Paper Title:
Numerical Simulation of Quasi-Brittle Fracture in UHPFRC I-Beam as a Linear Complementarity Problem
  Abstract

This paper presents a numerical simulation of quasi-brittle fracture in UHPFRC I-beam as a linear complementarity problem. Based on the investigation of Tin-Loi and Attard, the simulation of quasi-brittle fracture in concrete has been extended to model UHPFRC I-beam by including a tensile hardening. Fracture is simulated through a hardening-softening fracture constitutive law in tension and a softening fracture constitutive law in shear at the boundary nodes, with the material within the triangular unit remaining linear elastic. LCP is used to formulate the path-dependent hardening-softening behavior in non-holonomic rate form. The good matching of test results and numerical results indicates the effectivity of this method.

  Info
Periodical
Key Engineering Materials (Volumes 419-420)
Edited by
Daizhong Su, Qingbin Zhang and Shifan Zhu
Pages
297-300
DOI
10.4028/www.scientific.net/KEM.419-420.297
Citation
S. M. Han, Y. H. Guo, X. G. Wu, Q. Y. Guo, "Numerical Simulation of Quasi-Brittle Fracture in UHPFRC I-Beam as a Linear Complementarity Problem", Key Engineering Materials, Vols. 419-420, pp. 297-300, 2010
Online since
October 2009
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