CN106638273B - A kind of stub formula bridge anti-deviation device and its Anti-deviation method - Google Patents
A kind of stub formula bridge anti-deviation device and its Anti-deviation method Download PDFInfo
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- CN106638273B CN106638273B CN201611082524.5A CN201611082524A CN106638273B CN 106638273 B CN106638273 B CN 106638273B CN 201611082524 A CN201611082524 A CN 201611082524A CN 106638273 B CN106638273 B CN 106638273B
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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
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Abstract
The invention discloses a kind of stub formula bridge anti-deviation devices, it is characterized in that, two groups of beam body fixation kits including being arranged on the left and right sides of beam body lower surface in the width direction, beam body fixation kit includes one piece of anchoring bottom plate, bottom plate is anchored along the setting of beam body width direction and anchor connection is in beam body, there are one the displacement following plates longitudinally set straight down along beam body for tool in anchoring bottom plate, elastic member is flatly set in the lateral direction between below two displacement following plates, elastic component is fixed on the anchor ear of bridge pier on as installation supporting base and using the bridge pier below beam body mounted on one.Also disclose a kind of stub formula bridge Anti-deviation method for employing the device.The present invention have it is simple in structure, it is easy for construction, can realize the lateral confinement to bridge beam body well, and restraint stress can be discharged, reduce security risk the advantages of.
Description
Technical field
The present invention relates to bridges in highway engineering field more particularly to a kind of stub formula bridge anti-deviation devices.
Background technology
At present, the in-service medium and small bridges of China's overwhelming majority（Especially continuous curved box girder bridges）It is stuck, warm at expansion joint
Under the effects that degree acts on, the bias of quiet dynamic load, significantly lateral shift easily occurs for girder, and offset is with the time
Passage is gradually cumulative.The bridges of beam body deviations occurs in these, and serious threat the safety of road operation, is highly desirable pair
It targetedly repair and reinforce.Simultaneously for the research of bridge shift phenomenon, not only to study and cause what beam body deviated
The method of reason and Deviation Correction Construction and monitoring process also fundamentally solves beam body offset problem-i.e. pre- anti-offset to method
Measure and correction after anti-measure inclined again research.
For the research of the anti-offset measure of bridge beam body, there are three ways to the country usually uses at present, three kinds of methods
And its there are the problem of be：（1）The method that lateral confinement is carried out using directional support.This method mainly in the design process,
Easily cause deviation this problem in view of bridge type feature, by the susceptor design of easy deviation beam section it is in pairs to or three-dimensional about bundle branch
Seat.The shortcomings that this method, is that preliminary examination phase constraint effect is preferable, but at bearing beam body may occur larger constraint should
Power；Follow-up phase is such as replaced not in time since the problems such as corrosion of bearing itself, deformation, failure causes constraint to be failed, may be right
The safe handling of bridge causes a hidden trouble, and the replacement of bearing construction is pretty troublesome.（2）In the anti-bias of beam body both sides setting rigid baffle
Shifting method.This method is mainly the bar planting on beam bottom or bent cap, rigid baffle is set by bar planting, by the resistance by force of rigid baffle
Gear prevents beam body from shifting.The above method is primarily present following unfavorable factor：First, anti-bias mode is excessively rigid, belong to strong
Row obstruction formula it is anti-bias, this is not only possible to cause larger beam body internal stress, it is also possible to cause beam body bottom, pier top or bent cap top
Damage；Second, this mode intensity is relatively low, normally only suitable for earthquake motion peak acceleration (Ag≤0.15g) area.（3）
In beam body both sides, the Anti-deviation method of semi-rigid baffle is set.For the principle of this method with the above method 2, difference is exactly in side
On the basis of method 2, in rigid baffle and obstacle（Beam body or pier top）Centre filling elastic filler realizes collision or squeezes wink
Between transition.Although the above method reduces the damage of bridge structure part to a certain extent, exist with method 2 same
Problem is normally only suitable for earthquake motion peak acceleration (Ag≤0.15g) area.
Therefore a kind of lateral confinement that can be better achieved to bridge beam body how is designed, and restraint stress can be discharged,
The anti-offset technology of bridge of security risk is reduced, becoming has considered solve the problems, such as.
Invention content
The technical problem to be solved in the present invention is：How one kind is provided and is exclusively used in stub formula bridge, simple in structure, construction
It is convenient, the lateral confinement to bridge beam body can be realized well, and can discharge restraint stress, reduce the stub of security risk
Formula bridge anti-deviation device.Offset can be effectively prevent, and anti-offset structure structure can will be injured in the process and dropped
It is small, and can also be afterwards bridge offset detection in effectively reduce detection difficulty, improve accuracy of detection.
In order to solve the above-mentioned technical problem, present invention employs following technical solutions.Direction involved in the application describes
Basis mainly is described by direction of beam body, beam body is laterally width direction, that is, left and right directions, and beam body is longitudinally for its length direction
Front-rear direction.
A kind of stub formula bridge anti-deviation device, which is characterized in that including being arranged on beam body lower surface in the width direction
Two groups of beam body fixation kits of the left and right sides, beam body fixation kit include one piece of anchoring bottom plate, anchor bottom plate along beam body width side
To setting and anchor connection is in beam body, anchors in bottom plate and follows up there are one tools along the displacement that beam body is longitudinally set straight down
Plate, below two displacement following plates between elastic member is flatly set in the lateral direction, elastic component is with below beam body
Bridge pier be that installation and is fixed on mounted on one on the anchor ear of bridge pier supporting base.
In this way, anchoring bottom plate and beam body anchoring are integrated, the offset stress concentration on beam body left and right directions can be transmitted
To displacement following plate, then by elastic component discharge stress and by deviate stress transfer to beam body below supporting member on, therefore
It can preferably realize the lateral confinement to bridge beam body, discharge restraint stress, offset can be effectively prevent, and can incite somebody to action
It is small to structure structure injury drop during anti-offset.
As an optimization, in the beam body fixation kit, anchoring bottom plate is anchored using chemical bolt.In this way, using chemical spiral shell
Bolt anchoring will not generate mount stress, improve anchoring strength and reliability, and both facilitate in bridge construction setting can also be
It is set during later maintenance.As an optimization, chemical bolt is multiple and in equidistant array arrangement, improves anchoring effect.
As an optimization, the beam body fixation kit further includes the two pieces of displacements follow-up for being arranged on displacement following plate front and rear sides
Direction is put more energy into side plate, and side plate upper surface is put more energy into displacement follow-up direction and anchoring bottom plate lower surface posts and fixes and is integrated, displacement
Side plate interior sides face is put more energy into follow-up direction and displacement following plate front/rear end is posted and fixed and is integrated.The direction in this way, displacement is followed up
Side plate of putting more energy into enables displacement following plate to be combined as a whole with anchoring bottom plate so that the displacement of entire anchoring bottom plate in the horizontal
It can completely transmit and feed back on displacement following plate, improve globality and consistency.
As an optimization, two pieces of displacements follow-up directions side plate of putting more energy into stays before and after bottom plate to corresponding anchor between the side of side
Have less than two pieces of displacements follow up directions put more energy into side sheet room away from a distance, be additionally provided with longitudinal direction on the anchoring bottom plate of the segment distance
Stiffener, longitudinal stiffener are to arrange along the longitudinally disposed polylith of beam body and along beam body lateral separation, longitudinal stiffener upper surface
It posts and fixes and is integrated with anchoring bottom plate lower surface, longitudinal stiffener inner side end and corresponding displacement follow-up direction are put more energy into side
Plate lateral surface, which posts and fixes, to be integrated.The globality of beam body fixation kit can further be strengthened in this way so that entire anchoring
The displacement of bottom plate in the horizontal can be transmitted completely and be fed back on displacement following plate.As an optimization, bottom plate, displacement follow-up are anchored
Plate, displacement follow-up direction put more energy into side plate and longitudinal stiffener is that stainless-steel sheet is made and is welded to each other and is fixed as one.
Integral rigidity is improved in this way and facilitates construction.As an optimization, displacement follow-up direction put more energy into side plate be pointed end triangle and
It is located at tip and displacement following plate link position, longitudinal stiffener lower end is put more energy into side plate following table without departing from displacement follow-up direction
Face；In this way, the local intensity highest that beam body fixation kit load is most concentrated, and continuously decreased outward with this so that rigidity everywhere
It size and meets with stresses and is sized to preferably match, therefore ensureing beam body fixation kit with enough rigidity and globality
Utmostly reduce consumptive material under the premise of to meet with stresses.
As an optimization, bridge pier limition orientation component, the bridge pier limition orientation are provided between bridge pier and displacement following plate
Component, including an annular anchor ear, it is respectively solid at left and right sides of beam body position, anchor ear that anchor ear installation is fixed to bridge pier top
There are one the displacement guide rod extended lateral out, upper end is connected to there are one the displacement following plate lower end tools in beam body for fixed setting
The pilot hole penetrated through in left-right direction, displacement guide rod coordinate in pilot hole horizontally slidablely, the left and right of displacement following plate
Both sides are each provided with a limiting buffer spring being socketed on displacement guide rod, and limiting buffer both ends of the spring abuts in place respectively
It moves following plate and displacement is oriented on the fixed baffle of boom end.
In this way, suitable for bridge pier brace type bridge of the bridge beam body lower part without bent cap, it can be real as basic component using bridge pier
Now support is fixed, and realizes that beam body deviates guiding in the horizontal direction, while can realize that displacement following plate exists by displacement guide rod
Buffer limit damping in the both direction of left and right prevents beam body horizontal-shift by spring force, and discharges beam body offset stress and arrive
On bridge pier, avoid beam body upper stress concentration that beam body is caused to crumble, greatly improve beam body safety.
Further, anchor ear is steel hoop, and anchor ear opening is fixed to by high-strength bolt connection installation on bridge pier.This
Sample, improves the reliability that anchor ear and bridge pier combine, and proof stress can smoothly be transmitted to bridge pier.
Further, fixed baffle is further fixedly arranged on end on the displacement guide rod in the outside of limiting buffer spring
Stiffener, end stiffener plate are to be set along displacement guide rod polylith circumferentially and along displacement guide rod length direction.In this way,
It can better assure that the transmission of the load intensity proof stress of fixed baffle is reliable and stable.Further, fixed baffle and end
Portion's stiffener is that stainless steel material is made, and can better ensure that intensity and conveniently be welded and fixed and is integrated.
Further, displacement guide rod be square steel, pilot hole be corresponding square hole, such square steel can proof strength,
And rectangular in cross-section can avoid rotating, and better ensure that function of the pilot hole to the horizontally-guided of displacement guide rod.Further
Ground is additionally provided with the square bar pad that socket is mounted on displacement guide rod between displacement following plate and limiting buffer spring end
Piece, preferably to facilitate limiting buffer spring power transmission.
Further, limiting buffer spring is tempered silicomanganese spring/60Si2MnA, C classes or B classes, spring for GB4361 oil hardening
5 ~ 14cm of loop diameter, shear modulus G 79000MPa；It may insure the using effect of bumper and absorbing shock stress transfer.
Still further, be further fixedly arranged on graduated scale on anchoring bottom plate, graduated scale length direction is along beam body or so
Direction is set；Beam body offset displacement reading can be conveniently better read out.
The invention also discloses a kind of stub formula bridge Anti-deviation method, feature is to employ stub as described above
Formula bridge anti-deviation device obtains, and the stub formula bridge anti-deviation device is installed in bridge construction to prevent bridge inclined
It moves.
Further, by the stub formula bridge anti-deviation device installation settings in bridge beam body bending part, after installation
Periodically monitoring detection graduated scale offset if offset is less than 2cm, daily maintenance is carried out to bridge, if offset
It measures as more than or equal to 2cm and less than 5cm, reinforcing repair should be carried out to bridge, if offset is more than or equal to 5cm and is less than
10cm should carry out reinforcing repair to bridge immediately, if offset is more than or equal to 10cm, should close traffic immediately, then to bridge
Beam carries out reinforcing repair.
Above-mentioned data are to be obtained through analysis and modeling, can more efficiently ensure that bridge maintaining is timely, prevent beam
Solid offsetting is excessive, dangerous caused by after the range that can be corrected beyond device.
In summary.The present invention not only can effectively prevent Curved Beam Bridge beam body offset generation, but also can will be anti-offset during
The injury of relative configurations object is reduced, and can also be afterwards bridge offset detection in effectively reduce detection difficulty, improve inspection
Survey precision, have it is simple in structure, it is easy for construction, can well realize to bridge beam body（Especially Curved Continuous Beams beam body）'s
Lateral confinement, and restraint stress can be discharged, the advantages of reducing security risk.
Description of the drawings
Fig. 1 is the structure diagram of the embodiment of the present invention.
Fig. 2 is the side view of independent beam body fixation kit in Fig. 1.
Fig. 3 is the bottom view of independent beam body fixation kit in Fig. 1.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment：Referring to Fig. 1-3, a kind of stub formula bridge anti-deviation device, including being arranged on beam body lower surface along width
Two groups of beam body fixation kits of the left and right sides in direction, beam body fixation kit include one piece of anchoring bottom plate 1, anchor bottom plate 1 along beam
Simultaneously anchor connection in beam body, anchors what is longitudinally set straight down along beam body there are one tools in bottom plate 1 to the setting of body width direction
Displacement following plate 2, two displacement following plates flatly set elastic member, elastic component in the lateral direction between 2 lower section
Using the supporting member below beam body as installation supporting base.Supporting member is bridge pier 3 in the present embodiment.
In this way, anchoring bottom plate and beam body anchoring are integrated, the offset stress concentration on beam body left and right directions can be transmitted
To displacement following plate, then by elastic component discharge stress and by deviate stress transfer to beam body below supporting member on, therefore
It can preferably realize the lateral confinement to bridge beam body, discharge restraint stress, offset can be effectively prevent, and can incite somebody to action
It is small to structure structure injury drop during anti-offset.
Wherein, in the beam body fixation kit, anchoring bottom plate 1 is anchored using chemical bolt 4.In this way, using chemical bolt
Anchoring will not generate mount stress, improve anchoring strength and reliability, and both facilitate in bridge construction that setting can also be rear
It is set when phase safeguards.As an optimization, chemical bolt is multiple and in equidistant array arrangement, improves anchoring effect.
Wherein, the beam body fixation kit further includes the two pieces of displacements follow-up direction for being arranged on displacement following plate front and rear sides
Put more energy into side plate 5,5 upper surface of side plate is put more energy into displacement follow-up direction and 1 lower surface of anchoring bottom plate posts and fixes and is integrated, displacement with
5 medial surface of side plate is put more energy into direction and 2 front/rear end of displacement following plate is posted and fixed and is integrated.The direction in this way, displacement is followed up
Side plate 5 of putting more energy into enables displacement following plate 2 to be combined as a whole with anchoring bottom plate 1 so that entire anchoring bottom plate is in the horizontal
Displacement can be transmitted completely and be fed back on displacement following plate, improve globality and consistency.
Wherein, two pieces of displacements follow-up directions put more energy into before and after side plate 5 to corresponding anchoring bottom plate 1 between the side of side there are
Less than two pieces displacements follow-up directions are put more energy into a distance of 5 spacing of side plate, and longitudinal direction is additionally provided on the anchoring bottom plate 1 of the segment distance
Stiffener 6, longitudinal stiffener 6 are to arrange along the longitudinally disposed polylith of beam body and along beam body lateral separation, longitudinal 6 upper table of stiffener
Face and 1 lower surface of anchoring bottom plate post and fix and are integrated, and longitudinal 6 inner side end of stiffener and corresponding displacement follow-up direction add
5 lateral surface of strength side plate, which posts and fixes, to be integrated.The globality of beam body fixation kit can further be strengthened in this way so that entire
The displacement of anchoring bottom plate in the horizontal, which can be transmitted completely, to be fed back on displacement following plate.
In the present embodiment, anchoring bottom plate 1, displacement following plate 2, displacement follow-up direction are put more energy into side plate 5 and longitudinal stiffener 6
It is that stainless-steel sheet is made and is welded to each other and is fixed as one.Integral rigidity is improved in this way and facilitates construction, it is preferred to use
Straight carbon steel rimmed steel sheet/GB3274-88 proof strengths of 10mm thickness.Wherein, side plate 5 is put more energy into as pointed end in displacement follow-up direction
Triangle and tip at be located at and displacement following plate link position, longitudinal 6 lower end of stiffener without departing from displacement follow-up direction add
Strength side plate lower surface；In this way, the local intensity highest that beam body fixation kit load is most concentrated, and continuously decreased outward with this, make
It obtains rigidity size everywhere and meets with stresses and be sized to preferably match, therefore ensureing beam body fixation kit with enough firm
Degree and globality to meet with stresses under the premise of utmostly reduce consumptive material.
Wherein, bridge pier limition orientation component, institute are provided between the supporting member bridge pier below beam body and displacement following plate
Bridge pier limition orientation component is stated, including an annular anchor ear 7, the installation of anchor ear 7 is fixed to 3 top of bridge pier close to beam body position,
Each side there are one the displacement guide rod 8 extended lateral out, upper end is connected to the displacement in beam body to anchor ear for self-retaining setting
There are one the pilot hole penetrated through in left-right direction, displacement guide rod 8 coordinates horizontally slidablely to be oriented to 2 lower end of following plate tool
In hole, the left and right sides of displacement following plate 2 is each provided with a limiting buffer spring 9 being socketed on displacement guide rod 8, limiting
9 both ends of buffer spring are connected to respectively on the fixed baffle 10 of 8 end of displacement following plate 2 and displacement guide rod.Positioned at displacement with
The elastic component is formed into the limiting buffer spring on the inside of plate.
In this way, suitable for bridge pier brace type bridge of the bridge beam body lower part without bent cap, it can be real as basic component using bridge pier
Now support is fixed, and realizes that beam body deviates guiding in the horizontal direction, while can realize that displacement following plate exists by displacement guide rod
Buffer limit damping in the both direction of left and right prevents beam body horizontal-shift by spring force, and discharges beam body offset stress and arrive
On bridge pier, avoid beam body upper stress concentration that beam body is caused to crumble, greatly improve beam body safety.
Wherein, anchor ear 7 is steel hoop, and anchor ear opening is fixed to by the connection installation of high-strength bolt 11 on bridge pier 3.This
Sample, improves the reliability that anchor ear and bridge pier combine, and proof stress can smoothly be transmitted to bridge pier.
Wherein, fixed baffle 10 is further fixedly arranged on end on the displacement guide rod in the outside of limiting buffer spring and adds
Strength plate 12, end stiffener plate 12 are to be set along the polylith circumferentially of displacement guide rod 8 and along displacement guide rod length direction.This
Sample can better assure that the transmission of the load intensity proof stress of fixed baffle is reliable and stable.Further, fixed baffle 10
It is that stainless steel material is made with end stiffener plate 12, can better ensures that intensity and conveniently be welded and fixed and be integrated.
In the present embodiment, displacement guide rod 8 is square steel, and pilot hole is corresponding square hole, and such square steel can ensure by force
Degree, and rectangular in cross-section can avoid rotating, and better ensure that function of the pilot hole to the horizontally-guided of displacement guide rod.Into one
Step, the square bar that socket is mounted on displacement guide rod is additionally provided between 9 end of displacement following plate and limiting buffer spring
Gasket 13, preferably to facilitate limiting buffer spring power transmission.
Wherein, limiting buffer spring is tempered silicomanganese spring/60Si2MnA for GB4361 oil hardening, and C classes or B classes, spring coil are straight
5 ~ 14cm of diameter, shear modulus G 79000MPa；It may insure the using effect of bumper and absorbing shock stress transfer.
Wherein, it anchors on bottom plate and is further fixedly arranged on graduated scale 14,14 length direction of graduated scale is along beam body right and left
To setting；Beam body offset displacement reading can be conveniently better read out, is mainly used for measuring shifting amount of laterally climbing, it is convenient to detect in the future
The reading of deviation in the process, while certain danger early warning can also be played the role of.During implementation, the scale overall length of width scale is
The maximum range that 40cm, wherein left avertence are moved and right avertence is moved is 20cm.
The invention also discloses a kind of stub formula bridge Anti-deviation method, feature is to employ stub as described above
Formula bridge anti-deviation device obtains.Further, it is the stub formula bridge anti-deviation device installation settings is curved in bridge beam body
If offset is less than 2cm, daily maintenance is carried out to bridge for bent portions, periodically monitoring detection graduated scale offset after installation
If offset is more than or equal to 2cm and less than 5cm, reinforcing repair should be carried out to bridge, if offset be more than etc.
In 5cm and less than 10cm, should reinforcing repair be carried out to bridge immediately, if offset is more than or equal to 10cm, friendship should be closed immediately
It is logical, reinforcing repair then is carried out to bridge.Above-mentioned data are to be obtained through analysis and modeling, can more efficiently ensure bridge
Beam repair is timely, prevents beam body offset excessive, dangerous caused by after the range that can be corrected beyond device.
Claims (8)
1. a kind of stub formula bridge anti-deviation device, which is characterized in that including being arranged on the left side of beam body lower surface in the width direction
Two groups of beam body fixation kits of right both sides, beam body fixation kit include one piece of anchoring bottom plate, anchor bottom plate along beam body width direction
It sets and anchor connection is in beam body, anchor the displacement following plate longitudinally set straight down along beam body there are one tools in bottom plate,
Elastic member is flatly set in the lateral direction between below two displacement following plates, elastic component is with the bridge below beam body
Pier is installation supporting base and is fixed on the anchor ear of bridge pier mounted on one；In the beam body fixation kit, anchoring bottom plate is adopted
It is anchored with chemical bolt；
Bridge pier limition orientation component, the bridge pier limition orientation component, including one are provided between bridge pier and displacement following plate
The anchor ear of annular, anchor ear installation are fixed to bridge pier top close to beam body position, and anchor ear is each side there are one self-retaining settings
The displacement guide rod extended lateral out, there are one pass through the displacement following plate lower end tool that upper end is connected in beam body in left-right direction
Logical pilot hole, displacement guide rod coordinate in pilot hole horizontally slidablely, are each provided at left and right sides of displacement following plate
One limiting buffer spring being socketed on displacement guide rod, limiting buffer both ends of the spring are connected to displacement following plate and position respectively
It moves on the fixed baffle for being oriented to boom end.
2. stub formula bridge anti-deviation device as described in claim 1, which is characterized in that the beam body fixation kit further includes
The two pieces of displacements follow-up direction for being arranged on displacement following plate front and rear sides is put more energy into side plate, and displacement follow-up direction is put more energy into side plate upper surface
It posts and fixes and is integrated with anchoring bottom plate lower surface, displacement follow-up direction is put more energy into side plate interior sides face and displacement following plate front and back end
Face paste merging is fixed as one.
3. stub formula bridge anti-deviation device as claimed in claim 2, which is characterized in that two pieces of displacements follow-up directions are put more energy into side
Before and after plate to corresponding anchoring bottom plate between the side of side there are less than two pieces displacements follow-up directions put more energy into side sheet room away from one
Segment distance, is additionally provided with longitudinal stiffener on the anchoring bottom plate of the segment distance, and longitudinal stiffener is along longitudinally disposed more of beam body
It block and arranges along beam body lateral separation, longitudinal stiffener upper surface and anchoring bottom plate lower surface post and fix and be integrated, longitudinal direction
Stiffener inner side end and corresponding displacement follow-up direction side plate lateral surface of putting more energy into are posted and fixed and are integrated.
4. stub formula bridge anti-deviation device as described in claim 1, which is characterized in that anchor ear is steel hoop, and anchor ear is opened
It is fixed on bridge pier by high-strength bolt connection installation at mouthful.
5. stub formula bridge anti-deviation device as described in claim 1, which is characterized in that fixed baffle deviates from limiting buffer bullet
Be further fixedly arranged on end stiffener plate on the displacement guide rod in the outside of spring, end stiffener plate be along displacement guide rod circumferentially
Polylith and along displacement guide rod length direction set.
6. stub formula bridge anti-deviation device as described in claim 1, which is characterized in that be further fixedly arranged on anchoring bottom plate
Graduated scale, graduated scale length direction are set along beam body left and right directions.
7. a kind of stub formula bridge Anti-deviation method, which is characterized in that employ stub formula bridge as claimed in claim 6 and prevent
Offset assembly obtains, and the stub formula bridge anti-deviation device is installed in bridge construction to prevent bridge from deviating.
8. stub formula bridge Anti-deviation method as claimed in claim 7, which is characterized in that the stub formula bridge is anti-offset
Device installation settings is in bridge beam body bending part, periodically monitoring detection graduated scale offset after installation, if offset is small
In 2cm, daily maintenance is carried out to bridge, if offset is more than or equal to 2cm and less than 5cm, bridge should be added
Gu repair if offset is more than or equal to 5cm and less than 10cm, should carry out reinforcing repair, if offset to bridge immediately
More than or equal to 10cm, should close traffic immediately, reinforcing repair then is carried out to bridge.
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| CN201611082524.5A CN106638273B (en) | 2016-11-30 | 2016-11-30 | A kind of stub formula bridge anti-deviation device and its Anti-deviation method |
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| CN201611082524.5A CN106638273B (en) | 2016-11-30 | 2016-11-30 | A kind of stub formula bridge anti-deviation device and its Anti-deviation method |
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| CN107401120B (en) * | 2017-06-14 | 2019-07-19 | 中国水利水电第四工程局有限公司 | A kind of anti-bias moving device of stub formula bridge and its Anti-deviation method |
| CN107190656B (en) * | 2017-07-21 | 2023-10-20 | 贝正河北工程技术有限公司 | Transverse automatic deviation correcting device for bent bridge body and installation method thereof |
| CN109371855A (en) * | 2018-10-12 | 2019-02-22 | 浙江花景木业有限公司 | Convenient for correction and the bridge pier reinforced in a kind of highway bridge construction |
| CN114215563B (en) * | 2021-11-26 | 2023-12-22 | 天地科技股份有限公司 | Pier column sliding tightening method and device and pier column assembly |
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| CN203960736U (en) * | 2014-07-23 | 2014-11-26 | 杭州浙桥钢结构有限公司 | A kind of vibration-damp steel bearing of Oversea bridge damper |
| CN205329520U (en) * | 2015-12-14 | 2016-06-22 | 长安大学 | Single -column mound bridge prevent roof beam reinforcing apparatus that falls |
| CN105625163A (en) * | 2016-01-08 | 2016-06-01 | 苏交科集团股份有限公司 | Beam falling prevention device |
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| CN106638273A (en) | 2017-05-10 |
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