RAPID/Collaborative Research: Post-Disaster, Reinforced Concrete Building Performance Data Collection following the April 25, 2015 Nepal Earthquake

RAPID/协作研究:2015 年 4 月 25 日尼泊尔地震后的灾后钢筋混凝土建筑性能数据收集

基本信息

  • 批准号:
    1545632
  • 负责人:
  • 金额:
    $ 5.73万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2015
  • 资助国家:
    美国
  • 起止时间:
    2015-07-01 至 2016-06-30
  • 项目状态:
    已结题

项目摘要

The magnitude 7.8 Ghorka, Nepal earthquake that occurred on April 25, 2015, and the many aftershocks that followed significantly affected Nepal, causing significant human loss as well as widespread structural damage and ground failure. The building stock in the affected regions predominantly consists of poorly engineered unreinforced masonry buildings. However, approximately 25 per cent of the buildings consist of reinforced concrete (RC) frames infilled with masonry walls. This structural system was widely used in the 1920s and 1930s in California as well as in the Pacific Northwest; hence, understanding the damage to this structural system from the Nepal earthquake has direct implications for the seismic performance of a large number of buildings in metropolitan areas in the United States. This rapid response research will focus on post-earthquake assessment of existing RC building frames with masonry infill in Nepal. A team of three researchers and three graduate students will travel to Nepal to collect perishable field data and perform detailed assessments of the seismic performance of 25-30 buildings. The team will acquire, process, and archive architectural and structural data, including building drawings, in residential buildings and critical facilities such as schools and hospitals. The data will be obtained through visual inspections and geo-referenced, three-dimensional (3D), ground-based Lidar scans and Structure from Motion, i.e., 3D reconstructions from two-dimensional photographs, thus providing detailed, quantitative damage measurements. This collected data will be made publicly available to enable future research to advance computational modeling and structural analysis for understanding the seismic performance of RC frame with masonry infill buildings. This collected data will provide new earthquake reconnaissance case studies of RC frame with infill buildings and will be used to evaluate current U.S. guidelines for assessment of existing structures. Moreover, it will serve to inform local rebuilding and recovery efforts in Nepal though close collaboration with local agencies in Nepal. The research team will collaborate with researchers and practicing engineers from Italy, Nepal, and Portugal. This project will also provide foreign research experiences for graduate students and further strengthen ties among the engineering research communities in the United States, Nepal, and European Union.
2015年4月25日发生的尼泊尔古尔卡7.8级地震以及随后的多次余震严重影响了尼泊尔,造成了重大的人员损失以及广泛的结构破坏和地面故障。受影响地区的建筑物主要是工程质量差的无钢筋砖石建筑。然而,大约25%的建筑物是钢筋混凝土框架,内填砌石墙。 这种结构体系在20世纪20年代和30年代广泛应用于加州以及太平洋西北地区;因此,了解尼泊尔地震对这种结构体系的破坏对美国大都市地区大量建筑物的抗震性能有直接影响。这项快速反应研究将集中在尼泊尔现有的钢筋混凝土建筑框架与砌体填充地震后评估。一个由三名研究人员和三名研究生组成的小组将前往尼泊尔收集易腐现场数据,并对25-30座建筑物的抗震性能进行详细评估。该团队将在住宅楼和学校和医院等关键设施中获取、处理和存档建筑和结构数据,包括建筑图纸。这些数据将通过目视检查和地理参考、三维(3D)、地基激光雷达扫描和运动结构(即,从二维照片中进行3D重建,从而提供详细的定量损伤测量。 这些收集的数据将公开提供,使未来的研究,以推进计算建模和结构分析,了解钢筋混凝土框架砌体填充建筑的抗震性能。这些收集的数据将提供新的地震勘测案例研究的钢筋混凝土框架填充建筑物,并将用于评估现有结构的评估目前美国的准则。此外,通过与尼泊尔当地机构密切合作,该项目将为尼泊尔当地的重建和恢复工作提供信息。研究团队将与来自意大利、尼泊尔和葡萄牙的研究人员和实践工程师合作。 该项目还将为研究生提供国外研究经验,并进一步加强美国,尼泊尔和欧盟工程研究社区之间的联系。

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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Andre Barbosa其他文献

Tu1341 - Histopathological Findings and <em>Helicobacter Pylori</em> Infection in Sleeve Gastrectomy
  • DOI:
    10.1016/s0016-5085(18)34400-7
  • 发表时间:
    2018-05-01
  • 期刊:
  • 影响因子:
  • 作者:
    Maira Xavier;Joao Batista Souza;Reynaldo Quinino;Andre Barbosa;Igor Pinto;Daniel Coelho;Mirella Freitas;Brunna Neves
  • 通讯作者:
    Brunna Neves

Andre Barbosa的其他文献

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{{ truncateString('Andre Barbosa', 18)}}的其他基金

Collaborative Research: Converging Design Methodology: Multi-objective Optimization of Resilient Structural Spines
合作研究:融合设计方法:弹性结构脊柱的多目标优化
  • 批准号:
    2120683
  • 财政年份:
    2021
  • 资助金额:
    $ 5.73万
  • 项目类别:
    Standard Grant

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