CN110908299B - Intelligent control system for construction of assembled underground structure - Google Patents
Intelligent control system for construction of assembled underground structure Download PDFInfo
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- CN110908299B CN110908299B CN201911013756.9A CN201911013756A CN110908299B CN 110908299 B CN110908299 B CN 110908299B CN 201911013756 A CN201911013756 A CN 201911013756A CN 110908299 B CN110908299 B CN 110908299B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention provides an assembled intelligent control system for underground structure construction, which comprises a piezoelectric rubber sensor, a repeater, a gateway, an integrated server and an automatic construction equipment control system, wherein the piezoelectric rubber sensor consists of a piezoelectric rubber component, a data line, a controller and a wireless transmitter, the piezoelectric rubber component is embedded into a rubber sealing gasket at the joint of an underground structure prefabricated member, the piezoelectric rubber sensor is in communication connection with the repeater, the gateway and the integrated server, and the integrated server is in control connection with the automatic construction equipment control system. The invention can carry out real-time dynamic intelligent regulation and control on the construction of the assembled underground structure and improve the construction quality of the assembled underground structure.
Description
Technical Field
The invention relates to an intelligent control system for assembly type underground structure construction, which is applied to intelligent regulation and control of prefabricated assembly type underground structure construction such as immersed tube tunnels, shield tunnels, pipe-jacking tunnels, underground comprehensive pipe galleries and the like.
Background
With the rapid development of urban underground space development, underground structure arrangement presents an intensive situation. In order to avoid the existing underground structures and foundation foundations, reduce disturbance and damage to the existing underground structures and ensure the safety of the existing underground structures, curve tunnels are increasingly increased in tunnel line planning, and the radius of the curve tunnels is also increasingly smaller. And the small-radius curve tunnel has very high requirements on the construction quality of the fabricated underground structure, and the poor construction quality can cause the following engineering problems: (1) The assembled underground structure leaks water, the underground structure exists in the underground water environment for a long time, in order to meet the waterproof requirement, the joint part of the assembled underground structure is provided with a rubber sealing gasket water stopping structure, the water pressure is resisted by compressing and squeezing the rubber sealing gasket water stopping structure, the compressed and compacted state of the rubber sealing gasket is closely related to the construction quality of the assembled underground structure, and poor construction quality can cause the connection part of the assembled underground structure to open and move in a staggered manner, so that the water leakage is induced; (2) The assembly type underground structure is damaged, the collision and extrusion between adjacent pipe pieces (sections) can be caused due to poor assembly quality of the curved underground structure, the end part of the prefabricated pipe piece (section) can be damaged under severe conditions, and the safety of the underground structure is adversely affected; (3) The shield tail and the duct piece of the shield tunneling machine are clamped, a gap of only a few centimeters is reserved between the shield shell and the duct piece of the shield tunneling machine, if the assembling quality of the curve tunnel is poor, the shield tail of the shield tunneling machine is clamped by the newly assembled duct piece ring, and the shield tunneling machine cannot tunnel forwards. At present, the opening amount and the dislocation amount of the joint of the assembled underground structure are measured by a manual observation method, the assembling quality of the assembled underground structure is evaluated according to the displacement between adjacent pipe pieces (sections), and the water stopping performance of the rubber sealing gasket at the joint is indirectly evaluated. However, the manual monitoring precision is limited, the efficiency is not high, real-time evaluation and early warning cannot be performed, and the real-time dynamic feedback effect on the construction quality of the pipe is poor. In order to improve the construction quality of the fabricated underground structure, the development of a real-time dynamic fabricated underground structure construction intelligent regulation and control system becomes a technical problem to be solved urgently.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, the invention designs a control system for performing real-time and dynamic intelligent regulation and control on the construction of the fabricated underground structure so as to improve the construction quality of the fabricated underground structure.
The technical scheme is as follows: in order to solve the technical problems, the assembly type intelligent control system for underground structure construction comprises a piezoelectric rubber sensor, a repeater, a gateway, an integrated server and an automatic construction equipment control system, wherein the piezoelectric rubber sensor comprises a piezoelectric rubber component, a data line, a controller and a wireless transmitter, the piezoelectric rubber component is embedded into a rubber sealing gasket at the joint of an underground structure prefabricated member, the piezoelectric rubber sensor is in communication connection with the repeater, the gateway and the integrated server, and the integrated server is in control connection with the automatic construction equipment control system.
Specifically, the piezoelectric rubber sensors are arranged at the top and the bottom of the fabricated underground structure and at the arches (side walls) on the left side and the right side, the sensors are symmetrically arranged at equal intervals in the cross section of the tunnel, and the number of sensor measuring points in each section is not less than 4. At least two piezoelectric rubber components are arranged at each measuring point, the piezoelectric rubber components can be arranged at the same side of the rubber sealing gasket and can also be arranged at two sides of the rubber sealing gasket, when the piezoelectric rubber components are arranged at the same side, the piezoelectric rubber components are arranged close to the left edge and the right edge of the rubber sealing gasket, and the distance between the piezoelectric rubber components and the outer edge is not more than 1/3 of the width of the sealing gasket; when the two sides are arranged, the piezoelectric rubber components on the two sides are arranged close to the edge of the rubber sealing gasket, the distance from the piezoelectric rubber components on the two sides to the outer edge is not more than 1/3 of the width of the sealing gasket, and the piezoelectric rubber components on the two sides are arranged in a staggered mode.
The integrated server comprises a wireless data acquisition system, a data storage system, an intelligent evaluation system and an intelligent control system, wherein the wireless data acquisition system receives the contact pressure of the rubber sealing gasket monitored by the wireless piezoelectric sensor in real time through a wireless network, preprocesses the monitoring data, stores the preprocessed monitoring data in the data storage system, the intelligent evaluation system calls the contact pressure monitoring data in the data storage system, and evaluates the segment splicing quality in real time by using an intelligent evaluation method;
the invention also provides an intelligent evaluation method of the system, which comprises an assembly construction quality judgment method of the assembly underground structure and an intelligent optimization method of the construction parameters of the assembly underground structure.
The assembling construction quality judging method is characterized in that a contact pressure measured value monitored by the piezoelectric rubber sensor is compared with a contact pressure design value, when the measured value is between a contact pressure allowable minimum value and a contact pressure allowable maximum value, construction parameters do not need to be adjusted, and when the measured value is smaller than the allowable minimum value or larger than the allowable maximum value, the construction parameters need to be adjusted.
The intelligent optimization method for the construction parameters of the fabricated underground structure optimizes the construction parameters by using advanced intelligent algorithms such as a fuzzy neural network and the like, collects engineering data information such as engineering geology, hydrogeology, engineering conditions, construction parameters, displacement of joints (heads), contact pressure monitoring values of rubber gaskets and the like of completed similar engineering and constructed intervals of the engineering, establishes a nonlinear intelligent prediction model between the engineering geology, the hydrogeology, the engineering conditions, the construction parameters and the contact pressure of the rubber gaskets by using the engineering data information as a learning sample, adjusts the structure and the parameter setting in the intelligent prediction model in real time along with the construction process to form a feedback type dynamic intelligent prediction model, and optimizes the construction parameters through the nonlinear intelligent prediction model.
The invention principle is as follows: the assembled underground structure construction control system comprises a piezoelectric rubber sensor, a repeater, a gateway, an integrated server, an automatic construction equipment control system and the like. When the system works, the contact pressure information of the joint of the underground structure is acquired through the piezoelectric rubber sensor and is transmitted to the comprehensive server through the repeater and the gateway, the information is fed back to the automatic construction equipment control system after the comprehensive server processes and evaluates the information, and the automatic construction equipment control system intelligently regulates and controls construction parameters influencing the assembling quality of the underground structure until the assembling quality of the underground structure meets design requirements. The monitoring surface is at least provided with four monitoring points of arch waists at the top, the bottom, the left side and the right side, and the four monitoring points comprehensively reflect the real-time posture of the monitoring surface. At least two piezoelectric rubber components are arranged at each monitoring point, and the opening, compression and dislocation conditions of the measuring point are judged by comparing the contact pressure of the two piezoelectric rubber components.
Has the beneficial effects that: the intelligent control system for the construction of the assembled underground structure can directly monitor the contact pressure of the rubber sealing gasket at the joint (head) of the underground structure, and is more accurate than a joint (head) displacement indirect monitoring method; automatic real-time monitoring is realized, the problems of long feedback timeliness, low efficiency and lack of real-time performance in conventional monitoring are solved, and real-time evaluation and early warning of tunnel construction quality are realized; the construction parameters are optimized by an intelligent algorithm, and intelligent regulation and control of the construction parameters of the assembled underground structure are realized.
In addition to the technical problems addressed by the present invention, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above. In order to make the objects, technical solutions and advantages of the present invention clearer, other technical problems, other technical features included in the technical solutions and advantages brought by the technical features which can be solved by the present invention will be described more clearly and completely with reference to the accompanying drawings in the embodiments of the present invention.
Drawings
FIG. 1 is a block diagram of an intelligent control system according to an embodiment of the present invention;
FIG. 2 is a diagram of the positions of monitoring points of a piezoelectric sensor;
FIG. 3 is a layout view of the piezoelectric rubber members (same side arrangement);
fig. 4 is a layout view (staggered arrangement) of the piezoelectric rubber member;
in the figure: 1 is a rubber sealing gasket; 2 is an energy storage; 3 is a data line; 4 is a controller; 5 is a wireless transmitter; 6 is a repeater; 7 is a gateway; 8 is a wireless data acquisition system; 9 is a data storage system; 10 is an intelligent evaluation system; 11 is a comprehensive server; 12 is an automatic control system of construction equipment; 13 is an underground structure prefabricated member; 14 is an underground structural joint; 15 is a lead hole; 16 is a shield machine; 17 is the top monitor point (point T); 18 is a left arch monitoring point (L point); a right arch monitoring point (R point) 19; 20 is the bottom monitoring point (point B); 21 is a piezoelectric rubber member.
Detailed Description
The embodiment is as follows:
when the intelligent control system for the fabricated underground structure construction is used, as shown in fig. 1, a rubber sealing gasket 1 is arranged in an underground structure joint 14 of an underground structure prefabricated member 13, a piezoelectric rubber component 21 is arranged in the rubber sealing gasket 1, the piezoelectric rubber sensor is composed of the piezoelectric rubber component 21, a data line 3, a controller 4 and a wireless transmitter 5, and the piezoelectric rubber sensor, a repeater 6, a gateway 7, an integrated server 11, a construction equipment automatic control system 12 and the like form the fabricated underground structure construction control system.
When the system works, the contact pressure information of the joint of the underground structure is acquired through the piezoelectric rubber sensor and is transmitted to the comprehensive server 11 through the repeater 6 and the gateway 7, the information is processed and evaluated by the comprehensive server 11 and then fed back to the automatic construction equipment control system 12, and the automatic construction equipment control system 12 intelligently regulates and controls construction parameters influencing the assembling quality of the underground structure through operating the shield machine 16 until the assembling quality of the underground structure meets design requirements. As shown in fig. 2, at least four monitoring points, namely, a top monitoring point (T point) 17, a left arch monitoring point (L point) 18, a right arch monitoring point (R point) 19 and a bottom monitoring point (B point) 20, are arranged on the monitoring surface, and the four monitoring points comprehensively reflect the real-time posture of the monitoring surface.
As shown in FIG. 3 and FIG. 4, the piezoelectric rubber component 21 of the piezoelectric rubber sensor is embedded into the rubber gasket 1, forms an integrated structure with the rubber gasket 1, is provided with the lead hole 15, is provided with at least two piezoelectric rubber components 21 at each monitoring point, and judges the opening, compression and dislocation of the measuring point through the comparison of the contact pressure of the two components. Both may be in the same side arrangement as in fig. 3 or in an offset arrangement as in fig. 4.
The arrangement method of the system comprises the following steps:
(1) Before the underground structure rubber sealing gasket is installed, piezoelectric rubber components are distributed in the rubber sealing gasket, two piezoelectric rubber components are distributed at each monitoring point at equal intervals, piezoelectric rubber sensors are distributed at the top, the bottom, the arches (side walls) at the left side and the right side of the assembled underground structure, the sensors are symmetrically distributed at equal intervals in the transverse section of the tunnel, and the number of sensor measuring points in each section is not less than 4;
(2) Gradually installing gateways and repeaters in the underground structure body, performing wireless transmission networking, and performing wireless connection with the comprehensive server;
(3) And after the comprehensive server processes and evaluates the contact pressure monitoring data, the information is fed back to the automatic construction equipment control system, and the automatic construction equipment control system intelligently controls construction parameters influencing the assembling quality of the underground structure until the assembling quality of the underground structure meets the design requirements.
Therefore, the assembly type intelligent control system for underground structure construction can directly monitor the contact pressure of the rubber sealing gasket at the joint (head) of the underground structure, and is more accurate than an indirect joint (head) displacement monitoring method; automatic real-time monitoring is realized, the problems of long feedback timeliness, low efficiency and lack of real-time performance in conventional monitoring are solved, and real-time evaluation and early warning of tunnel construction quality are realized; the construction parameters are optimized by using an intelligent algorithm, and the intelligent regulation and control of the construction parameters of the assembled underground structure are realized.
The invention provides a real-time dynamic intelligent regulation and control method for the construction of an assembled underground structure, and the method and the way for realizing the technical scheme are many, and the method is a preferred embodiment provided by way of example. Numerous modifications, changes, and substitutions will occur to those skilled in the art without departing from the invention. It should be understood that various alternatives to the embodiments of the invention described herein may be employed in practicing the invention. It is intended that the following claims define the scope of the invention and that methods and structures within the scope of these claims and their equivalents be covered thereby. All the components not specified in the present embodiment can be realized by the prior art.
Claims (8)
1. The utility model provides an assembled underground structure construction intelligence control system which characterized in that: comprises a piezoelectric rubber sensor, a repeater, a gateway, an integrated server and an automatic control system of construction equipment,
the piezoelectric rubber sensor comprises a piezoelectric rubber component, a data line, a controller, an energy storage and a wireless transmitter, wherein the piezoelectric rubber component is embedded into a rubber sealing gasket at the joint of an underground structure prefabricated part and forms an integrated structure with the rubber sealing gasket;
the piezoelectric rubber sensor is in communication connection with the repeater, the gateway and the comprehensive server, and the comprehensive server is in control connection with the automatic control system of the construction equipment;
the rubber sealing gasket is a water stopping structure arranged at the joint part of the rubber sealing gasket, the water stopping structure of the rubber sealing gasket is compressed and compacted to resist water pressure, and the piezoelectric rubber component is used for monitoring the contact pressure of the rubber sealing gasket at the joint of the underground structure;
before the underground structure rubber sealing gasket is installed, piezoelectric rubber components are distributed in the rubber sealing gasket, two piezoelectric rubber components are distributed at each monitoring point at equal intervals, and the piezoelectric rubber components are distributed at the joints of the top, the bottom and the arched waists at the left side and the right side of the assembled underground structure;
the piezoelectric rubber components are symmetrically arranged at equal intervals in the cross section of the tunnel, the number of sensor measuring points in each cross section is not less than 4, at least two piezoelectric rubber components are arranged at each monitoring point, and the opening, compression and dislocation conditions of the measuring points are judged by comparing the contact pressure of the two piezoelectric rubber components.
2. The intelligent control system for assembly type underground structure construction according to claim 1, wherein: the piezoelectric rubber component is arranged on the same side of the rubber sealing gasket, the piezoelectric rubber component is arranged close to the left edge and the right edge of the rubber sealing gasket, and the distance from the piezoelectric rubber component to the outer edge is not more than 1/3 of the width of the sealing gasket.
3. The intelligent control system for assembly type underground structure construction according to claim 1, wherein: the piezoelectric rubber components are arranged on two sides of the rubber sealing gasket, the piezoelectric rubber components on the two sides are arranged close to the edge of the rubber sealing gasket in a staggered mode, and the distance between the piezoelectric rubber components and the outer edge does not exceed 1/3 of the width of the sealing gasket.
4. The fabricated underground structure construction intelligent control system of claim 2 or 3, wherein: the comprehensive server comprises a wireless data acquisition system, a data storage system, an intelligent evaluation system and an intelligent control system, wherein the wireless data acquisition system receives rubber sealing gasket contact pressure monitored by a wireless piezoelectric sensor in real time through a wireless network, the monitoring data are preprocessed and stored in the data storage system, the intelligent evaluation system retrieves the contact pressure monitoring data in the data storage system, the segment assembling quality is evaluated in real time by an intelligent evaluation method, the intelligent control system intelligently controls the automatic construction equipment control system according to evaluation results, and the automatic construction equipment control system regulates and controls construction parameters influencing the assembling type segment or segment assembling quality.
5. The intelligent control system for assembly type underground structure construction according to claim 4, wherein: and executing an assembling construction quality judging method and a construction parameter intelligent optimizing method.
6. The intelligent control system for assembly type underground structure construction according to claim 5, wherein: the assembling construction quality judging method is characterized in that a measured value of the contact pressure of the rubber sealing gasket monitored by the piezoelectric rubber sensor is compared with a designed value of the contact pressure, when the measured value is between a minimum value and a maximum value allowed by the contact pressure, construction parameters do not need to be adjusted, and when the measured value is smaller than the minimum value or larger than the maximum value allowed by the contact pressure, the construction parameters need to be adjusted.
7. The intelligent control system for assembly type underground structure construction according to claim 5, wherein: the construction parameter intelligent optimization method comprises the steps of optimizing construction parameters by using advanced intelligent algorithms such as a fuzzy neural network and the like, collecting engineering data information, establishing a nonlinear intelligent prediction model between engineering geology, hydrogeology, engineering conditions and construction parameters and the contact pressure of a rubber sealing gasket by using the engineering data information as a learning sample, adjusting the structure and parameter setting in the intelligent prediction model in real time along with the construction process, and optimizing the construction parameters through the nonlinear intelligent prediction model, wherein the structure and parameter setting in the intelligent prediction model are feedback type dynamic intelligent prediction model.
8. The intelligent control system for assembly type underground structure construction according to claim 7, wherein: the engineering data information comprises engineering geology, hydrogeology, engineering conditions, construction parameters, displacement of joints or joints and contact pressure monitoring values of similar engineering completed and the construction interval of the engineering.
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| CN115711706B (en) * | 2023-01-09 | 2023-04-18 | 中南大学 | Tunnel joint sealing gasket waterproof capacity early warning system and judgment method |
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| CN203891899U (en) * | 2014-04-04 | 2014-10-22 | 北京城建设计发展集团股份有限公司 | Hollow filling-type rubber gasket |
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| CN100336238C (en) * | 2005-01-04 | 2007-09-05 | 西安交通大学 | Method of piezoelectric power generation by using vibration energy of road surface, and street lighting luminaire system therefor |
| EP2433440B1 (en) * | 2009-05-22 | 2018-07-25 | Mueller International, LLC | Infrastructure monitoring devices, systems, and methods |
| CN105155597B (en) * | 2015-08-18 | 2017-03-08 | 金陵科技学院 | A kind of monitoring of underground structure and regulating system and its construction method |
| CN108397201A (en) * | 2018-01-31 | 2018-08-14 | 中铁二十二局集团第工程有限公司 | The safe construction method of rock tunnel(ling) machine |
| CN109557184A (en) * | 2019-01-15 | 2019-04-02 | 福州大学 | For bridge pier sensor laying and method that stabilization by drainage construction quality monitors |
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| CN203891899U (en) * | 2014-04-04 | 2014-10-22 | 北京城建设计发展集团股份有限公司 | Hollow filling-type rubber gasket |
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