Seismic-resilient partially grouted reinforced concrete masonry building systems

抗震部分灌浆钢筋混凝土砌体建筑系统

基本信息

  • 批准号:
    548808-2019
  • 负责人:
  • 金额:
    $ 7.29万
  • 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

The masonry construction industry represents a substantial portion of both existing and new residential, commercial and industrial low- to medium-rise structures across Canada. Reinforced Concrete Masonry (RCM) structural walls constructed with concrete block units are an effective seismic force-resisting system that provides lateral strength, stiffness, and energy dissipation capacity required to resist lateral loads arising from earthquakes or high wind. The economical and resilient seismic design of RCM buildings in regions with moderate seismicity requires special considerations of the detailing of the seismic force-resisting walls for sufficient ductility and energy dissipation capacity under the design level ground motion. The main objective of this proposal is to develop seismic-resilient lateral force resisting systems for masonry buildings in low to moderate seismicity regions. The intent is to enhance the current detailing practices of partially grouted RCM shear walls, and improve their seismic performance and resilience. The research focus areas include the following: (1) experimental investigation of the enhancement in seismic performance parameters of scaled models of planar and non-planar partially grouted RCM shear walls with varying design detailing and configurations; (2) development, calibration, and validation of detailed numerical models to simulate the nonlinear response of partially grouted RCM shear walls; (3) numerical parametric studies to quantify the effects of different design parameters; (4) evaluation of the system-level response when utilizing partially grouted RCM walls with the enhanced configurations and detailing; and (5) quantification of the enhancements in seismic-resilience of the proposed partially grouted masonry building system.In addition to enhancing seismic hazard safety in Canada, the proposed research will generate new and complementary experimental and analytical fundamental knowledge, practical advancements, code design provisions and prescriptive detailing requirements, as well as training of HQP, which will have significant impact for the multi-billion-dollar masonry manufacturing, design, and construction industries in Canada.
砖石建筑行业代表了加拿大现有和新的住宅,商业和工业低层到中层结构的很大一部分。由混凝土砌块单元建造的钢筋混凝土砌体(RCM)结构墙是一种有效的抗震体系,其提供抵抗地震或大风引起的侧向荷载所需的侧向强度、刚度和能量耗散能力。在中等地震活动性地区,RCM建筑的经济和弹性抗震设计需要特别考虑抗震墙的细节,以确保在设计水平地面运动下具有足够的延性和耗能能力。本提案的主要目的是为中低地震区的砌体建筑开发抗震抗侧力系统。其目的是加强目前的详细做法,部分灌浆RCM剪力墙,并提高其抗震性能和恢复力。主要研究内容包括:(1)不同设计细节和构造的平面和非平面部分灌浆RCM剪力墙的缩尺模型的抗震性能参数提高的试验研究;(2)详细的数值模型的开发、校准和验证,以模拟部分灌浆RCM剪力墙的非线性响应;(3)数值参数研究,以量化不同设计参数的影响;(4)当使用具有增强配置和细节的部分灌浆RCM墙时,评估系统级响应;以及(5)对所建议的部分灌浆砌体建筑系统的抗震恢复力的增强进行量化。除了增强加拿大的地震灾害安全性外,拟议的研究将产生新的和补充的实验和分析基础知识,实践的进步,规范设计规定和规定性的详细要求,以及HQP的培训,这将对加拿大数十亿美元的砌体制造,设计和建筑行业产生重大影响。

项目成果

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{{ truncateString('Galal, KhaledKE', 18)}}的其他基金

Bond performance of FRP bars in concrete under monotonic, cyclic and fatigue loading
单调荷载、循环荷载和疲劳荷载下 FRP 筋在混凝土中的粘结性能
  • 批准号:
    543523-2019
  • 财政年份:
    2022
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Collaborative Research and Development Grants

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