall (1); the steel anchor beam structure comprises steel beams (3) and steel anchor heads (4); the steel anchor beam structure is characterized in that two groups of the steel beams (3) and two groups of the steel anchor heads (4) are provided; the two groups of the steel anchor heads (4) are set oppositely; and the two groups of the steel beams (3) are symmetrically set at two sides of the steel anchor heads (4) and are connected to two groups of the steal anchor heads (4). According to the invention, the space occupation is small, thus the stayed-cable steel anchor beam structure is suitable for a concrete cable-stayed bridge tower with small cross section and small space inside the tower; a climbing ladder is set conveniently; the installation and the maintenance are convenient; and the problem of stress concentration is avoided effectively, thus the safety is high.
Description
Technical field
The present invention relates to a kind of technical field of bridge engineering, particularly relate to a kind of Cable Stayed Steel anchor beam structure.
Background technology
Cable stayed bridge is a kind of bridge be directly pulled in by girder suspension cable on bridge tower, is by the bridge tower of pressurized, the suspension cable of tension and a kind of structural system of combining by curved beam body.Cable-stayed bridge pylon is divided into concrete bridge tower and steel bridge tower two kinds, and wherein the bridge tower anchoring structure of concrete bridge tower adopts steel anchor box or steel anchor beam and Concrete-filled steel tube to be combined into, and utilizes steel work to bear suspension cable horizontal force, utilizes Concrete-filled steel tube to bear vertical force.
Concrete bridge tower is divided into single cable plane bridge tower and two rope faces bridge tower two kinds, the steel anchor beam structure of existing single cable plane bridge tower is as Chinese periodical document " Jing Yue Yangtze Bridge steel anchor beam manufacture craft, 7th phase in 2009 " in disclosed: one group of girder steel is set between two groups of steel anchor heads, safeguard for the ease of bridge tower, between girder steel and tower wall, arrange cat ladder, when Tower Bridge needs maintenance, maintenance personnel are climbed by the space between girder steel and tower wall.But because in this steel anchor beam structure, the connecting portion of girder steel and steel anchor head is positioned at the middle part of steel anchor head, in the use procedure of bridge, the middle part stress of steel anchor head is comparatively concentrated, can cause certain influence to the application life of bridge and safety; And, it is bridge tower within 1.8m × 2.5m that above-mentioned this steel anchor beam structure is not suitable for sectional dimension in tower, because cross section is less in the tower of this bridge tower, if adopt above-mentioned steel anchor beam structure, the space between girder steel and tower wall can be caused too little, cannot arrange cat ladder, when Tower Bridge needs maintenance, maintenance personnel cannot pass through.
Summary of the invention
The concrete deck cable stayed bridge bridge tower that technical problem to be solved by this invention is that the steel anchor beam structure of existing single cable plane concrete deck cable stayed bridge bridge tower is not suitable for that cross section is little, space is little in tower, but also there is the problem that stress concentrates, and provide a kind of and be applicable to that cross section is little, space is little in tower concrete deck cable stayed bridge bridge tower, institute take up space little, the Cable Stayed Steel anchor beam structure that maintenance facilitates, effectively avoids problem of stress concentration, safety higher is installed.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
A kind of Cable Stayed Steel anchor beam structure, be arranged on the bracket of concrete deck cable stayed bridge tower wall, described steel anchor beam structure comprises girder steel and steel anchor head; Described girder steel and described steel anchor head are respectively two groups, and described in two groups, steel anchor head is oppositely arranged, and girder steel described in two groups is symmetricly set in the both sides of described steel anchor head and connects steel anchor head described in two groups.
In above-mentioned Cable Stayed Steel anchor beam structure, described girder steel comprises girder steel top board, girder steel base plate, girder steel outer web, girder steel endosternum and two shroudings, described girder steel endosternum welds with the side of described steel anchor head, and described in steel anchor head described in two groups and two groups, girder steel forms enclosed construction.
In above-mentioned Cable Stayed Steel anchor beam structure, the dividing plate that the described shrouding that the inside of described girder steel has some and described girder steel be arranged in parallel.
In above-mentioned Cable Stayed Steel anchor beam structure, described steel anchor head comprises steel anchor head top board, steel anchor head base plate, the first bearing plate, the second bearing plate, the 3rd bearing plate, two pieces of steel anchor head webs, steel anchor head interior plate and steel anchor head outer panels; Described first bearing plate and described second bearing plate arranged in parallel, common form the pilot hole corresponding with the suspension cable embedded steel tube on described tower wall, described suspension cable embedded steel tube and described pilot hole dead in line; Described 3rd bearing plate and described first bearing plate, described second bearing plate are vertical and form the outlet of described pilot hole; Described steel anchor head interior plate is arranged at the below in described pilot hole exit and vertically arranges; Described steel anchor head outer panel is arranged at the side near described tower wall and vertically arranges, and forms the import of described pilot hole; Described steel anchor head web is used for described first bearing plate, described second bearing plate, described 3rd bearing plate, described steel anchor head interior plate and described steel anchor head outer panel to connect into entirety.
In above-mentioned Cable Stayed Steel anchor beam structure, described bracket is provided with pre-embedded steel slab, and the upper surface of described pre-embedded steel slab arranges bearing, and described steel anchor beam vibrational power flow is on described bearing.
In above-mentioned Cable Stayed Steel anchor beam structure, described pre-embedded steel slab is arranged on described bracket by WELDING STUDS.
In above-mentioned Cable Stayed Steel anchor beam structure, described steel anchor head is provided with rubber sheet gasket near the gap of the side of described tower wall and described tower wall.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) Cable Stayed Steel anchor beam structure of the present invention, be provided with two groups of girder steels and two groups of steel anchor heads, two groups of steel anchor heads are oppositely arranged, and two groups of girder steels are symmetricly set in the both sides of steel anchor head and connect two groups of steel anchor heads.Girder steel is arranged on the both sides of steel anchor head, two groups of girder steels and two groups of steel anchor heads form coffin jointly, take up room little, be applicable to the concrete deck cable stayed bridge bridge tower that in little, the tower in cross section, space is little, conveniently cat ladder is set, is convenient to maintenance is installed, and can effectively avoids problem of stress concentration, safety higher.
(2) Cable Stayed Steel anchor beam structure of the present invention, wherein steel anchor head is provided with rubber sheet gasket near the gap of the side of tower wall and tower wall, prevents steel anchor beam structure from producing with tower wall because of displacement and directly contacts.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
The overall schematic of Fig. 1 Cable Stayed Steel anchor beam of the present invention structure;
The partial sectional view of Fig. 2 Cable Stayed Steel anchor beam of the present invention structure;
The facade structures figure of Fig. 3 Cable Stayed Steel anchor beam of the present invention structure;
The plan structure figure of Fig. 4 Cable Stayed Steel anchor beam of the present invention structure.
In figure, Reference numeral is expressed as: 1-tower wall, 2-bracket, 3-girder steel, 4-steel anchor head, 5-girder steel top board, 6-girder steel base plate, the outer web of 7-girder steel, 8-girder steel endosternum, 9-shrouding, 10-rubber sheet gasket, 11-dividing plate, 12-first bearing plate, 13-second bearing plate, 14-the 3rd bearing plate, 15-steel anchor head web, 16-steel anchor head interior plate, 17-steel anchor head outer panel, 18-WELDING STUDS, 19-pre-embedded steel slab, 20-bearing, 21-steel anchor head top board, 22-steel anchor head base plate, 23-suspension cable embedded steel tube, 24-pilot hole.
Detailed description of the invention
As Figure 1-3, be the preferred embodiment of Cable Stayed Steel anchor beam structure of the present invention.
Described Cable Stayed Steel anchor beam structure, is arranged on the bracket 2 of concrete deck cable stayed bridge tower wall 1, and particularly, described bracket 2 is provided with pre-embedded steel slab 19, described pre-embedded steel slab 19 is arranged on described bracket 2 by WELDING STUDS 18.The upper surface of described pre-embedded steel slab 19 arranges bearing 20, and described steel anchor beam vibrational power flow is on described bearing 20.
Described steel anchor beam structure comprises girder steel 3 and steel anchor head 4, in the present invention, described girder steel 3 and described steel anchor head 4 are respectively two groups, and described in two groups, steel anchor head 4 is oppositely arranged, and girder steel 3 described in two groups is symmetricly set in the both sides of described steel anchor head 4 and connects steel anchor head 4 described in two groups.Steel anchor beam structure of the present invention two groups of girder steels and two groups of steel anchor heads form coffin jointly, conveniently arrange cat ladder, are convenient to install maintenance, take up room little, are applicable to the concrete deck cable stayed bridge bridge tower that in little, the tower in cross section, space is little.
Described girder steel 3 comprises girder steel top board 5, girder steel base plate 6, girder steel outer web 7, girder steel endosternum 8 and two shroudings 9, and described girder steel endosternum 8 welds with the side of described steel anchor head 4, and described in steel anchor head 4 described in two groups and two groups, girder steel 3 forms enclosed construction.
As shown in Figure 4, the dividing plate 11 that the described shrouding 9 that the inside of described girder steel 3 has some and described girder steel 3 be arranged in parallel.
Described steel anchor head 4 comprises steel anchor head top board 21, steel anchor head base plate 22, first bearing plate 12, second bearing plate 13, the 3rd bearing plate 14, two blocks of steel anchor head webs 15, steel anchor head interior plate 16 and steel anchor head outer panel 17.
Described first bearing plate 12 is arranged in parallel with described second bearing plate 13, the pilot hole 24 that common formation is corresponding with the suspension cable embedded steel tube 23 on described tower wall 1, described suspension cable embedded steel tube 23 and the dead in line of described pilot hole 24.Described 3rd bearing plate 14 and described first bearing plate 12, described second bearing plate 13 are vertical and form the outlet of described pilot hole 24, the axis being arranged on the suspension cable embedded steel tube 23 in described tower wall 1 is vertical with described 3rd bearing plate 14, and suspension cable is anchored on described 3rd bearing plate 14 by described suspension cable embedded steel tube 23.Described steel anchor head interior plate 16 is arranged at the below in described pilot hole 24 exit and vertically arranges; Described steel anchor head outer panel 17 is arranged at the side near described tower wall 1 and vertically arranges, and forms the import of described pilot hole 24.Described steel anchor head web 15 is for connecting into entirety by described first bearing plate 12, described second bearing plate 13, described 3rd bearing plate 14, described steel anchor head interior plate 16 and described steel anchor head outer panel 17.
Further, described steel anchor head 4 is provided with rubber sheet gasket 10 near the gap of the side of described tower wall 1 and described tower wall 1.
Steel anchor beam structure of the present invention, the vertical force component of suspension cable passes to tower wall 1 by steel anchor head 4 by bracket 2; The horizontal component of suspension cable, by girder steel 3 balance itself, does not pass to tower wall 1 substantially; And the uneven horizontal component of the suspension cable that caused by mobile load, pass to tower wall 1 by the frictional resistance of bearing 20 or rubber sheet gasket 10.Therefore, adopt steel anchor beam structure of the present invention, each structure stress of cable-pylon anchorage zone is clear and definite, avoids stress concentration phenomenon.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (7)
1. a Cable Stayed Steel anchor beam structure, is arranged on the bracket (2) of concrete deck cable stayed bridge tower wall (1), and described steel anchor beam structure comprises girder steel (3) and steel anchor head (4); It is characterized in that: described girder steel (3) and described steel anchor head (4) are respectively two groups, described in two groups, steel anchor head (4) is oppositely arranged, and girder steel (3) described in two groups is symmetricly set in the both sides of described steel anchor head (4) and connects steel anchor head (4) described in two groups.
2. Cable Stayed Steel anchor beam structure according to claim 1, it is characterized in that: described girder steel (3) comprises girder steel top board (5), girder steel base plate (6), the outer web (7) of girder steel, girder steel endosternum (8) and two shroudings (9), described girder steel endosternum (8) is welded with the side of described steel anchor head (4), and described in steel anchor head (4) described in two groups and two groups, girder steel (3) forms enclosed construction.
3. Cable Stayed Steel anchor beam structure according to claim 2, is characterized in that: the dividing plate (11) that the described shrouding (9) that the inside of described girder steel (3) has some and described girder steel (3) be arranged in parallel.
4. the Cable Stayed Steel anchor beam structure according to any one of claim 1-3, is characterized in that: described steel anchor head (4) comprises steel anchor head top board (21), steel anchor head base plate (22), the first bearing plate (12), the second bearing plate (13), the 3rd bearing plate (14), two pieces of steel anchor head webs (15), steel anchor head interior plate (16) and steel anchor head outer panels (17); Described first bearing plate (12) is arranged in parallel with described second bearing plate (13), the pilot hole (24) that common formation is corresponding with the suspension cable embedded steel tube (23) on described tower wall (1), described suspension cable embedded steel tube (23) and described pilot hole (24) dead in line; Described 3rd bearing plate (14) and described first bearing plate (12), described second bearing plate (13) are vertical and form the outlet of described pilot hole (24); Described steel anchor head interior plate (16) is arranged at the below in described pilot hole (24) exit and vertically arranges; Described steel anchor head outer panel (17) is arranged at the side near described tower wall (1) and vertically arranges, and forms the import of described pilot hole (24); Described steel anchor head web (15) is for connecting into entirety by described first bearing plate (12), described second bearing plate (13), described 3rd bearing plate (14), described steel anchor head interior plate (16) and described steel anchor head outer panel (17).
5. the Cable Stayed Steel anchor beam structure according to any one of claim 1-4, it is characterized in that: described bracket (2) is provided with pre-embedded steel slab (19), the upper surface of described pre-embedded steel slab (19) arranges bearing (20), and described steel anchor beam vibrational power flow is on described bearing (20).
6. Cable Stayed Steel anchor beam structure according to claim 5, is characterized in that: described pre-embedded steel slab (19) is arranged on described bracket (2) by WELDING STUDS (18).
7. the Cable Stayed Steel anchor beam structure according to any one of claim 1-6, is characterized in that: described steel anchor head (4) is provided with rubber sheet gasket (10) near the side of described tower wall (1) and the gap of described tower wall (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510455288.6A CN105040589B (en) | 2015-07-29 | 2015-07-29 | Stay cable steel anchor beam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510455288.6A CN105040589B (en) | 2015-07-29 | 2015-07-29 | Stay cable steel anchor beam structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105040589A true CN105040589A (en) | 2015-11-11 |
| CN105040589B CN105040589B (en) | 2020-05-08 |
Family
ID=54447539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510455288.6A Active CN105040589B (en) | 2015-07-29 | 2015-07-29 | Stay cable steel anchor beam structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105040589B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421230A (en) * | 2015-12-10 | 2016-03-23 | 中铁大桥局集团有限公司 | Multi-directional adjusting type buckle beam and anchor beam device |
| CN106400675A (en) * | 2016-08-31 | 2017-02-15 | 中交公局第三工程有限公司 | Steel anchor box and mounting method thereof |
| CN108330831A (en) * | 2018-03-13 | 2018-07-27 | 中交公路规划设计院有限公司 | Steel locker format Suo-tower connection structure and preparation method thereof |
| CN109596329A (en) * | 2018-12-11 | 2019-04-09 | 佛山科学技术学院 | A kind of Anchorage Zone of Cable-stayed Bridge Pylon stress distribution test self-balanced loading device |
| CN111005302A (en) * | 2019-12-30 | 2020-04-14 | 中交路桥华南工程有限公司 | Steel anchor beam mounting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3356417B2 (en) * | 1999-11-09 | 2002-12-16 | 株式会社エスイー | Construction method and construction structure at the saddle part of the cable, and bridge |
| CN201077954Y (en) * | 2007-03-21 | 2008-06-25 | 浙江省交通规划设计研究院 | Steel anchor beam of canting pull stayd-cable bridge cable tower end coupling of stayd-cable bridge |
| CN202131566U (en) * | 2011-05-31 | 2012-02-01 | 浙江省交通规划设计研究院 | Bridge tower anchoring structure combined by corrugated steel plates and concrete |
| CN203768811U (en) * | 2014-02-21 | 2014-08-13 | 同济大学 | Embedded steel anchor beam combined pylon anchoring structure |
| CN204475178U (en) * | 2015-01-06 | 2015-07-15 | 大连理工大学 | A kind of flush type steel anchor box |
-
2015
- 2015-07-29 CN CN201510455288.6A patent/CN105040589B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3356417B2 (en) * | 1999-11-09 | 2002-12-16 | 株式会社エスイー | Construction method and construction structure at the saddle part of the cable, and bridge |
| CN201077954Y (en) * | 2007-03-21 | 2008-06-25 | 浙江省交通规划设计研究院 | Steel anchor beam of canting pull stayd-cable bridge cable tower end coupling of stayd-cable bridge |
| CN202131566U (en) * | 2011-05-31 | 2012-02-01 | 浙江省交通规划设计研究院 | Bridge tower anchoring structure combined by corrugated steel plates and concrete |
| CN203768811U (en) * | 2014-02-21 | 2014-08-13 | 同济大学 | Embedded steel anchor beam combined pylon anchoring structure |
| CN204475178U (en) * | 2015-01-06 | 2015-07-15 | 大连理工大学 | A kind of flush type steel anchor box |
Non-Patent Citations (2)
| Title |
|---|
| 徐学西等: "鸭绿江界河公路大桥主塔钢锚梁施工", 《公路》 * |
| 文兆全: "杭州湾跨海大桥南航道桥钢锚箱施工技术", 《水运工程》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421230A (en) * | 2015-12-10 | 2016-03-23 | 中铁大桥局集团有限公司 | Multi-directional adjusting type buckle beam and anchor beam device |
| CN105421230B (en) * | 2015-12-10 | 2017-07-07 | 中铁大桥局集团有限公司 | A kind of multidirectional adjustable type button anchor beam device |
| CN106400675A (en) * | 2016-08-31 | 2017-02-15 | 中交公局第三工程有限公司 | Steel anchor box and mounting method thereof |
| CN106400675B (en) * | 2016-08-31 | 2018-08-03 | 中交一公局第三工程有限公司 | A kind of steel anchor box and its installation method |
| CN108330831A (en) * | 2018-03-13 | 2018-07-27 | 中交公路规划设计院有限公司 | Steel locker format Suo-tower connection structure and preparation method thereof |
| CN109596329A (en) * | 2018-12-11 | 2019-04-09 | 佛山科学技术学院 | A kind of Anchorage Zone of Cable-stayed Bridge Pylon stress distribution test self-balanced loading device |
| CN111005302A (en) * | 2019-12-30 | 2020-04-14 | 中交路桥华南工程有限公司 | Steel anchor beam mounting method |
| CN111005302B (en) * | 2019-12-30 | 2021-07-30 | 中交路桥华南工程有限公司 | Steel anchor beam mounting method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105040589B (en) | 2020-05-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105040589A (en) | Stayed-cable steel anchor beam structure | |
| CN101914897B (en) | Construction method of single main cable inclined-suspender earth anchored suspension bridge | |
| CN103291076A (en) | Multilayer steel truss fragmented reverse hoisting construction method in arc-shaped frame | |
| CN103437300A (en) | Construction method for erecting double cantilevers for pier top steel beam without pier-side bracket | |
| CN105484162B (en) | Suspension bridge construction stiff girder secondary on the bank swings moving device and method | |
| CN203296361U (en) | Long-span steel structure cross assembling hoisting platform | |
| CN206752312U (en) | Half-through and lower bearing arch bridge steel-concrete combination beam bridge floor series structure | |
| CN104005338A (en) | Three-directional temporary tower and girder consolidation structure of large-span cable-stayed bridge | |
| CN108505405A (en) | A kind of suspension type monorail and highway bridge build structure jointly | |
| CN110295548A (en) | The makeshift device of mechanical balance is maintained under the bridge construction technique of fitting the arch first then fitting the girder | |
| CN203866711U (en) | Large span cable-stayed bridge tower beam three-way temporary consolidation structure | |
| CN211200882U (en) | Steel construction conversion layer furred ceiling | |
| CN104562944B (en) | Long span steel-concrete composite beam cable-stayed bridge limit steel case anchoring temporarily system | |
| CN204662929U (en) | A kind of cross-line walking fence operation device | |
| CN103981807B (en) | A kind of without bracket steel anchor beam | |
| CN106049279B (en) | Inhaul cable anchorage structure in steel box-girder | |
| Chinh et al. | Dragon bridge-the world largest dragon-shaped (ARCH) steel bridge as element of smart city | |
| CN213389731U (en) | Flexible anti-falling channel for box girder construction of overpass bridge | |
| CN204530507U (en) | Long span steel-concrete composite beam cable-stayed bridge limit steel case anchoring temporarily system | |
| CN103206077B (en) | Structure for steel structure roof inner slab installation foot hand cradle | |
| CN204751779U (en) | Fixed subassembly of first anchorage device on construction elevator guide rail frame | |
| CN202401386U (en) | Cable bridge for frame bridge | |
| CN205822800U (en) | A kind of high-altitude delivering concrete device | |
| KR101610055B1 (en) | A bridge supported by iron strip girder and elastic plate | |
| CN215516436U (en) | Tower crane connecting channel capable of being used in turnover mode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |