class='kwd-title'>Method name: Seismic Vulnerabi'/> Development of seismic vulnerability index methodology for reinforced concrete buildings based on nonlinear parametric analyses
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Development of seismic vulnerability index methodology for reinforced concrete buildings based on nonlinear parametric analyses

机译：基于非线性参数分析的钢筋混凝土建筑地震易损性指标方法开发

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class="kwd-title">Method name: Seismic Vulnerability Index using NL analytical approach class="kwd-title">Keywords: Seismic vulnerability index, Vulnerability curve, Parametric modeling, Damage grade/state, Nonlinear analysis, Engineering demand parameter class="head no_bottom_margin" id="abs0010title">AbstractThis paper presents a simplified method in the seismic vulnerability assessment of reinforced concrete (RC) buildings based on proposed seismic vulnerability index (SVI) methodology. The employed procedure is derived with some modifications from the Italian GNDT and the European Macro-seismic approaches. Eight parameters were modeled in three distinct vulnerability classes to estimate the vulnerability indices of RC structures. The vulnerability classes were categorized based on the earthquake resistant design (ERD) defined as; (Low, Moderate, and High)-ERDs. Nonlinear time history analysis (NL-THA) and nonlinear static analysis (NL-SA) were carried out to define the weight of each parameter in order to calculate the seismic vulnerability index in a specific intensity (PGA) of an earthquake event. Knowing that it ranges from 0 to 1 from less vulnerable to most vulnerable with respect to the seismic intensity. In addition, the engineering demand parameter (EDP) used to determine the vulnerability index as the maximum top displacement of the structure. After determining the (SVI), The mean damage states were developed to evaluate the estimated physical damage of buildings in distinct seismic intensities. class="first-line-outdent" id="lis0005">
  • • This simplified methodology helps to manage and implements strategies for the safety of the communities before earthquake takes place by investigating the vulnerability classes for each building type.
  • • Modeling the parameters that have an influence on the structural behavior without considering the past-damages observations through an analytical approach.
  • • Developing the seismic vulnerability index can reduce or limit the role of the rapid visual screening methods, which is based on expert opinion decisions, and depends on observations of damages caused by earthquakes, and can be a useful framework criterion in earthquake filed.
    • 机译：<！-fig ft0-> <！-fig @ position =“ anchor” mode =文章f4-> <！-fig mode =“ anchred” f5-> <！-fig / graphic | fig / alternatives / graphic mode =“ anchored” m1-> class =“ kwd-title”>方法名称：使用NL分析方法的地震脆弱性指数 class =“ kwd-title”>关键字：< / strong>地震脆弱性指数，脆弱性曲线，参数化建模，损伤等级/状态，非线性分析，工程需求参数 class =“ head no_bottom_margin” id =“ abs0010title”>摘要本文提出了一种简化的方法基于提议的地震易损性指数（SVI）方法的钢筋混凝土（RC）建筑的地震易损性评估。所采用的程序是对意大利GNDT和欧洲宏观地震方法进行一些修改后得出的。在三个不同的脆弱性类别中建模了八个参数，以估计RC结构的脆弱性指标。漏洞类别是根据定义为的抗震设计（ERD）进行分类的； （低，中和高）-ERD。进行了非线性时程分析（NL-THA）和非线性静态分析（NL-SA）来定义每个参数的权重，以便在地震事件的特定强度（PGA）中计算地震脆弱性指数。知道它在0到1的范围内，相对于地震强度，从较弱到最弱。此外，工程需求参数（EDP）用于将脆弱性指数确定为结构的最大顶部位移。确定（SVI）后，开发平均破坏状态，以评估在不同地震烈度下建筑物的估计物理破坏。 class =“ first-line-outdent” id =“ lis0005”> <！-列表行为= simple prefix-word = mark-type = none max-label-size = 9->
  • •这种简化的方法有助于在发生地震之前管理和实施社区安全战略。研究每种建筑物类型的漏洞类别。
  • •通过分析方法对对结构行为有影响的参数进行建模，而无需考虑过去的损坏观测结果。 < li id =“ lsti0015”>•建立地震脆弱性指数可以减少或限制快速视觉筛查方法的作用，该方法基于专家的意见决定，并取决于对地震造成的破坏的观察，并且可能是有用的框架地震准则。

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