CN219195528U - New and old roadbed pavement splicing structure - Google Patents
New and old roadbed pavement splicing structure Download PDFInfo
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- CN219195528U CN219195528U CN202223434727.XU CN202223434727U CN219195528U CN 219195528 U CN219195528 U CN 219195528U CN 202223434727 U CN202223434727 U CN 202223434727U CN 219195528 U CN219195528 U CN 219195528U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The utility model provides a new and old roadbed pavement splicing structure which comprises an old roadbed foundation, a new roadbed foundation and a connecting structure, wherein a new roadbed foundation is laid on one side of the old roadbed foundation, a plurality of groups of mounting holes are formed on one side of the old roadbed foundation, and the connecting structure is arranged in each mounting hole.
Description
Technical Field
The utility model relates to the technical field of roadbed and pavement engineering, in particular to a splicing structure of new and old roadbed and pavement.
Background
With the rapid development of Chinese socioeconomic, the proportion of private cars owned by people is increasing. The situation that part of roads are blocked by traffic due to small width also occurs, and the cost of newly building one road is high, so that the old roads are spliced and widened generally;
through searching, it is found that chinese patent with application number 202121152305.6 discloses a be used for new road bed road surface mosaic structure, overlap joint each other through first step and second step, thereby increase the area of contact of concatenation department between new road and the old road, when laying new road and old road, between new road and the old road like this, thereby reduce the subsidence difference between new road and the old road and cause the condition that the concatenation department appears the crack, be the inclined plane through the side that first step is close to new road bed, this is favorable to increasing the area of contact between first step and the second step, make first step have an ascending holding power to the second step simultaneously, thereby reduce the settlement difference between new road and the old road and cause the condition that the concatenation department appears the crack.
With respect to the above technology, the inventor believes that the crack can be prevented from occurring at the splicing position when the new roadbed subsides, but the situation of thermal expansion and cold shrinkage can occur under the condition of insolation in summer due to the fact that the seam is stepped, and the seam bulges to cause step fracture when thermal expansion and cold shrinkage occur, so that the service life of the roadbed is reduced.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a splicing structure of new and old roadbed and pavement.
The splicing structure of the new and old roadbed and pavement provided by the utility model comprises the following steps: old road foundation, new road foundation and connection structure, new road foundation has been laid on old road foundation one side, and a plurality of groups of mounting holes have been seted up on old road foundation side that is close to new road foundation, and the mounting hole is inside to be provided with connection structure.
Preferably, the old roadbed foundation is close to the new roadbed foundation side and chiseled has the staggered joint, and fixed slot is seted up to staggered joint one side, and a plurality of sets of reinforcing bars have been laid to staggered joint one side, and old roadbed foundation is close to new roadbed foundation one side and is provided with a plurality of sets of connecting bars, and connecting bar one end extends to inside the old roadbed one side mounting hole.
Preferably, the new roadbed foundation is provided with staggered joints on one side close to the old roadbed foundation, a connecting clamping block is arranged on one side of the staggered joints, the connecting clamping block is mutually embedded with a fixed groove on one side of the staggered joints on one side of the old roadbed foundation, a plurality of groups of reinforcing steel bars are paved on one side of the staggered joints, the new roadbed foundation is provided with a plurality of groups of connecting steel bars on one side close to the old roadbed foundation, and one ends of the connecting steel bars are poured inside the new roadbed foundation.
Preferably, the connection structure includes screw rod, dwang and threaded rod, and the screw rod sets up inside old road foundation one side mounting hole, screw rod one end fixedly connected with dwang, and the through-hole has been seted up to dwang one side, and threaded through-hole has been seted up to screw rod one end, and dwang one side through-hole and screw rod one end threaded through-hole communicate each other, and dwang one side through-hole and threaded through-hole inside are provided with the threaded rod.
Preferably, threaded rod one end fixed connection is in connecting bar one end, and the threaded rod other end extends to screw rod one end, and threaded rod one end fixedly connected with fixed column, threaded rod one end surface fixedly connected with fixed fixture block is kept away from to the fixed column, and fixed column surface cover is equipped with movable fixture block.
Preferably, one side of the reinforcing steel bar is welded with a fixed steel bar, and one side of the fixed steel bar is welded with two groups of connecting steel bars.
Compared with the related art, the splicing structure of the new and old roadbed and pavement has the following beneficial effects:
through being provided with connection structure, the staggered joint, the connecting reinforcement, consolidate reinforcing bar and fixed reinforcement, constructor is at first with old roadbed foundation one side drilling out the mounting hole, set up the fixed slot with old roadbed foundation one side staggered joint, constructor inserts connecting reinforcement and connection structure inside the mounting hole that old roadbed foundation one side was drilled out, constructor rotates the connecting reinforcement, the connecting reinforcement rotates and has driven the threaded rod to rotate, threaded rod rotates and screw rod one end screw thread through-hole threaded connection, the threaded rod drives fixed column entering screw rod one end screw thread through-hole inside fixed fixture block extrusion movable fixture block this moment, fixed fixture block and movable fixture block extrusion deformation each other, make fixed fixture block and movable fixture block surface laminating old roadbed foundation one side mounting hole inner wall, make connecting reinforcement fix in old roadbed foundation one side mounting hole inside, constructor lays out two-layer reinforcement, constructor passes through fixed reinforcement and connecting reinforcement welding, then pour concrete new road foundation, make new road foundation and old roadbed foundation connection consolidate, make the seam department uplift cause the step fracture when having avoided the thermal expansion shrink, the effectual life that improves old road foundation and new road foundation.
Drawings
FIG. 1 is a schematic view of a splicing structure of new and old roadbed and pavement according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic structural view of a connecting structure according to the present utility model;
fig. 3 is an exploded view of the connection structure of the present utility model.
Reference numerals in the drawings: 1. an old road foundation; 2. a new road foundation; 3. staggered joint; 4. connecting steel bars; 5. reinforcing steel bars; 6. fixing the reinforcing steel bars; 7. a connection structure; 8. a screw; 9. a rotating block; 10. a threaded rod; 11. a movable clamping block; 12. fixing the column; 13. fixing the clamping block; 14. connecting a clamping block; 15. and (5) a threaded through hole.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2 and fig. 3 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a new and old roadbed and pavement splicing structure according to the present utility model; FIG. 2 is a schematic structural view of a connecting structure according to the present utility model; fig. 3 is an exploded view of the connection structure of the present utility model. Comprising the following steps: old road foundation 1, new road foundation 2 and connection structure 7, new road foundation 2 has been laid on 1 side of old road foundation, and a plurality of groups of mounting holes have been seted up on 2 sides of old road foundation 1 near new road foundation, and the mounting hole is inside to be provided with connection structure 7, and mounting structure facilitates the mounting structure.
In the specific implementation process, as shown in fig. 1, fig. 2 and fig. 3, wherein, the staggered joint 3 is chiseled on one side of the old road foundation 1, which is close to the new road foundation 2, the contact area with the concreting of the new road foundation 2 is increased by the staggered joint 3, a fixed slot is formed on one side of the staggered joint 3, the connection strength of the old road foundation 1 and the new road foundation 2 is enhanced by the fixed slot, a plurality of groups of reinforcing steel bars 5 are paved on one side of the staggered joint 3, the strength of the concreting of the new road foundation 2 and the old road foundation 1 is enhanced by the reinforcing steel bars 5, a plurality of groups of connecting steel bars 4 are arranged on one side of the old road foundation 1, which is close to the new road foundation 2, one end of the connecting steel bars 4 extends into the installation hole on one side of the old road foundation, and the connecting steel bars 4 facilitate the connection and fixation of the old road foundation 1 and the new road foundation 2.
The novel road foundation 2 is provided with a staggered joint 3 on one side close to the old road foundation 1, the staggered joint 3 increases the contact area between the concreting of the novel road foundation 2 and the old road foundation 1, a connecting clamping block 14 is arranged on one side of the staggered joint 3, the connecting clamping block 14 is mutually embedded with a fixed groove on one side of the staggered joint 3 on one side of the old road foundation 1, the mutually embedded connecting clamping block 14 and the fixed groove strengthen the connection strength between the old road foundation 1 and the novel road foundation 2, a plurality of groups of reinforcing steel bars 5 are paved on one side of the staggered joint 3, the reinforcing steel bars 5 strengthen the concreting strength between the novel road foundation 2 and the old road foundation 1, a plurality of groups of connecting steel bars 4 are arranged on one side of the novel road foundation 2 close to the old road foundation 1, one end of each connecting steel bar 4 is poured inside the novel road foundation 2, and the novel road foundation 2 is fixedly connected with the connecting steel bars 4.
Wherein, connection structure 7 includes screw rod 8, rotating block 9 and threaded rod 10, screw rod 8 sets up inside old road foundation 1 one side mounting hole, screw rod 8 one end fixedly connected with rotating block 9, the through-hole has been seted up to rotating block 9 one side, screw thread through-hole 15 has been seted up to screw rod 8 one end, rotating block 9 one side through-hole and screw rod 8 one end screw thread through-hole 15 intercommunication each other, rotating block 9 one side through-hole and inside threaded rod 10 that is provided with of screw thread through-hole 15, threaded rod 10 can rotate in rotating block 9 one side through-hole inside, and threaded rod 10 and the inside threaded connection of screw rod 8 one end screw thread through-hole 15.
Wherein, threaded rod 10 one end fixed connection is in connecting bar 4 one end, threaded rod 10 other end extends to screw rod 8 one end, threaded rod 10 one end fixedly connected with fixed column 12, fixed column 12 is kept away from threaded rod 10 one end surface fixedly connected with fixed fixture block 13, fixed column 12 surface cover is equipped with movable fixture block 11, movable fixture block 11 can slide at fixed column 12 surface, constructor rotates connecting bar 4, connecting bar 4 rotates and has driven threaded rod 10 rotation, threaded rod 10 rotates and screw rod 8 one end threaded through-hole 15 threaded connection, threaded rod 10 drives fixed column 12 and gets into inside screw rod 8 one end threaded through-hole 15 fixed fixture block 13 extrusion movable fixture block 11 this moment, fixed fixture block 13 and movable fixture block 11 extrusion deformation each other for fixed fixture block 13 and the old way 1 side mounting hole inner wall of the laminating of movable fixture block 11 surface, make connecting bar 4 fix inside the old way 1 side mounting hole.
Wherein, consolidate reinforcing bar 5 one side welding and have fixed reinforcing bar 6, fixed reinforcing bar 6 and two sets of connecting bar 4 one side welding, fixed reinforcing bar 6 has played the effect of fixed reinforcing bar 5 and connecting bar 4, conveniently pours concrete new road foundation 2.
The working principle provided by the utility model is as follows: the constructor drills out the mounting hole with old road foundation 1 one side at first, set up fixed slot with old road foundation 1 one side staggered joint 3, constructor inserts inside the mounting hole that old road foundation 1 one side was drilled out with connecting reinforcement 4 and connection structure 7, constructor rotates connecting reinforcement 4, connecting reinforcement 4 rotates and has driven threaded rod 10 rotation, threaded rod 10 rotates and screw rod 8 one end screw thread through-hole 15 threaded connection, threaded rod 10 drives fixed column 12 get into screw rod 8 one end screw thread through-hole 15 inside this moment fixed fixture block 13 extrusion movable fixture block 11, fixed fixture block 13 extrudees the deformation with movable fixture block 11 each other, make fixed fixture block 13 and movable fixture block 11 surface laminating old road foundation 1 one side mounting hole inner wall, make connecting reinforcement 4 fix in old road foundation 1 one side mounting hole inside, constructor lays out two-layer reinforcing reinforcement 5, constructor passes through fixed reinforcement 6 and connecting reinforcement 4 welding, then pour concrete new road foundation 2, make new road foundation 2 and old road foundation 1 connect the reinforcement.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The utility model provides a new old road bed road surface mosaic structure, includes old road foundation (1), new road foundation (2) and connection structure (7), its characterized in that, new road foundation (2) have been laid to old road foundation (1) one side, and a plurality of groups of mounting holes have been seted up to old road foundation (1) near new road foundation (2) one side, and the mounting hole is inside to be provided with connection structure (7).
2. The new and old roadbed and pavement splicing structure according to claim 1, wherein the old roadbed foundation (1) is provided with a staggered seam (3) on one side close to the new roadbed foundation (2), a fixed slot is formed on one side of the staggered seam (3), a plurality of groups of reinforcing steel bars (5) are paved on one side of the staggered seam (3), a plurality of groups of connecting steel bars (4) are arranged on one side of the old roadbed foundation (1) close to the new roadbed foundation (2), and one end of each connecting steel bar (4) extends into an installation hole on one side of the old roadbed.
3. The new and old roadbed and pavement splicing structure according to claim 1, wherein the new roadbed (2) is provided with a staggered joint (3) on one side close to the old roadbed (1), a connecting clamping block (14) is arranged on one side of the staggered joint (3), the connecting clamping block (14) is mutually embedded with a fixed groove on one side of the staggered joint (3) on one side of the old roadbed (1), a plurality of groups of reinforcing steel bars (5) are paved on one side of the staggered joint (3), a plurality of groups of connecting steel bars (4) are arranged on one side of the new roadbed (2) close to the old roadbed (1), and one end of each connecting steel bar (4) is poured inside the new roadbed (2).
4. The splicing structure of the new roadbed and old pavement according to claim 1, wherein the connecting structure (7) comprises a screw (8), a rotating block (9) and a threaded rod (10), the screw (8) is arranged inside a mounting hole on one side of the old roadbed (1), one end of the screw (8) is fixedly connected with the rotating block (9), a through hole is formed in one side of the rotating block (9), a threaded through hole (15) is formed in one end of the screw (8), the through hole on one side of the rotating block (9) is mutually communicated with the threaded through hole (15) on one end of the screw (8), and the threaded rod (10) is arranged inside the through hole on one side of the rotating block (9) and the threaded through hole (15).
5. The splicing structure of new and old roadbed and pavement according to claim 4, wherein one end of the threaded rod (10) is fixedly connected with one end of the connecting steel bar (4), the other end of the threaded rod (10) extends to one end of the threaded rod (8), one end of the threaded rod (10) is fixedly connected with a fixed column (12), one end of the fixed column (12) far away from the threaded rod (10) is fixedly connected with a fixed clamping block (13), and the outer surface of the fixed column (12) is sleeved with a movable clamping block (11).
6. The splicing structure of new and old roadbed and pavement according to claim 2, wherein a fixing bar (6) is welded on one side of the reinforcing bar (5), and the fixing bar (6) is welded on one side of the two groups of connecting bars (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223434727.XU CN219195528U (en) | 2022-12-21 | 2022-12-21 | New and old roadbed pavement splicing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223434727.XU CN219195528U (en) | 2022-12-21 | 2022-12-21 | New and old roadbed pavement splicing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219195528U true CN219195528U (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223434727.XU Active CN219195528U (en) | 2022-12-21 | 2022-12-21 | New and old roadbed pavement splicing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219195528U (en) |
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2022
- 2022-12-21 CN CN202223434727.XU patent/CN219195528U/en active Active
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