Tarptautinės konferencijos / International Conferences: Recent submissions
Now showing items 161-180 of 2354
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Theoretical model and experimental tests on chloride diffusion and migration processes in concrete
(Procedia Engineering, 2013)This paper focuses on the effect of the electric field on the thermodynamic model of ion flows in the concrete pore solution. The equation for ion migrations was derived from the mass balance in the multi-component system ... -
Experimental tests and numerical models of double side non-welded T RHS truss joints
(Procedia Engineering, 2013)Research on simple laser made T RHS joints is presented. Experimental evidence of such joint behaviour tested in natural scale is described. Geometry and material properties of tested connections are given. For each ... -
Construction aspects of plasma based technology for waste of electrical and electronic equipment (WEEE) management in urban areas
(Procedia Engineering, 2013)The paper presents construction aspects of plasma based technology for waste of electrical and electronic equipment (WEEE) management in urban areas. Urban areas are becoming the new source of “renewable resources” to be ... -
Sterilization of biotic pests by microwave radiation
(Procedia Engineering, 2013)Some of the issues connected to timber structures are caused by wood-destroying insects. The sterilization of timber elements affected by wood-destroying insects with the help of microwaves removes the deficiencies of ... -
Analysis of geometrical and mechanical properties of cable-stayed bridge
(Procedia Engineering, 2013)A mathematical model for analysing the interaction between elements of cable-stayed bridge is proposed. The influence of geometrical, mechanical and physical parameters of cables, pylons and stiffening girder on the ... -
Determination of the influence of cylindrical samples dimensions on the evaluation of concrete and wall mortar strength using ultrasound method
(Procedia Engineering, 2013)When height of retaining walls is small it is rational to install gravity retaining walls. The jet grouting technology often is used installing piles in the sand. Pile diameter can be varied from 0.50 to 1.20 m using ... -
Evaluation of gravity retaining walls from jet grouting piles installed in sands
(Procedia Engineering, 2013)When height of retaining walls is small it is rational to install gravity retaining walls. The jet grouting technology often is used installing piles in the sand. Pile diameter can be varied from 0.50 to 1.20 m using ... -
Optimal design of GFRP-plywood variable stiffness plate
(Procedia Engineering, 2013)The new optimization methods of outer layer fibre directions and concentrations of plywood plate with glass fibre-epoxy outer layers are proposed. The first method minimizes structural compliance. It consists of two phases. ... -
Sand shearing peculiarities using direct shear device
(Procedia Engineering, 2013)An experimental investigation of the shearing conditions and their influence to the strength properties of Klaipėda sand by the universal shear device is presented. The shear tests for the loose and dense soils were ... -
The cement type effect on freeze – thaw and deicing salt resistance of concrete
(Procedia Engineering, 2013)This paper analyzes the effect of the four types of cement (Portland cement, blast-furnace Portland cement, limestone Portland cement and blast-furnace cement) on freeze-thaw and deicing salt resistance of concrete. Eight ... -
Effects of water jet on heat-affected concretes
(Procedia Engineering, 2013)The paper is dealing with the effects of flat high-speed water jet on concretes affected by high temperature. Research should help to correct use of water jet technology in repair works on concrete structures especially ... -
Geotechnical aspects of dike construction using soil-ash composites
(Procedia Engineering, 2013)An analysis of using of anthropogenic materials, mainly ashes from Coal Combustion Products (CCP), for dike construction is shown. Perspectives of anthropogenic materials application in geotechnical engineering and their ... -
Binders based on natural anhydrite and modified by finely-dispersed galvanic and petrochemical waste
(Procedia Engineering, 2013)In the present paper the experimental research dedicated to derivation of anhydrite binders with improved physical and mechanical properties. The positive influence of dispersed additives to technological properties of ... -
Influence of Sol-Gel nanosilica on hardening processes and physically-mechanical properties of cement paste
(Procedia Engineering, 2013)Active pozzolacic admixtures, such as silica fume (SF) and metakaolin, are used in modern concrete technology to obtain high performance properties. Nano-scale pozzolans helps to achieve more dense microstructural packing ... -
Effect of pozzolanic additives on structure and chemical durability of concrete
(Procedia Engineering, 2013)This study investigates relationships between concrete containing pozzolanic additive and mineralogical composition, porosity and chemical durability to sulphate ion containing solution. As pozzolanic admixtures micro and ... -
Long-term laminated glass four point bending test with PVB, EVA and SG interlayers at different temperatures
(Procedia Engineering, 2013)This paper presents the results of long term experiments of four point bending test with structural laminated glass plates. For experiments 6 mm thick annealed Soda-Lime-Silica Glass and three different interlayer laminates ... -
Neural prediction of the pull-off adhesion of the concrete layers in floors on the basis of nondestructive tests
(Procedia Engineering, 2013)This paper presents the application of artificial neural networks to the identification of the pull-off adhesion of the concrete layers in floors on the basis of parameters evaluated on the structural layer surface by the ... -
Influence of boundary conditions on the thermal response of selected steel members
(Procedia Engineering, 2013)In the paper the influence of boundary conditions on the thermal response of selected steel members subjected to fire loads is investigated. Simply supported and restrained steel beams subjected to uniformly distributed ... -
Classes of cross-sections of steel structural elements in the fire situation
(Procedia Engineering, 2013)In the paper the analysis of the influence of fire load on class of cross-section of steel structural elements is presented. In the fire situation some cross-sections may have a different class than at room temperature. ... -
Estimating the remaining operating time of mining headframe with consideration of its current technical condition
(Procedia Engineering, 2013)The condition of headframes in underground mines has a substantial effect on the proper operation and safety of hoisting equipment. One of the potential problems that might occur during operation is the tilting of these ...