Development of Typical NZ Ceiling System Seismic Fragilities
Development of Typical NZ Ceiling System Seismic Fragilities
复制标题
新西兰典型天花板系统地震脆弱性的开发
DOI：
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发表时间：
2011
期刊：
影响因子：
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通讯作者：
R. Dhakal
中科院分区：
文献类型：
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作者：
G. Paganotti;G. MacRae;R. Dhakal
天花板的地震损坏除了生命安全风险外，还会造成重大的停机时间和经济损失。为了了解这一风险并制定缓解战略，坎特伯雷大学FRST自然灾害平台最近资助了一个关于非结构性损害的小项目。这个特别的项目集中在两个在新西兰常用或适用的天花板系统。本文介绍了基于阿姆斯特朗(TM)天花板组件的实验测试所获得的组件脆性的天花板系统的脆性函数的开发。采用面内有限元方法进行蒙特卡罗分析，得到顶板系统的脆性。需求参数包括绝对加速度和位移。研究了刚性喷头和柔性喷头对喷头的影响。加速度阻力与天花板尺寸有关。这些信息正被直接用于估计天花板损坏及其对整体建筑损失的贡献。
Seismic damage to ceilings can cause significant downtime and economic loss in addition to life safety risk. In order to understand this risk and develop mitigation strategies a small project on non-structural damage was recently funded by the FRST Natural Hazards Platform at the University of Canterbury. This particular project concentrates on two ceiling systems which are commonly used, or applicable, in NZ. This paper addresses the development of fragility functions for the ceiling systems based on component fragilities which are obtained from experimental testing of Armstrong (TM) ceiling components. The ceiling system fragility is obtained through Monte-Carlo analysis using in-plane finite element analysis. Demand parameters include absolute acceleration and displacement. The effect of rigid and flexible sprinklers is also investigated. The acceleration resistance is found to be dependent on the ceiling size. This information is being used directly to estimate both ceiling damage and its contribution to overall building loss.