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    ARTICLE

    Fracture Analysis of Concrete Structural Components Accounting for Tension Softening Effect

    A. Rama Ch,ra Murthy1,2, G.S. Palani1, Nagesh R. Iyer1,3, M Srinivasa Pavan1, Smitha Gopinath1

    CMC-Computers, Materials & Continua, Vol.19, No.2, pp. 135-154, 2010, DOI:10.3970/cmc.2010.019.135

    Abstract This paper presents methodologies for fracture analysis of concrete structural components with and without considering tension softening effect. Stress intensity factor (SIF) is computed by using analytical approach and finite element analysis. In the analytical approach, SIF accounting for tension softening effect has been obtained as the difference of SIF obtained using linear elastic fracture mechanics (LEFM) principles and SIF due to closing pressure. Superposition principle has been used by accounting for non-linearity in incremental form. SIF due to crack closing force applied on the effective crack face inside the process zone has been computed… More >

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