CN111926662A - Online monitoring method and system for pavement settlement - Google Patents
Online monitoring method and system for pavement settlement Download PDFInfo
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- CN111926662A CN111926662A CN202010086391.9A CN202010086391A CN111926662A CN 111926662 A CN111926662 A CN 111926662A CN 202010086391 A CN202010086391 A CN 202010086391A CN 111926662 A CN111926662 A CN 111926662A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
Abstract
The invention relates to a pavement settlement on-line monitoring method and a system. The method comprises the following steps: arranging a monitoring standard template at a road surface monitoring point, and arranging a template standard line on the monitoring standard template; emitting laser to the template standard line through a laser emitting device; vertically aligning a laser emitting device to a plane where a monitoring standard template is located to obtain light spots; determining the distance between the light spot and the template standard line, and setting the distance as a first distance; after the time length is set, determining the distance between the light spot and the template standard line, and setting the distance as a second distance; if the first distance is the same as the second distance, no pavement settlement occurs; if the first distance is different from the second distance, the pavement settlement occurs; acquiring a laser emission angle of the inclination angle measuring module; and determining the pavement settlement value of the pavement monitoring point according to the first distance, the second distance and the laser emission angle. The invention solves the problems that the safety of measuring personnel can not be ensured, the measuring cost is high and the road surface settlement data can not be monitored on line in real time in the existing measuring mode.
Description
Technical Field
The invention relates to the field of pavement settlement monitoring, in particular to an online pavement settlement monitoring method and system.
Background
The existing engineering measurement of the road surface settlement is mainly based on a total station and a level gauge, the total station and the level gauge are required to be operated by manual observation, full-automatic measurement and data transmission cannot be realized basically, and errors are relatively large. When in measurement, an operator is required to operate at a measurement point, but the general measurement points are all positioned on the road surface of the vehicle-water dragon or a relatively dangerous roadbed, so that the safety of the operator is not powerfully guaranteed, the measurement cost of each point position is over thousand yuan, and therefore, each department also has to consume considerable manpower and material resources.
When the total station is used for measurement, a special reference point needs to be set, and measurement and observation are carried out by professional technicians. However, various new technologies are applied to the emergence of construction technologies with high difficulty, particularly underground construction of large cities (such as construction of subways, underground parking lots and the like), and the requirement on the safety of construction is improved, so that the settlement of the road surface needs to be measured in real time, but no relevant method which can be popularized in a large area is available in the aspect of whole engineering measurement.
Disclosure of Invention
The invention aims to provide a road surface settlement online monitoring method and a road surface settlement online monitoring system, which solve the problems that the safety of measuring personnel cannot be ensured, the measuring cost is high and the road surface settlement data cannot be monitored online in real time in the conventional measuring mode.
In order to achieve the purpose, the invention provides the following scheme:
an online pavement settlement monitoring method, which applies a laser emitting device provided with an inclination angle measuring module and a camera, comprises:
arranging a monitoring standard template at a road surface monitoring point, wherein a template standard line is arranged on the monitoring standard template;
emitting laser to the template standard line through a laser emitting device;
vertically aligning the laser emitting device to the plane of the monitoring standard template to obtain a light spot;
determining the distance between the light spot and the template standard line, and setting the distance as a first distance;
after the time length is set, determining the distance between the light spot and the template standard line, and setting the distance as a second distance;
if the first distance is the same as the second distance, no pavement settlement occurs;
if the first distance and the second distance are different, road surface settlement occurs;
acquiring a laser emission angle of the inclination angle measuring module;
and determining the pavement settlement value of the pavement monitoring point according to the first distance, the second distance and the laser emission angle.
Optionally, the determining a road surface settlement value according to the first distance, the second distance, and the laser emission angle specifically includes:
using a formula d ═ L (L) according to the first distance, the second distance, and the laser emission angle2-L1) Tan alpha, determining a pavement settlement value of the pavement monitoring point;
wherein L is2Is a second distance, L1The distance is a first distance, alpha is a transmitting angle, and d is a pavement settlement value of a pavement monitoring point.
Optionally, the determining a distance between the light spot and the template standard line, which is set as a first distance, specifically includes:
shooting a road surface picture through the camera, wherein the road surface picture comprises light spots and template standard lines;
and determining the distance between the light spot and the template standard line according to the road surface picture.
Optionally, after the duration is set, determining a distance between the light spot and the template standard line, and setting the distance as a second distance specifically includes:
after the time length is set, a road surface picture is shot through the camera, and the road surface picture comprises light spots and a template standard line;
and determining the distance between the light spot and the template standard line according to the road surface picture.
The utility model provides a road surface subsides on-line monitoring system, the system uses laser emission device, set up inclination measuring module and camera in the laser emission device, include:
the monitoring standard template setting module is used for setting the monitoring standard template at a road surface monitoring point, and a template standard line is arranged on the monitoring standard template;
the laser emitting module is used for emitting laser to the template standard line through a laser emitting device;
the light spot determining module is used for vertically aligning the laser emitting device to the plane of the monitoring standard template to obtain a light spot;
the first distance determining module is used for determining the distance between the light spot and the template standard line and setting the distance as a first distance;
the second distance determining module is used for determining the distance between the light spot and the template standard line after the duration is set, and setting the distance as a second distance;
a non-occurrence road surface settlement result determining module, configured to, when the first distance and the second distance are the same, determine that no road surface settlement occurs;
a road surface settlement result determining module for determining that road surface settlement occurs when the first distance and the second distance are different;
the laser emission angle acquisition module is used for acquiring the laser emission angle of the inclination angle measurement module;
and the road surface settlement value determining module is used for determining the road surface settlement value of the road surface monitoring point according to the first distance, the second distance and the laser emission angle.
Optionally, the road surface settlement value determining module specifically includes:
using a formula d ═ L (L) according to the first distance, the second distance, and the laser emission angle2-L1) Tan alpha, determining a pavement settlement value of the pavement monitoring point;
wherein L is2Is a second distance, L1The distance is a first distance, alpha is a transmitting angle, and d is a pavement settlement value of a pavement monitoring point.
Optionally, the first distance determining module specifically includes:
the first road surface picture shooting unit is used for shooting a road surface picture through the camera, and the road surface picture comprises light spots and a template standard line;
and the first distance determining unit is used for determining the distance between the light spot and the template standard line according to the road surface picture.
Optionally, the second distance determining module specifically includes:
the second road surface picture shooting unit is used for shooting a road surface picture through the camera after the time length is set, and the road surface picture comprises light spots and template standard lines;
and the second distance determining unit is used for determining the distance between the light spot and the template standard line according to the road surface picture.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention provides a road surface settlement on-line monitoring method and a system, wherein a monitoring standard template is arranged at a road surface monitoring point, and a template standard line is arranged on the monitoring standard template; emitting laser to the template standard line through a laser emitting device; vertically aligning a laser emitting device to a plane where a monitoring standard template is located to obtain light spots; determining the distance between the light spot and the template standard line, and setting the distance as a first distance; after the time length is set, determining the distance between the light spot and the template standard line, and setting the distance as a second distance; if the first distance is the same as the second distance, no pavement settlement occurs; if the first distance is different from the second distance, the pavement settlement occurs; acquiring a laser emission angle of the inclination angle measuring module; according to the first distance, the second distance and the laser emission angle, the pavement settlement value of the pavement monitoring point is determined, and the problems that in the existing measuring mode, the safety of measuring personnel cannot be guaranteed, the measuring cost is high, and the pavement settlement data cannot be monitored in real time on line are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a flow chart of the road surface settlement on-line monitoring method of the invention;
FIG. 2 is a schematic diagram of the measurement of the present invention;
FIG. 3 is a schematic diagram of the calculation of the present invention;
fig. 4 is a structural diagram of the road surface settlement on-line monitoring system of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The invention aims to provide a road surface settlement online monitoring method and a road surface settlement online monitoring system, which solve the problems that the safety of measuring personnel cannot be ensured, the measuring cost is high and the road surface settlement data cannot be monitored online in real time in the conventional measuring mode.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
FIG. 1 is a flow chart of the road surface settlement on-line monitoring method of the invention. An online pavement settlement monitoring method applies a laser emitting device, wherein an inclination angle measuring module and a camera are arranged in the laser emitting device, as shown in fig. 1, the online pavement settlement monitoring method comprises the following steps:
step 101: and arranging a monitoring standard template at a road surface monitoring point, wherein a template standard line is arranged on the monitoring standard template.
Step 102: and emitting laser to the template standard line through a laser emitting device.
Step 103: and vertically aligning the laser emitting device to the plane of the monitoring standard template to obtain a light spot.
Step 104: determining the distance between the light spot and the template standard line, and setting the distance as a first distance, specifically comprising:
and shooting a road surface picture through the camera, wherein the road surface picture comprises light spots and template standard lines.
And determining the distance between the light spot and the template standard line according to the road surface picture.
Step 105: after the duration is set, determining the distance between the light spot and the template standard line, and setting the distance as a second distance, specifically comprising:
after the time length is set, a road surface picture is shot through the camera, and the road surface picture comprises light spots and template standard lines.
And determining the distance between the light spot and the template standard line according to the road surface picture.
Step 106: and if the first distance is the same as the second distance, no pavement settlement occurs.
Step 107: if the first distance and the second distance are different, road surface settlement occurs.
Step 108: and acquiring the laser emission angle of the inclination angle measuring module.
Step 109: according to the first distance, the second distance and the laser emission angle, determining a pavement settlement value of the pavement monitoring point, and specifically comprising the following steps:
using a formula d ═ L (L) according to the first distance, the second distance, and the laser emission angle2-L1) Tan alpha, determining the pavement settlement value of the pavement monitoring point.
Wherein L is2Is a second distance, L1The distance is a first distance, alpha is a transmitting angle, and d is a pavement settlement value of a pavement monitoring point.
Fig. 2 is a measurement schematic diagram of the present invention, and fig. 3 is a calculation schematic diagram of the present invention.
The invention provides an online monitoring method for pavement settlement, which can be widely applied to pavement settlement and subgrade settlement of highways and subgrade settlement of high-speed rails. The method has the functions of self-correction, high precision, and equal monitoring. The invention provides an online monitoring method for pavement settlement, which utilizes a camera to identify the distance between a light spot and a standard line so as to realize online monitoring of a settlement value. The invention provides an online monitoring method for pavement settlement, which can solve the problem of online measurement of pavement settlement in engineering measurement, solve the problems that the safety of measuring personnel cannot be ensured, the labor intensity is high, and data cannot be monitored online in real time in the conventional pavement settlement measuring mode, and greatly facilitate on-site measurement, construction, supervision and the like.
Taking the existing urban underground construction as an example, the monitoring and detection of the road surface settlement in the construction process are very important matters, and the monitoring and detection are related to the safety and the progress of the underground construction and are also related to the safety of pedestrians and vehicles on the road surface. At present, the main measurement mode is that a professional manually measures and uploads data through a level gauge, the real-time monitoring of the pavement settlement is an urgent problem, an effective monitoring method is not available at present, the monitoring is mainly realized by manpower, the measurement cost of each point position is more than thousand yuan, and therefore each department has to consume considerable manpower and material resources. By adopting the method disclosed by the patent, the settlement of the pavement can be remotely monitored in real time, full-automatic monitoring can be realized, the monitoring frequency can be changed at any time, the construction safety and the construction progress of a site are greatly ensured, and a large amount of manpower and material resources are saved.
In the current urban road network, there is a large amount of pipe networks in the operation in the below of highway, the condition of road surface below is also very complicated, the problem that any pipe network goes out, finally all can lead to the road surface to take place to subside, the road surface that all takes place in a plurality of cities of china collapses and leads to the casualties accident of personnel's safety, but at present there is not an effectual monitoring method, carry out real-time monitoring to the road surface, all rely on relevant monitoring unit to carry out periodic monitoring, often because the monitoring is untimely can't discover the problem and appear, lead to dangerous the emergence, also invest in a large amount of manpower and materials every year for this government. After the method of the invention is adopted, the real-time monitoring of the appointed point of the road surface can be realized, the full-automatic detection is realized, the falsification of data is avoided, and a large amount of cost can be saved.
In the case of engineering detection accidents, the construction problem is not caused, but the detection and monitoring are not in place, and in addition, false detection is also the main reason of accidents.
The method has the advantages that the standard line for comparison is arranged on the monitoring standard template, settlement can be calculated as long as the distance between a light spot and the standard line is read in each measurement, the method is not influenced by the position of a camera device and the posture of a camera, and the angle of emitted laser can be known by adopting a laser emitting device with a high-precision inclination angle device arranged in a laser head; the camera for measurement can take one picture each time, and the measurement time can be finished within one or two seconds, so that the online monitoring of the pavement settlement can be realized.
Fig. 4 is a structural diagram of the road surface settlement on-line monitoring system of the invention. The utility model provides a road surface subsides on-line monitoring system uses laser emission device, set up inclination measuring module and camera in the laser emission device, as shown in figure 4, a road surface subsides on-line monitoring system includes:
the monitoring standard template setting module 201 is used for setting the monitoring standard template at a road surface monitoring point, and template standard lines are arranged on the monitoring standard template.
And the laser emitting module 202 is used for emitting laser to the template standard line through a laser emitting device.
And the light spot determining module 203 is configured to vertically align the laser emitting device with a plane where the monitoring standard template is located, so as to obtain a light spot.
A first distance determining module 204, configured to determine a distance between the spot and the template standard line, which is set as a first distance.
And a second distance determining module 205, configured to determine, after the duration is set, a distance between the light spot and the template standard line, and set the distance as a second distance.
A non-occurrence road surface settlement result determining module 206, configured to, when the first distance and the second distance are the same, determine that no road surface settlement occurs.
A road surface settlement result determining module 207 for determining that the road surface settlement occurs when the first distance and the second distance are different.
And a laser emission angle obtaining module 208, configured to obtain a laser emission angle of the tilt angle measuring module.
And a road surface settlement value determining module 209, configured to determine a road surface settlement value of the road surface monitoring point according to the first distance, the second distance, and the laser emission angle.
The road surface settlement value determining module 209 specifically includes:
using a formula d ═ L (L) according to the first distance, the second distance, and the laser emission angle2-L1) Tan alpha, determining the pavement settlement value of the pavement monitoring point.
Wherein L is2Is a second distance, L1The distance is a first distance, alpha is a transmitting angle, and d is a pavement settlement value of a pavement monitoring point.
The first distance determining module 204 specifically includes:
and the first road surface picture shooting unit is used for shooting a road surface picture through the camera, and the road surface picture comprises light spots and template standard lines.
And the first distance determining unit is used for determining the distance between the light spot and the template standard line according to the road surface picture.
The second distance determining module 205 specifically includes:
and the second road surface picture shooting unit is used for shooting a road surface picture through the camera after the time length is set, wherein the road surface picture comprises light spots and template standard lines.
And the second distance determining unit is used for determining the distance between the light spot and the template standard line according to the road surface picture.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. An online pavement settlement monitoring method is characterized in that a laser emitting device is applied in the method, an inclination angle measuring module and a camera are arranged in the laser emitting device, and the method comprises the following steps:
arranging a monitoring standard template at a road surface monitoring point, wherein a template standard line is arranged on the monitoring standard template;
emitting laser to the template standard line through a laser emitting device;
vertically aligning the laser emitting device to the plane of the monitoring standard template to obtain a light spot;
determining the distance between the light spot and the template standard line, and setting the distance as a first distance;
after the time length is set, determining the distance between the light spot and the template standard line, and setting the distance as a second distance;
if the first distance is the same as the second distance, no pavement settlement occurs;
if the first distance and the second distance are different, road surface settlement occurs;
acquiring a laser emission angle of the inclination angle measuring module;
and determining the pavement settlement value of the pavement monitoring point according to the first distance, the second distance and the laser emission angle.
2. The method according to claim 1, wherein the determining a road surface settlement value according to the first distance, the second distance and the laser emission angle specifically comprises:
using a formula d ═ L (L) according to the first distance, the second distance, and the laser emission angle2-L1) Tan alpha, determining a pavement settlement value of the pavement monitoring point;
wherein L is2Is a second distance, L1The distance is a first distance, alpha is a transmitting angle, and d is a pavement settlement value of a pavement monitoring point.
3. The online pavement settlement monitoring method according to claim 1, wherein the determining a distance between the light spot and the template standard line is set as a first distance, and specifically comprises:
shooting a road surface picture through the camera, wherein the road surface picture comprises light spots and template standard lines;
and determining the distance between the light spot and the template standard line according to the road surface picture.
4. The method for on-line monitoring of road surface settlement according to claim 1, wherein after the set duration, determining the distance between the light spot and the template standard line, and setting the distance as a second distance specifically comprises:
after the time length is set, a road surface picture is shot through the camera, and the road surface picture comprises light spots and a template standard line;
and determining the distance between the light spot and the template standard line according to the road surface picture.
5. The utility model provides a road surface subsides on-line monitoring system, its characterized in that, the system uses laser emission device, set up inclination measuring module and camera in the laser emission device, include:
the monitoring standard template setting module is used for setting the monitoring standard template at a road surface monitoring point, and a template standard line is arranged on the monitoring standard template;
the laser emitting module is used for emitting laser to the template standard line through a laser emitting device;
the light spot determining module is used for vertically aligning the laser emitting device to the plane of the monitoring standard template to obtain a light spot;
the first distance determining module is used for determining the distance between the light spot and the template standard line and setting the distance as a first distance;
the second distance determining module is used for determining the distance between the light spot and the template standard line after the duration is set, and setting the distance as a second distance;
a non-occurrence road surface settlement result determining module, configured to, when the first distance and the second distance are the same, determine that no road surface settlement occurs;
a road surface settlement result determining module for determining that road surface settlement occurs when the first distance and the second distance are different;
the laser emission angle acquisition module is used for acquiring the laser emission angle of the inclination angle measurement module;
and the road surface settlement value determining module is used for determining the road surface settlement value of the road surface monitoring point according to the first distance, the second distance and the laser emission angle.
6. The system according to claim 5, wherein the module for determining the value of road surface settlement comprises:
using a formula d ═ L (L) according to the first distance, the second distance, and the laser emission angle2-L1) Tan alpha, determining a pavement settlement value of the pavement monitoring point;
wherein L is2Is a second distance, L1The distance is a first distance, alpha is a transmitting angle, and d is a pavement settlement value of a pavement monitoring point.
7. The system for on-line monitoring of road surface settlement according to claim 5, wherein the first distance determining module specifically comprises:
the first road surface picture shooting unit is used for shooting a road surface picture through the camera, and the road surface picture comprises light spots and a template standard line;
and the first distance determining unit is used for determining the distance between the light spot and the template standard line according to the road surface picture.
8. The system for on-line monitoring of road surface settlement according to claim 5, wherein the second distance determination module specifically comprises:
the second road surface picture shooting unit is used for shooting a road surface picture through the camera after the time length is set, and the road surface picture comprises light spots and template standard lines;
and the second distance determining unit is used for determining the distance between the light spot and the template standard line according to the road surface picture.
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Application publication date: 20201113 |