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The Public Works Research Institute has initiated a collaborative research project with the goal of developing a guideline for effective use of supplementary cementing ma [...]
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This paper examines the influence of reinforcement steel elemental composition and surface condition (polished and unpolished) on the corrosion rate of reinforced concret [...]
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Cracking behavior of lime mortar renders subjected to shrinkage is numerically investigated by the finite element method (FEM). The render materials selected for the stud [...]
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The first author of the project is the engineering director of a Temple reconstruction project in Turkey. In attempt to produce mortar similar in composition to that foun [...]
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Procházka, P.
Certain numerical methods are direct impact of classical variational principles. The finite element method is a typical example of such approaches. Some problems, particu [...]
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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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In the paper temperature distribution in foundation structure is analyzed for different temperature regime of environment. Temperature distribution is analyzed numericall [...]
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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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In order to promote the use of recycled aggregate and take measure to the heat island effect, porous pervious concrete is the useful materials. We evaluated the cooling e [...]
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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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A Danish innovation consortium is preparing a set of guidelines on the mix design and execution of steel fiber reinforced self-compacting concrete (SFRSCC). The guideline [...]
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The properties of concrete with high amount of the mineral admixtures with a few carbon footprint other than cement were showed. The experiment examines the influence tha [...]
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Limited sources of material and energy rapidly affected a demand for lightweight, efficient and low cost structures, what secondly influenced the developing of new design [...]
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Salt damage is one of the major causes of render decay, not only near the sea but also in continental areas. These salts can appear in the walls from different sources: f [...]
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The paper deals with determination of surface roughness influence on spray cooling intensity. The questions of the surface quality on the heat transfer and the Leidenfros [...]
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Under the assumptions of linear elastic fracture mechanics the behaviour of cracks and general singular stress concentrators is studied and compared. The stress distribu [...]
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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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In this study, optimum combinations of the replacement ratios of fly ash (FA) and ground granulated blast-furnace slag (BS) with cement were examined from the aspect of p [...]
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Abstrakt: EUCOR, a corundo-badelleyit material, which is not only resistant to wear but also to extremely high temperatures, is seldom discussed in literature. The solidi [...]
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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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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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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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In this paper, effect of cement type and expansive additive content on resistance to both drying shrinkage cracking and thermal cracking of concrete using fly ash and gro [...]
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This paper presents the results of 2 RC rectangular slab (span of 2,65 m, 0,20 m thick) column (0,40×0,40 m) connections. The bottom slab reinforcement over the column c [...]
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Fracture behaviour of concrete is studied using two-phase material model. Propagation of a single macrocrack in hardened cement paste (matrix) and aggregate (particle) is [...]
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Corrosion of reinforcing steel in concrete is one of the most influencing factors causing the degradation of reinforced concrete structures, conducting to concrete crack [...]
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This paper describes the nonlinear analysis of the reinforced concrete wall of the bubbler tower (BT) due to extreme pressure and temperature loading. The behaviour of th [...]
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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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This paper reports the effect of bacterial calcium carbonate precipitation on sorption of engineered cementitious composites (ECC), a high performance fiber-reinforced ce [...]
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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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It is well established that most construction materials behave differently under static and dynamic loading. The stress-rate sensitivity of concrete, steel and rock has b [...]
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The modelling of reinforced concrete slabs is a topic of this paper. The main attention is paid to the cracks propagation, the increase and localization of the damage and [...]
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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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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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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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40.
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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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41.
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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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42.
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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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43.
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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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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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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 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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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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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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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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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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