Πλοήγηση ανά Θέμα "Engineering geology"
Αποτελέσματα 1-20 από 22
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Assessment of ssi effects on a seismically isolated multi-span bridge under bi-directional seismic excitation
(2010)Elevated highway bridges are important elements in modern society infrastructure. Due to their strategic importance, loss of functionality in an earthquake is not an acceptable performance criterion. Observed performance ... -
Bayesian damage characterization based on probabilistic model of scattering coefficients and hybrid wave finite element model scheme
(2019)Ultrasonic Guided Wave(GW) has been proven to be sensitive to small damage. Motivated by the fact that the quantitative relationship between wave scattering and damage intensity can be described by scattering properties, ... -
Cellular-solid shear walls under seismic excitations
(2010)Cellular solids with deterministic periodic topologies show great potential for applications as response modification elements within structural systems, due to their ultra-light and good thermal properties. Response ... -
Design and assessment of steel and steel-concrete composite structures: Efficacy of EN1998 design procedure
(2013)Design codes for seismic constructions allow the realization of structures able to dissipate energy through cyclic plastic deformations localized in specific zones, selected to involve the largest number of structural ... -
Effects of spatial variability of soil properties and ground motion characteristics on permanent displacements of slopes
(2022)The seismic performance of earth slopes is a problem of great importance in geotechnical earthquake engineering associated with various sources of uncertainty. This research investigates the effects of two important causes ... -
Efficient numerical modeling of liquefaction-induced deformations of soil structures
(2008)A new numerical methodology is presented for the simulation of the non cohesive soil response under small, medium and large cyclic shear strains, with special interest given to liquefaction phenomena. The new methodology ... -
Experimental and numerical study of the behaviour of high dissipation metallic devices for the strengthening of existing structures
(2011)The use of steel bracing systems for the strengthening of existing reinforced concrete (RC) frames may lead to increase of both strength and stiffness. However, in most of the cases the main target is the increase of the ... -
Failure mechanisms of landfills under dynamic loading
(2008)Seismic stability of above-ground landfills is an issue of extreme engineering interest, and the proper implementation of the corresponding analyses requires dealing with several uncertainties related mainly to the special ... -
Finite element analysis of buried steel pipelines under strike-slip fault displacements
(2011)The present paper investigates the mechanical behavior of buried steel pipelines, crossing active strike-slip tectonic faults. The fault plane is vertical and crosses the pipeline axis at a certain angle. The interacting ... -
Finite element model validation and predictions using dynamic reduction techniques
(2011)Finite element (FE) model updating and validation techniques are formulated as single and multi-objective optimization problems. A multi-objective optimization framework results in multiple Pareto optimal models that are ... -
FUll-scale shake table experiments and vibration tests for assessing the effectiveness of textile materials for retrofitting masonry buildings
(2011)Full-scale shake table seismic experiments and low amplitude vibration tests on a masonry building are carried out to assess its seismic performance as well as study the effectiveness of a new textile material for retrofitting ... -
Influence of surface topography on corrosion of stainless steel AISI 304 turned surfaces with different cutting conditions
(2007)In this study, the correlation between corrosion behaviour and formations, and topographic characteristics of machined surfaces of stainless steel AISI 304 is investigated. Face turning was performed for combinations of ... -
Investigation of the impact of seismic zone to the cost of construction of a 5-storey R/C building
(2021)Residing in a country like Greece, where the earthquake is a common phenomenon in most of its areas, the need for constructing earthquake resistant buildings that will provide security and functionality to their residents ... -
Joint estimation of states and input in linear structural dynamics
(2011)The problem of jointly estimating the input forces and states of a structure from a limited number of acceleration measurements is addressed. Utilizing a model-based joint input-state estimation algorithm originally developed ... -
On the seismic behaviour and design of liquid storage tanks
(2011)The paper examines some special issues on the structural behaviour of upright-cylindrical liquid storage tanks, which are widely used in industrial facilities and for water storage. Two main design standards are considered: ... -
Railway-induced ground vibrations in the presence of local track irregularities and wheel flats
(2015)Rapid growth in railway infrastructure has led to numerous environmental technical challenges. This includes ground-borne vibration, which is becoming an increasing problem, particularly in urban environments. A common ... -
Seismic analysis and design of industrial pressure vessels
(2011)The present paper focuses on the seismic analysis and design of horizontal-cylindrical and vertical-cylindrical pressure vessels. First, a comparison of the seismic provisions in ASME B&PV code and in EN 13445-3 is conducted ... -
Seismic strength evaluation of reinforced concrete shear walls with cracks, using the notion of fractal geometry
(2011)Shear walls play an important role to the seismic strength of modern seismic resistant structures. They are designed so that they have significant bending and shear strengths and ductility. However, existing structures ... -
Simulation of industrial elbow response under strong cyclic loading
(2011)Elbow components are widely used in industrial facilities as parts of piping/tubing systems. Their performance under severe loading conditions may be critical for the structural integrity of an industrial facility In the ... -
Study of the influence of seismic action on the construction cost of the load-bearing structure of a ten-storey R/C building
(2021)Greece is divided into three seismic hazard zones ZI, ZII, ZIII. In the present research work, the same building in the three seismic zones of Greece is modeled, analysed and dimensioned and then the construction cost of ...