Modified Micro-Mechanical Fiber Bridging Model for Crack Plane of Fiber Rreinforced Cementitious Composite

섬유보강 복합체의 균열면 해석을 위한 수정 미세역학 모델

  • 신경준 (서울대학교 지구환경시스템공학부) ;
  • 박종범 (서울대학교 지구환경시스템공학부)
  • Published : 2006.05.11

Abstract

In this paper, the post cracking stress-crack width relationship of the composite is studied from a micromechanics points of view. Cook-Gordon debonding effect is studied by more refined method with considering of chemical friction of fiber interface. As a result, fiber with pre-debonding length retards stress development and shows more wide crack width for the same force level. longer pre-debonding length and lower pre-debonding bond strength results in lower full-debonding force, but same crack width.

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