CN216719119U - Health detection system for operation highway structure group - Google Patents
Health detection system for operation highway structure group Download PDFInfo
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- CN216719119U CN216719119U CN202122782830.2U CN202122782830U CN216719119U CN 216719119 U CN216719119 U CN 216719119U CN 202122782830 U CN202122782830 U CN 202122782830U CN 216719119 U CN216719119 U CN 216719119U
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Abstract
The utility model discloses a health detection system for an operation road structure group, which comprises: the system comprises a bridge monitoring module, a tunnel monitoring module, a slope monitoring module, a wireless communication module group and a system monitoring platform module; the wireless communication module group comprises: the system comprises a first wireless communication module, a second wireless communication module and a third wireless communication module; the first wireless communication module is in response to the bridge monitoring module, the second wireless communication module is in response to the tunnel monitoring module, the third wireless communication module is in response to the slope monitoring module, and the system monitoring platform module is in response to the first wireless communication module, the second wireless communication module and the third wireless communication module at the same time. By utilizing the sensing technology, the bridge, the side slope and the tunnel are monitored in real time, the dangerous state of the structure is captured in time, and early warning is achieved.
Description
Technical Field
The utility model belongs to the field of engineering safety monitoring, and particularly relates to a health detection system for an operation highway structure group.
Background
The service life of large building structures, in particular public infrastructures such as bridges, tunnels and the like, is as long as several decades or even hundreds of years. Due to the influence of adverse factors such as corrosion of the surrounding natural environment, fatigue effect of materials, aging and the like, structural resistance attenuation inevitably occurs and damage is gradually accumulated, so that the working performance of the material in a normal environment is influenced, the capability of the material for resisting natural disasters is reduced, and even major accidents are caused. Therefore, how to adopt effective health monitoring to the large civil engineering structure, how to evaluate the safety condition of the large civil engineering structure, and perform damage control and repair on the basis becomes an urgent problem to be solved.
First, from the analysis of the current state of the industry, many works are carried out in intelligent monitoring in various countries, including exploring established or under-built projects to obtain many results, but still have many defects.
(1) The attention degree and the coverage range of the engineering safety monitoring are insufficient. The method is only limited to simply monitoring the oversize structure and the defect structure, and the attention degree of the method on the tunnel and the slope monitoring is further insufficient.
(2) In the monitoring stage, the development of the maintenance stage is mainly used at present, and the design and application of a complete full-life construction and maintenance integrated monitoring system are not formed yet, so that the construction and maintenance monitoring are seriously disconnected.
(3) In terms of monitoring means, static monitoring is mainly used, and the monitoring means is lagged behind. Most of manual regular detection is mainly performed; in addition, although a small part of the system carries out on-line monitoring, the system only mainly carries out static monitoring and cannot grasp the dangerous state of the structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the background technology and provides an operation highway structure group health detection system, which utilizes a sensing technology to monitor bridges, slopes and tunnels in real time and grasp the dangerous state of the structure in time so as to early warn.
In order to solve the technical problem, the technical scheme of the utility model is as follows:
an operational highway structure group health detection system, comprising: the system comprises a bridge monitoring module, a tunnel monitoring module, a slope monitoring module, a wireless communication module group and a system monitoring platform module;
the wireless communication module group includes: the wireless communication system comprises a first wireless communication module, a second wireless communication module and a third wireless communication module;
the first wireless communication module is in response to the bridge monitoring module, the second wireless communication module is in response to the tunnel monitoring module, the third wireless communication module is in response to the slope monitoring module, and the system monitoring platform module is in response to the first wireless communication module, the second wireless communication module and the third wireless communication module at the same time.
All structural body management means including structural body health monitoring are maintenance of structural body operation safety services. Health information of structures such as bridges, tunnels and side slope structures along the line is transmitted to a system monitoring platform module in real time, the operation state of the structures can be acquired according to the monitoring information, and the structure damage is positioned, qualitatively and quantitatively analyzed. The dynamic real-time display of the monitoring information of the structure body structure can be realized in the system monitoring platform module, the accuracy of management and maintenance decision is improved, the safe operation service of the structure body is better served, and the intelligent early warning and intelligent display process is realized.
Further, the bridge monitoring module includes: the system comprises a static deflection monitoring unit, a strain monitoring unit, a dynamic deflection monitoring unit and a crack monitoring unit;
the static deflection monitoring unit comprises: the static level gauge is in signal connection with the acquisition instrument; the strain monitoring unit includes: the optical fiber type strain gauge is connected with the fiber grating demodulator through signals, and the dynamic deflection monitoring unit comprises: the crack monitoring device comprises a laser displacement meter and an MCU (microprogrammed control unit), wherein the laser displacement meter is electrically connected with the MCU, the crack monitoring unit comprises a crack monitor and vibrating wire type acquisition equipment, and the crack monitor is in signal connection with the vibrating wire type acquisition equipment; the signal input end of the first wireless communication module is simultaneously connected with the acquisition instrument, the fiber bragg grating demodulator, the MCU and the vibrating wire type acquisition equipment; and the signal output end of the first wireless communication module is wirelessly connected with the system monitoring platform module.
Further, the tunnel monitoring module includes: the system comprises a tunnel integral settlement monitoring unit, a lining deformation monitoring unit, a lining surface stress monitoring unit, a crack width monitoring unit, an automatic acquisition unit strain gauge and a second acquisition instrument;
the tunnel integral settlement monitoring unit comprises a miniaturized static level gauge; the lining deformation monitoring unit comprises a laser range finder, and the second acquisition instrument is simultaneously in signal connection with the miniaturized hydrostatic level and the laser range finder;
the lining surface stress monitoring unit comprises a vibrating wire type strain gauge; the crack width monitoring unit comprises a surface crack meter; the automatic acquisition unit strain gauge is simultaneously in signal connection with the vibrating wire type strain gauge and the surface joint meter;
and the signal input end of the second wireless communication module is simultaneously connected with the second acquisition instrument and the automatic acquisition unit strain gauge, and the signal output end of the second wireless communication module is infinitely connected with the system monitoring platform module.
Further, the side slope monitoring module includes: the system comprises a surface displacement monitoring unit, a deep displacement monitoring unit, an underground water level monitoring unit and a rainfall monitoring unit;
the earth's surface displacement monitoring unit includes: body surface displacement sensor and first data acquisition appearance, body surface displacement sensor signal connection first data acquisition appearance, deep displacement monitoring unit includes: fixed tester and second data acquisition appearance, fixed tester signal connection the second data acquisition appearance, ground water level monitoring unit includes: water level gauge and third data acquisition appearance, water level gauge signal connection the third data acquisition appearance, rainfall monitoring unit includes: an integrated rainfall station;
the signal input end of the third wireless communication module is simultaneously connected with the first data acquisition instrument, the second data acquisition instrument, the third data acquisition instrument and the integrated rainfall station; the signal output end of the third wireless communication module is wirelessly connected with the system monitoring platform module, the integrated automatic rainfall weather station comprises an integrated high-precision data collector, a tipping bucket type rainfall sensor, a solar charging control module, an intelligent GPRS \ GMS module and the like and related sensors, can run in an all-weather full-automatic normal mode in an unattended severe environment, and is networked in a wired or wireless mode.
Further, the first acquisition instrument or the second acquisition instrument adopts a 485 acquisition instrument.
Further, the laser displacement meter adopts a single-point laser displacement meter.
Compared with the prior art, the utility model has the advantages that: a health detection system for an operation road structure group comprises all structure body culture means including structure body health monitoring, wherein the structure body culture means are all used for maintaining the operation safety of a structure body. Health information of structures such as bridges, tunnels and side slope structures along the line is transmitted to a system monitoring platform module in real time, the operation state of the structures can be acquired according to the monitoring information, and the structure damage is positioned, qualitatively and quantitatively analyzed. The dynamic real-time display of the monitoring information of the structure body structure can be realized in the system monitoring platform module, the accuracy of management and maintenance decision is improved, the safe operation service of the structure body is better served, and the intelligent early warning and intelligent display process is realized.
Drawings
FIG. 1 is an overall system block diagram of an operational road structure group health detection system of the present invention;
Detailed Description
The following describes embodiments of the present invention with reference to examples:
it should be noted that the structures, proportions, sizes, and the like shown in the specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the contents, and do not limit the practical limitations of the present invention, and any modifications of the structures, changes of the proportion relation, or adjustments of the sizes, should fall within the scope of the technical contents disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Example one
An operational highway structure group health detection system, comprising: the system comprises a bridge monitoring module, a tunnel monitoring module, a slope monitoring module, a wireless communication module group and a system monitoring platform module;
the wireless communication module group includes: the wireless communication system comprises a first wireless communication module, a second wireless communication module and a third wireless communication module;
the first wireless communication module is in response to the bridge monitoring module, the second wireless communication module is in response to the tunnel monitoring module, the third wireless communication module is in response to the slope monitoring module, and the system monitoring platform module is in response to the first wireless communication module, the second wireless communication module and the third wireless communication module at the same time.
All structural body management means including structural body health monitoring are maintenance of structural body operation safety services. Health information of structures such as bridges, tunnels and side slope structures along the line is transmitted to a system monitoring platform module in real time, the operation state of the structures can be acquired according to the monitoring information, and the structure damage is positioned, qualitatively and quantitatively analyzed. The dynamic real-time display of the monitoring information of the structure body structure can be realized in the system monitoring platform module, the accuracy of management and maintenance decision is improved, the safe operation service of the structure body is better served, and the intelligent early warning and intelligent display process is realized.
Further, the bridge monitoring module includes: the system comprises a static deflection monitoring unit, a strain monitoring unit, a dynamic deflection monitoring unit and a crack monitoring unit;
the static deflection monitoring unit comprises: the static level gauge is in signal connection with the acquisition instrument; the strain monitoring unit includes: the optical fiber type strain gauge is connected with the fiber grating demodulator through signals, and the dynamic deflection monitoring unit comprises: the crack monitoring device comprises a laser displacement meter and an MCU (microprogrammed control unit), wherein the laser displacement meter is electrically connected with the MCU, the crack monitoring unit comprises a crack monitor and vibrating wire type acquisition equipment, and the crack monitor is in signal connection with the vibrating wire type acquisition equipment; the signal input end of the first wireless communication module is simultaneously connected with the acquisition instrument, the fiber bragg grating demodulator, the MCU and the vibrating wire type acquisition equipment; and the signal output end of the first wireless communication module is wirelessly connected with the system monitoring platform module.
Further, the tunnel monitoring module includes: the system comprises a tunnel integral settlement monitoring unit, a lining deformation monitoring unit, a lining surface stress monitoring unit, a crack width monitoring unit, an automatic acquisition unit strain gauge and a second acquisition instrument;
the tunnel integral settlement monitoring unit comprises a miniaturized static level gauge; the lining deformation monitoring unit comprises a laser range finder, and the second acquisition instrument is simultaneously in signal connection with the miniaturized hydrostatic level and the laser range finder;
the lining surface stress monitoring unit comprises a vibrating wire type strain gauge; the crack width monitoring unit comprises a surface crack meter; the automatic acquisition unit strain gauge is simultaneously in signal connection with the vibrating wire type strain gauge and the surface joint meter;
and the signal input end of the second wireless communication module is simultaneously connected with the second acquisition instrument and the automatic acquisition unit strain gauge, and the signal output end of the second wireless communication module is infinitely connected with the system monitoring platform module.
Further, the side slope monitoring module includes: the system comprises a ground surface displacement monitoring unit, a deep displacement monitoring unit, an underground water level monitoring unit and a rainfall monitoring unit;
the earth's surface displacement monitoring unit includes: body surface displacement sensor and first data acquisition appearance, body surface displacement sensor signal connection first data acquisition appearance, deep displacement monitoring unit includes: fixed tester and second data acquisition appearance, fixed tester signal connection the second data acquisition appearance, ground water level monitoring unit includes: water level gauge and third data acquisition appearance, water level gauge signal connection the third data acquisition appearance, rainfall monitoring unit includes: an integrated rainfall station;
the signal input end of the third wireless communication module is simultaneously connected with the first data acquisition instrument, the second data acquisition instrument, the third data acquisition instrument and the integrated rainfall station; the signal output end of the third wireless communication module is wirelessly connected with the system monitoring platform module, the integrated automatic rainfall weather station comprises an integrated high-precision data collector, a tipping bucket type rainfall sensor, a solar charging control module, an intelligent GPRS \ GMS module and the like and related sensors, can run in an all-weather full-automatic normal mode in an unattended severe environment, and is networked in a wired or wireless mode.
Furthermore, the first acquisition instrument or the second acquisition instrument adopts a 485 acquisition instrument, so that strain data of each direction of the dam body can be acquired and processed.
Further, the laser displacement meter adopts a single-point laser displacement meter.
It can be understood that: a health detection system for an operation road structure group comprises all structure body culture means including structure body health monitoring, wherein the structure body culture means are all used for maintaining the operation safety of a structure body. Health information of structures such as bridges, tunnels and side slope structures along the line is transmitted to a system monitoring platform module in real time, the operation state of the structures can be acquired according to the monitoring information, and the structure damage is positioned, qualitatively and quantitatively analyzed. The dynamic real-time display of the monitoring information of the structure body structure can be realized in the system monitoring platform module, the accuracy of management and maintenance decision is improved, the safe operation service of the structure body is better served, and the intelligent early warning and intelligent display process is realized.
Example two:
the second embodiment is applied to the second embodiment 1, which is an operation road structure group health detection system, specifically, an instrument and equipment installation position for structure group monitoring.
First bridge
1. Static deflection monitoring of main bridge structure
1.1 arrangement of monitoring points
A small static level is utilized, in a box girder, 1 point is respectively arranged at the side span L/2, the main span L/4, L/2 and 3L/4, the pier top of a main pier, 15 monitoring points are respectively arranged at the left and the right, and 1 reference point is arranged at the pier at the end part of each bridge.
2. Dynamic deflection monitoring
2.1 arrangement of monitoring points
Targets are installed at the left span and the right span inside the main bridge box girder, a laser is installed at the adjacent bridge pier, and 2 monitoring points are respectively distributed on the left span and the right span.
3. Main bridge structure stress monitoring
Arrangement of monitoring points
The strain gauges are arranged in the main bridge body and are respectively positioned at the side span, the main span L/2 section and the side span bridge pier, 14 monitoring sections are arranged on the left and right of the full bridge of the large bridge in total, and 4 strain gauges are arranged on each section.
Secondly, tunnel:
(1) tunnel bulk settlement monitoring
A miniaturized static level gauge is utilized to count the tunnel according to 200 m/point, a problem road section is counted according to 50 m/point, the whole settlement monitoring of the tunnel is monitored, and the tunnel is arranged at the arch foot position on one side of the tunnel. 1 datum point is respectively arranged at the left and right width stable positions of the tunnel, and if the longitudinal slope of the tunnel is larger, equipment can be added to serve as a transfer point.
(2) Lining deformation monitoring
And (3) monitoring the section deformation (convergence) according to 200m and 30m of the problem road section, adjusting the distribution positions of the sensors according to the field condition, and distributing 32 laser range finders on the left and right sides. The laser range finders are arranged along the side of the maintenance road.
(3) Lining surface stress (strain) monitoring
According to 200 m/section, the problem road section is counted according to 50 m/point, the lining surface stress (strain) is monitored, the sensor distribution position can be adjusted according to the field condition, 27 sections are distributed on the left and right sides of the Artemisia ordosica beam tunnel, 5 surface strain gauges are distributed on each section, and 135 surface strain gauges are distributed on each section.
(4) Crack width monitoring
Typical crack sites were monitored using a surface crack meter.
Side slope III
1. Surface displacement monitoring
A surface displacement sensor is utilized, taking a white river slope as an example, the number of the datum points is 2, namely, 6 grades of slopes, 5 sections and 5 measuring points/sections.
2. Deep displacement monitoring
A fixed inclinometer is utilized, taking a white river slope as an example, the middle of the 6-grade slope has 2 sections, 2 holes/section, 24 meters of hole depth and 3 meters of sensors/branch.
3. Groundwater level monitoring
Using osmometer, take the white river side slope as an example, place 1 on every other level of side slope.
Example three:
1. research on bridge monitoring technology
(1) Static deflection monitoring of main bridge structure
The deflection (static state) of the main bridge structure is monitored by a miniaturized static level gauge by adopting a hydrostatic leveling method, and the deflection of the structure is calculated by measuring the variable quantity delta h of the liquid level of each communicating pipe in the box girder.
(2) Bridge dynamic deflection monitoring
The dynamic deflection monitoring of the main bridge structure adopts a laser displacement meter (single point) for monitoring, and the monitoring of the midspan dynamic deflection is realized by measuring the horizontal and vertical dynamic displacement changes of the midspan part of the main bridge.
(3) Main bridge structure stress monitoring
And monitoring the strain of a typical section of the structure by using the distributed strain gauges, comparing an actually measured value with a stress envelope diagram calculated theoretically, and evaluating the safety of the structure.
(4) Main bridge crack monitoring
For a typical crack of a bridge, the width and the extension change of the crack are monitored, information such as the position, the cracking direction, the width and the length of the crack is recorded in detail, and a crack distribution map is drawn.
2. Study of tunnel monitoring technology
(1) Tunnel lining deformation monitoring
Monitoring the deformation of the tunnel lining by using a laser range finder. The laser range finder is an intelligent sensor integrating a digital liquid crystal display and an audible and visual alarm system and is arranged at the arch part of the tunnel (the integral deformation point monitoring part of the combined test). The main principle is that the displacement change of two points of convergence 1 (vault), convergence 2 and the like is measured by using single-axis laser to determine the convergence deformation of the tunnel.
(2) Tunnel lining surface stress monitoring
And monitoring the surface stress (strain) of the lining by using vibrating string type surface-mounted strain gauges, adjusting the distribution position of a sensor according to the field condition, distributing 5 surface strain gauges on each section, and calculating the acquired measured value to obtain a stress value.
(3) Tunnel bulk settlement monitoring
The method for measuring the hydrostatic level by using the miniaturized hydrostatic level is used for monitoring the integral settlement of the tunnel and is arranged at the arch foot part at one side of the tunnel. 1 datum point is respectively arranged at the left and right width stable positions of the tunnel, if the longitudinal slope of the tunnel is larger, equipment can be added to serve as a transfer point, and the settlement degree of the tunnel is calculated according to the height difference.
(4) Crack width monitoring
Tunnel width crack monitoring is typically monitored at the middle and both ends of the crack using a surface joint meter. And calculating the acquired data and the initial value by using a theoretical formula, and correcting the crack value by using the temperature, so that the crack value is more accurate.
3. Research on slope monitoring technology
(1) Slope surface displacement monitoring
And (5) using the ramp side slope to arrange a surface displacement sensor to monitor the surface displacement of the side slope. According to the grade number of the side slope, the monitoring sections are arranged, the reference points are selected, the dynamic and static three-dimensional coordinates of the points can be measured simultaneously, compared with the traditional scheme, the horizontal displacement and the vertical displacement do not need to be tested independently, the workload is reduced, the monitoring precision is improved, the positioning precision is high, and the requirement for monitoring the displacement of the side slope can be met.
(2) Slope deep displacement monitoring
Deep displacement is measured through a fixed inclinometer, and deep displacement monitoring is mainly used for monitoring deformation or settlement displacement of a plurality of sliding surfaces and regions.
(3) Slope ground water level monitoring
The underground water level is monitored by an osmometer which is mainly buried in a side slope and bedrock or is arranged in a piezometer pipe, a drill hole, a dam and a tunnel to measure the pore water pressure or the water level height.
(4) Slope rainfall monitoring
The rainfall of the side slope is measured by using the tipping bucket type rain gauge, and the acquired data is accurately transmitted to the monitoring center in real time.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Many other changes and modifications can be made without departing from the spirit and scope of the utility model. It is to be understood that the utility model is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (6)
1. An operational highway structure group health detection system, comprising: the system comprises a bridge monitoring module, a tunnel monitoring module, a slope monitoring module, a wireless communication module group and a system monitoring platform module;
the wireless communication module group comprises: the wireless communication system comprises a first wireless communication module, a second wireless communication module and a third wireless communication module;
the first wireless communication module is in response to the bridge monitoring module, the second wireless communication module is in response to the tunnel monitoring module, the third wireless communication module is in response to the slope monitoring module, and the system monitoring platform module is in response to the first wireless communication module, the second wireless communication module and the third wireless communication module at the same time.
2. The system of claim 1, wherein the bridge monitoring module comprises: the system comprises a static deflection monitoring unit, a strain monitoring unit, a dynamic deflection monitoring unit and a crack monitoring unit;
the static deflection monitoring unit comprises: the static level gauge is in signal connection with the acquisition instrument; the strain monitoring unit includes: the optical fiber type strain gauge is connected with the fiber grating demodulator through signals, and the dynamic deflection monitoring unit comprises: the crack monitoring unit comprises a crack monitor and vibrating wire type acquisition equipment, and the crack monitor is in signal connection with the vibrating wire type acquisition equipment; the signal input end of the first wireless communication module is simultaneously connected with the acquisition instrument, the fiber bragg grating demodulator, the MCU and the vibrating wire type acquisition equipment; and the signal output end of the first wireless communication module is wirelessly connected with the system monitoring platform module.
3. The system of claim 2, wherein the tunnel monitoring module comprises: the system comprises a tunnel integral settlement monitoring unit, a lining deformation monitoring unit, a lining surface stress monitoring unit, a crack width monitoring unit, an automatic acquisition unit strain gauge and a second acquisition instrument;
the tunnel integral settlement monitoring unit comprises a miniaturized static level gauge; the lining deformation monitoring unit comprises a laser range finder, and the second acquisition instrument is simultaneously in signal connection with the miniaturized hydrostatic level and the laser range finder;
the lining surface stress monitoring unit comprises a vibrating wire type strain gauge; the crack width monitoring unit comprises a surface crack meter; the automatic acquisition unit strain gauge is simultaneously in signal connection with the vibrating wire type strain gauge and the surface joint meter;
and the signal input end of the second wireless communication module is simultaneously connected with the second acquisition instrument and the automatic acquisition unit strain gauge, and the signal output end of the second wireless communication module is infinitely connected with the system monitoring platform module.
4. The system of claim 1, wherein the slope monitoring module comprises: the system comprises a surface displacement monitoring unit, a deep displacement monitoring unit, an underground water level monitoring unit and a rainfall monitoring unit;
the earth's surface displacement monitoring unit includes: body surface displacement sensor and first data acquisition appearance, body surface displacement sensor signal connection first data acquisition appearance, deep displacement monitoring unit includes: fixed tester and second data acquisition appearance, fixed tester signal connection the second data acquisition appearance, ground water level monitoring unit includes: water level gauge and third data acquisition appearance, water level gauge signal connection the third data acquisition appearance, rainfall monitoring unit includes: an integrated rainfall station;
the signal input end of the third wireless communication module is simultaneously connected with the first data acquisition instrument, the second data acquisition instrument, the third data acquisition instrument and the integrated rainfall station; and the signal output end of the third wireless communication module is wirelessly connected with the system monitoring platform module.
5. The system for detecting the health of a structural group of an operating road as claimed in claim 3, wherein the first or second collecting device is a 485 collecting device.
6. The system for detecting health of structural groups of operating roads as claimed in claim 2, wherein said laser displacement meter is a single-point laser displacement meter.
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