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首页> 外文会议>2011 International Conference on Computer Distributed Control and Intelligent Environmental Monitoring >New Measurement Technology of Structural Silicone Sealant in Hidden Frame Supported Glass Curtain Wall Based on FFT Power Spectrum
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New Measurement Technology of Structural Silicone Sealant in Hidden Frame Supported Glass Curtain Wall Based on FFT Power Spectrum

机译：基于FFT功率谱的隐框支玻璃幕墙结构硅密封胶新测量技术。

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摘要

The measurement based on FFT power spectrum of pulse transient dynamic response of structural silicone sealant damage in Hidden frame supported glass curtain wall was first proposed in the paper. The signal of four testing points was gathered and FFT Power Spectrum was used to analyze. Power spectral main peak frequency of the signal in contributing proportion of the total power (i ƒØ ) was taken as a dependent variable of the structural silicone sealant damage length ( a ). Experimental data were fitted to establish a functional relations between ¡¥ a ¡¦ and ¡¥ i ƒØ ¡¦byGaussian function or Lorentzian function, and the small damage value of ¡¥ a ¡¦was used to be detected. Research results show that it will be helpful for the application of the structural silicone sealant damage detection technology in the hidden frame supported glass curtain wall.
机译：首次提出了基于FFT功率谱的隐式框架支撑玻璃幕墙结构有机硅密封胶损伤脉冲瞬态动态响应的测量方法。收集四个测试点的信号，并使用FFT功率谱进行分析。信号的功率谱主峰值频率占总功率（iØ）的比例作为结构硅酮密封胶损坏长度（a）的因变量。根据高斯函数或洛伦兹函数拟合实验数据，建立αa和αiƒØ之间的函数关系，并检测出αa的较小损伤值。研究结果表明，该技术将有助于结构硅酮密封胶损伤检测技术在隐框式玻璃幕墙中的应用。

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