Arrangement structure of road performance monitoring assembly in regenerative road

Abstract

The utility model discloses an arrangement structure of road performance monitoring components in a regenerative road, which comprises a surface layer measuring component and a base layer measuring component, the surface layer measuring component is arranged at the boundary of a road surface layer and a road base layer, and the base layer measuring component is arranged at the boundary of the road base layer and a road soil base; the surface layer measuring assembly comprises a first soil pressure gauge, a vertical strain gauge group and an asphalt strain gauge group; according to the utility model, comprehensive performance monitoring is accurately carried out on the surface layer and the base layer of the road in real time, and road problems are found and repaired in time, so that the service life of the regeneration road is prolonged, and the maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of road surface and subgrade detection, in particular to an arrangement structure of a road performance monitoring component in a regenerated road. Background Art

[0002] In order to increase the service life of roads and reduce maintenance costs, countries have carried out research on road performance monitoring. Especially in the field of recycled roads, real-time detection of road performance through monitoring components has become an important means to improve road quality.

[0003] The current monitoring system still has certain limitations in the application of reclaimed roads, especially in the arrangement structure of the monitoring components and the accuracy of the data. The application of existing monitoring systems in reclaimed roads may lead to inaccurate data due to unreasonable arrangement. Patent publication number CN112414460A discloses a measurement system for intelligently collecting the dynamic mechanical response of asphalt surface layers, including a sensor group, a power supply and a data collector. The sensor group is arranged at the bottom of the asphalt surface layer, and each sensor in the sensor group is arranged at a set spacing; the sensor group includes an asphalt strain gauge, a first soil pressure gauge, a vertical strain gauge and a multi-point displacement gauge. This patent is only applicable to the mechanical measurement of the asphalt surface layer and cannot be applied to the base road surface measurement. In addition, this patent cannot measure the temperature and humidity of the road surface, and has certain limitations.

[0004] Therefore, in view of the application demand of road performance monitoring components in road construction and the current research status at home and abroad, the utility model proposes a novel arrangement structure of road performance monitoring components in regenerated roads. Utility Model Content

[0005] To this end, one purpose of the present invention is to propose an arrangement structure of a road performance monitoring component in a regenerated road to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model provides an arrangement structure of a road performance monitoring component in a regenerated road, including a surface layer measurement component and a base layer measurement component, wherein the surface layer measurement component is arranged at the boundary line between the road surface layer and the road base layer, and the base layer measurement component is arranged at the boundary line between the road base layer and the road soil foundation;

[0007] The surface layer measurement assembly includes a first soil pressure gauge, a vertical strain gauge group and an asphalt strain gauge group; the asphalt strain gauge group includes a first asphalt strain gauge, a second asphalt strain gauge, a third asphalt strain gauge and a fourth asphalt strain gauge connected in sequence to form a square, the connecting line of the first asphalt strain gauge and the second asphalt strain gauge is parallel to the lane line, and the first soil pressure gauge is arranged at the center of the square;

[0008] The vertical strain gauge group includes a first vertical strain gauge and a second vertical strain gauge, and a line connecting the first vertical strain gauge and the first asphalt strain gauge, and a line connecting the second vertical strain gauge and the third asphalt strain gauge are parallel to the lane line;

[0009] The base layer measurement component includes a first concrete strain gauge arranged in the direction of the first asphalt strain gauge's positive projection, a second concrete strain gauge arranged in the direction of the second asphalt strain gauge's positive projection, a third concrete strain gauge arranged in the direction of the third asphalt strain gauge's positive projection, a fourth concrete strain gauge arranged in the direction of the fourth asphalt strain gauge's positive projection, and a second soil pressure gauge arranged in the direction of the first soil pressure gauge's positive projection.

[0010] Preferably, it further includes a first temperature sensor and a first humidity sensor, and a connecting line among the first temperature sensor, the first humidity sensor and the first soil pressure gauge is parallel to the lane line.

[0011] In any of the above solutions, it is preferred that the first temperature sensor is located between the humidity sensor and the first earth pressure gauge.

[0012] In any of the above schemes, it is preferred that the method further comprises a second temperature sensor and a second humidity sensor, wherein the second temperature sensor is arranged in the orthographic projection direction of the first temperature sensor, and the second humidity sensor is arranged in the orthographic projection direction of the first humidity sensor.

[0013] In any of the above solutions, preferably, a line connecting the first vertical strain gauge and the second vertical strain gauge is perpendicular to the lane line.

[0014] In any of the above solutions, it is preferred that a line connecting the first asphalt strain gauge and the second asphalt strain gauge coincides with a wheel track of the lane.

[0015] In any of the above solutions, preferably, the distance between the first asphalt strain gauge and the second asphalt strain gauge is 60 centimeters, and the distance between the center of the square and the lane line is 90 centimeters.

[0016] In any of the above solutions, preferably, the first vertical strain gauge is 20 centimeters away from the first asphalt strain gauge, and the second vertical strain gauge is 20 centimeters away from the second asphalt strain gauge.

[0017] In any of the above solutions, preferably, the distance between the first temperature sensor and the first earth pressure gauge is 40 centimeters.

[0018] In any of the above solutions, preferably, the distance between the first humidity sensor and the first soil pressure gauge is 60 centimeters.

[0019] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0020] 1. The arrangement structure of a road performance monitoring component of the utility model in a regenerated road can measure the performance data of the surface layer and the base layer of the regenerated road. Through reasonable arrangement design, it is ensured that the monitoring component can accurately obtain the road performance data.

[0021] 2. The utility model can monitor the temperature, humidity, longitudinal strain value, pressure value and vertical pressure value of the surface asphalt of the regenerated road, and detect the temperature, humidity, pressure value and longitudinal strain value of the base concrete, so that the detection is more comprehensive.

[0022] 3. The utility model can detect and repair road problems in time by real-time and accurate performance monitoring of the road surface and base layer, thereby extending the service life of the regenerated road and reducing maintenance costs. This structure can be applied not only to regenerated roads, but also to the performance monitoring of newly built roads and other infrastructure. It has broad application prospects and market demand, and is expected to be widely used in future road construction, which is of great significance to promoting sustainable urban development. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0024] Figure 1 The present invention is a top view of a road surface layer of an arrangement structure of a road performance monitoring component in a regenerated road according to an embodiment of the present utility model.

[0025] Figure 2 The present invention is a top view of a road base layer of an arrangement structure of a road performance monitoring component in a regenerated road according to an embodiment of the present utility model.

[0026] Figure 3 It is a front cross-sectional view of a road arrangement structure of a road performance monitoring component in a regenerated road according to an embodiment of the utility model.

[0027] Among them: 1-surface layer; 2-base layer; 3-soil base; 4-first soil pressure gauge; 5-first asphalt strain gauge; 6-second asphalt strain gauge; 7-third asphalt strain gauge; 8-fourth asphalt strain gauge; 9-lane line; 10-first vertical strain gauge; 11-second vertical strain gauge; 12-first concrete strain gauge; 13-second concrete strain gauge; 14-third concrete strain gauge; 15-fourth concrete strain gauge; 16-second soil pressure gauge; 17-first temperature sensor; 18-first humidity sensor; 19-second temperature sensor; 20-second humidity sensor; 21-central isolation zone. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0029] The pavement structure is mainly divided into three layers: the road surface layer, the road base layer, and the road soil base, which can also be called the surface layer, the base layer, and the soil base. The bottom side is the soil base, the base layer is laid above the soil base, and the surface layer is laid above the base layer. The sensor in the utility model is arranged at the junction of each layer. Recycled roads are roads that are regenerated with solid waste and used for the base layer and surface layer of the road respectively. The material of the surface layer is paved with factory-mixed hot-recycled medium-grained asphalt concrete material with a thickness of 9 cm, and the material of the base layer is paved with cement-stabilized brick-concrete type construction waste recycled aggregate inorganic mixture with a thickness of 36 cm.

[0030] like Figure 1 , Figure 2 and Figure 3 As shown, an arrangement structure of a road performance monitoring component in a regenerated road according to an embodiment of the utility model includes a surface layer 1 measurement component and a base layer 2 measurement component. The surface layer 1 measurement component is arranged at the boundary line between the road surface layer 1 and the road base layer 2, and the base layer 2 measurement component is arranged at the boundary line between the road base layer 2 and the road subgrade 3. The surface layer 1 measurement component includes a first soil pressure gauge 4, a vertical strain gauge group and an asphalt strain gauge group; the asphalt strain gauge group includes a first asphalt strain gauge 5, a second asphalt strain gauge 6, a third asphalt strain gauge 7 and a fourth asphalt strain gauge 8 connected in sequence to form a square, the line connecting the first asphalt strain gauge 5 and the second asphalt strain gauge 6 is parallel to the lane line 9, and the first soil pressure gauge 4 is arranged at the center of the square.

[0031] The vertical strain gauge group includes a first vertical strain gauge 10 and a second vertical strain gauge 11 . The line connecting the first vertical strain gauge 10 and the first asphalt strain gauge 5 , and the line connecting the second vertical strain gauge 11 and the third asphalt strain gauge 7 are parallel to the lane line 9 .

[0032] The base layer 2 measurement component includes a first concrete strain gauge 12 arranged in the orthographic projection direction of the first asphalt strain gauge 5, a second concrete strain gauge 13 arranged in the orthographic projection direction of the second asphalt strain gauge 6, a third concrete strain gauge 14 arranged in the orthographic projection direction of the third asphalt strain gauge 7, a fourth concrete strain gauge 15 arranged in the orthographic projection direction of the fourth asphalt strain gauge 8, and a second soil pressure gauge 16 arranged in the orthographic projection direction of the first soil pressure gauge 4.

[0033] The surface layer 1 measurement component is used to measure the relevant parameter values ​​of the surface layer 1, and the base layer 2 measurement component is used to measure the relevant parameter values ​​of the base layer 2. The surface layer 1 measurement component is located at the junction of the surface layer 1 and the base layer 2, and the base layer 2 measurement component is located at the junction of the base layer 2 and the soil foundation 3. The first soil pressure gauge 4 is used to measure the pressure value of the road surface layer 1, and the second soil pressure gauge 16 is used to measure the pressure value of the road base layer 2. The asphalt strain gauge group is used to measure the longitudinal strain value of the surface layer 1, and the vertical strain gauge group is used to measure the vertical pressure value of the surface layer 1. The first concrete strain gauge 12, the second concrete strain gauge 13, the third concrete strain gauge 14 and the fourth concrete strain gauge 15 are used to measure the longitudinal strain value of the base layer 2.

[0034] The first asphalt strain gauge 5, the second asphalt strain gauge 6, the third asphalt strain gauge 7 and the fourth asphalt strain gauge 8 are connected in sequence to form a square shape. The first asphalt strain gauge 5 is connected to the second asphalt strain gauge 6, the second asphalt strain gauge 6 is connected to the third asphalt strain gauge 7, the third asphalt strain gauge 7 is connected to the fourth asphalt strain gauge 8, and the fourth asphalt strain gauge 8 is connected to the first asphalt strain gauge 5. The line connecting the first asphalt strain gauge 5 and the second asphalt strain gauge 6 constitutes one side of the square and is parallel to the lane line 9. The lane line 9 is parallel to the wheel trajectory of the car on the lane. The line connecting the third asphalt strain gauge 7 and the second asphalt strain gauge 6 is perpendicular to the lane line 9. The line connecting the fourth asphalt strain gauge 8 and the third asphalt strain gauge 7 is parallel to the line connecting the first asphalt strain gauge 5 and the second asphalt strain gauge 6. The connection between the fourth asphalt strain gauge 8 and the first asphalt strain gauge 5 is parallel to the line connecting the third asphalt strain gauge 7 and the first asphalt strain gauge 5.

[0035] The first soil pressure gauge 4 is arranged at the center of a square formed by the line connecting the first asphalt strain gauge 5 to the fourth strain gauge, and the center of the square is the intersection of the two diagonals of the square.

[0036] The first concrete strain gauge 12, the second concrete strain gauge 13, the third concrete strain gauge 14 and the fourth concrete strain gauge 15 are connected in sequence to form a square shape. The first concrete strain gauge 12 is connected to the second concrete strain gauge 13, the second concrete strain gauge 13 is connected to the third concrete strain gauge 14, the third concrete strain gauge 14 is connected to the fourth concrete strain gauge 15, and the fourth concrete strain gauge 15 is connected to the first concrete strain gauge 12. The line connecting the first concrete strain gauge 12 and the second concrete strain gauge 13 constitutes a side of the square and is parallel to the lane line 9. The lane line 9 is parallel to the wheel track of the car on the lane. The line connecting the third concrete strain gauge 14 and the second concrete strain gauge 13 is perpendicular to the lane line 9. The line connecting the fourth concrete strain gauge 15 and the third concrete strain gauge 14 is parallel to the line connecting the first concrete strain gauge 12 and the second concrete strain gauge 13. The connection between the fourth concrete strain gauge 15 and the first concrete strain gauge 12 is parallel to the line connecting the third concrete strain gauge 14 and the first concrete strain gauge 12.

[0037] The second soil pressure gauge 16 is arranged at the center of the square formed by the first concrete strain gauge 12 and the fourth concrete strain gauge 15. The center of the square is the intersection of the two diagonals of the square. The lane line 9 refers to the lane line 9 closest to the central isolation strip 21 of the lane.

[0038] The arrangement structure of a road performance monitoring component in a regenerated road according to an embodiment of the utility model can measure the performance data of the surface layer 1 and the base layer 2 of the regenerated road. Through reasonable arrangement design, it is ensured that the monitoring component can accurately obtain the road performance data.

[0039] Furthermore, it also includes a first temperature sensor 17 and a first humidity sensor 18, and the connection line of the first temperature sensor 17, the first humidity sensor 18 and the first soil pressure gauge 4 is parallel to the lane line 9. The first temperature sensor 17 is used to measure the temperature value of the surface layer 1, and the first humidity sensor 18 is used to measure the humidity value of the surface layer 1.

[0040] Furthermore, the first temperature sensor 17 is located between the humidity sensor and the first earth pressure gauge 4 .

[0041] The first temperature sensor 17, the first humidity sensor 18, the first soil pressure gauge 4, the vertical strain gauge group and the asphalt strain gauge group are all on the same horizontal plane parallel to the roadbed.

[0042] Specifically, the second temperature sensor 19 and the second humidity sensor 20 are also included. The second temperature sensor 19 is arranged in the orthographic projection direction of the first temperature sensor 17 , and the second humidity sensor 20 is arranged in the orthographic projection direction of the first humidity sensor 18 .

[0043] The second temperature sensor 19 is used to measure the temperature value of the base layer 2 , and the second humidity sensor 20 is used to measure the humidity value of the base layer 2 .

[0044] Specifically, the line connecting the first vertical strain gauge 10 and the second vertical strain gauge 11 is perpendicular to the lane line 9 .

[0045] The second temperature sensor 19 , the second humidity sensor 20 , the second soil pressure gauge 16 , the first concrete strain gauge 12 , the second concrete strain gauge 13 , the third concrete strain gauge 14 and the fourth concrete strain gauge 15 are all on a horizontal plane parallel to the roadbed.

[0046] Optionally, the connecting line between the first asphalt strain gauge 5 and the second asphalt strain gauge 6 coincides with the wheel track of the lane.

[0047] Furthermore, the line connecting the first asphalt strain gauge 5 and the second asphalt strain gauge 6 coincides with the wheel track on one side of the lane. The third asphalt strain gauge 7 and the fourth asphalt strain gauge 8 coincide with the wheel track on the other side of the lane. Through the above layout, the wheel on one side of the vehicle can pass over the line connecting the first asphalt strain gauge 5 and the second asphalt strain gauge 6, and the wheel on the other side of the vehicle can pass through the line connecting the third asphalt strain gauge 7 and the fourth asphalt strain gauge 8, which can more accurately measure the longitudinal strain value of the surface layer 1. The first concrete strain gauge 12 to the fourth concrete strain gauge 15 on the base layer 2 correspond to the positive projection directions of the first asphalt strain gauge 5 to the fourth asphalt strain gauge 8, respectively, and can more accurately measure the strain value of the base layer 2.

[0048] Optionally, the distance between the first asphalt strain gauge 5 and the second asphalt strain gauge 6 is 60 centimeters, and the distance between the center of the square and the lane line 9 is 90 centimeters.

[0049] The horizontal distance between the first concrete strain gauge 12 and the second concrete strain gauge 13 is 60 centimeters, and the horizontal distance between the center of the square formed by the first concrete strain gauge 12 to the fourth concrete strain gauge 15 and the lane line 9 is 90 centimeters.

[0050] The horizontal distance between the center of the square formed by the first asphalt strain gauge 5 and the fourth asphalt strain gauge 8 and the lane line 9 is 90 cm. By setting such a distance, the wheels of most vehicles on the road can pass over the asphalt strain gauge assembly. The above dimensions can also be adjusted according to the width of the lane.

[0051] Optionally, the first vertical strain gauge 10 is 20 centimeters away from the first asphalt strain gauge 5 , and the second vertical strain gauge 11 is 20 centimeters away from the second asphalt strain gauge 6 .

[0052] Optionally, the distance between the first temperature sensor 17 and the first soil pressure gauge 4 is 40 centimeters.

[0053] The distance between the second temperature sensor 19 and the second earth pressure gauge 16 is 40 cm.

[0054] Optionally, the distance between the first humidity sensor 18 and the first soil pressure gauge 4 is 60 centimeters.

[0055] The distance between the second humidity sensor 20 and the second soil pressure gauge 16 is 40 centimeters.

[0056] Through the arrangement structure of the novel road performance monitoring components in the regenerated road of the present invention, it is possible to obtain comprehensive and accurate road performance data, timely discover and repair road problems, thereby extending the service life of the regenerated road and reducing maintenance costs. In addition, this structure is not only suitable for regenerated roads, but can also be extended to the performance monitoring of newly built roads and other infrastructure, and has broad application prospects and market demand.

[0057] It is not difficult for those skilled in the art to understand that the utility model includes any combination of the utility model content and the specific implementation method part of the above specification and the various parts shown in the drawings. Due to the limited space and to make the specification concise, the various schemes composed of these combinations are not described one by one. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An arrangement structure of a road performance monitoring component in a regenerated road, characterized in that: It includes a surface layer measurement component and a base layer measurement component, wherein the surface layer measurement component is arranged at the boundary line between the road surface layer and the road base layer, and the base layer measurement component is arranged at the boundary line between the road base layer and the road soil foundation; The surface layer measurement assembly includes a first soil pressure gauge, a vertical strain gauge group and an asphalt strain gauge group; the asphalt strain gauge group includes a first asphalt strain gauge, a second asphalt strain gauge, a third asphalt strain gauge and a fourth asphalt strain gauge connected in sequence to form a square, the connecting line of the first asphalt strain gauge and the second asphalt strain gauge is parallel to the lane line, and the first soil pressure gauge is arranged at the center of the square; The vertical strain gauge group includes a first vertical strain gauge and a second vertical strain gauge, and a line connecting the first vertical strain gauge and the first asphalt strain gauge, and a line connecting the second vertical strain gauge and the third asphalt strain gauge are parallel to the lane line; The base layer measurement assembly includes a first concrete strain gauge arranged in the direction of the first asphalt strain gauge's orthographic projection, a second concrete strain gauge arranged in the direction of the second asphalt strain gauge's orthographic projection, a third concrete strain gauge arranged in the direction of the third asphalt strain gauge's orthographic projection, a fourth concrete strain gauge arranged in the direction of the fourth asphalt strain gauge's orthographic projection, and a second soil pressure gauge arranged in the direction of the first soil pressure gauge's orthographic projection.

2. The arrangement structure of a road performance monitoring component in a regenerated road according to claim 1, characterized in that: It also includes a first temperature sensor and a first humidity sensor, and a connecting line among the first temperature sensor, the first humidity sensor and the first soil pressure gauge is parallel to the lane line.

3. The arrangement structure of a road performance monitoring component in a regenerated road as claimed in claim 2, characterized in that: The first temperature sensor is located between the moisture sensor and the first earth pressure gauge.

4. The arrangement structure of a road performance monitoring component in a regenerated road as claimed in claim 3, characterized in that: It also includes a second temperature sensor and a second humidity sensor. The second temperature sensor is arranged in the orthographic projection direction of the first temperature sensor, and the second humidity sensor is arranged in the orthographic projection direction of the first humidity sensor.

5. The arrangement structure of a road performance monitoring component in a regenerated road according to claim 1, characterized in that: A line connecting the first vertical strain gauge and the second vertical strain gauge is perpendicular to the lane line.

6. The arrangement structure of a road performance monitoring component in a regenerated road according to claim 1, characterized in that: The connecting line between the first asphalt strain gauge and the second asphalt strain gauge coincides with the wheel track of the lane.

7. The arrangement structure of a road performance monitoring component in a regenerated road according to claim 1, characterized in that: The distance between the first asphalt strain gauge and the second asphalt strain gauge is 60 centimeters, and the distance between the center of the square and the lane line is 90 centimeters.

8. The arrangement structure of a road performance monitoring component in a regenerated road according to claim 1, characterized in that: The first vertical strain gauge is 20 centimeters away from the first asphalt strain gauge, and the second vertical strain gauge is 20 centimeters away from the second asphalt strain gauge.

9. The arrangement structure of the road performance monitoring assembly in the regenerated road according to claim 3, characterized in that: The distance between the first temperature sensor and the first earth pressure gauge is 40 centimeters.

10. The arrangement structure of the road performance monitoring assembly in the regenerated road according to claim 9, characterized in that: The distance between the first humidity sensor and the first soil pressure gauge is 60 centimeters.

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