CN108004907A - A kind of lattice-type steel truss pylon cable-stayed bridge steel cable anchor system - Google Patents
A kind of lattice-type steel truss pylon cable-stayed bridge steel cable anchor system Download PDFInfo
- Publication number
- CN108004907A CN108004907A CN201810078798.XA CN201810078798A CN108004907A CN 108004907 A CN108004907 A CN 108004907A CN 201810078798 A CN201810078798 A CN 201810078798A CN 108004907 A CN108004907 A CN 108004907A
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- China
- Prior art keywords
- steel
- cable
- king
- steel anchor
- plate
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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 232
- 239000010959 steel Substances 0.000 title claims abstract description 232
- 239000003351 stiffener Substances 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 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
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/04—Cable-stayed bridges
-
- 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
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
-
- 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
- E01D2101/30—Metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention belongs to municipal technical field of bridge engineering, and in particular to lattice-type steel truss pylon cable-stayed bridge steel cable anchor system.It includes the steel anchor beam being welded on lattice steel tower column and the steel anchor box for being connected to steel anchor beam both ends;The steel anchor beam is to set diaphragm plate by the beam body of bottom plate, top plate and side plate closing welding, inside;The steel anchor box includes king-post outer portion and king-post inside points, is welded by side plate and top bottom sealing plate closing, king-post outer portion and king-post inside points are welded as a whole with lattice steel tower column.Steel anchor box includes protecting sleeve for steel cable, and the protecting sleeve for steel cable passes through vertical ribbed stiffener and the steel anchor box roof and floor and plate-side plate welding；Steel anchor box backing plate is equipped with the top of the steel anchor box king-post outer portion, steel anchor box backing plate downside is equipped with vertical ribbed stiffener in the steel anchor box king-post inside points both sides.It is difficult to solve the problems, such as that head tower cable-stayed bridge is anchored in steel tower column one end steel cable, specifies the Path of Force Transfer of steel cable Suo Li, Suo Li is evenly transferred on steel tower column.
Description
Technical field
The invention belongs to municipal bridge's design technical field, and in particular to a kind of lattice-type steel truss pylon cable-stayed bridge steel
Anchor-hold system.
Background technology
Cable-stayed bridge is a kind of bridge being directly pulled in girder with many drag-lines on bridge tower, is tower by pressure-bearing, tension
Rope and hold a kind of structural system that curved beam body combines；Anchor between lattice-type steel truss pylon cable-stayed bridge king-post and steel cable
Solid formula becomes the difficult point in the type Design of Cable-Stayed Bridge.
The drag-line of cable-stayed bridge is the key member for connecting king-tower and main bridge, and Cable forces are very big, the company of drag-line and steel tower column
Socket part position stress is more concentrated, in steel tower column using suitable steel anchor beam and steel anchor box can simple and effective transmission pulling force, into
And meet the security requirement during cable-stayed bridge use and service life requirement.
The content of the invention
It is an object of the invention to solve above-mentioned technical problem, there is provided lattice-type steel truss pylon cable-stayed bridge steel cable anchoring system
System, solves the problems, such as that lattice-type steel truss pylon cable-stayed bridge is difficult in steel tower column one end anchor-hold, specifies steel cable Suo Li's
Path of Force Transfer, makes Suo Li be evenly transferred on steel tower column.
The present invention program proposes that a kind of lattice-type steel truss pylon cable-stayed bridge steel cable anchor system, including both ends are welded on lattice
Steel anchor beam on structure formula steel tower column and the steel anchor box for being connected to steel anchor beam both ends;The steel anchor beam is by bottom plate, top plate and side
The beam body of plate closing welding, its internal setting diaphragm plate;The steel anchor box includes king-post outer portion and king-post inside points, by side
Plate and top bottom sealing plate closing are welded, and king-post outer portion and king-post inside points are welded as a whole with lattice steel tower column.Institute
State steel anchor box and further include protecting sleeve for steel cable between being located therein, the protecting sleeve for steel cable passes through the vertical ribbed stiffener on the outside of it and institute
State steel anchor box roof and floor and plate-side plate welding；Steel anchor box backing plate, the steel anchor box pad are equipped with the top of the steel anchor box king-post outer portion
Vertical ribbed stiffener is equipped with left and right sides of the steel anchor box king-post inside points on the downside of plate.
Further scheme, the steel anchor beam are internally provided with diaphragm plate, be equipped with the outside of the steel anchor beam transverse stiffener and
Vertical ribbed stiffener.
Further scheme, the steel anchor beam is in ribbed stiffener and the steel anchor beam top plate are generally aligned in the same plane laterally outside.
Further scheme, the steel anchor box king-post outer portion side plate and top bottom sealing plate are concordant in steel anchor box backing plate one end,
And welded with the steel anchor box backing plate.
Further scheme, the protecting sleeve for steel cable outside are equipped with protecting pipe ribbed stiffener, the protecting pipe ribbed stiffener and institute
State steel anchor box side plate and top bottom sealing plate is welded as a whole.
Further scheme, the steel anchor box backing plate are equipped with reserved opening, and the sheath pipe end is at hole location
Welding.
Further scheme, the steel anchor box king-post inside points correspond to the steel anchor box king-post outer portion steel anchor box backing plate
Under vertical ribbed stiffener position at corresponding vertical ribbed stiffener is set.
This programme has the beneficial effect that：
1st, lattice-type steel truss pylon cable-stayed bridge steel anchor beam and steel anchor box provided by the invention, including one group of steel anchor beam and two groups of steel anchors
Case, steel anchor box are arranged at steel anchor beam both sides, and every group of steel anchor box includes king-post outer portion and king-post inside points, simple structure, size
It is smaller, occupy little space；Steel anchor box king-post inside points can be assembled integral in factory at the same time with steel tower column, easy to construct, steel anchor
Beam can be assembled integral in factory, is readily transported and on-site hoisting, thus makes and install simple, construction efficiency higher.
2nd, to prevent steel anchor beam side plate and steel anchor box king-post outer portion top bottom sealing plate stress is excessive excessively concentrates, in steel anchor box
Transverse stiffener and vertical stiffener is set to carry out dispersive stress on the downside of front and rear sides, steel anchor box anchor plate.
3rd, internal protecting sleeve for steel cable is welded integral by the ribbed stiffener positioned at its surrounding and anchor slab, to ensure steel anchor box tower
Column external force can uniformly transfer to steel tower column, king-post inner side and also accordingly set steel anchor box king-post inside points stiffener.
4th, the specific length of two parts can be done according to steel cable stress size and anchor points inside and outside steel anchor box in the present invention
Accordingly adjust, the position that the inclination angle between steel anchor box and steel tower column can also be arranged according to steel cable is corresponding to be adjusted.
Brief description of the drawings
Fig. 1 is lattice-type steel truss pylon cable-stayed bridge steel cable anchor system steel anchor beam plan of the present invention；
Fig. 2 is lattice-type steel truss pylon cable-stayed bridge steel cable anchor system steel anchor beam front elevation view of the present invention；
Fig. 3 is lattice-type steel truss pylon cable-stayed bridge steel cable anchor system steel anchor beam side elevational view of the present invention；
Fig. 4 is lattice-type steel truss pylon cable-stayed bridge steel cable anchor system steel anchor box front elevation view of the present invention；
Fig. 5 is lattice-type steel truss pylon cable-stayed bridge steel cable anchor system steel anchor box king-post outer portion plan of the present invention；
Fig. 6 is lattice-type steel truss pylon cable-stayed bridge steel cable anchor system steel anchor box king-post inside points plan of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with attached drawing and specific implementation
Mode, the present invention will be described in further detail.It should be appreciated that the specific embodiments described herein are only explaining this
Invention, is not intended to limit the present invention.
As shown in figures 1-4, the present invention program proposes a kind of lattice-type steel truss pylon cable-stayed bridge steel cable anchor system, bag
Include steel anchor beam 1 that both ends are welded on lattice steel tower column and the steel anchor box 2 for being connected to 1 both sides of steel anchor beam, the steel anchor beam 1
Beam body including closing welding by bottom plate 11, top plate 12 and side plate 13, its internal setting diaphragm plate 14；The outside of steel anchor beam 1
Equipped with transverse stiffener 15 and vertical ribbed stiffener 16.The steel anchor box 2 includes king-post outer portion and king-post inside points, the steel anchor
2 one end of case is connected as one with lattice steel tower column, the steel anchor box 2 by side plate 13 and the king-post outer portion of steel anchor box 2 top
The closing of bottom sealing plate 21 is welded, and the steel anchor box 2 further includes the steel being welded as a whole with the side plate 13 and top bottom sealing plate 21
Rope protecting pipe 22, the top of steel anchor box 2 are equipped with steel anchor box backing plate 23, and the downside of steel anchor box backing plate 23 and front and rear sides are equipped with
Transverse stiffener 24 and vertical ribbed stiffener 25.The transverse stiffener 15 is generally aligned in the same plane interior with the top plate 12.The side
Corresponded on plate 13 and backing plate reserved opening 130 is equipped with steel anchor box backing plate 23.
Specifically as shown in Fig. 2 and 5,22 outer circumferential side of protecting sleeve for steel cable is equipped with protecting pipe ribbed stiffener 221, the protecting pipe
Ribbed stiffener 221 is welded as a whole with the side plate 13 and top bottom sealing plate 12.The steel anchor box backing plate 23 is equipped with preformed hole 230.
The steel anchor box 2 is internally provided with the stiffener 26 for reinforcing assembling.
Specifically as shown in Fig. 1~5, to strengthen the rigidity of steel anchor beam 1, the inside of steel anchor box 2 sets diaphragm plate 14, steel anchor beam 1
Outside sets vertical ribbed stiffener 16 and transverse stiffener 15,1 both sides of steel anchor beam to be symmetrical arranged, at transverse stiffener 15 and top plate 2
In in same plane.The height of the ribbed stiffener 16 elevationally outward of steel anchor beam 1 is adjusted accordingly according to the height change of side plate 13.This reality
1 physical length of steel anchor beam applied in example can be adjusted according to the spacing between steel tower column, 1 beam-ends of steel anchor beam with both sides head tower
Column is welded as a whole.
As shown in Fig. 1~5,2 king-post outboard section of steel anchor box is by 2 king-post of steel anchor beam side plate 13 and steel anchor box in the present embodiment
The top bottom sealing plate 12 of outer portion is welded into closing structure, and inside closing structure, protecting sleeve for steel cable 22 is by positioned at protecting sleeve for steel cable
The protecting pipe ribbed stiffener 221 of the steel anchor box king-post outer portion of 22 surroundings and steel anchor beam side plate 13 and steel anchor box king-post outer portion top bottom
Sealing plate 12 is welded into entirety, and 2 tip position of steel anchor box is steel anchor box anchor plate 23, and steel anchor box anchor plate 23 should reserve cable wire anchor
Solid hole 230.To prevent 1 side plate 13 of steel anchor beam and 2 king-post outer portion top 12 stress of bottom sealing plate of steel anchor box are excessive excessively concentrates, in steel
2 front and rear sides of anchor case, the downside of steel anchor box anchor plate 23 set 2 king-post outer portion transverse stiffener 24 of steel anchor box and 2 tower of steel anchor box
Column outer portion vertical stiffener 25 carrys out dispersive stress.2 king-post inboard portion member position of steel anchor box with outside 2 king-post of steel anchor box
Each component in side part is corresponding, and corresponding two component is in same plane, and 2 king-post inboard portion of steel anchor box is by steel anchor box 2
The inside points side seal board 27 of 2 king-post of top bottom sealing plate 21 and steel anchor box of king-post inside points is welded into closing structure, its internal cable wire
Protecting pipe 22 is welded into by the protecting pipe ribbed stiffener 221 of the steel anchor box king-post inside points positioned at 22 surrounding of protecting sleeve for steel cable
It is overall, also accordingly set to ensure that 2 king-post outboard section stress of steel anchor box can be uniformly transferred to lattice steel tower column, king-post inner side
Put 2 king-post inside points stiffener 26 of steel anchor box.
2 king-post outboard section of steel anchor box is connected as one without anchor plate one end and lattice steel tower column, as shown in figure 4, steel
2 king-post inboard portion one end of anchor case is welded as a whole with 2 king-post outboard section relevant position of steel anchor box, inside 2 king-post of steel anchor box
Top 12 two sides of bottom sealing plate are divided to be welded as entirety with lattice steel tower column.The specific length of two parts inside and outside steel anchor beam 1 in the present invention
Can accordingly it be adjusted according to steel cable stress size and anchor points, the inclination angle between steel anchor box and lattice steel tower column also may be used
Accordingly adjusted according to the position that steel cable is arranged.
Lattice-type steel truss pylon cable-stayed bridge steel anchor beam 1 and steel anchor box 2 provided by the invention, including one group of steel anchor beam 1 and two
Group steel anchor box 2, steel anchor box 2 are arranged at 1 both sides of steel anchor beam, and every group of steel anchor box 2 includes king-post outer portion and king-post inside points, construction
Simply, size is smaller, occupies little space；Steel anchor box king-post inside points can be assembled into one in factory at the same time with lattice steel tower column
Body, easy to construct, steel anchor box king-post outboard section can be assembled integral in factory at the same time with steel anchor beam, is readily transported and scene is hung
Dress, thus makes and installs simple, construction efficiency higher.
It should be appreciated that although the present specification is described in terms of embodiments, not each embodiment only includes one
A independent technical solution, this narrating mode of specification is only that those skilled in the art will should say for clarity
Bright book is as an entirety, and the technical solutions in the various embodiments may also be suitably combined, and forming those skilled in the art can be with
The other embodiment of understanding.
Claims (7)
1. a kind of lattice-type steel truss pylon cable-stayed bridge steel cable anchor system, including both ends are welded on the steel on lattice steel tower column
Anchor beam and the steel anchor box for being connected to steel anchor beam both ends;The steel anchor beam is the beam body welded by the closing of bottom plate, top plate and side plate,
Its internal setting diaphragm plate;The steel anchor box includes king-post outer portion and king-post inside points, by side plate and top bottom sealing plate closing
It is welded, king-post outer portion and king-post inside points are welded as a whole with lattice steel tower column;
The steel anchor box further includes the protecting sleeve for steel cable between being located therein, and the protecting sleeve for steel cable passes through vertically putting more energy on the outside of it
Rib and the steel anchor box roof and floor and plate-side plate welding；Steel anchor box backing plate, the steel are equipped with the top of the steel anchor box king-post outer portion
Vertical ribbed stiffener is equipped with left and right sides of the steel anchor box king-post inside points on the downside of anchor case backing plate.
2. lattice-type steel truss pylon cable-stayed bridge steel cable anchor system as claimed in claim 1, it is characterised in that：The steel anchor
Beam is internally provided with diaphragm plate, and transverse stiffener and vertical ribbed stiffener are equipped with the outside of the steel anchor beam.
3. lattice-type steel truss pylon cable-stayed bridge steel cable anchor system as claimed in claim 1, it is characterised in that：The steel anchor
Beam is in ribbed stiffener and the steel anchor beam top plate are generally aligned in the same plane laterally outside.
4. lattice-type steel truss pylon cable-stayed bridge steel cable anchor system as claimed in claim 1, it is characterised in that：The steel anchor
Case king-post outer portion side plate and top bottom sealing plate are concordant in steel anchor box backing plate one end, and are welded with the steel anchor box backing plate.
5. lattice-type steel truss pylon cable-stayed bridge steel cable anchor system as claimed in claim 1, it is characterised in that：The cable wire
Protecting pipe ribbed stiffener is equipped with the outside of protecting pipe, the protecting pipe ribbed stiffener is welded as one with the steel anchor box side plate and top bottom sealing plate
Body.
6. lattice-type steel truss pylon cable-stayed bridge steel cable anchor system as claimed in claim 1, it is characterised in that：The steel anchor
Case backing plate is equipped with reserved opening, and the sheath pipe end welds at hole location.
7. lattice-type steel truss pylon cable-stayed bridge steel cable anchor system as claimed in claim 1, it is characterised in that：The steel anchor
Case king-post inside points, which correspond at the vertical ribbed stiffener position under the steel anchor box king-post outer portion steel anchor box backing plate, to be set accordingly
Vertical ribbed stiffener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810078798.XA CN108004907A (en) | 2018-01-26 | 2018-01-26 | A kind of lattice-type steel truss pylon cable-stayed bridge steel cable anchor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810078798.XA CN108004907A (en) | 2018-01-26 | 2018-01-26 | A kind of lattice-type steel truss pylon cable-stayed bridge steel cable anchor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108004907A true CN108004907A (en) | 2018-05-08 |
Family
ID=62066221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810078798.XA Withdrawn CN108004907A (en) | 2018-01-26 | 2018-01-26 | A kind of lattice-type steel truss pylon cable-stayed bridge steel cable anchor system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108004907A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485253A (en) * | 2019-07-26 | 2019-11-22 | 中铁大桥勘测设计院集团有限公司 | A kind of anchor and installation method of commensurate structure vertical shift |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029472A (en) * | 2007-03-21 | 2007-09-05 | 浙江省舟山连岛工程建设指挥部 | Tower column of stayed-cable bridge and its construction |
| KR20110095219A (en) * | 2011-07-04 | 2011-08-24 | 이현우 | Apparatus for introducing tensile force in strand |
| CN203668828U (en) * | 2014-01-14 | 2014-06-25 | 山东省交通规划设计院 | Bridge tower combination anchoring system applied to space cable cable-stayed bridge |
| CN104562932A (en) * | 2015-01-06 | 2015-04-29 | 大连理工大学 | Embedded type steel anchor box |
| CN204418022U (en) * | 2015-01-20 | 2015-06-24 | 四川路桥桥梁工程有限责任公司 | Full bolt connects assembled tool type steel pipe post pylon |
| CN207775697U (en) * | 2018-01-26 | 2018-08-28 | 西安市政设计研究院有限公司 | A kind of lattice-type steel truss pylon cable-stayed bridge steel cable anchor system |
-
2018
- 2018-01-26 CN CN201810078798.XA patent/CN108004907A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029472A (en) * | 2007-03-21 | 2007-09-05 | 浙江省舟山连岛工程建设指挥部 | Tower column of stayed-cable bridge and its construction |
| KR20110095219A (en) * | 2011-07-04 | 2011-08-24 | 이현우 | Apparatus for introducing tensile force in strand |
| CN203668828U (en) * | 2014-01-14 | 2014-06-25 | 山东省交通规划设计院 | Bridge tower combination anchoring system applied to space cable cable-stayed bridge |
| CN104562932A (en) * | 2015-01-06 | 2015-04-29 | 大连理工大学 | Embedded type steel anchor box |
| CN204418022U (en) * | 2015-01-20 | 2015-06-24 | 四川路桥桥梁工程有限责任公司 | Full bolt connects assembled tool type steel pipe post pylon |
| CN207775697U (en) * | 2018-01-26 | 2018-08-28 | 西安市政设计研究院有限公司 | A kind of lattice-type steel truss pylon cable-stayed bridge steel cable anchor system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485253A (en) * | 2019-07-26 | 2019-11-22 | 中铁大桥勘测设计院集团有限公司 | A kind of anchor and installation method of commensurate structure vertical shift |
| WO2021017581A1 (en) * | 2019-07-26 | 2021-02-04 | 中铁大桥勘测设计院集团有限公司 | Anchoring apparatus that adapts to longitudinal movement of structure and installation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Jun Inventor after: Gao Zhongjun Inventor after: Liu Jian Inventor after: Du Baiji Inventor after: Sun Huping Inventor after: Liu Jianshe Inventor after: Yang Weining Inventor after: Qu Dongyang Inventor after: Yang Kun Inventor before: Wang Jun Inventor before: Sun Huping Inventor before: Liu Jian Inventor before: Liu Jianshe Inventor before: Yang Weining Inventor before: Qu Dongyang Inventor before: Yang Kun |
|
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180508 |