CN215482020U - Splicing structure is widened to new and old road bed convenient to construction - Google Patents
Splicing structure is widened to new and old road bed convenient to construction Download PDFInfo
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- CN215482020U CN215482020U CN202121641413.XU CN202121641413U CN215482020U CN 215482020 U CN215482020 U CN 215482020U CN 202121641413 U CN202121641413 U CN 202121641413U CN 215482020 U CN215482020 U CN 215482020U
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- roadbed
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Abstract
The utility model discloses a new and old roadbed widening splicing structure convenient for construction, which comprises an old roadbed base body and a new roadbed base body matched with the old roadbed base body, wherein the new roadbed base body is made of concrete materials, a supporting steel plate is arranged on the lower side of the new roadbed base body, steel nail sleeves are welded on the lower surface of the supporting steel plate in a symmetrical distribution manner, vertical ground-entering rods in a vertical distribution manner are arranged at four corners of the supporting steel plate, embedded steel nails in a horizontal distribution manner are arranged inside each group of steel nail sleeves, the tail ends of each group of embedded steel nails extend to the inside of the old roadbed base body, the upper surfaces of the old roadbed base body and the new roadbed base body are positioned on the same horizontal plane, and connecting seam grooves are uniformly distributed on the upper surfaces of the old roadbed base body and the new roadbed base body. The utility model adopts the embedded steel nails and the vertical ground penetrating rods to combine the new roadbed and the old roadbed, thereby realizing the widening of the new roadbed and the old roadbed, facilitating the construction and reducing the deposition diseases between the new roadbed and the old roadbed.
Description
Technical Field
The utility model relates to the technical field of roadbed maintenance, in particular to a widening and splicing structure of a new roadbed and an old roadbed, which is convenient to construct.
Background
The roadbed is a foundation of a track or a road surface and is a geotechnical structure formed by excavation or filling, the roadbed mainly has the functions of providing necessary conditions for track or road surface laying and train or traveling operation, bearing static load and dynamic load of the track and rolling stock or road surface and traffic load, and simultaneously transmitting and diffusing the load to the deep part of the foundation, and on the longitudinal section, the roadbed must ensure the required elevation of a line; on the plane, the roadbed, the bridge and the tunnel are connected to form a complete through line, and the roadbed plays an important role in construction quantity, floor area and investment in civil engineering.
In the case of a roadbed operating for a long time, related maintenance functions need to be performed on an old roadbed in order to improve traffic volume or maintain normal operation of the roadbed, for example, at a curve of a normal road, a smaller cross street width at the curve can cause a potential safety hazard, so that widening operation can be performed on the roadbed at the curve of the road.
In the existing roadbed widening operation, structures such as concrete are filled again on the basis of the original roadbed, so that the roadbed widening effect is achieved, but the original roadbed reaches the maximum deposition amount in the long-term operation period, and in the process of laying a new roadbed, a large deposition difference exists between the new roadbed and an old roadbed, so that roadbed diseases are easy to occur at the junction of the new roadbed and the old roadbed, and therefore, in order to solve the problems, a new and old roadbed widening splicing structure convenient for construction is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a new and old roadbed widening splicing structure convenient to construct.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a splicing structure is widened to new and old road bed convenient to construction, including old road base body and the new road base body that cooperates old road base body to set up, the new road base body is the concrete material, and the new road base body downside is provided with the supporting steel plate, the supporting steel plate lower surface is the symmetrical distribution welding and has the steel nail cover, and the four corners position of the supporting steel plate has vertical ground entering poles that are vertical distribution, the inside of every group of steel nail cover all is provided with the embedding steel nail that is horizontal distribution, every group of embedding steel nail end extends to the inside of old road base body;
the upper surface of old way basic body and new way basic body is in same horizontal plane, just the upper surface of old way basic body and new way basic body all is evenly distributed and has seted up the connection joint groove, the inside connection billet that is provided with of connection joint inslot, the equal fixed mounting of connection billet both ends lower extreme central point has the connection steel nail, the connection steel nail lower extreme extends to the inside of old way basic body and new way basic body respectively.
Preferably, the supporting steel plates are uniformly distributed along the length of the old road basic body, and the two ends of each supporting steel plate are respectively provided with a connecting plate groove which is matched with each other.
Preferably, half-moon ring steel rings are arranged at the joints of the vertical ground entering rods and the supporting steel plates, and the half-moon ring steel rings are welded with the supporting steel plates and the vertical ground entering rods.
Preferably, a partition plate is arranged outside the supporting steel plate, a hollow opening is formed in the center point of the supporting steel plate, and the upper surface of the partition plate and the upper surface of the new road are basically in the same horizontal plane.
Preferably, each group of the connecting steel bars are obliquely distributed.
The utility model provides a new and old roadbed widening splicing structure convenient for construction, which has the beneficial effects that:
1. in the structure, the support steel plates are connected by embedded steel nails, the support steel plates are supported by vertical ground rods, and the new roadbed is manufactured by concrete materials, so that the combined installation between the new roadbed and the old roadbed is realized, and the construction difficulty is reduced in the construction process;
2. in the roadbed widening operation, a plurality of supporting steel plates are arranged at positions needing construction to serve as main structures for supporting a new roadbed, and half-moon ring steel rings are welded to fix the supporting steel plates by vertical ground entering rods, so that the deposition difference between the new roadbed and the old roadbed is reduced, and the subsequent deposition diseases are reduced;
3. the inclined connecting steel bars are arranged, so that the combination stability between the old and the new roadbed is realized, and the bonding force between the old and the new roadbed is increased.
Drawings
Fig. 1 is a schematic structural diagram of a new and old roadbed widening splicing structure convenient for construction according to the utility model;
fig. 2 is a schematic structural view of a supporting steel plate component of a new and old roadbed widening splicing structure convenient for construction according to the utility model;
fig. 3 is a bottom view of fig. 2 of a new and old roadbed widening splicing structure convenient for construction according to the utility model.
In the figure: 1. old road basic body; 2. a new road base body; 3. a vertical ground rod; 4. a partition plate; 5. embedding a steel nail; 6. a half-moon ring steel ring; 7. a support steel plate; 8. an air interface; 9. a connecting plate slot; 10. a steel nail sleeve; 11. connecting steel bars; 12. connecting the seam grooves; 13. and (5) connecting the steel nails.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, a splicing structure is widened to new and old road bed convenient to construct, including old road basic body 1 and new road basic body 2 that cooperates old road basic body 1 to set up, new road basic body 2 is concrete material, and the new road basic body 2 underside is provided with supporting steel plate 7, the supporting steel plate 7 lower surface is the symmetrical distribution welding and has steel nail cover 10, and the four corners position of supporting steel plate 7 has vertical ground penetrating bar 3 that presents vertical distribution, the inside of each group of steel nail cover 10 has embedded steel nails 5 that present horizontal distribution, the end of each group of embedded steel nails 5 extends to the inside of old road basic body 1;
the upper surfaces of an old road basic body 1 and a new road basic body 2 are positioned at the same horizontal plane, the upper surfaces of the old road basic body 1 and the new road basic body 2 are uniformly distributed and provided with connecting seam grooves 12, connecting steel bars 11 are arranged inside the connecting seam grooves 12, the central points of the lower ends of the two ends of the connecting steel bars 11 are fixedly provided with connecting steel nails 12, the lower ends of the connecting steel nails 12 respectively extend to the inside of the old road basic body 1 and the new road basic body 2, supporting steel plates 7 are uniformly distributed along the length of the old road basic body 1, the two ends of the supporting steel plates 7 are respectively provided with connecting plate grooves 9 which are matched with each other, the joints of the vertical ground rods 3 and the supporting steel plates 7 are respectively provided with half-moon-ring steel rings 6, the half-moon-ring steel rings 6 are welded with the supporting steel plates 7 and the vertical ground rods 3, the outside of the supporting steel plates 7 is provided with a partition plate 4, the central point of the supporting steel plates 7 is provided with an empty opening 8, the upper surface of the partition plate 4 is positioned at the same horizontal plane as the upper surface of the new road basic body 2, each group of the connecting steel bars 11 are obliquely distributed.
In the construction process, firstly, holes matched with the embedded steel nails 5 are drilled on the old road basic body 1 according to the arrangement distance of the two steel nail sleeves 10, so that the embedded steel nails 5 can completely extend into the old road basic body 1;
then, connecting supporting steel plates 7 through embedded steel nails 5, connecting a plurality of supporting steel plates 7 through connecting plate grooves 9, arranging four vertical ground rods 3 on the supporting steel plates 7, enabling the lower ends of the vertical ground rods 3 to completely extend to the ground, adjusting the levelness of the supporting steel plates 7 through the vertical ground rods 3, welding a plurality of half-moon ring steel rings 6 at the connecting positions of the vertical ground rods 3 and the supporting steel plates 7, and arranging a partition plate 4 outside the supporting steel plates 7;
and finally, pouring concrete slurry along the supporting steel plates 7 and the partition plates 4, after the concrete slurry is completely hardened to form a new road basic body 2, forming connecting seam grooves 12 in the new road basic body 2 and the old road basic body 1, drilling holes matched with connecting steel nails 13 at two ends of the connecting seam grooves 12, then putting the connecting steel bars 11 into the connecting seam grooves 12, and connecting the new road basic body 2 and the old road basic body 1 through the connecting steel nails 13.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a mosaic structure is widened to new and old road bed convenient to construction, includes new road base body (2) that old road base body (1) of old road base body (1) set up of old road base body (1), its characterized in that, new road base body (2) are concrete material, just new road base body (2) downside is provided with supporting steel plate (7), the welding of supporting steel plate (7) lower surface is symmetric distribution has steel nail cover (10), and the four corners position of supporting steel plate (7) is provided with vertical ground pole (3) of going into that are vertical distribution, every group the inside of steel nail cover (10) all is provided with embedding steel nail (5) that are horizontal distribution, every group embedding steel nail (5) end extends to the inside of old road base body (1);
the upper surface of old way basic body (1) and new way basic body (2) is in same horizontal plane, just the upper surface of old way basic body (1) and new way basic body (2) all is evenly distributed and has seted up connection slot (12), connection slot (12) inside is provided with connects billet (11), connect billet (11) both ends lower extreme central point equal fixed mounting has connection steel nail (13), connect steel nail (13) lower extreme and extend to the inside of old way basic body (1) and new way basic body (2) respectively.
2. The new and old roadbed widening splicing structure convenient for construction according to claim 1, wherein the supporting steel plates (7) are uniformly distributed along the length of the old roadbed base body (1), and two ends of each supporting steel plate (7) are respectively provided with connecting plate grooves (9) which are matched with each other.
3. The new and old roadbed widening splicing structure convenient for construction according to claim 1, wherein the joints of the vertical ground entering rods (3) and the supporting steel plates (7) are respectively provided with a half-moon ring steel ring (6), and the half-moon ring steel rings (6) are welded with the supporting steel plates (7) and the vertical ground entering rods (3).
4. The new and old roadbed widening splicing structure convenient for construction according to claim 1, wherein a clapboard (4) is arranged outside the supporting steel plate (7), a hollow (8) is arranged at the center point of the supporting steel plate (7), and the upper surface of the clapboard (4) is at the same level with the upper surface of the new roadbed basic body (2).
5. The widening and splicing structure for new and old road beds convenient for construction according to claim 1, wherein each group of the connecting steel bars (11) is distributed diagonally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121641413.XU CN215482020U (en) | 2021-07-19 | 2021-07-19 | Splicing structure is widened to new and old road bed convenient to construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121641413.XU CN215482020U (en) | 2021-07-19 | 2021-07-19 | Splicing structure is widened to new and old road bed convenient to construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215482020U true CN215482020U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121641413.XU Active CN215482020U (en) | 2021-07-19 | 2021-07-19 | Splicing structure is widened to new and old road bed convenient to construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215482020U (en) |
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2021
- 2021-07-19 CN CN202121641413.XU patent/CN215482020U/en active Active
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