CN104818669A - Slipping type seamless telescopic device - Google Patents
Slipping type seamless telescopic device Download PDFInfo
- Publication number
- CN104818669A CN104818669A CN201510238186.9A CN201510238186A CN104818669A CN 104818669 A CN104818669 A CN 104818669A CN 201510238186 A CN201510238186 A CN 201510238186A CN 104818669 A CN104818669 A CN 104818669A
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- Prior art keywords
- plate
- comb plate
- seam
- girder
- comb
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
Abstract
The invention discloses a slipping type seamless telescopic device. A telescopic seam is arranged between main beams, upper surfaces of the main beams are provided with comb plates, and the comb plate arranged at the upper part of the telescopic seam is a trans-seam comb plate, and a fixing comb plate is connected with the trans-seam comb plate; a top paving layer is arranged at the upper part of the trans-seam comb plate, and both sides of the top paving layer are respectively provided with elastomer prefabricating blocks; left and right sides of the elastomer prefabricating blocks are respectively arranged with bituminous concrete paving layers. The slipping type seamless telescopic device and a bridge face paving layer can be formed to be a continuous body, so as to guarantee stable and comfortable driving; the driving noise is small and waterproof performance is good, and the slipping type seamless telescopic device is convenient to clean and remove snow, and other maintaining works; the structural design is more reasonable, and construction is convenient; the comb plates are respectively arranged beneath the paving layer and above the main beam, and can be fixedly moved; and thereby, the problem of empty lower part of the tooth end of the comb plate is effectively solved, and the shortcoming that the traditional seamless telescopic device is easy to crack is overcame.
Description
Technical field
The present invention relates to a kind of bridge expansion joint structure, particularly a kind of sliding elastomer telescoping device adapting to bridge stretching motion.
Background technology
Bridge extension joint is as the main member of bridge construction middle rolling car security performance, its Main Function be meet the temperature difference, bridge that wind-force, the condition such as vehicle-mounted cause longitudinally, level is to the needs of, vertical deflection and the displacement of earthquake increment, ensure the safety of bridge construction, smooth, comfortable bridge (road) face environment is provided, allow vehicle fast, smoothly through beam-ends stretching device district.
Comb-type telescoping device is that China Partial province uses relatively many a kind of stretching devices at present, from result of use, there is following problem in comb-type telescoping device: come to nothing in long tooth plate increment bottom, concrete is not full, long tooth plate cantilever force, long tooth plate and corrosion resistant plate fragile; Bolt strength is inadequate, and bolt produces fatigue failure; Waterproof measure is not enough, easily causes serious steel plate corrosion; The comb of the long tooth plate of the board-like stretching device of comb sticks up tooth or deficient phenomena, when beam body generation vertical corner, pier occur heavy will time produce vertical deformation and all can produce and stick up tooth or deficient phenomena.
Seamless expansion-contraction devices is only applicable to the bridge of thin tail sheep amount, and from the main material forming stretching device, this stretching device is also called elastic body stretching device.The major part of this stretching device is the compound of binding material and building stones, and this compound is supporting part, plays Main Function again as displacement piece and seal.Advantages such as it is short that expansion joints without seals has curing time, and noise is little, and road-ability is good, but this device in use easily cracks, crackle is generally distributed in the corresponding end face in transverse joint plate center or two ends.
Because the defect that above-mentioned existing bridge extension joint exists, the present inventor is based on being engaged in the practical experience and professional knowledge that this type of product design manufacture enriches for many years, and coordinate the utilization of scientific principle, actively in addition research and innovation, to founding a kind of Novel slippage formula seamless expansion-contraction devices, it is made to have more practicality.Through constantly research, design, and through repeatedly studying sample and after improving, finally creating the present invention had practical value.
Summary of the invention
Main purpose of the present invention is, overcomes the defect that existing bridge extension joint exists, and provides a kind of Novel slippage formula seamless expansion-contraction devices, avoid warpage and crack problem, thus be more suitable for practicality, and have the value in industry.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to the sliding seamless expansion-contraction devices that the present invention proposes, include girder, fixing steel nail, cavernous body, comb plate, pave-load layer and elastic body prefabricated section,
Shrinkage joint is provided with between described girder, described girder upper surface is provided with comb plate, described comb plate includes across seam comb plate and fixed fingers plate, and the comb plate being arranged on top, shrinkage joint for across seam comb plate, is fixed fingers plate with described across what stitch that comb plate is connected;
Described pave-load layer includes top layer pave-load layer and asphalt concrete pavement layer, described top layer pave-load layer is arranged on described across seam comb plate top, be respectively arranged with elastic body prefabricated section in the both sides of described top layer pave-load layer, the described elastic body prefabricated section left and right sides is respectively arranged with asphalt concrete pavement layer;
Cavernous body is provided with, being fixedly connected with described cavernous body by fixing steel nail across seam comb plate of top, described shrinkage joint in shrinkage joint between described girder.
Further, aforesaid sliding seamless expansion-contraction devices, the Embedded upper surface being arranged on described girder of described comb plate.
Further, aforesaid sliding seamless expansion-contraction devices, is provided with slide plate between described fixed fingers plate and girder, and described slide plate is connected with girder with described fixed fingers plate by set bolt.
Further, aforesaid sliding seamless expansion-contraction devices, the upper surface of described fixed fingers plate is pasted with partition cloth, and described partition cloth, fixed fingers plate are connected with girder with described elastic body prefabricated section by set bolt with slide plate.
Further, aforesaid sliding seamless expansion-contraction devices, described elastic body prefabricated section is TST Stone crushing bomb gonosome prefabricated section.TST Stone crushing bomb gonosome prefabricated section is the mixture of TST binding material and metaling, forms by precasting yard unification is prefabricated.TST binding material is made up of multiple high-molecular polymer asphalt; Rubble adopts selected limestone, and particle size range is that 20 ~ 40mm, below 13mm particle size content is less than 5%, and flat and elongated building stones content is less than 15% ~ 20%.
Further, aforesaid sliding seamless expansion-contraction devices, described top layer pave-load layer with between elastic body prefabricated section and elastic body prefabricated section be fixedly connected with all adopting adhesive between asphalt concrete pavement layer.
Further, aforesaid sliding seamless expansion-contraction devices, described slide plate is stainless steel slide plate.
Further, aforesaid sliding seamless expansion-contraction devices, described partition cloth is cloth.
Further, aforesaid sliding seamless expansion-contraction devices, the described thickness across seam comb plate is 5mm ~ 20mm.
Further, aforesaid sliding seamless expansion-contraction devices, the width of described top layer pave-load layer is identical with the elastic body prefabricated section width of both sides.
By technique scheme, sliding seamless expansion-contraction devices of the present invention at least has following advantages:
Sliding seamless expansion-contraction devices of the present invention and bridge deck pavement can form non-individual body, and ensure that driving is steadily comfortable, driving noise is little, and water proofing property is excellent, are convenient to cleaning snow removing and wait upkeep operation; Structure design is more reasonable, easy construction, and comb plate is positioned on below pave-load layer, girder, can movement flexibly, effectively solves the problem come to nothing in comb plate increment bottom; Slide plate is in the environment comparatively sealed, and can alleviate the Damage of Corroded of slide plate; TST Stone crushing bomb gonosome prefabricated section can absorb the vertical corner displacement that beam body produces, and alleviate warpage and the deficient phenomena of comb, even if comb warpage and disappearance, TST Stone crushing bomb gonosome prefabricated section also can play a protective role to vehicle, and security performance is guaranteed; TST Stone crushing bomb gonosome prefabricated section is positioned at the both sides at shrinkage joint, decreases the stroke that single TST Stone crushing bomb gonosome prefabricated section bears, reduces the working strength of TST Stone crushing bomb gonosome prefabricated section; The comb plate of both sides, shrinkage joint and the collaborative work when beam body stretches of TST elastic body, stainless steel slide plate and cloth make comb plate can smooth and easy movement in the horizontal direction.When comb plate slides, TST elastic body also correspondingly stretches and shrinks, and simultaneously as supportive body, load is passed to steel plate and girder.Top, shrinkage joint shrinkage joint top layer pave-load layer replaces TST Stone crushing bomb gonosome prefabricated section, and the problem in crack appears in the elastic body solving traditional expansion joints without seals at transverse joint plate center correspondence end face; The cloth covered on comb plate separates comb plate and TST Stone crushing bomb gonosome prefabricated section, improves the stressing conditions of TST Stone crushing bomb gonosome prefabricated section at comb position, plays the effect of dispersion external crack.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of manual, be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is the sliding seamless expansion-contraction devices structural representation of the present invention;
Fig. 2 is the sliding seamless expansion-contraction devices top view of the present invention;
Connotation is marked: 1. top layer pave-load layer in figure; 2. elastic body prefabricated section; 3. asphalt concrete pavement layer; 4. fixed fingers plate; 5. set bolt; 6. partition cloth; 7. slide plate; 8. fixing steel nail; 9. cavernous body; 10. across seam comb plate; 11. girders; 12. adhesives.
Detailed description of the invention
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, to its detailed description of the invention of sliding seamless expansion-contraction devices proposed according to the present invention, feature and effect thereof, be described in detail as follows.
Embodiment 1
Of the present invention sliding seamless expansion-contraction devices as shown in Figure 1, 2, include top layer pave-load layer 1, elastic body prefabricated section 2, asphalt concrete pavement layer 3, fixed fingers plate 4, set bolt 5, partition cloth 6, slide plate 7, fixing steel nail 8, cavernous body 9, across seam comb plate 10 and adhesive 12, above-mentioned parts are all arranged on the periphery of girder 11.
Shrinkage joint is provided with between girder 11, the upper surface of its middle girder 11 is provided with comb plate, the Embedded upper surface being arranged on girder 11 of comb plate, comb plate includes again across seam comb plate 10 and fixed fingers plate 4 two parts, the comb plate being arranged on top, shrinkage joint is across seam comb plate 10, with be fixed fingers plate 4 across what stitch that comb plate 10 is connected, fixed fingers plate 4 is arranged on the left and right sides across seam comb plate 10.
Pave-load layer includes again top layer pave-load layer 1 and asphalt concrete pavement layer 3, wherein top layer pave-load layer 1 is arranged on across seam comb plate 10 top, elastic body prefabricated section 2 is respectively arranged with in the both sides of top layer pave-load layer 1, elastic body prefabricated section 2 is TST Stone crushing bomb gonosome prefabricated section, is respectively arranged with again asphalt concrete pavement layer 3 in the left and right sides of elastic body prefabricated section 2; The width of top layer pave-load layer 1 accounts for 1/3rd of whole width of rebate, and the width of top layer pave-load layer 1 is identical with elastic body prefabricated section 2 width of both sides.
Cavernous body 9 is provided with in shrinkage joint between girder 11, being fixedly connected with cavernous body 9 by fixing steel nail 8 across seam comb plate 10 of top, shrinkage joint, play the effect that support telescopic sews on portion's top layer pave-load layer 1, the quantity of fixing steel nail 8 is determined according to the length of device, is about and arranges a fixing steel nail 8 every 200mm.
Between fixed fingers plate 4 and girder 11, be provided with slide plate 7, slide plate 7 is stainless steel slide plate, and slide plate 7 is connected with girder 11 with elastic body prefabricated section 2 by set bolt 5.The upper surface of fixed fingers plate 4 is pasted with partition cloth 6, and partition cloth 6 is cloth, and partition cloth 6, fixed fingers plate 4 are connected with girder 11 with fixed fingers plate 4 by set bolt 5 with slide plate 7.Adhesive 12 is all adopted to be fixedly connected with between top layer pave-load layer 1 with elastic body prefabricated section 2 and between elastic body prefabricated section 2 with asphalt concrete pavement layer 3.Thickness across seam comb plate 10 is 5mm ~ 20mm, is preferably 8mm.
In the present invention, the fixed fingers plate of both sides, shrinkage joint 4 and elastic body prefabricated section 2 collaborative work when beam body stretches, stainless steel slide plate 7 and partition cloth 6 make fixed fingers plate 4 can smooth and easy movement in the horizontal direction.When fixed fingers plate 4 slides, elastic body prefabricated section 2 also correspondingly stretches and shrinks, and simultaneously as supportive body, load is passed to steel plate and girder 11.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (4)
1. a sliding seamless expansion-contraction devices, is characterized in that: include girder (11), fixing steel nail (8), cavernous body (9), comb plate, pave-load layer and elastic body prefabricated section (2),
Described girder is provided with shrinkage joint between (11), described girder (11) upper surface is provided with comb plate, described comb plate includes across seam comb plate (10) and fixed fingers plate (4), the comb plate being arranged on top, shrinkage joint for across seam comb plate (10), is fixed fingers plate (4) with described across what stitch that comb plate (10) is connected;
Described pave-load layer includes top layer pave-load layer (1) and asphalt concrete pavement layer (3), described top layer pave-load layer (1) is arranged on described across seam comb plate (10) top, be respectively arranged with elastic body prefabricated section (2) in the both sides of described top layer pave-load layer (1), described elastic body prefabricated section (2) left and right sides is respectively arranged with asphalt concrete pavement layer (3);
Cavernous body (9) is provided with, being fixedly connected with described cavernous body (9) by fixing steel nail (8) across seam comb plate (10) of top, described shrinkage joint in shrinkage joint between described girder (11).
2. sliding seamless expansion-contraction devices according to claim 1, is characterized in that: the Embedded upper surface being arranged on described girder (11) of described comb plate, and its top is filled out and established elastic body prefabricated section.
3. sliding seamless expansion-contraction devices according to claim 1, it is characterized in that: between described fixed fingers plate (4) and girder (11), be provided with slide plate (7), described slide plate (7) is connected with girder (11) with described fixed fingers plate (4) by set bolt (5).
4. sliding seamless expansion-contraction devices according to claim 3, it is characterized in that: the upper surface of described fixed fingers plate (4) is pasted with partition cloth (6), described partition cloth (6), fixed fingers plate (4) are connected with girder (11) with described elastic body prefabricated section (2) by set bolt (5) with slide plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510238186.9A CN104818669A (en) | 2015-05-11 | 2015-05-11 | Slipping type seamless telescopic device |
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| CN201510238186.9A CN104818669A (en) | 2015-05-11 | 2015-05-11 | Slipping type seamless telescopic device |
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| CN201510238186.9A Pending CN104818669A (en) | 2015-05-11 | 2015-05-11 | Slipping type seamless telescopic device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484151A (en) * | 2015-12-04 | 2016-04-13 | 郑州大学 | Structure for enhancing connection among prefabricated concrete segments and construction method thereof |
| CN106638289A (en) * | 2016-10-26 | 2017-05-10 | 上海市政工程设计研究总院（集团）有限公司 | Steel bridge deck expansion joint concrete paving structure and construction method thereof |
| CN107119556A (en) * | 2017-06-10 | 2017-09-01 | 郑州市市政维护工程有限公司 | A kind of multi-functional bridge seamless expansion-contraction devices and construction technology |
| CN108824184A (en) * | 2018-08-21 | 2018-11-16 | 长沙理工大学 | Height-adjustable UHPC bridge extension joint |
| CN109098082A (en) * | 2018-10-19 | 2018-12-28 | 佛山科学技术学院 | A kind of novel bridge building expanded joint structure |
| CN109826093A (en) * | 2019-02-20 | 2019-05-31 | 唐峰 | A kind of bituminous concrete seamless expansion-contraction devices and its construction method |
| CN109853377A (en) * | 2019-03-28 | 2019-06-07 | 福州大学 | Using the continuously coupled structure of the bridge floor of ultra-high performance concrete and its construction method |
| CN110080097A (en) * | 2018-12-14 | 2019-08-02 | 中国建筑第二工程局有限公司 | A kind of bridge expansion joint structure |
| CN111719421A (en) * | 2020-07-23 | 2020-09-29 | 福州大学 | Flexible and semi-flexible modulus combined seamless expansion joint and construction method |
| CN112195769A (en) * | 2020-09-01 | 2021-01-08 | 南京交通职业技术学院 | Construction method for no height difference of asphalt surface layer at bridge expansion joint |
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| CN204608599U (en) * | 2015-05-11 | 2015-09-02 | 苏交科集团股份有限公司 | The sliding seamless expansion-contraction devices of comb |
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| JP2004316170A (en) * | 2003-04-14 | 2004-11-11 | Nippon Steel Corp | Expansive coupling device for bridge |
| JP2007321334A (en) * | 2006-05-30 | 2007-12-13 | Yokohama Rubber Co Ltd:The | Road bridge expansion device |
| CN101985846A (en) * | 2010-11-14 | 2011-03-16 | 西安达盛隔震技术有限公司 | Elastoplastic device for expansion joints in buildings and road engineering |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484151A (en) * | 2015-12-04 | 2016-04-13 | 郑州大学 | Structure for enhancing connection among prefabricated concrete segments and construction method thereof |
| CN106638289A (en) * | 2016-10-26 | 2017-05-10 | 上海市政工程设计研究总院（集团）有限公司 | Steel bridge deck expansion joint concrete paving structure and construction method thereof |
| CN107119556A (en) * | 2017-06-10 | 2017-09-01 | 郑州市市政维护工程有限公司 | A kind of multi-functional bridge seamless expansion-contraction devices and construction technology |
| CN108824184A (en) * | 2018-08-21 | 2018-11-16 | 长沙理工大学 | Height-adjustable UHPC bridge extension joint |
| CN109098082A (en) * | 2018-10-19 | 2018-12-28 | 佛山科学技术学院 | A kind of novel bridge building expanded joint structure |
| CN110080097A (en) * | 2018-12-14 | 2019-08-02 | 中国建筑第二工程局有限公司 | A kind of bridge expansion joint structure |
| CN109826093A (en) * | 2019-02-20 | 2019-05-31 | 唐峰 | A kind of bituminous concrete seamless expansion-contraction devices and its construction method |
| CN109826093B (en) * | 2019-02-20 | 2021-05-07 | 唐峰 | Asphalt concrete seamless expansion device and construction method thereof |
| CN109853377A (en) * | 2019-03-28 | 2019-06-07 | 福州大学 | Using the continuously coupled structure of the bridge floor of ultra-high performance concrete and its construction method |
| CN109853377B (en) * | 2019-03-28 | 2024-03-22 | 福州大学 | Bridge deck continuous connection structure adopting ultra-high performance concrete and construction method thereof |
| CN111719421A (en) * | 2020-07-23 | 2020-09-29 | 福州大学 | Flexible and semi-flexible modulus combined seamless expansion joint and construction method |
| CN112195769A (en) * | 2020-09-01 | 2021-01-08 | 南京交通职业技术学院 | Construction method for no height difference of asphalt surface layer at bridge expansion joint |
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Inventor after: Zhang Jiandong Inventor after: Jiang Liusheng Inventor after: Man Xiaowei Inventor after: Yuan Liang Inventor after: Wu Jianping Inventor after: Liu Duo Inventor after: Wang Feng Inventor after: Tong Hao Inventor before: Zhang Jiandong Inventor before: Man Xiaowei Inventor before: Yuan Liang Inventor before: Liu Duo Inventor before: Wang Feng Inventor before: Tong Hao Inventor before: Wu Jianping |
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Application publication date: 20150805 |