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A large-span metal roof panel performance degradation assessment method and device

A metal roof, large-span technology, applied in the fields of instrumentation, calculation, electrical and digital data processing, etc., can solve problems such as performance and degradation assessment of metal roofs that have not yet been large-span

Active Publication Date: 2019-06-14
CENT INT GROUP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] However, most of the current existing technologies are used in the performance degradation assessment of mechanical equipment, and there is no effective method for the performance degradation assessment of long-span metal roofs

Method used

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  • A large-span metal roof panel performance degradation assessment method and device
  • A large-span metal roof panel performance degradation assessment method and device
  • A large-span metal roof panel performance degradation assessment method and device

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Embodiment Construction

[0062] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0063] The present invention takes the long-span metal roof as the research object, and proposes a performance degradation evaluation method of the long-span metal roof panel, which combines the data analysis algorithm with the engineering application background, and is easy to implement in actual engineering. In addition, because the structural monitoring signal is a continuous time series with time as the label, due to the complex...

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Abstract

The invention relates to a large-span metal roof panel performance degradation assessment method and device. The method comprises the steps of obtaining the long-term sensor monitoring data representing the state of a metal roof panel; preprocessing the monitoring data; extracting a trend signal, a periodic signal and a noise signal of the preprocessed monitoring data according to a preset algorithm; generating a performance evaluation index representing the metal roof panel, wherein the performance evaluation indexes comprise plastic deformation and fatigue damage performance evaluation indexes; inputting the plastic deformation and fatigue damage performance evaluation indexes into a performance degradation evaluation model; and using the performance degradation evaluation model to output an estimated damage degree. According to the method, the collected monitoring number time sequence historical data are analyzed, the degradation trend of the metal roof panel is mastered according to the performance degradation evaluation model, and the method can be used for guiding maintenance personnel to perform on-condition maintenance and is easy to implement in practical engineering, so that the serious accidents are avoided.

Description

technical field [0001] The invention relates to the technical field of structural fatigue damage and data analysis, in particular to a method and device for evaluating performance degradation of a large-span metal roof panel. Background technique [0002] At present, with the development of the construction industry and science and technology, metal roofs are more and more widely used in modern buildings due to their good performance. Most of the newly built venues in the city, such as gymnasiums, railway stations, bus stations, performance theaters, etc., have steel structure roofs, which belong to long-span and open space structures. [0003] Among them, there are many types of plates for steel structure roofs, including galvanized plates, galvanized plates, aluminum alloy plates, aluminum-magnesium alloy plates, titanium alloy plates, copper plates, stainless steel plates, etc.; the thickness is generally 0.4-1.5mm, and the surface of the plate is generally Carry out pai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
Inventor 蒋海峰卢家俊陈俊臣杨丽曼富辰瑶
Owner CENT INT GROUP
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