CN207392032U - A kind of prefabricated case beam - Google Patents
A kind of prefabricated case beam Download PDFInfo
- Publication number
- CN207392032U CN207392032U CN201721172914.1U CN201721172914U CN207392032U CN 207392032 U CN207392032 U CN 207392032U CN 201721172914 U CN201721172914 U CN 201721172914U CN 207392032 U CN207392032 U CN 207392032U
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- CN
- China
- Prior art keywords
- web
- plate
- epiplastron
- top plate
- fixture block
- Prior art date
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Abstract
The utility model discloses a kind of prefabricated case beams, its drip irrigation device includes top plate, the web for being arranged at top plate both sides and the bottom plate positioned at web bottom, the web includes the epiplastron affixed with top plate and the bottom web affixed with bottom plate, yielding rubber block is provided between epiplastron and bottom web, it is fixedly connected between epiplastron and bottom web by the locked component of setting, one side of the bottom plate away from bottom plate is provided with shock-proof plate.Box beam vibrations can be reduced, the crack that box beam is generated by vibrations is reduced, increase its service life.
Description
Technical field
The utility model is related to bridge field, more specifically, it relates to a kind of prefabricated case beam.
Background technology
Box beam is one kind of science of bridge building central sill, and inside is hollow shape, and there are the edge of a wing in top both sides, similar chest, thus
Name, point single case, more casees etc.；The box beam of reinforced concrete structure is divided into prefabricated case beam and cast-in-situ box girder；It is prefabricated in independent place
Box beam combination Bridge Erector can be set up after the completion of the engineering of lower part, can be accelerated project progress, be saved the duration；Cast-in-situ box girder is mostly used
In Large Scale and Continuous bridge.
It is common at present to be divided with material, there are mainly two types of, when prestressed reinforced concrete box beam, when steel box-girder, wherein, in advance
Stress reinforced concrete box beam is site operation, and in addition to having longitudinal prestressing, some also set up transverse prestress；Steel box-girder is usually
In-site installation is transported to after processing in the factory again, there is full steel structure, also there is part plus reinforced concrete pave-load layer.
As shown in Figure 1, existing box beam include top plate, be arranged on top plate both sides and with two blocks of webs below top plate,
The one side opposite with top plate is fixedly installed bottom plate with side plate, and when being molded to top plate, web and bottom slab concreting, inside is embedded
There is reinforcing bar.
But this box beam is in use, when the vehicle travelled on bridge is more, can be generated in vehicle travel process
Vibrations so that box beam shakes, however there is no damping processing for existing box beam so that box beam is easily during long-term vibrations
Crack is generated, reduces service life.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of prefabricated case beams, can reduce
Box beam shakes, and reduces the crack that box beam is generated by vibrations, increases its service life.
To achieve the above object, the utility model provides following technical solution：
A kind of prefabricated case beam, it is described including top plate, the web that is arranged at top plate both sides and the bottom plate positioned at web bottom
Web includes the epiplastron affixed with top plate and the bottom web affixed with bottom plate, is provided with and subtracts between epiplastron and bottom web
Rubber block is shaken, is fixedly connected between epiplastron and bottom web by the locked component of setting, in the bottom plate away from bottom plate
One side is provided with shock-proof plate.
By using above-mentioned technical proposal, can be played a supporting role by the top plate, web and bottom plate of setting, in abdomen
The yielding rubber block set between plate can play buffering effect to the transmission of vibrations, so as to reduce box beam vibrations, extend box beam
Service life.
Preferably, that thickness is respectively arranged in mould molding is thick for web for epiplastron one end opposite with bottom web
The upper fixture block of half and lower fixture block are spent, in docking, upper fixture block is located at web one side close to each other.
By using above-mentioned technical proposal, upper snap-gauge and lower snap-gauge by setting, when building, lower snap-gauge is located at two
Side carries out /V to upper snap-gauge, can be to the /V in the horizontal direction of upper snap-gauge during load capacity.
Preferably, the locked component includes being arranged on two pieces of lockings of the one side that fixture block is relatively distant from lower fixture block
Plate is provided with locking bolt and epiplastron, bottom web is locked through lockplate, upper fixture block, lower fixture block.
By using above-mentioned technical proposal, upper fixture block, lower fixture block are carried out along its length by the locked component of setting
/V prevents it from moving in vibration processes.
Preferably, the shock-proof plate is equidistantly arranged in parallel with two or more on bottom plate.
By using above-mentioned technical proposal, by the shock-proof plate of setting, the vibration of ground generation can be reduced to box beam
It influences.
Preferably, the shock-proof plate is carbon fiber board.
By using above-mentioned technical proposal, carbon fiber board has high tensile strength, corrosion-resistant, shock resistance, impact resistance etc.
Superperformance is placed it in below bottom plate, can promote bending resistance, the shearing strength of bottom plate, while can be with damping, so as to protect
Box beam.
Preferably, two blocks of webs are tilted to one side close to each other and angle of inclination is 25-30 degree.
By using above-mentioned technical proposal, web inclination angle is arranged between 25-30 degree so that web bearing capacity is more uniform
Stablize.
Preferably, the both sides of the web and the top plate link position are provided with chamfering, chamfer shape to be arc-shaped or
Person's linear.
By using above-mentioned technical proposal, by the chamfering of setting, the contact area of web and top plate is added, when long
Between vertical tremor during, do not allow to be also easy to produce slight crack between top plate and web.
Preferably, it is embedded with deformed bar in the web.
By using above-mentioned technical proposal, by pre-buried reinforcing bar in web, prestressing force can be applied to offset box beam
The load that self gravitation generates.
It is preferably, pre-formed using mold between the top plate and epiplastron, bottom plate and bottom web.
By using above-mentioned technical proposal, it is process by the way that mold is prefabricated, work progress can be accelerated, shortened the construction period.
In conclusion the utility model has the advantages that：
1st, can be played a supporting role by the top plate, web and bottom plate of setting, the damping rubber set between web
Blob of viscose can play buffering effect to the transmission of vibrations, so as to reduce box beam vibrations, extend box beam service life；
2nd, the upper snap-gauge by setting and lower snap-gauge, when building, lower snap-gauge is located at both sides and carries out /V to upper snap-gauge,
It, can be to the /V in the horizontal direction of upper snap-gauge during load capacity；
3rd, by the chamfering of setting, the contact area of web and top plate is added, during prolonged vertical tremor,
Do not allow to be also easy to produce slight crack between top plate and web.
Description of the drawings
Fig. 1 is the structure diagram of prior art box beam；
Fig. 2 is a kind of structure diagram of prefabricated case beam；
Fig. 3 is a kind of schematic cross-section of prefabricated case beam.
Reference numeral：1st, top plate；11st, chamfering；2nd, web；21st, epiplastron；211st, upper fixture block；22nd, bottom web；221st, under
Fixture block；3rd, bottom plate；4th, yielding rubber block；5th, locked component；51st, lockplate；52nd, through hole；53rd, locking bolt；6th, shock-proof plate；
A, inclination angle.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing, wherein the identical attached drawing of identical parts
Mark represents.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometry
The direction at center.
A kind of prefabricated bridge case, as shown in Fig. 2, including top plate 1, being arranged at the web 2 of 1 both sides of top plate and being arranged on bottom
Bottom plate 3, wherein, web 2 includes the epiplastron 21 that is fixedly connected with top plate 1 and bottom web 22 is fixedly installed with bottom plate 3,
Yielding rubber block 4, the locked component 5 that epiplastron 21 passes through setting with bottom web 22 are provided between epiplastron 21 and bottom web 22
It is fixed.
One end close to each other is respectively integrally formed with upper fixture block 211 and lower fixture block between epiplastron 21 and bottom web 22
221, wherein, upper fixture block 211 is located at the one side close to each other of web 2, and lower snap-gauge 221 is located at the one side that web 2 is located remotely from each other, on
The thickness of snap-gauge 211 and lower snap-gauge 221 is all the half of 2 thickness of web；It, can by lower fixture block 221 when installing and using
With to upper fixture block 211, upper limit, installation are relatively stable, safe in the horizontal direction.
4 rectangular Z-shaped of yielding rubber block, in docking, damping rubber plate 4 is connected to snap-gauge 211 and lower snap-gauge 221
Between, reduce vibration transmission.
Locked component 5 include parallel to upper 211 length direction of snap-gauge lockplate 51, lockplate 51 upper snap-gauge 211 with
The one side that lower snap-gauge 221 is relatively distant from is provided with two pieces, by using electric drill lockplate 51, on fixture block 211 and lower fixture block
Multiple through holes 52 are equidistantly drilled on 221, the locking bolt 53 of setting sequentially passes through lockplate 51, upper fixture block 211, lower fixture block
221st, epiplastron 21 and bottom web 22 are fixed lockplate 51.
As shown in Fig. 2, two blocks of webs 2 are obliquely installed to one side close to each other, inclination angle a is arranged between 25-30 degree, is made
The endurance for obtaining web 2 is more uniform and stable；The both sides of junction are provided with chamfering 11, chamfering 11 between web 2 and top plate 1
Shape can be linear, or circular shape passes through the chamfering 11 of setting so that when web 2 supports top plate 1,
Forced area is larger, when being subject to vibrations along the vertical direction for a long time, does not allow to be also easy to produce slight crack between web 2 and top plate 1.
Shock-proof plate 6 is provided on the lower surface of bottom plate 3, shock-proof plate 6 uses carbon fiber board, and carbon fiber board is in bottom plate following table
Face is provided with a plurality of；Carbon fiber board has the superperformances such as high tensile strength, corrosion-resistant, shock resistance, impact resistance, is placed
Below bottom plate, bending resistance, the shearing strength of bottom plate can be promoted, while can be with damping, so as to protect box beam.
It should be noted that the fixation between top plate 1 and epiplastron 21, bottom plate 3 and bottom web 22 be by processing when,
It is pre-formed by using mold, at the time of molding, reinforcing bar is embedded in top plate 1, web 2 and bottom plate 3, to apply pre- answer
Power with offset box beam self gravitation generation load.
The utility model by the yielding rubber block 4 being arranged between upper snap-gauge 211 and lower snap-gauge 221 and is arranged on
The carbon fiber board of 3 lower section of bottom plate, the vibrations for box beam can play buffering effect, prevent from shaking so as to play protection box beam
Move excessive so that box beam generates slight crack.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
Claims (9)
1. a kind of prefabricated case beam, including top plate（1）, be arranged at top plate（1）The web of both sides（2）And positioned at web（2）Bottom
Bottom plate（3）, it is characterized in that：The web（2）Including with top plate（1）Affixed epiplastron（21）And and bottom plate（3）It is affixed
Bottom web（22）, in epiplastron（21）With bottom web（22）Between be provided with yielding rubber block（4）, in epiplastron（21）With under
Web（22）Between pass through the locked component of setting（5）It is fixedly connected, in the bottom plate（3）Away from top plate（1）One side set
There is shock-proof plate（6）.
2. prefabricated case beam according to claim 1, it is characterized in that：
The epiplastron（21）With bottom web（22）Opposite one end is respectively arranged with thickness as web（2）Thickness half
Upper fixture block（211）With lower fixture block（221）, in docking, upper fixture block（211）Positioned at web（2）One side close to each other.
3. prefabricated case beam according to claim 2, it is characterized in that：
The locked component（5）Including being arranged on upper fixture block（211）With lower fixture block（221）Two pieces of lockings of the one side being relatively distant from
Plate（51）, it is provided with locking bolt（53）Through lockplate（51）, upper fixture block（211）, lower fixture block（221）On the through hole that opens up
（52）So as to epiplastron（21）, bottom web（22）It is locked.
4. prefabricated case beam according to claim 1, it is characterized in that：
The shock-proof plate（6）In bottom plate（3）On be equidistantly arranged in parallel with two or more.
5. prefabricated case beam according to claim 4, it is characterized in that：
The shock-proof plate（6）For carbon fiber board.
6. prefabricated case beam according to claim 1, it is characterized in that：
Two blocks of webs（2）It is tilted to one side close to each other and angle of inclination is 25-30 degree.
7. prefabricated case beam according to claim 6, it is characterized in that：
The web（2）With the top plate（1）The both sides of link position are provided with chamfering（11）, chamfering（11）Shape is arc-shaped
Or linear.
8. prefabricated case beam according to claim 1, it is characterized in that：
The web（2）Inside it is embedded with deformed bar.
9. prefabricated case beam according to any one of claims 1 to 8, it is characterized in that：
The top plate（1）With epiplastron（21）, bottom plate（3）With bottom web（22）Between using mold it is pre-formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721172914.1U CN207392032U (en) | 2017-09-13 | 2017-09-13 | A kind of prefabricated case beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721172914.1U CN207392032U (en) | 2017-09-13 | 2017-09-13 | A kind of prefabricated case beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207392032U true CN207392032U (en) | 2018-05-22 |
Family
ID=62416365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721172914.1U Expired - Fee Related CN207392032U (en) | 2017-09-13 | 2017-09-13 | A kind of prefabricated case beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207392032U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523062A (en) * | 2020-12-16 | 2021-03-19 | 重庆交通大学 | Steel-concrete combined box girder viaduct structure |
-
2017
- 2017-09-13 CN CN201721172914.1U patent/CN207392032U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523062A (en) * | 2020-12-16 | 2021-03-19 | 重庆交通大学 | Steel-concrete combined box girder viaduct structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20210913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |