Πλοήγηση ανά Θέμα "Engineering, Geological"
Αποτελέσματα 1-20 από 36
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Analysis of fault rupture propagation through uniform soil cover
(2009)This paper presents results from numerical simulations of the propagation of an active dip-slip fault rupture through a uniform soil layer covering the rigid bedrock. Following verification of the numerical methodology ... -
Assessment of seismic design procedures based on the total cost
(2006)The assessment of seismic design codes has become the subject of intensive research work which revealed several weak points of the codes that originated from the limitations in predicting with acceptable precision the ... -
Behavior of a seismically isolated bridge crossing a fault rupture zone
(2014)The effect of the fault rupture zone traversing a seismically isolated bridge is investigated utilizing a finite element model of a section of the Bolu Viaduct and a set of synthetic broadband strong ground motions simulated ... -
Bounding surface plasticity model for the seismic liquefaction analysis of geostructures
(2010)This paper presents the constitutive relations and the simulative potential of a new plasticity model developed mainly for the seismic liquefaction analysis of geostructures. The model incorporates the framework of critical ... -
Bridge health monitoring system based on vibration measurements
(2009)A bridge health monitoring system is presented based on vibration measurements collected from a network of acceleration sensors. Sophisticated structural identification methods, combining information from the sensor network ... -
Design in shear of reinforced concrete short columns
(2013)This research was prompted by the paucity of specific code provisions regarding the design of short columns for shear. The purpose of this paper was to investigate whether the use of the normal shear design procedure of ... -
Effect of Cracking on the Response of Pile Test under Horizontal Loading
(2009)Capacity-based design of structures limits the soil-structure interaction mechanism to the determination of the bearing capacity of a pile group. However, in many cases the criterion for the design of piles to resist lateral ... -
Evaluation of ASCE-41, ATC-40 and N2 static pushover methods based on optimally designed buildings
(2011)Alternative static pushover methods for the seismic design of new structures are assessed with the aid of advanced computational tools. The current state-of-practice static pushover methods as suggested in the provisions ... -
Explicit extension of the p-y method to pile groups in sandy soils
(2014)The method of "p-y" curves has been extensively used, in conjunction with simplified numerical methods, for the design and response evaluation of single piles. However, a straightforward application of the method to assess ... -
Explicit integration of bounding surface model for the analysis of earthquake soil liquefaction
(2010)This paper presents a new plasticity model developed for the simulation of monotonic and cyclic loading of non-cohesive soils and its implementation to the commercial finite-difference code FLAC, using its User-Defined-Model ... -
Fast performance uncertainty estimation via pushover and approximate IDA
(2010)Approximate methods based on the static pushover are introduced to estimate the seismic performance uncertainty of structures having non-deterministic modeling parameters. At their basis lies the use of static pushover ... -
Finite element analysis of buried steel pipelines under strike-slip fault displacements
(2010)The present paper investigates the mechanical behavior of buried steel pipelines, crossing an active strike-slip tectonic fault The fault is normal to the pipeline direction and moves in the horizontal direction, causing ... -
Insight into seismic earth and water pressures against caisson quay walls
(2008)Motivated by the need to explain the large displacement and rotation that numerous caisson-type quay walls suffered in the port of Kobe during the devastating 1995 earthquake, a detailed numerical analysis is presented for ... -
Life-cycle cost analysis of design practices for RC framed structures
(2007)The objective of this study is to perform life-cycle cost analysis on three design practices namely weak ground storey, short and floating columns and their combinations. Life-cycle cost analysis is recognized as the only ... -
Longitudinal vibrations of tall concrete faced rockfill dams in narrow canyons
(2012)Longitudinal vibrations of concrete-faced rockfill dams may cause significant compressive stresses and joint openings in the slab panels. The behavior of such dams subjected to longitudinal and vertical vibrations is ... -
Mechanical behavior of buried steel pipes crossing active strike-slip faults
(2012)The present paper addresses the mechanical behavior of buried steel pipes crossing active strike-slip tectonic faults. The pipeline is assumed to cross the vertical fault plane at angles ranging between zero and 45 degrees. ... -
Methodology for estimating seismic coefficients for performance-based design of earthdams and tall embankments
(2014)Following an overview of pertinent literature, this paper presents a new methodology for estimating seismic coefficients for the performance-based design of earth dams and tall embankments. The methodology is based on ... -
Multi-objective framework for structural model identification
(2005)Structural identification based on measured dynamic data is formulated in a multi-objective context that allows the simultaneous minimization of the various objectives related to the fit between measured and model predicted ... -
Nonlinear dynamic analysis of multi-base seismically isolated structures with uplift potential I: formulation
(2009)The complexity of modern seismically isolated structures requires the analysis of the structural system and the isolation system in its entirety and the ability to capture potential discontinuous phenomena such as isolator ...