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Abstrakt: Existence of the interface between regions with different elastic properties have a pronounced influence on the behaviour of cracks The aim of the present contr [...]
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A substantial number of experimentally based works indicate the changes in crack propagation direction on bi-material interface in composite laminate materials. The paper [...]
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Green concretes containing low amounts of Portland cement clinker were developed to reduce the environmental impact such as the global warming potential of concrete struc [...]
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4.
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Brož, P.
Stochastic theory for fracture of concrete materials is applied. The fracture process can be described not only under monotonically increasing load but also under time-de [...]
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5.
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Byrtus, M.
The paper summarizes the method of nonlinear normal modes (NNMs) which has gained importance in nonlinear dynamics. Two main definitions of NNMs are discussed: Rosenberg' [...]
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The shear-friction behavior of the recycled aggregate concrete (RAC) compared to the natural aggregate concrete (NAC) is investigated. Two out of six concrete specimens w [...]
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Abstrakt: A stability criterion based on generalized strain energy density factor for a crack terminating at the bi-material inteiface is suggested. The strain energy den [...]
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8.
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Bayer, Z.
The contribution deals with a group of 13 equations of state (EOS), predominantly of the van der Waals type, both classical and also newly developed in the Institute. In [...]
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In practice, two variants of a symmetric strain tensor of the second order occur. While for the first variant, complete angle alterations are present in the components of [...]
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The paper deals with reconstruction of a sport accident using detailed FE model of skull and brain is presented in the paper. The sport accident involved a 12-year old bo [...]
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Malášek, J.
State of stress identification consists of these parts – of miniaturised pressure sensors in matrix arrangement and of a special strain-gauge bridge – this is a compl [...]
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The paper briefly reviews one of the proposed probabilistic assessment concepts. The potential of the proposed concept and of the corresponding software is emphasized. Th [...]
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The masonry constructions are widely used for a long time. Nowadays, new masonry structures are on demand owing to its variety and appealing mechanical properties. Both b [...]
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This paper deals with numerical simulation of the fracture process in cementitious composite specimens. A technique based on physical discretization of continuum is emplo [...]
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A 3D elastic-plastic FEM model with small strains was used for simulation of the deformation mechanics at the curved front of the planar fatigue crack growing in the thic [...]
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This article deals with three different factors which can influence the accuracy of the stress-strain data of elastomers measured with a biaxial testing rig. In terms of [...]
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Kadlec, M.
Polymer composite panels are widely used in aeronautic and aerospace structures due to their high strength vs. weight ratio. The objective of this study is to determine m [...]
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The oedometric tests that belong to fundamental laboratory tests are carrying out while the subsoil stiffness in uniaxial strain state corresponds to conditions for the r [...]
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Ductile fracture criteria are used for fracture prediction in metal forming processes. In this paper, there is briefly described the method of criteria verification and t [...]
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Abstrakt: The presented paper deals with procedure created for quality and reliability evaluation of ductile fracture criteria group. The base for criteria verification i [...]
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The paper is focused on definition and application of the simple bending fracture model suitable for precision approximation of measured load–deflection diagrams from [...]
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Three point bending test of central notched specimen is used for determination of fracture properties of concrete, mortar and hardened cement paste. The properties – e. [...]
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The paper deals with a static and fatigue strength criterion based on the theory of the reference normal and shear stresses – see Fuxa, J. (2003) and Fuxa, J. (2004). T [...]
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24.
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Fuxa, J.
Fracture strain diagram. Strength criterion as a contribution of physics and mechanics. Review. Definition of the "reference normal" and "reference shear" str [...]
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