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Modern supporting reinforced concrete structures, i.e. columns, piers, frame legs, etc., are characteristic by their higher slendernesses. Effects of external forces on t [...]
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Abstrakt: The integral concepts for calculation of the generalized stress intensity factor and elastic T stress are presented. Both the integrals are based on a validity [...]
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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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Sandwich construction elements, i.e. elements formed by two skins and core, excel in high ratio of bending stiffness to weight of construction. This complex is designed i [...]
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The present contribution aims at the application of homogenization approaches to heterogeneous members subject to bending. The proposed approach is discussed with the emp [...]
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The article is a contribution to numerical simulations of pitting arise phenomena on the gear teeth. The basic assumption of the presented simulations was that pitting (p [...]
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The stability criteria of V-notched bodies under combination of loading modes I and II are suggested and compared in the article. Methodology of stability criterion sugge [...]
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Naď, M.
The existence of a crack in a structural member introduces local modification of flexibility and consequently affects the dynamic behaviour of the cracked member. In this [...]
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According to recent publications, from 2005 to 2008 there were more than 13000 terrorist attacks around the world which took more than 73000 human lives. The attacks were [...]
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The paper presents experimental determination of mechanical properties of different types of animal hairs. Mortars reinforced by thin fibres have promising properties for [...]
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The fatigue crack growth rate in the Eurofer 97 steel was measured by two different methodologies. Small crack growth data were obtained using cylindrical specimens with [...]
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Physical and chemical changes in quasibrittle materials loaded with high temperature affect the fracture mechanical behavior of structures. Threepoint bending tests of no [...]
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A two-parameter fracture mechanics method is applied to small cracks near a stress concentrator. The small crack in the present contribution is considered as crack influe [...]
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Presented paper is concerned with the numerical modeling of quasibrittle materials such as concrete. Brancherie and Ibrahimbegovic are authors of a simple model capable o [...]
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This contribution presents a simple numerical model for crack growth under mode-I compressive fatigue loading. Residual tensile stress at the crack tip, which is responsi [...]
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Under the consideration of the bi-material notch composed of two orthotropic materials the potential direction of the crack initiated from the notch tip is determined fro [...]
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SASTURKAR, Pandurang. J.
This paper reports test results of 25 grossly under reinforced relatively large size simply supported tapered concrete beams subjected to flexural effects up to failure. [...]
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The aim of this paper is to investigate the beginnings of crack propagation from sharp V-notches. Stress distribution around the tip of a V-notch is described on the basi [...]
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This paper is focused on fracture energy which belongs to the basic fracture-mechanical characteristics of quasi-brittle materials. This parameter is explored here from t [...]
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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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This paper presents an experimental investigation on mechanical properties and durability of fibre reinforced concrete (FRC) incorporating polypropylene (PP) fibres expos [...]
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Seven ductile fracture criteria are applied to simulation of cold forward extrusion and their performance in prediction of chevron cracks is presented. The criteria are i [...]
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Kalousek, Z.
The topic of the paper is the solution of the equilibrium equations for the fiexion of a transversally isotropic fibre and the discussion on the results for the materials [...]
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The basic fracture properties of cement-based composite are ascertained on the basis of test evaluations of the specimens in suitable test configurations. Three-point ben [...]
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Presented paper deals with fracture behaviour of carbon fibre reinforced composites on the basis of Portland (PC) and alumina (HC) cement. Carbon fibres can be used for [...]
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The contribution deals with the 3D analysis of the chevron notched three point bending specimen which is used to determine the fracture toughness of brittle matrix compos [...]
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In this paper is solved a 3D analysis of growing crack of the chevron notched three-point-bending specimen. On macroscale the specimen body is modeled as an elastic homog [...]
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