On the Fictitious Crack Model of Concrete Fracture

Rune Brincker, Henrik Dahl

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    Abstract

    In this paper the sub-structure method introduced by Petersson is reformulated for the three point bending specimen in order to show how complete load-displacement relations without truncation of significance can be obtained. The problem of instability caused by the linearization of the softening in the fracture zone is discussed, and an alternative energy formulation is given and males it possible to distinguish between stable and unstable situations. The reformulated sub-structure method is implemented on computer in a way that makes it possible to use a multilinear stress-crack-opening-displacement relation for the material in the fracture zone, and some qualitative results are given.
    OriginalsprogEngelsk
    UdgivelsesstedAalborg
    ForlagDept. of Building Technology and Structural Engineering, Aalborg University
    Antal sider23
    StatusUdgivet - 1988
    NavnFracture and Dynamics
    Nummer5
    Vol/bindR8830
    ISSN0902-7513

    Bibliografisk note

    PDF for print: 23 pp.

    Emneord

    • Concrete
    • Concrete Fractures
    • Linearizations
    • Sub-Structure Methods
    • Fractures
    • Fracture Mechanics
    • Ficticious Crack Model
    • FC Model

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