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Generation of risk maps and structural stability model assessment are fundamental to prevent earthquake damage on Cultural Heritage. Earthquake simulation with different intensities will be used to assess the assessment regarding expected damage on monuments and city center.

Keyword: Cultural Heritage, European project, Historical Centers

The STABLE (STructural stABiLity risk assEssment) project attempts to address seismic risk maps on Cultural Heritage (CH) at medium scale and introduce a new strategy, by selecting the most efficient methods and tools for data harmonization as well as criteria and indicators for tracking of impact of environmental changes on tangible cultural heritage assets.

To achieve this goal, it is necessary to design and develop an IT service platform, that combine advanced satellite technologies with existing ground-based data and risk forecasting modelling. This enables a continuous long-term monitoring and update of structural stability of the architectural heritage and the historical centers, affected by geo-hazards.

The generation of Earthquake scenarios is also a must, in the form of spectrum compatible artificial and/or semi-artificial records representative of the seismic hazard at selected areas of critical distance. The results are provided in the form of a database with time-history records of ground acceleration, velocity and displacement for each earthquake scenario considered. Objectives consist in the following tasks:

  • Estimation of earthquake hazard based on models
  • Development of earthquake scenarios in the form of artificial ground acceleration records compatible with different earthquake hazard levels.

All the activities and the processes described above, produce huge mass of data because they are based on the probabilistic methodology (PSHA) for the calculation of the seismic hazard, as well as the deterministic methodology (DSHA) for the calculation of synthetic accelerograms from specific earthquake scenarios.  

The application of this methodologies will be tested in three case studies, located in different countries of the Mediterranean: Nafplio in Greece, Strovolos in Cyprus and Rieti in Italy.

At the end all the data will be distributed through a web open platform for access from anyone interested.

Article by: Matteo Serpetti

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A new instrument to create risk maps of Cultural Heritage at medium scale, to derive similar damage maps but before the event occurs addressing damage forecast for seismic movements impacting on the structural stability of the Cultural Heritage.

Keyword: Cultural Heritage, Historical centres, Structural stability

The STABLE (STructural stABiLity risk assEssment – H2020-MSCA-RISE-2018 – No: 823966) intention is to define a instrument that allow to host and further analyze and integrate all preprocessed data and results developed in earlier stages of the project while making use of sophisticated geospatial software and techniques. Goal is to make avalaible a set of tools to classify historical centres or block of buildings and large structures.

To achieve the goal were designed an open source software kit consisting of:

  • A desktop GIS platform
  • A dedicated database

The platform is organized to elaborate the information hold in the repository database, in specific:

  • Geological and geotechnical data
  • Seismic data
  • Deformation data

But at the same time take information from another database, called building database, a specific instrument where will be stored the building identifying with its characteristics, specially designed with the collaboration of the structural engineers, partners of the project.

All this data will be elaborate inside a GIS platform by a plugin called STABLE code, that produce structural stability model maps of the chosen case studies, based on the different level of earthquake intensity.
At the end of the activities, the final outputs of the project will be ready for the WebPortal and the final dissemination, in the form of the building Database itself.

This web portal will be created for visualization and dissemination purposes, and all primary and secondary data are intended to be included in a way that all users can easilly comprehend the intermediate processing steps.

Article by: Matteo Serpetti