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A computational platform to assess liquefaction-induced loss at critical infrastructures scale
Bulletin of Earthquake Engineering ( IF 4.6 ) Pub Date : 2021-01-06 , DOI: 10.1007/s10518-020-01021-9
A. Meslem , H. Iversen , K. Iranpour , D. Lang

In the framework of the multi-disciplinary LIQUEFACT project, funded under the European Commission’s Horizon 2020 program, the LIQUEFACT Reference Guide software has been developed, incorporating both data and methodologies collected and elaborated in the project’s various work packages. Specifically, this refers to liquefaction hazard maps, methodologies and results of liquefaction vulnerability analysis for both building typologies and critical infrastructures, liquefaction mitigation measures as well as cost-benefit considerations. The software is targeting a wider range of user groups with different levels of technical background as well as requirements (urban planners, facility managers, structural and geotechnical engineers, or risk modelers). In doing so, the LIQUEFACT software shall allow the user assessing the liquefaction-related risk as well as assisting them in liquefaction mitigation planning. Dependent on the user’s requirements, the LIQUEFACT software can be used to separately conduct the liquefaction hazard analysis, the risk analysis, and the mitigation analysis. At the stage of liquefaction hazard, the users can geo-locate their assets (buildings or infrastructures) against the pre-defined macrozonation and microzonation maps in the software and identify those assets/sites that are potentially susceptible to an earthquake-induced liquefaction damage hazard. For potentially susceptible sites the user is able to commission a detailed ground investigation (e.g. CPT, SPT or VS30 profile) and this data can be used by the software to customise the level of susceptibility to specific site conditions. The users can either use inbuilt earthquake scenarios or enter their own earthquake scenario data. In the Risk Analysis, the user can estimate the level of impact of the potential liquefaction threat on the asset and evaluate the performance. For the Mitigation Analysis, the user can develop a customized mitigation framework based on the outcome of the risk and cost-benefit analysis.



中文翻译:

在关键基础设施规模上评估液化引起的损失的计算平台

在由欧洲委员会的Horizo​​n 2020计划资助的多学科LIQUEFACT项目的框架中,已开发了LIQUEFACT参考指南软件,该软件将在项目的各个工作包中收集和阐述的数据和方法都纳入其中。具体而言,这指的是针对建筑物类型和关键基础设施的液化危害图,液化脆弱性分析的方法和结果,液化缓解措施以及成本效益方面的考虑。该软件面向具有不同水平的技术背景和要求(城市规划人员,设施经理,结构和岩土工程师或风险建模师)的广泛用户群。在这样做,LIQUEFACT软件应允许用户评估与液化有关的风险,并协助他们进行液化缓解计划。根据用户的要求,可以使用LIQUEFACT软件分别进行液化危害分析,风险分析和缓解分析。在液化危害阶段,用户可以根据软件中预定义的宏区和微区地图对他们的资产(建筑物或基础设施)进行地理定位,并识别可能易受地震引发的液化破坏危害的资产/场所。对于潜在易受伤害的站点,用户可以进行详细的地面调查(例如CPT,SPT或V LIQUEFACT软件可用于分别进行液化危害分析,风险分析和缓解分析。在液化危害阶段,用户可以根据软件中预定义的宏区和微区地图对他们的资产(建筑物或基础设施)进行地理定位,并识别可能易受地震引发的液化破坏危害的资产/场所。对于潜在易受影响的站点,用户可以进行详细的地面调查(例如CPT,SPT或V LIQUEFACT软件可用于分别进行液化危害分析,风险分析和缓解分析。在液化危害阶段,用户可以根据软件中预定义的宏区和微区地图对他们的资产(建筑物或基础设施)进行地理定位,并识别可能易受地震引发的液化破坏危害的资产/场所。对于潜在易受伤害的站点,用户可以进行详细的地面调查(例如CPT,SPT或V 用户可以根据软件中预定义的宏区和微区地图对他们的资产(建筑物或基础设施)进行地理定位,并识别可能易受地震引起的液化破坏危害的资产/场所。对于潜在易受伤害的站点,用户可以进行详细的地面调查(例如CPT,SPT或V 用户可以根据软件中预定义的宏区和微区地图对他们的资产(建筑物或基础设施)进行地理定位,并识别可能易受地震引起的液化破坏危害的资产/场所。对于潜在易受伤害的站点,用户可以进行详细的地面调查(例如CPT,SPT或VS30配置文件),软件可以使用此数据来自定义特定现场条件的敏感性水平。用户可以使用内置地震场景,也可以输入自己的地震场景数据。在风险分析中,用户可以估计潜在的液化威胁对资产的影响程度并评估性能。对于缓解分析,用户可以根据风险和成本效益分析的结果开发定制的缓解框架。

更新日期:2021-01-06
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