نتایج جستجو برای: seismic vulnerability
تعداد نتایج: 78598 فیلتر نتایج به سال:
Abstract This paper aims to perform an overview of the general situation related Bucharest vulnerability in seismic context. Brief literature review on subject is performed, together with emphasizing success factors for improving resilience other countries. The presenting Bucharest, proposing short- and long-term measures introduction CRO concept local administration.
The safety of underground structure under seismic load is an important basis the normal operation rail transit system. Structural vulnerability assessment based on incremental dynamic analysis method can evaluate probability exceeding a certain limit state specific intensity in terms probability. In this paper, multi-storey subway station evaluated using method, and two-dimensional finite eleme...
Long and large tunnel structures are one of the main lifeline projects, their seismic damage should be given great attention. In order to understand performance tunnels other underground structures, this paper introduces origin development theory input methods long definition vulnerability, summarizes key factors vulnerability research, including site conditions, earthquake types, structural un...
ABSTRACT: The absence of explicit guidelines for the rehabilitation of existing pole structures was the motivation to investigate the effectiveness of steel jacketing for the retrofitting of self-supporting steel and reinforced concrete telecommunication poles. The present study describes a numerical simulation of preand post-retrofitted conditions of the pole structures subjected to seismic ha...
This paper presents an acceleration parameter study of the 1999 Athens earthquake, and it discusses the capabilities of various acceleration parameters to describe the seismic damage potential. In addition, the destructive consequences of the earthquake are exemplarily displayed by several structural failures. The analysis results have shown that the seismic parameters of the Athens earthquake ...
The basic function of a gas distribution system, essentially composed of buried pipelines, reduction stations, and demand nodes, is to deliver gas from sources to end users. The objective of the article is to discuss the evaluation of seismic risk of gas networks in compliance with the performance-based earthquake engineering framework adapted to spatially distributed systems. In particular, th...
According to the features and demands of earthquake rescue on-site, automatic modelling and scene generation methods based on fundamental geographic data were investigated, and an earthquake scene model was proposed considering both effect of local site conditions on ground motion and vulnerability of different buildings. Based on ArcGIS Engine, the system in which the scene of pre-earthquake a...
A hierarchical family of Damage Probability Matrices (DPM) has been derived in this paper from the ones implicitly contained in the EMS-98 Macroseismic Scale for 6 vulnerability classes. To this aim the linguistic definitions provided by the scale, and the associated fuzzy sub-sets of the percentage of buildings, have been completed according to reliable hypotheses. A parametric representation ...
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