CN218345942U - Traceless concrete bridge expansion joint structure - Google Patents
Traceless concrete bridge expansion joint structure Download PDFInfo
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- CN218345942U CN218345942U CN202221406045.5U CN202221406045U CN218345942U CN 218345942 U CN218345942 U CN 218345942U CN 202221406045 U CN202221406045 U CN 202221406045U CN 218345942 U CN218345942 U CN 218345942U
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Abstract
The application discloses no trace concrete bridge expansion joint structure, this no trace concrete bridge expansion joint structure includes: a left preformed groove and a right preformed groove; the left preformed groove and the right preformed groove are oppositely arranged and are respectively positioned at the left side and the right side of the expansion joint; rigid connecting pieces are arranged in the left preformed groove and the right preformed groove; and a steel fiber concrete pouring layer and an asphalt concrete pouring layer are sequentially arranged in the left preformed groove and the right preformed groove from bottom to top, and the asphalt concrete pouring layer is parallel and level to the asphalt layer of the bridge deck. This application has realized that colour and material that makes expansion joint department all are unanimous with bridge floor colour and material, reduce the sense of jolting, promote the technical effect of driving comfort level, have solved among the correlation technique expansion joint and bridge floor pavement and have obvious colour difference, and not pleasing to the eye enough to and pour the problem that the material is different and lead to expansion joint position vehicle to have obvious sense of jolting when driving over because of expansion joint position and bridge floor.
Description
Technical Field
The application relates to bridge expansion joint technical field particularly, relates to a no trace concrete bridge expansion joint structure.
Background
The expansion joint is a necessary composition structure of the bridge, and is generally arranged between two bridges of the bridge, a boundary pier column is arranged above the expansion joint, steel fiber concrete is poured on two sides of the expansion joint, and the bridge is made of asphalt concrete. Under the influence of external factors, the beam length can be freely adjusted in a telescopic manner through the expansion joint under the action of external temperature and environmental change, and stable and straight running of vehicles on the road surface is guaranteed. However, the expansion joint structure in the related art has the following disadvantages:
(1) Obvious color difference exists between the steel reinforced concrete and the asphalt concrete bridge deck pavement, and the pavement at the position of the expansion joint is not beautiful enough;
(2) The steel reinforced concrete is rigid, the asphalt concrete paved on the bridge deck is flexible, and the vehicle at the expansion joint has obvious bumping feeling when driving.
SUMMERY OF THE UTILITY MODEL
The main aim at of this application provides a no trace concrete bridge expansion joint structure to there is obvious colour difference in expansion joint and bridge deck pavement in solving the correlation technique, and not pleasing to the eye enough, and pour the problem that the material is different and lead to expansion joint position vehicle to have obvious sense of jolting when driving over because of expansion joint position and bridge deck.
In order to realize above-mentioned purpose, this application provides a no trace concrete bridge expansion joint structure, this no trace concrete bridge expansion joint structure includes: a left preformed groove and a right preformed groove; wherein the content of the first and second substances,
the left preformed groove and the right preformed groove are oppositely arranged and are respectively positioned at the left side and the right side of the expansion joint; rigid connecting pieces are arranged in the left preformed groove and the right preformed groove;
and a steel fiber concrete pouring layer and an asphalt concrete pouring layer are sequentially arranged in the left preformed groove and the right preformed groove from bottom to top, and the asphalt concrete pouring layer is parallel and level to the asphalt layer of the bridge deck.
Furthermore, the steel fiber concrete pouring layer is flush with the concrete leveling layer on the upper part of the beam body.
Further, the thickness of the asphalt concrete cast layer is 10cm.
Further, the rigid connecting piece comprises embedded steel bars, anchoring steel bars and connecting section steel which are arranged in the left preformed groove and the right preformed groove;
the embedded steel bars are arranged in an L shape, and two ends of the embedded steel bars are embedded into the bridge body;
the anchoring steel bars are fixed on the embedded steel bars; the connecting section steel is fixed at the upper end of the anchoring reinforcing steel bar.
Further, still include first waterstop and second waterstop, first waterstop with the second waterstop is located in the expansion joint and is distributed from last to lower in proper order.
Furthermore, the first end of first waterstop is fixed and is located on the connection shaped steel of left side preformed groove, and the second end is fixed and is located on the connection shaped steel of right side preformed groove.
Furthermore, the connecting section steel comprises a connecting main body and a connecting auxiliary body, and the connecting auxiliary body is fixedly connected with the connecting main body;
the connecting main body is vertically provided with a mounting groove, the lower end of the connecting auxiliary body is provided with an inserting part which can be inserted into the mounting groove, and a gap for fixing the end part of the first water stop is arranged between the inserting part and the mounting groove.
Furthermore, a fixing plate is fixed on the bottom surface of the left preformed groove and the bottom surface of the right preformed groove in a pre-embedded mode, and the first end and the second end of the second water stop are fixed on the corresponding fixing plates through bolts.
Furthermore, a positioning hole is formed in the fixing plate, and the lower end of the embedded steel bar penetrates through the positioning hole and then is embedded in the bridge beam body.
Further, the first water stop band and the second water stop band are both made of rubber.
In the embodiment of the application, a left preformed groove and a right preformed groove are arranged; the left preformed groove and the right preformed groove are oppositely arranged and are respectively positioned at the left side and the right side of the expansion joint; rigid connecting pieces are arranged in the left preformed groove and the right preformed groove; the utility model discloses a road surface expansion joint, including left side preformed groove, right preformed groove, steel fiber concrete placement layer and bituminous concrete placement layer, the bituminous concrete placement layer is with the pitch layer parallel and level of bridge floor from supreme steel fiber concrete placement layer and the bituminous concrete placement layer of having set gradually down in the right preformed groove, the purpose that the topmost pouring structure that has reached to make left preformed groove and right preformed groove is the same with bridge floor pavement's pitch layer structure to the colour and the material that have realized making expansion joint department all are unanimous with bridge floor colour and material, reduce the sense of jolting, promote the technical effect of driving comfort, and then solved in the correlation technique expansion joint and bridge floor pavement and have obvious colour difference, it is not pleasing to the eye enough, and because of expansion joint position and bridge floor pour the different problem that has obvious sense of jolting when leading to expansion joint position vehicle to drive.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
FIG. 1 is a schematic illustration of an explosive structure according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram according to an embodiment of the present application;
wherein, 1 roof beam body, 2 concrete leveling layer, 3 right preformed groove, 4 bituminous concrete pouring layers, 5 connection shaped steel, 51 connection auxiliary body, 52 grafting portion, 53 joint body, 54 mounting grooves, 6 first waterstop, 7 anchor reinforcing bars, 8 embedded steel bars, 9 left preformed grooves, 10 fixed plates, 11 second waterstop, 12 steel fibre concrete pouring layers.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used.
In this application, the terms "upper", "lower", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as the case may be.
Furthermore, the terms "disposed," "provided," "connected," "secured," and the like are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to fig. 2, the embodiment of the present application provides a traceless concrete bridge expansion joint structure, which includes: a left preformed groove 9 and a right preformed groove 3; wherein the content of the first and second substances,
the left preformed groove 9 and the right preformed groove 3 are oppositely arranged and are respectively positioned at the left side and the right side of the expansion joint; rigid connecting pieces are arranged in the left preformed groove 9 and the right preformed groove 3;
steel fiber concrete pouring layer 12 and asphalt concrete pouring layer 4 are sequentially arranged from bottom to top in left preformed groove 9 and right preformed groove 3, and asphalt concrete pouring layer 4 is parallel and level with the asphalt layer of bridge floor.
In this embodiment, left preformed groove 9 is the same with right preformed groove 3's structure, is the structure of reserving when the bridge is being pour. Left side preformed groove 9 and right preformed groove 3 are located the left and right sides at the expansion joint and are the symmetric distribution, rigid connection spare is for predetermineeing the rigid connection structure in left preformed groove 9 and right preformed groove 3, finish and the rigid connection spare installation back at the construction of the rest of bridge, can pour concrete structure in left preformed groove 9 and right preformed groove 3, all pour steel fibre concrete in left preformed groove 9 and right preformed groove 3 among the correlation technique, lead to its top surface structure and bridge floor structure to have great difference, including the difference in color and the structure, lead to expansion joint position and bridge floor to have the colour difference, and the problem of jolting when the vehicle goes.
Therefore, in this embodiment, the steel fiber concrete with a certain height is poured in the left preformed groove 9 and the right preformed groove 3, so that a certain height difference, specifically, a height difference of 10cm, is formed between the top surface of the formed steel fiber concrete pouring layer 12 and the bridge deck. And then pouring the asphalt concrete pouring layer 4 on the top surface of the steel fiber concrete pouring layer 12, so that the top surface of the asphalt concrete pouring layer 4 is flush with the bridge deck. Because the bridge deck is also an asphalt layer, the pouring material at the position of the expansion joint is the same as the material of the bridge deck. The color and the material that have realized making expansion joint department all are unanimous with bridge floor color and material, reduce the sense of jolting, promote the technological effect of driving comfort level, and then solved among the correlation technique expansion joint and bridge deck pavement and have obvious colour difference, it is not pleasing to the eye enough to and pour the problem that the material is different and lead to expansion joint position vehicle to drive the sense of obviously jolting when crossing because of expansion joint position and bridge floor.
As shown in fig. 1 to 2, the steel fiber concrete cast layer 12 is flush with the concrete leveling layer 2 on the upper portion of the girder 1. The thickness of the asphalt concrete cast layer 4 was 10cm.
As shown in fig. 1 to 2, the rigid connecting member includes embedded steel bars 8, anchoring steel bars 7 and connecting section steel 5 which are arranged in a left preformed groove 9 and a right preformed groove 3;
the embedded steel bars 8 are arranged in an L shape, and two ends of the embedded steel bars are embedded into the bridge body 1;
the anchoring steel bars 7 are fixed on the embedded steel bars 8; the connecting section steel 5 is fixed at the upper end of the anchoring reinforcing steel bar 7.
Specifically, it should be noted that, embedded steel bar 8, anchor reinforcing bar 7 and connection shaped steel 5 are the steel bar structure in left preformed groove 9 and the right preformed groove 3, and embedded steel bar 8's horizontal end then extends into within the diapire that corresponds the preformed groove in extending into the vertical lateral wall that corresponds the preformed groove, vertical end.
As shown in fig. 1 to fig. 2, the expansion joint further comprises a first water stop 6 and a second water stop 11, and the first water stop 6 and the second water stop 11 are arranged in the expansion joint and distributed in sequence from top to bottom.
Specifically, it should be noted that the expansion joint is doubly sealed by arranging the first water stop 6 and the second water stop 11, so that the waterproof performance is improved.
As shown in fig. 1 to 2, the first water stop 6 is fixed at a first end thereof to the connecting section steel 5 located in the left preformed groove 9, and at a second end thereof to the connecting section steel 5 located in the right preformed groove 3.
The connecting section steel 5 comprises a connecting main body 53 and a connecting auxiliary body 51, and the connecting auxiliary body 51 is fixedly connected with the connecting main body 53;
the upper edge of the main connecting body 53 is vertically provided with an installation groove 54, the lower end of the auxiliary connecting body 51 is provided with an insertion part 52 which can be inserted into the installation groove 54, and a gap for fixing the end part of the first water stop 6 is arranged between the insertion part 52 and the installation groove 54.
Specifically, the end of the first water stop 6 is bent downward and inserted into the mounting groove 54, and then the auxiliary connecting body 51 is mounted on the main connecting body 53, and the inserting portion 52 at the lower end of the auxiliary connecting body 51 is also inserted into the mounting groove 54, so that the end of the first water stop 6 is wedged and fixed, and the inserting portion 52 may be configured as an inverted trapezoidal structure. The connection sub-body 51 and the connection main body 53 may be fixedly connected by bolts.
As shown in fig. 1 to 2, fixing plates 10 are pre-buried and fixed on the bottom surfaces of the left and right preformed grooves 9 and 3, and the first end and the second end of the second water stop band 11 are fixed on the corresponding fixing plates 10 through bolts.
Specifically, it should be noted that the second water stop 11 is fixed on the fixing plate 10, and the fixing plate 10 is fixed in the corresponding left preformed groove 9 and right preformed groove 3. The fixed plate 10 is provided with a positioning hole, and the lower end of the embedded steel bar 8 penetrates through the positioning hole and then is embedded in the bridge beam body 1, so that the connection strength of the fixed plate 10 and the corresponding left preformed groove 9 and right preformed groove 3 is improved.
As shown in fig. 1 to 2, the first water stop 6 and the second water stop 11 are made of rubber.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a no trace concrete bridge expansion joint structure which characterized in that includes: a left preformed groove and a right preformed groove; wherein, the first and the second end of the pipe are connected with each other,
the left preformed groove and the right preformed groove are oppositely arranged and are respectively positioned at the left side and the right side of the expansion joint; rigid connecting pieces are arranged in the left preformed groove and the right preformed groove;
and a steel fiber concrete pouring layer and an asphalt concrete pouring layer are sequentially arranged in the left preformed groove and the right preformed groove from bottom to top, and the asphalt concrete pouring layer is parallel and level to the asphalt layer of the bridge deck.
2. The traceless concrete bridge expansion joint structure of claim 1, wherein the steel fiber concrete poured layer is flush with the concrete leveling layer on the upper part of the beam body.
3. The traceless concrete bridge expansion joint structure of claim 2, wherein the thickness of the asphalt concrete poured layer is 10cm.
4. The traceless concrete bridge expansion joint structure of any one of claims 1 to 3, wherein the rigid connecting piece comprises embedded steel bars, anchoring steel bars and connecting section steel which are arranged in the left preformed groove and the right preformed groove;
the embedded steel bars are arranged in an L shape, and two ends of the embedded steel bars are embedded into the bridge body;
the anchoring steel bars are fixed on the embedded steel bars; the connecting section steel is fixed at the upper end of the anchoring reinforcing steel bar.
5. The traceless concrete bridge expansion joint structure of claim 4, further comprising a first water stop and a second water stop, wherein the first water stop and the second water stop are arranged in the expansion joint and are sequentially distributed from top to bottom.
6. The traceless concrete bridge expansion joint structure of claim 5, wherein a first end of the first water stop is fixed on the connecting section steel positioned in the left preformed groove, and a second end of the first water stop is fixed on the connecting section steel positioned in the right preformed groove.
7. The traceless concrete bridge expansion joint structure of claim 6, wherein the connecting section steel comprises a connecting main body and a connecting auxiliary body, and the connecting auxiliary body is fixedly connected with the connecting main body;
the connecting main body is vertically provided with a mounting groove, the lower end of the connecting auxiliary body is provided with an inserting part which can be inserted into the mounting groove, and a gap for fixing the end part of the first water stop is arranged between the inserting part and the mounting groove.
8. The traceless concrete bridge expansion joint structure of claim 7, wherein a fixing plate is pre-buried and fixed on the bottom surfaces of the left preformed groove and the right preformed groove, and a first end and a second end of the second water stop are fixed on the corresponding fixing plates through bolts.
9. The traceless concrete bridge expansion joint structure of claim 8, wherein a positioning hole is formed in the fixing plate, and the lower end of the embedded steel bar penetrates through the positioning hole and then is embedded in the bridge body.
10. The traceless concrete bridge expansion joint structure of claim 9, wherein the first water stop and the second water stop are both made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221406045.5U CN218345942U (en) | 2022-06-07 | 2022-06-07 | Traceless concrete bridge expansion joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221406045.5U CN218345942U (en) | 2022-06-07 | 2022-06-07 | Traceless concrete bridge expansion joint structure |
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| Publication Number | Publication Date |
|---|---|
| CN218345942U true CN218345942U (en) | 2023-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221406045.5U Active CN218345942U (en) | 2022-06-07 | 2022-06-07 | Traceless concrete bridge expansion joint structure |
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| CN (1) | CN218345942U (en) |
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- 2022-06-07 CN CN202221406045.5U patent/CN218345942U/en active Active
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