ABSTRACT

A buildings stock of 12,016 Reinforced Concrete (RC) buildings is investigated to propose vulnerability, fragility, and loss curves, as well as an Expected Annual Loss (EAL) assessment. The buildings data are collected within Da.D.O. database, considering the observed damage due to L’Aquila earthquake (2009). The adopted methodology allows us to add undamaged and not-surveyed buildings, not included within the database, by considering the typological distribution of two different reference municipalities. The obtained results highlight that the completed database allows a more reliable seismic risk assessment, even if resulting EAL is poorly influenced by reference municipality assumed for undamaged buildings estimation.

摘要

调查了 12,016 座钢筋混凝土 (RC) 建筑物的存量，以提出脆弱性、脆弱性和损失曲线，以及预期年度损失 (EAL) 评估。考虑到观察到的拉奎拉地震（2009 年）造成的损坏，建筑物数据收集在 Da.DO 数据库中。采用的方法允许我们通过考虑两个不同参考城市的类型分布来添加数据库中未包含的未损坏和未调查的建筑物。获得的结果强调，完整的数据库允许进行更可靠的地震风险评估，即使由此产生的 EAL 受到为未损坏建筑物估计假设的参考市政当局的影响很小。