CN106948263B - A kind of cable-stayed bridge concrete pylon anchor tie plate - Google Patents
A kind of cable-stayed bridge concrete pylon anchor tie plate Download PDFInfo
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- CN106948263B CN106948263B CN201710325513.3A CN201710325513A CN106948263B CN 106948263 B CN106948263 B CN 106948263B CN 201710325513 A CN201710325513 A CN 201710325513A CN 106948263 B CN106948263 B CN 106948263B
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- anchor
- plate
- cable
- concrete pylon
- crimping
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- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of cable-stayed bridge concrete pylon anchor tie plates, including the pre-stress system (5) being placed in concrete pylon (12), and it is located at two sets of crimping pedestals (3) at pre-stress system (5) both ends, connect pulling plate (4) and anchor rope component (2), wherein, crimping pedestal (3) is separately mounted to concrete pylon (12) in the installation notch reserved along bridge to two sides, pre-stress system (5) tensioning forms arc prestressed structure, its both ends is each passed through the installation notch, and it is anchored on the crimping pedestal (3), connection pulling plate (4) both ends are respectively fixedly connected with crimping pedestal (3) and anchor rope component (2).Compared with prior art, the present invention proposes a kind of completely new cable-stayed bridge concrete pylon anchor cable device, it forms flexible saddle structure by the way that pre-stress system is arranged, solve drag-line sliding problem of the Sarasota using traditional saddle when, eliminate the requirement of the models such as saddle both ends drag-line, the scope of application is wider etc..
Description
Technical field
The present invention relates to technical field of civil engineering, more particularly, to a kind of cable-stayed bridge concrete pylon anchor tie plate.
Background technique
Cable-stayed bridge is one of main bridge type of Large Span Bridges, is widely used in the Important Projects such as over strait, river, river.Oblique pull
Bridge mainly includes Sarasota, girder, suspension cable etc., and Sarasota anchor cable device is key structure therein.
Anchor tie plate is tiltedly used as one of the broad form of cable-stayed bridge anchor cable device, clear with mode of transfer force, installation and maintenance
Conveniently, the advantages that influence to bridge structure and landscape is small, therefore the often first choice of steel girder, combination steel girder anchor cable.
Anchor tie plate is applied to cable-stayed bridge concrete pylon, plays structural advantage, replaces traditional saddle, overcomes drag-line sliding etc.
Problem, at present also in the technological gap stage.In this regard, having not been reported both at home and abroad.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of cable-stayed bridge concrete
Sarasota anchor tie plate.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of cable-stayed bridge concrete pylon anchor tie plate, including the pre-stress system being placed in concrete pylon, Yi Jiwei
Two sets of crimping pedestals, connection pulling plate and anchor rope component in pre-stress system both ends, wherein the crimping pedestal is installed respectively
In concrete pylon in the installation notch reserved along bridge to two sides, the pre-stress system tensioning forms arc prestressing force knot
Structure, both ends are each passed through the installation notch, and are anchored on the crimping pedestal, and the connection pulling plate both ends are solid respectively
Fixed connection crimping pedestal and anchor rope component.
As preferred embodiment, the pre-stress system is made of prestressing tendon and prestressed anchor, wherein institute
The prestressing tendon stated is arranged in concrete pylon and tensioning is arc-shaped, and the prestressed anchor is used for the prestressing tendon
End anchorage crimping pedestal on.
Embodiment more preferably, the prestressing tendon are 12 strands of steel strand prestress beams.
As preferred embodiment, the connection pulling plate is symmetrical, the hollow cross knot of four pieces of paddles composition
Structure, upper and lower two parts of the cross-shaped structure are connected on anchor rope component and crimping pedestal, and the four of the cross-shaped structure
Angle forms the anchoring space of the pre-stress system on crimping pedestal.
Embodiment more preferably, the crimping pedestal are a rectangular thick plate, and institute is arranged on big face line of symmetry
State connection pulling plate.
As preferred embodiment, the anchor rope component include support tube, anchor plate, dragline anchorage, top cap plate and
Conduit, wherein one end of the support tube towards crimping pedestal is equipped with the anchor plate, and the other end connect with conduit, supporting
The link position of pipe and conduit is additionally provided with top cap plate radially；
When installation, one end of the connection pulling plate is fixedly connected with the crimping pedestal, and the other end is respectively fixedly connected with institute
Top cap plate and support tube lateral surface are stated,
One end of drag-line is anchored on Cable-stayed Bridges, and the other end sequentially passes through conduit and support tube, and by guy anchor
Tool is anchored on the anchor plate.
Embodiment more preferably, the connection pulling plate are welded and fixed with top cap plate and support tube lateral surface,
Wherein, the sealing wire and pipe axis for connecting pulling plate and support tube are in the same direction, connect pulling plate and also crimp pedestal and top cap plate is vertical with described
Welding.
Compared with prior art, the invention has the following advantages that
(1) anchor tie plate of the invention forms a kind of flexible saddle structure, solves rope by the setting of pre-stress system
Drag-line sliding problem when tower is using traditional saddle, eliminates the requirement of the models such as saddle both ends drag-line, the scope of application is wider.
(2) its position and shape in Sarasota can be adjusted flexibly in pre-stress system, will crimp pedestal crimping with precompression
In on concrete pylon, anchor cable pulling force is finally transmitted to by concrete pylon with the variation of precompression.
(3) bending part of structure is flexible prestressing system, and standardization, the degree of batch production are higher.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of anchor tie plate of the invention；
Fig. 2 is the partial structural diagram of anchor tie plate of the invention；
Fig. 3 is the overall structure diagram of anchor tie plate of the invention；
In figure, 1- anchor tie plate, 2- anchor rope component, 3- crimping pedestal, 4- connection pulling plate, 5- pre-stress system, 6- support tube,
7- anchor plate, 8- top cap plate, 9- conduit, 10- prestressing tendon, 11- prestressed anchor, 12- concrete pylon, 13- drag-line, 14-
Dragline anchorage, 15- installation notch.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
Cable-stayed bridge is pillar tower sector single cable plane three across cable-stayed bridge, and concrete pylon 12 carries out drag-line using anchor tie plate 1
13 anchoring.
Referring to Fig. 1, the anchor tie plate 1 of cable-stayed bridge concrete pylon 12 is steel, by anchor rope component 2, crimping pedestal 3, is connected
It connects pulling plate 4 and pre-stress system 5 forms.
Referring to Fig. 3, pre-stress system 5 is made of 12 strands of steel strand prestress beams 10 and corresponding prestressed anchor 11,
Position and shape can be adjusted flexibly in Sarasota.
Referring to figs. 2 and 3, for anchor rope component 2 based on support tube 6, anchor plate 7, the other end are welded in one end of support tube 6
Weld top cap plate 8 and conduit 9.When installation, one end of drag-line 13 is anchored on Cable-stayed Bridges, and the other end passes through 6 He of support tube
Conduit 9, and be fixed on anchor plate 7 by dragline anchorage 14.
Referring to fig. 2, connection pulling plate 4 is symmetrical, the hollow cross-shaped structure of four pieces of paddles composition, the cross-shaped structure
One end is welded on the lateral surface of 2 support tube 6 of anchor rope component, and sealing wire and pipe axis are in the same direction, and the other end is vertically welded in crimping
On pedestal 3.
Referring to fig. 2, crimping pedestal 3 is a rectangular thick plate, welds criss-cross connection pulling plate 4, quadrangle on big face line of symmetry
Circular hole is opened in region, prestressed anchor 11, anchoring prestress beam 10 is arranged.
Referring to Fig. 3, when construction, concrete pylon 12 in the installation notch 15 along bridge to reserved a pair of of the crimping pedestal 3 in two sides,
With the pipeline passed through for the prestressing tendon 10 for connecting two installation notch 15.After the completion of Sarasota, installation is by anchor rope component 2, crimping base
The sub-assembly that seat 3 and connection pulling plate 4 weld, installs prestressing tendon 10, and a pair of crimping pedestal 3 is crimped on by tensioning precompression beam
On concrete pylon 12.
Referring to Fig. 3, by anchor rope component 2, crimping pedestal 3 and the general sub-assembly that pulling plate 4 welds is connected in use, a pair of,
It is connected by the pre-stress system 5 of arc, forms a kind of flexible saddle structure, in, end bay side is respectively with 14 anchor of dragline anchorage
Gu guy of twisted steel cable 13.Structure is finally transmitted anchor cable pulling force with the variation for crimping precompression between pedestal 3 and concrete pylon 12
To concrete pylon 12.The radius change of traditional saddle, the sliding of drag-line 13, number of share of stock continuous problem are resolved.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (5)
1. a kind of cable-stayed bridge concrete pylon anchor tie plate, which is characterized in that pre- answered including be placed in concrete pylon (12)
Force system (5), and it is located at two sets of crimping pedestals (3), connection pulling plate (4) and the anchor rope component at pre-stress system (5) both ends
(2), wherein the crimping pedestal (3) is separately mounted to concrete pylon (12) in the installation notch reserved along bridge to two sides
Interior, pre-stress system (5) tensioning forms arc prestressed structure, and both ends are each passed through the installation notch, and anchor
Gu described connection pulling plate (4) both ends are respectively fixedly connected with crimping pedestal (3) and anchor rope component on the crimping pedestal (3)
(2)；
The pre-stress system (5) is made of prestressing tendon (10) and prestressed anchor (11), wherein the prestressing tendon
(10) setting is in concrete pylon (12) and tensioning is arc-shaped, and the prestressed anchor (11) is used for the prestressing tendon
(10) end anchorage is in crimping pedestal (3)；
The connection pulling plate (4) be four pieces of paddles composition symmetrical, hollow cross-shaped structure, the cross-shaped structure it is upper,
Lower two parts are connected on anchor rope component (2) and crimping pedestal (3), and the quadrangle of the cross-shaped structure is in crimping pedestal
(3) the anchoring space of the pre-stress system (5) is formed on.
2. a kind of cable-stayed bridge concrete pylon anchor tie plate according to claim 1, which is characterized in that the prestressing force
Beam (10) is 12 strands of steel strand prestress beams.
3. a kind of cable-stayed bridge concrete pylon anchor tie plate according to claim 1, which is characterized in that the crimping base
Seat (3) is a rectangular thick plate, and the connection pulling plate (4) is arranged on big face line of symmetry.
4. a kind of cable-stayed bridge concrete pylon anchor tie plate according to claim 1, which is characterized in that the anchor cable group
Part (2) includes support tube (6), anchor plate (7), dragline anchorage (14), top cap plate (8) and conduit (9), wherein the support tube
(6) anchor plate (7) are equipped with towards one end of crimping pedestal (3), the other end connect with conduit (9), in support tube (6) and leads
The link position of pipe (9) is additionally provided with top cap plate (8) radially；
When installation, one end of the connection pulling plate (4) is fixedly connected with the crimping pedestal (3), and the other end is respectively fixedly connected with
The top cap plate (8) and support tube (6) lateral surface,
One end of drag-line (13) is anchored on Cable-stayed Bridges, and the other end sequentially passes through conduit (9) and support tube (6), and by
Dragline anchorage (14) is anchored on the anchor plate (7).
5. a kind of cable-stayed bridge concrete pylon anchor tie plate according to claim 4, which is characterized in that the connection is drawn
Plate (4) is welded and fixed with support tube (6) lateral surface and top cap plate (8) respectively, wherein the weldering of connection pulling plate (4) and support tube (6)
Wiring and pipe axis are in the same direction, and connection pulling plate (4) also crimps pedestal (3) and top cap plate (8) vertical welding with described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710325513.3A CN106948263B (en) | 2017-05-10 | 2017-05-10 | A kind of cable-stayed bridge concrete pylon anchor tie plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710325513.3A CN106948263B (en) | 2017-05-10 | 2017-05-10 | A kind of cable-stayed bridge concrete pylon anchor tie plate |
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| CN106948263A CN106948263A (en) | 2017-07-14 |
| CN106948263B true CN106948263B (en) | 2019-02-19 |
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| CN201710325513.3A Active CN106948263B (en) | 2017-05-10 | 2017-05-10 | A kind of cable-stayed bridge concrete pylon anchor tie plate |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107762238B (en) * | 2017-10-13 | 2019-05-10 | 中国水利水电第十一工程局有限公司 | A kind of king-post prestressed strand lifting position control method |
| CN108978485B (en) * | 2018-08-24 | 2020-02-14 | 中交路桥建设有限公司 | Method for on-site installation of anchor plate of steel structure cable-stayed bridge |
| CN110468709A (en) * | 2019-08-16 | 2019-11-19 | 柳州欧维姆机械股份有限公司 | A kind of cable-stayed bridge segmentation guy system and its fabrication and installation method with prestressing force cable saddle structure |
| CN113047171A (en) * | 2021-04-21 | 2021-06-29 | 中国铁路设计集团有限公司 | Built-in steel strand wires-vaulting pole cable-stay bridge cable tower anchor structure |
| CN113047172A (en) * | 2021-04-21 | 2021-06-29 | 中国铁路设计集团有限公司 | External steel strand wires-vaulting pole cable-stay bridge cable tower anchor structure |
Citations (6)
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|---|---|---|---|---|
| DE3428813A1 (en) * | 1984-08-04 | 1986-02-13 | Fried. Krupp Gmbh, 4300 Essen | Apparatus for tensioning a stay cable, in particular of cable-stayed bridges |
| JP4663563B2 (en) * | 2006-03-22 | 2011-04-06 | 独立行政法人鉄道建設・運輸施設整備支援機構 | Saddle structure for bridge |
| CN203768811U (en) * | 2014-02-21 | 2014-08-13 | 同济大学 | Embedded steel anchor beam combined pylon anchoring structure |
| CN104099874A (en) * | 2014-07-28 | 2014-10-15 | 上海市城市建设设计研究总院 | Steel strand inhaul cable tension construction method by taking slip-resistant stud as locking device |
| CN105970819A (en) * | 2016-05-31 | 2016-09-28 | 中铁大桥局集团第五工程有限公司 | Installation construction method for steel anchor beams |
| CN206800195U (en) * | 2017-05-10 | 2017-12-26 | 安徽省交通控股集团有限公司 | A kind of cable-stayed bridge concrete pylon anchor tie plate |
-
2017
- 2017-05-10 CN CN201710325513.3A patent/CN106948263B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3428813A1 (en) * | 1984-08-04 | 1986-02-13 | Fried. Krupp Gmbh, 4300 Essen | Apparatus for tensioning a stay cable, in particular of cable-stayed bridges |
| JP4663563B2 (en) * | 2006-03-22 | 2011-04-06 | 独立行政法人鉄道建設・運輸施設整備支援機構 | Saddle structure for bridge |
| CN203768811U (en) * | 2014-02-21 | 2014-08-13 | 同济大学 | Embedded steel anchor beam combined pylon anchoring structure |
| CN104099874A (en) * | 2014-07-28 | 2014-10-15 | 上海市城市建设设计研究总院 | Steel strand inhaul cable tension construction method by taking slip-resistant stud as locking device |
| CN105970819A (en) * | 2016-05-31 | 2016-09-28 | 中铁大桥局集团第五工程有限公司 | Installation construction method for steel anchor beams |
| CN206800195U (en) * | 2017-05-10 | 2017-12-26 | 安徽省交通控股集团有限公司 | A kind of cable-stayed bridge concrete pylon anchor tie plate |
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