نتایج جستجو برای: seismic assessment
تعداد نتایج: 595130 فیلتر نتایج به سال:
References l.html#ref-list-1 http://rsta.royalsocietypublishing.org/content/364/1845/1965.ful This article cites 25 articles, 5 of which can be accessed free Rapid response 1845/1965 http://rsta.royalsocietypublishing.org/letters/submit/roypta;364/ Respond to this article Email alerting service here in the box at the top right-hand corner of the article or click Receive free email alerts when n...
The catastrophic nature of seismic risk is attributed to spatiotemporal correlation of seismic losses of buildings and infrastructure. For seismic risk management, such correlated seismic effects must be adequately taken into account, since they affect the probability distribution of aggregate seismic losses of spatially distributed structures significantly, and its upper tail behavior can be o...
Japan is in a seismically active area and experiences many damaging earthquakes with loss of life. In 1995, the Hyogoken-Nanbu earthquake caused major destruction in Kobe City and in 2011 the Great Eastern Japan earthquake and tsunami caused major destruction in the Pacific coast areas of northeastern Japan. Additionally, recent relatively less destructive earthquakes include the 2003 Tokachi-O...
In this paper, a seismic vulnerability assessment at large scale is described, within the SIMURAI project. A field survey was carried out in order to gather detailed information about geometric characteristics, structural typology and age of construction of each single building. An airborne Remote Sensing (RS) mission was also carried out over the municipality of Avellino, providing a detailed ...
Abstract—Past earthquakes have shown that seismic events may incur large economic losses in buildings. FEMA P-58 provides engineers a practical tool for the performance seismic assessment of buildings. In this study, FEMA P-58 is applied to two typical Italian pre-1970 reinforced concrete frame buildings, characterized by plain rebars as steel reinforcement and masonry infills and partitions. G...
The recent advances in geo-informatics have been opening new opportunities in earthquake early warning and emergency management issues. In the last years, the geo-scientific community has recognized the added value of a geo-analytic approach in complex decision making processes for critical situations due to disastrous natural events such as earthquakes. In fact, recently, GIS-based solutions a...
This study focuses on developing fragility-based seismic vulnerability assessment techniques for seismically retrofitted multi-column bridge bent. Fragility curves are developed using Probabilistic Seismic Demand Model (PSDM) to assess the relative performance of different retrofit methods under near fault ground motions. Two different retrofit techniques namely CFRP jacketing and ECC jacketing...
یکی از روش های ارزیابی لرزه ای پل ها استفاده از منحنی های شکنندگی تجربی است. از اطلاعات خسارت موجود برای برقراری رابطه بین حالت حدی خسارت و مؤلفه های حرکت زمین استفاده می شود. از آنجا که ویژگی های هیچ کدام از حرکت ورودی و مصالح سازه ای نمی توانند به طور قطع بیان شوند، مطالعات آسیب پذیری احتمالاتی با استفاده از روابطی که احتمال خسارت را به صورت تابعی از متغیرهای اتفاقی حرکت زمین و خصوصیات مصالح ...
The distribution of inter-occurrence time between seismic events is a quantity of great interest in seismic risk assessment. We evaluate this distribution for different models of earthquakes occurrence and follow two distinct approaches: The non homogeneous Poissonian and the non Poissonian one. In all cases we obtain either a power law or a power law damped by an exponential factor behaviour. ...
Recent experimental research has shown that ordinary unbounded steel reinforced elastomeric bearings (SREBs) can be considered as an attractive cost-effective option for the seismic isolation of highway bridges. To further investigate its benefits, the current study is focused on the seismic risk assessment of an optimally designed highway bridge isolated by SREB system. A typical three-span hi...
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