Paper Title:
Research on Lyapunov Exponent of Chaos Feature in Different Stress Stage of Concrete Joint System
  Abstract

: According to the research on whole curves of strain-stress of concrete materials, the paper illustrates in evidence features of stages and shows that the discrete feature of curve often occurs in strain-softening stage. After chaotic dynamic analysis of testing datas, it presents that system of whole process of strain-stress evolves from ordered steady state to low chaotic state and then to high chaotic state along with increase of compressive strength. The linear relationship of strain- stress grows evident and the system evolves from strong ordered steady state to low chaos state. The strain-stress system before compressive strength peak is basically in weak chaotic state. The is proposed to be the stability criterion of concrete features in different stress stages, and the is regarded as the representative value of the system stability degree. The calculation of example shows that the stability criterion definited by the proposed method is consistent with the actural situation.

  Info
Periodical
Advanced Materials Research (Volumes 143-144)
Edited by
H. Wang, B.J. Zhang, X.Z. Liu, D.Z. Luo, S.B. Zhong
Pages
120-124
DOI
10.4028/www.scientific.net/AMR.143-144.120
Citation
J. W. Song, "Research on Lyapunov Exponent of Chaos Feature in Different Stress Stage of Concrete Joint System", Advanced Materials Research, Vols. 143-144, pp. 120-124, 2011
Online since
October 2010
Authors
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Price
$32.00
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