CN206570673U - A kind of replaceable embedded rebar concrete anti-earthquake baffle block device - Google Patents
A kind of replaceable embedded rebar concrete anti-earthquake baffle block device Download PDFInfo
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- CN206570673U CN206570673U CN201720194581.6U CN201720194581U CN206570673U CN 206570673 U CN206570673 U CN 206570673U CN 201720194581 U CN201720194581 U CN 201720194581U CN 206570673 U CN206570673 U CN 206570673U
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- block
- bent cap
- earthquake
- bridge
- concrete anti
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Abstract
The utility model discloses a kind of replaceable embedded rebar concrete anti-earthquake baffle block device, belong to bridge earthquake resistance technical field, including be arranged on the block at bent cap edge, the bottom of block is wedge shape, the edge of bent cap is provided with wedge-shaped impression, and block is inserted into the groove of bent cap.Block is also associated with rubber cushion blocks close to the side of beam body web.In, under small earthquake, block is in elasticity or strength development stage, and the lateral inertia forces born are less than its shearing strength, can effectively limit the displacement of beam body and the deformation of rubber support, give full play to its position-limiting action；Under macroseism, destruction is cut in the even sliding of block strength degradation, can greatly improve the plastic deformation ability of block, and effectively prevents bent cap and bridge pier by eaerthquake damage, is easy to maintenance and reinforcing after shake.
Description
Technical field
The utility model is related to bridge earthquake resistance technical field, and in particular to a kind of replaceable embedded rebar agent on crack resistance of concrete
Shake stop assembly.
Background technology
Earthquake is listed in because of its emergentness occurred and considerable damage power first of various natural calamities.China is located at the world
In two violent earthquake bands, earthquake disaster frequently occurs, and the directly or indirectly economic loss caused by earthquake is very huge.From all previous
The main cause of obtained highway bridge earthquake generation is investigated in shake destruction supporting connecting piece failure and substructure failure.Its
In, block easily collides as the important construction measure of Medium and small span beam bridge Horizontal Seismic in earthquake, and then causes phase
Component internal stress is answered to increased dramatically, the ductility to bottom bridge pier requires to increase, or even causes bridge pier brittle shear failure.Therefore
The rational planning and construction of Antivibration block seems extremely important.If block was designed to weak, restraining ability is low, in geological process
It is lower easily to occur laterally to fall beam, made troubles to the maintenance and reinforcing after shake；, again can be to bridge and the rigidity of block design is excessive
The seismic response of substructure has a negative impact.Existing Antivibration block body and bent cap typically together with pour completion,
Stop block body and bent cap are an overall structures, therefore under geological process, the destruction of stop block body typically results in bent cap part
Destruction, geological process than it is stronger when even cause bridge pier brittle shear failure, to after shake repair bring difficulty, repair time
Long, cost is higher.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of replaceable embedded rebar concrete anti-earthquake baffle block dress
Put, for protecting bent cap and bridge pier and preventing bridge main body structure from destroying, maintenance and reinforcing expense after shake can be reduced.
In order to solve the above technical problems, the technical scheme that is used of the utility model for：
A kind of replaceable embedded rebar concrete anti-earthquake baffle block device, including it is arranged on the block at bent cap edge, bent cap
Edge be provided with groove, block is inserted into the groove of bent cap.
According to such scheme, the block is connected with rubber cushion blocks close to the side of beam body web.
According to such scheme, the bottom of the block is wedge shape, and the groove that the bent cap edge is set is wedge-shaped impression.
Compared with prior art, the beneficial effects of the utility model are：When transverse shifting occurs for beam body under geological process,
Rubber cushion blocks on the inside of block can play cushioning effect, dissipation seismic force.When geological process is weaker, what stop block body was born
Transverse Impact power is less than its shearing strength, can effectively limit the displacement of girder and the deformation of rubber support, give full play to its spacing
Effect, restrainer accident occurs；Under severe earthquake action, beam body direction across bridge is also easy to produce larger displacement, and impact exceedes reinforcing bar
Concrete block shear-carrying capacity, now block intensity is gradually degenerated or even appearance sliding is cut and more than destruction, bent cap surface kept off
Block portion point is flown by Transverse Shear, can effectively prevent bent cap and bridge pier by eaerthquake damage.Restraining ability of the present utility model can pass through
Set up block and effective to carry out by the Strength Safety grade between protection component, the construction and reinforcement manner that change block etc.
Regulation, to meet the antidetonation demand of different bridge structures.The buffering collision of closed that whole antidetonation process has given full play to rubber cushion blocks is made
With the effect that " structure fuse " is served as with replaceable Antivibration block, while also allowing for later period maintenance and more after Antivibration block destruction
Change.Clearly, simple structure, construction is simple, and cost is relatively low, with preferable engineering application value for the utility model Seismic mechanism,
It can be widely applied to the bridge block of various criterion shockproof requirements.
Brief description of the drawings
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings, wherein：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is riding position schematic diagram of the utility model on bent cap.
Each label is interpreted as in figure：1- bent caps, 2- bearing cushion blocks, 3- rubber supports, 4- blocks, 5- beam bodies, 6- rubber
Cushion block.
Embodiment
The upper surface of general bridge bent cap 1 is provided with bearing cushion block 2, provided with common board-like rubber branch on bearing cushion block 2
Seat 3, beam body 5 is positioned on rubber support 3.The utility model is that interchangeable armored concrete gear is set at the edge of bent cap 1
Block 4.Wedge-shaped impression is reserved with the edge of beam body 1, the bottom of block 4 is also configured to wedge shape, and block 4 inserts the wedge shape of beam body 1
In groove.Block 4 is provided with rubber cushion blocks 6 close to the side of the web of beam body 1, and rubber cushion blocks 6 are with engineering glue sticking on block 4.
Specifically in construction, according to the actual antidetonation needs of bridge structure, in advance by the bent cap 1 with wedge-shaped impression template
Completion is poured, secondly by the prefabricated block 4 that can just be embedded in wedge-shaped impression and the mounted in pairing mode of bent cap 1, then by rubber blanket
Block 6, in the inner side of block 4, finally, is sealed the wedge-shaped impression surrounding that block 4 and bent cap 1 are reserved using mortar with engineering glue sticking.
The intensity of block 4 is not to be exceeded the anti-of substructure such as bent cap 1, platform cap, pier stud, basis and pushes away intensity and shear resistance.Usually,
The vertical bridge of block 4 is to vertical bridge of the length less than bent cap 1 to width, and the direction across bridge width of block 4 is 30~70cm, and block 4 is in lid
The height more than surface of beam 1 is 40~80cm, and embedded depth is 100~120cm below the surface of bent cap 1.
In other specific embodiments, the rubber cushion blocks 6 of the present embodiment can be replaced foamed plastics cushion block etc..Bridge it is vertical
Bridge can use the utility model to block, abutment position.
Under normal working load and small shake effect, the rubber cushion blocks 6 of the inner side of block 4 can play cushioning effect, dissipate
Seismic force, and the Transverse Impact power that the body of block 4 is born is less than its shearing strength, can effectively limit displacement and the rubber of beam body 5
The deformation of bearing 3, gives full play to its position-limiting action；The direction across bridge of beam body 5 is also easy to produce larger displacement, impact under severe earthquake action
After shear-carrying capacity more than block 4, the strength degradation of block 4 even cuts destruction by sliding, can effectively prevent bent cap 1
With bridge pier by eaerthquake damage, meanwhile, the block 4 cut up is readily replaceable, is repaired after shake quick and convenient.
The utility model is simple in construction, and clearly, convenient and quick construction can reach Path of Force Transfer by reasonably analyzing calculating
Effectively spacing and protection bent cap 1 and bridge pier to greatest extent, makes bridge repair convenient and swift after shaking.
Claims (3)
1. a kind of replaceable embedded rebar concrete anti-earthquake baffle block device, it is characterised in that：Including being arranged on bent cap (1) edge
Block (4), the edge of bent cap (1) is provided with groove, and block (4) is inserted into the groove of bent cap (1).
2. a kind of replaceable embedded rebar concrete anti-earthquake baffle block device according to claim 1, it is characterised in that：Institute
State block (4) and be connected with rubber cushion blocks (6) close to the side of beam body (5) web.
3. a kind of replaceable embedded rebar concrete anti-earthquake baffle block device according to claim 1, it is characterised in that：Institute
It is wedge shape to state the bottom of block (4), and the groove that bent cap (1) edge is set is wedge-shaped impression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720194581.6U CN206570673U (en) | 2017-03-02 | 2017-03-02 | A kind of replaceable embedded rebar concrete anti-earthquake baffle block device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720194581.6U CN206570673U (en) | 2017-03-02 | 2017-03-02 | A kind of replaceable embedded rebar concrete anti-earthquake baffle block device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206570673U true CN206570673U (en) | 2017-10-20 |
Family
ID=60056964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720194581.6U Expired - Fee Related CN206570673U (en) | 2017-03-02 | 2017-03-02 | A kind of replaceable embedded rebar concrete anti-earthquake baffle block device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206570673U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442238A (en) * | 2018-05-28 | 2018-08-24 | 湘潭大学 | A kind of transverse direction assembled runback bit-type Antivibration block and its construction method |
| CN108643028A (en) * | 2018-06-26 | 2018-10-12 | 长江师范学院 | A kind of bridge beam body anti-deviation device with bridge pier defencive function |
| CN109403202A (en) * | 2018-11-22 | 2019-03-01 | 上海市政交通设计研究院有限公司 | A kind of more block bent caps and its construction method |
| CN109505270A (en) * | 2019-01-14 | 2019-03-22 | 兰州理工大学 | A kind of limit reinforcement system of laminated rubber bearing bridge |
| CN109914227A (en) * | 2019-03-28 | 2019-06-21 | 华东交通大学 | A kind of bridge and its sacrificial Antivibration block |
| CN110485270A (en) * | 2019-09-16 | 2019-11-22 | 莆田学院 | A kind of bridge earthquake resistance device being provided with massif formula flexibility block |
| CN110485269A (en) * | 2019-09-16 | 2019-11-22 | 莆田学院 | A kind of rail-guided formula bridge shock-proof check block device |
-
2017
- 2017-03-02 CN CN201720194581.6U patent/CN206570673U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442238A (en) * | 2018-05-28 | 2018-08-24 | 湘潭大学 | A kind of transverse direction assembled runback bit-type Antivibration block and its construction method |
| CN108442238B (en) * | 2018-05-28 | 2023-09-19 | 湘潭大学 | Transverse assembly type self-resetting anti-seismic stop block and construction method thereof |
| CN108643028A (en) * | 2018-06-26 | 2018-10-12 | 长江师范学院 | A kind of bridge beam body anti-deviation device with bridge pier defencive function |
| CN109403202A (en) * | 2018-11-22 | 2019-03-01 | 上海市政交通设计研究院有限公司 | A kind of more block bent caps and its construction method |
| CN109505270A (en) * | 2019-01-14 | 2019-03-22 | 兰州理工大学 | A kind of limit reinforcement system of laminated rubber bearing bridge |
| CN109914227A (en) * | 2019-03-28 | 2019-06-21 | 华东交通大学 | A kind of bridge and its sacrificial Antivibration block |
| CN110485270A (en) * | 2019-09-16 | 2019-11-22 | 莆田学院 | A kind of bridge earthquake resistance device being provided with massif formula flexibility block |
| CN110485269A (en) * | 2019-09-16 | 2019-11-22 | 莆田学院 | A kind of rail-guided formula bridge shock-proof check block device |
| CN110485269B (en) * | 2019-09-16 | 2024-01-26 | 莆田学院 | Rail guide type bridge anti-seismic stop block device |
| CN110485270B (en) * | 2019-09-16 | 2024-04-02 | 莆田学院 | Bridge anti-seismic device provided with hillock type flexible stop blocks |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20200302 |
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| CF01 | Termination of patent right due to non-payment of annual fee |