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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 geolocate 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 V S30 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.

LIQUEFACT Reference Guide (LRG) software is one of the main products of the LIQUEFACT, a multidisciplinary project funded under the European Commission's Horizon 2020 framework program. The software, which incorporates both data and methodologies collected and elaborated in the project's various work packages, has been developed for liquefaction mitigation planning and decision support, able to estimate and predict the likely consequences of Earthquake-Induced Liquefaction Disaster (EILD) to the most vulnerable region of Europe. In contrast to other seismic risk assessment software tools, the LRG software is targeting a wider range of user groups with different levels of technical background (urban planners, facility managers, structural and geotechnical engineers, or seismic risk modelers) as well as requirements. In doing so, the LRG software toolbox shall allow users assessing the liquefaction-related risk as well as assisting them in liquefaction mitigation planning.

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