CN206521689U - A kind of energy-dissipating type Antivibration block device - Google Patents
A kind of energy-dissipating type Antivibration block device Download PDFInfo
- Publication number
- CN206521689U CN206521689U CN201720194498.9U CN201720194498U CN206521689U CN 206521689 U CN206521689 U CN 206521689U CN 201720194498 U CN201720194498 U CN 201720194498U CN 206521689 U CN206521689 U CN 206521689U
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- China
- Prior art keywords
- block
- beam body
- bent cap
- energy
- weak floor
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Abstract
The utility model discloses a kind of energy-dissipating type Antivibration block device, belong to bridge earthquake resistance device field, including be arranged on the block at bent cap edge.Groove is provided with along bridge direction of traffic at the edge of bent cap, block is inserted into the groove of bent cap.Part vertical reinforcement inside block thirdly point two height at block, so by cause to pour block after shaping can thirdly point two height at form intensity and be weaker than the horizontal weak floor of block in itself.The top of block is additionally provided with laterally protruding portion close to the side of beam body, and laterally projecting portion is connected with damping cushion close to the side of beam body.When by seismic force effects, the laterally protruding radical at the top of block first collides with beam body, and when maximum shear resistance of the impact beyond the weak floor of block, shearing slip destruction occurs at weak floor for block, and dissipate a part of seismic energy.Stopper portions below subsequent weak floor continue occur secondary collision effect, the active force that reduction bridge lateral collision is subject to beam body.
Description
Technical field
The utility model is related to bridge earthquake resistance device field, and in particular to a kind of energy-dissipating type Antivibration block device.
Background technology
In Wenchuan earthquake in 2008, highway bridge is subject to serious destruction, and block destruction is then more universal tight
Weight.But, understanding of the domestic current bridge worker to block is big all in of perceptual knowledge, to shock-absorption dog, sacrifices
Property block design and application it is then less, earthquake resistant code is also only using block as a kind of construction measure, so that in earthquake simultaneously
Preferable effect is not played, therefore it is inappropriate that tectonic sieving is only carried out to it, its reasonable design load obtains further deep thinking.
Block has very important effect as the important horizontal limit devices of bridge in power transmission and loading process.In earthquake
Cheng Zhong, can effectively limit superstructure displacement, the generation of restrainer, but the collision between superstructure and block can also increase biography
To the active force of substructure, increase the damage of substructure.Its body of existing Antivibration block and bent cap typically together with pour
Completion is built, stop block body and bent cap are an overall structures, therefore under geological process, the destruction of stop block body is typically resulted in
The substructure local failure such as bent cap, many difficulties are brought to inspection and maintenance after shake.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of energy-dissipating type Antivibration block device, the shock of dissipation earthquake
Active force, prevents bent cap and bridge pier by eaerthquake damage.
In order to solve the above technical problems, the technical scheme that is used of the utility model for：
A kind of energy-dissipating type Antivibration block device, including block；The edge of bent cap is provided with groove, and block is inserted into the recessed of bent cap
In groove；Block is mainly made up of lower floor's block, upper strata block and weak floor, weak floor be located at lower floor's block and upper strata block it
Between；The top of upper strata block is provided with laterally protruding portion close to the side of beam body.
According to such scheme, the laterally protruding portion is connected with damping cushion close to the side of beam body.
According to such scheme, the block is reinforced concrete structure；Part vertical reinforcement inside block is in weak floor
Position disconnects.
Compared with prior art, the beneficial effects of the utility model are：When earthquake disaster occurs, the transverse direction on block top
Protuberance first can collide with beam body, and the damping cushion on the inside of block can play cushioning effect.When hit reach it is certain
During intensity, impact is beyond the maximum shear resistance of the weak floor of block, and shearing slip occurs at weak floor for block destroys, together
When the block that also reduces below the active force of earthquake, subsequent weak floor continue occur secondary collision effect with beam body, it is scattered to hit
Hit power.This Antivibration block can be effectively reduced the maximum impact that bridge under geological process is subject to, prevent bent cap and bridge pier by
To eaerthquake damage, while the block after shake is also easy to repair, reinforce and change.
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 structural representation when the utility model is applied to bridge.
Each label is interpreted as in figure：1- bent caps, 2- bearing cushion blocks, 3- rubber supports, 4- blocks, 5- beam bodies, 6- dampings
Cushion block, the laterally protruding portions of 7-, 8- lower floors block, 9- upper stratas block, 10- weak floors.
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.Antivibration block device described in the utility model is arranged at the edge of bent cap 1.In lid
The edge of beam 1 is provided with groove along bridge direction of traffic, and block 4 is inserted into the groove of bent cap 1.Part inside block 4 is vertical
Reinforcing bar thirdly point two height at block, so by cause to pour block 4 after shaping can thirdly point two height at shape
It is weaker than the horizontal weak floor 10 of block 4 itself into intensity.The top of block 4 is additionally provided with laterally protruding portion close to the side of beam body 5
7, laterally projecting portion 7 is connected with damping cushion 6 close to the side of beam body.
Specifically, according to the actual antidetonation needs of bridge structure, a bent cap 1 with groove template has been poured in advance
Into；Secondly during reinforcing bar colligation block 4 inside, by block 2/4ths three highly at vertical reinforcement block；Then it will pour
The block 4 of shaping is embedded in the groove of paired bent cap 1, is then tied damping cushion 6 in reinforced concrete with engineering is gluing
The laterally protruding portion 7 of native block 1 is close to the side of beam body 5.Finally, the groove contacted the block 4 with bent cap 1 using mortar
Surrounding is sealed.The vertical bridge of block 4 is to the vertical bridge of length and bent cap 1 to equal length, direction across bridge 30~70cm of width of block 4,
The height that block 4 is located at more than the surface of bent cap 1 is 50~80cm, the depth of embedded block 4 below the surface of bent cap 1 for 90~
130cm.The anti-of the substructures such as bent cap 1, platform cap, pier stud, basis is not to be exceeded in the intensity of lower floor's block 8 of the weak floor below 10
Push away intensity and shear resistance.In other specific embodiments, the damping cushion 6 of the present embodiment can be replaced foamed plastics cushion block or
Person's rubber cushion blocks etc..
The applicable cases of energy-dissipating type Antivibration block device described in the present embodiment are as follows：
When by seismic force effects, the laterally protruding portion 7 at the top of block 4 collides with beam body 5 first, in block 4
The damping cushion 6 of side can play cushioning effect.When shock reaches certain intensity, impact exceeds the weak floor of block 4
Shearing slip destruction occurs at weak floor 10 for 10 maximum shear resistance, upper strata block 9, so as to reduce earthquake response, dissipates
Seismic energy.Lower floor block 8 part of the subsequent weak floor below 10 continues occur secondary collision effect with beam body 5, disperses to hit
Power, maximum impact caused by reduction bridge lateral collision.Under the same conditions, the Antivibration block device can be effectively reduced
Maximum impact, prevents bent cap 1 and bridge pier by eaerthquake damage.Meanwhile, the prefabricated reinforced concrete Antivibration block 4 of failure by shear
It is easily changed, maintenance after shake is changed simple and efficient.The utility model is simple in construction, and Path of Force Transfer is clear and definite, by reasonably dividing
Analysis calculating can reach effective restraining ability and play " fuse " effect, inspection and maintenance after bridge shake is more facilitated fast
It is prompt.
Claims (3)
1. a kind of energy-dissipating type Antivibration block device, it is characterised in that：Including block (4)；The edge of bent cap (1) is provided with groove, gear
Block (4) is inserted into the groove of bent cap (1)；Block (4) is main by lower floor's block (8), upper strata block (9) and weak floor (10) group
Into weak floor (10) is located between lower floor's block (8) and upper strata block (9)；The top of upper strata block (9) is close to beam body (5)
Side is provided with laterally protruding portion (7).
2. a kind of energy-dissipating type Antivibration block device according to claim 1, it is characterised in that：The laterally protruding portion (7)
Side close to beam body (5) is connected with damping cushion (6).
3. a kind of energy-dissipating type Antivibration block device according to claim 1, it is characterised in that：The block (4) is reinforcing bar
Concrete structure；The internal part vertical reinforcement of block (4) disconnects in weak floor (10) position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720194498.9U CN206521689U (en) | 2017-03-02 | 2017-03-02 | A kind of energy-dissipating type Antivibration block device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720194498.9U CN206521689U (en) | 2017-03-02 | 2017-03-02 | A kind of energy-dissipating type Antivibration block device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206521689U true CN206521689U (en) | 2017-09-26 |
Family
ID=59893381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720194498.9U Expired - Fee Related CN206521689U (en) | 2017-03-02 | 2017-03-02 | A kind of energy-dissipating type Antivibration block device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206521689U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829362A (en) * | 2017-10-30 | 2018-03-23 | 重庆交通大学 | The bridge tensility shock-resistant structure and construction method easily replaced after shake |
| CN108035200A (en) * | 2018-01-08 | 2018-05-15 | 国储运通轨道交通科技有限公司 | Bridge-type longeron damper rail system |
| 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 |
| CN109653082A (en) * | 2019-01-18 | 2019-04-19 | 盛年科技有限公司 | A kind of two-way function divergence type shock mitigation system |
| CN109914227A (en) * | 2019-03-28 | 2019-06-21 | 华东交通大学 | A kind of bridge and its sacrificial Antivibration block |
-
2017
- 2017-03-02 CN CN201720194498.9U patent/CN206521689U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829362A (en) * | 2017-10-30 | 2018-03-23 | 重庆交通大学 | The bridge tensility shock-resistant structure and construction method easily replaced after shake |
| CN108035200A (en) * | 2018-01-08 | 2018-05-15 | 国储运通轨道交通科技有限公司 | Bridge-type longeron damper rail system |
| 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 |
| CN109653082A (en) * | 2019-01-18 | 2019-04-19 | 盛年科技有限公司 | A kind of two-way function divergence type shock mitigation system |
| CN109653082B (en) * | 2019-01-18 | 2021-04-13 | 盛年科技有限公司 | Bidirectional function separation type damping system |
| CN109914227A (en) * | 2019-03-28 | 2019-06-21 | 华东交通大学 | A kind of bridge and its sacrificial Antivibration block |
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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 |
Granted publication date: 20170926 Termination date: 20200302 |
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| CF01 | Termination of patent right due to non-payment of annual fee |