Seismic behaviour of tall reinforced masonry shear walls

高配筋砌体剪力墙的抗震性能

基本信息

  • 批准号:
    552325-2020
  • 负责人:
  • 金额:
    $ 2.62万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Alliance Grants
  • 财政年份:
    2022
  • 资助国家:
    加拿大
  • 起止时间:
    2022-01-01 至 2023-12-31
  • 项目状态:
    已结题

项目摘要

Reinforced masonry (RM) has been used in Canada for more than 50 years, mostly for construction of low- and medium-rise buildings. The National Building Code of Canada 2015 (NBC 2015) permits the use of Ductile Shear Wall class for tall masonry buildings, but the height limit was set to 60 m (approximately 20 storeys) at sites characterized by moderate seismic hazard index (0.75 or less), and to 40 m (approximately 13 storeys) for high seismic hazard sites (seismic hazard index higher than 0.75). Although the NBC 2015 permits application of ductile RM wall class for construction of tall buildings in Canada, with the height limits comparable to buildings with RC shear walls, actual field applications of these buildings are still very limited. Only a few tall (20+ storey high) RM buildings have been constructed in Canada to date, mostly at sites with low to moderate seismic hazard. Limited field applications of tall buildings in Canada can be partially attributed to a scarce database of past experimental research studies on the subject.The proposed project will examine seismic response of Tall Reinforced Masonry (TRM) shear walls for field applications in Canada with opportunities to export this knowledge to other countries. The proposal includes a robust experimental and analytical research program which will be carried out at the University of British Columbia, Vancouver campus. Seismic response of TRM shear wall specimens characterized by high aspect ratios (in the range from 7.0 to 25.0) will be examined at the material, structural component, and structural system level. A hybrid experimental and numerical simulation will be performed at the system level to study seismic response of TRM buildings subjected to earthquake excitation. This is believed to be the first application of hybrid technology on TRM wall structures on a global scale. The experimental program proposed in this project will provide much needed experimental evidence related to seismic performance of TRM shear walls which is required for developers, architects, and engineers engaged in design and construction of tall buildings. The guidelines resulting from the experimental and analytical studies will provide required tools for design engineers who currently do not have adequate training related to design of tall masonry buildings.
配筋砌体(RM)在加拿大已经使用了50多年,主要用于建造低层和中层建筑。加拿大国家建筑规范2015(NBC 2015)允许将延性剪力墙等级用于高层砌体建筑,但高度限制为60 m在具有中等地震危险性指数(0.75或更低)的场地,高度为40米(约13层),地震危险性指数高于0.75。 虽然NBC 2015允许在加拿大高层建筑中应用延性RM墙等级,其高度限制与RC剪力墙建筑相当,但这些建筑的实际现场应用仍然非常有限。到目前为止,加拿大只建造了少数几座高(20层高以上)的RM建筑,大多数位于低至中度地震危险的地点。有限的现场应用的高层建筑在加拿大可以部分归因于一个稀缺的数据库,过去的实验研究的subject.The拟议的项目将检查地震反应的高层钢筋砌体(TRM)剪力墙在加拿大的现场应用的机会,出口这方面的知识到其他国家。该提案包括一个强大的实验和分析研究计划,将在不列颠哥伦比亚省大学温哥华校区进行。将在材料、结构构件和结构系统水平上检查以高纵横比(范围从7.0到25.0)为特征的TRM剪力墙试件的地震响应。将在系统水平上进行混合试验和数值模拟,以研究TRM建筑物在地震激励下的地震反应。这被认为是混合技术在全球范围内首次应用于TRM墙结构。本研究所提出的试验方案将为从事高层建筑设计和施工的开发商、建筑师和工程师提供有关TRM剪力墙抗震性能的试验依据。从实验和分析研究产生的准则将提供所需的工具,设计工程师谁目前没有足够的培训有关的高层砌体建筑的设计。

项目成果

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Yang, TonyT其他文献

Yang, TonyT的其他文献

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{{ truncateString('Yang, TonyT', 18)}}的其他基金

Development of High-Performance Modular Steel Systems for Seismic Applications
开发用于抗震应用的高性能模块化钢系统
  • 批准号:
    577668-2022
  • 财政年份:
    2022
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Alliance Grants
Design and assessment of frameless system for seismic applications
抗震应用无框架系统的设计和评估
  • 批准号:
    529848-2018
  • 财政年份:
    2022
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Collaborative Research and Development Grants
High-Performance Timber Modular Tall Buildings Toward Resilient Constructions
高性能木结构模块化高层建筑走向弹性结构
  • 批准号:
    570442-2021
  • 财政年份:
    2022
  • 资助金额:
    $ 2.62万
  • 项目类别:
    Alliance Grants

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