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Earthquake risk assessment methods of unreinforced masonry structures: Hazard and vulnerability

机译:非钢筋砌体结构的地震风险评估方法:危害和脆弱性

摘要

Seismic risk management of the built environment is integrated by two main stages, the assessment and the remedial measures to attain its reduction, representing both stages a complex task. The seismic risk of a certain structure located in a seismic zone is determined by the conjunct of the seismic hazard and its structural vulnerability. The hazard level mainly depends on the proximity of the site to a seismic source. On the other hand, the ground shaking depends on the seismic source, geology and topography of the site, but definitely on the inherent earthquake characteristics. Seismic hazard characterization of a site under study is suggested to be estimated by a combination of studies with the history of earthquakes. In this Paper, the most important methods of seismic vulnerability evaluation of buildings and their application are described. The selection of the most suitable method depends on different factors such as number of buildings, importance, available data and aim of the study. These approaches are classified in empirical, analytical, experimental and hybrid. For obtaining more reliable results, it is recommends applying a hybrid approach, which consists of a combination between methods depending on the case. Finally, a recommended approach depending on the building importance and aim of the study is described.
机译:建筑环境的地震风险管理分为两个主要阶段,即评估和补救措施,以实现降低污染的目的,这两个阶段都代表着一项复杂的任务。位于地震带中的某个结构的地震风险取决于地震危险及其结构脆弱性的共同点。危害程度主要取决于场地与地震源的接近程度。另一方面,地震动取决于场地的地震源,地质和地形,但绝对取决于固有的地震特征。建议将研究与地震历史相结合来估计正在研究的地点的地震灾害特征。本文介绍了建筑物抗震性评估的最重要方法及其应用。选择最合适的方法取决于不同的因素,例如建筑物数量,重要性,可用数据和研究目的。这些方法分为经验,分析,实验和混合。为了获得更可靠的结果,建议使用混合方法,根据情况将方法结合起来。最后,根据建筑物的重要性和研究目的,介绍了一种推荐的方法。

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