CN209323352U - A kind of road surface expanded joint structure - Google Patents
A kind of road surface expanded joint structure Download PDFInfo
- Publication number
- CN209323352U CN209323352U CN201821577923.3U CN201821577923U CN209323352U CN 209323352 U CN209323352 U CN 209323352U CN 201821577923 U CN201821577923 U CN 201821577923U CN 209323352 U CN209323352 U CN 209323352U
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- cover plate
- main body
- plate main
- road surface
- supercrust
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Abstract
The utility model discloses a kind of road surface expanded joint structures, include the cover plate main body being arranged between two beam-ends, the beam-ends includes beam body part and the supercrust part positioned at beam body portion of upper surface, and beam body part horizontally exceeds supercrust part and makes the sealing that structure is at T-shaped between two beam-ends, the both ends of the cover plate main body are supported by beam body part, the cover plate main body is lamination layer structure, cover plate main body includes the reinforced concrete floor set gradually from the bottom to top, hot in-plant reclaimed asphalt concrete layer and the steel slag asphalt mixing bed of material, the both ends of the cover plate main body are connect by elastic sealing structure with supercrust part, pressing plate is provided on the downside of the beam body part, bolt passes through pressing plate and connect with cover plate main body.The utility model effectively increases bearing capacity, and stress performance is good, durability is good, long service life, ensures surface evenness, and support vehicles even running improves travel safety and comfort.
Description
Technical field
The utility model relates to pavement construction technical field more particularly to a kind of road surface expanded joint structures.
Background technique
Road surface expansion joint refers to meet the requirement of bridge floor deformation, usually between two beam-ends, between beam-ends and abutment
Or expansion joint is set in the articulated position of bridge.And road surface expansion gap device is to make vehicle smoothly pass bridge floor and meeting bridge floor
The needs of deformation, the device being arranged at variator.Expansion gap device is link most weak in bridge structure, due to stretching
Contracting seam device directly bears the percussion of wheel cyclic reverse loading, even if there is very small out-of-flatness, under carload effect
It will make to be severely affected effect at this, therefore be also to be easiest to be destroyed and the replacement that needs repairing.Existing road surface
The stability of expanded joint structure is poor, and stress performance is poor, and current comfort is poor, safety is poor, poor durability, and service life is short.
Utility model content
Technical problem to be solved in the utility model and the technical assignment of proposition are improved to the prior art, are provided
A kind of road surface expanded joint structure, the road surface expansion gap device stability solved in current technology is poor, and stress performance is poor, durability
Difference, the short problem of service life.
In order to solve the above technical problems, the technical solution of the utility model is:
A kind of road surface expanded joint structure, which is characterized in that described including the cover plate main body being arranged between two beam-ends
Beam-ends includes beam body part and the supercrust part positioned at beam body portion of upper surface, and beam body part horizontally exceeds road surface
Layer part makes the sealing that structure is at T-shaped between two beam-ends, and the both ends of the cover plate main body are supported by beam body part, the lid
Plate main body is lamination layer structure, and cover plate main body includes the reinforced concrete floor set gradually from the bottom to top, hot in-plant reclaimed asphalt
The both ends of concrete layer and the steel slag asphalt mixing bed of material, the cover plate main body are connected by elastic sealing structure and supercrust part
It connects, pressing plate is provided on the downside of the beam body part, bolt passes through pressing plate and connect with cover plate main body.It is described in the utility model
Road surface expanded joint structure can at the expansion joint of road surface because of variation of ambient temperature and structural bearing dilatation under support vehicles it is flat
Steady operation, cover plate main body can ensure the leakproofness at the sealing between two beam-ends always, and effectively improve at expansion joint
Bearing capacity, stress performance is good, durability is good, and support vehicles even running effectively improves current comfortableness and security, uses
Service life is long.
Further, buffer layer, the cover plate main body and beam body portion are provided between the pressing plate and beam body part
/ it is provided with buffer layer, so that road surface expanded joint structure there can be buffering in the vertical direction, current comfort is improved, is reduced
Impact when by road surface expanded joint structure improves the service life of road surface expanded joint structure.
Further, the elastic sealing structure includes the fastener one extended from cover plate main body end face, from road surface
The fastener two and sealed colloid that layer portion end surface extends, the section of the sealed colloid is C-shaped, the two sides of sealed colloid
It is respectively clamped into fastener one and fastener two, structure is simple, and connection sealing is good, easy to maintain.
Further, the fastener one is arranged on the end face of reinforced concrete floor, fastener one and armored concrete
Reinforcement welding connection in layer, structure is more firm, better tightness.
Further, the top surface that the reinforcing bar in the reinforced concrete floor extends above reinforced concrete floor constitutes riveting
Draw piece, riveting draw piece are embedded in hot in-plant reclaimed asphalt concrete layer.
Further, the riveting draw piece is in hook solid, improves the structural stability of cover plate main body.
Compared with prior art, the utility model advantage is:
Road surface expanded joint structure described in the utility model effectively increases bearing capacity, and stress performance is good, durability is good, makes
It is long with the service life, ensure surface evenness, support vehicles even running improves travel safety and comfort.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the road surface expanded joint structure of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of road surface expanded joint structure disclosed in the utility model embodiment effectively improves the bearing capacity at expansion joint, by
Power performance is good, durability is good, and support vehicles even running effectively improves current comfortableness and security, long service life.
As shown in Figure 1, beam-ends is constituted by beam body part 21 and positioned at the supercrust part 22 of 21 upper surface of beam body part, and
And beam body part 21 horizontally makes the sealing that structure is at T-shaped between two beam-ends beyond supercrust part 22, a kind of road surface is stretched
Contracting crack structure, main includes the cover plate main body 1 being arranged between two beam-ends, and the both ends of the cover plate main body 1 are by beam body part
21 supports, cover plate main body 1 are lamination layer structure, and cover plate main body 1 includes the reinforced concrete floor 11 set gradually from the bottom to top, factory
Mix heat regeneration asphalt concrete layer 12 and the steel slag asphalt mixing bed of material 13, hot in-plant reclaimed asphalt concrete layer 12 with a thickness of 10
~15cm, the steel slag asphalt mixing bed of material 13 with a thickness of 6~10cm, the partial size of the steel slag of the steel slag asphalt mixing bed of material 13
Both ends for 2.76~9.5mm, the cover plate main body 1 are connect by elastic sealing structure with supercrust part 22, described
The downside of beam body part 21 be provided with pressing plate 4, bolt 5 passes through pressing plate 4 and connect with cover plate main body 1, pressing plate 4 and beam body part 21
Between be provided with buffer layer 6, be provided with buffer layer 6 between the cover plate main body 1 and beam body part 21.
In the present embodiment, elastic sealing structure includes the fastener 1 extended from 1 end face of cover plate main body, from road surface
The fastener 2 32 and sealed colloid 33 that layer 22 end face of part is extended, the section of the sealed colloid 33 is C-shaped, sealant
The two sides of body 33 are respectively clamped into fastener 1 and fastener 2 32, and the end face of reinforced concrete floor 11 is arranged in fastener 1
On, fastener 1 is connect with the reinforcement welding in reinforced concrete floor 11.
The top surface that reinforcing bar in reinforced concrete floor 11 extends above reinforced concrete floor 11 constitutes riveting draw piece 14, riveting
Draw piece 14 is embedded in hot in-plant reclaimed asphalt concrete layer 12, and riveting draw piece 14 is in hook solid, improves reinforced concrete floor 11 and factory
The connective stability of heat regeneration asphalt concrete layer 12 is mixed, to improve the overall structure stability of cover plate main body 1, improves carrying
Ability, stress performance is good, durability is good, and support vehicles even running effectively improves current comfortableness and security.
Above are merely preferred embodiments of the utility model, it is noted that above-mentioned preferred embodiment should not regard
For limitations of the present invention, the protection scope of the utility model should be defined by the scope defined by the claims..For
For those skilled in the art, without departing from the spirit and scope of the utility model, it can also make several
Improvements and modifications, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (5)
1. a kind of road surface expanded joint structure, which is characterized in that described including the cover plate main body (1) being arranged between two beam-ends
Beam-ends include beam body part (21) and the supercrust part (22) for being located at beam body part (21) upper surface, and beam body part
(21) horizontally make the sealing that structure is at T-shaped between two beam-ends beyond supercrust part (22), the cover plate main body (1)
Both ends are supported by beam body part (21), and the cover plate main body (1) is lamination layer structure, and cover plate main body (1) includes from the bottom to top
Reinforced concrete floor (11), hot in-plant reclaimed asphalt concrete layer (12) and the steel slag asphalt mixing bed of material (13) set gradually,
The both ends of the cover plate main body (1) are connect by elastic sealing structure with supercrust part (22), the beam body part
(21) it is provided on the downside of pressing plate (4), bolt (5) passes through pressing plate (4) and connect with cover plate main body (1), the elastic packing knot
Structure includes the fastener one (31) extended from cover plate main body (1) end face, the buckle extended from supercrust part (22) end face
Part two (32) and sealed colloid (33), the section of the sealed colloid (33) is C-shaped, and the two sides of sealed colloid (33) are blocked respectively
Enter fastener one (31) and fastener two (32).
2. road surface expanded joint structure according to claim 1, which is characterized in that the pressing plate (4) and beam body part
(21) it is provided between buffer layer (6), buffer layer (6) is provided between the cover plate main body (1) and beam body part (21).
3. road surface expanded joint structure according to claim 1, which is characterized in that the fastener one (31) is arranged in reinforcing bar
On the end face of concrete layer (11), fastener one (31) is connect with the reinforcement welding in reinforced concrete floor (11).
4. road surface expanded joint structure according to claim 1, which is characterized in that the steel in the reinforced concrete floor (11)
The top surface that muscle extends above reinforced concrete floor (11) constitutes riveting draw piece (14), and riveting draw piece (14) is embedded in hot in-plant reclaimed drip
In green concrete layer (12).
5. road surface expanded joint structure according to claim 4, which is characterized in that the riveting draw piece (14) is in hook solid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821577923.3U CN209323352U (en) | 2018-09-26 | 2018-09-26 | A kind of road surface expanded joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821577923.3U CN209323352U (en) | 2018-09-26 | 2018-09-26 | A kind of road surface expanded joint structure |
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| Publication Number | Publication Date |
|---|---|
| CN209323352U true CN209323352U (en) | 2019-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821577923.3U Active CN209323352U (en) | 2018-09-26 | 2018-09-26 | A kind of road surface expanded joint structure |
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| CN (1) | CN209323352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921783A (en) * | 2021-01-26 | 2021-06-08 | 江西龙正科技发展有限公司 | Novel ultra-high strength concrete UHPC foot bridge |
-
2018
- 2018-09-26 CN CN201821577923.3U patent/CN209323352U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921783A (en) * | 2021-01-26 | 2021-06-08 | 江西龙正科技发展有限公司 | Novel ultra-high strength concrete UHPC foot bridge |
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