CN110485253A - A kind of anchor and installation method of commensurate structure vertical shift - Google Patents
A kind of anchor and installation method of commensurate structure vertical shift Download PDFInfo
- Publication number
- CN110485253A CN110485253A CN201910682688.9A CN201910682688A CN110485253A CN 110485253 A CN110485253 A CN 110485253A CN 201910682688 A CN201910682688 A CN 201910682688A CN 110485253 A CN110485253 A CN 110485253A
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- China
- Prior art keywords
- steel pile
- pile casting
- guide pipe
- drag
- cable guide
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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
-
- 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
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses the anchors and installation method of a kind of commensurate structure vertical shift, are related to bridge anchorage technology field.Anchor includes: cable guide pipe, and drag-line is equipped in the cable guide pipe, and drag-line is fixedly connected by drag-line sealing drum with one end of cable guide pipe；Tubaeform steel pile casting, the tubaeform steel pile casting are located in cable guide pipe, and the internal diameter of tubaeform steel pile casting is incrementally increased along the direction far from drag-line sealing drum, and the outer wall of the tubaeform steel pile casting is fixedly connected with cable guide pipe inner wall.When drag-line follows girder that vertical misalignment occurs, the outer wall of drag-line is close to the inner wall of tubaeform steel pile casting, and the port of limitation drag-line and drag-line sealing drum shifts, and the concentration cutting force of drag-line and the port of drag-line sealing drum is transferred on tubaeform steel pile casting.Drag-line cable body part is avoided by biggish concentration cutting force, improves the safety of anchor system.
Description
Technical field
The present invention relates to bridge anchorage technology field, it is specifically related to anchor and the installation of a kind of commensurate structure vertical shift
Method.
Background technique
With the development of domestic and international cable-stayed bridge, span is increasing, and main span and end bay span ratio are also increasing.
Stayed-cable bridge structure system is complicated, and influence factor is numerous, jib-length, increase when end bay setting auxiliary pier can be reduced end bay construction
The overall stiffness of structure, to reach the beam stress reduced bridge under bridge completion state, tower bottom moment of flexure, tower top deviation, girder
Vertical deformation and drag-line stress, make structure stress tend to rational state.In order to make the main span rigidity of structure of cable-stayed bridge not by side
It influences often to be connected in the anchor point setting joining beam of end bay drag-line with lower part auxiliary pier across girder flexure, such Suo Li's is vertical
Pulling force caused by component can directly be born by auxiliary pier, reduce the flexure of end bay girder to substantially increase the rigid of main span
Degree.
However the processing of cable-stayed bridge auxiliary pier negative reaction is always a whether true key node of bridge alternatives.Pass through
It is best one of the scheme of efficiency highest, economy that girder is anchored on auxiliary pier stud by drag-line, however the pass that the program is realized
If key problem is after anchoring that length travel occurs for girder, as shown in figure 5, the drag-line 6 of anchor and drag-line sealing drum 7
Port will be by biggish concentration cutting force, and 6 long-time of drag-line be easy to appear abrasion, fracture by biggish concentration cutting force
Hidden danger seriously affects anchor system safety.Therefore, existing Anchorage Plan be only capable of anchor force less, vertical shift displacement do not grow
Medium and small span bridge in be applicable in, be unable to satisfy large-span girder anchoring needs.It can adapt to structure there has been no one kind at present to indulge
The solution of the anchoring structure of shifting.
Summary of the invention
The purpose of the invention is to overcome in above-mentioned background technique existing anchor that longitudinal position is occurred by girder
Under the influence of shifting, the port of drag-line and drag-line sealing drum will be by biggish concentration cutting force, and drag-line is for a long time by biggish
It concentrates cutting force to be easy to appear the hidden danger of abrasion, fracture, seriously affects the deficiency of anchor system safety, a kind of adaptation knot is provided
The anchor and installation method of structure vertical shift.
The present invention provides a kind of anchor of commensurate structure vertical shift characterized by comprising
Cable guide pipe, drag-line is equipped in the cable guide pipe, and drag-line connects by the way that one end of drag-line sealing drum and cable guide pipe is fixed
It connects；
Tubaeform steel pile casting, the tubaeform steel pile casting are located in cable guide pipe, and the internal diameter of tubaeform steel pile casting is along far from drawing
The direction of rope sealing drum incrementally increases, and the outer wall of the tubaeform steel pile casting is fixedly connected with cable guide pipe inner wall.
Preferred embodiment: being equipped with circumferential ribbed stiffener between the outer wall and cable guide pipe inner wall of the tubaeform steel pile casting and radial direction adds
Strength rib, circumferential ribbed stiffener are circular ring shape, and radial ribbed stiffener is that strip, circumferential ribbed stiffener and radial ribbed stiffener and tubaeform steel protect
The outer wall of cylinder is fixedly connected with cable guide pipe inner wall.
Preferred embodiment: the radial direction ribbed stiffener is no less than 8, and radial ribbed stiffener is equal along the outer wall circumference of tubaeform steel pile casting
Cloth arrangement, it is described circumferential direction ribbed stiffener be equipped with it is multiple, it is multiple circumferential direction ribbed stiffeners along tubaeform steel pile casting axis direction uniformly at intervals
Arrangement, and the internal diameter of multiple circumferential ribbed stiffeners is incrementally increased along the direction far from drag-line sealing drum, two adjacent circumferential directions are put more energy into
The distance between rib is not more than 200mm.
Preferred embodiment: the axis of the tubaeform steel pile casting and the axis collinear of cable guide pipe, the tubaeform steel pile casting
Inner surface is that the horizontal curve being composed of straight line and circular curve is rotated by 360 ° around the axis of tubaeform steel pile casting and is formed, and circle is bent
The axial line distance of line to tubaeform steel pile casting is the radius R of circular curve；
The inner surface of the tubaeform steel pile casting is equipped with rubber pad, and the rubber pad is fitted in the inner wall of tubaeform steel pile casting
On, the outer wall of drag-line is bonded with rubber pad.
Preferred embodiment: the straight line of the horizontal curve is parallel with the axis of shape steel pile casting, and the length of straight line is not less than
200mm, the axial line distance of the straight line to tubaeform steel pile casting are the foozle of the radius of drag-line, the thickness of rubber pad, 3mm
The sum of.
Preferred embodiment: the straight line of the horizontal curve and circular curve are tangent, radius R >=P/q of circular curve, and wherein P is drag-line
Power, q are tubaeform steel pile casting radial direction bearing capacity；Length L >=2SR/H of circular curve, wherein S is the vertical shift amount of drag-line, and H is to draw
Anchor height is poor up and down for rope.
Preferred embodiment: one end of the cable guide pipe is welded with anchor plate, and the other end of cable guide pipe is welded with sealing off and covering anchorage plate, described
The both ends of tubaeform steel pile casting outer wall are respectively equipped with end circumferential direction ribbed stiffener, the inner wall welding of end circumferential direction ribbed stiffener and cable guide pipe
Connection, the circumferential direction ribbed stiffener are bonded with radial ribbed stiffener with the inner wall of cable guide pipe.
Preferred embodiment: the tubaeform steel pile casting is located remotely from one end of drag-line sealing drum, tubaeform steel in cable guide pipe
Casing is located on the outside of drag-line sealing drum.
Preferred embodiment: the structural material yield strength of the tubaeform steel pile casting is not less than 345MPa.
Another aspect of the present invention provides a kind of installation method of the anchor of commensurate structure vertical shift, including following step
It is rapid:
Cable guide pipe is made of nearly anchor section and remote anchor section two parts, and cable guide pipe is divided into nearly anchor section and remote anchor section is used to facilitate end
Portion's circumferential direction ribbed stiffener and cable guide pipe weld；
Tubaeform steel pile casting is processed by designed horizontal curve, is bonded rubber pad in the inner wall of tubaeform steel pile casting；
Radial ribbed stiffener, circumferential ribbed stiffener and end circumferential direction is welded by setting sequence in the outer wall of tubaeform steel pile casting to put more energy into
Rib；
Tubaeform steel pile casting part is inserted in the nearly anchor section of cable guide pipe, by setting position by wherein the one of tubaeform steel pile casting
The end circumferential direction ribbed stiffener at end and the inner wall of cable guide pipe are welded to connect；
Be inserted in the remote anchor section of cable guide pipe, the nearly anchor section of cable guide pipe and remote anchor section welding it is integral, and guarantee nearly anchor section and
The axis of remote anchor section is overlapped；
The inner wall of the end circumferential direction ribbed stiffener of the other end of tubaeform steel pile casting and cable guide pipe is welded to connect, it will be tubaeform
Steel pile casting and cable guide pipe form an entirety；
Anchor plate is welded in wherein one end of cable guide pipe, welds sealing off and covering anchorage plate in the other end of cable guide pipe；
Drag-line is penetrated in cable guide pipe carries out tensioning.
Based on the above technical solution, compared with prior art, advantages of the present invention is as follows:
1) anchor of a kind of commensurate structure vertical shift of the invention, the anchor are equipped with adaptive stay cable in cable guide pipe
The tubaeform steel pile casting of vertical misalignment, the inner surface of tubaeform steel pile casting be the horizontal curve that is composed of straight line and circular curve around
The axis of tubaeform steel pile casting is rotated by 360 ° to be formed.When drag-line follows girder that vertical misalignment occurs, the outer wall and loudspeaker of drag-line
The inner wall of shape steel pile casting is close to, and the port of limitation drag-line and drag-line sealing drum shifts, by the end of drag-line and drag-line sealing drum
The concentration cutting force of mouth is transferred on tubaeform steel pile casting.Since tubaeform steel pile casting increases drag-line outer wall and tubaeform steel shield
The contact area of cylinder inner wall avoids drag-line cable body part by biggish concentration cutting force, improves the safety of anchor system
Property.
2) anchor of a kind of commensurate structure vertical shift of the invention, the anchor is on the inner wall of tubaeform steel pile casting
It is fitted with rubber pad, which has good flexibility and wearability, can show when the outer wall of drag-line is contacted with rubber pad
The surface abrasion for reducing drag-line is write, the outer wall of drag-line is protected.The anchor tubaeform steel pile casting outer wall by setting
Fixed sequence welds radial ribbed stiffener, circumferential ribbed stiffener and end circumferential direction ribbed stiffener, radial ribbed stiffener, circumferential ribbed stiffener and end loops
So that cable guide pipe and tubaeform steel pile casting is formed an entirety to ribbed stiffener, be obviously improved the structural strength of tubaeform steel pile casting,
Improve the durability of tubaeform steel pile casting.
3) anchor of a kind of commensurate structure vertical shift of the invention, circular curve of the anchor in tubaeform steel pile casting
Section needs special designing, and circular curve radius R is not less than the ratio between drag-line power P and tubaeform steel pile casting radial direction bearing capacity q；Circle is bent
The vertical shift amount S of drag-line of the length L of line not less than 2 times is high divided by anchorage on drag-line again multiplied by the radius R of tubaeform steel pile casting
Spend difference H.This anchor is accurately calculated by mechanics in the size and shape of tubaeform steel pile casting and is obtained, this anchor is met
Service performance requirement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is in Fig. 1 along the cross-sectional view in the direction A-A；
Fig. 3 is in Fig. 1 along the cross-sectional view in the direction B-B；
Fig. 4 is using the drag-line vertical shift schematic diagram after the embodiment of the present invention；
Fig. 5 is drag-line vertical shift schematic diagram in background technique.
Appended drawing reference: 1- is tubaeform steel pile casting, the end 2- circumferential direction ribbed stiffener, 3- circumferential direction ribbed stiffener, 4- radial direction ribbed stiffener, 5-
Rubber pad, 6- drag-line, 7- drag-line sealing drum, 8- cable guide pipe, 9- sealing off and covering anchorage plate, 10- anchor plate.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in further detail.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Ground description, it is clear that the described embodiments are only a part but not all of the embodiments of the present application.Below to extremely
The description only actually of a few exemplary embodiment be it is illustrative, never as to the application and its application or using
Any restrictions.Based on the embodiment in the application, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, shall fall in the protection scope of this application.
Embodiment 1
Referring to shown in Fig. 1 to Fig. 3, the embodiment of the present invention provides a kind of anchor of commensurate structure vertical shift, comprising:
Cable guide pipe 8, cable guide pipe 8 are steel cylindrical tube structure, and drag-line 6 is equipped in cable guide pipe 8, and one end of drag-line 6 is logical
Drag-line sealing drum 7 is crossed to be fixedly connected with one end of cable guide pipe 8.
Tubaeform steel pile casting 1, this is tubaeform, and steel pile casting 1 is located in cable guide pipe 8, tubaeform steel pile casting 1 position in cable guide pipe 8
In one end far from drag-line sealing drum 7, tubaeform steel pile casting 1 is located at 7 outside of drag-line sealing drum.The internal diameter of tubaeform steel pile casting 1
It is incrementally increased along the direction far from drag-line sealing drum 7, the outer wall of tubaeform steel pile casting 1 is fixedly connected with 6 inner wall of cable guide pipe.Fig. 2
It is along the cross-sectional view in the direction A-A in Fig. 1, Fig. 3 is along the cross-sectional view in the direction B-B in Fig. 1, in order to highlight tubaeform steel in Fig. 3
The variation in the section of tubaeform steel pile casting 1 in the section of casing 1 and Fig. 2, the section of tubaeform steel pile casting 1 is done in Fig. 3
Amplification, and not actual size.The axis collinear of the axis of tubaeform steel pile casting 1 and cable guide pipe 8, tubaeform steel pile casting 1 it is interior
Surface is that the horizontal curve being composed of straight line and circular curve is rotated by 360 ° around the axis of tubaeform steel pile casting 1 and is formed, circular curve
Axial line distance to tubaeform steel pile casting 1 is the radius R of circular curve.
The straight line of horizontal curve and circular curve are tangent, radius R >=P/q of circular curve, and wherein P is drag-line power, and q is tubaeform steel
Casing radial direction bearing capacity；Length L >=2SR/H of circular curve, wherein S is the vertical shift amount of drag-line 6, and H is that anchorage is high on drag-line 6
It is poor to spend.Wherein the straight line of horizontal curve is parallel with the axis of shape steel pile casting 1, and the length of straight line is not less than 200mm, straight line to loudspeaker
The axial line distance of shape steel pile casting 1 is the sum of the radius of drag-line 6, the thickness of rubber pad 5, the foozle of 3mm.By straight line around loudspeaker
The axis of shape steel pile casting 1 be rotated by 360 ° the tubaeform steel pile casting 1 to be formed inner surface be 6 vertical shift of drag-line transition, in drag-line
When 6 vertical shift, vertical shift does not occur for the drag-line 6 in the inner surface linear extent of tubaeform steel pile casting 1, that is, prevented drag-line 6 with
It the port of drag-line sealing drum 7 will be by biggish concentration cutting force.
Circumferential ribbed stiffener 3 and radial ribbed stiffener 4 are equipped between 8 inner wall of outer wall and cable guide pipe of tubaeform steel pile casting 1, it is circumferential
The outer wall of ribbed stiffener 3 and radial ribbed stiffener 4 and tubaeform steel pile casting 1 is welded to connect.Radial ribbed stiffener 4 is no less than 8, and radial direction adds
Strength rib 4 is arranged along the outer wall circumference uniform distribution of tubaeform steel pile casting 1, and circumferential ribbed stiffener 3 is equipped with multiple, the quantity of circumferential ribbed stiffener 3
According to the length of tubaeform steel pile casting 1 determine, it is multiple circumferential direction ribbed stiffeners 3 along tubaeform steel pile casting 1 axis direction uniformly at intervals
Arrangement, and the internal diameter of multiple circumferential ribbed stiffeners 3 is incrementally increased along the direction far from drag-line sealing drum 7, two adjacent circumferential directions add
The distance between strength rib 3 is not more than 200mm.
Rubber pad 5, in 10mm or so, which is fitted on the inner wall of tubaeform steel pile casting 1 thickness of rubber pad 5；
In 6 vertical shift of drag-line, the outer wall of drag-line 6 is bonded with rubber pad 5.
Working principle
A kind of anchor of commensurate structure vertical shift of the invention, the anchor are equipped with adaptive stay cable 6 in cable guide pipe 8
The tubaeform steel pile casting 1 of vertical misalignment, the inner surface of tubaeform steel pile casting 1 are the horizontal curves being composed of straight line and circular curve
It is rotated by 360 ° to be formed around the axis of tubaeform steel pile casting 1.When drag-line 6 follows girder that vertical misalignment occurs, the outer wall of drag-line 6
It is close to the inner wall of tubaeform steel pile casting 1, limits drag-line 6 and the port of drag-line sealing drum 7 shifts, by drag-line 6 and drag-line
The concentration cutting force of the port of sealing drum 7 is transferred on tubaeform steel pile casting 1.As shown in figure 4, since tubaeform steel pile casting 1 increases
The big contact area of 6 outer wall of drag-line and tubaeform 1 inner wall of steel pile casting, avoids the cable body of drag-line 6 locally by biggish collection
Middle cutting force improves the safety of anchor system.
In order to improve the structural strength of tubaeform steel pile casting 1, this anchor presses setting in the outer wall of tubaeform steel pile casting 1
Sequence welds radial ribbed stiffener 4, circumferential ribbed stiffener 3 and end circumferential direction ribbed stiffener 2, radial ribbed stiffener 4, circumferential ribbed stiffener 3 and end
Portion's circumferential direction ribbed stiffener 2 makes cable guide pipe 8 and tubaeform steel pile casting 1 form an entirety, is obviously improved the knot of tubaeform steel pile casting 1
Structure intensity improves the durability of tubaeform steel pile casting 1.In order to mitigate the surface abrasion of drag-line 6, this anchor is in tubaeform steel
Rubber pad 5 is fitted on the inner wall of casing 1, which has good flexibility and wearability, the outer wall of drag-line 6 and rubber
Rubber mat 5 can significantly reduce the surface abrasion of drag-line 6 when contacting, protect to the outer wall of drag-line 6.
In order to meet the service performance requirement of this anchor, this height is tubaeform, and 1 shapes and sizes of steel pile casting are according to loudspeaker
The circular curve segment of shape steel pile casting is according to actual requirement of engineering special designing.Its circular curve radius R is not less than drag-line power P and loudspeaker
The ratio between shape steel pile casting radial direction bearing capacity q；The vertical shift amount S of drag-line of the length L of circular curve not less than 2 times is protected multiplied by tubaeform steel
The radius R of cylinder is again divided by anchor height difference H above and below drag-line.This anchor passes through in the size and shape of tubaeform steel pile casting 1
Mechanics, which accurately calculates, to be obtained, the service performance requirement of this anchor is met.
Preferred embodiment scheme, one end of cable guide pipe 8 are welded with anchor plate 10, and the other end of cable guide pipe 8 is welded with sealing off and covering anchorage
Plate 9, the both ends of tubaeform 1 outer wall of steel pile casting are respectively equipped with end circumferential direction ribbed stiffener 2, end circumferential direction ribbed stiffener 2 and cable guide pipe 8
Inner wall is welded to connect, and circumferential ribbed stiffener 3 is bonded with radial ribbed stiffener 4 with the inner wall of cable guide pipe 8.Originally tubaeform steel pile casting 1, end
The structural material yield strength of circumferential ribbed stiffener 2, circumferential ribbed stiffener 3 and radial ribbed stiffener 4 is not less than 345MPa, improves this anchoring
The radial force bearing capacity of device.
Embodiment 2
Referring to shown in Fig. 1 to Fig. 3, another aspect of the present invention provides a kind of installation of the anchor of commensurate structure vertical shift
Method, comprising the following steps:
Step 1, cable guide pipe 8 are made of nearly anchor section and remote anchor section two parts, and nearly anchor section is close to the one of drag-line sealing drum 7
End, remote anchor section are one end far from drag-line sealing drum 7, and cable guide pipe 8 is divided into nearly anchor section and remote anchor section is used to facilitate end circumferential
Ribbed stiffener 2 and cable guide pipe 8 weld.
Step 2 is processed tubaeform steel shield 1 by designed horizontal curve, and the circular curve radius R of tubaeform steel shield 1 is not small
In the ratio between drag-line power P and tubaeform steel pile casting radial direction bearing capacity q；The vertical shift amount of drag-line of the length L of circular curve not less than 2 times
S is multiplied by the radius R of tubaeform steel pile casting again divided by anchor height difference H above and below drag-line.
After step 3, tubaeform steel protect 1 machine-shaping, rubber pad 5 is bonded in the inner wall of tubaeform steel pile casting 1.
Step 4 welds radial ribbed stiffener 4, circumferential ribbed stiffener 3 and end by setting sequence in the outer wall of tubaeform steel pile casting 1
Portion's circumferential direction ribbed stiffener 2.
Step 5, the nearly anchor section that tubaeform 1 part of steel pile casting is inserted in cable guide pipe 8, by setting position by tubaeform steel pile casting
The inner wall of end circumferential direction ribbed stiffener 2 and cable guide pipe 8 on 1 close to 7 one end of drag-line sealing drum is welded to connect.
Step 6, the remote anchor section for being inserted in cable guide pipe 8, the nearly anchor section of cable guide pipe 8 and the welding of remote anchor section is integral, and guarantee
The axis of nearly anchor section and remote anchor section is overlapped.
Step 7, by tubaeform steel pile casting 1 far from 7 one end of drag-line sealing drum end circumferential direction ribbed stiffener 2 and cable guide pipe 8
Inner wall be welded to connect, tubaeform steel pile casting 1 and cable guide pipe 8 are formed into an entirety.
Step 8 welds anchor plate 10 close to 7 one end of drag-line sealing drum in cable guide pipe 8, seals in cable guide pipe 8 far from drag-line
Weld sealing off and covering anchorage plate 9 in 7 one end of cylinder.
Step 9 finally penetrates the progress tensioning of drag-line 6 in cable guide pipe 8, realizes that girder is connected with auxiliary pier.
Those skilled in the art can carry out various modifications to the embodiment of the present invention and modification, if these modifications and change
For type within the scope of the claims in the present invention and its equivalent technologies, then these modifications and variations are also in protection scope of the present invention
Within.
The prior art that the content being not described in detail in specification is known to the skilled person.
Claims (10)
1. a kind of anchor of commensurate structure vertical shift characterized by comprising
Cable guide pipe (8), the cable guide pipe (8) is interior to be equipped with drag-line (6), and drag-line (6) passes through drag-line sealing drum (7) and cable guide pipe
(8) one end is fixedly connected；
Tubaeform steel pile casting (1), the tubaeform steel pile casting (1) are located in cable guide pipe (8), the internal diameter of tubaeform steel pile casting (1)
It is incrementally increased along the direction far from drag-line sealing drum (7), the outer wall and cable guide pipe (8) inner wall of the tubaeform steel pile casting (1) are solid
Fixed connection.
2. a kind of anchor of commensurate structure vertical shift as described in claim 1, it is characterised in that:
Circumferential ribbed stiffener (3) and radial ribbed stiffener are equipped between the outer wall and cable guide pipe (8) inner wall of the tubaeform steel pile casting (1)
(4), circumferential ribbed stiffener (3) is circular ring shape, and radial ribbed stiffener (4) is strip, circumferential ribbed stiffener (3) and radial ribbed stiffener (4)
It is fixedly connected with the outer wall of tubaeform steel pile casting (1) and cable guide pipe (8) inner wall.
3. a kind of anchor of commensurate structure vertical shift as claimed in claim 2, it is characterised in that:
The radial direction ribbed stiffener (4) is no less than 8, and radial ribbed stiffener (4) is arranged along the outer wall circumference uniform distribution of tubaeform steel pile casting (1)
Column, it is described circumferential direction ribbed stiffener (3) be equipped with it is multiple, it is multiple circumferential direction ribbed stiffeners (3) along the axis direction interval of tubaeform steel pile casting (1)
Uniformly distributed arrangement, and the internal diameter of multiple circumferential ribbed stiffeners (3) is incrementally increased along the direction far from drag-line sealing drum (7), adjacent two
The distance between a circumferential direction ribbed stiffener (3) is not more than 200mm.
4. a kind of anchor of commensurate structure vertical shift as described in claim 1, it is characterised in that:
The axis of the tubaeform steel pile casting (1) and the axis collinear of cable guide pipe (8), the interior table of the tubaeform steel pile casting (1)
Face is that the horizontal curve being composed of straight line and circular curve is rotated by 360 ° around the axis of tubaeform steel pile casting (1) and is formed, circular curve
Axial line distance to tubaeform steel pile casting (1) is the radius R of circular curve；
The inner surface of the tubaeform steel pile casting (1) is equipped with rubber pad (5), and the rubber pad (5) is fitted in tubaeform steel pile casting
(1) on inner wall, the outer wall of drag-line (6) is bonded with rubber pad (5).
5. a kind of anchor of commensurate structure vertical shift as claimed in claim 4, it is characterised in that:
The straight line of the horizontal curve is parallel with the axis of shape steel pile casting (1), and the length of straight line is not less than 200mm, the straight line
Axial line distance to tubaeform steel pile casting (1) is the sum of the radius of drag-line (6), the thickness of rubber pad (5), the foozle of 3mm.
6. a kind of anchor of commensurate structure vertical shift as claimed in claim 4, it is characterised in that:
The straight line of the horizontal curve and circular curve are tangent, radius R >=P/q of circular curve, and wherein P is drag-line power, and q is tubaeform steel
Casing radial direction bearing capacity；Length L >=2SR/H of circular curve, wherein S is the vertical shift amount of drag-line (6), and H is to cast anchor on drag-line (6)
Point height difference.
7. a kind of anchor of commensurate structure vertical shift as described in claim 1, it is characterised in that:
One end of the cable guide pipe (8) is welded with anchor plate (10), and the other end of cable guide pipe (8) is welded with sealing off and covering anchorage plate (9), described
The both ends of tubaeform steel pile casting (1) outer wall are respectively equipped with end circumferential direction ribbed stiffener (2), end circumferential direction ribbed stiffener (2) and cable guide pipe
(8) inner wall is welded to connect, and the circumferential direction ribbed stiffener (3) is bonded with radial ribbed stiffener (4) with the inner wall of cable guide pipe (8).
8. a kind of anchor of commensurate structure vertical shift as described in claim 1, it is characterised in that:
The tubaeform steel pile casting (1) is located remotely from one end of drag-line sealing drum (7), tubaeform steel pile casting in cable guide pipe (8)
(1) it is located on the outside of drag-line sealing drum (7).
9. a kind of anchor of commensurate structure vertical shift as described in claim 1, it is characterised in that:
The structural material yield strength of the tubaeform steel pile casting (1) is not less than 345MPa.
10. such as a kind of described in any item installation methods of the anchor of commensurate structure vertical shift of claim 1-9, feature exists
In, comprising the following steps:
Cable guide pipe (8) is made of nearly anchor section and remote anchor section two parts, and cable guide pipe (8) is divided into nearly anchor section and remote anchor section for convenient
End circumferential direction ribbed stiffener (2) and cable guide pipe (8) are welded；
Tubaeform steel pile casting (1) is processed by designed horizontal curve, is bonded rubber pad in the inner wall of tubaeform steel pile casting (1)
(5)；
Radial ribbed stiffener (4), circumferential ribbed stiffener (3) and end loops are welded by setting sequence in the outer wall of tubaeform steel pile casting (1)
To ribbed stiffener (2)；
Tubaeform steel pile casting (1) is partially inserted in the nearly anchor section of cable guide pipe (8), by setting position by tubaeform steel pile casting (1)
Wherein the end circumferential direction ribbed stiffener (2) of one end and the inner wall of cable guide pipe (8) are welded to connect；
It is inserted in the remote anchor section of cable guide pipe (8), the nearly anchor section of cable guide pipe (8) and the welding of remote anchor section is integral, and guarantee nearly anchor section
It is overlapped with the axis of remote anchor section；
The end circumferential direction ribbed stiffener (2) of the other end of tubaeform steel pile casting (1) and the inner wall of cable guide pipe (8) are welded to connect, it will
Tubaeform steel pile casting (1) and cable guide pipe (8) form an entirety；
Anchor plate (10) are welded in wherein one end of cable guide pipe (8), weld sealing off and covering anchorage plate (9) in the other end of cable guide pipe (8)；
Drag-line (6) are penetrated in cable guide pipe (8) carries out tensioning.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910682688.9A CN110485253B (en) | 2019-07-26 | 2019-07-26 | Anchoring device adapting to longitudinal movement of structure and mounting method |
| EP20847198.7A EP4006231A4 (en) | 2019-07-26 | 2020-05-19 | Anchoring apparatus that adapts to longitudinal movement of structure and installation method |
| PCT/CN2020/091010 WO2021017581A1 (en) | 2019-07-26 | 2020-05-19 | Anchoring apparatus that adapts to longitudinal movement of structure and installation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910682688.9A CN110485253B (en) | 2019-07-26 | 2019-07-26 | Anchoring device adapting to longitudinal movement of structure and mounting method |
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| Publication Number | Publication Date |
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| CN110485253A true CN110485253A (en) | 2019-11-22 |
| CN110485253B CN110485253B (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910682688.9A Active CN110485253B (en) | 2019-07-26 | 2019-07-26 | Anchoring device adapting to longitudinal movement of structure and mounting method |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4006231A4 (en) |
| CN (1) | CN110485253B (en) |
| WO (1) | WO2021017581A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| DE2135999A1 (en) * | 1971-07-19 | 1973-02-01 | Hein Lehmann Ag | Grouted cable anchorage - has plastic grout penetrating cable and contg aggregate around cable |
| JP2004353241A (en) * | 2003-05-28 | 2004-12-16 | Oriental Construction Co Ltd | Grout injection method using vacuum pump jointly at outer cable anchor part of prestressed concrete bridge |
| JP2005171604A (en) * | 2003-12-10 | 2005-06-30 | Anderson Technology Kk | Anti-corrosive structure of outer cable of pc construction |
| KR20150009721A (en) * | 2013-07-17 | 2015-01-27 | (주)태성에스엔아이 | Anchorage apparatus for cable |
| CN204455824U (en) * | 2015-02-11 | 2015-07-08 | 中铁第四勘察设计院集团有限公司 | A kind of cable stayed bridge Suo Liang connects anchor tie plate assembly |
| CN108004907A (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 steel cable anchor system |
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| JP2909233B2 (en) * | 1991-02-12 | 1999-06-23 | 神鋼鋼線工業株式会社 | Cable support device |
| CN1268818C (en) * | 2004-08-18 | 2006-08-09 | 上海市隧道工程轨道交通设计研究院 | Method of connecting steel inhaul cable for tubulation joint |
| CN205171369U (en) * | 2015-12-05 | 2016-04-20 | 中交通力建设股份有限公司 | PC roof beam cable -stay bridge suo liang anchor structure |
| CN208563108U (en) * | 2018-06-05 | 2019-03-01 | 中铁大桥勘测设计院集团有限公司 | Side case combination girder stayed-cable bridge cable beam anchoring construction |
| CN110485253B (en) * | 2019-07-26 | 2021-08-24 | 中铁大桥勘测设计院集团有限公司 | Anchoring device adapting to longitudinal movement of structure and mounting method |
-
2019
- 2019-07-26 CN CN201910682688.9A patent/CN110485253B/en active Active
-
2020
- 2020-05-19 WO PCT/CN2020/091010 patent/WO2021017581A1/en unknown
- 2020-05-19 EP EP20847198.7A patent/EP4006231A4/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2135999A1 (en) * | 1971-07-19 | 1973-02-01 | Hein Lehmann Ag | Grouted cable anchorage - has plastic grout penetrating cable and contg aggregate around cable |
| JP2004353241A (en) * | 2003-05-28 | 2004-12-16 | Oriental Construction Co Ltd | Grout injection method using vacuum pump jointly at outer cable anchor part of prestressed concrete bridge |
| JP2005171604A (en) * | 2003-12-10 | 2005-06-30 | Anderson Technology Kk | Anti-corrosive structure of outer cable of pc construction |
| KR20150009721A (en) * | 2013-07-17 | 2015-01-27 | (주)태성에스엔아이 | Anchorage apparatus for cable |
| CN204455824U (en) * | 2015-02-11 | 2015-07-08 | 中铁第四勘察设计院集团有限公司 | A kind of cable stayed bridge Suo Liang connects anchor tie plate assembly |
| CN108004907A (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 steel cable anchor system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021017581A1 (en) | 2021-02-04 |
| CN110485253B (en) | 2021-08-24 |
| EP4006231A1 (en) | 2022-06-01 |
| EP4006231A4 (en) | 2023-08-02 |
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