Paper Title:
Optimal Design of DFRCC Subjected to Fatigue Loading
  Abstract

This paper describes the optimal design of ductile fiber reinforced cementitious composite (DFRCC) under fatigue loading. First of all, fatigue tensile experiments of the DFRCC under constant strain amplitude were conducted, and the degradation of bridging stress was measured. The test results were employed to verify the micromechanics-based theoretical model developed in this research. The model accounts for the loss of fatigue ruptured fibers of which fatigue rupture is based on S-N relationships. According to the parametric study from the theoretical model, we found that the optimal choice of design variables, such as fiber length, is varied according to the maximum strain level and the number of cyclic loading. Therefore, it is required to design DFRCC optimally under given loading conditions to make the most of its excellent material properties and the developed model enables such a design.

  Info
Periodical
Advanced Materials Research (Volumes 250-253)
Edited by
Guangfan Li, Yong Huang and Chaohe Chen
Pages
430-433
DOI
10.4028/www.scientific.net/AMR.250-253.430
Citation
P. J. Chun, T. Matsumoto, "Optimal Design of DFRCC Subjected to Fatigue Loading", Advanced Materials Research, Vols. 250-253, pp. 430-433, 2011
Online since
May 2011
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Price
$32.00
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