Update and Refinement of Whe Reports as a Complementary Database Towards the Development of An International Macroseismic Scale (Ims)


Abstract eng:
Over the past few years the number of reports which are included in the World Housing Encyclopedia - WHE (http://db.world-housing.net/) has increased in a remarkable way. This development was not the least supported by international initiatives contributing to global earthquake (risk) reduction. The WHE can be regarded as the most comprehensive database covering the regional variation of structural systems for the majority of building typologies in earthquake-affected regions worldwide. Recent efforts have been concentrating on the identification and detailed description of prominent building typologies in various parts of the world that are still missing in the database. Further progress in filling up the database might be achieved by affiliating/collaborating with international Master courses and the elaboration of reports as part of the project work related to risk assessment in structural engineering, most probably by students preparing reports of typologies prevalent in their home countries (see http://www.uni-weimar.de/nhre). The paper at hand informs about the current update of WHE reports in order to give a more harmonized assignment of the most likely vulnerability class (as well as their ranges) to the respective typologies. Authors are asked to indicate the quality of their data, particularly their confidence level in determining the vulnerability class and what type of information this assignment is based upon. This editorial qualification supports the direct link of the reports in transforming the European Macroseismic Scale (EMS-98) into an International Macroseismic Scale (IMS). Guidance is provided how the description of vulnerability classes can be better related to the EMS-98 principles while harmonizing the information provided. In addition to the vulnerability class, authors are requested to submit updates of the reports, especially immediately after the occurrence of larger earthquakes. Here, the quality (reliability) of the assignments could be indicated, accepting that the vulnerability of an individual building typology (reported) stands in a meaningful/sound relationship to the observed response and assigned vulnerability classes of other building typologies. The paper summarizes regional variations of the overall building typology and tries to correlate general characteristics (e.g., age) with seismic vulnerability features (i.e., structural layout, elements, connections, floor and roof type etc.) to the expected “IMS vulnerability class” for each regional variant. Following the updated EMS Vulnerability Table, regional particularities are expressed in their most likely vulnerability class, along with the ranges of probable and less probable (i.e., exceptional) cases.

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Conference Title:
16th World Conference on Earthquake Engineering
Conference Venue:
Santiago (CL)
Conference Dates:
2017-01-09 / 2017-01-13
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 Record created 2017-01-18, last modified 2017-01-18


Original version of the author's contribution as presented on USB, paper 3657.:
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