CN112523045A - Acceleration array-based cement concrete pavement flatness monitoring structure and method - Google Patents
Acceleration array-based cement concrete pavement flatness monitoring structure and method Download PDFInfo
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Abstract
The invention relates to the field of road engineering, in particular to a cement concrete pavement flatness monitoring structure and method based on an acceleration array. The invention provides a cement concrete pavement flatness monitoring structure based on an acceleration array, which is characterized by comprising a pavement body, wherein the pavement body comprises a surface layer, a base layer and pavement kerfs positioned on the surface of the surface layer, a plurality of acceleration detection devices are arranged below at least part of the pavement kerfs, the acceleration detection devices are uniformly distributed at the junction of the surface layer and the base layer, and the distance between each acceleration detection device and a vertical surface corresponding to each pavement kerfs is 5-10 cm. The cement concrete pavement evenness monitoring structure based on the acceleration array can timely detect runway structural problems possibly caused by the pavement evenness change and potential safety hazards, and plays a role in preventing accidents.
Description
Technical Field
The invention relates to the field of road engineering, in particular to a cement concrete pavement flatness monitoring structure and method based on an acceleration array.
Background
With the development of highway and airport construction in China, the construction scale is continuously enlarged, and the requirement on the highway (runway) is continuously improved. The flatness of the road (road) surface is very important for the normal operation of the runway, and along with the increase of the operation time, the road (road) surface can be gradually deformed due to repeated load, so that the flatness is reduced, the reduction of the flatness of the road (road) surface can cause jolt in the driving process, the driving stability is influenced, and the serious threat can be brought to the operation safety of the road (road) surface. The conventional road (road) surface detection method mainly comprises a fixed-length ruler method, a section drawing method, a smooth accumulation method and the like, and although the latter two methods greatly reduce the workload compared with the former method, the flatness of the road (road) surface at a certain moment is measured by the conventional methods, the change condition of the flatness of the road (road) surface along with time cannot be obtained, and the road (road) surface maintenance is difficult to perform the functions of early warning and prompting.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide an acceleration array-based cement concrete pavement flatness monitoring structure and method, which can solve the problems of the prior art.
In order to achieve the above and other related objects, an aspect of the present invention provides a cement concrete pavement flatness monitoring structure based on an acceleration array, including a pavement body, where the pavement body includes a surface layer, a base layer, and pavement kerfs located on the surface of the surface layer, a plurality of acceleration detection devices are disposed below at least part of the pavement kerfs, the acceleration detection devices are uniformly distributed at a junction between the surface layer and the base layer, and a distance between the acceleration detection devices and a vertical plane corresponding to the pavement kerfs is 5-10 cm.
The invention also provides a cement concrete pavement evenness monitoring method based on the acceleration array, which monitors the pavement evenness through the cement concrete pavement evenness monitoring structure based on the acceleration array, and comprises the following steps: and acquiring the flatness data of the road surface according to an acceleration monitoring result provided by the acceleration detection device.
In another aspect, the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the acceleration array-based cement concrete pavement flatness monitoring method described above.
In another aspect, the invention provides an apparatus comprising: a processor and a memory, the memory storing a computer program, the processor executing the computer program stored in the memory to cause the apparatus to perform the steps of the acceleration array based cement concrete pavement flatness monitoring method described above.
Drawings
Fig. 1 is a schematic top view of a cement concrete pavement flatness monitoring structure based on an acceleration array according to the present invention.
Fig. 2 is a schematic side view of an acceleration array-based cement concrete pavement flatness monitoring structure according to the present invention.
Fig. 3 is a schematic flow chart of a method for monitoring the flatness of a cement concrete pavement based on an acceleration array according to the present invention.
FIG. 4 is a schematic diagram of the steady state operation of S0401-D1-04-001 in the embodiment of the present invention.
FIG. 5 is a schematic diagram showing the response of S0401-D1-04-001 to an impact state in an embodiment of the present invention.
FIG. 6 is a schematic diagram showing the response of S0401-D1-04-002 to an impact state in an embodiment of the present invention.
FIG. 7 is a schematic diagram showing the response of S0401-D1-04-003 to an impact state in an embodiment of the present invention.
Description of the element reference numerals
1 road surface body
11 surface layer
12 base layer
13 road surface cutting seam
2 acceleration detection device
21 center detection device
22 side edge detection device
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure of the present specification.
The invention provides a cement concrete pavement evenness monitoring structure and method based on an acceleration array through a large amount of practical researches, the monitoring structure and method can feed back pavement evenness change rules in time, and the cement concrete pavement evenness monitoring structure and method have the characteristics of convenience in installation, high stability of measured data, real-time feedback and the like, and the cement concrete pavement evenness monitoring structure and method based on the acceleration array are completed on the basis.
The invention provides a cement concrete pavement flatness monitoring structure based on an acceleration array, as shown in fig. 1 and fig. 2, the structure comprises a pavement body 1, the pavement body 1 comprises a surface layer 11, a base layer 12 and a pavement kerf 13 positioned on the surface of the surface layer 11, a plurality of acceleration detection devices 2 are arranged below at least part of the pavement kerf 13, the acceleration detection devices 2 are uniformly distributed at the junction of the surface layer 11 and the base layer 12, and a certain distance is usually reserved between the acceleration detection devices 2 and a vertical surface corresponding to the pavement kerf 13. In the above-mentioned cement concrete pavement evenness monitoring structure based on acceleration array, acceleration detection device 2 buries in the inside suitable position of pavement (for example, concrete pavement (road) face) with specific mode underground, and data acquisition through detection device to can be with data transmission to the computer terminal that gathers the acquisition, can learn the dynamic change law of pavement joint seam department roughness after further carrying out analysis processes to data, thereby learn the roughness result of pavement.
In the acceleration array-based cement concrete pavement flatness monitoring structure provided by the invention, the pavement body 1 can be various cement concrete pavements in the field. For example, it may be an airport pavement, a highway pavement, or the like. The pavement body 1 may generally include, from top to bottom, a face layer 11, a base layer 12, and pavement cuts 13 on the face layer 11. In the pavement body 1, the face layer 11 generally functions to directly bear the traffic load and the external environment, and to provide a comfortable and safe driving surface for the vehicle. The material of the surface layer 11 can be plain concrete, prestressed concrete, steel fiber concrete, etc., and the thickness of the surface layer 11 can be 30-35 cm, 30-31 cm, 31-32 cm, 32-33 cm, 33-34 cm, or 34-35 cm. In the pavement body 1, the base layer 12 generally functions to take up vertical forces that diffuse down the pavement and further diffuse and transmit them to the underlying structural layers. The base layer can be made of roller compacted concrete, inorganic binder stabilizing materials, crushed (gravel) stone mixture and the like, and the thickness of the base layer can be 20-25 cm. Generally speaking, the pavement joint-cutting 13 is vertically disposed (i.e. downwardly disposed along the gravity direction), and the depth of the pavement joint-cutting is usually 4-6 cm, 4-4.5 cm, 4.5-5 cm, 5-5.5 cm, or 5.5-6 cm. The pavement joint-cutting 13 generally extends along the surface of the surface layer 11, and the extending direction thereof generally matches with the extending direction of the pavement body 1, for example, the angle between the extending direction of the pavement joint-cutting 13 and the extending direction of the pavement body 1 may be 85 to 90 °, 85 to 86 °, 86 to 87 °, 87 to 88 °, 88 to 89 °, or 89 to 90 °.
In the acceleration array-based cement concrete pavement flatness monitoring structure provided by the invention, the acceleration detection device 2 is mainly used for collecting the vibration acceleration change condition of a pavement joint when a carrier passes through a pavement. Suitable instruments that can be used as acceleration detection means 2 should be known to the person skilled in the art and can be, for example, optical MEMS acceleration sensors. As another example, the acceleration detection device 2 is typically in signal connection with an external device (e.g., a computer, etc.) to collect data acquired thereby.
In the acceleration array-based cement concrete pavement flatness monitoring structure provided by the invention, a plurality of acceleration detection devices 2 are arranged below at least part of the pavement kerf 13, but the acceleration detection devices 2 are not positioned under the pavement kerf 13, but need to be matched with a vertical surface (namely a plane formed by extending the pavement kerf 13 in the gravity direction) corresponding to the pavement kerf 13, namely, need to have a proper distance with the vertical surface corresponding to the pavement kerf 13. For example, the distance between the acceleration detection device 2 and the vertical surface corresponding to the road surface joint-cutting 13 may be 5-10 cm, 5-6 cm, 6-7 cm, 7-8 cm, 8-9 cm, or 9-10 cm. For another example, a connection line formed by the acceleration detection devices 2 below the single road surface slit 13 is parallel to the vertical surface corresponding to the road surface slit 13. As described above, the acceleration detection devices 2 are generally uniformly distributed at the boundary between the surface layer 11 and the base layer 12, so that the change rule of the flatness of the surface can be accurately fed back as a whole. For example, three or more acceleration detecting devices 2 may be disposed below a single pavement slit 13, wherein a center detecting device 21 distributed in the center of the pavement body 1 and side detecting devices 22 distributed on both sides of the pavement body 1 may be included. For another example, the side edge detection device 22 usually has a suitable distance from the side surface of the pavement body 1, and the distance between the side edge detection device 22 and the side surface of the pavement body 1 may be 40-60 cm, 40-45 cm, 45-50 cm, 50-55 cm, or 55-60 cm.
In the acceleration array-based cement concrete pavement flatness monitoring structure provided by the invention, the acceleration detection device 2 is usually positioned close to one side of the pavement kerf 13 facing to the driving direction (namely, the advancing direction) of the carrier, and is used for accurately capturing the pavement acceleration at the moment that the carrier contacts the next plate after passing through the kerf. The acceleration detection device 2 is usually located at least partially in the surface layer 11 and at least partially in the base layer 12, and generally, the acceleration detection device 2 includes a detection portion and a fixing portion, the fixing portion mainly includes components such as a base and a bracket of the detection device, the fixing portion is mainly located in the base layer 12 to facilitate mounting of the base of the detection device, the detection portion is a main body portion of the detection device (i.e., a portion actually used for detecting vibration acceleration), the detection portion is mainly located in the surface layer 11, and the detection portion is mainly located in the surface layer 11 to enable detection of changes in vibration acceleration.
The second aspect of the present invention provides a method for constructing a cement concrete pavement evenness monitoring structure provided by the first aspect of the present invention, and a suitable method for constructing the above monitoring structure should be known to those skilled in the art on the premise of knowing the above cement concrete pavement evenness monitoring structure based on the acceleration array. For example, the acceleration detection device 2 may be embedded at the boundary between the surface course and the base course of the road surface, the lower half of which is embedded and fixed in the base course, and the upper half of which is completely embedded in the surface course during the surface course construction.
The third aspect of the present invention provides a method for monitoring the flatness of a cement concrete pavement based on an acceleration array, wherein the method for monitoring the flatness of the pavement by using the structure for monitoring the flatness of the cement concrete pavement based on the acceleration array provided by the first aspect of the present invention comprises: and acquiring the flatness data of the road surface according to the acceleration monitoring result provided by the acceleration detection device 2.
In the method for monitoring the flatness of the cement concrete pavement based on the acceleration array, as shown in fig. 3, the method may include: the amount of longitudinal displacement h at the acceleration detection device per unit load is provided according to the following formula, which may be in mm/kg:
A＝x1aA+x2aB1+x3aB2
wherein A is the average acceleration of the road surface and the unit is m/s2；
aAAs the monitoring result of the central detection device, in m/s2；
aB1、aB2Respectively the monitoring results of two side detection devices, and the unit is m/s2；
x1、x2、x3Acceleration reduction coefficients, x, of the positions of the center detection device and the two side detection devices, respectively1Can be 0.2 to 0.3, 0.2 to 0.22, 0.22 to 0.24, 0.24 to 0.26, 0.26 to 0.28, or 0.28 to 0.3, x2Can be 0.4 to 0.6, 0.4 to 0.42, 0.42 to 0.44, 0.44 to 0.46, 0.46 to 0.48, 0.48 to 0.49, 0.49 to 0.5, 0.5 to 0.51, 0.51 to 0.52, 0.52 to 0.54, 0.54 to 0.56, 0.56 to 0.58, or 0.58 to 0.6, x3Can be 0.2-0.3, 0.2-0.22, 0.22-0.24, 0.24-0.26, 0.26-0.28, or 0.28-0.3, in one embodiment of the invention, x1＝0.25，x2＝0.5，x3＝0.25；
h is the longitudinal displacement of the acceleration detection device under unit load, and the unit is mm/kg;
n is a carrier speed reduction factor, and,
when the traveling speed v of the carrier (the traveling speed of the carrier in the extending direction of the road surface) is less than or equal to 50km/h, n can be 0.95-1.05, 0.95-0.97, 0.97-0.99, 0.99-1.01, 1.01-1.03, or 1.03-1.05, and in one embodiment of the invention, n is 1.0;
when the traveling speed of the carrier is 50km/h < v < 150km/h, n can be 1.15-1.25, 1.15-1.17, 1.17-1.19, 1.19-1.21, 1.21-1.23, or 1.23-1.25, in one embodiment of the invention, n is 1.2;
when the traveling speed of the carrier is 150km/h < v < 250km/h, n can be 1.45-1.55, 1.45-1.47, 1.47-1.49, 1.49-1.51, 1.51-1.53, or 1.53-1.55, in one embodiment of the invention, n is 1.5;
when the traveling speed of the carrier is 250km/h < v < 300km/h, n can be 1.95-2.05, 1.95-1.97, 1.97-1.99, 1.99-2.01, 2.01-2.03, or 2.03-2.05, and in one embodiment of the invention, n is 2.0;
g is the mass of the carrier, and the unit is kg;
in the above formula, aA、aB1、aB2The acceleration monitoring results provided by the acceleration detection device 2 can be used to further calculate and obtain the required longitudinal displacement h of the acceleration detection device under the unit load.
The acceleration array-based cement concrete pavement flatness monitoring method provided by the invention can further comprise the following steps: and according to the longitudinal displacement H of the acceleration detection device under the unit load, providing a flatness evaluation index H, wherein H is the maximum value of H. In the actual detection process, when the carrier is gradually close to the pavement kerf, the acceleration detection device 2 can acquire the acceleration information of the position of the acceleration detection device 2 in the whole process, the variation trend of the longitudinal displacement H in the whole process can be obtained through calculation, and the flatness evaluation index H can be further acquired.
The acceleration array-based cement concrete pavement flatness monitoring method provided by the invention can further comprise the following steps: and providing a road surface flatness result according to the flatness evaluation index H. Generally, the lower the flatness evaluation index H, the better the flatness of the road surface, and the higher the flatness evaluation index H, the worse the flatness of the road surface. For example, when H < 1X 10-5When mm/kg, the flatness of the road surface is considered to be good, and when 1X 10-5mm/kg≤H＜2×10-5When mm/kg, the flatness of the road surface is considered to be general, and 2X 10-5mm/kg≤H＜4×10-5When mm/kg, the flatness of the road surface is considered to be poor, and when H > 4X 10-5In mm/kg, the problem of the flatness of the road surface is considered to be serious.
A fourth aspect of the present invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the acceleration array-based cement concrete pavement flatness monitoring method provided by the third aspect of the present invention.
A fifth aspect of the invention provides an apparatus comprising: a processor and a memory, the memory being configured to store a computer program, the processor being configured to execute the computer program stored by the memory to cause the apparatus to perform the steps of the acceleration array based cement concrete pavement flatness monitoring method provided by the third aspect of the present invention.
The acceleration array-based cement concrete pavement evenness monitoring structure and method provided by the invention provide a direct and feasible method for detecting the dynamic change of pavement evenness, and can research the dynamic change rule of the pavement evenness along with time on the basis, so that the structural problem of a runway and the generated potential safety hazard which are possibly caused by the change of the pavement evenness can be detected in time, and the effect of preventing the runway from getting ill is achieved. In addition, above-mentioned monitoring structure is laid inside the road surface on the whole for to the detection of road surface roughness can go on under the condition that does not influence the road surface operation, thereby improve the operating efficiency of road surface greatly, have good industrialization prospect.
The invention of the present application is further illustrated by the following examples, which are not intended to limit the scope of the present application.
Example 1
According to a concrete pavement (road) surface plate construction drawing, marking the position of a cutting line corresponding to the cutting of a surface plate on a base layer, and determining the midpoint of the cutting line of a monitored area. The positions 50cm away from the end at the midpoint of the tangent and at the both sides of the tangent are respectively designated as the layout positions A, B of the acceleration detecting device1、B2，A、B1、B2The distance between the cutting joint and the cutting joint is 5 cm.
Adopting inorganic binder stable material as material of concrete pavement base course, the construction thickness is 20cm, after the concrete pavement base course construction and maintenance are completed, arranging according to preset mounting position bolt holes of acceleration detection device, adopting drilling machine to make them be positioned in position A and position B1And position B2And punching holes and installing expansion bolts, and reinforcing the peripheries of the expansion bolts by using plain cement paste.
Position A, position B1And position B2An acceleration detection device (optical MEMS acceleration sensor, BA-MA10, sampling frequency)>1000MHz, measuring range 10g) is arranged on the base layer through expansion bolts. Time-of-installation protectorThe mounting heights of the three displacement meters are proved to be the same so as to ensure the consistency of the three data testing environments. And then, adopting the steel fiber concrete pavement as a pouring form of a surface layer of the concrete pavement (road), wherein the construction thickness is 30cm, the width of the joint seam is 6mm, the depth is 5cm, and the surface layer concrete is poured to ensure that the testing end of the upper half part of the acceleration detection device is completely wrapped in the surface layer concrete.
The data of the acceleration detection device is transmitted to the computer terminal through the data line for data storage, and the power supply adopts the solar energy system for power supply, so that all-weather automatic data acquisition is realized.
And processing and analyzing the data acquired by the acceleration detection device by using data analysis software so as to obtain the flatness data of the concrete pavement (road).
The data processing process is as follows:
A＝x1aA+x2aB1+x3aB2
wherein: a-average acceleration (m/s) of road (road) surface2)；
aA-monitoring result (m/s) of acceleration detection means at position A2)；
aB1-position B1Monitoring result (m/s) of acceleration detecting device2)；
aB2-position B2Monitoring result (m/s) of acceleration detecting device2)；
x1，x2，x3-positions A, B1，B2Acceleration reduction coefficient of (x)1＝0.25，x2＝0.5，x3＝0.25；
h is the longitudinal displacement (mm/kg) of the acceleration detection device under unit load;
n-the carrier speed reduction factor, and,
n＝1.0 v≤50km/h；
n＝1.2 50km/h<v≤150km/h；
n＝1.5 150km/h<v≤250km/h；
n＝2.0 250km/h<v≤300km/h；
g-vehicle mass (kg);
driving a Jianghuai pickup (MC1022C, 2425kg) to drive through a test road section along the road center line at a speed of 90km/H from the driving direction of the vehicle shown in the figure, recording the H value of the vehicle in the whole process of driving through the kerf from far to near, wherein the maximum value is the road surface flatness evaluation index H at the kerf, and evaluating the road (road) surface flatness according to the following standard.
TABLE 1 evaluation Standard of flatness of road (road) surface
| Road (road) surface flatness evaluation index H (mm/kg) | Flatness of road (or road) surface |
| H<1×10-5 | Good effect |
| 1×10-5<H<2×10-5 | In general |
| 2×10-5<H<4×10-5 | Is poor |
| H>4×10-5 | Severe severity of disease |
The table of the access records of the acceleration detecting device is shown in table 2, the steady operation state of the acceleration detecting device is shown in fig. 4 (taking S0401-D1-04-001 as an example), and the response of the acceleration detecting device to the impact state is shown in fig. 5 to 7.
Table 2 accelerative speed detector access record table
| Acceleration detection device position number | Device access channel number | Laying position |
| S0401-D1-04-001 | 1 | A |
| S0402-D1-04-002 | 2 | B1 |
| S0403-D1-04-003 | 3 | B2 |
The data measured by the acceleration detector is substituted into the formula for calculation to obtain the evaluation index H of the road surface flatness of 4.7 multiplied by 10-6mm/kg, and the conclusion is that the flatness of the measured road (road) surface is good and is consistent with the actual situation.
In conclusion, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a cement concrete pavement roughness monitoring structure based on acceleration array, its characterized in that, includes pavement body (1), pavement body (1) is including surface course (11), basic unit (12) and be located pavement kerf (13) on surface course (11) surface, at least partly pavement kerf (13) below is equipped with a plurality of acceleration detection device (2), a plurality of acceleration detection device (2) are at the juncture evenly distributed of surface course (11) and basic unit (12), and acceleration detection device (2) and the interval of the vertical face that pavement kerf (13) correspond are 5 ~ 10 cm.
2. The acceleration array-based cement concrete pavement flatness monitoring structure according to claim 1, wherein the thickness of the surface layer (11) is 30-35 cm;
and/or the thickness of the base layer (12) is 20-25 cm.
3. The acceleration array-based cement concrete pavement flatness monitoring structure according to claim 1, wherein the extending direction of the pavement slits (13) is matched with the extending direction of the pavement body (1), preferably, the pavement slits (13) are vertically arranged, and the angle between the extending direction of the pavement slits (13) and the extending direction of the pavement body (1) is 85-90 °.
4. The acceleration array-based cement concrete pavement flatness monitoring structure according to claim 1, characterized in that the connection line formed by the acceleration detecting devices (2) below the single pavement slits (13) is parallel to the vertical plane corresponding to the pavement slits (13);
and/or the acceleration detection device (2) is close to one side of the road surface kerf (13) facing to the running direction of the carrier;
and/or more than three acceleration detection devices (2) are arranged below a single pavement joint seam (13), wherein the acceleration detection devices comprise a center detection device (21) distributed at the center of the pavement body (1) and side detection devices (22) distributed at two sides of the pavement body (1), and the distance between each side detection device (22) and the side surface of the pavement body (1) is 40-60 cm;
and/or the acceleration detection device (2) comprises a detection part and a fixed part, wherein the detection part is positioned in the surface layer (11), and the fixed part is positioned in the base layer (12).
5. A cement concrete pavement evenness monitoring method based on an acceleration array, which monitors the pavement evenness through the cement concrete pavement evenness monitoring structure based on the acceleration array as claimed in any one of claims 1 to 4, and comprises the following steps: and acquiring the flatness data of the road surface according to the acceleration monitoring result provided by the acceleration detection device (2).
6. The acceleration array-based cement concrete pavement flatness monitoring method of claim 5, comprising:
s1) providing the longitudinal displacement amount h at the acceleration detecting device under the unit load according to the following formula:
A＝x1aA+x2aB1+x3aB2
wherein A is the average acceleration of the road surface and the unit is m/s2；
aAAs the monitoring result of the central detection device, in m/s2；
aB1、aB2Respectively the monitoring results of two side detection devices, and the unit is m/s2；
x1、x2、x3Acceleration reduction coefficients, preferably x, for the positions of the central detection device and the two lateral detection devices, respectively1＝0.2～0.3，x2＝0.4～0.6，x3＝0.2～0.3；
h is the longitudinal displacement of the acceleration detection device under unit load, and the unit is mm/kg;
n is a carrier speed reduction factor, and,
when the traveling speed v of the carrier is less than or equal to 50km/h, n is 0.95-1.05;
when the traveling speed of the carrier is 50km/h and v is less than or equal to 150km/h, n is 1.15-1.25;
when the traveling speed of the carrier is 150km/h < v < 250km/h, n is 1.45-1.55;
when the traveling speed of the carrier is 250km/h and v is less than or equal to 300km/h, n is 1.95-2.05;
g is the mass of the carrier, and the unit is kg;
s2) providing a flatness evaluation index H based on the longitudinal displacement H at the acceleration detecting means under the unit load provided by S1), the H being the maximum value of H.
7. The acceleration-array-based cement concrete pavement flatness monitoring method of claim 6, further comprising:
s3) providing a road surface flatness result according to the flatness evaluation index H provided by S2).
8. The acceleration-array-based cement concrete pavement evenness monitoring method of claim 7, wherein the pavement evenness is better when the evenness evaluation index H is lower, and the pavement evenness is worse when the evenness evaluation index H is higher.
9. A computer-readable storage medium having stored thereon a computer program, wherein the program, when executed by a processor, implements the acceleration array based cement concrete pavement flatness monitoring method according to any one of claims 5 to 8.
10. An apparatus, comprising: a processor and a memory, the memory storing a computer program, wherein the processor is configured to execute the computer program stored in the memory to cause the apparatus to perform the steps of the acceleration array based cement concrete pavement flatness monitoring method according to any one of claims 5 to 8.
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| CN103266551A (en) * | 2013-04-15 | 2013-08-28 | 同济大学 | Fixing device for cement concrete pavement health monitoring sensors |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115323876A (en) * | 2022-07-15 | 2022-11-11 | 东南大学 | Airport cement concrete pavement flatness detection system |
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