RAPID: Lateral Load Resistance of Residential Housing Exposed to Extreme Wind Event
RAPID:遭受极端风力事件的住宅的横向荷载阻力
基本信息
- 批准号:1348609
- 负责人:
- 金额:$ 0.7万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2013
- 资助国家:美国
- 起止时间:2013-10-01 至 2014-09-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
It is proposed to collect residential building damage data that is caused by the EF5 tornado in the city of Moore, Oklahoma on May 20, 2013. The damage path of this tornado overlaps the damage paths of two previous tornadoes of 1999 and 2003. It would be interesting to see how the houses reconstructed after the previous tornadoes perform in this tornado. Even though there are close to 1,000 tornadoes recorded each year, less than 10 tornadoes are rated EF 4 and EF 5. When an EF5 tornado impacts a city there is a unique opportunity to document building damage and learn from the damage. This tornado damaged two schools, several commercial buildings and more than 1200 residential structures. This project team will focus on documentation of residential structures. RAPID funding provides an opportunity to document the damage before damaged buildings are cleared and the debris is moved.The project team will work with other RAPID grantee teams in the field to improve coverage of the damage area and avoid duplication. The team of faculty members and students will document failure modes, materials of construction, location of structures with respect to the center of the path, and debris impacts for documented structures. The institution is located within 20 miles of the damage area; this proximity of the documentation effort gives advantage of familiarity of the area. The RAPID team will develop contour maps of EF ratings and wind speeds based on observed Degrees of Damage. These maps will be compared with past tornado studies to evaluate the similarities and differences. This comparison will contribute to the understanding of the spatial characteristics of tornado wind forces on structures. Building failure progression will be determined in different wind speed zones. The benefits and challenges of using social media (twitters) to improve disaster assessment will be determined.
建议收集2013年5月20日在俄克拉荷马州的摩尔市发生的EF 5级龙卷风造成的住宅建筑损坏数据。这次龙卷风的破坏路径与1999年和2003年的两次龙卷风的破坏路径重叠。这将是有趣的,看看如何重建房屋后,以前的龙卷风表现在这场龙卷风。尽管每年有近1,000个龙卷风记录,但只有不到10个龙卷风被评为EF 4和EF 5。当EF 5龙卷风袭击一个城市时,有一个独特的机会来记录建筑物的损坏并从损坏中学习。这场龙卷风破坏了两所学校、几座商业建筑和1200多座住宅建筑。该项目小组将侧重于住宅结构的文件编制。快速发展方案的供资提供了一个机会,可以在清理受损建筑物和清除废墟之前记录损失情况,项目小组将与其他快速发展方案受赠方小组在实地合作,扩大受损地区的覆盖面,避免重复。教师和学生的团队将记录故障模式,建筑材料,结构相对于路径中心的位置,以及碎片对记录结构的影响。该机构位于受损地区20英里以内;文件工作的这种接近性使人们对该地区很熟悉。RAPID小组将根据观测到的损害程度绘制EF等级和风速的等值线图。这些地图将与过去的龙卷风研究进行比较,以评估相似性和差异。这种比较将有助于了解龙卷风风力对结构的空间特性。将在不同的风速区确定建筑物的破坏进程。将确定使用社交媒体(twitters)改善灾害评估的好处和挑战。
项目成果
期刊论文数量(0)
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科研奖励数量(0)
会议论文数量(0)
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相似国自然基金
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