CN205276128U - Bridge deck pavement leveling layer structure - Google Patents
Bridge deck pavement leveling layer structure Download PDFInfo
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- CN205276128U CN205276128U CN201520644768.2U CN201520644768U CN205276128U CN 205276128 U CN205276128 U CN 205276128U CN 201520644768 U CN201520644768 U CN 201520644768U CN 205276128 U CN205276128 U CN 205276128U
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Abstract
The utility model discloses a bridge deck pavement leveling layer structure, a bridge deck pavement leveling layer structure contains first scope thickness leveling layer, second scope thickness leveling layer and third scope thickness leveling layer, simultaneously set up light ceramsite concrete at first scope thickness leveling in situ, second scope thickness leveling in situ sets up light ceramsite concrete and top mat, and third scope thickness leveling in situ sets up light ceramsite concrete, top mat, lower floor's reinforcing bar net, vertical reinforcement and seamless steel pipe. The utility model discloses not only can satisfy the requirement that bridge jacking rear axle upper thread shape was reformed transform, and the extra load that the bridge increases that can significantly reduce to satisfy intensity, the rigidity requirement of bridge floor driving. The utility model discloses in the aspect of effectively increasing bridge jacking transformation technical application space, extension bridge life, played important effect, fine economic benefits, environmental benefit and social have, be worth promoting and using.
Description
Technical field
This utility model relates to bridge floor road pavement technique, is specifically related to a kind of deck paving leveling layer structure.
Background technology
Owing to underpass road grade or the raising of navigation channel standard, the adjustment of Urban Traffic Planning, bridge deformation and sinking cause a series of reasons such as under-clearance is not enough, traffic can be formed and hinder by existing bridge. As above-mentioned bridging toughening is rebuild, it would be desirable to substantial contribution, and environment is impacted. As used bridge jacking renovation technique, by its Modification and reutilization, then there is significant economic benefit, environmental benefit and social benefit.
But, the lifting reconstruction of existing bridge, particularly supertronic rotates jacking, and the restriction linear owing to being subject to bridge structure, after jacking completes, Pavement linear cannot meet instructions for use, require over and set up leveling layer and adjust, the especially lifting reconstruction of continuous beam, its leveling layer thickness may reach more than 50cm, understand the additional duty bigger to bridge structure increase, affect the safety of bridge structure. In sum, a kind of novel deck paving leveling layer of proposition is needed badly.
Utility model content
The purpose of this utility model is in that to provide a kind of deck paving leveling layer structure, and a kind of deck paving leveling layer structure is by arranging the first ranges of thicknesses leveling layer, the second ranges of thicknesses leveling layer and the 3rd ranges of thicknesses leveling layer; Light ceramsite concrete is set in the first ranges of thicknesses leveling layer simultaneously; in second ranges of thicknesses leveling layer, light ceramsite concrete and top mat are set, light ceramsite concrete, top mat, lower floor's bar-mat reinforcement, many vertical reinforcements and many seamless steel pipes are set in the 3rd ranges of thicknesses leveling layer. This utility model can not only meet the requirement of Pavement linear transformation after bridge jacking, and can greatly reduce the additional duty that bridge increases, and meets the intensity of bridge floor driving, rigidity requirement.
In order to achieve the above object, this utility model is achieved through the following technical solutions:
A kind of deck paving leveling layer structure, is characterized in, this leveling layer structure comprises:
First ranges of thicknesses leveling layer, is arranged on Deck concrete pavement layer;
Second ranges of thicknesses leveling layer, is arranged on Deck concrete pavement layer, and adjacent with described first ranges of thicknesses leveling layer;
3rd ranges of thicknesses leveling layer, is arranged on Deck concrete pavement layer, adjusts and adjacent with described second ranges of thicknesses leveling layer.
Preferably,
The leveling layer thickness of described first ranges of thicknesses leveling layer is less than 50mm;
The leveling layer thickness of described second ranges of thicknesses leveling layer is be more than or equal to 50mm, and the leveling layer thickness of this second ranges of thicknesses leveling layer is less than 180mm;
The leveling layer thickness of described 3rd ranges of thicknesses leveling layer is be more than or equal to 180mm.
Preferably, described first ranges of thicknesses leveling layer adopts seamless transitions to be connected with described second ranges of thicknesses leveling layer, this the second ranges of thicknesses leveling layer adopts seamless transitions to be connected with described 3rd ranges of thicknesses leveling layer so that described first ranges of thicknesses leveling layer, described second ranges of thicknesses leveling layer and described 3rd ranges of thicknesses leveling layer form an entirety.
Preferably, described first ranges of thicknesses leveling layer is formed by being provided with light ceramsite concrete on described Deck concrete pavement layer.
Preferably, described Deck concrete pavement layer is provided with light ceramsite concrete, and top mat is set on the light ceramsite concrete layer that described light ceramsite concrete is formed, form described second ranges of thicknesses leveling layer.
Preferably, described Deck concrete pavement layer is provided with light ceramsite concrete, and top mat is set on the light ceramsite concrete layer that described light ceramsite concrete is formed, bottom this light ceramsite concrete layer, it is provided with the lower floor's bar-mat reinforcement corresponding to described top mat; And it is provided with many vertical reinforcements between described top mat and described lower floor bar-mat reinforcement, between adjacent two described vertical reinforcements, seamless steel pipe is set.
This utility model compared with prior art has the advantage that
The disclosed a kind of deck paving leveling layer structure of this utility model, a kind of deck paving leveling layer structure comprises the first ranges of thicknesses leveling layer, the second ranges of thicknesses leveling layer and the 3rd ranges of thicknesses leveling layer; Light ceramsite concrete is set in the first ranges of thicknesses leveling layer simultaneously; in second ranges of thicknesses leveling layer, light ceramsite concrete and top mat are set, light ceramsite concrete, top mat, lower floor's bar-mat reinforcement, vertical reinforcement and seamless steel pipe are set in the 3rd ranges of thicknesses leveling layer. This utility model can not only meet the requirement of Pavement linear transformation after bridge jacking, greatly reduces the additional duty that bridge increases, meets existing bridge and normally use and bearing capacity requirement, again can the intensity of bridge floor driving, rigidity requirement; Effectively increase the application space of bridge jacking renovation technique.
Accompanying drawing explanation
Fig. 1 be the entirety of a kind of deck paving leveling layer structure of this utility model along bridge to sectional structure schematic diagram.
Fig. 2 is the seamless steel pipe horizontal layout schematic diagram of a kind of deck paving leveling layer structure of this utility model.
Fig. 3 is one of seamless steel pipe layout drawing of a kind of deck paving leveling layer structure of this utility model.
Fig. 4 is the two of the seamless steel pipe layout drawing of a kind of deck paving leveling layer structure of this utility model.
Fig. 5 is the three of the seamless steel pipe layout drawing of a kind of deck paving leveling layer structure of this utility model.
Fig. 6 is the four of the seamless steel pipe layout drawing of a kind of deck paving leveling layer structure of this utility model.
Fig. 7 is the five of the seamless steel pipe layout drawing of a kind of deck paving leveling layer structure of this utility model.
Fig. 8 is the six of the seamless steel pipe layout drawing of a kind of deck paving leveling layer structure of this utility model.
Fig. 9 is the seven of the seamless steel pipe layout drawing of a kind of deck paving leveling layer structure of this utility model.
Figure 10 is the eight of the seamless steel pipe layout drawing of a kind of deck paving leveling layer structure of this utility model.
Figure 11 is the nine of the seamless steel pipe layout drawing of a kind of deck paving leveling layer structure of this utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, this utility model is further elaborated.
As it is shown in figure 1, a kind of deck paving leveling layer structure, this leveling layer structure comprises: the first ranges of thicknesses leveling layer the 1, second ranges of thicknesses leveling layer 2 and the 3rd ranges of thicknesses leveling layer 3.
Wherein, the first ranges of thicknesses leveling layer 1 is arranged on Deck concrete pavement layer 10; Second ranges of thicknesses leveling layer 2 is arranged on Deck concrete pavement layer 10, and adjacent with the first ranges of thicknesses leveling layer 1; 3rd ranges of thicknesses leveling layer 3 is arranged on Deck concrete pavement layer 10, adjusts and adjacent with the second ranges of thicknesses leveling layer 2.
In this utility model, the leveling layer thickness of the first ranges of thicknesses leveling layer 1 is less than 50mm. The leveling layer thickness of the second ranges of thicknesses leveling layer 2 is be more than or equal to 50mm, and the leveling layer thickness of this second ranges of thicknesses leveling layer 2 is less than 180mm. The leveling layer thickness of the 3rd ranges of thicknesses leveling layer 3 is be more than or equal to 180mm.
In this utility model, first ranges of thicknesses leveling layer 1 adopts seamless transitions to be connected with the second ranges of thicknesses leveling layer 2, this the second ranges of thicknesses leveling layer 2 adopts seamless transitions to be connected with the 3rd ranges of thicknesses leveling layer 3 so that first ranges of thicknesses leveling layer the 1, second ranges of thicknesses leveling layer 2 and the 3rd ranges of thicknesses leveling layer 3 form an entirety.
As it is shown in figure 1, the first ranges of thicknesses leveling layer 1 is formed by being provided with light ceramsite concrete 4 on Deck concrete pavement layer 10. Deck concrete pavement layer 10 is provided with light ceramsite concrete 4, and top mat 5 is set on the light ceramsite concrete layer that light ceramsite concrete 4 is formed, form the second ranges of thicknesses leveling layer 2. Deck concrete pavement layer 10 is provided with light ceramsite concrete 4, and top mat 5 is set on the light ceramsite concrete layer that light ceramsite concrete 4 is formed, bottom this light ceramsite concrete layer, it is provided with the lower floor's bar-mat reinforcement 6 corresponding to top mat 5; And between top mat 5 and lower floor's bar-mat reinforcement 6, it is provided with many vertical reinforcements 8, between two vertical reinforcements 8 of arbitrary neighborhood, seamless steel pipe 7 is set.
In the present embodiment, the top of every vertical reinforcement 8 is welded with top mat 5, and the bottom of every vertical reinforcement 8 is welded with lower floor bar-mat reinforcement 6, concrete pavement layer reinforcing bar 20 respectively.
After leveling layer has been laid, the asphalt mixture surfacing of routine is set at leveling layer top. After completing deck paving, asphalt mixture surfacing directly bears vehicular load, asphalt mixture surfacing end face linear with Bridge Reconstruction after design Pavement linear overlap; The strength grade of light ceramsite concrete 4 needs to meet bridge floor driving requirement, and Unit Weight makes the additional duty that leveling layer increases meet the force request of bridge structure. The intensity of seamless steel pipe 7, rigidity need to meet bridge floor driving requirement, and Unit Weight and specification make the additional duty that leveling layer increases need to meet the force request of bridge structure.
In this utility model, the leveling layer different-thickness according to the 3rd ranges of thicknesses leveling layer 3, adopt the seamless steel pipe 7 of different model to be arranged. As it is shown on figure 3, when the leveling layer thickness of the 3rd ranges of thicknesses leveling layer 3 is 180mm-230mm, adopts the seamless steel pipe 7 being of a size of �� 133mm �� 4.5mm to be arranged in the 3rd ranges of thicknesses leveling layer 3, and between adjacent two seamless steel pipes 7, spacing be 120mm. As shown in Figure 4, when the leveling layer thickness of the 3rd ranges of thicknesses leveling layer 3 is 230mm-280mm, adopts the seamless steel pipe 7 being of a size of �� 180mm �� 5.5mm to be arranged in the 3rd ranges of thicknesses leveling layer 3, and between adjacent two seamless steel pipes 7, spacing is 120mm. As it is shown in figure 5, when the leveling layer thickness of the 3rd ranges of thicknesses leveling layer 3 is 280mm-330mm, adopts the seamless steel pipe 7 being of a size of �� 219mm �� 6mm to be arranged in the 3rd ranges of thicknesses leveling layer 3, and between adjacent two seamless steel pipes 7, spacing be 120mm. As shown in Figure 6, when the leveling layer thickness of the 3rd ranges of thicknesses leveling layer 3 is 330mm-380mm, adopts the seamless steel pipe 7 being of a size of �� 273mm �� 7mm to be arranged in the 3rd ranges of thicknesses leveling layer 3, and between adjacent two seamless steel pipes 7, spacing is 120mm. As it is shown in fig. 7, when the leveling layer thickness of the 3rd ranges of thicknesses leveling layer 3 is 380mm-430mm, adopts the seamless steel pipe 7 being of a size of �� 325mm �� 9mm to be arranged in the 3rd ranges of thicknesses leveling layer 3, and between adjacent two seamless steel pipes 7, spacing be 120mm. As shown in Figure 8, when the leveling layer thickness of the 3rd ranges of thicknesses leveling layer 3 is 430mm-480mm, adopts the seamless steel pipe 7 being of a size of �� 335mm �� 10mm to be arranged in the 3rd ranges of thicknesses leveling layer 3, and between adjacent two seamless steel pipes 7, spacing is 120mm. As it is shown in figure 9, when the leveling layer thickness of the 3rd ranges of thicknesses leveling layer 3 is 480mm-530mm, adopts the seamless steel pipe 7 being of a size of �� 406mm �� 12mm to be arranged in the 3rd ranges of thicknesses leveling layer 3, and between adjacent two seamless steel pipes 7, spacing be 120mm. As shown in Figure 10, when the leveling layer thickness of the 3rd ranges of thicknesses leveling layer 3 is 530mm-580mm, adopts the seamless steel pipe 7 being of a size of �� 450mm �� 12mm to be arranged in the 3rd ranges of thicknesses leveling layer 3, and between adjacent two seamless steel pipes 7, spacing is 120mm. As shown in figure 11, when the leveling layer thickness of the 3rd ranges of thicknesses leveling layer 3 is 580mm-630mm, adopts the seamless steel pipe 7 being of a size of �� 500mm �� 14mm to be arranged in the 3rd ranges of thicknesses leveling layer 3, and between adjacent two seamless steel pipes 7, spacing is 120mm.
Disclosed in this utility model, the leveling layer structural approach of specifically mating formation of a kind of deck paving leveling layer structure comprises:
As shown in Figure 1 and Figure 2, S1, by bridge floor protobitumen pave-load layer milling, former concrete pavement layer dabbing. This step S1 comprises:
S1.1, by clean for bridge floor protobitumen pave-load layer milling.
S1.2, by former for bridge floor concrete pavement layer dabbing to exposing aggregate and rinsing well, and cuts a hole to exposing concrete pavement layer reinforcing bar 20.
S2, builds light ceramsite concrete 4 in the first ranges of thicknesses leveling layer 1.
In the present embodiment, in the first ranges of thicknesses leveling layer 1, build light ceramsite concrete 4 thus defining light ceramsite concrete layer.
S3, is respectively provided with top mat 5 and light ceramsite concrete 4 in the second ranges of thicknesses leveling layer 2. This step S3 comprises:
S3.1, arranges top mat 5 in the second ranges of thicknesses leveling layer 2.
S3.2, on the former concrete pavement layer of bridge floor, builds light ceramsite concrete 4 and forms light ceramsite concrete layer.
S4, is respectively provided with top mat 5, lower floor's bar-mat reinforcement 6, vertical reinforcement 8, seamless steel pipe 7 and light ceramsite concrete 4 in the 3rd ranges of thicknesses leveling layer 3. This step S4 comprises:
S4.1, arranges top mat 5 in the 3rd ranges of thicknesses leveling layer 3.
S4.2, the Deck concrete pavement layer 10 in the 3rd ranges of thicknesses leveling layer 3 arranges the lower floor's bar-mat reinforcement 6 corresponding to top mat 5.
S4.3, many vertical reinforcements 8 are set between top mat 5 and lower floor's bar-mat reinforcement 6, the top of every vertical reinforcement 8 is welded with this top mat 5, the bottom of this root vertical reinforcement 8 is welded with this lower floor's bar-mat reinforcement 6 and concrete pavement layer reinforcing bar 20 respectively.
In the present embodiment, vertical reinforcement 8 welds with top mat 5, lower floor's bar-mat reinforcement 6 and concrete pavement layer reinforcing bar 20 respectively, it is possible to plays shearing resistance effect, and facilitates the construction of seamless steel pipe 7 to position.
S4.4, arranges the seamless steel pipe 7 of dimension according to the leveling layer thickness of the 3rd ranges of thicknesses leveling layer 3.
In this utility model, the seamless steel pipe 7 of different size is set, as shown in Fig. 3-Figure 11 according to the leveling layer thickness of the 3rd ranges of thicknesses leveling layer 3.
S4.5, on the former concrete pavement layer of bridge floor, builds light ceramsite concrete 4 and forms light ceramsite concrete layer.
S5, asphalt pave-load layer again on deck paving leveling layer.
After laying asphalt mixture surfacing, asphalt mixture surfacing directly bears vehicular load, asphalt mixture surfacing end face linear with Bridge Reconstruction after design Pavement linear overlap; The strength grade of light ceramsite concrete 4 needs to meet bridge floor driving requirement, and Unit Weight makes the additional duty that leveling layer increases meet the force request of bridge structure.
Although content of the present utility model has been made to be discussed in detail already by above preferred embodiment, but it should be appreciated that the description above is not considered as restriction of the present utility model. After those skilled in the art have read foregoing, multiple amendment of the present utility model and replacement all be will be apparent from. Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (6)
1. a deck paving leveling layer structure, it is characterised in that this leveling layer structure comprises:
First ranges of thicknesses leveling layer, is arranged on Deck concrete pavement layer;
Second ranges of thicknesses leveling layer, is arranged on Deck concrete pavement layer, and adjacent with described first ranges of thicknesses leveling layer;
3rd ranges of thicknesses leveling layer, is arranged on Deck concrete pavement layer, adjusts and adjacent with described second ranges of thicknesses leveling layer.
2. deck paving leveling layer structure as claimed in claim 1, it is characterised in that
The leveling layer thickness of described first ranges of thicknesses leveling layer is less than 50mm;
The leveling layer thickness of described second ranges of thicknesses leveling layer is be more than or equal to 50mm, and the leveling layer thickness of this second ranges of thicknesses leveling layer is less than 180mm simultaneously;
The leveling layer thickness of described 3rd ranges of thicknesses leveling layer is be more than or equal to 180mm.
3. deck paving leveling layer structure as claimed in claim 1, it is characterized in that, described first ranges of thicknesses leveling layer adopts seamless transitions to be connected with described second ranges of thicknesses leveling layer, this the second ranges of thicknesses leveling layer adopts seamless transitions to be connected with described 3rd ranges of thicknesses leveling layer so that described first ranges of thicknesses leveling layer, described second ranges of thicknesses leveling layer and described 3rd ranges of thicknesses leveling layer form an entirety.
4. deck paving leveling layer structure as claimed in claim 1, it is characterised in that described first ranges of thicknesses leveling layer is formed by being provided with light ceramsite concrete on described Deck concrete pavement layer.
5. deck paving leveling layer structure as claimed in claim 1; it is characterized in that; described Deck concrete pavement layer is provided with light ceramsite concrete; and the light ceramsite concrete layer top formed at described light ceramsite concrete arranges top mat, form described second ranges of thicknesses leveling layer.
6. deck paving leveling layer structure as claimed in claim 1, it is characterized in that, described Deck concrete pavement layer is provided with light ceramsite concrete, and the light ceramsite concrete layer top formed at described light ceramsite concrete arranges top mat, bottom this light ceramsite concrete layer, it is provided with the lower floor's bar-mat reinforcement corresponding to described top mat; And it is provided with many vertical reinforcements between described top mat and described lower floor bar-mat reinforcement, between two described vertical reinforcements of arbitrary neighborhood, seamless steel pipe is set.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105064209A (en) * | 2015-08-25 | 2015-11-18 | 上海市政工程设计研究总院(集团)有限公司 | Bridge deck pavement leveling layer structure and leveling method thereof |
CN113047187A (en) * | 2021-03-24 | 2021-06-29 | 中交城乡建设规划设计研究院有限公司 | Bridge reconstruction, extension and reconstruction structure based on steel lattice laminated layer and construction method thereof |
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2015
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105064209A (en) * | 2015-08-25 | 2015-11-18 | 上海市政工程设计研究总院(集团)有限公司 | Bridge deck pavement leveling layer structure and leveling method thereof |
CN113047187A (en) * | 2021-03-24 | 2021-06-29 | 中交城乡建设规划设计研究院有限公司 | Bridge reconstruction, extension and reconstruction structure based on steel lattice laminated layer and construction method thereof |
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