CN106948263A - 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
- Publication number
- CN106948263A CN106948263A CN201710325513.3A CN201710325513A CN106948263A CN 106948263 A CN106948263 A CN 106948263A CN 201710325513 A CN201710325513 A CN 201710325513A CN 106948263 A CN106948263 A CN 106948263A
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- China
- Prior art keywords
- anchor
- cable
- tie
- concrete pylon
- crimping
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Classifications
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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
Abstract
The present invention relates to a kind of cable-stayed bridge concrete pylon anchor tie plate, including the pre-stress system (5) being placed in concrete pylon (12), and two sets of crimping pedestals (3) positioned at pre-stress system (5) two ends, connect arm-tie (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 both sides, pre-stress system (5) tensioning forms arc prestressed structure, its two ends is each passed through the installation notch, and be anchored on the crimping pedestal (3), connection arm-tie (4) two 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 brand-new cable-stayed bridge concrete pylon anchor cable device, it forms flexible saddle structure by setting pre-stress system, Sarasota is solved using drag-line sliding problem during traditional saddle, eliminate the requirement of the models such as saddle two 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 technology
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 tiltedly as one of broad form of cable-stayed bridge anchor cable device, is installed and safeguarded with mode of transfer force clearly
It is convenient, the advantages of influence to bridge structure and landscape is small, therefore often steel girder, the first choice of combination steel girder anchor cable.
Anchor tie plate is applied to cable-stayed bridge concrete pylon, plays structural advantage, and the traditional saddle of substitution overcomes drag-line slip etc.
Problem, at present also in the technological gap stage.In this regard, having not been reported both at home and abroad.
The content of the invention
The purpose of the present invention is exactly the defect in order to overcome above-mentioned prior art presence and provides 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 arm-tie and anchor rope component in pre-stress system two ends, wherein, described crimping pedestal is respectively mounted
In concrete pylon in the installation notch reserved along bridge to both sides, described pre-stress system tensioning forms arc prestressing force knot
Structure, its two ends are each passed through the installation notch, and are anchored on the crimping pedestal, and described connection arm-tie two ends are solid respectively
Fixed connection crimping pedestal and anchor rope component.
As preferred embodiment, described pre-stress system is made up of prestressing tendon and prestressed anchor, wherein, institute
The prestressing tendon stated is arranged in concrete pylon and tensioning is curved, and described prestressed anchor is used for the prestressing tendon
End anchorage crimping pedestal on.
As further preferred embodiment, described prestressing tendon is 12 strands of steel strand prestress beams.
As preferred embodiment, described connection arm-tie is symmetrical, the hollow cross knot of four pieces of paddle compositions
Structure, upper and lower two parts of the decussate texture are connected on anchor rope component and crimping pedestal, and the four of the decussate texture
Angle forms the anchoring space of the pre-stress system on crimping pedestal.
As further preferred embodiment, described crimping pedestal is to set institute on a rectangular thick plate, its big face line of symmetry
State connection arm-tie.
As preferred embodiment, described 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 provided with the anchor plate, and the other end is provided with conduit company with inside
Connect, top cap plate radially is additionally provided with the link position of support tube and conduit；
During installation, one end of described connection arm-tie is fixedly connected 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 bridge, and the other end sequentially passes through conduit and support tube, and by dragline anchorage anchor
It is fixed on the anchor plate.
As further preferred embodiment, described connection arm-tie is welded and fixed with top cap plate, support tube lateral surface, its
In, with pipe axle in the same direction, connection arm-tie also crimps pedestal and top cap plate vertical welding to the sealing wire of connection arm-tie and support tube with described
Connect.
Compared with prior art, the present invention has advantages below：
(1) anchor tie plate of the invention forms a kind of flexible saddle structure, solves rope by the setting of pre-stress system
Tower eliminates the requirement of the models such as saddle two ends drag-line, the scope of application is wider using drag-line sliding problem during traditional saddle.
(2) its position and shape in Sarasota can be adjusted flexibly in pre-stress system, and pedestal crimping will be crimped with precompression
In on concrete pylon, anchor cable pulling force is finally transmitted to by concrete pylon with the change of precompression.
(3) bending section of structure be flexible prestressing system, standardization, batch production degree it is higher.
Brief description of the drawings
Fig. 1 is the structural representation of the anchor tie plate of the present invention；
Fig. 2 is the partial structural diagram of the anchor tie plate of the present invention；
Fig. 3 is the overall structure diagram of the anchor tie plate of the present invention；
In figure, 1- anchor tie plates, 2- anchor rope components, 3- crimping pedestals, 4- connection arm-ties, 5- pre-stress systems, 6- support tubes,
7- anchor plates, 8- top cap plates, 9- conduits, 10- prestressing tendons, 11- prestressed anchors, 12- concrete pylons, 13- drag-lines, 14-
Dragline anchorage, 15- installation notch.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
Cable-stayed bridge is the fan-shaped single cable plane three of pillar tower across cable-stayed bridge, its concrete pylon 12 use progress drag-line of anchor tie plate 1
13 anchoring.
Referring to Fig. 1, the use anchor tie plate 1 of cable-stayed bridge concrete pylon 12 is steel, and it is by anchor rope component 2, crimping pedestal 3, company
Connect arm-tie 4 and pre-stress system 5 is constituted.
Referring to Fig. 3, pre-stress system 5 is made up 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 Fig. 2 and Fig. 3, anchor rope component 2 is based on support tube 6, one end welding anchor plate 7 of support tube 6, the other end
Weld top cap plate 8 and conduit 9.During installation, one end of drag-line 13 is anchored on cable-stayed bridge, and the other end passes through support tube 6 and conduit
9, and be fixed on by dragline anchorage 14 on anchor plate 7.
Referring to Fig. 2, connection arm-tie 4 is symmetrical, the hollow decussate texture of four pieces of paddle compositions, the decussate texture
One end is welded on the lateral surface of the support tube 6 of anchor rope component 2, and with pipe axle in the same direction, the other end is vertically welded in crimping to sealing wire
On pedestal 3.
Referring to Fig. 2, crimping pedestal 3 is that criss-cross connection arm-tie 4, corner are welded on a rectangular thick plate, big face line of symmetry
Circular hole is opened in region, to set prestressed anchor 11, anchoring prestress beam 10.
Referring to Fig. 3, during construction, concrete pylon 12 is reserving the installation notch 15 of a pair of crimping pedestals 3 along bridge to two sides,
The pipeline passed through with the prestressing tendon 10 for two installation notch 15 of connection.After the completion of Sarasota, install by anchor rope component 2, crimping base
The sub-assembly that seat 3 and connection arm-tie 4 are welded, installs prestressing tendon 10, and a pair of crimping pedestals 3 are crimped on by tensioning precompression beam
On concrete pylon 12.
Referring to Fig. 3, in use, a pair of general sub-assemblies welded by anchor rope component 2, crimping pedestal 3 and connection arm-tie 4,
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 the anchor of dragline anchorage 14
Gu guy of twisted steel cable 13.Structure is finally transmitted anchor cable pulling force with the change for crimping precompression between pedestal 3 and concrete pylon 12
To concrete pylon 12.The radius change of traditional saddle, drag-line 13 are slided, number of share of stock continuous problem is resolved.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using invention.
Person skilled in the art obviously can easily make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without passing through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability
Field technique personnel are according to the announcement of the present invention, and not departing from improvement and modification that scope made all should be the present invention's
Within protection domain.
Claims (7)
1. a kind of cable-stayed bridge concrete pylon anchor tie plate, it is characterised in that including be placed in concrete pylon (12) it is pre- should
Force system (5), and two sets of crimping pedestals (3), connection arm-tie (4) and anchor rope component positioned at pre-stress system (5) two ends
(2), wherein, described crimping pedestal (3) be separately mounted to concrete pylon (12) along bridge to both sides reserve installation notch
Interior, described pre-stress system (5) tensioning forms arc prestressed structure, and its two ends is each passed through the installation notch, and anchor
Gu on the crimping pedestal (3), described connection arm-tie (4) two ends are respectively fixedly connected with crimping pedestal (3) and anchor rope component
(2)。
2. a kind of cable-stayed bridge concrete pylon anchor tie plate according to claim 1, it is characterised in that described prestressing force
System (5) is made up of prestressing tendon (10) and prestressed anchor (11), wherein, described prestressing tendon (10) is arranged on concrete
Simultaneously tensioning is curved in Sarasota (12), and described prestressed anchor (11) is used to exist the end anchorage of the prestressing tendon (10)
Crimp on pedestal (3).
3. a kind of cable-stayed bridge concrete pylon anchor tie plate according to claim 2, it is characterised in that described prestressing force
Beam (10) is 12 strands of steel strand prestress beams.
4. a kind of cable-stayed bridge concrete pylon anchor tie plate according to claim 1, it is characterised in that described connection is drawn
Plate (4) is symmetrical, the hollow decussate texture of four pieces of paddle compositions, and upper and lower two parts of the decussate texture are connected respectively
On anchor rope component (2) and crimping pedestal (3), the corner of the decussate texture formed on crimping pedestal (3) it is described it is pre- should
The anchoring space of Force system (5).
5. a kind of cable-stayed bridge concrete pylon anchor tie plate according to claim 4, it is characterised in that described crimping base
Seat (3) is that the connection arm-tie (4) is set on a rectangular thick plate, its big face line of symmetry.
6. a kind of cable-stayed bridge concrete pylon anchor tie plate according to claim 1, it is characterised in that described 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) is provided with towards one end of crimping pedestal (3), the other end is provided with conduit (9) with inside and is connected, in branch
The link position of stay tube (6) and conduit (9) is additionally provided with top cap plate (8) radially；
During installation, one end of described connection arm-tie (4) is fixedly connected 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 bridge, and the other end sequentially passes through conduit (9) and support tube (6), and by drag-line
Anchorage (14) is anchored on the anchor plate (7).
7. a kind of cable-stayed bridge concrete pylon anchor tie plate according to claim 6, it is characterised in that described connection is drawn
Plate (4) is welded and fixed with top cap plate (8), support tube (6) lateral surface, wherein, the sealing wire of connection arm-tie (4) and support tube (6)
With pipe axle in the same direction, connection arm-tie (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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106948263A true CN106948263A (en) | 2017-07-14 |
| CN106948263B 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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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762238A (en) * | 2017-10-13 | 2018-03-06 | 中国水利水电第十工程局有限公司 | A kind of king-post prestressed strand lifts position control method |
| CN108978485A (en) * | 2018-08-24 | 2018-12-11 | 中交路桥建设有限公司 | A kind of steel construction cable-stayed bridge anchor tie plate field installation process |
| 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 |
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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762238A (en) * | 2017-10-13 | 2018-03-06 | 中国水利水电第十工程局有限公司 | A kind of king-post prestressed strand lifts position control method |
| 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 |
| CN108978485A (en) * | 2018-08-24 | 2018-12-11 | 中交路桥建设有限公司 | A kind of steel construction cable-stayed bridge anchor tie plate field installation process |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN106948263B (en) | 2019-02-19 |
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