CN201952722U - Double-layer steel plate seismic block - Google Patents
Double-layer steel plate seismic block Download PDFInfo
- Publication number
- CN201952722U CN201952722U CN2010206624627U CN201020662462U CN201952722U CN 201952722 U CN201952722 U CN 201952722U CN 2010206624627 U CN2010206624627 U CN 2010206624627U CN 201020662462 U CN201020662462 U CN 201020662462U CN 201952722 U CN201952722 U CN 201952722U
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- block
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- nexine
- antidetonation
- layer plate
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Abstract
The utility model relates to a double-layer steel plate seismic block, which can prevent a bridge from collapsing in the transverse direction. A pier cap corresponding to the outside of a girder is provided with the two-layer steel plate seismic block, parameters of the two layers of steel plates, such as size, strength and the like, are identical, and the clear spacing between the two layers of steel plates is 1 to 2.5 times that between an inner block and the outside of the girder of the upper structure of the bridge. Therefore, the double-layer steel plate seismic block can improve the seismic capability of the whole bridge, is simple to manufacture, convenient to install, low in cost and obvious in effect, and is suitable to be widely promoted and applied to bridgework.
Description
Technical field
The utility model relates to the anti-seismic technology of bridge engineering structure, particularly relates to a kind of double-deck shoulder guard antidetonation block of the anti-fall beam construction as bridge.
Background technology
The common practice that is used at present to limit because of relative lateral displacement between seimic bridge superstructure and the pier cap is: with the corresponding pier cap of beam body position on the additional steel concrete limited block of cast one deck.This individual layer steel concrete limited block can make bridge superstructure transversely be in unobstructed state after earthquake is impacted damage in early days, and the beam phenomenon that falls of bridge superstructure takes place in earthquake late period or aftershock easily; Because the impact damage of steel concrete block in earthquake belongs to hard hit and hit,, can't have preferable anti seismic efficiency again so energy dissipation capacity is relatively poor.
This shows that above-mentioned existing bridge earthquake resistance block obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of double-layer plate antidetonation block of new structure, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Summary of the invention
The purpose of this utility model is, overcome existing bridge earthquake resistance block and only have anti-vibration defense lines one, block destroys the axle casing superstructure and promptly is in unobstructed state, and steel concrete block power consumption defect of insufficient, and provide a kind of double-layer plate antidetonation block of new structure, technical problem to be solved is to make it that twice anti-vibration defense lines can be provided, improved the horizontal energy dissipation capacity of antidetonation block, reduced the extra pier cap width that increases when adopting double steel bar concrete block, reduced that the risk that beam destroys appears falling in bridge in the earthquake, be very suitable for practicality.
The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.According to a kind of double-layer plate antidetonation block that the utility model proposes, it is characterized in that the two-layered steel plates antidetonation block of the space on the pier cap of the corresponding bridge pier that it comprises the outstanding girder outside that is fixedly arranged on bridge superstructure.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid double-layer plate antidetonation block, wherein said two-layered steel plates antidetonation block is by forming near the nexine block in the girder outside and the outer block that is positioned at this nexine block outside at interval, and this nexine block and this skin block are size and the on all four steel plate of armor plate strength parameter.
Aforesaid double-layer plate antidetonation block, the clear spacing between wherein said nexine block and this skin block are 1~2.5 times of clear spacing between this nexine block and this girder outside
Aforesaid double-layer plate antidetonation block, wherein said nexine block and this skin block are to locate with the reinforcing bar binding of this pier cap, and are fixedly arranged on this pier cap by concreting.
Aforesaid double-layer plate antidetonation block is provided with the filler that is used for damping between wherein said girder and this nexine block and between this nexine block and this skin block.
Aforesaid double-layer plate antidetonation block, wherein said filler is junked tire, block rubber or steel spring.
Aforesaid double-layer plate antidetonation block, this nexine block and this skin block that wherein are arranged on each this pier cap are respectively to be made of a plurality of steel plates of arranging along the bridge length direction.
The utility model compared with prior art has tangible advantage and beneficial effect.By technique scheme, the utility model double-layer plate antidetonation block has following advantage and beneficial effect at least:
(1) the utility model after nexine antidetonation block is broken, still has outer antidetonation block to keep out possible impact in earthquake, has improved the whole shock resistance of bridge;
(2) impact damage of steel plate block of the present utility model in earthquake belongs to soft bump, and its energy dissipation capacity is better than the energy dissipation capacity of steel concrete block, therefore can avoid hard hit occurring between earthquake middle girder and the block and hit, and protects just preferable anti seismic efficiency;
(3) the utility model has reduced because of adopting the extra pier cap width that increases of double steel bar concrete block;
(4) manufacturing of the present utility model is simple, easy for installation, with low cost, therefore very easily promotion and application.
In sum, the utility model relates to a kind of double-layer plate antidetonation block, and it can stop and occur falling the beam phenomenon on the bridge lateral.It is to constitute by on corresponding pier cap position, the girder outside two-layered steel plates antidetonation block being set, parameters such as the size of this two-layered steel plates and armor plate strength are in full accord, and the clear spacing between this two-layered steel plates is 1~2.5 times of clear spacing between the girder outside of nexine block and bridge superstructure.Thereby the utility model can improve the shock resistance of integral bridge, and double-layer plate antidetonation block of the present utility model making is simple, and easy for installation, with low cost, effect is remarkable, is very suitable for the general promotion and application on bridge engineering.The utility model has obvious improvement technically, and has tangible good effect, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of manual, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the elevation of a preferred embodiment of the utility model double-layer plate antidetonation block.
Fig. 2 is the sectional view along the I-I line among Fig. 1.
Fig. 3 is the elevation of another preferred embodiment of the utility model double-layer plate antidetonation block.
Fig. 4 is the sectional view along the II-II line among Fig. 3.
1: girder 2: the nexine block
3: outer block 4: pier cap
5: filler
The specific embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to its specific embodiment of double-layer plate antidetonation block, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.
Relevant aforementioned and other technology contents, characteristics and effect of the present utility model can clearly present in the following detailed description that cooperates with reference to graphic preferred embodiment.Explanation by the specific embodiment, when can being to reach technological means that predetermined purpose takes and effect to obtain one more deeply and concrete understanding to the utility model, yet appended graphic only provide with reference to the usefulness of explanation, be not to be used for the utility model is limited.
Seeing also shown in Figure 1ly, is the elevation of a preferred embodiment of the utility model double-layer plate antidetonation block.The double-layer plate antidetonation block of the utility model preferred embodiment is that the two-layered steel plates antidetonation block by the space on the pier cap 4 of the corresponding bridge pier in the outstanding girder that is fixedly arranged on bridge superstructure 1 outside constitutes.Wherein said two-layered steel plates antidetonation block comprises: near the nexine block 2 and the outer block 3 that is positioned at nexine block 2 outsides at interval in girder 41 outsides, and parameters such as the size of the steel plate of formation nexine block 2 and outer block 3 and armor plate strength are in full accord.As shown in Figure 2, Fig. 2 is the sectional view along the I-I line among Fig. 1, and wherein the clear spacing L1 between nexine block 2 and the outer block 3 is 1~2.5 times of clear spacing L2 between the nexine block 2 and girder 1 outside.In addition, the nexine block 2 that is arranged in the utility model on each pier cap 4 also can be respectively to be made of a plurality of steel plates of arranging along the bridge y direction with outer block 3.
Double-layer plate antidetonation block of the present utility model is location simultaneously during carrying out pier cap 4 reinforcing bar bindings, to guarantee the position of pier cap 4 steel plate when the concreting.
See also Fig. 3 and shown in Figure 4, Fig. 3 is the elevation of another preferred embodiment of the utility model double-layer plate antidetonation block, and Fig. 4 is the sectional view along the II-II line among Fig. 3.Present embodiment is on the basis of embodiment in Fig. 1, the filler 5 that can be used for damping is being set between girder 1 and the nexine block 2 and between nexine block 2 and the outer block 3, so that energy dissipation capacity of the present utility model further obtains raising, thereby more strengthened the shock resistance of integral bridge.This filler 5 for example is junked tire, block rubber or steel spring etc.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art are not in breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (7)
1. double-layer plate antidetonation block is characterized in that the two-layered steel plates antidetonation block of the space on the pier cap of the corresponding bridge pier that it comprises the outstanding girder outside that is fixedly arranged on bridge superstructure.
2. double-layer plate antidetonation block according to claim 1, it is characterized in that wherein said two-layered steel plates antidetonation block by forming, and this nexine block and this skin block are size and the on all four steel plate of armor plate strength parameter near the nexine block in the girder outside and the outer block that is positioned at this nexine block outside at interval.
3. double-layer plate antidetonation block according to claim 2 is characterized in that the clear spacing between wherein said nexine block and this skin block is 1~2.5 times of clear spacing between outside this nexine block and this girder
4. double-layer plate antidetonation block according to claim 3 is characterized in that wherein said nexine block and this skin block are to locate with the reinforcing bar binding of this pier cap, and is fixedly arranged on this pier cap by concreting.
5. according to the described double-layer plate antidetonation of arbitrary claim block in the claim 1 to 4, it is characterized in that being provided with the filler that is used for damping between wherein said girder and this nexine block and between this nexine block and this skin block.
6. double-layer plate antidetonation block according to claim 5 is characterized in that wherein said filler is junked tire, block rubber or steel spring.
7. double-layer plate antidetonation block according to claim 2, the nexine block and the outer block that it is characterized in that wherein being arranged on each this pier cap are respectively to be made of a plurality of steel plates of arranging along the bridge y direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010206624627U CN201952722U (en) | 2010-12-16 | 2010-12-16 | Double-layer steel plate seismic block |
Applications Claiming Priority (1)
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CN2010206624627U CN201952722U (en) | 2010-12-16 | 2010-12-16 | Double-layer steel plate seismic block |
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CN201952722U true CN201952722U (en) | 2011-08-31 |
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CN2010206624627U Expired - Fee Related CN201952722U (en) | 2010-12-16 | 2010-12-16 | Double-layer steel plate seismic block |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105951583A (en) * | 2016-06-12 | 2016-09-21 | 西南交通大学 | Bridge anti-seismic stop block structure capable of achieving buffering, energy dissipation and collision resistance |
CN105970807A (en) * | 2016-06-15 | 2016-09-28 | 西南交通大学 | Bridge collision buffering anti-seismic structure |
CN107268423A (en) * | 2017-07-13 | 2017-10-20 | 中交公路养护工程技术有限公司 | One kind can reset bridge block |
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 |
CN109594466A (en) * | 2019-02-14 | 2019-04-09 | 重庆交通大学 | A kind of anti-fall beam construction that can effectively consume energy |
CN109853369A (en) * | 2018-12-31 | 2019-06-07 | 云南功东高速公路建设指挥部 | A kind of steel construction fixture block bridge anti-fall girder apparatus using displacement energy consumption |
CN114541244A (en) * | 2022-01-25 | 2022-05-27 | 河南大学 | Self-resetting anti-seismic stop block |
-
2010
- 2010-12-16 CN CN2010206624627U patent/CN201952722U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105951583A (en) * | 2016-06-12 | 2016-09-21 | 西南交通大学 | Bridge anti-seismic stop block structure capable of achieving buffering, energy dissipation and collision resistance |
CN105970807A (en) * | 2016-06-15 | 2016-09-28 | 西南交通大学 | Bridge collision buffering anti-seismic structure |
CN107268423A (en) * | 2017-07-13 | 2017-10-20 | 中交公路养护工程技术有限公司 | One kind can reset bridge block |
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 |
CN109853369A (en) * | 2018-12-31 | 2019-06-07 | 云南功东高速公路建设指挥部 | A kind of steel construction fixture block bridge anti-fall girder apparatus using displacement energy consumption |
CN109594466A (en) * | 2019-02-14 | 2019-04-09 | 重庆交通大学 | A kind of anti-fall beam construction that can effectively consume energy |
CN114541244A (en) * | 2022-01-25 | 2022-05-27 | 河南大学 | Self-resetting anti-seismic stop block |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20121216 |