• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 19 Issue 2
Apr.  2006
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Article Contents
ZHANG Jiping, CHEN Qiu, CAO Jixing. Linear Detection Method for Multiple Damages in Structures[J]. Journal of Southwest Jiaotong University, 2006, 19(2): 223-226.
Citation: ZHANG Jiping, CHEN Qiu, CAO Jixing. Linear Detection Method for Multiple Damages in Structures[J]. Journal of Southwest Jiaotong University, 2006, 19(2): 223-226.

Linear Detection Method for Multiple Damages in Structures

  • Received Date: 25 Mar 2005
  • Publish Date: 25 Apr 2006
  • The definition of variation rate of the first modal was presented.It was proved that the variation rates are superpositionable,so that the variation rate of the first modal caused by multiple damages is obtained by superposition of all variation rates of the first modal caused by all the damages.Therefore,the variation rate of the first modal is taken as the signature for damage detection,and multiple damage state is transformed into superposition of single damage states.The procedure of the proposed method was presented.A simply-supported beam and a square plate fixed at four sides were taken as example.The results show that the method can precisely determine the damage state with a simple procedure.

     

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