CN113216283A - Highway subgrade settlement grouting monitoring system and method - Google Patents
Highway subgrade settlement grouting monitoring system and method Download PDFInfo
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- CN113216283A CN113216283A CN202110541090.5A CN202110541090A CN113216283A CN 113216283 A CN113216283 A CN 113216283A CN 202110541090 A CN202110541090 A CN 202110541090A CN 113216283 A CN113216283 A CN 113216283A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C21/00—Apparatus or processes for surface soil stabilisation for road building or like purposes, e.g. mixing local aggregate with binder
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
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- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention provides a highway subgrade settlement grouting monitoring system which comprises a subgrade settlement deformation monitoring system, a communication transmission module, a comprehensive control system, a reservoir, a first ultrasonic liquid level instrument arranged in the reservoir, a water supply pipeline communicating the reservoir with a water inlet of a vortex pulping machine, a storage bin, a second ultrasonic liquid level instrument positioned in the vortex pulping machine, the vortex pulping machine communicated with the storage bin, a pulp storage tank connected with the vortex pulping machine, and a grouting pipeline connected with a water outlet of the pulp storage tank; the comprehensive control system monitors the water level of the water storage tank in real time, puts in and surplus road bed grouting raw materials in the storage bin, remotely controls the vortex pulping machine to prepare slurry, and controls the quality of the slurry in the slurry storage tank after the slurry preparation is finished and whether the roadbed is grouted through a grouting pipeline or not. The invention realizes production automation, remote control and unattended operation, liberates labor force, improves grouting efficiency, and can perform grouting for the roadbed cracked from different damages with more pertinence and applicability.
Description
Technical Field
The invention belongs to the technical field of highway subgrade grouting, and particularly relates to a highway subgrade settlement grouting monitoring system and method.
Background
The construction and use of infrastructures such as railways, highways, bridges and tunnels greatly improve the daily living standard of people and promote the high-speed development of the whole society. However, during the construction and use of these infrastructures, the pores of the soil layer may be subjected to compression deformation under the action of external load, thereby causing the subgrade to sink and deform in the vertical direction. Since subgrade settlement is a slow and long-term process, the settlement value of the subgrade can increase along with the increase of time. If the uneven settlement of the roadbed cannot be controlled and predicted in time, the accumulation of the settlement deformation of the roadbed can cause cracks on the road surface and the wall surface of the tunnel, and even more, collapse accidents can be caused, so that the hidden danger is brought to the life safety of people, and even great property loss and casualties are caused.
Therefore, a highway subgrade settlement grouting monitoring system and method capable of accurately monitoring and telling the settlement condition of the highway subgrade and remotely monitoring grouting construction according to different subgrade conditions are urgently needed.
Disclosure of Invention
Aiming at the defects, the invention provides the highway subgrade settlement grouting monitoring system and the highway subgrade settlement grouting monitoring method which realize production automation, remote control and unattended operation, liberate labor force, improve grouting efficiency, and perform grouting on different broken and cracked subgrades in a more targeted and applicable manner.
The invention provides the following technical scheme: the highway subgrade settlement grouting monitoring system comprises a subgrade settlement deformation monitoring system, a communication transmission module, a comprehensive control system, a reservoir, a first ultrasonic liquid level instrument arranged in the reservoir, a water supply pipeline communicating the reservoir with a water inlet of a vortex pulping machine, a storage bin, a second ultrasonic liquid level instrument positioned in the vortex pulping machine, the vortex pulping machine communicated with the storage bin, a pulp storage tank connected with the vortex pulping machine, and a grouting pipeline connected with a water outlet of the pulp storage tank;
the roadbed settlement deformation monitoring system comprises a roadbed settlement monitoring module, a roadbed settlement calculation module and an early warning module;
the roadbed settlement deformation monitoring system is used for monitoring roadbed settlement in real time;
the roadbed settlement monitoring module is used for monitoring roadbed settlement parameters in real time;
the subgrade settlement calculation module is used for calculating subgrade mud loss M1And sends out instruction to the early warning module and sends out signal to the comprehensive control system through the communication transmission module;
the comprehensive control system is in communication connection with the water storage tank, the first ultrasonic liquid level instrument, the storage bin, the second ultrasonic liquid level instrument, the vortex grouting machine, the slurry storage tank and the grouting pipeline and is used for monitoring the water level of the water storage tank in real time, throwing and remaining the road foundation grouting raw materials in the storage bin, remotely controlling the vortex grouting machine to perform pulping, and after the pulping is finished, controlling the quality of the slurry in the slurry storage tank and grouting the road foundation through the grouting pipeline.
Furthermore, an electromagnetic flowmeter is arranged on a pipeline connecting the vortex pulping machine and the water storage tank, and is used for monitoring the water supply flow of the water storage tank to the vortex pulping machine in real time.
Further, a density sensor is arranged in the pulp storage tank and used for monitoring the density of the prepared pulp of the vortex pulping machine stored in the pulp storage tank in real time, and then monitoring whether the quality of the output pulp reaches the standard or not in real time.
Furthermore, a radar level meter is arranged in the storage bin and used for monitoring the residual amount of the pulping raw materials in the storage bin in real time.
Furthermore, a grouting pump for pumping prepared slurry of the vortex grouting machine stored in the slurry storage tank into the grouting pipeline is arranged on the grouting pipeline.
The invention also provides a highway subgrade settlement grouting monitoring method adopting the system, which comprises the following steps:
s1: roadbed settlement monitoring module in roadbed settlement deformation monitoring system monitors additional influence coefficient initial value X of roadbed settlement parameter grouting roadbed matrix characteristic in real time0Monitoring an additional influence coefficient X of the characteristics of the grouting roadbed matrix, a soil covering parameter Y on the grouting roadbed matrix and a weighted compression modulus of the grouting roadbed matrix, and transmitting the parameters to the roadbed settlement calculation module;
s2: roadbed settlement calculation module calculates roadbed mud loss M1To judge the roadbed mud loss M1If the subgrade settlement deformation exceeds the threshold value, sending an instruction to the early warning module and sending a signal to the comprehensive control system through the communication transmission module;
s3: the comprehensive control system monitors the water level of the reservoir in real time, monitors the throwing and remaining amount of roadbed grouting raw materials in the storage bin in real time, and remotely controls the vortex pulping machine to prepare slurry, and the quality of the slurry in the slurry storage bin after the completion of the slurry preparation;
s4: and if the quality of the slurry reaches the roadbed grouting standard, the comprehensive control system controls the prepared slurry in the storage bin to be injected into the grouting pipeline, and the highway roadbed is grouted through the grouting pipeline.
Further, the subgrade mud loss M1The calculation formula is as follows:
wherein, X is0Initial value of additional influence coefficient for the characteristics of the grouting roadbed matrix, X is the additional influence coefficient for the characteristics of the grouting roadbed matrix, Y is the earthing parameter on the grouting roadbed matrix, UkThe weighted compression modulus of the subgrade matrix is grouted, and Z is the groutingAnd (4) reinforcing ring parameters, wherein n is the thickness of the grouting reinforcing ring.
The invention has the beneficial effects that:
1. the comprehensive control system in the highway subgrade settlement grouting monitoring system provided by the invention can check and record the operation parameters of each device in time, such as the operation voltage and current of the motor, the temperature of the motor, the operation hours of the device, maintenance prompts and the like. The computer console can display various parameters such as pulping ratio, pulping density, grouting pressure, grouting flow, on-site pool liquid level, pulp pool liquid level, residual material level in a cement bin, accumulated pulping amount, accumulated consumption and the like in real time, and can form daily reports, monthly reports, annual reports and various statistical reports and curves.
2. The highway subgrade settlement grouting monitoring system and method provided by the invention realize production automation, remote control and unattended operation, liberate labor force and improve grouting efficiency.
3. The highway subgrade settlement grouting monitoring system and the highway subgrade settlement grouting monitoring method can be suitable for different pulping modes, are switched between semi-automatic and full-automatic modes, can carry out planned and targeted control on parameters such as slurry preparation quality, density and the like in the vortex pulping machine according to the condition of a subgrade matrix to be grouted, which is monitored by the subgrade settlement deformation monitoring system, and further carry out grouting on subgrades cracked in different damages in a more targeted and applicable manner, are simple and flexible to operate, effectively improve the project management level, reduce the management cost and improve the project quality.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
FIG. 1 is a schematic structural diagram of a highway subgrade settlement grouting monitoring system provided by the invention;
fig. 2 is a schematic structural diagram of a roadbed settlement deformation monitoring system provided by the invention.
Detailed description of the preferred embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, the highway subgrade settlement grouting monitoring system provided by the invention is characterized by comprising a subgrade settlement deformation monitoring system, a communication transmission module, a comprehensive control system, a reservoir, a first ultrasonic liquid level instrument arranged in the reservoir, a water supply pipeline communicating the reservoir with a water inlet of a vortex pulping machine, a storage bin, a second ultrasonic liquid level instrument arranged in the vortex pulping machine, the vortex pulping machine communicated with the storage bin, a pulp storage tank connected with the vortex pulping machine, and a grouting pipeline connected with a water outlet of the pulp storage tank;
as shown in fig. 2, the subgrade settlement and deformation monitoring system comprises a subgrade settlement monitoring module, a subgrade settlement calculating module and an early warning module;
the roadbed settlement deformation monitoring system is used for monitoring roadbed settlement in real time;
the roadbed settlement monitoring module is used for monitoring roadbed settlement parameters in real time;
the subgrade settlement calculation module is used for calculating subgrade mud loss M1And sends out instruction to the early warning module and sends out signal to the comprehensive control system through the communication transmission module;
the comprehensive control system is in communication connection with the water storage tank, the first ultrasonic liquid level instrument, the storage bin, the second ultrasonic liquid level instrument, the vortex grouting machine, the slurry storage tank and the grouting pipeline and is used for monitoring the water level of the water storage tank, throwing and remaining amount of roadbed grouting raw materials in the storage bin, remotely controlling the slurry quality in the slurry storage tank after the slurry is made and grouting the roadbed through the grouting pipeline.
Example 2
The invention provides a highway subgrade settlement grouting monitoring system which comprises a subgrade settlement deformation monitoring system, a communication transmission module, a comprehensive control system, a reservoir, a first ultrasonic liquid level instrument arranged in the reservoir, a water supply pipeline communicating the reservoir with a water inlet of a vortex pulping machine, a storage bin, a second ultrasonic liquid level instrument positioned in the storage bin, the vortex pulping machine communicated with the storage bin, a pulp storage tank connected with the vortex pulping machine, and a grouting pipeline connected with a water outlet of the pulp storage tank;
the roadbed settlement deformation monitoring system comprises a roadbed settlement monitoring module, a roadbed settlement calculation module and an early warning module;
the roadbed settlement deformation monitoring system is used for monitoring roadbed settlement in real time;
the roadbed settlement monitoring module is used for monitoring roadbed settlement parameters in real time;
the subgrade settlement calculation module is used for calculating subgrade mud loss M1And sends out instruction to the early warning module and sends out signal to the comprehensive control system through the communication transmission module;
the comprehensive control system is in communication connection with the water storage tank, the first ultrasonic liquid level instrument, the storage bin, the second ultrasonic liquid level instrument, the vortex grouting machine, the slurry storage tank and the grouting pipeline and is used for monitoring the water level of the water storage tank, throwing and remaining amount of roadbed grouting raw materials in the storage bin, remotely controlling the slurry quality in the slurry storage tank after the slurry is made and grouting the roadbed through the grouting pipeline.
And an electromagnetic flowmeter is arranged on a pipeline connecting the vortex pulping machine and the reservoir and is used for monitoring the real-time water supply flow of the reservoir to the vortex pulping machine in real time. And a density sensor is arranged in the pulp storage tank and used for monitoring the density of the prepared pulp of the vortex pulping machine stored in the pulp storage tank in real time and further monitoring whether the quality of the output pulp reaches the standard or not in real time. And a radar level meter is arranged in the storage bin and used for monitoring the residual amount of the pulping raw materials in the storage bin in real time. And the grouting pump is arranged on the grouting pipeline and used for pushing prepared slurry of the stored vortex pulping machine in the slurry storage tank to be pumped into the grouting pipeline.
Example 3
The method for monitoring the settlement and grouting of the highway subgrade by using the system in the embodiment 2 comprises the following steps:
s1: roadbed settlement monitoring module in roadbed settlement deformation monitoring system monitors additional influence coefficient initial value X of roadbed settlement parameter grouting roadbed matrix characteristic in real time0Monitoring an additional influence coefficient X of the characteristics of the grouting roadbed matrix, a soil covering parameter Y on the grouting roadbed matrix and a weighted compression modulus of the grouting roadbed matrix, and transmitting the parameters to a roadbed settlement calculation module;
s2: roadbed settlement calculation module calculates roadbed mud loss M1To judge the roadbed mud loss M1If the roadbed settlement deformation exceeds the threshold value, sending an instruction to the early warning module and sending a signal to the comprehensive control system through the communication transmission module, and sending a roadbed settlement deformation early warning signal to the comprehensive control system by the early warning module;
s3: the comprehensive control system monitors the water level of the reservoir in real time, monitors the throwing and remaining amount of roadbed grouting raw materials in the storage bin in real time, and remotely controls the vortex pulping machine to prepare slurry, and the quality of the slurry in the slurry storage bin after the completion of the slurry preparation;
s4: and if the quality of the slurry reaches the roadbed grouting standard, the comprehensive control system controls the prepared slurry in the storage bin to be injected into the grouting pipeline, and the highway roadbed is grouted through the grouting pipeline.
Subgrade mud loss M1The calculation formula is as follows:
wherein, X0An initial value of an additional influence coefficient of the characteristics of the grouting roadbed matrix, X is the additional influence coefficient of the characteristics of the grouting roadbed matrix, Y is a soil covering parameter on the grouting roadbed matrix, UkThe method is characterized in that the method is the weighted compression modulus of a grouting roadbed matrix, Z is a grouting reinforcing ring parameter, and n is the thickness of a grouting reinforcing ring.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (7)
1. The highway subgrade settlement grouting monitoring system is characterized by comprising a subgrade settlement deformation monitoring system, a communication transmission module, a comprehensive control system, a reservoir, a first ultrasonic liquid level instrument arranged in the reservoir, a water supply pipeline communicating the reservoir with a water inlet of a vortex pulping machine, a storage bin, a second ultrasonic liquid level instrument positioned in the vortex pulping machine, the vortex pulping machine communicated with the storage bin, a pulp storage tank connected with the vortex pulping machine and a grouting pipeline connected with a water outlet of the pulp storage tank;
the roadbed settlement deformation monitoring system comprises a roadbed settlement monitoring module, a roadbed settlement calculation module and an early warning module;
the roadbed settlement deformation monitoring system is used for monitoring roadbed settlement in real time;
the roadbed settlement monitoring module is used for monitoring roadbed settlement parameters in real time;
the subgrade settlement calculation module is used for calculating subgrade mud loss M1And sends out instruction to the early warning module and sends out signal to the comprehensive control system through the communication transmission module;
the comprehensive control system is in communication connection with the water storage tank, the first ultrasonic liquid level instrument, the storage bin, the second ultrasonic liquid level instrument, the vortex grouting machine, the slurry storage tank and the grouting pipeline and is used for monitoring the water level of the water storage tank in real time, throwing and remaining the road foundation grouting raw materials in the storage bin, remotely controlling the vortex grouting machine to perform pulping, and after the pulping is finished, controlling the quality of the slurry in the slurry storage tank and grouting the road foundation through the grouting pipeline.
2. The highway subgrade settlement grouting monitoring system according to claim 1, wherein an electromagnetic flow meter is arranged on a pipeline connecting the vortex flow pulping machine and the water storage tank, and the electromagnetic flow meter is used for monitoring the real-time water supply flow of the water storage tank to the vortex flow pulping machine in real time.
3. The system for monitoring settlement and grouting of the roadbed of the expressway of claim 1, wherein a density sensor is arranged in the slurry storage tank and used for monitoring the density of the prepared slurry of the vortex grouting machine stored in the slurry storage tank in real time so as to monitor whether the quality of the output slurry reaches the standard or not in real time.
4. The highway subgrade settlement grouting monitoring system according to claim 1, wherein a radar level gauge is arranged in the storage bin and used for monitoring the residual amount of the pulping raw materials in the storage bin in real time.
5. The highway subgrade settlement grouting monitoring system according to claim 1, wherein a grouting pump for pushing prepared slurry of a stored vortex grouting machine in a slurry storage tank to be pumped into the grouting pipeline is arranged on the grouting pipeline.
6. A method for monitoring settlement and grouting of a roadbed of a highway using the system according to any one of claims 1 to 5, comprising the steps of:
s1: roadbed settlement monitoring module in roadbed settlement deformation monitoring system monitors additional influence coefficient initial value X of roadbed settlement parameter grouting roadbed matrix characteristic in real time0Monitoring an additional influence coefficient X of the characteristics of the grouting roadbed matrix, a soil covering parameter Y on the grouting roadbed matrix and a weighted compression modulus of the grouting roadbed matrix, and transmitting the parameters to the roadbed settlement calculation module;
s2: roadbed settlement calculation module calculates roadbed mud loss M1To judge the roadbed mud loss M1Whether the subgrade settlement deformation is caused by exceeding a threshold value or not, if the subgrade settlement deformation exceeds the threshold value, an instruction is sent to the early warning module, and the comprehensive control system is sent to the communication transmission moduleThe system sends out a signal;
s3: the comprehensive control system monitors the water level of the reservoir in real time, monitors the throwing and remaining amount of roadbed grouting raw materials in the storage bin in real time, and remotely controls the vortex pulping machine to prepare slurry, and the quality of the slurry in the slurry storage bin after the completion of the slurry preparation;
s4: and if the quality of the slurry reaches the roadbed grouting standard, the comprehensive control system controls the prepared slurry in the storage bin to be injected into the grouting pipeline, and the highway roadbed is grouted through the grouting pipeline.
7. The method of monitoring settlement grouting of a highway subgrade according to claim 6, wherein the subgrade mud loss M is1The calculation formula is as follows:
wherein, X is0Initial value of additional influence coefficient for the characteristics of the grouting roadbed matrix, X is the additional influence coefficient for the characteristics of the grouting roadbed matrix, Y is the earthing parameter on the grouting roadbed matrix, UkThe method is characterized in that the method is the weighted compression modulus of a grouting roadbed matrix, Z is a grouting reinforcing ring parameter, and n is the thickness of a grouting reinforcing ring.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113957775A (en) * | 2021-11-04 | 2022-01-21 | 河海大学 | Intelligent device for repairing bump at bridge head |
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| CN104123434A (en) * | 2014-06-13 | 2014-10-29 | 国家电网公司 | Real-time active control method for surface subsidence generated by top pipe tunnel in penetrating expressway |
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2021
- 2021-05-18 CN CN202110541090.5A patent/CN113216283A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101581205A (en) * | 2009-06-20 | 2009-11-18 | 吕光 | Self-controlled mine surface grout injection system |
| CN102829759A (en) * | 2012-08-31 | 2012-12-19 | 中铁二十一局集团有限公司 | Remote intelligent three-dimensional digital early warning method and system for subgrade surface settlement |
| CN102852129A (en) * | 2012-09-17 | 2013-01-02 | 中交第一公路勘察设计研究院有限公司 | Automatic long-term monitoring system and monitoring method for severe roadbed deformation |
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| CN113957775A (en) * | 2021-11-04 | 2022-01-21 | 河海大学 | Intelligent device for repairing bump at bridge head |
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