Modern Building Materials, Structures and Techniques (MBMST): Recent submissions
Dabar rodomi įrašai 241-260 iš 450
-
Effect of pozzolanic additives on the strength development of high performance concrete
(Procedia Engineering, 2017)The aim of this research is to estimate the effect of pozzolanic substitutes on the temperature generated by the hydration and on the final strength of concrete. Differential thermal analyses (DTA) were conducted. Ternary ... -
Non-destructive evaluation of the bond between a concrete added repair layer with variable thickness and a substrate layer using ANN
(Procedia Engineering, 2017)The paper concerns the evaluation of the bond between a concrete added repair layer with variable thickness and a substrate layer, based on parameters assessed using non-destructive methods and also neural networks (ANN). ... -
Adhesive bonding in steel construction - challenge and innovation
(Procedia Engineering, 2017)Despite much advancement of typical joining techniques in steel construction, fundamental problems, like residual stresses for welds as well as weakening of the cross section for bolts and screws, still remain. The ... -
The numerical analysis of the effective flange width in T-section reinforced concrete beams
(Procedia Engineering, 2017)The problem of determining the effective flange width for reinforced concrete T-sections subjected to bending was presented in the paper. The numerical analysis was performed in order to define an influence of parameters ... -
Diagonal versus orthogonal ribs in stability of steel I beams
(Procedia Engineering, 2017)The paper presents the numerical study of the stability of steel beams for various slenderness ratios of the web and various types of stiffening ribs. FEM analyses employing fine meshes of shell elements are conducted. ... -
Production of high-performance concrete by addition of fly ash microsphere and condensed silica fume
(Procedia Engineering, 2017)With reference to the packing model of concrete materials, addition of fly ash microspheres (FAM) to fill the voids between cement grains, followed by addition of condensed silica fume (CSF) to further fill the voids ... -
Methodology of sample selection for study of limestone decarbonation
(Procedia Engineering, 2017)Depending on nature of calcination process, we expect to get lime with specific features, for example fast or slow reactivity, certain grain size or lime that provides hydrated lime with high specific surface area. However, ... -
Compressive strength of cement mortar affected by sand microfiller obtained with collision milling in disintegrator
(Procedia Engineering, 2017)The cement and concrete industries are continuously searching for new effective micro-fillers which could be obtained with relatively low cost, are wide spread and which improves most important concrete properties – ... -
Component method in the strength evaluation of cold-formed steel joints
(Procedia Engineering, 2017)Nowadays, there is a growing tendency in the use of cold formed constructions, which may be explained by good strength to cost ratio. Thus, the goal of this paper is to investigate the strength of cold-formed steel ... -
Fatigue life comparison of recycled cold mixes with foamed bitumen and with bitumen emulsion
(Procedia Engineering, 2017)The paper presents the results from the fatigue tests of recycled bases containing foamed bitumen and bitumen emulsion. The amount of bitumen used in both cases was 3% and 5%. For the production of the bitumen emulsion ... -
The influence of natural and nano-additives on early strength of cement mortars
(Procedia Engineering, 2017)The study attempts to evaluate the impact of six different additives, including natural additives and nano-additives, on the early - one day strength of cement mortars. Furthermore the use of heating process to increase ... -
The usage of smart materials for skin-diagnostics of building structures while their monitoring
(Procedia Engineering, 2017)This study investigates the usage of smart materials for skin-diagnostics with the view of monitoring of building structures parameters characterizing their mode of deformation. The method is based on changes in electrical ... -
Freeze - thaw resistance and increased strength of cohesive soils modified with a cationic surfactant
(Procedia Engineering, 2017)The problem of adequate load carrying capacity of the base coarse layer of road surfaces or load-bearing layer of industrial floors or building foundations arises during the realization of every investment undertaking. The ... -
Behavior of anchorage areas in the steel-concrete composite structure loaded by longitudinal shear forces
(Procedia Engineering, 2017)The paper presents experimental study of load-deflection behavior of anchorage areas in the steel-concrete composite structure under extreme longitudinal shear load. Such a situation has to be considered for example in ... -
Material and structural destruction of concrete elements in the industrial environment
(Procedia Engineering, 2017)A brief review of selected models which are currently used to describe the service life of structural systems, especially made of concrete is presented, taking into account influences and processes that cause material ... -
Semi-rigid behavior of joints in wood light-frame structures
(Procedia Engineering, 2017)The problem of behavior of the joint in wood light-frame structures were discussed in the paper. Two types of joint flexibility and their impact on the behavior of the structure were discussed. The results of the experimental ... -
The multicriteria assessment of multi-storey office building energy performance
(Procedia Engineering, 2017)Global trends indicate that the industrial development of countries requires increasingly larger energy resources. Energy resources that are most wildly used in industry are non-renewable natural resources. Therefore, the ... -
Analytical modelling of combined slip and sliding modes in contact interaction of two spherical grains
(Procedia Engineering, 2017)The analytical modelling of coupled slip and sliding contact response of two elastic spheres is presented for the kinematically imposed sphere centre relative motion trajectories. One sphere is assumed as a fixed, the other ... -
Structural analysis of GFRP truss bridge model
(Procedia Engineering, 2017)Experimental investigation of structural behavior of glass fiber reinforced polymer (GFRP) space truss bridge model subjected to static loading is discussed in this paper. Bridge prototype was assembled using GFRP profiles ... -
Serviceability and shear response of RC beams prestressed with a various types of FRP bars
(Procedia Engineering, 2017)The present study focuses on crack width prediction and shear response analysis of prestressed concrete (PC) beams with certain type of fiber-reinforced polymers (FRP) to be used. Recommendations are introduced taking into ...