CN105544414B - Stay cable replacement method based on unstressed cable length - Google Patents
Stay cable replacement method based on unstressed cable length Download PDFInfo
- Publication number
- CN105544414B CN105544414B CN201510918354.9A CN201510918354A CN105544414B CN 105544414 B CN105544414 B CN 105544414B CN 201510918354 A CN201510918354 A CN 201510918354A CN 105544414 B CN105544414 B CN 105544414B
- Authority
- CN
- China
- Prior art keywords
- cable
- suspension cable
- brand
- length
- shoe plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a stay cable replacement method based on unstressed cable length. The method is suitable for a cable stayed bridge which adopts a geometric control method for controlling construction stages and adopts parallel steel wires as stay cables. The method comprises the following steps: measuring and calculating the stressed length of a stay cable according to the magnitude of the cable force of the replaced stay cable in the current state; determining the unstressed length and on-site pull-out length corresponding to the stay cable in the current state; and controlling the final on-site pull-out length of the stay cable to realize the replacement of the stay cable. The method disclosed by the invention can be used instead of a traditional cable replacement method based on tensioning force, the tensioning force of the stay cable does not need to be controlled but only the on-site pull-out length of the stay cable needs to be controlled in the process of on-site replacement of the stay cable, and the replacement of the stay cable under uninterrupted traffic conditions can be realized.
Description
Technical field
The invention belongs to the science of bridge building field of civil engineering.It is more particularly related to a kind of based on unstressed
The stay cable replacing method of rope length.
Background technology
There is different degrees of corrosion, master of the suspension cable as cable-stayed bridge in the suspension cable of the cable-stayed bridge that domestic early stage builds
Bearing carrier is wanted, is not had special method if the requirement that drag-line can not meet safety and usability and is keeped in repair, can only
Drag-line is changed.Tradition changes the method for suspension cable to be controlled by stretching force, during this control method requirement is necessary
Break off a friendship logical.The cable-stayed bridge of one middle span changes the suspension cable project cycle about 8-10 month, for municipal bridge or public at a high speed
Road and bridge, this will cause the adverse effect of very big economic loss and social benefit.For this present invention propose one kind can not in break off a friendship
Logical stay cable replacing method.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantage that at least will be described later.
It is a still further object of the present invention to provide a kind of stay cable replacing method based on length of unstressed cable, the method is suitable for
Geometry control methods and suspension cable is adopted to adopt the cable-stayed bridge of parallel steel wire, the method only to need according to quilt in the control of construction stage
The Suo Li sizes under suspension cable current state are changed, meter calculates suspension cable stressed cable length degree, it is determined that to should state oblique pull
The stress-less length of rope and live unpluging amount, realize stay cable replacing by the final live unpluging amount for controlling suspension cable.This
The method of bright proposition can substitute change Suo Fangfa of the tradition based on stretching force, and suspension cable is changed at scene no longer to be needed to control tensioning
Power, only controls suspension cable scene unpluging amount, the stay cable replacing being capable of achieving under the conditions of uninterrupted traffic.
In order to realize these purposes of the invention and further advantage, there is provided a kind of oblique pull based on length of unstressed cable
Rope replacing options, comprise the steps：
Step one, the actual loading for determining damage suspension cable；
Step 2, in-site measurement damage the bridge tower anchor point and girder anchoring point coordinates of suspension cable, according to damage suspension cable
Actual loading calculate damage suspension cable stressed cable length degree；Tension test is done to brand-new suspension cable material, its elasticity is determined
Modulus；
Step 3, the actual loading according to damage suspension cable, the stressed cable length degree and brand-new suspension cable material for damaging suspension cable
The elastic modelling quantity of material, calculates the stress-less length of brand-new suspension cable and live unpluging amount, and the live unpluging amount is to refer to tiltedly
In drag-line installation process during suspension cable stretching stress, the oblique pull beyond the bridge tower anchor point for measuring and/or girder anchor point
Suo Changdu；
Step 4, factory manufacture brand-new suspension cable according to the stress-less length of brand-new suspension cable, the brand-new suspension cable
Length is equal to the stress-less length of brand-new suspension cable, while scene carries out to remove damages suspension cable work；
Step 5, one end of the brand-new suspension cable is fixed on the bridge tower anchor point, brand-new suspension cable it is another
End is detachably connected by attachment means with jack, and the jack is set to drive the other end of the brand-new suspension cable to wear
The anchor plate continuation for crossing the girder anchor point is stretched forward to terminal in same direction, and the terminal is anchored with the girder
The distance of point is equal to the live unpluging amount, when the other end of the brand-new suspension cable reaches the terminal, by the girder
Anchor point is locked with anchorage, so that the brand-new suspension cable is fixed between the bridge tower anchor point and the girder anchor point,
Connection by the jack with the suspension cable disconnects and removes the jack and the attachment means again, completes suspension cable
Change.
Preferably, the described stay cable replacing method based on length of unstressed cable, in the step one, damages suspension cable
Actual loading be by set up structural finite element model be calculated damage Cable stress theoretical value, scene adopts tester
Damage Cable stress actual value is measured using dynamic measurement of pile, measured value and theoretical value mutually check determination.
Preferably, the described stay cable replacing method based on length of unstressed cable, the attachment means, which includes：
Extend bar, its one end is connected with the other end of the brand-new suspension cable by adapter, the bar other end of extending
It is detachably connected with the jack by nut, the adapter is provided with light sensation projection, the light sensation is raised new with described
The end face of the other end of suspension cable processed is concordant；
Connecting cylinder, which is hollow circular cylinder, and which is set in the outside of the bar of extending, and the length of the connecting cylinder is more than institute
Live unpluging amount is stated, the upper and lower of the connecting cylinder is connected with the anchor plate and the jack by nut respectively,
The outer wall of the connecting cylinder is provided with along its axially arranged scale, and the edge of the scale is concordant with the edge of the connecting cylinder,
And the reading of the scale from top to bottom increases successively, the side of the scale is provided with parallel to the scale and through the company
The first opening of cylinder is connect, the connecting cylinder, the axis of extend bar and the jack are respectively positioned on the brand-new suspension cable
Extended line on；
Light sensation localizer, which is located at the inside of the connecting cylinder and is slidably connected with the described first opening, and the light sensation is fixed
Position device is set to only to produce interference with the light sensation projection；
Controller, which is arranged on the outside of the connecting cylinder, the controller and the light sensation localizer and described very heavy
Top electrically connects, and the controller is set to when the light sensation localizer and light sensation projection produce interference, the controller
Receive the location information of the light sensation localizer transmission and control the jack and stop tensioning, and then realize that the light sensation is raised
Positioning.
Preferably, the described stay cable replacing method based on length of unstressed cable, the adapter, which is by the first shoe
Plate, the second shoe plate and multiple 3rd shoe plates composition, the plurality of 3rd shoe plate are respectively positioned on the first shoe plate and institute
State between the second shoe plate, and row, first shoe is arranged with the first shoe plate and the second shoe plate same-directional flat
Plate and the 3rd shoe plate, the second shoe plate and the adjacent side between the 3rd shoe plate and the plurality of 3rd shoe plate
It is hinged by axle, the upper and lower of the side that the first shoe plate is not hinged with the 3rd shoe plate is equipped with first
Bolt plate, the second shoe plate are adapted place with the first bolt Board position and are provided with the second Bolt plate, so that described first
Shoe plate is fixedly connected through first Bolt plate with second Bolt plate by bolt with the second shoe plate；It is described
Gullet plate is equipped with the Inner arc of the upper and lower of the first shoe plate, the second shoe plate and the 3rd shoe plate；
The light sensation projection is additionally provided between first Bolt plate or second Bolt plate, and the raised height of the light sensation is more than institute
State the height of the first Bolt plate or second Bolt plate.
Preferably, the described stay cable replacing method based on length of unstressed cable, on the periphery of the connecting cylinder
It is even to be provided with multipair along its second axially arranged opening.
Preferably, the described stay cable replacing method based on length of unstressed cable, is additionally provided with indigo plant inside the controller
Tooth module, the bluetooth module are set to for the location information of light sensation localizer to pass to the movement with Bluetooth receptions device in real time
Terminal.
The present invention at least includes following beneficial effect：
Firstth, compared with the stay cable replacing method that tradition is controlled based on stretching force, the stay cable replacing method of the present invention
Stay cable replacing can be carried out in the case of uninterrupted traffic, with very high economic benefit and social benefit；
Secondth, adapter of the invention can be by increasing or decreasing the quantity of the 3rd shoe plate, to adapt to different model
Suspension cable and bar of extending, universality are strong；
3rd, by arranging in attachment means, scale, light sensation localizer, light sensation be raised and controller, using front, according to
The live unpluging amount for calculating adjusts the position of light sensation localizer, and when brand-new suspension cable is installed, light sensation is raised to be capable of achieving automatically
Positioning, and when light sensation projection is located at anchor point, the unpluging amount of suspension cable is equal to live unpluging amount, and installation process is without the need for manually surveying
Amount control, improves stay cable replacing efficiency and installation accuracy；
4th, by arranging bluetooth module inside the controller of attachment means, it is capable of achieving light sensation localizer location information
In good time transmission, reduce installer working strength, improve work efficiency.
Part is embodied by the further advantage of the present invention, target and feature by description below, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the schematic diagram of unstretched state when the brand-new suspension cable of the present invention is installed；
Fig. 2 is the schematic diagram for being stretched to terminal state when the brand-new suspension cable of the present invention is installed；
Fig. 3 is the attachment means overall structure diagram of the present invention；
Fig. 4 is the structural representation when adapter of the present invention launches；
Fig. 5 is the structural representation when adapter of the present invention is used；
Fig. 6 is the structural representation of the connecting cylinder of the present invention；
Fig. 7 is the illustraton of model that suspension cable stress-less length of the present invention is calculated.
Specific embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, to make those skilled in the art's reference
Specification word can be implemented according to this.
It should be noted that experimental technique described in following embodiments, if no special instructions, is conventional method, institute
Reagent and material is stated, if no special instructions, is commercially obtained；In describing the invention, term " horizontal ", " vertical
To ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", the instruction such as " outward " side
Position or position relationship are, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description,
Be not indicate or imply the device or element of indication must have specific orientation, with specific azimuth configuration and operation, because
This is not considered as limiting the invention.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the present invention provides a kind of suspension cable based on length of unstressed cable more
Method is changed, is comprised the steps：
Step one, the actual loading for determining damage suspension cable；
Step 2, in-site measurement damage the bridge tower anchor point and girder anchoring point coordinates of suspension cable, according to damage suspension cable
Actual loading calculate damage suspension cable stressed cable length degree；Tension test is done to brand-new suspension cable material, its elasticity is determined
Modulus；
Step 3, the actual loading according to damage suspension cable, the stressed cable length degree and brand-new suspension cable material for damaging suspension cable
The elastic modelling quantity of material, calculates the stress-less length of brand-new suspension cable and live unpluging amount, and the live unpluging amount is to refer to tiltedly
In drag-line installation process during suspension cable stretching stress, the oblique pull beyond the bridge tower anchor point for measuring and/or girder anchor point
Suo Changdu；
Step 4, factory manufacture brand-new suspension cable according to the stress-less length of brand-new suspension cable, the brand-new suspension cable
Length is equal to the stress-less length of brand-new suspension cable, while scene carries out to remove damages suspension cable work；
Step 5, one end of the brand-new suspension cable is fixed on the bridge tower anchor point, brand-new suspension cable it is another
End is detachably connected by attachment means with jack, and the jack is set to drive the other end of the brand-new suspension cable to wear
The anchor plate continuation for crossing the girder anchor point is stretched forward to terminal in same direction, and the terminal is anchored with the girder
The distance of point is equal to the live unpluging amount, when the other end of the brand-new suspension cable reaches the terminal, by the girder
Anchor point is locked with anchorage, so that the brand-new suspension cable is fixed between the bridge tower anchor point and the girder anchor point,
Connection by the jack with the suspension cable disconnects and removes the jack and the attachment means again, completes suspension cable
Change.
The stressed cable length degree of the damage suspension cable of the present invention, the stress-less length of brand-new suspension cable and live unpluging amount are roots
According to document《Km level hybrid beam length of unstressed cable of cable-stayed bridge and geometric linear control》,《Large span mixes girder stayed-cable bridge geometry control
Computational methods processed》In record computational methods, and German scholar Emst propose will have higher initial stress and certain vertical
The suspension cable of degree is equivalent to a straight chord member, only considers impacts of the Suo Zichong along string of a musical instrument vertical direction, and simplifies real with parabola
What the Theoretical Calculation of border stretched wire clue shape drew, wherein, the computational methods of the live unpluging amount of the present invention are drawn with anchor head in document
The computational methods of the amount of stretching are identical, and the circular of the stress-less length of suspension cable is：
As shown in fig. 7, q is unit length oblique cord weight, fm is the Radial Deflection at oblique cord span centre m, and a is the rope string of a musical instrument and water
The angle of plane.
According to the condition that rope moment of flexure at m is zero, obtain：
Or
Ignore component influences of the Suo Zichong along string of a musical instrument direction, then rope shape is second-degree parabola.In coordinate system xoy, oblique pull
The curvilinear equation of rope is：
Wherein,
At anchorage, rope tangent line with the angle of the string of a musical instrument is：
The stressed cable length degree of suspension cable is：
The elastic elongation amount of suspension cable is：
Then the stress-less length of suspension cable is：
According to the thinking of equivalent direct, after known drag-line power T, the stress-less length of suspension cable just can be by unique true
It is fixed.
In another technical scheme, the described stay cable replacing method based on length of unstressed cable, in the step one, is damaged
The actual loading of bad suspension cable is to be calculated damage Cable stress theoretical value by setting up structural finite element model, and scene is adopted
Damage Cable stress actual value is measured with the comprehensive tester based on frequency method using dynamic measurement of pile, measured value and theoretical value are mutual
Check what is determined.
In another technical scheme, the described stay cable replacing method based on length of unstressed cable, the attachment means, its
Including：
Extend bar 2, its one end is connected with the other end of the brand-new suspension cable 1 by adapter 3, and the bar 2 of extending is another
One end is detachably connected with the jack 5 by nut 4, and the adapter 3 is provided with light sensation projection 37, and the light sensation is raised
37 is concordant with the end face of the other end of the brand-new suspension cable 1；
Connecting cylinder 6, which is hollow circular cylinder, and which is set in the outside of the bar 2 of extending, and the length of the connecting cylinder 6 is big
In the live unpluging amount, the upper and lower of the connecting cylinder 6 passes through nut (not shown) and the anchor plate 7 and institute respectively
State jack 5 to connect, the outer wall of the connecting cylinder 6 is provided with along its axially arranged scale 61, the edge of the scale 61 and institute
The edge for stating connecting cylinder 6 is concordant, and the reading of the scale 61 from top to bottom increases successively, and the side of the scale 61 is provided with flat
Row is open 62 in the scale 61 and through the first of the connecting cylinder 6, the connecting cylinder 6, the bar 2 and described very heavy of extending
The axis on top 5 is respectively positioned on the extended line of the brand-new suspension cable 1；
Light sensation localizer 63, which is located at the inside of the connecting cylinder 6 and is slidably connected with the described first opening 62, the light
Sense localizer 63 is set to only to produce interference with the light sensation projection 37；
Controller 64, which is arranged on the outside of the connecting cylinder 6, the controller 64 and the light sensation localizer 63 and institute
State jack 5 to electrically connect, the controller 64 is set to produce interference when the light sensation localizer 63 with the light sensation raised 37
When, the controller connects the location information of the 64 receipts transmission of light sensation localizer 63 and controls the jack 5 and stops tensioning, enters
And realize the positioning of the light sensation projection 37.
In suspension cable installation process of the present invention, automatically controlling for the unpluging amount of suspension cable is achieved in that
The other end of bar and brand-new suspension cable is connected by adapter, during connection, it is ensured that the raised end face with the suspension cable other end of light sensation
Concordantly, then will extend bar, anchor plate, connecting cylinder, jack etc. are assembled successively, brand-new suspension cable is made to be connected with jack, according to
The live unpluging amount for calculating adjusts the position of light sensation localizer on connecting cylinder, makes correspondence reading of the light sensation localizer on scale
Number, after the completion of adjustment light sensation localizer is fixed equal to live unpluging amount, and jack starts tensioning, when light sensation localizer is detected
During to light sensation projection, location information is passed to light sensation localizer the controller on connecting cylinder, and controller controls jack again and stops
Only tensioning, and then the raised positioning of light sensation is realized, now, the unpluging amount of suspension cable is equal to the live unpluging amount for calculating.
In another technical scheme, the described stay cable replacing method based on length of unstressed cable, the adapter 3, its
It is made up of the first shoe plate 31, the second shoe plate 33 and multiple 3rd shoe plates 32, the plurality of 3rd shoe, 32 plate is respectively positioned on
Between the first shoe plate 31 and the second shoe plate 33, and with the first shoe plate 31 and the second shoe plate 33
Same-directional flat arranges row, the first shoe plate 31 and the 3rd shoe plate 32, the second shoe plate 33 and the 3rd shoe plate 32 with
And the adjacent side between the plurality of 3rd shoe plate 32 is hinged by axle 34, the first shoe plate 31 is not with described
The upper and lower of the side that three shoe plates 32 are hinged is equipped with the first Bolt plate 35, the second shoe plate 33 and described first
35 position of Bolt plate is adapted place and is provided with the second Bolt plate 36, so that the first shoe plate 31 and the second shoe plate 33 are logical
Cross bolt (not shown) to be fixedly connected through first Bolt plate 35 with second Bolt plate 36；The first shoe plate
31st, it is equipped with gullet plate in the Inner arc of the upper and lower of the second shoe plate 33 and the 3rd shoe plate 32 (not showing
Go out)；The light sensation projection 37, the light sensation projection 37 is additionally provided between first Bolt plate 35 or second Bolt plate 36
Height be more than the height of first Bolt plate 35 or second Bolt plate 36.
By increasing or decreasing the quantity of the 3rd shoe plate, can extend or shorten the width of adapter so as to adapt to different
The suspension cable of model, arranging gullet plate can make adapter more firm with the connection of suspension cable and bar of extending.
In another technical scheme, the described stay cable replacing method based on length of unstressed cable, the circle of the connecting cylinder 6
It is uniformly provided with side face multipair along its second axially arranged opening 65.
The installation and removal that second opening can be easy to attachment means, and the fixation of 9 anchorage 8 of girder anchor point are set.
In another technical scheme, the described stay cable replacing method based on length of unstressed cable, in the controller 64
Portion is additionally provided with bluetooth module, and the bluetooth module is set to pass to the location information of light sensation localizer 63 in real time and connects with bluetooth
The mobile terminal of receiving apparatus.
By arranging bluetooth module, during installation, installer completes the connection of suspension cable and attachment means and jack, and thousand
After jin backs down beginning tensioning, installer can exit erecting bed wait, when the unpluging amount of suspension cable is equal to live unpluging amount, control
Location information is passed to the mobile terminal with Bluetooth receptions device such as mobile phone or computer etc. by bluetooth by device processed, and installer connects
After receiving location information, erecting bed is entered back into, suspension cable is fixed on anchor point, and carry out tearing open for jack and attachment means
During work, i.e. stay cable replacing, installer wait on erecting bed without staying in always, reduces the work of installer
Make intensity, improve work efficiency.
Although embodiment of the present invention is disclosed as above, which is not restricted to listed by description and embodiment
With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily
Other modification is realized, therefore under the general concept limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (6)
1. a kind of stay cable replacing method based on length of unstressed cable, it is characterised in that comprise the steps：
Step one, the actual loading for determining damage suspension cable；
Step 2, in-site measurement damage the bridge tower anchor point and girder anchoring point coordinates of suspension cable, according to the reality for damaging suspension cable
Border Force Calculation goes out to damage the stressed cable length degree of suspension cable；Tension test is done to brand-new suspension cable material, its elastic modelling quantity is determined；
Step 3, the actual loading according to damage suspension cable, the stressed cable length degree of damage suspension cable and brand-new suspension cable material
Elastic modelling quantity, calculates the stress-less length of brand-new suspension cable and live unpluging amount, and the live unpluging amount is to refer to suspension cable
In installation process during suspension cable stretching stress, the suspension cable beyond the bridge tower anchor point for measuring and/or girder anchor point is long
Degree；
Step 4, factory manufacture brand-new suspension cable, the length of the brand-new suspension cable according to the stress-less length of brand-new suspension cable
Equal to the stress-less length of brand-new suspension cable, while scene carries out to remove damages suspension cable work；
Step 5, one end of the brand-new suspension cable is fixed on the bridge tower anchor point, the other end of brand-new suspension cable with
Jack is detachably connected by attachment means, and the jack is set to drive the other end of the brand-new suspension cable to pass through institute
The anchor plate continuation for stating girder anchor point is stretched forward to terminal in same direction, the terminal and the girder anchor point
Distance is equal to the live unpluging amount, when the other end of the brand-new suspension cable reaches the terminal, the girder is anchored
Point is locked with anchorage, so that the brand-new suspension cable is fixed between the bridge tower anchor point and the girder anchor point, then will
The jack disconnects and removes the jack and the attachment means with the connection of the suspension cable, completes suspension cable more
Change.
2. the stay cable replacing method based on length of unstressed cable as claimed in claim 1, it is characterised in that the step one
In, the actual loading for damaging suspension cable is to be calculated damage Cable stress theoretical value by setting up structural finite element model,
Scene measures damage Cable stress actual value using tester using dynamic measurement of pile, and measured value and theoretical value mutually check determination
's.
3. the stay cable replacing method based on length of unstressed cable as claimed in claim 1, it is characterised in that the connection dress
Put, which includes：
Extend bar, its one end is connected with the other end of the brand-new suspension cable by adapter, and the bar other end of extending passes through
Nut is detachably connected with the jack, and the adapter is provided with light sensation projection, and the light sensation is raised oblique with the brand-new
The end face of the other end of drag-line is concordant；
Connecting cylinder, which is hollow circular cylinder, and which is set in the outside of the bar of extending, and the length of the connecting cylinder is more than described existing
Field unpluging amount, the upper and lower of the connecting cylinder is connected with the anchor plate and the jack by nut respectively, described
The outer wall of connecting cylinder is provided with along its axially arranged scale, and the edge of the scale is concordant with the edge of the connecting cylinder, and institute
The reading for stating scale from top to bottom increases successively, and the side of the scale is provided with parallel to the scale and through the connecting cylinder
The first opening, the connecting cylinder, the axis of extend bar and the jack are respectively positioned on prolonging for the brand-new suspension cable
On long line；
Light sensation localizer, which is located at the inside of the connecting cylinder and is slidably connected with the described first opening, the light sensation localizer
It is set to only to produce interference with the light sensation projection；
Controller, which is arranged on the outside of the connecting cylinder, the controller and the light sensation localizer and jack electricity
Connection, the controller are set to when the light sensation localizer and light sensation projection produce interference, and the controller is received
The location information of the light sensation localizer transmission simultaneously controls the jack stopping tensioning, and then realizes determining for the light sensation projection
Position.
4. the stay cable replacing method based on length of unstressed cable as claimed in claim 3, it is characterised in that the adapter,
Which is made up of the first shoe plate, the second shoe plate and multiple 3rd shoe plates, and the plurality of 3rd shoe plate is respectively positioned on described
Between one shoe plate and the second shoe plate, and row are arranged with the first shoe plate and the second shoe plate same-directional flat,
The first shoe plate and the 3rd shoe plate, the second shoe plate and the 3rd shoe plate and the plurality of 3rd shoe plate it
Between adjacent side be hinged by axle, the top of the side that the first shoe plate is not hinged with the 3rd shoe plate and under
Portion is equipped with the first Bolt plate, and the second shoe plate is adapted place with the first bolt Board position and is provided with the second Bolt plate,
So that the first shoe plate and the second shoe plate pass through first Bolt plate and second Bolt plate by bolt
It is fixedly connected；In the Inner arc of the upper and lower of the first shoe plate, the second shoe plate and the 3rd shoe plate
It is equipped with gullet plate；The light sensation is additionally provided between first Bolt plate or second Bolt plate raised, the light sensation is convex
The height for rising is more than the height of first Bolt plate or second Bolt plate.
5. the stay cable replacing method based on length of unstressed cable as claimed in claim 3, it is characterised in that the connecting cylinder
It is uniformly provided with periphery multipair along its second axially arranged opening.
6. the stay cable replacing method based on length of unstressed cable as claimed in claim 3, it is characterised in that in the controller
Portion is additionally provided with bluetooth module, and the bluetooth module is set to for the location information of light sensation localizer to pass to band Bluetooth receptions in real time
The mobile terminal of device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510918354.9A CN105544414B (en) | 2015-12-10 | 2015-12-10 | Stay cable replacement method based on unstressed cable length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510918354.9A CN105544414B (en) | 2015-12-10 | 2015-12-10 | Stay cable replacement method based on unstressed cable length |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105544414A CN105544414A (en) | 2016-05-04 |
| CN105544414B true CN105544414B (en) | 2017-03-22 |
Family
ID=55823945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510918354.9A Active CN105544414B (en) | 2015-12-10 | 2015-12-10 | Stay cable replacement method based on unstressed cable length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105544414B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014543A (en) * | 2017-05-02 | 2017-08-04 | 中铁大桥科学研究院有限公司 | A kind of cord force of cable-stayed bridge method of testing |
| CN114892521B (en) * | 2022-04-26 | 2023-06-16 | 中交第二航务工程局有限公司 | Method for determining length of old cable of parallel steel wire stay cable |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101397773A (en) * | 2008-02-28 | 2009-04-01 | 中铁大桥勘测设计院有限公司 | Method for large-range adjusting stay cable force or suspender force |
| CN101393576A (en) * | 2008-02-28 | 2009-03-25 | 中铁大桥勘测设计院有限公司 | Method for eliminating influence of cable regulation temperature and temporary loading for cable stayed bridge |
| JP3150252U (en) * | 2009-02-20 | 2009-05-07 | 陳 耀章 | Structure that can replace single steel wire of bridge cable |
| CN102286944B (en) * | 2011-08-23 | 2013-03-06 | 河海大学 | Device for replacing stay cable of cable-stayed bridge |
| CN203755182U (en) * | 2014-03-08 | 2014-08-06 | 中交三公局桥梁隧道工程有限公司 | Cable-stayed bridge stay cable replacing device |
-
2015
- 2015-12-10 CN CN201510918354.9A patent/CN105544414B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105544414A (en) | 2016-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105133841A (en) | Spatial curved surface steel structure pipe truss roof installation construction method | |
| CN107090775A (en) | A kind of full framing space beam-ends cable guide pipe construction localization method | |
| CN105544414B (en) | Stay cable replacement method based on unstressed cable length | |
| CN104452595B (en) | The construction method of the single, double tensioning equipment to adjusting suspension cable of single, double ear muff cylinder | |
| CN104846747A (en) | Self-anchored suspension bridge boom tensioning technology based on self-equilibrium system | |
| CN104900136B (en) | A kind of experiment cable-stayed bridge and installation method | |
| CN110206366A (en) | A kind of arch large-span prestressed steel structure and its construction method | |
| CN203364814U (en) | Differential settlement observation device for wind turbine foundation | |
| CN102662071A (en) | High-precision wind speed testing support | |
| CN207775734U (en) | A kind of balance regulator of single-cantilever assembly | |
| CN105401527A (en) | Construction method for anchoring catwalk and catwalk anchoring device | |
| CN106400675A (en) | Steel anchor box and mounting method thereof | |
| CN109653112A (en) | Sound barrier Bolt Torque detection device | |
| CN205205679U (en) | Catwalk anchor | |
| CN209892387U (en) | Wind power generation anemometer tower capable of accurately correcting verticality | |
| CN202023298U (en) | Roof truss-sectioned roof girder structure capable of being hoisted by cross type tower crane | |
| CN109269754B (en) | Cylinder type guiding directional impact device and method for energy dissipater power test in rockfall interception system | |
| CN104924260A (en) | Steel wire pulling device for determining center in mounting process of steam turbine | |
| CN206190299U (en) | Flexible experimental system of consolidating of working face rib | |
| CN109185558A (en) | The method that a kind of major diameter GRP tube road is installed under water | |
| CN206815191U (en) | A kind of full framing space beam-ends cable guide pipe positioner | |
| CN111578903A (en) | Detain tower off normal monitoring devices | |
| CN207779461U (en) | A kind of pulling force and deflection test tooling of adjustable multi-functional pre-buried channel flow | |
| CN206740999U (en) | A kind of moving seesaw-type accelerometer self-level(l)ing device | |
| CN107830321B (en) | Flush type foundation bolt for electrical bracket positions levelling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |