CN112855218A - Intelligent monitoring system for tunnel secondary lining concrete pouring - Google Patents
Intelligent monitoring system for tunnel secondary lining concrete pouring Download PDFInfo
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- CN112855218A CN112855218A CN202110225219.1A CN202110225219A CN112855218A CN 112855218 A CN112855218 A CN 112855218A CN 202110225219 A CN202110225219 A CN 202110225219A CN 112855218 A CN112855218 A CN 112855218A
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- pouring
- concrete
- intelligent monitoring
- concrete pouring
- secondary lining
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Abstract
The invention is suitable for the technical field of tunnel lining processing detection, and provides an intelligent monitoring system for tunnel secondary lining concrete pouring, which comprises: the intelligent monitoring module is used for monitoring the pouring parameters in the pouring process of the secondary lining concrete of the tunnel; the trolley data control center is connected with the intelligent monitoring module, receives the perfusion parameter data and analyzes and processes the data; and the pouring control module is connected with the trolley data control center, judges the concrete pouring fullness according to the analysis result of the pouring parameter data by the trolley data control center, determines the concrete pouring stopping time and guides the pouring control module. The intelligent monitoring system for the pouring of the secondary lining concrete of the tunnel can monitor the pouring process of the secondary lining concrete in real time, thereby effectively guiding the site construction, avoiding secondary reworking and greatly improving the work efficiency.
Description
Technical Field
The invention belongs to the technical field of tunnel lining processing detection, and particularly relates to an intelligent monitoring system for tunnel secondary lining concrete pouring.
Background
With the development of social economy and the improvement of engineering design level, in the fields of traffic, water conservancy, national defense and the like, the building structure form of a tunnel is widely adopted, secondary lining is an important link in tunnel construction, and secondary lining refers to inner lining constructed by concrete and other materials under the condition that the tunnel is subjected to primary support so as to achieve the effects of reinforcing support, optimizing a route waterproof and drainage system, beautifying appearance, conveniently setting communication, lighting, monitoring and other facilities.
In order to improve the quality of a second-lining construction entity of a railway and a highway tunnel and avoid the problems of cracking, falling and block falling and the like caused by surrounding rock pressure, water pressure, train operation disturbance and the like due to the fact that concrete pouring exists in the future, secondary construction such as concrete pouring is not full, falling is generated, grouting is caused, even chiseling and pouring are conducted again and the like, whether concrete pouring is compact and full needs to be monitored in real time in the pouring process.
Disclosure of Invention
The embodiment of the invention aims to provide an intelligent monitoring system for tunnel secondary lining concrete pouring, and aims to solve the problem that the work efficiency is low because the prior art cannot find that the concrete is not fully poured and has a void phenomenon in the concrete pouring process.
The embodiment of the invention is realized in such a way that the tunnel secondary lining concrete pouring intelligent monitoring system comprises:
the intelligent monitoring module is used for monitoring the pouring parameters in the pouring process of the secondary lining concrete of the tunnel;
the trolley data control center is wirelessly connected with the intelligent monitoring module, receives the perfusion parameter data and analyzes and processes the data;
and the pouring control module is wirelessly connected with the trolley data control center, judges the concrete pouring fullness according to the analysis result of the pouring parameter data by the trolley data control center, determines the concrete pouring stopping time and guides the pouring control module.
The intelligent monitoring system for the perfusion of the secondary lining concrete of the tunnel provided by the embodiment of the invention can monitor the perfusion process of the secondary lining concrete of the tunnel in real time, collect perfusion parameter data in the perfusion process of the secondary lining concrete of the tunnel through the intelligent monitoring module and wirelessly transmit the perfusion parameter data to the trolley data control center, judge the perfusion fullness of the concrete through the analysis result of the perfusion parameter data of the trolley data control center, determine the perfusion stopping time of the concrete and guide the perfusion control module to continue to perform perfusion or stop perfusion. The intelligent monitoring system for the pouring of the secondary lining concrete of the tunnel can monitor the pouring process of the secondary lining concrete in real time, thereby effectively guiding field construction, avoiding secondary reworking and greatly improving work efficiency.
Drawings
Fig. 1 is a block diagram of a structure of a tunnel secondary lining concrete pouring intelligent monitoring system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a block diagram of a structure of a tunnel secondary lining concrete pouring intelligent monitoring system provided in an embodiment of the present invention includes:
the intelligent monitoring module is used for monitoring the pouring parameters in the pouring process of the secondary lining concrete of the tunnel;
the trolley data control center is in wireless connection with the intelligent monitoring module, receives the perfusion parameter data and analyzes and processes the data;
and the pouring control module is wirelessly connected with the trolley data control center, judges the concrete pouring fullness according to the analysis result of the pouring parameter data by the trolley data control center, determines the concrete pouring stopping time and guides the pouring control module.
The intelligent monitoring system for the perfusion of the secondary lining concrete of the tunnel provided by the embodiment of the invention can monitor the perfusion process of the secondary lining concrete of the tunnel in real time, collect perfusion parameter data in the perfusion process of the secondary lining concrete of the tunnel through the intelligent monitoring module and transmit the perfusion parameter data to the trolley data control center, judge the perfusion fullness of the concrete through the analysis result of the perfusion parameter data by the trolley data control center, determine the perfusion stopping time of the concrete and guide the perfusion control module to continue to perform perfusion or stop perfusion. The intelligent monitoring system for the pouring of the secondary lining concrete of the tunnel can monitor the pouring process of the secondary lining concrete in real time, thereby effectively guiding field construction, avoiding secondary reworking and greatly improving work efficiency.
In one embodiment of the invention, the intelligent monitoring module, the trolley data control center and the perfusion control module are integrally installed on the lining trolley, and the lining trolley further comprises a template, a portal frame, a walking unit, a sliding track unit, an exhaust slurry overflow unit and the like; the pouring control module comprises a concrete delivery pump, a pouring unit and a high-frequency pneumatic vibration unit; one end of the concrete conveying pump is connected with the concrete mixing station, and the other end of the concrete conveying pump is connected with the pouring unit; the trolley data control center is connected with the perfusion control module and the intelligent monitoring module through a data network cable or in a wireless mode, and data transmission and signal transmission are carried out.
In one embodiment of the invention, the pouring parameters include an estimated concrete pouring volume, an actual concrete pouring volume, a mold-entry temperature, and a pouring pressure.
In one embodiment of the invention, the intelligent monitoring module comprises a three-dimensional laser scanner; the three-dimensional laser scanner is connected with the trolley data control center, the three-dimensional laser scanner scans a three-dimensional image of a lining part and transmits the three-dimensional image to the trolley data control center, and the trolley data control center obtains the pre-estimated concrete pouring volume through sorting and calculating the three-dimensional image.
In one embodiment of the invention, the intelligent monitoring module further comprises a concrete flow meter, wherein the concrete flow meter is installed on a conveying pipeline connected with the concrete conveying pump and the pouring unit; all the concrete entering the second lining is conveyed through the conveying pipeline, the concrete flow meter records the concrete volume passing through the conveying pipeline, namely the actual concrete pouring volume in the concrete pouring process of the secondary lining of the tunnel, and compares the actual concrete pouring volume with the estimated concrete pouring volume in real time, so that the concrete volume which is not poured into the current lining is calculated, the mixing station is guided to reasonably knock materials, and the waste of concrete is reduced; when the actual concrete pouring amount is larger than the estimated concrete pouring amount, the trolley data control center sends a signal to judge that the tunnel vault concrete is full, the pouring unit stops concrete pouring, and the concrete conveying pump stops concrete conveying.
In an embodiment of the present invention, the intelligent monitoring module further includes a temperature sensor, the temperature sensor is installed on a back surface of the formwork, the back surface of the formwork faces to the inside of the lining trolley, the temperature sensor is used for detecting a mold entering temperature of concrete and comparing the detected temperature with a temperature set value in the trolley data control center, the temperature set value in the trolley data control center generally refers to an atmospheric average temperature, a temperature difference value between the mold entering temperature of the concrete and the atmospheric average temperature is within a reasonable threshold value, and cracks are prevented from occurring in a concrete solidification process due to an excessive temperature difference; and detecting the mold-entering temperature of the concrete through the temperature sensor to judge the pouring quality of the concrete after entering the mold.
In one embodiment of the invention, the intelligent monitoring module further comprises a pressure strain gauge; the pressure strain gauge is provided with a plurality of uniform distribution pieces, the uniform distribution pieces are arranged on the lining trolley template, and the pressure strain gauge is used for detecting the concrete pouring pressure, judging whether the concrete is filled fully, monitoring whether the concrete pressure exceeds the bearing capacity of the lining trolley template, and ensuring that the concrete pouring operation is carried out orderly.
In one embodiment of the present invention, the smart monitoring module further comprises a dome endoscopic anti-cavitation unit; the vault endoscopic anti-cavitation unit comprises a transparent tube and an endoscope camera; the transparent tube is arranged on the perfusion control module in an arch mode; the endoscope camera is arranged in the transparent pipe, is connected with the trolley data control center and transmits images to the trolley data control center, and the trolley data control center detects whether bubbles exist in concrete pouring through image analysis so as to judge the fullness of the concrete pouring; if a large amount of bubbles exist, the trolley data control center transmits signals to the high-frequency pneumatic vibration unit, the high-frequency pneumatic vibration unit vibrates concrete in the lining trolley template, gas is discharged through the exhaust and slurry overflow unit, concrete pouring is carried out again until the concrete is fully poured, and the phenomena of void and cavity are avoided.
In an embodiment of the invention, an alarm module is arranged on the trolley data control center to alarm and remind the completion condition of on-site perfusion and the abnormal condition of the on-site in time.
In one embodiment of the invention, the on-site pouring completion condition comprises the existence amount of concrete pouring bubbles, the concrete pouring fullness and the concrete pouring temperature, warning lamps are correspondingly arranged in the trolley data control center and correspondingly provided with threshold values, and when the threshold values are reached, the corresponding warning lamps flicker; when the endoscopic camera is used for observing concrete, the trolley data control center calculates the amount of bubbles through image processing, when the amount of bubbles exceeds a set threshold value of the amount of bubbles, a corresponding warning lamp flickers, the trolley data control center transmits a signal to the high-frequency pneumatic vibration unit, the high-frequency pneumatic vibration unit vibrates the concrete in the lining trolley template, gas is discharged through the exhaust and slurry overflow unit, and concrete pouring and detection are carried out again until the concrete pouring is full; when the fullness of concrete pouring reaches a set threshold value, the corresponding warning lamp flickers, all pouring operations are stopped, and demolding is waited; when the concrete pouring temperature is different from a temperature set value in the trolley data control center, and the temperature difference exceeds a set threshold value, a corresponding warning lamp flickers, and the trolley data control center transmits an instruction to the mixing station to require the mixing station to regulate and control the concrete pouring temperature.
In an embodiment of the present invention, the field abnormal condition includes an abnormal condition of the intelligent monitoring module or the perfusion control module, and warning lights are correspondingly disposed in the trolley data control center, for example, the monitoring image of the intelligent monitoring module is unclear, data transmission is interrupted, or the perfusion control module has abnormal conditions such as concrete transportation blockage, non-operation according to instructions, etc., and the corresponding warning lights flash, and need to manually detect and troubleshoot reasons and maintain.
The embodiment of the invention provides an intelligent monitoring system for tunnel secondary lining concrete pouring, which can monitor the pouring process of tunnel secondary lining concrete in real time, and the intelligent monitoring module is used for acquiring pouring parameter data in the tunnel secondary lining concrete pouring process, including pre-estimated concrete pouring amount, actual concrete pouring amount, mold entering temperature and pouring pressure, and transmitting the data to the trolley data control center, and the trolley data control center is used for carrying out data analysis on the pouring parameters, comprehensively judging the concrete pouring fullness, determining the concrete pouring stopping time and guiding the pouring control module to continue pouring or stop pouring. The intelligent monitoring system for the pouring of the secondary lining concrete of the tunnel can monitor the pouring process of the secondary lining concrete in real time, thereby effectively guiding the site construction, avoiding secondary reworking and greatly improving the work efficiency; the trolley data control center sets the demolding time of the lining trolley according to the final pouring completion time, so that the lining trolley is guaranteed to be demolded as early as possible under the condition that the concrete strength is guaranteed, and the utilization efficiency of the lining trolley is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a tunnel secondary lining concrete placement intelligent monitoring system which characterized in that, tunnel secondary lining concrete placement intelligent monitoring system includes:
the intelligent monitoring module is used for monitoring the pouring parameters in the pouring process of the secondary lining concrete of the tunnel;
the trolley data control center is connected with the intelligent monitoring module, receives the perfusion parameter data and analyzes and processes the data;
and the pouring control module is connected with the trolley data control center, judges the concrete pouring fullness according to the analysis result of the pouring parameter data by the trolley data control center, determines the concrete pouring stopping time and guides the pouring control module.
2. The intelligent monitoring system for tunnel secondary lining concrete pouring according to claim 1, wherein the pouring parameters include an estimated concrete pouring volume, an actual concrete pouring volume, a concrete mold-entering temperature and a concrete pouring pressure.
3. The intelligent monitoring system for tunnel secondary lining concrete pouring according to claim 2, wherein the intelligent monitoring module comprises a three-dimensional laser scanner; the three-dimensional laser scanner is used for scanning a three-dimensional image of the lining part, and the estimated concrete pouring amount is obtained through three-dimensional image calculation.
4. The intelligent monitoring system for tunnel secondary lining concrete pouring according to claim 3, wherein the intelligent monitoring module further comprises a concrete flow meter, and the concrete flow meter is used for monitoring the actual concrete pouring square amount in the tunnel secondary lining concrete pouring process, comparing the actual concrete pouring square amount with the estimated concrete pouring square amount in real time, and calculating the current lining non-poured concrete square amount.
5. The intelligent monitoring system for tunnel secondary lining concrete pouring according to claim 2, wherein the intelligent monitoring module further comprises a temperature sensor for detecting the concrete pouring temperature and comparing the temperature with a temperature set value in the trolley data control center to judge the concrete pouring quality.
6. The intelligent monitoring system for tunnel secondary lining concrete pouring according to claim 2, wherein the intelligent monitoring module further comprises a pressure strain gauge; the pressure strain gauge is used for detecting the concrete pouring pressure and judging whether the concrete is filled fully.
7. The intelligent monitoring system for tunnel secondary lining concrete pouring according to any one of claims 1-6, wherein the intelligent monitoring module further comprises a vault endoscopic anti-cavitation unit; the vault endoscopic anti-cavitation unit comprises a transparent tube and an endoscope camera; the transparent tube is arranged on the perfusion control module in an arch mode; the endoscope camera is arranged in the transparent pipe, detects whether bubbles exist in concrete pouring, and judges the fullness of the concrete pouring.
8. The intelligent monitoring system for tunnel secondary lining concrete pouring according to claim 1, wherein an alarm module is arranged on the trolley data control center to give an alarm for reminding of a site pouring completion condition and a site abnormal condition in time.
9. The intelligent monitoring system for tunnel secondary lining concrete pouring according to claim 8, wherein the on-site pouring completion condition comprises the existence amount of concrete pouring bubbles, the concrete pouring fullness and the concrete pouring temperature.
10. The intelligent monitoring system for tunnel secondary lining concrete pouring according to claim 8, wherein the field abnormal condition comprises an abnormal condition of the intelligent monitoring module or the pouring control module.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113585269A (en) * | 2021-09-27 | 2021-11-02 | 国能大渡河大数据服务有限公司 | Construction safety monitoring method and system for hydropower engineering |
CN114319120A (en) * | 2021-12-29 | 2022-04-12 | 中交武汉港湾工程设计研究院有限公司 | Intelligent template system and method |
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JPH11294093A (en) * | 1998-04-06 | 1999-10-26 | Ohmoto Gumi Co Ltd | Method for placing concrete for tunnel, and its device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113585269A (en) * | 2021-09-27 | 2021-11-02 | 国能大渡河大数据服务有限公司 | Construction safety monitoring method and system for hydropower engineering |
CN113585269B (en) * | 2021-09-27 | 2021-12-17 | 国能大渡河大数据服务有限公司 | Construction safety monitoring method and system for hydropower engineering |
CN114319120A (en) * | 2021-12-29 | 2022-04-12 | 中交武汉港湾工程设计研究院有限公司 | Intelligent template system and method |
CN114319120B (en) * | 2021-12-29 | 2024-04-16 | 中交武汉港湾工程设计研究院有限公司 | Intelligent template system and method |
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