"Massivebau im Wandel" . . "Chudoba, Rostislav" . "3-939051-20-9" . "A mechanical multi-scale model describing the relationship between the crack-opening and composite bridging stress in brittle matrix composites with heterogeneous reinforcement is introduced. Unlike currently utilized models, it is able to reflect the heterogeneity of fibrous reinforcement. Mechanical, geometrical and bond properties of individual fibers (e.g. fiber surface roughness, radius, strength) are defined as random variables. The functional dependency between these random variables and the fiber stress within the composite cross-section is introduced using local equilibrium equations. The response of the composite to an applied uniaxial tensile load is evaluated by averaging the fiber stress contributions in a crack bridge. In particular, the model describes the behavior of a single crack bridge in a composite assuming the matrix to be rigid. The fiber bridging action is represented using the shear-lag model. Upon fiber rupture the global load sharing for stress redistribution is considered."@en . . . . . . "Vo\u0159echovsk\u00FD, Miroslav" . "Multi-scale model of a single crack bridge in textile reinforced concret"@en . "14"^^ . "Multi-scale model of a single crack bridge in textile reinforced concret" . "Multi-scale model of a single crack bridge in textile reinforced concret" . "2"^^ . . "[4A32C07180D6]" . "3"^^ . "A mechanical multi-scale model describing the relationship between the crack-opening and composite bridging stress in brittle matrix composites with heterogeneous reinforcement is introduced. Unlike currently utilized models, it is able to reflect the heterogeneity of fibrous reinforcement. Mechanical, geometrical and bond properties of individual fibers (e.g. fiber surface roughness, radius, strength) are defined as random variables. The functional dependency between these random variables and the fiber stress within the composite cross-section is introduced using local equilibrium equations. The response of the composite to an applied uniaxial tensile load is evaluated by averaging the fiber stress contributions in a crack bridge. In particular, the model describes the behavior of a single crack bridge in a composite assuming the matrix to be rigid. The fiber bridging action is represented using the shear-lag model. Upon fiber rupture the global load sharing for stress redistribution is considered." . . . "Aachen" . "Aachen" . "P(GC13-19416J)" . . "Multi-scale model of a single crack bridge in textile reinforced concret"@en . . "2014-10-07+02:00"^^ . "RIV/00216305:26110/14:PU113539!RIV15-GA0-26110___" . . . "Neuveden" . "26110" . "RIV/00216305:26110/14:PU113539" . "31116" . . . "Rypl, Rostislav" . "Multi-scale model, reinforced concrete"@en . .