RAPID: Performance of Reinforced Concrete Structures with Externally Bonded Fiber Reinforced Polymer Composite Retrofits in the 2018 Anchorage, Alaska Earthquake
RAPID:2018 年阿拉斯加安克雷奇地震中采用外部粘结纤维增强聚合物复合材料改造的钢筋混凝土结构的性能
基本信息
- 批准号:1916972
- 负责人:
- 金额:$ 3.99万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2019
- 资助国家:美国
- 起止时间:2019-02-15 至 2021-01-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Externally bonded fiber reinforced polymer (EBFRP) composites can be used to seismically retrofit structures in a simple and economical manner. However, lack of documented evidence of their performance during an earthquake still limits their widespread adoption. This Grant for Rapid Response Research (RAPID) will study the effects of the November 30, 2018, earthquake (magnitude 7.0) in Anchorage, Alaska, on the performance of EBFRP composite retrofits in reinforced concrete buildings. The 2018 earthquake, which impacted the same region that was severely damaged by the 1964 Great Alaskan earthquake (magnitude 9.2) ground shaking, provides an opportunity to evaluate the effectiveness of EBFRP retrofits in a high-intensity earthquake and learn about their performance. This study will, for the first time, provide information on the performance of EBFRP retrofitted structures in an earthquake that occurred in the United States. The collected data will contribute to improved building retrofit design standards and construction practices, which will cultivate safe buildings and communities resilient to earthquakes, thus promoting national welfare. The findings will benefit practitioners and researchers by providing a unique data set to benchmark the numerical models used to simulate the response of retrofitted structures. The data will be archived and disseminated through the NSF-supported Natural Hazards Engineering Research Infrastructure (NHERI) Data Depot and Reconnaissance Integration Portal (https://www.DesignSafe-ci.org). The graduate student participating in the project will gain valuable research raining in field data collection and post-earthquake reconnaissance. This award supports the National Earthquake Hazards Reduction Program. The main objective of this grant is to collect perishable data on EBFRP response during the 2018 Alaskan earthquake to improve understanding of the performance of EBFRP-retrofitted structures. The data collection activities in Anchorage, Alaska, coordinated with the National Institute of Standards and Technology (NIST), will include the following: (1) a survey to identify reinforced concrete structures that are retrofitted with EBFRP, (2) photographic documentation of damage to EBFRP retrofit systems (e.g., delamination, rupture, and environmental degradation), and (3) identification of in-situ characteristics of the EBFRP utilizing non-destructive (e.g., acoustic sounding and infrared thermography) and semi-destructive (e.g., bond pull-off test) methods. Where permissible, small samples of EBFRP will be collected for chemical and thermal analysis to determine the extent of environmental degradation in EBFRP.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.
外贴纤维增强聚合物(EBFRP)复合材料可以简单、经济地用于结构抗震加固。然而,缺乏记录的证据表明,他们在地震期间的表现仍然限制了他们的广泛采用。快速反应研究(RAPID)将研究2018年11月30日阿拉斯加安克雷奇地震(7.0级)对EBFRP复合材料加固钢筋混凝土建筑物性能的影响。2018年的地震影响了1964年阿拉斯加大地震(9.2级)严重破坏的同一地区,这为评估EBFRP加固在高强度地震中的有效性提供了机会,并了解了它们的性能。这项研究将首次提供有关EBFRP加固结构在美国地震中的性能信息。收集到的数据将有助于改进建筑物改造设计标准和施工做法,从而培养安全的建筑物和能够抵御地震的社区,从而促进国家福利。研究结果将有利于从业人员和研究人员提供一个独特的数据集,用于基准的数值模型来模拟改造结构的反应。这些数据将通过NSF支持的自然灾害工程研究基础设施(NHERI)数据仓库和侦察集成门户(https://www.example.com)进行存档和传播。www.DesignSafe-ci.org研究生参与该项目将获得宝贵的研究训练,在现场数据收集和震后侦察。该奖项支持国家减少地震灾害计划。这笔赠款的主要目的是收集2018年阿拉斯加地震期间EBFRP反应的易腐数据,以提高对EBFRP加固结构性能的理解。与美国国家标准与技术研究所(NIST)协调,在阿拉斯加安克雷奇进行的数据收集活动将包括以下内容:(1)进行调查,以确定采用EBFRP加固的钢筋混凝土结构,(2)EBFRP加固系统损坏的照片记录(例如,分层、破裂和环境退化),和(3)利用非破坏性的(例如,声学探测和红外热成像)和半破坏性(例如,粘结拉脱试验)方法。在允许的情况下,将收集少量EBFRP样品进行化学和热分析,以确定EBFRP的环境退化程度。该奖项反映了NSF的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。
项目成果
期刊论文数量(4)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Performance of externally bonded fiber-reinforced polymer retrofits in the 2018 Cook Inlet Earthquake in Anchorage, Alaska
- DOI:10.1177/87552930211028609
- 发表时间:2021-08
- 期刊:
- 影响因子:5
- 作者:J. Tatar;S. Sattar;David Goodwin;S. Milev;Shafique Ahmed;J. Dukes;C. Segura
- 通讯作者:J. Tatar;S. Sattar;David Goodwin;S. Milev;Shafique Ahmed;J. Dukes;C. Segura
Materials characterization of FRP composite seismic retrofits after long-term service in a subarctic Alaskan environment
- DOI:10.1016/j.conbuildmat.2022.127810
- 发表时间:2022-07
- 期刊:
- 影响因子:7.4
- 作者:S. Milev;David Goodwin;S. Sattar;J. Tatar
- 通讯作者:S. Milev;David Goodwin;S. Sattar;J. Tatar
Seismic and Durability Assessment of Externally Bonded FRP Retrofits in Reinforced Concrete Structures After 2018 Anchorage, AK Earthquake
2018 年阿拉斯加州安克雷奇地震后钢筋混凝土结构外粘合 FRP 改造的抗震和耐久性评估
- DOI:10.1007/978-3-030-88166-5_106
- 发表时间:2021
- 期刊:
- 影响因子:0
- 作者:Milev, Sandra;Ahmed, Shafique;Hassan, Mariam;Sattar, Siamak;Goodwin, David;Tatar, Jovan
- 通讯作者:Tatar, Jovan
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Jovan Tatar其他文献
Autogenous and drying shrinkage in Ultra-High-Performance Concrete (UHPC) and the effectiveness of internal curing
超高强混凝土(UHPC)的自生收缩和干燥收缩以及内部养护的有效性
- DOI:
10.1016/j.conbuildmat.2025.140217 - 发表时间:
2025-02-21 - 期刊:
- 影响因子:8.000
- 作者:
Abdullah Al Moman;Deepika Sundar;Kun Zeng;Jovan Tatar;Aleksandra Radlińska;Farshad Rajabipour - 通讯作者:
Farshad Rajabipour
Jovan Tatar的其他文献
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{{ truncateString('Jovan Tatar', 18)}}的其他基金
CAREER: Durable Biomimetic Adhesives for Structural Engineering Applications
职业:用于结构工程应用的耐用仿生粘合剂
- 批准号:
2047736 - 财政年份:2021
- 资助金额:
$ 3.99万 - 项目类别:
Standard Grant
REU Site: Sustainable Resilient Transportation Systems
REU 站点:可持续弹性运输系统
- 批准号:
2050879 - 财政年份:2021
- 资助金额:
$ 3.99万 - 项目类别:
Standard Grant
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