River high retaining wall section road embankment widening and splicing structure
By adopting a new road embankment structure and widening the embankment with lightweight soil in the riverside section, and combining it with the expansion and reinforcement of the high retaining wall with the expansion and reinforcement plate anchoring components, the problem of roadbed splicing in the riverside section of the expressway reconstruction and expansion was solved, which improved stability and safety, while protecting the river and the ecological environment.
Patent Information
- Application Number
- CN202423139177.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-19
AI Technical Summary
In the reconstruction and expansion of expressways, the roadbed splicing of riverside sections faces the problems of complex geological conditions and high retaining wall defects. Traditional reinforcement methods are difficult to meet the high requirements of stability and safety of modern expressways. At the same time, it is necessary to achieve high retaining wall reinforcement and highway widening without changing the river channel.
The new road embankment structure is adopted, including a concrete base platform and pile foundation to reinforce the original embankment high retaining wall. The embankment is widened with lightweight soil and the expansion support plate anchoring component is combined to enhance the structural stability. The safety is improved by the lightweight soil side concrete retaining plate and concrete guardrail.
It achieves stability and safety after road widening, protects river channels and the ecological environment, saves land, has economic and environmental benefits, and is easy to construct.
Smart Images
Figure CN223660530U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to road engineering technical field especially relates to a river approach embankment widening splicing structure. BACKGROUND
[0002] In the highway reconstruction and expansion project, the roadbed splicing is a crucial task. Especially in the river approach section, due to the complex geological conditions, combined with the original high retaining wall disease, the roadbed splicing work faces many challenges. The traditional reinforcement method often fails to meet the high requirements of modern highway on stability and safety. At the same time, considering the demand of land saving and ecological protection, how to realize the reinforcement of high retaining wall and the widening of road under the premise of not changing the river course has become a problem to be solved. CONTENT OF THE UTILITY MODEL
[0003] The utility model solves the technical problem that the above background technology mentioned in the background technology is overcome and the river approach high retaining wall section road embankment widening splicing structure for reinforcing the river approach disease high retaining wall and widening the road is provided.
[0004] To solve the above technical problem, the technical scheme provided by the utility model is:
[0005] A river approach high retaining wall section road embankment widening splicing structure, including mutually spliced new road embankment and original road embankment, the new road embankment is arranged on the side of the original road embankment close to the river course, the original road embankment includes original embankment filling soil and original embankment high retaining wall, the original embankment high retaining wall is arranged close to the river course, the new road embankment includes new support structure and new embankment structure, the new support structure is arranged close to the original embankment high retaining wall and extends to the foundation of the river course below, the new embankment structure is located above the new support structure, and the new embankment structure is connected with the original embankment filling soil and original embankment high retaining wall.
[0006] In the road embankment widening splicing structure of the high retaining wall section near the river, preferably, the newly-built supporting structure comprises a concrete base bearing platform and a plurality of pile foundations arranged longitudinally along the outside of the original embankment high retaining wall, the pile foundations are arranged in the foundation of the river, the concrete base bearing platform is arranged on the pile foundations, and the concrete base bearing platform is arranged close to the original embankment high retaining wall. The diameter of the pile foundation can be 1 meter, and the center distance can be 4 meters, which is convenient for construction and can effectively enhance the stability of the structure. The pile foundation can be driven into the original riverbed foundation within the range of the slope protection road. The concrete base bearing platform is arranged at the top of the pile foundation, which is 2 meters higher than the toe of the original embankment high retaining wall, thereby providing a solid support for the light soil widened embankment. By arranging the concrete base bearing platform and the pile foundation, not only is the construction convenient, but also the sliding or overturning of the original embankment high retaining wall is effectively prevented, thereby further enhancing the stability thereof. Overall, by arranging the pile foundation and the concrete base bearing platform, the overall stability of the structure is further enhanced, thereby ensuring the safety and reliability of the widened road.
[0007] In the road embankment widening splicing structure of the high retaining wall section near the river, preferably, the newly-built supporting structure comprises a concrete base bearing platform and a plurality of pile foundations arranged longitudinally along the outside of the original embankment high retaining wall, the pile foundations are arranged in the foundation of the river, the concrete base bearing platform is arranged on the pile foundations, and the concrete base bearing platform is arranged close to the original embankment high retaining wall. The diameter of the pile foundation can be 1 meter, and the center distance can be 4 meters, which is convenient for construction and can effectively enhance the stability of the structure. The pile foundation can be driven into the original riverbed foundation within the range of the slope protection road. The concrete base bearing platform is arranged at the top of the pile foundation, which is 2 meters higher than the toe of the original embankment high retaining wall, thereby providing a solid support for the light soil widened embankment. By arranging the concrete base bearing platform and the pile foundation, not only is the construction convenient, but also the sliding or overturning of the original embankment high retaining wall is effectively prevented, thereby further enhancing the stability thereof. Overall, by arranging the pile foundation and the concrete base bearing platform, the overall stability of the structure is further enhanced, thereby ensuring the safety and reliability of the widened road.
[0008] In the road embankment widening splicing structure of the high retaining wall section near the river, preferably, the newly-built supporting structure comprises a concrete base bearing platform and a plurality of pile foundations arranged longitudinally along the outside of the original embankment high retaining wall, the pile foundations are arranged in the foundation of the river, the concrete base bearing platform is arranged on the pile foundations, and the concrete base bearing platform is arranged close to the original embankment high retaining wall. The diameter of the pile foundation can be 1 meter, and the center distance can be 4 meters, which is convenient for construction and can effectively enhance the stability of the structure. The pile foundation can be driven into the original riverbed foundation within the range of the slope protection road. The concrete base bearing platform is arranged at the top of the pile foundation, which is 2 meters higher than the toe of the original embankment high retaining wall, thereby providing a solid support for the light soil widened embankment. By arranging the concrete base bearing platform and the pile foundation, not only is the construction convenient, but also the sliding or overturning of the original embankment high retaining wall is effectively prevented, thereby further enhancing the stability thereof. Overall, by arranging the pile foundation and the concrete base bearing platform, the overall stability of the structure is further enhanced, thereby ensuring the safety and reliability of the widened road.
[0009] In the road embankment widening splicing structure of the high retaining wall section near the river, preferably, the newly-built supporting structure comprises a concrete base bearing platform and a plurality of pile foundations arranged longitudinally along the outside of the original embankment high retaining wall, the pile foundations are arranged in the foundation of the river, the concrete base bearing platform is arranged on the pile foundations, and the concrete base bearing platform is arranged close to the original embankment high retaining wall. The diameter of the pile foundation can be 1 meter, and the center distance can be 4 meters, which is convenient for construction and can effectively enhance the stability of the structure. The pile foundation can be driven into the original riverbed foundation within the range of the slope protection road. The concrete base bearing platform is arranged at the top of the pile foundation, which is 2 meters higher than the toe of the original embankment high retaining wall, thereby providing a solid support for the light soil widened embankment. By arranging the concrete base bearing platform and the pile foundation, not only is the construction convenient, but also the sliding or overturning of the original embankment high retaining wall is effectively prevented, thereby further enhancing the stability thereof. Overall, by arranging the pile foundation and the concrete base bearing platform, the overall stability of the structure is further enhanced, thereby ensuring the safety and reliability of the widened road.
[0010] In the road embankment widening splicing structure of the high retaining wall section near the river, preferably, the new road embankment structure further comprises a new road pavement structure layer on the concrete guardrail / light soil overlay panel integrated structure, and the new road pavement structure layer and the upper surface of the original embankment filling soil body are arranged flush.
[0011] The concrete guardrail / light soil overlay panel integrated structure is arranged on the top of the light soil widened embankment, which not only has the function of beautifying the landscape, but also effectively prevents vehicles from running off the road and ensures driving safety. Meanwhile, the new road pavement structure layer is arranged on the uppermost layer of the light soil widened embankment to complete the pavement paving work of the highway expansion project.
[0012] In the road embankment widening splicing structure of the high retaining wall section near the river, preferably, a reinforcing structure is arranged between the new road embankment and the original road embankment to increase the stability of the original embankment high retaining wall and the light soil widened embankment.
[0013] In the road embankment widening splicing structure of the high retaining wall section near the river, preferably, the reinforcing structure comprises an extruded branch disc anchoring assembly and a pull rod, the extruded branch disc anchoring assembly is anchored between the original embankment high retaining wall and the natural foundation, one end of the pull rod is connected with the extruded branch disc anchoring assembly, and the other end is anchored in the light soil widened embankment.
[0014] In the road embankment widening splicing structure of the high retaining wall section near the river, preferably, the extruded branch disc anchoring assembly and the pull rod are both arranged with multiple in the length direction and / or the height direction of the original embankment high retaining wall. Multiple arrangements can further improve the effect, and the specific data can be optimized according to the on-site construction situation.
[0015] Because the original embankment high retaining wall is adjacent to the river channel, and the base is eroded by river erosion in some paragraphs, the foundation is exposed, which seriously affects the stability of the original embankment high retaining wall and the original embankment filling soil. In the utility model, the reinforcing structure can be used to increase the stability of the original embankment high retaining wall and the light soil widened embankment. Specifically, the extruded branch plate anchoring assembly is used to improve the anchoring force of the original embankment high retaining wall in the soft soil layer, and the pull rod is used to increase the stability of the light soil widened embankment. In use, the following structure can be used: the large end of the extruded branch plate anchoring assembly is arranged in the natural foundation, and the other end is anchored to the outside of the original embankment high retaining wall, that is, the end close to the river channel. One end of the pull rod is anchored to the anchoring end of the extruded branch plate anchoring assembly on the original embankment high retaining wall, and the other end is anchored to the light soil side concrete baffle. In this way, the extruded branch plate anchoring assembly benefits from the extruded branch plate design of the anchoring end and can provide much higher anchoring force in the soft soil layer than the ordinary anchoring system. The strength of the original embankment high retaining wall is reinforced by the assembly, which can significantly improve its stability. At the same time, the design of the pull rod not only facilitates the construction of the light soil widened embankment, but also ensures the stability of the formed light soil widened embankment.
[0016] In the above-mentioned river high retaining wall section road embankment widening splicing structure, preferably, the side of the original embankment high retaining wall close to the river channel is further provided with an original slope protection road, and the newly-built supporting structure is arranged at the original slope protection road. The width of the slope protection road can be about 3 meters, which can protect the original embankment high retaining wall.
[0017] In the highway expansion project, the problem of difficult roadbed splicing construction is faced, especially when the embankment is adjacent to the river channel, the problem is more prominent. The utility model provides a splicing structure for reinforcing the river disease high retaining wall and widening the road to meet the urgent needs of highway expansion. The river high retaining wall section road embankment widening splicing structure of the utility model is located on the natural foundation. The components are introduced as follows:
[0018] Natural foundation: as the basis of the whole structure, it provides stable support.
[0019] Original embankment filling soil: located on one side of the original embankment high retaining wall, it needs to be stable to support the structure above.
[0020] Original embankment high retaining wall: in order to save land and protect the river channel, the original embankment high retaining wall with a height of 10 meters is adopted in the prior art, and has been treated by slope collection, still needs to be reinforced, and there is a risk of sliding and overturning.
[0021] Extruded branch plate anchoring assembly: arranged inside or outside the original embankment high retaining wall, providing strong anchoring force through the extruded branch plate to enhance the stability of the original embankment high retaining wall.
[0022] Pull rod: connects the extruded branch anchor assembly and the lightweight soil side concrete baffle, ensuring the stability of the lightweight soil widened embankment.
[0023] Lightweight soil side concrete baffle: used to prevent lateral deformation of the lightweight soil widened embankment.
[0024] Concrete base bearing platform: provided at the top of the pile foundation, providing stable support for the lightweight soil widened embankment.
[0025] Pile foundation: driven into the original riverbed foundation, arranged longitudinally along the outside of the original embankment high retaining wall, enhancing the overall stability of the structure.
[0026] River channel: located next to the outside of the revetment, which needs to be kept in its original state without being affected.
[0027] Concrete guardrail / lightweight soil overlay panel integrated structure: provided at the top of the lightweight soil widened embankment, providing safety protection and beautification functions.
[0028] Newly built road pavement structure layer: provided at the uppermost layer of the lightweight soil widened embankment, forming a complete highway pavement.
[0029] Lightweight soil widened embankment: using lightweight soil material to widen the highway, reducing the load on the foundation.
[0030] Revetment: located outside the original embankment high retaining wall, where the pile foundation and concrete base bearing platform can be located.
[0031] Compared with the prior art, the advantages of the present utility model are:
[0032] The river-proximate high retaining wall section road embankment widening splicing structure of the present utility model realizes the widening of the road, the widened road has strong stability, not only reinforces the original embankment high retaining wall, but also protects the river channel and the original embankment filling soil, saves land, protects the ecological environment, has remarkable economic and environmental protection benefits, realizes the win-win of economic benefits and environmental protection benefits. At the same time, it also has the advantages of stable structure, convenient construction, etc. The present utility model conforms to the background situation of current highway reconstruction and expansion, successfully solves many technical problems, and has wide popularization significance. BRIEF DESCRIPTION OF DRAWINGS
[0033] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are some embodiments of the present utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.
[0034] Figure 1 It is a structural schematic view of the river-proximate high retaining wall section road embankment widening splicing structure of the present utility model.
[0035] Legend
[0036] 1. Natural foundation; 2. Original embankment fill soil; 3. Original embankment retaining wall; 4. Expansion and expansion support anchor components; 5. Tie rod; 6. Lightweight soil side concrete retaining plate; 7. Concrete base cap; 8. Pile foundation; 9. River channel; 10. Concrete guardrail / lightweight soil overlay panel integrated structure; 11. New road pavement structure layer; 12. Lightweight soil widened embankment; 13. Original slope protection road. Detailed Implementation
[0037] To facilitate understanding of this utility model, it will be described more comprehensively and in detail below with reference to the accompanying drawings and preferred embodiments. However, the scope of protection of this utility model is not limited to the following specific embodiments.
[0038] It should be noted that when a component is described as being "fixed to, attached to, connected to or connected to" another component, it can be directly fixed to, attached to, connected to or connected to the other component, or it can be indirectly fixed to, attached to, connected to or connected to the other component through other intermediate connectors.
[0039] Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by those skilled in the art. The technical terms used herein are for the purpose of describing particular embodiments only and are not intended to limit the scope of protection of this invention.
[0040] Unless otherwise specified, all raw materials, reagents, instruments and equipment used in this invention can be purchased from the market or prepared by existing methods.
[0041] Example:
[0042] like Figure 1 As shown, the road embankment widening and splicing structure of the river-adjacent high retaining wall section in this embodiment includes a newly constructed road embankment and an original road embankment spliced together. The newly constructed road embankment is located on the side of the original road embankment closer to the river channel 9. The original road embankment includes the original embankment fill soil 2 and the original embankment high retaining wall 3, which is located close to the river channel 9. The newly constructed road embankment includes a newly constructed support structure and a newly constructed embankment structure. The newly constructed support structure is located close to the original embankment high retaining wall 3 and extends below into the foundation of the river channel 9. The newly constructed embankment structure is located above the newly constructed support structure and is connected to the original embankment fill soil 2 and the original embankment high retaining wall 3.
[0043] In the embodiment, the newly-built supporting structure comprises a concrete base slab 7 and a plurality of pile foundations 8 arranged longitudinally along the outer side of the original embankment high retaining wall 3, the pile foundations 8 are arranged in the foundation of the river 9, the concrete base slab 7 is arranged on the pile foundations 8, and the concrete base slab 7 is arranged close to the original embankment high retaining wall 3. The specific structure of the pile foundations 8 is not limited, and the number is not limited, which can be selected according to the site construction condition.
[0044] In the embodiment, the newly-built embankment structure comprises a light soil widened embankment 12, the light soil widened embankment 12 is arranged above the concrete base slab 7 of the newly-built supporting structure, and the light soil widened embankment 12 is arranged close to the original embankment filling soil body 2 and the original embankment high retaining wall 3.
[0045] In the embodiment, the side close to the river 9 of the light soil widened embankment 12 is in a stepped shape, and the side close to the river 9 of the light soil widened embankment 12 is provided with a light soil side concrete baffle 6.
[0046] In the embodiment, the newly-built embankment structure further comprises a concrete guardrail / light soil overlying panel integrated structure 10 arranged on the light soil widened embankment 12, the concrete guardrail / light soil overlying panel integrated structure 10 is fixedly connected with the upper part of the light soil widened embankment 12, and one end of the concrete guardrail / light soil overlying panel integrated structure 10 extends into the original embankment filling soil body 2.
[0047] In the embodiment, the newly-built embankment structure further comprises a newly-built road pavement structure layer 11 arranged on the concrete guardrail / light soil overlying panel integrated structure 10, and the newly-built road pavement structure layer 11 and the upper surface of the original embankment filling soil body 2 are arranged flush.
[0048] In the embodiment, the newly-built road embankment and the original road embankment are provided with a reinforcing structure for increasing the stability of the original embankment high retaining wall 3 and the light soil widened embankment 12.
[0049] Specifically, in the embodiment, the reinforcing structure comprises an extruded supporting disc anchoring assembly 4 and a pull rod 5, the extruded supporting disc anchoring assembly 4 is anchored between the original embankment high retaining wall 3 and the natural foundation 1, one end of the pull rod 5 is connected with the extruded supporting disc anchoring assembly 4, and the other end is anchored on the light soil side concrete baffle 6. The extruded supporting disc anchoring assembly 4 can adopt a conventional device in the prior art, the extruded supporting disc of which is arranged in the natural foundation 1, and the other end is anchored on the outer side of the original embankment high retaining wall 3, one end of the pull rod 5 is connected with the anchoring end of the extruded supporting disc anchoring assembly 4 on the outer side of the original embankment high retaining wall 3, and the other end is anchored on the outside of the light soil side concrete baffle 6.
[0050] In the embodiment, the extruded supporting disc anchoring assembly 4 and the pull rod 5 are both arranged with a plurality of extruded supporting disc anchoring assemblies 4 and pull rods 5 in the length direction and / or the height direction of the original embankment high retaining wall 3. For example Figure 1As shown in the figure, two are arranged along the height direction of the original embankment high retaining wall 3, and in other embodiments, more numbers can also be arranged.
[0051] In this embodiment, the original embankment high retaining wall 3 is also provided with an original slope protection path 13 near the river 9, and the new support structure is arranged at the original slope protection path 13.
[0052] The river-proximal high retaining wall section road embankment widening splicing structure of the embodiment realizes the widening of the road, the stability of the widened road is strong, the original embankment high retaining wall 3 is not only reinforced, but also the river 9 and the original embankment filling soil 2 are protected, land is saved, the ecological environment is protected, and remarkable economic and environmental benefits are achieved, realizing the win-win of economic benefits and environmental benefits.
[0053] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A road embankment widening splicing structure of a river-proximal high retaining wall section, characterized by, The new road embankment and the original road embankment are spliced with each other, the new road embankment is arranged on one side of the original road embankment close to a river (9), the original road embankment comprises an original embankment filling soil body (2) and an original embankment high retaining wall (3), the original embankment high retaining wall (3) is arranged close to the river (9), the new road embankment comprises a new supporting structure and a new embankment structure, the new supporting structure is arranged close to the original embankment high retaining wall (3) and extends into the foundation of the river (9) below, and the new embankment structure is arranged above the new supporting structure and is connected with the original embankment filling soil body (2) and the original embankment high retaining wall (3).
2. The river approach high retaining wall section road embankment widening splicing structure according to claim 1, characterized in that, The new supporting structure comprises a concrete base bearing platform (7) and a plurality of pile foundations (8) arranged longitudinally along the outer side of the original embankment high retaining wall (3), the pile foundations (8) are arranged in the foundation of the river (9), the concrete base bearing platform (7) is arranged on the pile foundations (8), and the concrete base bearing platform (7) is arranged close to the original embankment high retaining wall (3).
3. The river approach high retaining wall section road embankment widening splicing structure according to claim 1, characterized in that, The new embankment structure comprises a light soil widened embankment (12), the light soil widened embankment (12) is arranged above the new supporting structure, and the light soil widened embankment (12) is arranged close to the original embankment filling soil body (2) and the original embankment high retaining wall (3).
4. The river approach high retaining wall section road embankment widening splicing structure according to claim 3, characterized in that, The light soil widened embankment (12) is arranged in a stepped manner on one side close to the river (9), and the light soil widened embankment (12) is provided with a light soil side concrete baffle (6) on one side close to the river (9).
5. The river approach high retaining wall section road embankment widening splicing structure according to claim 3, characterized in that, The new embankment structure further comprises a concrete guardrail / light soil overlying panel integrated structure (10) arranged on the light soil widened embankment (12), the concrete guardrail / light soil overlying panel integrated structure (10) is fixedly connected with the upper portion of the light soil widened embankment (12), and one end of the concrete guardrail / light soil overlying panel integrated structure (10) extends into the original embankment filling soil body (2).
6. The river approach high retaining wall section road embankment widening splicing structure according to claim 5, characterized in that, The new embankment structure further comprises a new road pavement structure layer (11) arranged on the concrete guardrail / light soil overlying panel integrated structure (10), and the new road pavement structure layer (11) and the upper surface of the original embankment filling soil body (2) are arranged in a flush manner.
7. The riverwall segment road embankment widening splicing structure according to any one of claims 3-6, characterized in that, The new road embankment and the original road embankment are provided with a reinforcing structure for increasing the stability of the original embankment high retaining wall (3) and the light soil widened embankment (12).
8. The river approach high retaining wall section road embankment widening splicing structure according to claim 7, characterized in that, The reinforcing structure comprises an extruded supporting disc anchoring assembly (4) and a pull rod (5), the extruded supporting disc anchoring assembly (4) is arranged between the original embankment high retaining wall (3) and the natural foundation (1), one end of the pull rod (5) is connected with the extruded supporting disc anchoring assembly (4), and the other end of the pull rod (5) is anchored in the light soil widened embankment (12).
9. The river approach high retaining wall section road embankment widening splicing structure according to claim 8, characterized in that, The extruded supporting disc anchoring assembly (4) and the pull rod (5) are arranged in a plurality of manners in the length direction and / or the height direction of the original embankment high retaining wall (3).
10. The river approach high retaining wall section road embankment widening splicing structure according to any one of claims 1-6, characterized in that, The original embankment high retaining wall (3) is further provided with an original slope protection path (13) near one side of the river (9), and the newly-built supporting structure is arranged at the original slope protection path (13).