Transverse widening and splicing structure for old cement pavement
By laying new roadbeds, reinforcement blocks and asphalt pavements on both sides of the old highway, and setting up drainage components in the reinforcement block, the problem of widening the road surface and the old highway in the renovation of the old highway is solved, improving the transformation efficiency and reducing costs .
Patent Information
- Application Number
- CN202420865715.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-04-24
AI Technical Summary
During the renovation of old highways, the unsolid connection between the widening pavement and the old highways is likely to lead to road diseases and hidden dangers, and it is not convenient to accurately lay out during the widening process, which increases the work intensity and cost of construction workers.
The old cement pavement is used to expand the splicing structure horizontally, including laying new roadbeds, reinforced blocks, gravel stabilization layers, concrete layers, vertical and cross-section steel bars and asphalt pavement on both sides of the old road, and setting up drainage components in the reinforced blocks to improve drainage effect.
It improves the efficiency and firmness of road widening, reduces gaps and drainage problems, and reduces construction costs and personnel work intensity.
Smart Images
Figure CN222349409U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of old highway reconstruction, in particular to a transverse widening and splicing structure for an old cement road surface. Background Art
[0002] The reconstruction of old cement pavement is a major technical challenge in the field of highway engineering. From the overall trend, recycling technology is the mainstream development direction. At present, the durability of the asphalt structure overlaid on the old cement road is closely related to the treatment method of the old cement pavement and the structural form of the overlaid asphalt layer. Improper treatment will cause rapid damage to the pavement structure.
[0003] However, in the process of reconstructing the old highway, the connection between the widened road surface and the old highway is not firm, which can easily lead to the occurrence of road surface diseases, causing hidden dangers in the use of the road surface, making it inconvenient for the subsequent use of the widened road surface, causing gaps between the widened road surface and the old road surface, and in the process of widening the road surface, it is not convenient to accurately pave the widened road surface, which increases the workload of construction workers and affects the efficiency and cost of road widening and reconstruction. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a transverse widening and splicing structure for an old cement pavement, which has the advantages of being convenient for widening, firm, and efficient. It solves the problem that in the process of reconstructing old roads, the connection between the widened road surface and the old road is not firm, which easily leads to the occurrence of road surface diseases, makes the road surface have hidden dangers in use, is inconvenient for the subsequent use of the widened road surface, causes a gap between the widened road surface and the old road surface, and in the process of widening the road surface, it is not convenient to accurately pave the widened road surface, increases the work intensity of construction personnel, and affects the efficiency and cost of road widening and reconstruction.
[0005] To achieve the above purpose, the utility model provides the following technical solutions: an old cement road surface transverse widening and splicing structure, comprising an old road body, the old road body is provided with a splicing mechanism outside, and is used to widen the old road body;
[0006] The splicing mechanism includes new roadbeds laid on the left and right sides of the old highway body, a reinforcement block is fixedly connected to the separated sides of the two new roadbeds, a crushed stone stabilization layer is laid on the top of the new roadbed, a concrete layer is laid on the top of the crushed stone stabilization layer, a transverse steel bar is fixedly connected inside the concrete layer, a longitudinal steel bar is fixedly connected on the top of the transverse steel bar, an asphalt pavement is laid on the concrete layer and the top of the old highway body, and a drainage component is arranged inside the reinforcement block.
[0007] By adopting the above technical solution, the problem of loose connection between the widened road and the old road during the reconstruction of the old road is solved, which easily leads to the occurrence of road diseases, and the problem of inconvenience in the precise laying of the widened road during the widening process, affecting the efficiency and cost of road expansion, is solved.
[0008] Optionally, the drainage component includes a drainage groove provided inside the reinforcement block, a filter screen is fixedly connected inside the drainage groove, and a cover plate is clamped on the top of the reinforcement block.
[0009] By adopting the above technical solution, road drainage is facilitated and road surface water accumulation is reduced.
[0010] Optionally, the internal threads of the filter screen are connected with fixing bolts, and the filter screen is fixedly connected to the reinforcement block via the fixing bolts.
[0011] By adopting the above technical solution, impurities in rainwater can be filtered and clogging can be reduced.
[0012] Optionally, a slot is provided on the top of the reinforcement block, and the cover plate is snap-connected to the reinforcement block via the slot.
[0013] By adopting the above technical solution, the drainage effect of the road surface is improved, the water accumulation on the road surface is reduced, and the driving of vehicles is facilitated.
[0014] Optionally, the old highway body includes an old roadbed and a cement pavement body, and the cement pavement body is fixedly connected to the old roadbed.
[0015] By adopting the above technical solution, the reconstruction and utilization of old roads can be facilitated, thus saving costs.
[0016] Optionally, the thickness of the crushed stone stabilization layer is five centimeters, and the thickness of the concrete layer is consistent with the thickness of the cement pavement body.
[0017] By adopting the above technical solution, road expansion is facilitated and costs are saved.
[0018] Optionally, a mounting groove is provided on one side of the reinforcement block opposite to the old road body, and the transverse reinforcement is fixedly connected to the reinforcement block and the old road body through the mounting groove.
[0019] By adopting the above technical solution, the widened road surface is reinforced, the bearing capacity of the widened road surface is increased, and the connection between the widened road surface and the old highway is facilitated.
[0020] Optionally, the thickness of the asphalt pavement is four centimeters, and the height of the asphalt pavement is greater than the height of the reinforcement block.
[0021] By adopting the above technical solution, the pavement of the old highway can be repaired, which is convenient for the reconstruction and construction of the old highway.
[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0023] The old cement pavement transversely widened splicing structure, by setting a splicing mechanism, is convenient for the connection between the expanded pavement and the old highway, is convenient for the precise paving of the expanded pavement, improves the efficiency of pavement widening, and solves the problem that in the process of reconstructing the old highway, the connection between the widened pavement and the old highway is not firm, which easily leads to the occurrence of pavement diseases, makes the pavement have hidden dangers in use, is inconvenient for the subsequent use of the widened pavement, causes a gap between the widened pavement and the old pavement, and in the process of widening the pavement, it is not convenient to precisely pave the widened pavement, increases the work intensity of construction personnel, and affects the efficiency and cost of pavement widening and reconstruction. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is a cross-sectional view of the structure of the utility model;
[0025] Figure 2 It is a partial structural stereogram of the utility model.
[0026] In the figure: 1. The main body of the old highway; 101. The old roadbed; 102. The main body of the cement pavement; 2. The new roadbed; 3. Reinforcement blocks; 301. Drainage grooves; 302. Slots; 4. Gravel stabilization layer; 5. Concrete layer; 6. Transverse steel bars; 7. Longitudinal steel bars; 8. Asphalt pavement; 9. Cover plate; 10. Filter screen; 11. Fixing bolts; 12. Installation groove. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] See also Figure 1-2 In this embodiment, an old cement road surface transverse widening and splicing structure includes an old road body 1, and a splicing mechanism is arranged outside the old road body 1 for widening the old road body 1.
[0029] See also Figure 1-2 In this embodiment, the old highway body 1 includes an old roadbed 101 and a cement pavement body 102, and the cement pavement body 102 is fixedly connected to the old roadbed 101. The cement pavement body 102 is located on the top of the old roadbed 101, the thickness of the old roadbed 101 is greater than the thickness of the cement pavement body 102, and the old roadbed 101 is supported by the cement pavement body 102.
[0030] See also Figure 1-2 The splicing mechanism includes new roadbeds 2 laid on the left and right sides of the old highway body 1, and the two new roadbeds 2 are fixedly connected to the separated sides with reinforcement blocks 3. According to the widening requirements, new roadbeds 2 of the required width are laid on the left and right sides of the old highway body 1. After the new roadbed 2 is laid, the two separated sides of the new roadbed 2 are fixedly installed with reinforcement blocks 3. A crushed stone stabilization layer 4 is laid on the top of the new roadbed 2. After the reinforcement blocks 3 are fixed, the crushed stone stabilization layer 4 is laid on the top of the new roadbed 2. The reinforcement blocks 3 limit the crushed stone stabilization layer 4 to facilitate the laying and compaction of the crushed stone stabilization layer 4.
[0031] See also Figure 1-2 , wherein a concrete layer 5 is laid on the top of the crushed stone stabilization layer 4, a transverse steel bar 6 is fixedly connected inside the concrete layer 5, a longitudinal steel bar 7 is fixedly connected to the top of the transverse steel bar 6, and a mounting groove 12 is provided on the side of the reinforcement block 3 opposite to the old road body 1, and the transverse steel bar 6 is fixedly connected to the reinforcement block 3 and the old road body 1 through the mounting groove 12. It is convenient to fix the transverse steel bar 6, and the concrete layer 5 is reinforced by the transverse steel bar 6 and the longitudinal steel bar 7, so as to increase the bearing capacity of the concrete layer 5, facilitate the lateral widening of the cement road surface, and improve the firmness of the expanded road surface.
[0032] See also Figure 1-2 , wherein the concrete layer 5 and the top of the old highway body 1 are paved with asphalt pavement 8, the thickness of the crushed stone stabilization layer 4 is five centimeters, and the thickness of the concrete layer 5 is consistent with the thickness of the cement pavement body 102. The crushed stone stabilization layer 4 is used to save costs, and the concrete layer 5 and the cement pavement body 102 support the asphalt pavement 8, which facilitates the uniform paving of the asphalt pavement 8. The thickness of the asphalt pavement 8 is four centimeters, and the height of the asphalt pavement 8 is greater than the height of the reinforcement block 3. It is convenient for drainage and reduces road surface water. The asphalt pavement 8 is laid on the top of the old highway body 1, which is convenient for repairing the road surface of the old highway body 1 and saving costs.
[0033] See also Figure 1 , wherein a drainage component is provided inside the reinforcement block 3. The drainage component includes a drainage groove 301 provided inside the reinforcement block 3, a filter screen 10 is fixedly connected inside the drainage groove 301, a fixing bolt 11 is threadedly connected inside the filter screen 10, and the filter screen 10 is fixedly connected to the reinforcement block 3 through the fixing bolt 11. The installation and removal of the filter screen 10 are convenient, and the filter screen 10 filters the rainwater entering the drainage groove 301 to reduce the blockage of the drainage groove 301. The top of the reinforcement block 3 is clamped with a cover plate 9, and a clamping groove 302 is provided on the top of the reinforcement block 3, and the cover plate 9 is clamped with the reinforcement block 3 through the clamping groove 302. The installation and removal of the cover plate 9 are convenient, and a through groove is provided inside the cover plate 9, and rainwater flows into the drainage groove 301 through the through groove to reduce road surface water.
[0034] It should be noted that by setting up a splicing mechanism, it is convenient to connect the expanded road surface with the old highway, facilitate the precise paving of the expanded road surface, improve the efficiency of road widening, and solve the problem that in the process of renovating the old highway, the connection between the widened road surface and the old highway is not firm, which easily leads to the occurrence of road diseases, makes the road surface have hidden dangers in use, is not convenient for the subsequent use of the widened road surface, causes gaps between the widened road surface and the old road surface, and in the process of widening the road surface, it is not convenient to accurately pave the widened road surface, increases the workload of construction personnel, and affects the efficiency and cost of road widening and reconstruction.
[0035] The working principle of the above embodiment is:
[0036] The old cement pavement transverse widening splicing structure, in the process of renovating the old cement pavement, according to the widening requirements, a new roadbed 2 of the required width is laid on the left and right sides of the old highway body 1, after the new roadbed 2 is laid, two sides separated from the new roadbed 2 are fixedly installed with reinforcement blocks 3, and then a crushed stone stabilization layer 4 is laid on the top of the new roadbed 2, and the reinforcement blocks 3 limit the laid crushed stone stabilization layer 4. After the crushed stone stabilization layer 4 is laid and compacted, the transverse steel bar 6 is fixedly connected to the reinforcement block 3 and the old highway body 1, and the longitudinal steel bar 7 is fixedly connected to the top of the transverse steel bar 6. After the transverse steel bar 6 and the longitudinal steel bar 7 are fixed, the concrete layer 5 is poured, and finally, the asphalt pavement 8 is laid on the top of the concrete layer 5 and the old highway body 1, so as to achieve the purpose of facilitating the connection between the widened road surface and the old highway and facilitating the widening of the old highway road surface.
Claims
1. A transverse widening and splicing structure for an old cement road surface, comprising an old road body (1), characterized in that: The old highway body (1) is provided with a splicing mechanism on the outside thereof, which is used to widen the old highway body (1); The splicing mechanism comprises new roadbeds (2) laid on the left and right sides of an old highway body (1); a reinforcement block (3) is fixedly connected to the separated sides of the two new roadbeds (2); a crushed stone stabilization layer (4) is laid on the top of the new roadbed (2); a concrete layer (5) is laid on the top of the crushed stone stabilization layer (4); a transverse steel bar (6) is fixedly connected inside the concrete layer (5); a longitudinal steel bar (7) is fixedly connected on the top of the transverse steel bar (6); an asphalt pavement (8) is laid on the top of the concrete layer (5) and the old highway body (1); and a drainage component is arranged inside the reinforcement block (3).
2. The old cement pavement transverse widening and splicing structure according to claim 1 is characterized by: The drainage assembly comprises a drainage groove (301) provided inside the reinforcement block (3), a filter screen (10) being fixedly connected inside the drainage groove (301), and a cover plate (9) being clamped on the top of the reinforcement block (3).
3. The old cement pavement transverse widening and splicing structure according to claim 2 is characterized by: The filter screen (10) is internally threadedly connected with a fixing bolt (11), and the filter screen (10) is fixedly connected to the reinforcement block (3) via the fixing bolt (11).
4. The old cement pavement transverse widening and splicing structure according to claim 2 is characterized by: A slot (302) is provided on the top of the reinforcement block (3), and the cover plate (9) is snap-connected to the reinforcement block (3) via the slot (302).
5. The old cement pavement transverse widening and splicing structure according to claim 1 is characterized by: The old highway body (1) comprises an old roadbed (101) and a cement pavement body (102), and the cement pavement body (102) is fixedly connected to the old roadbed (101).
6. The old cement pavement transverse widening and splicing structure according to claim 4 is characterized by: The thickness of the crushed stone stabilization layer (4) is five centimeters, and the thickness of the concrete layer (5) is consistent with the thickness of the cement pavement body (102).
7. The old cement pavement transverse widening and splicing structure according to claim 1 is characterized by: The reinforcement block (3) is provided with a mounting groove (12) on one side opposite to the old road body (1), and the transverse steel bar (6) is fixedly connected to the reinforcement block (3) and the old road body (1) through the mounting groove (12).
8. The old cement pavement transverse widening and splicing structure according to claim 1 is characterized by: The thickness of the asphalt pavement (8) is four centimeters, and the height of the asphalt pavement (8) is greater than the height of the reinforcement block (3).