CN115031889A - Pore water pressure monitoring method and device, electronic equipment and storage medium - Google Patents

Pore water pressure monitoring method and device, electronic equipment and storage medium Download PDF

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Publication number
CN115031889A
CN115031889A CN202210424602.4A CN202210424602A CN115031889A CN 115031889 A CN115031889 A CN 115031889A CN 202210424602 A CN202210424602 A CN 202210424602A CN 115031889 A CN115031889 A CN 115031889A
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China
Prior art keywords
water pressure
target
monitoring module
value
pressure monitoring
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CN202210424602.4A
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Inventor
田佳磊
侯芸
崔魏
郭晨伟
董元帅
何建彬
钱振宇
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Cccc Road And Bridge Inspection And Maintenance Co ltd
Checsc Highway Maintenance And Test Technology Co ltd
China Highway Engineering Consultants Corp
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Cccc Road And Bridge Inspection And Maintenance Co ltd
Checsc Highway Maintenance And Test Technology Co ltd
China Highway Engineering Consultants Corp
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Application filed by Cccc Road And Bridge Inspection And Maintenance Co ltd, Checsc Highway Maintenance And Test Technology Co ltd, China Highway Engineering Consultants Corp filed Critical Cccc Road And Bridge Inspection And Maintenance Co ltd
Priority to CN202210424602.4A priority Critical patent/CN115031889A/en
Publication of CN115031889A publication Critical patent/CN115031889A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/08Means for indicating or recording, e.g. for remote indication

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The invention provides a method and a device for monitoring pore water pressure, electronic equipment and a storage medium, wherein the method comprises the following steps: determining two or more pressure monitoring modules corresponding to the target asphalt road section, wherein each pressure monitoring module is positioned in an asphalt mixture layer of the target asphalt road section; receiving water pressure data corresponding to each pressure monitoring module, wherein the water pressure data comprises the water pressure data of a pore at the position of the pressure monitoring module in a drainage stage; and acquiring a pore water pressure change trend graph corresponding to each pressure monitoring module based on the water pressure data corresponding to each pressure monitoring module. According to the embodiment of the invention, the water pressure data is received from two or more than two pressure monitoring modules corresponding to the target asphalt road section, and the pore water pressure change trend graph corresponding to each pressure monitoring module is obtained based on the water pressure data corresponding to each pressure monitoring module, so that the rapid nondestructive monitoring of the pore water pressure on the road surface site can be realized.

Description

Pore water pressure monitoring method and device, electronic equipment and storage medium
Technical Field
The invention relates to the technical field of road traffic, in particular to a method and a device for monitoring pore water pressure, electronic equipment and a storage medium.
Background
The drainage bituminous pavement is a pavement structure with large gaps, and the coarse aggregates are mainly connected in point mode by means of high-viscosity modified asphalt, so that the communicated gaps inside the pavement are guaranteed, and the drainage effect is achieved. Because the road surface layer state is real-time change in the operation period, especially when the weather of sand blown by the wind or haze, drainage road surface performance decline degree is great, can know the drainage speed condition of drainage road surface's monitoring point through monitoring drainage road surface mixture inside pore water pressure.
In the related technology, the monitoring of the pore water pressure is mainly focused on the monitoring of geotechnical materials, the application of the pavement testing is less, but the state of a drainage pavement surface layer changes in real time in the operation period, and the related technology cannot rapidly monitor the pore water pressure of the pavement on site without damage.
Disclosure of Invention
The invention provides a method and a device for monitoring pore water pressure, electronic equipment and a storage medium, which are used for solving the defect that the pore water pressure of a pavement can not be rapidly and nondestructively monitored on the site of the pavement in the prior art and realizing the rapid and nondestructive monitoring of the pore water pressure of the pavement on the site of the pavement.
In a first aspect, the present invention provides a method for monitoring pore water pressure, comprising:
determining two or more pressure monitoring modules corresponding to a target asphalt road section, wherein each pressure monitoring module is positioned in an asphalt mixture layer of the target asphalt road section;
receiving water pressure data corresponding to each pressure monitoring module, wherein the water pressure data comprises water pressure data of a pore at the position of the pressure monitoring module in a drainage stage;
and acquiring a pore water pressure change trend graph corresponding to each pressure monitoring module based on the water pressure data corresponding to each pressure monitoring module.
Optionally, according to the method for monitoring pore water pressure provided by the present invention, each of the pressure monitoring modules includes a first monitoring unit and a second monitoring unit, the water pressure data includes first water pressure data corresponding to the first monitoring unit and second water pressure data corresponding to the second monitoring unit, and the acquiring pore water pressure variation trend map corresponding to each of the pressure monitoring modules based on the water pressure data corresponding to each of the pressure monitoring modules includes:
determining two or more acquisition time points corresponding to a target pressure monitoring module in the drainage stage, wherein the target pressure monitoring module is any one of the two or more pressure monitoring modules, and water pressure data corresponding to the target pressure monitoring module is target water pressure data;
for each target acquisition time point, determining a target water pressure value corresponding to the target acquisition time point based on a first water pressure value and a second water pressure value, wherein the target acquisition time point is any one of the two or more acquisition time points, the first water pressure value is a water pressure value corresponding to the target acquisition time point in first water pressure data of the target water pressure data, and the second water pressure value is a water pressure value corresponding to the target acquisition time point in second water pressure data of the target water pressure data;
and acquiring a pore water pressure change trend graph corresponding to the target pressure monitoring module based on the target water pressure value corresponding to each target acquisition time point.
Optionally, according to the method for monitoring pore water pressure provided by the present invention, for each target collection time point, determining a target water pressure value corresponding to the target collection time point based on the first water pressure value and the second water pressure value includes:
and under the condition that the first water pressure value and the second water pressure value are effective values and the water pressure difference value between the first water pressure value and the second water pressure value is smaller than or equal to a target threshold value, determining the water pressure average value of the first water pressure value and the second water pressure value as the target water pressure value, wherein the effective value is a nonzero value.
Optionally, according to the method for monitoring pore water pressure provided by the present invention, for each target collection time point, determining a target water pressure value corresponding to the target collection time point based on the first water pressure value and the second water pressure value includes:
determining a target effective value as the target water pressure value when only one target effective value exists in the first water pressure value and the second water pressure value, wherein the target effective value is a nonzero value.
Optionally, according to the method for monitoring pore water pressure provided by the present invention, the determining two or more pressure monitoring modules corresponding to the target asphalt road segment includes:
determining a road cross section label corresponding to each pressure monitoring module, and determining a target distance corresponding to each pressure monitoring module, wherein the target distance is used for representing the distance between the pressure monitoring module and a central separator of the target asphalt road section;
and determining the position of each pressure monitoring module based on the road cross section label corresponding to each pressure monitoring module and the target distance corresponding to each pressure monitoring module.
Optionally, according to the method for monitoring pore water pressure provided by the present invention, after receiving the water pressure data corresponding to each of the pressure monitoring modules, the method further includes:
and performing linear fitting on the water pressure data corresponding to each pressure monitoring module to obtain the drainage rate corresponding to the pore at the position of each pressure monitoring module.
In a second aspect, the present invention also provides a device for monitoring pore water pressure, comprising:
the system comprises a determining module, a judging module and a judging module, wherein the determining module is used for determining two or more pressure monitoring modules corresponding to a target asphalt road section, and each pressure monitoring module is positioned in an asphalt mixture layer of the target asphalt road section;
the receiving module is used for receiving water pressure data corresponding to each pressure monitoring module, and the water pressure data comprises water pressure data of a pore at the position of the pressure monitoring module in a drainage stage;
the first acquisition module is used for acquiring a pore water pressure change trend graph corresponding to each pressure monitoring module based on the water pressure data corresponding to each pressure monitoring module.
In a third aspect, the present invention further provides an electronic device, comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement any of the above-mentioned pore water pressure monitoring methods.
In a fourth aspect, the present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method for monitoring pore water pressure as described in any one of the above.
In a fifth aspect, the present invention also provides a computer program product comprising a computer program which, when executed by a processor, implements a method of monitoring pore water pressure as described in any one of the above.
According to the pore water pressure monitoring method, the pore water pressure monitoring device, the electronic equipment and the storage medium, the water pressure data is received from two or more pressure monitoring modules corresponding to the target asphalt road section, the pore water pressure change trend graph corresponding to each pressure monitoring module can be obtained based on the water pressure data corresponding to each pressure monitoring module, the rapid and nondestructive monitoring of the pore water pressure of the road surface can be realized on the road surface site, and the drainage speed of the monitoring point of the target asphalt road section can be judged through the pore water pressure change trend graph.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic flow diagram of a method for monitoring pore water pressure provided by the present invention;
FIG. 2 is a top view of a pressure monitoring module for asphalt road section layout provided by the present invention;
FIG. 3 is a bottom view of a pressure monitoring module for laying asphalt road sections provided by the invention;
FIG. 4 is a schematic diagram showing the monitoring result of the pore water pressure monitoring method provided by the present invention;
FIG. 5 is a schematic structural diagram of a pore water pressure monitoring device provided by the invention;
fig. 6 is a schematic structural diagram of an electronic device provided in the present invention.
Reference numerals are as follows:
201: a pressure monitoring module; 202: the surface of the upper surface of the road surface; 203: the pavement upper surface layer bottom surface.
Detailed Description
To facilitate a clearer understanding of embodiments of the present invention, some relevant background information is first presented below.
In the related art, the observation instruments mainly used in the monitoring method of the pore water pressure are a pore water pressure monitoring module and a digital frequency instrument. The steel string type sensor measures frequency value through a digital frequency instrument, and corresponding pore water pressure value is obtained through conversion of a reference calibration curve. In the measuring range, the maximum possible pore water pressure value is estimated approximately according to factors such as the depth of the embedded sensor, the change range of the pore water pressure and the like, then the measuring range of the pore water pressure monitoring module to be used is determined according to the maximum possible pore water pressure value, if the measuring range is too large, the data accuracy is affected, and if the measuring range is too small, the data accuracy cannot be measured.
In the related art, the monitoring method of the pore water pressure needs to use a special pore water pressure testing instrument, the measuring process is complicated, the measuring precision is easily influenced, and the difficulty in monitoring the pavement is high, so that the change condition of the pore water pressure of the pavement cannot be accurately evaluated.
In order to overcome the defects, the invention provides a method and a device for monitoring pore water pressure, electronic equipment and a storage medium, wherein a pore water pressure change trend chart corresponding to each pressure monitoring module is obtained based on water pressure data corresponding to each pressure monitoring module, so that rapid and nondestructive monitoring of the pore water pressure of a pavement can be realized on the site of the pavement.
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic flow chart of a pore water pressure monitoring method provided by the present invention, and as shown in fig. 1, an implementation subject of the pore water pressure monitoring method may be an electronic device, and the method includes:
101, determining two or more pressure monitoring modules corresponding to a target asphalt road section, wherein each pressure monitoring module is positioned in an asphalt mixture layer of the target asphalt road section;
specifically, two or more pressure monitoring modules can be pre-embedded in the target asphalt road section, the pressure monitoring modules can be located in an asphalt mixture layer of the target asphalt road section, and the pressure monitoring modules corresponding to the target asphalt road section can be determined under the condition that the pore water pressure of the target asphalt road section needs to be monitored.
Optionally, in the road paving process, after the emulsified asphalt binder oil is spread on the surface layer of the road, the pressure monitoring module may be laid on the binder oil, and then the asphalt mixture on the upper layer may be laid on the road, so that the pressure monitoring module is located in the asphalt mixture layer of the target asphalt road section, and further the pressure monitoring module may collect pore water pressure data of the pore of the target asphalt road section.
Alternatively, fig. 2 is a top view of the asphalt road section laying pressure monitoring module provided by the present invention, and fig. 3 is a bottom view of the asphalt road section laying pressure monitoring module provided by the present invention, as shown in fig. 2 and fig. 3, the target asphalt road section may include an upper surface 202 of the road surface and an upper surface 203 of the road surface, and the pressure monitoring module 201 may be located below the upper surface 203 of the road surface.
102, receiving water pressure data corresponding to each pressure monitoring module, wherein the water pressure data comprises water pressure data of a pore at the position of the pressure monitoring module in a drainage stage;
specifically, after the pressure monitoring module corresponding to the target asphalt road section is determined, water pressure data may be received from each of the pressure monitoring modules, and then the water pressure data corresponding to each of the pressure monitoring modules may be obtained.
Optionally, in order to receive the water pressure data corresponding to each pressure monitoring module, the pressure monitoring modules may be pre-embedded in the target asphalt road section, and the pressure monitoring modules may have a wireless communication function, so as to receive the water pressure data corresponding to each pressure monitoring module in a wireless communication manner.
Optionally, in order to receive the water pressure data corresponding to each pressure monitoring module, a watering device may be used to perform watering on a position where each pressure monitoring module of the target asphalt road section is located, the watering may be stopped when runoff occurs at the watered position of the target asphalt road section (that is, pores corresponding to the watered position reach a water saturation state), and after a period of time, the water pressure data corresponding to each pressure monitoring module may be received in a wireless communication manner.
Optionally, the pressure monitoring module may have a function of measuring an ambient temperature and a wireless communication function, and may further obtain road surface water pressure data and ambient temperature data corresponding to the target asphalt road section from the pressure monitoring module in the target asphalt road section in a wireless communication manner.
It can be understood that the sprinkling is stopped under the condition that runoff occurs at the sprinkled position of the target asphalt road section, and after that, the target asphalt road section can be freely drained, and then the pressure monitoring module in the target asphalt road section can collect the water pressure data of the road surface at the drainage stage, and then the water pressure data obtained from the pressure monitoring module can include the water pressure data of the pore at the position of the pressure monitoring module at the drainage stage.
103, acquiring a pore water pressure change trend graph corresponding to each pressure monitoring module based on the water pressure data corresponding to each pressure monitoring module.
Specifically, after the water pressure data corresponding to each pressure monitoring module is obtained, the water pressure data can be analyzed, and then a pore water pressure change trend graph corresponding to each pressure monitoring module can be obtained.
According to the method for monitoring the pore water pressure, provided by the invention, the water pressure data is received from two or more than two pressure monitoring modules corresponding to the target asphalt road section, the pore water pressure change trend graph corresponding to each pressure monitoring module can be obtained based on the water pressure data corresponding to each pressure monitoring module, the pore water pressure of the road surface can be rapidly and nondestructively monitored on the road surface site, and the drainage speed of the monitoring point of the target asphalt road section can be judged through the pore water pressure change trend graph.
Optionally, each of the pressure monitoring modules includes a first monitoring unit and a second monitoring unit, the water pressure data includes first water pressure data corresponding to the first monitoring unit and second water pressure data corresponding to the second monitoring unit, and the pore water pressure change trend graph corresponding to each of the pressure monitoring modules is obtained based on the water pressure data corresponding to each of the pressure monitoring modules, including:
determining two or more acquisition time points corresponding to a target pressure monitoring module in the drainage stage, wherein the target pressure monitoring module is any one of the two or more pressure monitoring modules, and water pressure data corresponding to the target pressure monitoring module is target water pressure data;
for each target acquisition time point, determining a target water pressure value corresponding to the target acquisition time point based on a first water pressure value and a second water pressure value, wherein the target acquisition time point is any one of the two or more acquisition time points, the first water pressure value is a water pressure value corresponding to the target acquisition time point in first water pressure data of the target water pressure data, and the second water pressure value is a water pressure value corresponding to the target acquisition time point in second water pressure data of the target water pressure data;
and acquiring a pore water pressure change trend graph corresponding to the target pressure monitoring module based on the target water pressure value corresponding to each target acquisition time point.
Specifically, after water pressure data corresponding to each pressure monitoring module is obtained, a target pressure monitoring module can be determined in two or more pressure monitoring modules, and then two or more acquisition time points corresponding to the target pressure monitoring module in a drainage stage can be determined, for each target acquisition time point, a target water pressure value corresponding to the target acquisition time point can be determined based on a first water pressure value and a second water pressure value, and then a pore water pressure change trend graph corresponding to the target pressure monitoring module can be obtained based on the target water pressure value corresponding to each target acquisition time point;
specifically, the target pressure monitoring module may be any one of two or more pressure monitoring modules, and the processing may be performed on the water pressure data corresponding to each pressure monitoring module, so as to obtain a pore water pressure change trend map corresponding to each pressure monitoring module.
For example, the two or more pressure monitoring modules may include: the pressure monitoring module A, the pressure monitoring module B and the pressure monitoring module C can determine the pressure monitoring module A as a target pressure monitoring module, further can determine two or more acquisition time points corresponding to the pressure monitoring module A in a drainage stage, and for each target acquisition time point, a target water pressure value corresponding to the target acquisition time point can be determined based on a first water pressure value and a second water pressure value, further based on a target water pressure value corresponding to each target acquisition time point, a pore water pressure change trend graph corresponding to the pressure monitoring module A can be obtained, and so on, the pressure monitoring module B can be determined as the target pressure monitoring module, a pore water pressure change trend graph corresponding to the pressure monitoring module B can be obtained, the pressure monitoring module C can be determined as the target pressure monitoring module, a pore water pressure change trend graph corresponding to the pressure monitoring module C can be obtained, and then, a pore water pressure change trend graph corresponding to each pressure monitoring module can be obtained.
Therefore, each pressure monitoring module can comprise a first monitoring unit and a second monitoring unit, the water pressure data comprises first water pressure data corresponding to the first monitoring unit and second water pressure data corresponding to the second monitoring unit, two water pressure values (a first water pressure value and a second water pressure value) can be obtained for each target acquisition time point, the target water pressure value corresponding to the target acquisition time point is determined through the two water pressure values, and the accuracy of the target water pressure value can be improved.
Optionally, the determining, for each target collection time point, a target water pressure value corresponding to the target collection time point based on the first water pressure value and the second water pressure value includes:
and under the condition that the first water pressure value and the second water pressure value are effective values and the water pressure difference value between the first water pressure value and the second water pressure value is smaller than or equal to a target threshold value, determining the water pressure average value of the first water pressure value and the second water pressure value as the target water pressure value, wherein the effective value is a nonzero value.
Specifically, after water pressure data corresponding to each pressure monitoring module is obtained, a target pressure monitoring module can be determined in two or more pressure monitoring modules, and then two or more acquisition time points corresponding to the target pressure monitoring module in a drainage stage can be determined;
specifically, for each target acquisition time point, whether the first water pressure value and the second water pressure value are effective values or not and whether a water pressure difference value between the first water pressure value and the second water pressure value is smaller than or equal to a target threshold value or not can be judged, under the condition that the first water pressure value and the second water pressure value are effective values and the water pressure difference value between the first water pressure value and the second water pressure value is smaller than or equal to the target threshold value, the water pressure average value of the first water pressure value and the second water pressure value can be determined to be used as the target water pressure value, and then a pore water pressure change trend graph corresponding to the target pressure monitoring module can be obtained based on the target water pressure value corresponding to each target acquisition time point;
specifically, the target pressure monitoring module may be any one of two or more pressure monitoring modules, and the processing may be performed on the water pressure data corresponding to each pressure monitoring module, so as to obtain a pore water pressure change trend map corresponding to each pressure monitoring module.
Optionally, under the condition that the first water pressure value and the second water pressure value are both valid values, a water pressure difference value between the first water pressure value and the second water pressure value may be determined, and under the condition that the water pressure difference value is greater than a target threshold value, the water pressure data at the acquisition time point may be discarded, that is, the water pressure data at the acquisition time point is not used for determining the target water pressure value, nor is it used for a subsequent process of acquiring a pore water pressure change trend graph.
Optionally, under the condition that the first water pressure value and the second water pressure value are both effective values, a water pressure difference value between the first water pressure value and the second water pressure value can be determined, under the condition that the water pressure difference value is greater than a target threshold value, the water sprinkling device can be used for sprinkling water again at the position of the target pressure monitoring module, and then water pressure data corresponding to the target pressure monitoring module can be received again until the water pressure difference value of the target pressure monitoring module at each target acquisition time point is smaller than the target threshold value.
Therefore, each pressure monitoring module can include a first monitoring unit and a second monitoring unit, the water pressure data includes first water pressure data corresponding to the first monitoring unit and second water pressure data corresponding to the second monitoring unit, two water pressure values (a first water pressure value and a second water pressure value) can be obtained for each target collection time point, the target water pressure value corresponding to the target collection time point is determined through the two water pressure values, and the accuracy of the target water pressure value can be improved.
Optionally, the determining, for each target collection time point, a target water pressure value corresponding to the target collection time point based on the first water pressure value and the second water pressure value includes:
determining a target effective value as the target water pressure value when only one target effective value exists in the first water pressure value and the second water pressure value, wherein the target effective value is a nonzero value.
Specifically, after water pressure data corresponding to each pressure monitoring module is obtained, a target pressure monitoring module can be determined in two or more pressure monitoring modules, and then two or more acquisition time points corresponding to the target pressure monitoring module in a drainage stage can be determined;
specifically, for each target acquisition time point, whether the first water pressure value and the second water pressure value are effective values or not can be judged, and under the condition that only one target effective value exists in the first water pressure value and the second water pressure value, the target effective value can be determined to serve as the target water pressure value, so that a pore water pressure change trend graph corresponding to the target pressure monitoring module can be obtained based on the target water pressure value corresponding to each target acquisition time point;
specifically, the target pressure monitoring module may be any one of two or more pressure monitoring modules, and the processing may be performed on the water pressure data corresponding to each pressure monitoring module, so as to obtain a pore water pressure change trend map corresponding to each pressure monitoring module.
Therefore, each pressure monitoring module can include a first monitoring unit and a second monitoring unit, the water pressure data includes first water pressure data corresponding to the first monitoring unit and second water pressure data corresponding to the second monitoring unit, two water pressure values (a first water pressure value and a second water pressure value) can be obtained for each target collection time point, the target water pressure value corresponding to the target collection time point is determined through the two water pressure values, and the accuracy of the target water pressure value can be improved.
Optionally, the determining two or more pressure monitoring modules corresponding to the target asphalt road segment includes:
determining a road cross section label corresponding to each pressure monitoring module, and determining a target distance corresponding to each pressure monitoring module, wherein the target distance is used for representing the distance between the pressure monitoring module and a central separator of the target asphalt road section;
and determining the position of each pressure monitoring module based on the road cross section label corresponding to each pressure monitoring module and the target distance corresponding to each pressure monitoring module.
Specifically, a pile number can be selected as a foundation according to the structure of the cross section of the road, then the cross section of the road is selected by adding the pile number at each certain distance (for example, 50 meters), and pressure monitoring modules are respectively paved on each selected cross section of the road under different lengths from the central separation zone;
in order to quickly and conveniently determine the pressure monitoring module corresponding to the target asphalt road section during road operation, a road cross section label and a target distance can be configured for each pressure monitoring module, and then during road operation, the road cross section where the pressure monitoring module is located can be determined according to the road cross section label corresponding to the pressure monitoring module, the distance between the pressure monitoring module and a central separation band of the target asphalt road section can be determined according to the target distance corresponding to the pressure monitoring module, and then the specific position of the pressure monitoring module in the target asphalt road section can be determined.
For example, according to the cross-sectional structure of the road, a starting post number (post number "K50 + 000") is selected as a foundation, then the cross-section of the road is selected according to the post number increased by 50 m, the post number separated from the starting post number by 50 m is "K50 + 050", the post number separated from the starting post number by 100 m is "K50 + 100", the post number separated from the starting post number by 150 m is "K50 + 150", the post number separated from the starting post number by 200 m is "K50 + 200", and the pressure monitoring modules are respectively laid on each selected cross-section of the road under different lengths (for example, distance 1m, distance 2m, distance 4m, distance 6m, distance 8m, or distance 10 m) from the central separation zone, as shown in table 1:
TABLE 1 road Cross section Mark and target distance corresponding to pressure monitoring Module
Pile number k50+000 k50+050 k50+100 k50+150 k50+200
1m from A1 B1 C1 D1 E1
2m from the middle A2 B2 C2 D2 E2
Distance of 4m A3 B3 C3 D3 E3
Distance of 6m A4 B4 C4 D4 E4
From 8m A5 B5 C5 D5 E5
Distance of 10m A6 B6 C6 D6 E6
The pressure monitoring modules A1-A6 can be arranged on the road cross section corresponding to the pile number K50+000, the pressure monitoring modules B1-B6 can be arranged on the road cross section corresponding to the pile number K50+050, the pressure monitoring modules C1-C6 can be arranged on the road cross section corresponding to the pile number K50+100, the pressure monitoring modules D1-D6 can be arranged on the road cross section corresponding to the pile number K50+150, and the pressure monitoring modules E1-E6 can be arranged on the road cross section corresponding to the pile number K50+200, wherein the pile number can be used as the road cross section number.
Optionally, in the process of road paving, after the emulsified asphalt binder oil is spread on the middle surface of the road, the pressure monitoring module may be arranged on the binder oil according to the corresponding road cross section label and the target distance, and then the asphalt mixture on the upper surface may be laid on the road, so that the pressure monitoring module is located in the asphalt mixture layer of the target asphalt road section, and further the pressure monitoring module may perform pore water pressure data acquisition on the pores of the target asphalt road section.
Therefore, the position of each pressure monitoring module can be determined through the road cross section label corresponding to each pressure monitoring module and the target distance corresponding to each pressure monitoring module, so that water pressure data can be received from two or more pressure monitoring modules corresponding to the target asphalt road section, a pore water pressure change trend graph corresponding to each pressure monitoring module can be obtained based on the water pressure data corresponding to each pressure monitoring module, the pore water pressure of the road surface can be rapidly and nondestructively monitored on the road surface site, and the drainage speed of the monitoring point of the target asphalt road section can be judged through the pore water pressure change trend graph.
Optionally, after receiving the water pressure data corresponding to each of the pressure monitoring modules, the method further includes:
and performing linear fitting on the water pressure data corresponding to each pressure monitoring module to obtain the drainage rate corresponding to the pore at the position of each pressure monitoring module.
Specifically, two or more pressure monitoring modules can be pre-embedded in the target asphalt road section, the pressure monitoring modules can be located in an asphalt mixture layer of the target asphalt road section, and the pressure monitoring modules corresponding to the target asphalt road section can be determined under the condition that the pore water pressure of the target asphalt road section needs to be monitored;
specifically, after the pressure monitoring module corresponding to the target asphalt road section is determined, water pressure data can be received from each pressure monitoring module, and then the water pressure data corresponding to each pressure monitoring module can be obtained; after receiving the water pressure data corresponding to each pressure monitoring module, linear fitting can be performed on the water pressure data corresponding to each pressure monitoring module, and then the drainage rate corresponding to the pore at the position of each pressure monitoring module can be obtained.
Optionally, fig. 4 is a schematic diagram of a monitoring result of the method for monitoring pore water pressure provided by the present invention, as shown in fig. 4, based on water pressure data corresponding to the pressure monitoring module, a water pressure change condition of a pore at a position of the pressure monitoring module in a drainage stage can be obtained, as shown in fig. 4, an abscissa of a rectangular coordinate system represents time in seconds, an ordinate of the rectangular coordinate system represents pressure in Pa;
after the water pressure data corresponding to the pressure monitoring module is obtained, one item with the largest water pressure value in the water pressure data corresponding to the pressure monitoring module can be determined as third water pressure data; further determining two or more than two fourth water pressure data in the water pressure data corresponding to the pressure monitoring module as fitting data, wherein the acquisition time point corresponding to any one fourth water pressure data is behind the acquisition time point corresponding to the third water pressure data;
after the fitting data is obtained, linear fitting may be performed based on the fitting data, a linear fitting result (such as a fitting straight line shown in fig. 4) may be obtained, and further, based on a slope (such as a slope shown in fig. 4) corresponding to the linear fitting result, it may be determined that the drainage rate corresponding to the pore where the pressure monitoring module is located is-8.32.
Therefore, the water pressure data corresponding to each pressure monitoring module is subjected to linear fitting, the drainage rate corresponding to the pore at the position of each pressure monitoring module can be obtained, the pore water pressure change trend graph corresponding to each pressure monitoring module can be obtained based on the water pressure data corresponding to each pressure monitoring module, the pore water pressure and the drainage rate of the pavement can be rapidly and nondestructively monitored on the pavement site, and the drainage speed of the monitoring points of the target asphalt road section can be judged through the pore water pressure change trend graph and the drainage rate.
The following describes the pore water pressure monitoring device provided by the present invention, and the pore water pressure monitoring device described below and the pore water pressure monitoring method described above may be referred to in correspondence with each other.
Fig. 5 is a schematic structural diagram of a pore water pressure monitoring device provided by the present invention, as shown in fig. 5, the device includes: a determining module 501, a receiving module 502 and a first obtaining module 503, wherein:
the determining module 501 is configured to determine two or more pressure monitoring modules corresponding to a target asphalt road section, where each pressure monitoring module is located in an asphalt mixture layer of the target asphalt road section;
a receiving module 502, configured to receive water pressure data corresponding to each pressure monitoring module, where the water pressure data includes water pressure data of a pore at a position where the pressure monitoring module is located in a drainage stage;
the first obtaining module 503 is configured to obtain a pore water pressure variation trend graph corresponding to each pressure monitoring module based on the water pressure data corresponding to each pressure monitoring module.
According to the pore water pressure monitoring device provided by the invention, the water pressure data is received from two or more than two pressure monitoring modules corresponding to the target asphalt road section, the pore water pressure change trend graph corresponding to each pressure monitoring module can be obtained based on the water pressure data corresponding to each pressure monitoring module, the pore water pressure of the road surface can be rapidly and nondestructively monitored on the road surface site, and the drainage speed of the monitoring point of the target asphalt road section can be judged through the pore water pressure change trend graph.
Optionally, each of the pressure monitoring modules includes a first monitoring unit and a second monitoring unit, the water pressure data includes first water pressure data corresponding to the first monitoring unit and second water pressure data corresponding to the second monitoring unit, and the first obtaining module is specifically configured to:
determining two or more acquisition time points corresponding to a target pressure monitoring module in the drainage stage, wherein the target pressure monitoring module is any one of the two or more pressure monitoring modules, and water pressure data corresponding to the target pressure monitoring module is target water pressure data;
for each target acquisition time point, determining a target water pressure value corresponding to the target acquisition time point based on a first water pressure value and a second water pressure value, wherein the target acquisition time point is any one of the two or more acquisition time points, the first water pressure value is a water pressure value corresponding to the target acquisition time point in first water pressure data of the target water pressure data, and the second water pressure value is a water pressure value corresponding to the target acquisition time point in second water pressure data of the target water pressure data;
and acquiring a pore water pressure change trend graph corresponding to the target pressure monitoring module based on the target water pressure value corresponding to each target acquisition time point.
Optionally, the first obtaining module is specifically configured to:
and under the condition that the first water pressure value and the second water pressure value are effective values and the water pressure difference value between the first water pressure value and the second water pressure value is smaller than or equal to a target threshold value, determining the water pressure average value of the first water pressure value and the second water pressure value as the target water pressure value, wherein the effective value is a nonzero value.
Optionally, the first obtaining module is specifically configured to:
determining a target effective value as the target water pressure value when only one target effective value exists in the first water pressure value and the second water pressure value, wherein the target effective value is a nonzero value.
Optionally, the determining module is specifically configured to:
determining a road cross section label corresponding to each pressure monitoring module, and determining a target distance corresponding to each pressure monitoring module, wherein the target distance is used for representing the distance between the pressure monitoring module and a central separator of the target asphalt road section;
and determining the position of each pressure monitoring module based on the road cross section label corresponding to each pressure monitoring module and the target distance corresponding to each pressure monitoring module.
Optionally, the apparatus further includes a second obtaining module, where the second obtaining module is configured to:
after receiving the water pressure data corresponding to each pressure monitoring module, performing linear fitting on the water pressure data corresponding to each pressure monitoring module to obtain the drainage rate corresponding to the pore at the position of each pressure monitoring module.
According to the pore water pressure monitoring device provided by the invention, the water pressure data is received from the two or more than two pressure monitoring modules corresponding to the target asphalt road section, the pore water pressure change trend graph corresponding to each pressure monitoring module can be obtained based on the water pressure data corresponding to each pressure monitoring module, the pore water pressure of the road surface can be rapidly and nondestructively monitored on the road surface site, and the drainage speed of the monitoring point of the target asphalt road section can be judged through the pore water pressure change trend graph.
Fig. 6 is a schematic structural diagram of an electronic device provided in the present invention, and as shown in fig. 6, the electronic device may include: a processor (processor)610, a communication Interface (Communications Interface)620, a memory (memory)630 and a communication bus 640, wherein the processor 610, the communication Interface 620 and the memory 630 communicate with each other via the communication bus 640. The processor 610 may invoke logic instructions in the memory 630 to perform a method of pore water pressure monitoring, the method comprising:
determining two or more pressure monitoring modules corresponding to a target asphalt road section, wherein each pressure monitoring module is positioned in an asphalt mixture layer of the target asphalt road section;
receiving water pressure data corresponding to each pressure monitoring module, wherein the water pressure data comprises water pressure data of a pore at the position of the pressure monitoring module in a drainage stage;
and acquiring a pore water pressure change trend graph corresponding to each pressure monitoring module based on the water pressure data corresponding to each pressure monitoring module.
In addition, the logic instructions in the memory 630 may be implemented in software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product comprising a computer program, the computer program being stored on a non-transitory computer readable storage medium, the computer program, when executed by a processor, being capable of executing the method for monitoring pore water pressure provided by the above methods, the method comprising:
determining two or more pressure monitoring modules corresponding to a target asphalt road section, wherein each pressure monitoring module is positioned in an asphalt mixture layer of the target asphalt road section;
receiving water pressure data corresponding to each pressure monitoring module, wherein the water pressure data comprises water pressure data of a pore at the position of the pressure monitoring module in a drainage stage;
and acquiring a pore water pressure change trend graph corresponding to each pressure monitoring module based on the water pressure data corresponding to each pressure monitoring module.
In yet another aspect, the present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements a method for monitoring pore water pressure provided by performing the above methods, the method comprising:
determining two or more pressure monitoring modules corresponding to a target asphalt road section, wherein each pressure monitoring module is positioned in an asphalt mixture layer of the target asphalt road section;
receiving water pressure data corresponding to each pressure monitoring module, wherein the water pressure data comprises water pressure data of a pore at the position of the pressure monitoring module in a drainage stage;
and acquiring a pore water pressure change trend graph corresponding to each pressure monitoring module based on the water pressure data corresponding to each pressure monitoring module.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment may be implemented by software plus a necessary general hardware platform, and may also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A method of monitoring pore water pressure, comprising:
determining two or more pressure monitoring modules corresponding to a target asphalt road section, wherein each pressure monitoring module is positioned in an asphalt mixture layer of the target asphalt road section;
receiving water pressure data corresponding to each pressure monitoring module, wherein the water pressure data comprises water pressure data of a pore at the position of the pressure monitoring module in a drainage stage;
and acquiring a pore water pressure change trend graph corresponding to each pressure monitoring module based on the water pressure data corresponding to each pressure monitoring module.
2. The method for monitoring the pore water pressure according to claim 1, wherein each of the pressure monitoring modules comprises a first monitoring unit and a second monitoring unit, the water pressure data comprises first water pressure data corresponding to the first monitoring unit and second water pressure data corresponding to the second monitoring unit, and the acquiring of the pore water pressure change trend map corresponding to each of the pressure monitoring modules based on the water pressure data corresponding to each of the pressure monitoring modules comprises:
determining two or more acquisition time points corresponding to a target pressure monitoring module in the drainage stage, wherein the target pressure monitoring module is any one of the two or more pressure monitoring modules, and water pressure data corresponding to the target pressure monitoring module is target water pressure data;
for each target acquisition time point, determining a target water pressure value corresponding to the target acquisition time point based on a first water pressure value and a second water pressure value, wherein the target acquisition time point is any one of the two or more acquisition time points, the first water pressure value is a water pressure value corresponding to the target acquisition time point in first water pressure data of the target water pressure data, and the second water pressure value is a water pressure value corresponding to the target acquisition time point in second water pressure data of the target water pressure data;
and acquiring a pore water pressure change trend graph corresponding to the target pressure monitoring module based on the target water pressure value corresponding to each target acquisition time point.
3. The method for monitoring pore water pressure according to claim 2, wherein the determining, for each target collection time point, a target water pressure value corresponding to the target collection time point based on the first water pressure value and the second water pressure value comprises:
and under the condition that the first water pressure value and the second water pressure value are effective values and the water pressure difference value between the first water pressure value and the second water pressure value is smaller than or equal to a target threshold value, determining the water pressure average value of the first water pressure value and the second water pressure value as the target water pressure value, wherein the effective value is a nonzero value.
4. The method for monitoring pore water pressure according to claim 2, wherein the determining, for each target collection time point, a target water pressure value corresponding to the target collection time point based on the first water pressure value and the second water pressure value comprises:
determining a target effective value as the target water pressure value when only one target effective value exists in the first water pressure value and the second water pressure value, wherein the target effective value is a nonzero value.
5. The method for monitoring pore water pressure according to claim 1, wherein the determining two or more pressure monitoring modules corresponding to the target asphalt road section comprises:
determining a road cross section label corresponding to each pressure monitoring module, and determining a target distance corresponding to each pressure monitoring module, wherein the target distance is used for representing the distance between the pressure monitoring module and a central separator of the target asphalt road section;
and determining the position of each pressure monitoring module based on the road cross section label corresponding to each pressure monitoring module and the target distance corresponding to each pressure monitoring module.
6. The method for monitoring pore water pressure as claimed in claims 1-5, wherein after said receiving water pressure data corresponding to each of said pressure monitoring modules, said method further comprises:
and performing linear fitting on the water pressure data corresponding to each pressure monitoring module to obtain the drainage rate corresponding to the pore at the position of each pressure monitoring module.
7. A pore water pressure monitoring device, comprising:
the system comprises a determining module, a judging module and a judging module, wherein the determining module is used for determining two or more pressure monitoring modules corresponding to a target asphalt road section, and each pressure monitoring module is positioned in an asphalt mixture layer of the target asphalt road section;
the receiving module is used for receiving water pressure data corresponding to each pressure monitoring module, and the water pressure data comprises water pressure data of a pore at the position of the pressure monitoring module in a drainage stage;
the first acquisition module is used for acquiring a pore water pressure change trend graph corresponding to each pressure monitoring module based on the water pressure data corresponding to each pressure monitoring module.
8. An electronic device comprising a memory, a processor and a computer program stored on said memory and executable on said processor, wherein said processor when executing said program implements a method of monitoring pore water pressure as claimed in any one of claims 1 to 6.
9. A non-transitory computer readable storage medium having a computer program stored thereon, wherein the computer program when executed by a processor implements the method for monitoring pore water pressure according to any one of claims 1 to 6.
10. A computer program product comprising a computer program, wherein the computer program when executed by a processor implements a method for monitoring pore water pressure as claimed in any one of claims 1 to 6.
CN202210424602.4A 2022-04-21 2022-04-21 Pore water pressure monitoring method and device, electronic equipment and storage medium Pending CN115031889A (en)

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