CAREER: Integration of Steel Grain Bin Vulnerability and Rural Community Resilience for Multiple Hazards

这一学院早期职业发展(CAROR)奖将促进对钢质谷物箱性能的了解，以及以农业为基础的农村社区对自然灾害，特别是地震和风暴的适应能力。农村和农业社区的复原力通常落后于城市社区，部分原因是它们独特的基础设施，该项目将采取综合研究和教育的方法来增强它们的复原力。与钢质粮仓性能有关的调查结果将直接翻译给制造商。综合基础设施和农村社区复原力模型将使各个社区能够评估其复原力，考虑到其独特的建筑环境。该教育计划将通过增加在大学阶段攻读和坚持工程专业的农村学生的数量，促进未来STEM劳动力的多样化和增强，目前城市和农村学生之间存在着很大的差距。开发公民科学侦察平台，进一步让广大农村公民参与到抗灾救灾的研究和实践中来。该项目将有助于国家科学基金会(NSF)在国家减少地震灾害计划(NEHRP)和国家减少风暴影响计划(NWIRP)中发挥作用。该项目的主要目标是从根本上了解钢制粮仓的性能，以及以农业为基础的农村社区在遭受地震和直线风暴时的恢复能力。为了实现这一目标，研究计划将包括两个主要的研究推动力：钢质粮仓脆弱性和社区复原力影响评估。钢质粮仓的主要研究任务将包括钢质粮仓的高保真数值模拟、大规模地震和气动弹性测试，以及开发元模型以便于进行易损性分析，将一系列粮仓的危险强度与损坏概率联系起来。与社区复原力推进相关的主要任务将包括开发农业社区复原力模型，该模型将在纵向结构和社区勘察方面得到验证，以及评价增强复原力的缓解措施。这项研究将使用美国国家科学基金会支持的佛罗里达国际大学的自然危害工程研究基础设施风墙进行气动弹性测试，并将项目数据存档并公开提供给国家科学基金会数据仓库(https://www.DesignSafe-ci.org).This项目由土木工程基础设施工程计划和既定的激励竞争研究计划共同资助)。该奖项反映了美国国家科学基金会的法定使命，并通过使用基金会的智力优势和更广泛的影响审查标准进行评估，被认为值得支持。

This Faculty Early Career Development (CAREER) award will advance understanding of the performance of steel grain bins and the resilience of agriculturally based rural communities to natural hazards, particularly earthquakes and windstorms. The resilience of rural and agricultural communities typically lags behind their more urban counterparts, in part due to their unique infrastructure, and this project will take an integrated research and education approach to enhance their resilience. Findings related to the performance of steel grain bins will be translated directly to manufacturers. An integrated infrastructure and rural community resilience model will enable individual communities to evaluate their resilience accounting for their unique built environment. The education plan will contribute to diversifying and enhancing the future STEM workforce by increasing the number of rural students pursuing and persisting in engineering at the university level, where currently there exists a substantial gap between urban and rural students. A citizen science reconnaissance platform will be developed to further engage a wide range of rural citizens in the study and practice of disaster resilience. This project will contribute to the National Science Foundation (NSF) role in the National Earthquake Hazards Reduction Program (NEHRP) and the National Windstorm Impact Reduction Program (NWIRP). This overarching goal of this project is to generate a fundamental understanding of the performance of steel grain bins and the resilience of agriculturally based rural communities when subjected to earthquakes and straight-line windstorms. To reach this goal, the research plan will be comprised of two major research thrusts: steel grain bin vulnerability and community resilience impact assessments. Major research tasks for the steel grain bin will include high-fidelity numerical modeling of steel grain bins, large-scale seismic and aeroelastic testing, and development of metamodels to facilitate fragility analyses relating the hazard intensity to damage probabilities for a range of grain bins. Major tasks associated with the community resilience thrust will include the development of an agricultural community resilience model, which will be validated with respect to longitudinal structural and community reconnaissance, and the evaluation of mitigative measures to enhance resilience. This research will use the NSF-supported Natural Hazards Engineering Research Infrastructure (NHERI) Wall of Wind facility at Florida International University for aeroelastic testing and will archive and make publicly available project data in the NHERI Data Depot (https://www.DesignSafe-ci.org).This project is jointly funded by the Engineering for Civil Infrastructure (ECI) program and the Established Program to Stimulate Competitive Research (EPSCoR).This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.