ABSTRACT

The presented study aims to describe the seismic vulnerability of a sample made by 90 masonry one-nave churches, subjected to the Valle Scrivia Earthquake, 2003, Piemonte, Italy. In particular, the paper reports analyses performed looking at two different moments: (a) situation after the seismic event, identified through the data collection of the post-earthquake surveys; and (b) situation after 17 years, defined after new in-situ surveys on a subset made by 20 masonry churches. For the first part, damage and vulnerability analyses have been performed on a statistical basis, by employing macroseismic intensity and peak ground acceleration as intensity measures. For the second part, a comparison between the vulnerability states in the two periods investigated has been proposed, by focusing on the effects of detected interventions on site.

摘要

所提出的研究旨在描述由 90 座砖石单教堂制成的样本在 2003 年意大利皮埃蒙特的 Valle Scrivia 地震中的地震脆弱性。特别是，该论文报告了对两个不同时刻的分析：（a）地震事件后的情况，通过地震后调查的数据收集确定；(b) 17 年后的情况，根据对 20 座砖石教堂的子集进行的新现场调查确定。对于第一部分，损伤和脆弱性分析是在统计基础上进行的，采用宏观地震强度和地面加速度峰值作为强度测量。对于第二部分，通过关注现场检测到的干预措施的影响，提出了对所调查的两个时期的脆弱性状态进行比较。