FraMCoS 2 1995 Zurich, Switzerland

Simulations of Tensile Fracture in Concrete

•• UJL.JJLll'-''-" to concrete Trr>r•T>~re>. paper an overview is given most of these lattices. A UJl_.,, .. ~,,~~··~ fracture in a single edge notched (SEN) specimen, is used to l'rn'YlnlJlrP> behaviour of the various lattice types. A remeshing procedure been…

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Year 1995
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Abstract

•• UJL.JJLll'-''-" to concrete Trr>r•T>~re>. paper an overview is given most of these lattices. A UJl_.,, .. ~,,~~··~ fracture in a single edge notched (SEN) specimen, is used to l'rn'YlnlJlrP> behaviour of the various lattice types. A remeshing procedure been developed recently will discussed as well. Next to of the tensile test, a new splitting experiment and a shear test is ...,,.._ .... ..,.Jl ..... '" ..... '"" this remeshing technique. first to propose Because of ......................... ..... a square ron.~-. l"'rC>TCl> because of the JLLJLLUJ.JU.U.L'-''JLI. changed to a triangular can be by varying the cross sectional Heterogeneity of the lattice is already available when a ........ u .... '"' ........... , • .._, ................... ,., .. .., ..... is assigned to the of the beams, as shown Fig . ....... ...,_JlJ!.JL ... U.._ .. ,L ... , 1992). a regular triangular lattice (Fig. to be implemented separately (Schlangen, ................. ..., ............... structure has to be simulated on of lattice, is a method will be discussed in this paper. Through years several (triangular) lattice types have been applied for simulating cracking of concrete under mode I. Applications are for example .._,,,.,,,..,,.ll ............ """"' ...... (1993), Schlangen (1995), Van Mier & Vervuurt (1994) ............. Jl"""'"' types this an element the finite ...., ... ...,J", .. ..., ......... spite of ~ ....... ~L·~ behaviour of lattice elements, ....... Jl .................