The effects of the Phlaegrean Bradyseism on building systems: Field research applied in Pozzuoli

IF 4.2 1区 地球科学 Q1 GEOSCIENCES, MULTIDISCIPLINARY International journal of disaster risk reduction Pub Date : 2024-10-15 DOI:10.1016/j.ijdrr.2024.104899
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Abstract

The contribution presents the results of field research aimed at assessing the effects of the Phlaegrean Bradyseism phenomena on a building system located in the historic centre of Pozzuoli (Italy). The study falls within the scope of building façade vulnerability analyses conducted by the authors to support the Public Administration in managing bradyseismic emergencies.
Considering that the seismic-deformation phenomena connected to Bradyseism affect the performance and integrity of façade components, the research focused on studying its impact on the technical elements within the Technological Unit Classes of “Load-bearing Structure”, “Enclosure”, and “External Partition”, which directly project onto the external environment and collectively constitute the Building Envelope. The methodology for impact assessment was developed by correlating data acquired from a monitoring system installed on the façade of a surveyed building with characteristic parameters related to seismic events and soil deformations in a specific reference period. The analyses conducted excluded any significant impact of these seismic-deformation forcings on the building's Load-bearing Structure, both in terms of displacements and damage. On the other hand, significant impacts were found on the technical elements of the building envelope, which, due to their lower resistance and ductility, represent a constant hazard for the exposed urban system's safety, configuring a Building Risk scenario.
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Phlaegrean Bradyseism 对建筑系统的影响:波佐利实地研究
这篇论文介绍了实地研究的结果,研究的目的是评估位于意大利波佐利历史中心的弗拉格雷布拉迪地震现象对建筑系统的影响。考虑到与布雷迪地震相关的地震变形现象会影响外墙组件的性能和完整性,研究重点是研究其对 "承重结构"、"围护结构 "和 "外隔墙 "等技术单元类别中的技术元素的影响,这些元素直接投射到外部环境中,共同构成了建筑围护结构。影响评估方法是通过将安装在被调查建筑外墙上的监测系统所获得的数据与特定参照期的地震事件和土壤变形相关特征参数进行关联而制定的。所进行的分析排除了这些地震变形诱因对建筑物承重结构在位移和损坏方面的任何重大影响。另一方面,分析发现,建筑围护结构的技术构件受到了重大影响,由于其抗震性和延展性较低,对暴露在外的城市系统的安全构成了持续的威胁,从而形成了建筑风险情景。
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来源期刊
International journal of disaster risk reduction
International journal of disaster risk reduction GEOSCIENCES, MULTIDISCIPLINARYMETEOROLOGY-METEOROLOGY & ATMOSPHERIC SCIENCES
CiteScore
8.70
自引率
18.00%
发文量
688
审稿时长
79 days
期刊介绍: The International Journal of Disaster Risk Reduction (IJDRR) is the journal for researchers, policymakers and practitioners across diverse disciplines: earth sciences and their implications; environmental sciences; engineering; urban studies; geography; and the social sciences. IJDRR publishes fundamental and applied research, critical reviews, policy papers and case studies with a particular focus on multi-disciplinary research that aims to reduce the impact of natural, technological, social and intentional disasters. IJDRR stimulates exchange of ideas and knowledge transfer on disaster research, mitigation, adaptation, prevention and risk reduction at all geographical scales: local, national and international. Key topics:- -multifaceted disaster and cascading disasters -the development of disaster risk reduction strategies and techniques -discussion and development of effective warning and educational systems for risk management at all levels -disasters associated with climate change -vulnerability analysis and vulnerability trends -emerging risks -resilience against disasters. The journal particularly encourages papers that approach risk from a multi-disciplinary perspective.
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