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Rayleigh wave based airport runway void monitoring method

An airport runway and emptying technology, which is applied in the field of flight, can solve the problems of difficult operation, road surface detection equipment and methods cannot be detected in service, and high cost, so as to achieve the effect of improving and ensuring safe operation

Inactive Publication Date: 2018-05-15
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0008] The technical problem to be solved by the present invention is to provide a Rayleigh wave-based airport runway void monitoring method, which is real-time and easy to use, in view of the shortcomings of existing pavement detection equipment and methods that cannot be detected in service, high cost, and difficult to operate. , low cost, has great application value

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  • Rayleigh wave based airport runway void monitoring method
  • Rayleigh wave based airport runway void monitoring method
  • Rayleigh wave based airport runway void monitoring method

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Embodiment Construction

[0040] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0041] This invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, components are exaggerated for clarity.

[0042] Step 1), monitor terminal is set: described monitor terminal comprises summary communication unit, data processing module and display module, and described data processing module is electrically connected with summary communication unit, display module respectively;

[0043] Step 2), several sensor nodes are set along the airport runway in a linear equidistant manner and data transmission tests are carried out. The sensor nodes include MEMS3-axis acceleration sensors, node commu...

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Abstract

The invention discloses a rayleigh wave based airport runway void monitoring method. The method includes: firstly, setting a monitoring terminal; secondly, arranging a plurality of sensor nodes alongan airport runway in a linear equal interval manner, and performing data transmission testing; thirdly, exciting rayleigh waves to transmit sensor node data to a collection communication unit; fourthly, transmitting received vibration data of each sensor node to a data processing module through the collection communication unit; fifthly, adopting the data processing module for sensor data processing including purification and frequency dispersion curve extraction; finally, transmitting a rayleigh wave frequency dispersion curve to a display module through the data processing module, and displaying through the display module. By runway damage position and degree diagnosis according to a rayleigh wave detection theory, scientific assessment of runway service conditions, damage conditions andbearing capacity is realized, and the novel method is provided for airport runway in-service nondestructive testing.

Description

technical field [0001] The invention relates to the field of flight, in particular to a Rayleigh wave-based airport runway void monitoring method. Background technique [0002] With the rapid development of the civil aviation transportation industry, aviation safety accidents caused by pavement damage often occur. Pavement damage has become an important factor threatening the safety of airport runways, and pavement detection has also become an important research topic. [0003] Our country started relatively late in the technology of airport pavement detection. Through independent research and development and technology introduction, it has also made great progress in the field of pavement detection. At present, the main pavement detection methods in our country include deflection detection, core drilling sampling, ground penetrating radar and so on. These methods have their own characteristics, as follows: [0004] Deflection testing is a common method for pavement struc...

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Application Information

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IPC IPC(8): G01N29/04G01N29/50
CPCG01N29/041G01N29/50G01N2291/011G01N2291/0289
Inventor 郑帆军田裕鹏王允李始燕
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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