CN104404871B - Bridge expanssion joint Treatment Methods - Google Patents
Bridge expanssion joint Treatment Methods Download PDFInfo
- Publication number
- CN104404871B CN104404871B CN201410663600.6A CN201410663600A CN104404871B CN 104404871 B CN104404871 B CN 104404871B CN 201410663600 A CN201410663600 A CN 201410663600A CN 104404871 B CN104404871 B CN 104404871B
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- central sill
- expanssion joint
- bridge expanssion
- treatment methods
- bridge
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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
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/062—Joints having intermediate beams
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to bridge repairing technical field, especially relate to bridge expanssion joint Treatment Methods, comprising: check bridge expanssion joint every preset time period；Defective component in positioning stretching structure；Support crossbeam is sling, and changes defective component.The bridge expanssion joint Treatment Methods that the present invention provides, bridge expanssion joint is regularly checked, and finds whether the parts in the stretching structure in bridge expanssion joint are damaged in time by it.Treatment Methods due to the bridge expanssion joint that the present invention provides, it is not necessary to complete expansion joint is integrally dug out, the xoncrete structure at the expansion joint that destroys a bridge.So, the present invention does not needs integral replacing expansion joint, it is not required that will wait to renew the bridge control 30 45 days at complete expansion joint, thus i.e. decrease maintenance cost, (about 2～3 days) can repair and complete at short notice again, it is ensured that bridge traffic safety is unimpeded.
Description
Technical field
The present invention relates to bridge repairing technical field, especially relate to bridge expanssion joint punishment side
Method.
Background technology
Expansion joint has referred to prevent building member from changing (thermal expansion, shrinkage) due to climate temperature,
Structure is made to produce crack or destruction, and suitable along building or structures construction joint direction
The build joint that position is arranged.
And bridge expanssion joint refers to meet the requirement of bridge deformation, generally in specific beam section
Between, between beam section and abutment or be provided with expansion joint in the articulated position of bridge, stretching
It is provided with stretching structure in contracting seam.Require expansion joint in the two of parallel, vertical and bridge axes
Individual direction, all can freely stretch, solid and reliable, vehicle should smooth out when travelling, without kick and
Noise.
Stretching structure in correlation technique, as described in Fig. 1-5, including the 1st, displacement case supports
Crossbeam the 2nd, lower lip block the 22nd, upper compression cushion block the 21st, central sill 3 and side bar 4；Wherein,
Two displacement casees 1 are a pair, are separately positioned on the end face of adjacent two ends beam-ends, support
The two ends of crossbeam 2 lay respectively in two displacement casees 1.Horizontal in each displacement case 1 inner support
It is provided with lower lip block 22 between the bottom of beam 2 and displacement case 1, support the upper of crossbeam 2
It is provided with compression cushion block 21 between portion and displacement case 1.Owing to upper compression cushion block 21 has
Elastic such that it is able to be separately fixed at the two ends supporting crossbeam 2 in two displacement casees 1.
The end face of each beam section is provided with side bar 4, is provided with central sill 3 supporting on crossbeam 2,
It is provided with waterproof adhesive tape 5 between side bar 4 and central sill 3.
But, a certain parts in the stretching structure in correlation technique or multiple parts damages
After, maintenance personal needs to drive the concrete plane on bridge floor, flexible complete from phase by damage
Disassemble on two adjacent two ends.Then change complete new stretching, then repaiied by concrete
Multiple bridge floor.Owing to, during changing complete expansion joint, needing mixing in the beam section of two ends
Solidifying soil plane is opened, and changes after completing set expansion joint, then secondary casting concrete, it is therefore desirable to
Treating and renewing the bridge at complete expansion joint and carry out traffic control, treat 30-45 days, concrete coagulates
Just can be open to traffic after Gu, thus add maintenance cost, affect normal traffic.
Content of the invention
It is an object of the invention to provide bridge expanssion joint Treatment Methods, to solve prior art
Present in need to carry out traffic control to bridge to be repaired, treat 30-45 days, concrete
Just can be open to traffic after solidification, thus add the technical problem of maintenance cost.
The bridge expanssion joint Treatment Methods that the present invention provides, comprising:
Every preset time period, bridge expanssion joint is checked；
Defective component in positioning stretching structure；
Boom hoisting is utilized to sling support crossbeam；
The lower lip block of dismounting；
Change described defective component further, utilize boom hoisting to sling support crossbeam,
The lower lip block of dismounting, changes in the step of described defective component, when defective component is upper pressure
During tight cushion block, specifically include following steps:
Support crossbeam is placed on displacement case inner bottom surface；Replace with compression cushion block；
Again support crossbeam is sling；
Lower lip block is installed；
It is placed on support crossbeam on lower lip block.
Further, boom hoisting will be utilized to sling support crossbeam, the lower lip block of dismounting,
Change in the step of described defective component, when defective component is lower lip block, specifically wrap
Include following steps:
Boom hoisting is utilized to sling support crossbeam；
Lower lip block after removing damaged；
New lower lip block is installed；
It is placed on supporting crossbeam on new lower lip block.
Further, boom hoisting is utilized to sling support crossbeam, the lower lip block of dismounting,
After changing the step of described defective component, also include:
Remove short section of the central sill on central sill with fracture port；
Install and there is short section of the new central sill that short section of the central sill of fracture port matches.
Further, install and there is short section of the new central sill that short section of the central sill of fracture port matches
Step in, specifically include following steps:
The upper surface supporting crossbeam is polished, and the upper surface welding supporting crossbeam adjusts cushion block；
On short with new central sill section of end face being connected of central sill, and new short section of central sill is connected with central sill
End face on cut flat with mouth and groove that polishing matches；
Short for new central sill section is welded on adjustment cushion block, and its one end is welded with central sill.
Further, short for new central sill section is being welded on adjustment cushion block on, and its one end with in
Before beam welding step, also include:
It is welded with the first reinforcement backing plate in short section of one end being provided with groove of new central sill；First adds
Short with new central sill section of one end of strong backing plate is connected, and the other end is for being connected with central sill, to strengthen
The intensity of the junction between central sill and short section of new central sill.
Further, short at short with the central sill with the fracture port section of new central sill matching of installation
After section step, also include carrying out nondestructive inspection to central sill, and cracks is repaired.
Further, at cracks welding the second reinforcement backing plate.
Further, boom hoisting is utilized to sling support crossbeam, the lower lip block of dismounting,
Before changing the step of described defective component, also include, remove central sill.
Further, after the step of the defective component in positioning stretching structure, also include:
Defective component is labeled on the plane of bridge expanssion joint accordingly, and is aggregated into portion
Part damages detail list.
The bridge expanssion joint Treatment Methods that the present invention provides, bridge expanssion joint is carried out periodically by it
Inspection, and find whether the parts in the stretching structure in bridge expanssion joint damage in time
Bad.After the parts in discovery stretching structure in checking are damaged, support crossbeam is sling,
And the parts damaging are changed.Punishment side due to the bridge expanssion joint that the present invention provides
Method, it is not necessary to stretching structure is integrally dug out, the xoncrete structure at the expansion joint that destroys a bridge.
So, the present invention does not i.e. need integral replacing expansion joint, it is not required that will wait to renew complete stretching
The bridge control of contracting seam 30-45 days, thus decrease maintenance cost, again can be at short notice
(about 2～3 days) are repaired and are completed, it is ensured that bridge traffic safety is unimpeded.
Brief description
In order to be illustrated more clearly that the specific embodiment of the invention or technical side of the prior art
Case, below by the accompanying drawing work to required use in detailed description of the invention or description of the prior art
Introduce simply, it should be apparent that, the accompanying drawing in describing below is some enforcements of the present invention
Mode, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the front view of bridge expanssion joint of the prior art；
Fig. 2 is the sectional view in the A-A face of bridge expanssion joint of the prior art shown in Fig. 1；
Fig. 3 is the front view of another kind of bridge expanssion joint of the prior art；
Fig. 4 is cuing open of the B-B face of another kind of bridge expanssion joint of the prior art shown in Fig. 3
View；
Fig. 5 is cuing open of the C-C face of another kind of bridge expanssion joint of the prior art shown in Fig. 3
View；
Boom hoisting in the bridge expanssion joint Treatment Methods that Fig. 6 provides for the embodiment of the present invention
A kind of use state diagram；
Boom hoisting in the bridge expanssion joint Treatment Methods that Fig. 7 provides for the embodiment of the present invention
Another kind of use state diagram；
The flow chart of the bridge expanssion joint Treatment Methods that Fig. 8 provides for the embodiment of the present invention；
The bridge expanssion joint Treatment Methods that Fig. 9 provides for the embodiment of the present invention replaces with pressure
The flow chart of tight cushion block；
Under replacing in the bridge expanssion joint Treatment Methods that Figure 10 provides for the embodiment of the present invention
The flow chart of lip block；
The stream of the bridge expanssion joint Treatment Methods that Figure 11 provides for the another kind of embodiment of the present invention
Cheng Tu；
Figure 12 repaiies in the bridge expanssion joint Treatment Methods for the present invention another kind of embodiment offer
The flow chart of multiple central sill.
Reference:
1-displacement case；2-supports crossbeam；3-central sill；
4-side bar；5-waterproof adhesive tape；6-cylindrical control spring；
7-spring base；8-jack；9-crossbeam；
10-steel wire rope；Cushion block is compressed on 21-；Lip block under 22-；
31-adjusts cushion block.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described,
Obviously, described embodiment is a part of embodiment of the present invention, rather than whole enforcement
Example.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that obtained, broadly fall into the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score,
The orientation of the instruction such as "left", "right", " vertically ", " level ", " interior ", " outward " or position
Relation, for based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention
Describe with simplifying, rather than device or the element of instruction or hint indication must have specifically
Orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, and can not manage
Solve as instruction or hint relative importance.
In describing the invention, it should be noted that specify and limit unless otherwise clear and definite
Fixed, term " is installed ", " being connected ", " connection " should be interpreted broadly, for example, it may be consolidate
Fixed connection, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected,
Also can be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, may be used
Understand above-mentioned term concrete meaning in the present invention with concrete condition.
Fig. 1 is the front view of bridge expanssion joint of the prior art；Fig. 2 is existing shown in Fig. 1
There is the sectional view in the A-A face of bridge expanssion joint in technology；Fig. 3 be of the prior art separately
A kind of front view of bridge expanssion joint；Fig. 4 is another kind of bridge of the prior art shown in Fig. 3
The sectional view in the B-B face at beam expansion joint；Fig. 5 is another kind of the prior art shown in Fig. 3
The sectional view in the C-C face of bridge expanssion joint；The bridge that Fig. 8 provides for the embodiment of the present invention is stretched
The flow chart of contracting seam Treatment Methods；As shown in Fig. 1-5 and Fig. 8, the bridge of present invention offer
Expansion joint Treatment Methods, comprising:
Step 100, checks to bridge expanssion joint every preset time period；
Step 200, the defective component in positioning stretching structure；
Support crossbeam 2 is sling, and is changed defective component by step 300.
Wherein, each preset time period is and checks that frequency can making according to bridge expanssion joint
With the time limit, the track being positioned at and the magnitude of traffic flow etc. determine proof cycle.
The mode checking also can be multiple, but in order to not affect bridge expanssion joint to be checked
Normal use.Inspection personnel can drive to walk on bridge floor.When traveling is to bridge expanssion joint
Place, inspection personnel distinguishes after touching between wheel with retractor device, if smooth-going, Yi Jiwu
Kick and noise.If vehicle travels to bridge expanssion joint, kick or noise occur,
Certain parts damages of retractor device in this bridge expanssion joint are then described, need to change.
Certainly, in order to detect the parts in the retractor device in bridge expanssion joint more accurately
Whether damage, can examine on the spot in entrance and check further.
When checking out and finding that the stretching structure in some bridge expanssion joint is damaged,
Limit the traffic of bridge to be repaired, after the damage parts in complete retractor device to be replaced more extensive
Reestablish diplomatic relations logical.
The bridge expanssion joint Treatment Methods that the present embodiment provides, bridge expanssion joint is carried out fixed by it
The inspection of phase, and find whether the parts in the stretching structure in bridge expanssion joint occur in time
Damage.After the parts in discovery stretching structure in checking are damaged, crossbeam 2 will be supported
Sling, and the parts damaging are changed.The bridge expanssion joint providing due to the present embodiment
Treatment Methods, it is not necessary to complete expansion joint is integrally dug out, at the expansion joint that destroys a bridge
Xoncrete structure.So, the present invention does not i.e. need integral replacing expansion joint, it is not required that will
Wait to renew bridge control 30-45 days at complete expansion joint, thus decrease maintenance cost, again
(about 2～3 days) can repair and complete at short notice, it is ensured that bridge traffic safety and unimpeded.
Boom hoisting in the bridge expanssion joint Treatment Methods that Fig. 6 provides for the embodiment of the present invention
A kind of use state diagram；The bridge expanssion joint Treatment Methods that Fig. 7 provides for the embodiment of the present invention
The another kind of of middle boom hoisting uses state diagram；The bridge that Fig. 9 provides for the embodiment of the present invention
The flow chart replacing with compression cushion block in the Treatment Methods of expansion joint；Such as Fig. 1-7, and Fig. 9
Shown in, on the basis of above-described embodiment, further, support crossbeam 2 is sling, and
Change in the step of defective component, when defective component is upper compression cushion block 21, specifically include
Following steps:
Step 301, utilizes boom hoisting to sling support crossbeam 2；
Step 302, the lower lip block 22 of dismounting；
Support crossbeam 2 is placed on displacement case 1 inner bottom surface by step 303；
Step 304, replaces with compression cushion block 21；
Support crossbeam 2 is sling by step 305 again；
Step 306, installs lower lip block 22；
Step 307, is placed on support crossbeam 2 on lower lip block 22.
Wherein, the species of boom hoisting has a lot, for example: lifting machine；Boom hoisting is permissible
Including bracing frame, steel wire rope 10 and hoist engine, hoist engine is arranged on the bottom of bracing frame, steel
Filament winding is crossed the upper end of bracing frame and is connected with the support crossbeam 2 in the present embodiment, passes through hoist engine
Pull steel wire rope 10, thus support crossbeam 2 is sling.
It is preferred that boom hoisting includes two jack the 8th, crossbeam 9 and steel wire rope 10, thousand
The both sides that jin top 8 is arranged on bridge expanssion joint, the two ends of crossbeam 9 are stretched respectively at being positioned at bridge
The top of the jack 8 of contracting seam both sides connects, one end of steel wire rope 10 and support crossbeam 2
Connecting, the other end is connected with crossbeam 9, by elevating jack 8, thus will support crossbeam 2
Sling.Certainly, steel wire rope 10 also can change strength pull bar into.
In the present embodiment, owing to upper compression cushion block 21 is elasticity, so, utilize lifting
Put and support crossbeam 2 is sling, maintenance personal can be easy to lower lip block 22 is removed.So
After, support crossbeam 2 being put down, producing between crossbeam 2 and upper compression cushion block 21 so that supporting
Raw spacing, thus reserve the upper operating space compressing cushion block 21 of dismounting for maintenance personal.
After maintenance personal has changed upper compression cushion block 21, reusing boom hoisting will support
Crossbeam 2 is sling, consequently facilitating maintenance personal installs lower lip block 22.Installing lower
After stake pad block 22, support crossbeam 2 is put down, thus complete compression cushion block 21 more
Change.
Under replacing in the bridge expanssion joint Treatment Methods that Figure 10 provides for the embodiment of the present invention
The flow chart of lip block；Such as Fig. 1-7, and shown in Figure 10, on the basis of above-described embodiment
On, further, support crossbeam 2 is sling, and change in the step of defective component, when
When defective component is lower lip block 22, specifically include following steps:
Step 301, utilizes boom hoisting to sling support crossbeam 2；
Step 302, removing damaged after lower lip block 22；
Step 308, installs new lower lip block 22；
Step 309, is placed on supporting crossbeam 2 on new lower lip block 22.
When only lower lip block 22 is damaged, utilize boom hoisting will support crossbeam 2
Sling, then change the lower lip block 22 of damage.Certainly, upper compression cushion block 21 with
When lower lip block 22 is all damaged, first replaces with compression cushion block 21, then change lower
Stake pad block 22.
The stream of the bridge expanssion joint Treatment Methods that Figure 11 provides for the another kind of embodiment of the present invention
Cheng Tu；Such as Fig. 1-7, and shown in Figure 11, at above-described embodiment further, utilize
Support crossbeam 2 is sling by device for hoisting, the lower lip block of dismounting, changes described defective component
After step, also include:
Remove short section of the central sill on central sill 3 with fracture port；
Install and there is short section of the new central sill that short section of the central sill of fracture port matches.
Wherein, bridge floor is provided with a plurality of vehicle road, for example: little track, all-purpose road,
Bridle road and urgent track.Owing to the bearing capacity of bridle road is big, so, it is positioned at bridle road
Central sill 3 be easily broken off.And after typically central sill 3 ruptures, it is positioned at the upper compression of breaking part
Cushion block 21 and lower lip block 22 also can be damaged.
There is short section of the central sill of fracture port, refer to when central sill 3 occurs fracture, can be divided
Become two sections or three sections, then shorter one section of length is that to have the central sill of fracture port short
Section.When central sill 3 is broken into two sections, by one section of short for length dismounting, then replace and tear open
Short section new of the central sill matching except section.When central sill 3 is broken into three sections, general two break
Breach is positioned at one end of central sill 3, by this short section of two sections of central sills dismounting, with these two sections in replacement
The new central sill of disconnected matching of central sill 33 breaks.
In addition, short section of new central sill can for do not have used central sill 3 or its
Central sill 3 on the retractor device that he replaces from bridge expanssion joint.
In the present embodiment, by changing short section of the central sill with fracture port, from without more
Change whole central sill 3, further reduce maintenance cost.
Figure 12 repaiies in the bridge expanssion joint Treatment Methods for the present invention another kind of embodiment offer
The flow chart of multiple central sill；Such as Fig. 1-7, and shown in Figure 12, wherein, in step 500, peace
Fill and there is short section of the new central sill that short section of the central sill of fracture port matches, specifically including following step
Rapid:
The upper surface supporting crossbeam 2 is polished by step 501, and is supporting the upper of crossbeam 2
Surface soldered adjusts cushion block；
Step 502, on short with new central sill section of end face being connected of central sill 3, and new central sill is short
Mouth is cut flat with and groove that polishing matches on the end face that is connected with central sill 3 of section；
Step 504, short for new central sill section is welded on adjustment cushion block 31 on, and its one end with in
Beam 3 welds.
As shown in figure 12, on the basis of above-described embodiment, further, by new central sill
Short section is welded on adjustment cushion block 31, and before its one end and central sill 3 welding step, also wraps
Include:
Step 503, is welded with the first reinforcement pad in short section of one end being provided with groove of new central sill
Plate；Short with new central sill section of one end of first reinforcement backing plate is connected, and the other end is used for and central sill 3
Connect, to strengthen the intensity of the junction between central sill 3 and new short section of central sill.
In the present embodiment, junction welding the first reinforcement at central sill 3 and short section of new central sill
Plate, thus increase the intensity of central sill 3 and short section of junction of new central sill, and then avoid central sill 3
And again rupture between short section of new central sill, extend the service life of the central sill 3 after repairing.
On the basis of above-described embodiment, further, installing and having in fracture port
After beam short section of step of the short section of central sill matching, also include carrying out nondestructive inspection to central sill 3,
And cracks is repaired.
After by short for new central sill section and installation, then nondestructive inspection is carried out to central sill 3, inspection
Look into whether central sill 3 there is also crackle.When there is crackle, crackle being repaired, entering one
Step ground extends the service life of central sill 3
On the basis of above-described embodiment, further, at cracks welding the second reinforcement pad
Plate.After having repaired crackle, in order to strengthen the bearing capacity of central sill 3, in cracks welding
Second reinforcing plate, thus further strengthen the bearing capacity of central sill 3, further extend
The service life of central sill 3.
On the basis of above-described embodiment, further, boom hoisting is utilized will to support crossbeam
2 sling, the lower lip block of dismounting, before changing the step of described defective component, also include,
Remove central sill 3.
When central sill 3 with support can be dismantled by bolt between crossbeam 2 be connected when, slinging
Before the company of support, can first central sill 3 be removed, then by steel wire rope 10 or strength pull bar
One end be fixed on the centre supporting crossbeam 2, thus support crossbeam 2 is sling.So may be used
With with once with steel wire rope 10 or strength pull bar can by support crossbeam 2 sling.
On the basis of above-described embodiment, further, the pars affecta in stretching structure is positioned
After the step of part, also include: defective component is labeled in accordingly the flat of bridge expanssion joint
It on the figure of face, and is aggregated into components damage detail list.
By being labeled in the parts of damage on the plane of bridge expanssion joint, be conducive to maintenance
Human review and maintenance next time use, and easily facilitate maintenance personal's maintenance and maintenance bridge stretches
Seam.
Certain maintenance personal can also utilize specific purpose tool to change the spring base supporting on crossbeam 2
7th, cylindrical control spring 6 and waterproof adhesive tape 5 etc..
It is last it is noted that various embodiments above is only in order to illustrate technical scheme,
It is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments,
It will be understood by those within the art that: foregoing embodiments still can be remembered by it
The technical scheme carrying is modified, or carries out wherein some or all of technical characteristic
With replacement；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this
Invent the scope of each embodiment technical scheme.
Claims (10)
1. bridge expanssion joint Treatment Methods, it is characterised in that include:
Every preset time period, bridge expanssion joint is checked；
Defective component in positioning stretching structure；Boom hoisting is utilized to sling support crossbeam,
Making support crossbeam compress upper compression cushion block, existing between crossbeam and lower lip block so that supporting
Spacing；
The lower lip block of dismounting；
Change described defective component；
Described upper compression cushion block is positioned at the top of described support crossbeam, described lower lip block position
Lower section in described support crossbeam；Described upper compact heap has elasticity；
Wherein, described support crossbeam, described upper compression cushion block and described lower lip block are all provided with
Put in bridge expanssion joint.
2. bridge expanssion joint Treatment Methods according to claim 1, it is characterised in that
Described boom hoisting is utilized to sling support crossbeam, the lower lip block of dismounting, change described damage
In the step of traumatic part part, when described defective component is upper compression cushion block, specifically include as follows
Step:
It is placed on described support crossbeam on displacement case inner bottom surface；
Change described upper compression cushion block；
Again described support crossbeam is sling；
Described lower lip block is installed；
It is placed on described support crossbeam on described lower lip block.
3. bridge expanssion joint Treatment Methods according to claim 1, it is characterised in that
Described boom hoisting is utilized to sling support crossbeam, the lower lip block of dismounting, change described damage
In the step of traumatic part part when described defective component is lower lip block, specifically include following step
Rapid:
New lower lip block is installed；
It is placed on described support crossbeam on new lower lip block.
4. the bridge expanssion joint Treatment Methods according to any one of claim 1-3, it is special
Levy and be, described utilize boom hoisting to sling support crossbeam, the lower lip block of dismounting, more
After changing the step of described defective component, also include:
Remove short section of the central sill on central sill with fracture port；
Short section of the new central sill matching with described short section of the central sill with fracture port is installed.
5. bridge expanssion joint Treatment Methods according to claim 4, it is characterised in that
The described step installing short section of the new central sill matching with described short section of the central sill with fracture port
In, specifically include following steps:
The upper surface of described support crossbeam is polished, and the upper surface welding of described support crossbeam
Adjust cushion block；
On short with new central sill section of end face being connected of described central sill, and short section of described new central sill with
Mouth is cut flat with and groove that polishing matches on the end face that described central sill connects；
Short section of described new central sill is welded on described adjustment cushion block on, and its one end with described in
Beam welds.
6. bridge expanssion joint Treatment Methods according to claim 5, it is characterised in that
Short section of described new central sill is being welded on described adjustment cushion block, and its one end and described central sill
Before welding step, also include:
It is welded with the first reinforcement pad in short section of one end being provided with described groove of described new central sill
Plate；One end of described first reinforcement backing plate is connected with short section of described new central sill, and the other end is used for
It is connected with described central sill, to strengthen the junction between described central sill and short section of described new central sill
Intensity.
7. bridge expanssion joint Treatment Methods according to claim 4, it is characterised in that
In described short section of step of new central sill installed and match with described short section of the central sill with fracture port
Afterwards, also include carrying out nondestructive inspection to described central sill, and cracks is repaired.
8. bridge expanssion joint Treatment Methods according to claim 7, it is characterised in that
At described cracks welding the second reinforcement backing plate.
9. the bridge expanssion joint Treatment Methods according to any one of claim 1-3, it is special
Levy and be, described utilize boom hoisting to sling support crossbeam, the lower lip block of dismounting, more
Before changing the step of described defective component, also include, remove central sill.
10. bridge expanssion joint Treatment Methods according to claim 1, it is characterised in that
After the step of the defective component in described positioning stretching structure, also include:
Described defective component is labeled on the plane of bridge expanssion joint accordingly, and collects
Become components damage detail list.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410663600.6A CN104404871B (en) | 2014-11-18 | 2014-11-18 | Bridge expanssion joint Treatment Methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410663600.6A CN104404871B (en) | 2014-11-18 | 2014-11-18 | Bridge expanssion joint Treatment Methods |
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| Publication Number | Publication Date |
|---|---|
| CN104404871A CN104404871A (en) | 2015-03-11 |
| CN104404871B true CN104404871B (en) | 2016-10-05 |
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|---|---|---|---|---|
| CN110804946A (en) * | 2019-11-01 | 2020-02-18 | 南京毛勒工程材料有限公司 | Maintenance method for large-displacement modulus type telescopic device |
| CN111119074B (en) * | 2019-12-23 | 2021-05-25 | 湖北鄂东长江公路大桥有限公司 | Bridge module type expansion joint repairing method |
| CN113957786B (en) * | 2021-11-02 | 2024-02-02 | 苏交科集团股份有限公司 | Assembled bridge end expansion deformation coordination structure and installation method thereof |
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|---|---|
| CN104404871A (en) | 2015-03-11 |
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