CN102587274B - Expansion joint members, bridge expansion joint device and expansion joint device installing method - Google Patents
Expansion joint members, bridge expansion joint device and expansion joint device installing method Download PDFInfo
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- CN102587274B CN102587274B CN201210045794.4A CN201210045794A CN102587274B CN 102587274 B CN102587274 B CN 102587274B CN 201210045794 A CN201210045794 A CN 201210045794A CN 102587274 B CN102587274 B CN 102587274B
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- expansion joint
- shrinkage joint
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Abstract
The invention relates to a bridge expansion joint device. The bridge expansion joint device comprises two expansion joint members which are the same and are oppositely arranged in use; each expansion joint member comprises an expansion back, the outer side of which is connected with corresponding concrete; the inner side of the top part of the expansion back is connected with an edge beam extending inwards; the edge beam is internally provided with an installing groove for installing a rubber sealing belt; the two expansion joint members are integrally cast and molded; a connecting edge, which is formed by demolding of a communicating channel for communicating two corresponding forming mold cavities, is connected between the two expansion joint members; and the expansion back is of a vertical-wall structure with the wavy or sawteeth-shaped cross section. The bridge expansion joint device has the advantages that by use of the wavy or sawteeth-shaped expansion joint, the bonding force between the expansion joints and the concrete and the impact resistance of the expansion back are increased, and the service life of a bridge is guaranteed.
Description
Technical field
The present invention relates to bridge member, particularly relate to a kind of shrinkage joint component for bridge and expansion gap device and expansion gap device mounting method.
Background technology
Bridge expansion joint installation is that one is arranged on bridge, is especially arranged on the device on Longspan Bridge.It not only directly bears repeatedly rolling of wheel, and due to bridge floor discontinuous at this place, wheel must be caused its impact at this place, therefore be the most flimsy position in bridge construction.If this device is damaged, not only easily cause Vehicular vibration, impact driving comfort level and generation noise, affect the application life of vehicle, even affect bridge main body structure, as: produce road surface breakage and cause bridge concrete to be subject to rain erosion, and make the problems such as bridge pad corrosion, directly can affect the application life of bridge.
Existing bridge expansion joint installation is a kind of " bridge expansion joint installation " disclosed in Chinese patent CN2546490Y, bridge expansion joint installation and the shrinkage joint component that be in use oppositely arranged identical by two is formed, shrinkage joint component comprises the wall of outside for being connected with corresponding concrete, wall constitutes the flexible back of the body, flexible back of the body bottom outside is connected with outwardly directed supporting plate, flexible back of the body inside top is connected with the side bar inwardly stretched out, the flexible back of the body is plate wall structure for cross section, is provided with the mounting groove for installing corresponding rubber masking tape in side bar.During use, two shrinkage joint components are needed to be oppositely arranged, and in order to prevent the distortion causing two shrinkage joint components due to concrete setting distortion, this just requires first with corresponding frock clamp, two shrinkage joint components to be fixed into the pattern be oppositely arranged, then between two shrinkage joint components welded connections to make two shrinkage joint components relatively fixing, and then two shrinkage joint components are connected to the bridge floor junction needing to connect by concrete, after concrete setting, again connector is excised with cutting tool, this just causes whole bridge expansion joint installation using quite loaded down with trivial details in the process of installing and trouble, labour intensity and the cost of production of workman are higher.And due to the surface area of the flexible back of the body of plate wall structure less, cause the flexible back of the body with corresponding concrete in conjunction with time adhesion limited, after a period of time uses, the flexible back of the body of easy appearance departs from concrete, cause bridge concrete to be subject to rain erosion, directly can affect the application life of bridge; Also have because the flexible back of the body is plate wall structure, the each grinding pressure direction of wheel is all vertical with the flexible bearing of trend carried on the back, to such an extent as to each grinding pressure of wheel to the flexible back of the body can not get buffering and is maximum value, the own structural strength of adding the plate flexible back of the body is just weak, this will cause the flexible back of the body deformation can occur after a period of time impacts, the flexible back of the body after deformation and concrete depart from and come, and bridge concrete also can be caused to be subject to rain erosion, and then affect the application life of bridge.
Summary of the invention
The object of the present invention is to provide that a kind of structural strength is high, the impact force that effectively can cushion corresponding wheel and the shrinkage joint component larger with concrete adhesion.The present invention also aims to the bridge expansion joint installation providing a kind of above-mentioned shrinkage joint component to form.The present invention also aims to the mounting method that above-mentioned expansion gap device is provided.
In order to solve the problem, the technical scheme of the shrinkage joint component in the present invention is:
Shrinkage joint component, comprise the flexible back of the body of outside for being connected with corresponding concrete, flexible back of the body inside top is connected with the side bar extended internally, and be provided with the mounting groove for installing rubber seal tape in side bar, the described flexible back of the body is cross section is corrugated wall structure.
The cylindricality connecting portion that tile structure that multiple lateral surface is arc-shaped depression portion and the lateral surface be arranged between described adjacent two tile structures are arc convex drawn together by described flexible knapsack, and described each cylindrical connecting portion is not integrally connected with the recess opening's edge of adjacent two tile structures.
The middle part of described each tile structure is connected with and extends laterally and move up and down spacing junction plate for corresponding concrete match ratio to make described shrinkage joint component.
The middle part of described each cylindricality connecting portion is equipped with notch toward the outer side and for being connected to make described shrinkage joint component move up and down spacing occlusal crib with corresponding concrete.
Described shrinkage joint component also comprises the U-shaped dowel be connected with corresponding cylindricality connecting portion, and the two ends of described each U-shaped dowel are fixedly connected with the outer peripheral face of corresponding cylindricality connecting portion.
The technical scheme of Bridge expansion gap device blank of the present invention is:
Bridge expansion joint installation, comprise two identical and shrinkage joint components be oppositely arranged in use, described shrinkage joint component comprises the flexible back of the body of outside for being connected with corresponding concrete, flexible back of the body inside top is connected with the side bar extended internally, the mounting groove for installing rubber seal tape is provided with in side bar, two described shrinkage joint component integrally castings are shaping, be connected with between two described shrinkage joint components by the tie-beam of the communicating passage demoulding being communicated with corresponding two shaping mold cavities, the described flexible back of the body is cross section is corrugated wall structure.
The cylindricality connecting portion that tile structure that multiple lateral surface is arc-shaped depression portion and the lateral surface be arranged between described adjacent two tile structures are arc convex drawn together by described flexible knapsack, and described each cylindrical connecting portion is not integrally connected with the recess opening's edge of adjacent two tile structures.
The middle part of described each tile structure is connected with and extends laterally and move up and down spacing junction plate for corresponding concrete match ratio to make described shrinkage joint component.
Described two shrinkage joint components adopt ductile iron or cast steel integrally casting shaping.
In the present invention, the technical scheme of expansion gap device mounting method is:
Expansion gap device mounting method, comprise the following steps, the first step, bridge expansion joint installation is directly positioned the bridge floor place of corresponding two needs connections by concrete, it is shaping that bridge expansion joint installation comprises two integrally castings, and the shrinkage joint component be oppositely arranged in use, described shrinkage joint component comprises the flexible back of the body of outside for being connected with corresponding concrete, flexible back of the body inside top is connected with the side bar extended internally, the mounting groove for installing rubber seal tape is provided with in side bar, be connected with by the tie-beam of the communicating passage demoulding being communicated with corresponding two shaping mold cavities between two described shrinkage joint components, the described flexible back of the body is cross section is corrugated wall structure, second step, after corresponding concrete setting sizing, cuts away tie-beam, 3rd step, installs rubber seal tape in described mounting groove.
Beneficial effect of the present invention is: by using waveform or the zigzag flexible back of the body, add the flexible back of the body and corresponding concrete connection area, and then add shrinkage joint component and corresponding concrete adhesion, shrinkage joint component not easily departs from concrete, road surface can not be damaged, and corresponding bridge concrete can not be subject to rain erosion; Simultaneously waveform or zigzag are stretched the circumferential profile face of the back of the body and the equal out of plumb of each impact direction of corresponding wheel, the limited impact force reducing each wheel, add the stretch structural strength of the back of the body itself of waveform or zigzag also very high, the flexible back of the body still can not be out of shape after the impact long period, can not depart from concrete, road surface can not be broken, and then ensure that the application life of bridge.
Further, by the use of junction plate, not only increase the effect of concrete contact area and the flexible back structure intensity of raising, the concrete being positioned at junction plate upper and lower sides again by junction plate by fixed for whole shrinkage joint component, further ensure that shrinkage joint component and concrete can not depart from, ensure that the application life of bridge.
Further, two shrinkage joint component integrally castings are shaping, and serve by the tie-beam of the communicating passage demoulding being communicated with corresponding two shaping mold cavities the effect making two shrinkage joint component contrapositions, utilize the contraposition of corresponding shaping grinding tool, contraposition is accurate; And when installing expansion gap device blank, not needing to re-use frock clamp by a series of steps such as two shrinkage joint components, reducing labour intensity and the cost of production of workman.
Accompanying drawing explanation
Fig. 1 is the structural representation of shrinkage joint member embodiment in the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the upward view of Fig. 1;
Fig. 4 is the structural representation of Bridge expansion gap device embodiment of the present invention.
Fig. 5 is structural representation when tie-beam is cut in Fig. 4;
Fig. 6 is the upward view of Fig. 5;
Fig. 7 is the lateral view of Fig. 5.
Detailed description of the invention
The embodiment of bridge expansion joint installation is as shown in Fig. 1 ~ 7: comprise two identical and shrinkage joint components 1 be oppositely arranged in use, two shrinkage joint components 1 adopt ductile iron (or cast steel) one-step casting shaping when making, intensity is high, rigidity is large, corrosion resistant, and damping capacity is strong.Shrinkage joint component 1 comprises the flexible back of the body 9 of outside for being connected with corresponding concrete, the flexible back of the body 9 for cross section be corrugated wall structure.The flexible back of the body 9 inside top is connected with the side bar 7 extended internally, and is provided with the mounting groove 7-1 for installing corresponding rubber seal tape 8 in side bar 7.The flexible back of the body 9 comprises tile structure 2 that multiple lateral surface is arc-shaped depression portion 2-1 and to be arranged between adjacent two tile structures and lateral surface is the cylindricality connecting portion 3 of arc convex 3-1, and each cylindricality connecting portion 3 is connected with the recess opening's edge one of adjacent two tile structures 2 respectively.The middle part of each tile structure 2 is outwards integrally extended with and moves up and down spacing junction plate 4 for corresponding concrete match ratio to make shrinkage joint component 1, and the middle part of each cylindricality connecting portion 3 is equipped with notch outwardly and for being connected to make described shrinkage joint component 1 move up and down spacing occlusal crib 5 with corresponding concrete.Shrinkage joint component 1 also comprises the U-shaped dowel 6 connected with corresponding cylindricality connecting portion 3 one, and the two ends of each U-shaped dowel 6 connect with the outer peripheral face one of corresponding cylindricality connecting portion 3.In figure, part 10 is tie-beam, when it is by two shrinkage joint component 1 one-shot formings, forms for the communicating passage demoulding being communicated with corresponding two shaping mold cavities.
During use, by two shrinkage joint components 1 with tie-beam 10, be positioned at corresponding two by concrete and need the bridge floor place that connects, dowel 6 be embedded in concrete reinforcement welding in advance and be connected, after concrete setting is shaping, each tie-beam 10 is cut away, because two shrinkage joint components 1 are one-shot forming component, so just avoid in prior art the process needing two shrinkage joint components 1 to be installed to contraposition, simple to operate, contraposition is accurate, saves labor; Simultaneously this stretching device in the present invention, adopts sectional design, every section of 500mm-1000mm, can fine with the camber matching of same bridge floor road camber, effectively reduces the impact of wheel to bridge floor and road surface, ensure that the application life of stretching device and bridge.The design of segmented, can determine the length of each construction and installation easily, as pressed half range or divided lane construction and installation, can be open to traffic while construct, guaranteeing the unobstructed of road.Besides, sectional design, avoids the drawback of the destruction of the entirety that monolithic bridge extension joint progressively can bring because of the destruction of local, in maintenance, only need change the paragraph destroyed, greatly reduces maintenance cost; Meanwhile, each shrinkage joint component 1, by occlusal crib 5 and junction plate 4 and concrete double limitation, ensure that each shrinkage joint component 1 and concrete bond strength; While the Wave-shape extendible back of the body 9 itself has compared with high structural strength, junction plate 4 turn increases the structural strength of the flexible back of the body 9, makes the flexible back of the body 9 more be not easy distortion, can not depart from corresponding concrete, thus ensure that road surface can not be damaged, increase the application life of bridge; The outside of the flexible back of the body 9 is arcuate structure, the each impact of vehicle all can not with each tile structure 2 and cylindricality connecting portion 3 impact at a right angle, arcuate structure has effectively cushioned the impact of vehicle, while increase vibration damping, also improve the impact resistance of the flexible back of the body 9 itself, further ensure that the flexible back of the body 9 can not be out of shape.
In other embodiment of bridge expansion joint installation of the present invention: certain two shrinkage joint components also can be independently shaping; Cylindricality connecting portion also can be replaced by tile structure; The number of the junction plate that each tile structure is connected can also be two, three or more, each junction plate and the link position of corresponding tile structure can also be the top of tile structure or the bottom of tile structure, and each junction plate also can weld with corresponding tile structure and be connected; Occlusal crib on each cylindricality connecting portion also can not also be established; Dowel can also be fixed on corresponding cylindricality connecting portion by welding; The flexible back of the body can also be cross section is zigzag wall structure.
The embodiment of shrinkage joint component is as shown in Fig. 1 ~ 3: the shrinkage joint component 1 of concrete structure as described in above-mentioned bridge expansion joint installation embodiment of shrinkage joint component 1, is not described in detail in this.
The embodiment of expansion gap device mounting method: comprise the following steps, the first step, bridge expansion joint installation is directly positioned the bridge floor place of corresponding two needs connections by concrete, it is shaping that bridge expansion joint installation comprises two integrally castings, and the shrinkage joint component be oppositely arranged in use, described shrinkage joint component comprises the flexible back of the body of outside for being connected with corresponding concrete, flexible back of the body inside top is connected with the side bar extended internally, the mounting groove for installing rubber seal tape is provided with in side bar, be connected with by the tie-beam of the communicating passage demoulding being communicated with corresponding two shaping mold cavities between two described shrinkage joint components, the described flexible back of the body is cross section is corrugated wall structure, second step, after corresponding concrete setting sizing, cuts away tie-beam, 3rd step, installs rubber seal tape in described mounting groove.The material of the shrinkage joint component in expansion gap device mounting method embodiment is ductile iron (or cast steel).
By the positioning action of tie-beam to two shrinkage joint components, to eliminate two shrinkage joint Components installation in prior art on frock clamp and then use connector that two shrinkage joint components are connected this step, eliminate frock clamp, solve simultaneously and forbidden due to frock clamp location and cause the problem that two shrinkage joint component contrapositions are forbidden, reduce the labour intensity of cost of production and workman, also improve the installation effectiveness that shrinkage joint is installed.
Claims (5)
1. bridge expansion joint installation, comprise two identical and shrinkage joint components of being oppositely arranged of side bar in use, described shrinkage joint component comprises the flexible back of the body of outside for being connected with corresponding concrete, flexible back of the body inside top is connected with the side bar extended internally, the mounting groove for installing rubber seal tape is provided with in side bar, it is characterized in that: two described shrinkage joint component integrally castings are shaping, be connected with by the tie-beam of the communicating passage demoulding being communicated with corresponding two shaping mold cavities between two described shrinkage joint components, the described flexible back of the body is cross section is waveform or zigzag wall structure.
2. bridge expansion joint installation according to claim 1, it is characterized in that: the cylindricality connecting portion that tile structure that multiple lateral surface is arc-shaped depression portion and the lateral surface be arranged between described adjacent two tile structures are arc convex drawn together by described flexible knapsack, and described each cylindrical connecting portion is not integrally connected with the recess opening's edge of adjacent two tile structures.
3. a bridge expansion joint installation according to claim 2, is characterized in that: the middle part of described each tile structure is connected with and extends laterally and move up and down spacing junction plate for corresponding concrete match ratio to make described shrinkage joint component.
4. the bridge expansion joint installation according to claim 1 ~ 3 any one, is characterized in that: described two shrinkage joint components adopt ductile iron or cast steel integrally casting shaping.
5. expansion gap device blank mounting method, it is characterized in that: comprise the following steps, the first step, bridge expansion joint installation is directly positioned the bridge floor place of corresponding two needs connections by concrete, it is shaping that bridge expansion joint installation comprises two integrally castings, and the shrinkage joint component be oppositely arranged in use, described shrinkage joint component comprises the flexible back of the body of outside for being connected with corresponding concrete, flexible back of the body inside top is connected with the side bar extended internally, the mounting groove for installing rubber seal tape is provided with in side bar, be connected with by the tie-beam of the communicating passage demoulding being communicated with corresponding two shaping mold cavities between two described shrinkage joint components, the described flexible back of the body is cross section is waveform or zigzag wall structure, second step, after corresponding concrete setting sizing, cuts away tie-beam, 3rd step, installs rubber seal tape in described mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210045794.4A CN102587274B (en) | 2012-02-27 | 2012-02-27 | Expansion joint members, bridge expansion joint device and expansion joint device installing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210045794.4A CN102587274B (en) | 2012-02-27 | 2012-02-27 | Expansion joint members, bridge expansion joint device and expansion joint device installing method |
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| CN102587274A CN102587274A (en) | 2012-07-18 |
| CN102587274B true CN102587274B (en) | 2015-01-14 |
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| CN201210045794.4A Active CN102587274B (en) | 2012-02-27 | 2012-02-27 | Expansion joint members, bridge expansion joint device and expansion joint device installing method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012821B (en) * | 2016-07-13 | 2018-03-23 | 刘强 | Bridge extension joint and its telescopic adjustment component |
| CN112853955A (en) * | 2019-11-12 | 2021-05-28 | 南京毛勒工程材料有限公司 | Telescopic device capable of being installed rapidly |
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| CN101725109A (en) * | 2009-12-31 | 2010-06-09 | 武汉鑫拓力工程技术有限公司 | Dilatation joint of bridge |
| RU2010145216A (en) * | 2009-11-11 | 2012-05-20 | Маурер Зёне Инжиниринг Гмбх Энд Ко. Кг (De) | DEVICE FOR overlapping deformation seams, profile design and method for producing suture profiles |
| CN202482758U (en) * | 2012-02-27 | 2012-10-10 | 刘强 | Expansion joint structure and bridge expansion joint device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2085810U (en) * | 1989-10-13 | 1991-10-02 | 商德良 | Rubber expansion joint device for bridge |
| CN1464141A (en) * | 2002-06-19 | 2003-12-31 | 李永政 | Expansion joint regulator element and expansion joint regulator made therefrom |
| DE102005058087B4 (en) * | 2005-12-05 | 2007-09-20 | Migua Fugensysteme Gmbh & Co. Kg | Device for covering floor joints |
| DE202006002421U1 (en) * | 2006-02-15 | 2006-04-13 | Steelpat Gmbh & Co. Kg I.G. | Water proof device for bridging joints of buildings has joint on each side of which substructure is provided along with two edge elements whereby support profile is provided at respective contact surface of substructure or edge elements |
| CN2871631Y (en) * | 2006-03-02 | 2007-02-21 | 李西俊 | Parts of arc telescopic seam adjuster and arc telescopic seam adjuster |
| CN200967926Y (en) * | 2006-11-17 | 2007-10-31 | 魏新胜 | Special way bridge telescoping device for railway transport of passengers |
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| RU2010145216A (en) * | 2009-11-11 | 2012-05-20 | Маурер Зёне Инжиниринг Гмбх Энд Ко. Кг (De) | DEVICE FOR overlapping deformation seams, profile design and method for producing suture profiles |
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| CN102587274A (en) | 2012-07-18 |
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Inventor after: Liu Qiang Inventor after: Li Kaizhang Inventor after: Huang Minghai Inventor after: Guan Qingquan Inventor after: Wang Yiwen Inventor after: Yao Lingling Inventor after: Zhang Fuxi Inventor after: Cao Wei Inventor after: Wang Min Inventor after: Chen Meng Inventor after: Zhang Zhenhe Inventor after: Han Qifeng Inventor before: Liu Qiang Inventor before: Li Xiqing |
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Free format text: CORRECT: INVENTOR; FROM: LIU QIANG LI XIQING TO: LIU QIANG WANG YIWEN YAO LINGLING ZHANG FUXI CAO WEI WANG MIN CHEN MENG ZHANG ZHENHE HAN QIFENG LI KAIZHANG HUANG MINGHAI GUAN QINGQUAN |
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