CN211291565U - Tunnel construction dynamic monitoring and early warning system - Google Patents
Tunnel construction dynamic monitoring and early warning system Download PDFInfo
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- CN211291565U CN211291565U CN202020202775.8U CN202020202775U CN211291565U CN 211291565 U CN211291565 U CN 211291565U CN 202020202775 U CN202020202775 U CN 202020202775U CN 211291565 U CN211291565 U CN 211291565U
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Abstract
The utility model belongs to the technical field of the tunnel geology. A tunnel construction dynamic monitoring and early warning system and a realization method thereof are provided, wherein the system comprises an advanced forecasting unit, a tunnel geological analysis and judgment unit, a tunnel disaster analysis unit and a management control platform; the output end of the advanced forecasting unit is electrically connected with the tunnel geological analysis and judgment unit through the wireless communication module, the output end of the tunnel geological analysis and judgment unit is electrically connected with the tunnel disaster analysis unit, and the output ends of the advanced forecasting unit, the tunnel geological analysis and judgment unit and the tunnel disaster analysis unit are electrically connected with the management control platform. The utility model discloses can carry out comprehensive investigation and data analysis to tunnel geological conditions and judge, carry out real-time supervision and early warning to bad geologic bodies such as surrounding rock deformation in the tunnel hole, calamity in the tunnel hole, reduce the accident rate.
Description
Technical Field
The utility model belongs to the technical field of the tunnel geology, concretely relates to tunnel construction dynamic monitoring and early warning system.
Background
Along with the rapid development of national economy, the highway traffic construction of China is developed vigorously in recent years, and the scale of highway construction is continuously enlarged. At present, China becomes the world with the largest number of tunnels, the most complex situation and the fastest development. The construction geological conditions of the highway tunnel are complex, many uncertain factors exist, the construction period can be influenced, and the probability of occurrence of emergency is increased continuously.
The tunnel construction work content is more and more complicated, and engineering accidents such as sudden large-scale collapse, roof fall, water burst, mud burst and the like often occur in the tunnel excavation construction process and disasters such as surface subsidence, surface water resource exhaustion, surface ecological environment and the like are induced. Scientific, advanced system control theory and methods need to be applied to solve and manage these complex problems to ensure the safety of the control tunnel. In the dynamic construction and early warning development of the tunnel, the disaster early warning in the tunnel construction process is still in the starting stage, disaster precursor information is difficult to capture due to the complexity and diversity of geological conditions and disaster inducing factors, and in addition, the advanced geological forecast work cannot carry out comprehensive investigation and data analysis and judgment on the geological conditions due to the immaturity of the dynamic monitoring technology and the imperfection of the research theory, so that the normal construction is influenced. Therefore, the development and research on the aspects of geological exploration, geological disaster outburst and risk assessment, risk source identification, early warning technology and the like of the tunnel become key problems to be solved urgently in tunnel construction.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a tunnel construction dynamic monitoring and early warning system can carry out comprehensive investigation and data analysis to tunnel geological conditions and judge, warp to the country rock in the tunnel hole, carries out real-time supervision and early warning to bad geologic bodies such as calamity in the tunnel hole, reduces the accident rate, eliminates the potential safety hazard.
The utility model discloses an above-mentioned technical problem is solved to following technical scheme:
a tunnel construction dynamic monitoring and early warning system comprises an advanced forecasting unit, a tunnel geological analysis and judgment unit, a tunnel disaster analysis unit and a management control platform; the output end of the advanced forecasting unit is electrically connected with the tunnel geological analysis and judgment unit through the wireless communication module, the output end of the tunnel geological analysis and judgment unit is electrically connected with the tunnel disaster analysis unit, and the output ends of the advanced forecasting unit, the tunnel geological analysis and judgment unit and the tunnel disaster analysis unit are electrically connected with the management control platform.
Further, the advanced forecasting unit comprises an advanced forecasting controller, an engineering geological survey device, a physical detection device and an advanced horizontal drilling device; the advanced forecasting controller is electrically connected with the engineering geological survey device, the advanced horizontal drilling device and the physical detection device respectively.
Further, the engineering geological survey device comprises a digital camera, a laser range finder and an illuminating device; the digital camera is arranged right in front of the face and used for completely shooting the image of the whole face, the laser range finder and the digital camera are arranged side by side, and the illuminating device is arranged in a non-imaging area of the digital camera.
Further, the advanced horizontal drilling device comprises a full hydraulic drilling machine.
Furthermore, the physical detection device comprises a geological radar detector, a seismic wave detector, a land sonar instrument and an infrared detector.
Further, the management control platform comprises a display, a data storage, an alarm and a management controller; the display, the data memory and the alarm are respectively and electrically connected with the management controller.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a tunnel construction dynamic monitoring and early warning system exploration form is various and the result is accurate. Through a wireless transmission technology, an advanced forecasting unit, a tunnel geological analysis and judgment unit, a tunnel disaster analysis unit and a management control platform form an integrated monitoring and early warning system, so that the disasters are evaluated, predicted and early warned in advance.
2. The utility model discloses make full use of engineering geology investigation device, leading horizontal drilling device and physical detection device can directly reveal the geological features of face front country rock, obtain more accurate geological parameters. By arranging the tunnel geological analysis and judgment unit, the system can analyze and intelligently learn, judge whether a fracture and breakage zone exists in stratum and related data analysis and judgment, and promote the construction of the intelligent tunnel. Through the arrangement of the tunnel disaster analysis unit, risk management can be performed on the geological real condition acquired by the advanced forecasting unit and the judgment result of the tunnel geological analysis and judgment unit, the tunnels are subjected to disaster judgment and classification, whether the tunnel is subjected to disaster continuous tunneling or not, the probability condition of the disaster occurrence and the range of the disaster influence are estimated, and the probability evaluation and the prejudgment of the geological disaster are realized. The utility model discloses can also monitor the early warning to tunnel engineering's work progress, construct tunnel construction safety risk early warning system, realize all-round, dynamic tunnel construction for similar engineering and provide the reference, in case monitor there is construction safety danger and just make the early warning, reduce the emergence of incident, eliminate the potential safety hazard, avoid the casualties. And the data of the whole tunnel construction process can be stored to form a geological database of the whole tunnel process, and the danger identification capability of the database is continuously increased.
Drawings
Fig. 1 is a system block diagram of a dynamic monitoring and early warning system for tunnel construction according to the present invention;
fig. 2 is the utility model relates to a tunnel construction dynamic monitoring and early warning system's use flow chart.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and examples. It should be noted that the specific embodiments of the present invention are only for clearly describing the technical solutions, and should not be taken as a limitation to the scope of the present invention.
Referring to fig. 1-2, a dynamic monitoring and early warning system for tunnel construction includes an advance forecasting unit, a tunnel geological analysis and judgment unit, a tunnel disaster analysis unit and a management control platform; the output end of the advanced forecasting unit is electrically connected with the tunnel geological analysis and judgment unit through a wireless communication module, the output end of the tunnel geological analysis and judgment unit is electrically connected with the tunnel disaster analysis unit, and the output ends of the advanced forecasting unit, the tunnel geological analysis and judgment unit and the tunnel disaster analysis unit are electrically connected with the management control platform;
the advanced forecasting unit is used for advanced exploration of the tunnel face of the tunnel to acquire the front geological condition of construction operation;
the tunnel geological analysis and judgment unit is used for inputting tunnel standard design parameters and information collected by the advanced forecasting unit, analyzing and judging whether a driving tunnel has a bad geological body, and further predicting whether the tunnel design parameters need to be corrected; by arranging the tunnel geological analysis and judgment unit, the system can analyze and intelligently learn, judge whether a fracture and breakage zone exists in stratum and related data analysis and judgment, and promote the construction of the intelligent tunnel.
The tunnel disaster analysis unit is used for acquiring the geological real condition and the judgment result of the tunnel geological analysis and judgment unit by combining the advanced forecasting unit, judging and classifying disasters, and estimating whether the disasters occur, probability conditions of the disasters and the range of disaster influences; through the arrangement of the tunnel disaster analysis unit, risk management can be performed on the geological real condition acquired by the advanced forecasting unit and the judgment result of the tunnel geological analysis and judgment unit, the tunnels are subjected to disaster judgment and classification, whether the tunnel is subjected to disaster continuous tunneling or not, the probability condition of the disaster occurrence and the range of the disaster influence are estimated, and the probability evaluation and the prejudgment of the geological disaster are realized.
And the management control platform is used for carrying out final decision judgment according to the estimation result of the tunnel disaster analysis unit, realizing real-time monitoring and early warning on tunnel unfavorable geology, surrounding rock deformation and tunnel environment, and storing data of the whole tunnel construction process to form a tunnel whole-process geological database. The utility model discloses can also monitor the early warning to tunnel engineering's work progress, construct tunnel construction safety risk early warning system, realize all-round, dynamic tunnel construction for similar engineering and provide the reference, in case monitor there is construction safety danger and just make the early warning, reduce the emergence of incident, eliminate the potential safety hazard, avoid the casualties. And the data of the whole tunnel construction process can be stored to form a geological database of the whole tunnel process, and the danger identification capability of the database is continuously increased.
The utility model discloses a tunnel construction dynamic monitoring and early warning system exploration form is various and the result is accurate. Through a wireless transmission technology, an advanced forecasting unit, a tunnel geological analysis and judgment unit, a tunnel disaster analysis unit and a management control platform form an integrated monitoring and early warning system, so that the disasters are evaluated, predicted and early warned in advance. The utility model discloses safety problem to existence in the construction of our country's highway mountain tunnel, combine the thought of risk management, according to the essential character of tunnel construction safety risk, the means that utilizes current advance forecast uses tunnel construction advance forecast and monitoring as the foundation, to under the construction scheme of difference, the construction check point is studied deeply, through processing and the analysis to forecast detection gained data, make the judgement to the stability of tunnel country rock, each system and operation platform data information adopt the wireless transmission mode conveying, collect in the management control platform and store and the analysis, form the system of monitoring and early warning integration.
The advanced forecasting unit comprises an advanced forecasting controller, an engineering geological survey device, a physical detection device and an advanced horizontal drilling device; the advanced forecasting controller is electrically connected with the engineering geological survey device, the advanced horizontal drilling device and the physical detection device respectively; the engineering geological survey device is used for collecting information of stratum lithology, geological structure, unfavorable geology and hydrogeology of the area where the tunnel is located; the physical detection device detects the center and two sides of the tunnel through radar, seismic waves, land sonar and infrared detection; the advanced horizontal drilling device is used for acquiring and verifying unfavorable geological data of a tunnel area to be tunneled and performing advanced forecasting on the unfavorable geological data. The utility model discloses make full use of engineering geology investigation device, leading horizontal drilling device and physical detection device can directly reveal the geological features of face front country rock, obtain more accurate geological parameters.
The engineering geological survey device comprises a digital camera, a laser range finder and an illuminating device; the digital camera is arranged right in front of the face and used for completely shooting the image of the whole face, the laser range finder and the digital camera are arranged side by side, and the illuminating device is arranged in a non-imaging area of the digital camera. The laser range finder is used for determining the installation position of the digital camera, and also assisting in measuring the flatness of the surface of the tunnel lining and determining joint parameters; the digital camera, the laser range finder and the illuminating device are combined to collect the information of the face, so that the data recorded by the face geological recording system is more comprehensive and accurate, and a good foundation is laid for geological data collection and prediction.
In the embodiment of the utility model, the advanced horizontal drilling device comprises an ZYG-150 type full hydraulic drilling machine. The physical detection device comprises an RIS-2KA geological radar detector, a TSP seismic wave detector, an LDS1A land sonar instrument and an HY-303 infrared detector.
Further, the management control platform comprises a display, a data storage, an alarm and a management controller; the display, the data memory and the alarm are respectively and electrically connected with the management controller. The early warning measure is, after predicting dangerous information, adopts the LED display to present dangerous concrete position to carry out voice broadcast through the alarm, remind site constructor, in addition, the staff also can be through APP at the terminal real-time observation tunnel stratum condition, take the measure to provide the basis for the staff to tunnel construction.
The utility model relates to a tunnel construction dynamic monitoring and early warning system's implementation method, this method includes following step:
(1) inputting tunnel surrounding environment parameters and tunnel design parameters according to the interface requirements of a management control platform;
(2) excavating the tunneling tunnel, starting an engineering geological survey device, and performing geological survey and sketch on the tunnel face of the tunneling tunnel; after tunnel blasting excavation, the geological condition of the tunnel face is timely mastered by a geological sketch means, and geological condition forecast is provided for tunnel excavation by comparing with design data.
(3) According to the excavation condition, a proper advanced geological prediction method is selected for prediction, and a physical detection device or an advanced horizontal drilling device is adopted for advanced detection of the tunnel face;
when a seismic wave detector is adopted for detection, acquiring position data of lithologic change zones existing in the range of 100-150m in front of the tunnel face of the tunnel;
the infrared detector can be used for detecting the hidden water-containing structure of the tunnel, and the hidden water-containing structure in front of the tunnel is tracked and detected by using the field intensity difference of radiation fields of different objects. During detection, acquiring water-containing body position and scale data within the range of 35-40m in front of the tunnel face of the tunnel;
when a land sonar instrument is used for detection, acquiring spatial position data of a bad geologic body in the range of 30-35m in front of a tunnel face; the land sonar instrument mainly transmits signals generated by the impact hammer and data collected by the sensor to the host, can quickly transmit the data to the host by using the mode, and can be used for geological determination and calculation of the spatial position of a bad geologic body through a time profile and a display graph. The method has the advantages of short working time, simple operation, hammering for the seismic source, less workers and the like.
When a geological radar detector is adopted for detection, specific position and scale data of a bad geological body within the range of 25-30m in front of a tunnel face are obtained, and particularly, the detection effect on a water-containing geological body is good; after the transmitting antenna of the geological radar sends out electromagnetic waves in a microwave frequency range, the electromagnetic waves are reflected when uneven media or medium constants are different, reflected signals are received and recorded by the receiving antenna, and a radar profile is formed through microcomputer processing. And analyzing the radar profile to obtain the specific position and scale of the poor geologic body in front of the tunnel face.
When the advanced horizontal drilling device is used for detection, detection is carried out once every 20m in the tunneling direction of the tunnel, 5 horizontal drilling holes with the hole depth of 6-8m are uniformly distributed on the periphery of the tunnel face of the tunneling tunnel, and data such as the position, scale and property of unfavorable geology in front of the tunnel face, underground water quantity and water pressure are obtained; the geology in a short distance in front of a driving face is judged by adopting the changes of the drilling speed, drilling slag and the like in the drilling process of the advanced horizontal drilling machine, the concrete conditions of the geological condition and the hydrogeology of the surrounding rock of the tunnel in front of the tunnel face are further explored, the geological condition and the hydrogeological condition in front of the tunnel are mastered according to the time, the speed, the pressure, the components, the core drilling and lithological structure properties and the underground water condition of the drilling of the exploratory hole, and the accuracy of forecasting can be improved.
(4) The tunnel geological analysis and judgment unit is used for inputting tunnel standard design parameters, analyzing and intelligently learning according to detection information of the advanced horizontal drilling device and the physical detection device, forming system field experience judgment by combining risk management, analyzing and judging whether the tunnel has bad geological bodies and accurate spatial positions of the bad geological bodies according to strata and related data, and further predicting whether the tunnel design parameters need to be corrected; comprehensively analyzing and mutually verifying detection results according to various detection means, proposing prediction suggestions and engineering measure suggestions, feeding back in time to adjust and optimize design, further improving and perfecting construction technology and methods, and realizing informatization dynamic construction management;
(5) judging and classifying tunnel disasters by combining the geological real conditions acquired by the advanced forecasting unit and the judgment results of the tunnel geological analysis and judgment unit through the tunnel disaster analysis unit, and estimating whether disasters occur or not, probability conditions of disaster occurrence and the range of disaster influence during continuous tunneling;
(6) and the management control platform carries out final decision judgment according to the estimation result of the tunnel disaster analysis unit to generate a corresponding disposal scheme, so that the real-time monitoring and early warning of tunnel unfavorable geology, surrounding rock deformation and tunnel environment are realized, and the data of the whole tunnel construction process is stored to form a tunnel whole-process geological database.
The utility model discloses utilize advance geology forecast technique in time to acquire face the place ahead geology and hydrology condition, utilize behind these data information to evaluate and revise original tunnel design construction parameter after the data analysis technology handles, if find that the great difference appears in actual measurement forecast information and original relevant excavation scheme, then need adjust, optimize excavation scheme and construction process.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (6)
1. The utility model provides a tunnel construction dynamic monitoring and early warning system which characterized in that: the system comprises an advanced forecasting unit, a tunnel geological analysis and judgment unit, a tunnel disaster analysis unit and a management control platform; the output end of the advanced forecasting unit is electrically connected with the tunnel geological analysis and judgment unit through the wireless communication module, the output end of the tunnel geological analysis and judgment unit is electrically connected with the tunnel disaster analysis unit, and the output ends of the advanced forecasting unit, the tunnel geological analysis and judgment unit and the tunnel disaster analysis unit are electrically connected with the management control platform.
2. The dynamic tunnel construction monitoring and early warning system according to claim 1, wherein: the advanced forecasting unit comprises an advanced forecasting controller, an engineering geological survey device, a physical detection device and an advanced horizontal drilling device; the advanced forecasting controller is electrically connected with the engineering geological survey device, the advanced horizontal drilling device and the physical detection device respectively.
3. The dynamic tunnel construction monitoring and early warning system according to claim 2, wherein: the engineering geological survey device comprises a digital camera, a laser range finder and an illuminating device; the digital camera is arranged right in front of the face and used for completely shooting the image of the whole face, the laser range finder and the digital camera are arranged side by side, and the illuminating device is arranged in a non-imaging area of the digital camera.
4. The dynamic tunnel construction monitoring and early warning system according to claim 1, wherein: the advanced horizontal drilling device comprises a full hydraulic drilling machine.
5. The dynamic tunnel construction monitoring and early warning system according to claim 2, wherein: the physical detection device comprises a geological radar detector, a seismic wave detector, a land sonar instrument and an infrared detector.
6. The dynamic tunnel construction monitoring and early warning system according to claim 1, wherein: the management control platform comprises a display, a data memory, an alarm and a management controller; the display, the data memory and the alarm are respectively and electrically connected with the management controller.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415611A (en) * | 2020-12-16 | 2021-02-26 | 云南航天工程物探检测股份有限公司 | Tunnel disease development monitoring method based on geological radar acquisition |
| CN112485823A (en) * | 2020-10-15 | 2021-03-12 | 中铁四局集团第五工程有限公司 | High-efficiency comprehensive advanced geological prediction method |
| CN112697105A (en) * | 2020-12-02 | 2021-04-23 | 中铁二十三局集团第六工程有限公司 | Measuring equipment and measuring method for mining tunnel survey |
| CN112796836A (en) * | 2021-01-29 | 2021-05-14 | 中铁十九局集团轨道交通工程有限公司 | Risk monitoring system for shield tunnel construction of deep sandy mucky soil layer |
| CN113640896A (en) * | 2021-07-07 | 2021-11-12 | 中交第二公路工程局有限公司 | Tunnel unfavorable geology risk early warning display system |
-
2020
- 2020-02-24 CN CN202020202775.8U patent/CN211291565U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485823A (en) * | 2020-10-15 | 2021-03-12 | 中铁四局集团第五工程有限公司 | High-efficiency comprehensive advanced geological prediction method |
| CN112485823B (en) * | 2020-10-15 | 2022-07-01 | 中铁四局集团第五工程有限公司 | High-efficiency comprehensive advanced geological prediction method |
| CN112697105A (en) * | 2020-12-02 | 2021-04-23 | 中铁二十三局集团第六工程有限公司 | Measuring equipment and measuring method for mining tunnel survey |
| CN112415611A (en) * | 2020-12-16 | 2021-02-26 | 云南航天工程物探检测股份有限公司 | Tunnel disease development monitoring method based on geological radar acquisition |
| CN112796836A (en) * | 2021-01-29 | 2021-05-14 | 中铁十九局集团轨道交通工程有限公司 | Risk monitoring system for shield tunnel construction of deep sandy mucky soil layer |
| CN113640896A (en) * | 2021-07-07 | 2021-11-12 | 中交第二公路工程局有限公司 | Tunnel unfavorable geology risk early warning display system |
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