Damage Identification in Timber Structures Based on Wavelet Singular Spectrum Entropy
Joint Authors
Li, Shengcai
Zhang, Lei
Tang, Jie
Ling, Daijian
Wang, Peixuan
Source
Mathematical Problems in Engineering
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-10-08
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
Vibration responses of building structure closely related to the structural health status.
In this paper, wavelet singular spectrum entropy (WSSE) is proposed to evaluate the damage condition of building structure.
A 1/3 scaled model of a Chinese ancient timber structure has been constructed, and three damage conditions and one restored condition of the structure are simulated.
The acceleration responses for undamaged and the four simulated damaged and restored conditions are measured and analyzed by employing WSSE to identify the location at which the structure has incurred damage.
Results show that (1) the relative variation rate of WSSE for the damaged position changes significantly; (2) the relative variation rate of WSSE of the point that is damaged more severely would become higher; and (3) signals of North-South and East-West directions are required for further identification.
Moreover, a finite element modeling analysis of the timber structure under different damage conditions is performed, and the results verify the applicability of the method proposed.
American Psychological Association (APA)
Li, Shengcai& Zhang, Lei& Tang, Jie& Ling, Daijian& Wang, Peixuan. 2018. Damage Identification in Timber Structures Based on Wavelet Singular Spectrum Entropy. Mathematical Problems in Engineering،Vol. 2018, no. 2018, pp.1-9.
https://search.emarefa.net/detail/BIM-1207722
Modern Language Association (MLA)
Li, Shengcai…[et al.]. Damage Identification in Timber Structures Based on Wavelet Singular Spectrum Entropy. Mathematical Problems in Engineering No. 2018 (2018), pp.1-9.
https://search.emarefa.net/detail/BIM-1207722
American Medical Association (AMA)
Li, Shengcai& Zhang, Lei& Tang, Jie& Ling, Daijian& Wang, Peixuan. Damage Identification in Timber Structures Based on Wavelet Singular Spectrum Entropy. Mathematical Problems in Engineering. 2018. Vol. 2018, no. 2018, pp.1-9.
https://search.emarefa.net/detail/BIM-1207722
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1207722