CN208088114U - Bridge expansion joint installation - Google Patents
Bridge expansion joint installation Download PDFInfo
- Publication number
- CN208088114U CN208088114U CN201820347899.8U CN201820347899U CN208088114U CN 208088114 U CN208088114 U CN 208088114U CN 201820347899 U CN201820347899 U CN 201820347899U CN 208088114 U CN208088114 U CN 208088114U
- Authority
- CN
- China
- Prior art keywords
- support pedestal
- bridge
- cover plate
- upper cover
- stabilizer blade
- 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.)
- Expired - Fee Related
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- Bridges Or Land Bridges (AREA)
- Road Paving Structures (AREA)
Abstract
The utility model discloses a kind of bridge expansion joint installations, belong to bridge construction technology field.The bridge expansion joint installation includes left support pedestal, right support pedestal and upper cover plate, two support bases are connected and fixed with bridge, upper cover plate is connected to by self-locking warpage preventing device in two support bases, the relative motion that does not occur up and down and along bridge width direction of the upper cover plate relative to two support bases can be limited, it is merely able to along the relative motion of bridge length direction, it can complete to stretch when bridge length changes well in this way, and upper cover plate is stamped in top, will not block bridge beam gap；The left and right stabilizer blade of two support bases and the distance between the stabilizer blade of upper cover plate meet the movement travel of bridge expansion joint installation.Bridge expansion joint installation provided by the utility model has the advantages that durability is good, Assembling is fireballing, can avoid expansion joint and occurs to block and delay pointing ageing failure.
Description
Technical field
The utility model is related to bridge construction technology field more particularly to a kind of bridge expansion joint installations
Background technology
In road communications vocation, bridge structure is to ensure that the unimpeded key node of traffic operation.Under external influence
Mobile loads such as (predominantly) temperature change, vehicles its component can deform or displacement, so between structural elements or structure bridge
Beam body end needs that expansion joint is arranged to adapt to its displacement or deformation.
Currently, there are some to ask in terms of type selecting, material, structure composition, construction at expansion joint used by bridge structure
Topic, filling joint seal material cannot be satisfied the requirement of the aspect of performance such as expansion joint intensity, heatproof, stability, and anchorage element is difficult
Failure is blocked frequent occurrence to firmly install, stitch body.Wherein the Aging Damage of pointing will cause at expansion joint structure infiltration,
And then the durability of structure is influenced, the deformation of member and the blocking free dilatation of limiting structure will cause bridge component office
Portion destroys or the whole damage of bridge, and then influences the safety of traffic operation.
In addition, newly building bridge body installation expansion joint or in the replacement with bridge expansion joint, construction is complex, at
This higher, inefficiency.
Utility model content
The purpose of this utility model is to provide a kind of bridge expansion joint installations, solve the expansion joint of existing bridge
It is easy to aging, block, installation or when replacing expansion joint, the problem of complicated construction technique is cumbersome, and cost is higher and inefficiency.
To achieve the above object, following technical scheme is provided,
Bridge expansion joint installation provided by the utility model, including left support pedestal, right support pedestal and upper cover plate, it is described
The cross section of left support pedestal and the right support pedestal is U-shaped, the left support pedestal and right support pedestal difference
Along the bridge end face for the both sides that the width direction of bridge is mounted on expansion joint, the upper cover plate passes through self-locking type warpage preventing
Device is connected on two adjacent stabilizer blades of the left support pedestal and the right support pedestal, and the upper cover plate being capable of edge
Bridge length direction horizontal relative motions in the left support pedestal and/or the right support pedestal；
The left branch outside of foot of the upper cover plate is n1, the upper cover at a distance from the left stabilizer blade on the inside of the left support pedestal
The right branch outside of foot of plate on the inside of the right stabilizer blade of the right support pedestal at a distance from be n2, outside the right stabilizer blade of the left support pedestal
Side is n3, n1+n2 >=n3 at a distance from the left branch outside of foot of the right support pedestal.
Further, n1+n2=n3.
Further, the left support pedestal and the right support pedestal are fixedly connected on bridge by anchor respectively
On body.
Further, the self-locking type warpage preventing device includes the right stabilizer blade of the left support pedestal and the right support bottom
What is be arranged on the lower face of the opposite multipair trapezoid-shaped openings and the upper cover plate opened up on the left stabilizer blade of seat trapezoidal opens with described
Mouthful matched transverse slat, the upper end widths of the trapezoid-shaped openings are less than lower end width, and the width of the transverse slat trapezoidal is opened than described
The small 10-20mm of mouth upper end width.
Further, the right stabilizer blade of the left support pedestal is identical with the height of the left stabilizer blade of the right support pedestal,
For H1, the left stabilizer blade of the left support pedestal is identical with the height of the right stabilizer blade of the right support pedestal, is H2, and H1 is less than
H2。
Further, the upper surface of the right stabilizer blade of the left stabilizer blade of the left support pedestal and the right support pedestal and bridge
The upper surface of body is concordant, when the upper cover plate is connected on the left support pedestal and the right support pedestal, the upper cover plate
Upper surface it is concordant with the upper surface of bridge.
Further, the side close to the side and bridge of the right support pedestal of the right stabilizer blade of the left support pedestal
Face is concordant, and the side of the close left support pedestal of the left stabilizer blade of the right support pedestal is concordant with the side of bridge；
The length of the left support pedestal and the right support pedestal is equal to the length of the upper cover plate, and is more than bridge
Width.
Further, the lower end of the left stabilizer blade of the upper cover plate and right stabilizer blade and the left support pedestal and the right support
The upper surface of pedestal contacts.
Further, it offers and passes through along the length direction of the upper cover plate among the left stabilizer blade of the upper cover plate and right stabilizer blade
The through-hole of the lower face of the upper cover plate is worn, is filled out in the through-hole and sets rubber seal tape.
Compared with prior art, bridge expansion joint installation provided by the utility model includes left support pedestal, right support bottom
Seat and upper cover plate, upper cover plate are connected on left support pedestal and right support pedestal by self-locking warpage preventing device, can be limited
The relative motion that does not occur up and down and along bridge width direction of the cover board relative to two support bases, is merely able to along bridge length
Direction relative motion can be completed to stretch when bridge expands with heat and contract with cold length variation well in this way, and upper cover is stamped in top
Plate will not block bridge beam gap；The left and right stabilizer blade of two support bases and the distance between the stabilizer blade of upper cover plate meet bridge and stretch
The movement travel of contracting seam device.Bridge expansion joint installation provided by the utility model is good with durability, Assembling speed is fast
The advantages of, it can avoid expansion joint and occur to block and delay pointing ageing failure.
Description of the drawings
Fig. 1 is the front view of the bridge expansion joint installation in the utility model embodiment one；
Fig. 2 is the sectional view in the directions A-A in Fig. 1；
Fig. 3 is the vertical view of the bridge expansion joint installation in the utility model embodiment one.
Reference numeral：1a- left support pedestals；1b- right support pedestals；2- upper cover plates；3- rubber seal tapes；4- is trapezoidal to be opened
Mouthful；5- anchors；6- bridges；201- transverse slats；202- through-holes.
Specific implementation mode
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
The technical issues of to make the utility model solve, the technical solution of use and the technique effect that reaches are clearer,
The technical solution of the utility model embodiment is described in further detail below in conjunction with attached drawing, it is clear that described reality
It is only the utility model a part of the embodiment to apply example, instead of all the embodiments.Based on the embodiments of the present invention,
It is new to belong to this practicality for the every other embodiment that those skilled in the art are obtained without creative efforts
The range of type protection.
As shown in Figs. 1-3, bridge expansion joint installation provided by the utility model, including left support pedestal 1a, right support bottom
The cross section of seat 1b and upper cover plate 2, left support pedestal 1a and right support pedestal 1b are U-shaped, left support pedestal 1a and right support
Pedestal 1b is fixedly connected on 6 end face of bridge of the both sides at expansion joint along the width direction of bridge 6 by anchor 5 respectively
On.Upper cover plate 2 is connected to the left branch of the right stabilizer blade and right support pedestal 1b of left support pedestal 1a by self-locking type warpage preventing device
On foot, and upper cover plate 2 can level be transported relatively in left support pedestal 1a and right support pedestal 1b along 6 length direction of bridge
It is dynamic.Specifically, self-locking type warpage preventing device includes phase on the right stabilizer blade of left support pedestal 1a and the left stabilizer blade of right support pedestal 1b
To being arranged on the lower face of the multipair trapezoid-shaped openings 4 and upper cover plate 2 that open up and 4 matched transverse slat 201 of trapezoid-shaped openings, ladder
The upper end width of shape opening 4 is less than lower end width, and the width of transverse slat 201 is smaller 10-20mm than 4 upper end width of trapezoid-shaped openings, can be with
For 10mm, 15mm or 20mm, the present embodiment is selected as 10mm.
The left branch outside of foot of upper cover plate 2 on the inside of the left stabilizer blade of left support pedestal 1a at a distance from be n1, the right branch of upper cover plate 2
Outside of foot on the inside of the right stabilizer blade of right support pedestal 1b at a distance from be n2, the right branch outside of foot of left support pedestal 1a and right support bottom
The distance of the left branch outside of foot of seat 1b is n3, n1+n2 >=n3.In the present embodiment, n1 40cm, n2 40cm, n3 80cm,
Such structure can not only meet the movement travel of the bridge expansion joint installation, but also not waste material.For example, the bridge on right side
6 when extending to the left, and right support pedestal 1b is moved downward relative to upper cover plate 2, until the right stabilizer blade of its right stabilizer blade and upper cover plate 2 connects
It touches, right support pedestal 1b is moved downward relative to left support pedestal 1a together with upper cover plate 2 later, until the left branch of upper cover plate 2
Foot is contacted with the left stabilizer blade of left support pedestal 1a.
Further, the right stabilizer blade of left support pedestal 1a and the left stabilizer blades of right support pedestal 1b (i.e. following two adjacent branch
Foot) height it is identical, be set as H1, the left stabilizer blade of left support pedestal 1a and the right stabilizer blade of right support pedestal 1b be (i.e. following both sides
Two stabilizer blades) height it is identical, be set as H2, and H1 is less than H2.Two branch of left support pedestal 1a and the both sides right support pedestal 1b
The upper surface of foot is concordant with the upper surface of bridge 6 (error is in ± 2mm), and upper cover plate 2 is connected to left support pedestal 1a
When on two stabilizer blades adjacent with right support pedestal 1b, the upper surface of upper cover plate 2 is concordant with the upper surface of bridge 6.Left support
The right stabilizer blades of pedestal 1a are concordant with the side of bridge 6 close to the side of right support pedestal 1b, and the left stabilizer blades of right support pedestal 1b are close
The side of left support pedestal 1a is concordant with the side of bridge 6, and the length of left support pedestal 1a and right support pedestal 1b are equal to upper
The length of cover board 2, and more than the width of bridge 6.In the present embodiment, two support bases and the length of upper cover plate 2 compare
The big 10cm of width of bridge 6, convenient for internal water accumulation export expansion joint will be stitched.
Further, the lower end of the left stabilizer blade of upper cover plate 2 and right stabilizer blade is with left support pedestal 1a's and right support pedestal 1b
Upper surface contacts.To reduce frictional dissipation and expansion joint waterproof, anti-blocking, the upper cover plate 2 between two support bases and upper cover plate 2
Left stabilizer blade and right stabilizer blade among along the length direction of upper cover plate 2 offer the through-hole 202 through the lower face of upper cover plate 2, lead to
It is filled out in hole 202 and sets rubber seal tape 3.
The utility model bridge expansion joint installation concrete construction method is as follows：
S1., the pre-buried anchor bar in position of bridge expansion joint installation is installed on bridge 6；According to construction temperature, according to
It is corresponding wide to be reserved (i.e. above-mentioned left support pedestal 1a and right support pedestal 1b) by beam slab specification stroke for two U-shaped support bases
Degree.Again by two U-shaped support base adjustment smooth-goings, after ensureing top surface shaped steel and superelevation of highway surface within ± 2mm, by two U
Type support base is fixed with the welding of pre-buried anchor bar；Then after formwork at expansion joint, joints cement concrete.Due to
Concrete is poured, and has concrete spare space in telescopic end, can guarantee distance of reinforcing bar, ensures two U-shaped support base positions
Set correct, raising compressive region concrete quality.
S2. after ensureing that casting concrete reaches the 70% of predetermined strength, upper cover plate 2 is installed.In the logical of upper cover plate 2
Rubber seal tape 3 is installed in hole 202, and is taken up, and is fixed, the lower face of 2 stabilizer blade of upper cover plate is made it below, is installed
The relaxation rubber seal tape 3 completes sealing function after upper cover plate 2.Rubber seal tape 3 is in steel plate lower layer, nature light,
Snow, external force and snow-melting agent cannot be acted on directly, reduce the aging of rubber seal tape 3, and reduce due to adding through-hole 202
Friction area between cover board 2 and two U-shaped support bases, reduces the abrasion between upper cover plate 2 and support base.
Bridge expansion joint installation provided by the utility model is suitable for the bridge structure of Mid and minor spans, is not suitable for Long span
Bridge structure.
Bridge expansion joint installation provided by the utility model includes left support pedestal 1a, right support pedestal 1b and upper cover plate 2,
Upper cover plate 2 is connected to by self-locking warpage preventing device on left support pedestal 1a and right support pedestal 1b, and 2 phase of upper cover plate can be limited
The relative motion not occurred up and down and along bridge width direction for two support bases, is merely able to along bridge length direction phase
To movement, can complete to stretch when bridge expands with heat and contract with cold length variation well in this way, and upper cover plate 2 is stamped in top, no
It is non-aging that bridge beam gap, winter expansion joint waterlogged damage beam-ends and rubber seal tape 3 can be blocked；The left and right of two support bases
The distance between the stabilizer blade of stabilizer blade and upper cover plate 2 meets the movement travel at expansion joint.Bridge expanssion joint provided by the utility model
Device has the advantages that durability is good, Assembling is fireballing, can avoid expansion joint and occurs to block and delay pointing aging
Failure.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carry out for a person skilled in the art various bright
Aobvious variation is readjusted and is substituted without departing from the scope of protection of the utility model.Therefore, although passing through above example
The utility model is described in further detail, but the utility model is not limited only to above example, is not departing from
Can also include other more equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Right determine.
Claims (8)
1. a kind of bridge expansion joint installation, which is characterized in that including left support pedestal（1a）, right support pedestal（1b）And upper cover plate
（2）, the left support pedestal（1a）With the right support pedestal（1b）Cross section it is U-shaped, the left support pedestal（1a）
With the right support pedestal（1b）Respectively along bridge（6）Width direction be mounted on expansion joint both sides the bridge
（6）On end face, the upper cover plate（2）It is connected to the left support pedestal by self-locking type warpage preventing device（1a）With the right branch
Support pedestal（1b）Two adjacent stabilizer blades on, and the upper cover plate（2）It can be along the bridge（6）Length direction is described
Left support pedestal（1a）And/or the right support pedestal（1b）Interior horizontal relative motions；
The upper cover plate（2）Left branch outside of foot and the left support pedestal（1a）Left stabilizer blade on the inside of distance be n1, it is described
Upper cover plate（2）Right branch outside of foot and the right support pedestal（1b）Right stabilizer blade on the inside of distance be n2, the left support bottom
Seat（1a）Right branch outside of foot and the right support pedestal（1b）Left branch outside of foot distance be n3, n1+n2 >=n3.
2. bridge expansion joint installation according to claim 1, which is characterized in that the left support pedestal（1a）With the right side
Support base（1b）Pass through anchor respectively（5）It is fixedly connected on the bridge（6）On.
3. bridge expansion joint installation according to claim 1, which is characterized in that the self-locking type warpage preventing device includes institute
State left support pedestal（1a）Right stabilizer blade and the right support pedestal（1b）Left stabilizer blade on the opposite multipair trapezoid-shaped openings opened up
（4）And the upper cover plate（2）Lower face on it is being arranged with the trapezoid-shaped openings（4）Matched transverse slat（201）, the ladder
Shape is open（4）Upper end width be less than lower end width, the transverse slat（201）Width than the trapezoid-shaped openings（4）Upper end width
Small 10-20mm.
4. bridge expansion joint installation according to claim 1, which is characterized in that the left support pedestal（1a）Right stabilizer blade
With the right support pedestal（1b）Left stabilizer blade it is identical, be H1；The left support pedestal（1a）Left stabilizer blade and the right side
Support base（1b）Right stabilizer blade height it is identical, be H2, and H1 is less than H2.
5. bridge expansion joint installation according to claim 4, which is characterized in that the left support pedestal（1a）Left stabilizer blade
With the right support pedestal（1b）Right stabilizer blade upper surface and the bridge（6）Upper surface it is concordant, when the upper cover plate
（2）It is connected to the left support pedestal（1a）With the right support pedestal（1b）When upper, the upper cover plate（2）Upper surface and institute
State bridge（6）Upper surface it is concordant.
6. bridge expansion joint installation according to claim 5, which is characterized in that the left support pedestal（1a）Right stabilizer blade
Close to the right support pedestal（1b）Side and the bridge（6）Side it is concordant, the right support pedestal（1b）'s
The close left support pedestal of left stabilizer blade（1a）Side and the bridge（6）Side it is concordant；
The left support pedestal（1a）With the right support pedestal（1b）Length be equal to the upper cover plate（2）Length, and it is big
In the bridge（6）Width.
7. bridge expansion joint installation according to claim 6, which is characterized in that the upper cover plate（2）Left stabilizer blade and the right side
The lower end of stabilizer blade and the left support pedestal（1a）With the right support pedestal（1b）Upper surface contact.
8. according to claim 1-7 any one of them bridge expansion joint installations, which is characterized in that the upper cover plate（2）A left side
Along the upper cover plate among stabilizer blade and right stabilizer blade（2）Length direction offer through the upper cover plate（2）Lower face it is logical
Hole（202）, the through-hole（202）In fill out and set rubber seal tape（3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820347899.8U CN208088114U (en) | 2018-03-14 | 2018-03-14 | Bridge expansion joint installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820347899.8U CN208088114U (en) | 2018-03-14 | 2018-03-14 | Bridge expansion joint installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208088114U true CN208088114U (en) | 2018-11-13 |
Family
ID=64062703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820347899.8U Expired - Fee Related CN208088114U (en) | 2018-03-14 | 2018-03-14 | Bridge expansion joint installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208088114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158457A (en) * | 2019-06-06 | 2019-08-23 | 桂迎生 | A kind of highway bridge fishback telescopic device |
-
2018
- 2018-03-14 CN CN201820347899.8U patent/CN208088114U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158457A (en) * | 2019-06-06 | 2019-08-23 | 桂迎生 | A kind of highway bridge fishback telescopic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20190314 |