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We aim to develop tools for a preventive structural assessment of a large panel of historical buildings, starting from architectural, mechanical and geographical data, in [...]
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Abstrakt: Dynamic effects of seismic excitation and of the steam line break in the weld of the steam pipe and the steam collector during an earthquake are analyzed. Gener [...]
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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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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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This paper turns attention to the potential of the simulation based reliability assessment method SBRA considering especially the durability assessment of steel structure [...]
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The contribution discusses possible approach for the formulation of fracture criteria for the general stress concentrators – especially a surface crack terminating at t [...]
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Puklický, L.
Steel-concrete composite columns are extensively used in modern buildings. Steel being of high tensile strength presents a high quality building material, concrete on the [...]
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Wang, J. J.
The preventive approach of cultural asset in Taiwan has long been focusing on single aspect. However, what cultural asset really needs is a comprehensive preventive appro [...]
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The Direct Determined Fully Probabilistic Method (DDFPM) was developed as an alternative to Monte Carlo simulation procedure in case of probabilistic reliability assessme [...]
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Králik, J.
This paper gives the results of the risk-based safety analysis of the nuclear power plants in Slovakia. The probabilistic assessment of NPP concrete containment and techn [...]
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The paper describes the mathematical model of the thermodynamic process connected with the replacement of two different gaseous contents in a storage pressure vessel. The [...]
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Křiváková, J.
The paper deals with the FEM modelling of the impact response of thin-walled cylindrical tank, which is partially or fully filled with water, to the transversal bump of t [...]
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Poživilová, A.
Hyperelastic material model based on the logarithmic description is implemented in the finite element code. Procedure for the calculation of all the necessary quantities [...]
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This paper presents the consideration on the change judgement of J integral and Q parameter as the base parameters of two-parameter elastic-plastic fracture mechanics. An [...]
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The paper deals with an old problem of praxis. Structures, in general, are exposed to random excitations, which generate normal and torsional stresses. While an estimatio [...]
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Paper focuses on possibilities of transient processes modelling at pressure pipe system of a non-nuclear part of a certain power plant and summarizes the results of relat [...]
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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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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 paper is focused on statistical inverse analysis of material model parameters, where statistical parameters of input parameters have to be identified based on experim [...]
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To the interpretation of crack growth, it is substantial to estimate the plastic region geometry in front of a crack. Performed here is a study for predicting crack growt [...]
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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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Pečínka, L.
Pipe break probabilities calculated in nuclear industry for purposes of PSA studies are based either on the in sights from the operating experience or on the fracture mec [...]
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The article gives the general view to the detection of defects (rather the cracks) of mechanical structures through initializing and receiving so-called Rayleigh waves, w [...]
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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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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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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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This paper is aimed at the problem of limit load carrying capacity of pipeline damaged by surface corrosion defects. Burst (limit) pressure is predicted using methodology [...]
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The subject of the paper is the probabilistic safety assessment of an unbraced steel frame containing leaning columns and exposed to several variable loads. Reliability a [...]
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Friction influence in analysis of a single degree of freedom oscillatory system (SDOF) is either neglected or accounted for by analytical methods, assuming steady state h [...]
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Specific feature of the nuclear power plants is in comparison with coal fired plants the break postulation of each high energy piping. Fluid system is considered as high- [...]
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The occurrence of deformation twins in the ductile-to-brittle transition (DBT) temperature region were observed under different testing conditions. Mechanical twinning c [...]
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The contribution deals with a complicated problem of fatigue damage of structure parts, which are loaded by a combination of random forces in tension-pressure and moments [...]
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Cyclic tests with the maximum force in a cycle Fmax = 5,5 kN and the cycle asymmetry ratio R = F min / F max = 0, 1 were carried out on fiat specimens of 5mm in thickness [...]
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Slender structures exposed to wind influences are subjected to a random component of the pressure generated by a fluctuation part of the wind velocity. The structure it [...]
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Paper is focused on comprehensive solution of probabilistic integrity assessment of pressure vessels. Engineering criteria was fully respected during solution, however fr [...]
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