CN113218350A - Highway engineering high-fill abutment back of body bridgehead attachment gap monitoring forecasting device that comes to nothing - Google Patents
Highway engineering high-fill abutment back of body bridgehead attachment gap monitoring forecasting device that comes to nothing Download PDFInfo
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- CN113218350A CN113218350A CN202110530509.7A CN202110530509A CN113218350A CN 113218350 A CN113218350 A CN 113218350A CN 202110530509 A CN202110530509 A CN 202110530509A CN 113218350 A CN113218350 A CN 113218350A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0033—Force sensors associated with force applying means applying a pulling force
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a monitoring and forecasting device for the gap of a platform back lapping plate of a highway engineering high-fill bridge, which comprises an embedded sensor and a controller, wherein the embedded sensor comprises an upper shell and a lower shell which are matched with each other, the upper part of the lower shell is inserted into the upper shell in a sliding manner, a tensile stress sensor is installed at the top in the upper shell, the lower part of the tensile stress sensor is connected with the lower shell through a mechanical spring, a signal cable above the tensile stress sensor is led out from the top end of the upper shell and is connected with the controller, and the controller comprises a microprocessor, and a signal amplification module, a clock module, a memory, a key, a power module and a communication module which are electrically connected with the microprocessor. The invention can continuously monitor the void condition at the butt strap for a long time, regularly transmit the monitoring data to the mobile phone terminal through the communication module every day, and timely send information to the mobile phone terminal for reminding when the void abnormality occurs.
Description
Technical Field
The invention relates to a highway engineering monitoring and forecasting device, in particular to a highway engineering high-fill abutment bridge head butt plate disengaging monitoring and forecasting device which has low power consumption and can monitor for a long time and can remotely transmit monitoring data to a mobile phone terminal through a communication module.
Background
The settlement of the bridge table back backfill and the void under the butt strap are always the persistent problems in the quality control of highway engineering, measures such as improving the compactness of the table back backfill filler, increasing the natural settling time, adopting light filler and the like are immediately adopted, the situation can not be completely avoided, and particularly the void of the high-fill table back butt strap still occurs sometimes. In case of the occurrence of the gap of the butt strap, the comfort and the safety of the vehicle can be seriously influenced, and the traffic safety can be greatly potential safety hazards due to the fact that the butt strap is broken and cannot be timely processed in serious conditions.
At present, the settlement of the bridge head butt strap is mainly monitored by conjecturing the settlement of the platform back and the void condition of the butt strap through the measurement change of the elevation of the road surface on the bridge head butt strap. At present, the common means for solving the problem of the gap of the butt strap is to perform butt strap downward-pressing cement injection when serious gap occurs, belongs to a post-accident remedy measure, cannot find early settlement and gap in time, and can cause great hidden danger to traffic safety if cannot find the early settlement and the gap in time.
The above situation urgently needs a device which is convenient, fast and accurate in effective means and can monitor the condition of the bridge head butt strap and forecast the condition of the bridge head butt strap in abnormal conditions.
Disclosure of Invention
The invention designs a monitoring and forecasting device for the gap between the abutment and the bridge head of the highway engineering high-fill abutment, aiming at the problems provided by the background technology, when the construction abutment is backfilled and the bridge head abutment is poured, an embedded sensor is poured at the lower end in the abutment and embedded in the backfill filler of the abutment, and the monitoring of the gap between the abutment and the filler of the abutment is carried out after the construction is finished.
The invention is realized by the following technical scheme:
the utility model provides a highway engineering height is filled back of body abutment bridgehead attachment and is taken off monitoring forecasting device, buries sensor and controller including mutual electric connection underground, bury the sensor underground and locate high fill bridge abutment, bury the sensor underground including the last shell and the lower shell of mutually supporting, shell upper portion slides and pegs graft inside last shell down, and it has lubricated butter to make the inside sealed waterproof of casing and can guarantee that shell and last shell both freely slide from top to bottom down to fill between two-layer shell of shell and the last shell down, the top in the last shell is installed the tensile stress transducer that the range is 10 kilograms, the below dynamometry end of tensile stress transducer is connected with lower shell through mechanics spring, the signal cable of tensile stress transducer top is drawn forth and is linked to each other with the controller from last shell top, the controller include microprocessor and the signal amplification module of being connected with microprocessor electricity, Clock module, memory, button, power module and communication module.
As a further improvement of the scheme, when the abutment back is backfilled and the construction of the bridge head butt strap is carried out, the upper shell is poured in the butt strap concrete, the lower shell is buried in the abutment back filler, the signal cable is poured in the butt strap concrete and led to the side roadbed of the butt strap on the side, the controller is buried in the filler of the side roadbed of the butt strap and connected with the led signal cable, and the antenna on the communication module is adhered to the concrete of the bridge ear wall.
As a further improvement of the scheme, the outer walls of the upper shell and the lower shell are made of high-strength aviation aluminum materials, and annular grooves are formed in the outer sides of the upper shell and the lower shell in an engraved mode.
As a further improvement of the scheme, the tension sensor adopts a small tension sensor with an automatic temperature compensation function, and the full-scale range of the tension sensor is 10 kilograms.
As a further improvement of the above scheme, a sealed waterproof heat-insulating housing is arranged outside the controller, the power module is a durable low-self-consumption lithium battery which stably supplies power for a long time and provides power supply for 2-5 years, the controller 14 is designed to have low power consumption, and is in a dormant low-power-consumption state at ordinary times, and is awakened to work once every day at regular time to detect data, store the data and recover the dormant state after sending the data, so that the controller has extremely low average power consumption.
Compared with the prior art, the invention has the beneficial effects that:
the upper shell is poured in the butt strap when the construction platform back is backfilled and the bridge head butt strap is poured, the lower shell is buried in the platform back backfill filler, the monitoring of the void condition between the butt strap and the platform back filler is carried out after the construction is finished, the whole process of the void generation of the butt strap can be monitored and recorded, the occurrence time and the occurrence rate of the void generation are analyzed, data are sent to a mobile phone terminal worker reference decision in time through a communication module, the whole monitoring, storing and forecasting are automatically carried out, convenience, rapidness, accuracy and directness are realized, once the void overrun occurs, the void overrun can be found in advance when the road surface is not obviously abnormal, effective measures are taken, serious consequences on traffic safety are avoided, and meanwhile, detailed data can be provided for the research on the settlement rule of the platform back.
Drawings
Fig. 1 is an installation layout diagram of a road engineering high-fill abutment back bridgehead attachment plate void monitoring and forecasting device in embodiment 1;
fig. 2 is a partial installation structure diagram of a monitoring and forecasting device for gap of a bridge head butt strap of a high-fill abutment of highway engineering in embodiment 1;
FIG. 3 is a block circuit diagram of a controller according to embodiment 1;
FIG. 4 is a schematic structural diagram of a controller in embodiment 1;
fig. 5 is a schematic view of the internal structure of the buried sensor in example 1.
In the reference symbols: 1. an upper housing; 1-1, an annular groove; 2. a lower housing; 3. a tension sensor; 4. a mechanical spring; 5. a signal cable; 6. a signal amplification module; 7. a microprocessor; 8. a storage module; 9. a clock module; 10. a power supply module; 11. pressing a key; 12. a communication module; 13. embedding a sensor; 14. a controller; 14-1, sealing a waterproof heat-insulating shell; 15. a table back filler, 16 and a butt strap concrete; 17. roadbed on the side of the butt strap.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
Example 1:
as shown in fig. 1-5, the device for monitoring and forecasting bridge head and gap of a road engineering high-fill abutment back bridge head disclosed in this embodiment includes an embedded sensor 13 and a controller 14 electrically connected to each other, the embedded sensor 13 is disposed in a high-fill abutment, the embedded sensor 13 includes an upper shell 1 and a lower shell 2 which are mutually matched, the upper portion of the lower shell 2 is slidably inserted into the upper shell 1, lubricating grease is filled between the two shells of the lower shell 2 and the upper shell 1 to make the interior of the shell sealed and waterproof, and to ensure that the lower shell 2 and the upper shell 1 can freely slide up and down, a tensile stress sensor 3 with a measuring range of 10 kg is mounted at the top of the upper shell 1, the lower force measuring end of the tensile stress sensor 3 is connected to the lower shell 2 through a mechanical spring 4, a signal cable 5 above the tensile stress sensor 3 is led out from the top end of the upper shell 1 and is connected to the controller 14, the controller 14 comprises a microprocessor 7, and a signal amplification module 6, a clock module 9, a memory 8, a key 11, a power module 10 and a communication module 12 which are electrically connected with the microprocessor 7.
As a further improvement of the above scheme, during the construction of the abutment back filling and the bridge head abutment, the upper casing 1 is poured in the abutment concrete 16, the lower casing 2 is buried in the abutment filler 15, the signal cable 5 is poured in the abutment concrete 16 and led to the abutment side roadbed 17 on the side, the controller 14 is buried in the filler of the abutment side roadbed 17 and connected with the led signal cable 5, the antenna on the communication module 12 is adhered to the concrete of the bridge ear wall, because the upper casing 1 is poured in the abutment concrete and the lower casing 2 is buried in the abutment back filling filler, when the abutment is removed, the upper casing 1 and the lower casing 2 can find relative sliding, the mechanical spring 4 fixed on the tension sensor 3 and the lower casing 2 can be stretched, the tension acting on the tension sensor 3 can be changed in proportion according to the tensile elongation, the air-out distance between the upper shell 1 and the lower shell 2 can be calculated reversely by reading the data of the tension sensor 3, then the air-out distance is sent to the controller 14, and the data is sent to the mobile phone terminal for reference decision-making in time through the communication module 12, the whole monitoring, storing and forecasting are automatically carried out, the air-out distance is convenient, quick, accurate and direct, once the air-out distance exceeds the limit, the air-out distance can be found in advance when no obvious abnormality occurs on the road surface, effective measures are taken, serious consequences on traffic safety are avoided, and meanwhile, detailed data can be provided for researching the back settlement rule of the platform.
As a further improvement of the scheme, the outer walls of the upper shell 1 and the lower shell 2 are both made of high-strength aviation aluminum materials, annular grooves 1-1 are carved on the outer sides of the upper shell 1 and the lower shell 2, and the annular grooves 1-1 carved on the outer sides of the upper shell 1 and the lower shell 2 can increase the bond strength with the slab-erecting concrete and the table back filler.
As a further improvement of the above solution, the tension sensor 3 is a small tension sensor with an automatic temperature compensation function, and the full scale of the tension sensor 3 is 10 kg.
As a further improvement of the above scheme, a sealed waterproof heat-insulating housing 14-1 is arranged outside the controller 14, the power module 10 is a durable low-power-consumption lithium battery which stably supplies power for a long time and supplies power for 2-5 years, the controller 14 is designed to have low power consumption, is in a dormant low-power-consumption state at ordinary times, is awakened to work once every day at regular time to read the data of the tension sensor 3, is stored in the storage module 7, and is restored to the dormant state after the data is sent by the communication module 10, the controller has extremely low average power consumption, and the durable low-power-consumption lithium battery is adopted to stably supply power for a long time and supplies power for 2-5 years.
The upper shell is poured in the butt strap when the construction platform back is backfilled and the bridge head butt strap is poured, the lower shell is buried in the platform back backfill filler, the monitoring of the void condition between the butt strap and the platform back filler is carried out when the construction is finished, the whole process of the void generation of the butt strap can be monitored and recorded, the occurrence time and the occurrence rate of the void generation are analyzed, data are sent to a mobile phone terminal worker reference decision in time through a communication module, the whole monitoring, storing and forecasting are automatically, conveniently, quickly, accurately and directly carried out, once the void overrun occurs, the void overrun can be found in advance when the road surface is not obviously abnormal, effective measures are taken, serious consequences on traffic safety are avoided, and meanwhile, detailed data can be provided for the research of the platform back settlement rule.
Claims (6)
1. The utility model provides a highway engineering high fill abutment back bridgehead attachment gap monitoring forecasting device, includes that sensor (13) and controller (14) bury underground of mutual electric connection, its characterized in that: bury sensor (13) underground and locate in the high bridge platform of filling, bury sensor (13) underground including last shell (1) and lower shell (2) that mutually support, shell (2) upper portion slides and pegs graft inside last shell (1) down, and it has lubricated butter to make casing internal seal waterproof and can guarantee down shell (2) and last shell (1) both freely slide from top to bottom to fill between shell (2) and the two-layer shell of last shell (1) down, pull stress sensor (3) that the range is 10 kilograms are installed at the top in last shell (1), the below of pulling stress sensor (3) is connected with lower shell (2) through mechanics spring (4), signal cable (5) of pulling stress sensor (3) top are drawn forth and are continuous with controller (14) from last shell (1) top, controller (14) include microprocessor (7) and signal amplification module (6) of being connected with microprocessor (7) electricity, The device comprises a clock module (9), a memory (8), a key (11), a power module (10) and a communication module (12).
2. The device for monitoring and forecasting gap between the back of a road bridge and the bridge head of the highway engineering high-fill abutment according to claim 1, wherein: when the abutment back is backfilled and the construction of the bridge head butt strap is carried out, the upper shell (1) is poured in the butt strap concrete (16), the lower shell (2) is buried in the abutment back filler (15), the signal cable (5) is poured in the butt strap concrete (16) concrete and led to the side of the butt strap lateral roadbed (17), the controller (14) is buried in the filling soil of the butt strap lateral roadbed (17) and is connected with the led-out signal cable (5), and the antenna on the communication module (12) is adhered to the concrete of the bridge ear wall.
3. The device for monitoring and forecasting gap between abutment and bridge head butt straps in highway engineering according to claim 1 or 2, wherein: the outer walls of the upper shell (1) and the lower shell (2) are all made of high-strength aviation aluminum materials, and annular grooves (1-1) are carved in the outer sides of the upper shell (1) and the lower shell (2).
4. The device for monitoring and forecasting gap between abutment and bridge head butt straps in highway engineering according to claim 1 or 2, wherein: the tension sensor (3) adopts a small tension sensor with an automatic temperature compensation function, and the full range of the tension sensor (3) is 10 kilograms.
5. The device for monitoring and forecasting gap between abutment and bridge head butt straps in highway engineering according to claim 1 or 2, wherein: the controller (14) is externally provided with a sealed waterproof heat-insulating shell (14-1), and the power module (10) is a durable low-self-consumption lithium battery which stably supplies power for a long time and supplies power for 2-5 years.
6. The device for monitoring and forecasting gap between abutment and bridge head butt straps in highway engineering according to claim 1 or 2, wherein: and a cable joint (5-1) of the signal cable (5) adopts a sealed waterproof joint.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110530509.7A CN113218350A (en) | 2021-05-15 | 2021-05-15 | Highway engineering high-fill abutment back of body bridgehead attachment gap monitoring forecasting device that comes to nothing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110530509.7A CN113218350A (en) | 2021-05-15 | 2021-05-15 | Highway engineering high-fill abutment back of body bridgehead attachment gap monitoring forecasting device that comes to nothing |
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| CN113218350A true CN113218350A (en) | 2021-08-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113701712A (en) * | 2021-08-09 | 2021-11-26 | 广州建设工程质量安全检测中心有限公司 | Method and device for detecting inclination of main beam when bridge and support are disengaged |
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