Road structure on inclined bedrock surface
By using a combination of concrete roadbed, steel mesh, anchor cables and PVC drainage pipes on sloping bedrock, the instability and safety of roads on sloping bedrock were solved, and the stability and safety of roads were improved, making them adaptable to traffic flow and harsh environments.
Patent Information
- Application Number
- CN202422922180.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Constructing roads on sloping bedrock presents instability and safety hazards, makes it difficult to meet the quality and safety requirements of increased traffic flow, and necessitates adapting to harsh environmental conditions.
The road adopts a combined structure of concrete subgrade, steel mesh, anchor cables and PVC drainage pipes. The steel mesh is fixed by anchor cables and grooves are set on the bedrock line to enhance the friction and stability between the road and the rock surface, and the internal moisture is removed by drainage pipes.
It improves the stability and safety of roads on sloping bedrock surfaces, prevents disasters such as landslides and collapses, extends service life, and adapts to traffic demands and harsh environments.
Smart Images
Figure CN223576878U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of high and steep slope road engineering, especially to a road structure on an inclined bedrock surface. BACKGROUND
[0002] In the field of road construction, especially under the topographic condition of an inclined bedrock surface, road construction has always been a challenging task. Traditional road construction methods often have many problems when facing an inclined bedrock surface.
[0003] On the one hand, the instability of the inclined bedrock surface brings great hidden dangers to the safety of the road structure. Due to the inclination angle of the bedrock, geological disasters such as landslides and collapses are prone to occur on the road, which seriously affects the service life and driving safety of the road.
[0004] On the other hand, road construction on an inclined bedrock surface needs to consider how to effectively fix the roadbed to ensure the stability and bearing capacity of the road. Traditional methods may not meet the construction needs in such special terrain, and more innovative and reliable solutions are needed.
[0005] In addition, with the increasing traffic flow, the quality and safety requirements of the road are also getting higher and higher. The road constructed on the inclined bedrock surface not only needs to withstand the weight of vehicles and the dynamic load generated by driving, but also needs to adapt to various harsh natural environmental conditions such as rain erosion and earthquakes. Based on this, we propose a road structure on an inclined bedrock surface. SUMMARY
[0006] In order to improve the above-mentioned problem that the road constructed on the inclined bedrock surface not only needs to withstand the weight of vehicles and the dynamic load generated by driving, but also needs to adapt to various harsh natural environmental conditions, the utility model provides a road structure on an inclined bedrock surface.
[0007] The utility model provides a road structure on an inclined bedrock surface, adopts the following technical scheme:
[0008] A road structure on an inclined bedrock surface, comprising a concrete roadbed, a rock mass and a road center line, the concrete roadbed is arranged inside the rock mass, the top of the bedrock line of the rock mass is provided with a steel mesh, the upper end of the inside of the concrete roadbed is connected with a first anchor cable and a second anchor cable respectively, and the first anchor cable is located above the second anchor cable, and the left end of the first anchor cable and the second anchor cable is connected with the side of the steel mesh away from the concrete roadbed.
[0009] By adopting the technical scheme, the bottom of the steel bar mesh is fixed on the bedrock line of the rock mass, and the upper end of the steel bar mesh is anchored by the first anchor cable and the second anchor cable, so that the road is more stable on the inclined bedrock surface, the friction and connection stability of the road and the rock surface are greatly increased, landslide, collapse and other disasters are prevented, and the road is safer.
[0010] Optionally, the first anchor cable and the second anchor cable have the same specification, the height of the left end of the first anchor cable and the second anchor cable is higher than the height of the right end, and the included angle between the first anchor cable and the second anchor cable and the horizontal plane is 10°.
[0011] By adopting the technical scheme, the road can withstand various loads through the cooperation of the first anchor cable and the second anchor cable, the roughening increases the friction coefficient, and the stability of the road is ensured.
[0012] Optionally, the top of the steel bar mesh is provided with a guardrail.
[0013] By adopting the technical scheme, the rock mass collapse is prevented, and the safety of pedestrians and vehicles is effectively protected.
[0014] Optionally, a groove is arranged on the bedrock line, the width of the groove is 2.5m, and after the steel bar mesh is installed, the groove has a surplus of 0.5m.
[0015] By adopting the technical scheme, the steel bar mesh is conveniently fixed and installed.
[0016] Optionally, the top of the bedrock line of the rock mass is connected with the excavation line of the rock mass.
[0017] By adopting the technical scheme, the originally difficult road repair place can also have a road, the road construction range is expanded, and the traffic demand is met.
[0018] Optionally, a plurality of groups of PVC drainage pipes are arranged in the concrete roadbed, the longitudinal section of each group of PVC drainage pipes is in the shape of a plum blossom, the PVC drainage pipes are arranged in 11 groups, and the spacing between adjacent two groups of PVC drainage pipes is 2m.
[0019] By adopting the technical scheme, the rainwater and groundwater in the rock mass can be effectively drained by the PVC drainage pipes, the accumulation of water in the rock mass is reduced, the occurrence of landslide, collapse and other natural disasters is prevented, the plum blossom-shaped design makes the PVC drainage pipes more stable during installation and less prone to deformation, and the long-term stable operation of the PVC drainage pipes is ensured.
[0020] Optionally, the concrete in the concrete roadbed is C30 concrete.
[0021] By adopting the technical scheme, the C30 concrete has a compressive strength of 30 MPa, has high bearing capacity, can resist the erosion of a harsh environment on the rock mass, and prolongs the service life of the rock mass.
[0022] Optionally, the interval between the first anchor cable and the second anchor cable is 5m, and the height between the lower end of the first anchor cable and the guardrail is 3m.
[0023] By adopting the technical scheme, the friction and connection stability of the road and the rock surface are further increased, disasters such as landslides and collapses are prevented, and the road is safer.
[0024] In summary, the utility model has at least one of the following beneficial effects:
[0025] By fixing the bottom of the steel mesh on the top of the bedrock line of the rock mass and anchoring the upper end of the steel mesh through the first anchor cable and the second anchor cable, the road can be more stable on the inclined bedrock surface, the friction and connection stability of the road and the rock surface are greatly increased, disasters such as landslides and collapses are prevented, and the road is safer.
[0026] By setting the notched groove on the bedrock line, and the width of the notched groove is set to 2.5m, when the steel mesh is installed, the notched groove has a 0.5m excess, thereby providing an accurate installation foundation for the road, ensuring the stability of the road, and prolonging the service life. BRIEF DESCRIPTION OF DRAWINGS
[0027] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.
[0028] Figure 1 It is a structural schematic diagram of the utility model;
[0029] Figure 2 It is a structural schematic diagram of the PVC drainage pipe of the utility model.
[0030] In the drawing: 1, concrete roadbed; 2, rock mass; 3, bedrock line; 4, excavation line; 5, first anchor cable; 6, second anchor cable; 7, steel mesh; 8, guardrail; 9, road center line; 10, PVC drainage pipe. DETAILED DESCRIPTION
[0031] The following will be combined with the drawings Figures 1-2 The utility model will be further described in detail.
[0032] Please refer to the drawings in the specification Figure 1The utility model provides an embodiment: a road structure on the inclined bedrock surface, including concrete roadbed 1, rock mass 2 and road center line 9, concrete roadbed 1 sets up in the inside of rock mass 2, the top of bedrock line 3 of rock mass 2 is equipped with reinforced net 7, the top of reinforced net 7 is provided with guardrail 8. So as to prevent rock mass 2 collapse, effectively protect the safety of pedestrian and vehicle.
[0033] Please refer to the drawing in the specification Figure 1 And Figure 2 The inside of concrete roadbed 1 is provided with several PVC drain pipes 10, several PVC drain pipes 10 are in plum blossom shape, PVC drain pipe 10 is provided with 11, the interval between two adjacent PVC drain pipes 10 is 2m. Through PVC drain pipe 10 can effectively exclude the rainwater and groundwater in rock mass 2 inside, reduce the accumulation of moisture in rock mass 2 inside, prevent the occurrence of landslide, collapse and other natural disasters, 11 PVC drain pipes 10 are arranged in plum blossom shape, so that rock mass 2 can drain in different directions, improve the drainage speed of rock mass 2.
[0034] Please refer to the drawing in the specification Figure 1 The concrete in the inside of concrete roadbed 1 adopts C30 concrete. The compressive strength of C30 concrete is 30MPa, has higher bearing capacity, can resist the erosion of adverse environment to rock mass 2, and then prolongs the service life of rock mass 2.
[0035] Please refer to the drawing in the specification Figure 1 The interval between first anchor cable 5 and second anchor cable 6 is 5m, and the height between the lower end of first anchor cable 5 and guardrail 8 is 3m. Further increase the friction and connecting stability of road and rock surface, prevent landslide, collapse and other disasters, make the road safer.
[0036] Please refer to the drawing in the specification Figure 1 Groove is provided on bedrock line 3, and the width of the groove is 2.5m. After the installation of reinforced net 7, the groove has a surplus of 0.5m. Thus, the reinforced net 7 is conveniently fixed and installed. The bedrock line 3 of the rock mass 2 is connected with the excavation line 4 of the rock mass 2. The originally difficult road repair place can also have a road, which expands the road construction range and meets the traffic demand.
[0037] Please refer to the drawing in the specification Figure 1The upper ends of the concrete roadbed 1 are respectively connected with the first anchor cable 5 and the second anchor cable 6, the first anchor cable 5 is located above the second anchor cable 6, the first anchor cable 5 and the second anchor cable 6 are of the same specification, the heights of the left ends of the first anchor cable 5 and the second anchor cable 6 are higher than the heights of the right ends, and the included angles between the first anchor cable 5 and the second anchor cable 6 and the horizontal plane are all 10°. Through the cooperation of the first anchor cable 5 and the second anchor cable 6, the road can bear various loads, the chiseling increases the friction coefficient, and then the stability of the road is ensured. The left ends of the first anchor cable 5 and the second anchor cable 6 are connected with the side of the steel mesh 7 away from the concrete roadbed 1.
[0038] Working principle: first, the rock surface is cleaned on the bedrock line 3 of the rock mass 2, the rock mass 2 at the lowermost is chiseled, then the steel mesh 7 is laid, the bottom of the steel mesh 7 is inserted into the notch on the bedrock line 3, at the same time, the first anchor cable 5 and the second anchor cable 6 are inserted into the upper end of the rock mass 2, the steel mesh 7 is reinforced by the first anchor cable 5 and the second anchor cable 6, the guardrail 8 is arranged on the top of the steel mesh 7, which can prevent the rock mass 2 from collapsing, effectively protect the safety of pedestrians and vehicles, and the PVC drainage pipe 10 is laid in the concrete roadbed 1, which can effectively drain the rainwater and groundwater in the rock mass 2, reduce the accumulation of water in the rock mass 2, and prevent the occurrence of natural disasters such as landslides and collapses.
[0039] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.
Claims
1. A road structure on an inclined bedrock surface, comprising a concrete road bed (1), a rock mass (2) and a road centre line (9), the concrete road bed (1) being arranged inside the rock mass (2), characterised in that: The base rock line (3) of the rock mass (2) is provided with a steel bar net (7) on the top, the upper end of the concrete roadbed (1) is respectively connected with a first anchor cable (5) and a second anchor cable (6), the first anchor cable (5) is above the second anchor cable (6), and the left end of the first anchor cable (5) and the second anchor cable (6) is connected with the side of the steel bar net (7) away from the concrete roadbed (1).
2. A road structure on a sloping bedrock surface according to claim 1, characterized in that: The first anchor cable (5) and the second anchor cable (6) are of the same specification, the height of the left end of the first anchor cable (5) and the second anchor cable (6) is higher than that of the right end, and the included angle between the first anchor cable (5) and the second anchor cable (6) and the horizontal plane is 10°.
3. A road structure on a sloping bedrock surface according to claim 1, characterized in that: The top of the steel bar net (7) is provided with a guardrail (8).
4. A road structure on a sloping bedrock surface according to claim 1, characterized in that: The base rock line (3) is provided with a groove, the width of the groove is 2.5m, and after the steel bar net (7) is installed, the groove has a remaining amount of 0.5m.
5. A road structure on a sloping bedrock surface according to claim 1, characterized in that: The base rock line (3) of the rock mass (2) is connected with the excavation line (4) of the rock mass (2).
6. A road structure on a sloping bedrock surface according to claim 1, characterized in that: The concrete roadbed (1) is provided with a plurality of groups of PVC drainage pipes (10), the longitudinal section of each group of PVC drainage pipes (10) is in the shape of a plum blossom, the PVC drainage pipes (10) are provided with 11 groups, and the spacing between adjacent two groups of PVC drainage pipes (10) is 2m.
7. A road structure on a sloping bedrock surface according to claim 1, characterized in that: The concrete inside the concrete roadbed (1) adopts C30 concrete.
8. A road structure on a sloping bedrock surface according to claim 3, characterized in that: The spacing between the first anchor cable (5) and the second anchor cable (6) is 5m, and the height between the lower end of the first anchor cable (5) and the guardrail (8) is 3m.