Partially grouted masonry walls: experimental response & ANN/FEA analysis models

部分灌浆砖石墙:实验响应

基本信息

  • 批准号:
    514260-2017
  • 负责人:
  • 金额:
    $ 0.76万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Collaborative Research and Development Grants
  • 财政年份:
    2021
  • 资助国家:
    加拿大
  • 起止时间:
    2021-01-01 至 2022-12-31
  • 项目状态:
    已结题

项目摘要

Reinforced masonry (RM) shear walls are often used as the primary load-resisting system against lateral loads in low- and medium-rise masonry structures. RM walls can be fully grouted (FG) or partially grouted (PG) with the latter option being generally more economical, and thus, widely used in the masonry industry. While expected to remain sufficiently stiff under service loads, a masonry shear wall is expected to exhibit a ductile response under lateral load at the ultimate state. However, if the behaviour is shear-critical, failure may occur suddenly and lead to catastrophic loss of life and property. Recent studies have shown that current design provisions do not predict the shear strength of PG shear walls with consistent accuracy over the range of design variables commonly found in practice. Research has shown that in some cases, design provisions may lead to potentially unsafe designs. To develop safe, accurate, and robust design methods for the shear and flexural strength of PG walls, the Canadian Concrete Masonry Producers Association (CCMPA) and Canada Masonry Design Centre (CMDC) are not-for-profit industry associations representing the national technical interests of masonry contractors and block manufacturers, respectively, are interested in undertaking an analytical and experimental program in collaboration with the University of Alberta. Analysis models for the structural response of masonry PG walls will be developed using results from experimental testing, finite-element (FE) modelling, artificial neural networks (ANN), and mechanics-based strength formulations. The analysis model will permit an improved understanding of the mechanics underlying the behaviour of PG walls. The experimental tests will allow to examine the influence of critical design variables, calibrate the analysis models, and advance the existing knowledge on the structural response of PG walls. The rational design methods for PG walls developed in this research project will benefit the masonry industry and contractors by allowing the construction of safer and more economic PG walls.
配筋砌体剪力墙在中低层砌体结构中经常被用作抵抗水平荷载的主要体系。RM墙可以完全灌浆(FG)或部分灌浆(PG),后一种选择通常更经济,因此在砖石行业中广泛使用。虽然在使用荷载作用下,砌体剪力墙应保持足够的刚性,但在极限状态下,在水平荷载作用下,砌体剪力墙应表现出延性反应。然而,如果这种行为是剪切临界的,则破坏可能突然发生,并导致灾难性的生命和财产损失。最近的研究表明,目前的设计规定并不能在实践中常见的设计变量范围内以一致的精度预测PG剪力墙的抗剪强度。研究表明,在某些情况下,设计条款可能会导致潜在的不安全设计。为了开发安全、准确和可靠的PG墙体抗剪和抗弯强度设计方法,加拿大混凝土砌块生产商协会(CCMPA)和加拿大砌体设计中心(CMDC)是非营利性行业协会,分别代表砌块承包商和砌块制造商的国家技术利益,他们有兴趣与艾伯塔大学合作开展一项分析和实验计划。将利用试验测试、有限元(FE)建模、人工神经网络(ANN)和基于力学的强度公式的结果来开发砌体PG墙的结构响应分析模型。该分析模型将使人们能够更好地理解PG墙的行为背后的机理。试验测试将允许检验关键设计变量的影响,校准分析模型,并推进现有的关于PG墙结构反应的知识。本研究中提出的合理的PG墙体设计方法将使建筑行业和承包商受益,从而建造更安全、更经济的PG墙体。

项目成果

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CruzNoguez, Carlos其他文献

CruzNoguez, Carlos的其他文献

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{{ truncateString('CruzNoguez, Carlos', 18)}}的其他基金

Development of an Innovative, Thermally Efficient Masonry Wall System for Accelerated and Modular Construction
开发创新、热效率高的砖石墙系统,用于加速和模块化施工
  • 批准号:
    RGPIN-2020-03895
  • 财政年份:
    2022
  • 资助金额:
    $ 0.76万
  • 项目类别:
    Discovery Grants Program - Individual
Resilient concrete masonry walls to meet the needs for the next generation of low-rise structures
弹性混凝土砌体墙可满足下一代低层结构的需求
  • 批准号:
    528050-2018
  • 财政年份:
    2021
  • 资助金额:
    $ 0.76万
  • 项目类别:
    Collaborative Research and Development Grants
Development of an Innovative, Thermally Efficient Masonry Wall System for Accelerated and Modular Construction
开发创新、热效率高的砖石墙系统,用于加速和模块化施工
  • 批准号:
    RGPIN-2020-03895
  • 财政年份:
    2021
  • 资助金额:
    $ 0.76万
  • 项目类别:
    Discovery Grants Program - Individual
Development of an Innovative, Thermally Efficient Masonry Wall System for Accelerated and Modular Construction
开发创新、热效率高的砖石墙系统,用于加速和模块化施工
  • 批准号:
    RGPIN-2020-03895
  • 财政年份:
    2020
  • 资助金额:
    $ 0.76万
  • 项目类别:
    Discovery Grants Program - Individual
Next Generation of Earthquake-Resistant RC Structural Walls
下一代抗震 RC 结构墙
  • 批准号:
    RGPIN-2014-04058
  • 财政年份:
    2019
  • 资助金额:
    $ 0.76万
  • 项目类别:
    Discovery Grants Program - Individual
Resilient concrete masonry walls to meet the needs for the next generation of low-rise structures
弹性混凝土砌体墙可满足下一代低层结构的需求
  • 批准号:
    528050-2018
  • 财政年份:
    2019
  • 资助金额:
    $ 0.76万
  • 项目类别:
    Collaborative Research and Development Grants
Partially grouted masonry walls: experimental response & ANN/FEA analysis models
部分灌浆砌体墙:实验响应
  • 批准号:
    514260-2017
  • 财政年份:
    2019
  • 资助金额:
    $ 0.76万
  • 项目类别:
    Collaborative Research and Development Grants
Partially grouted masonry walls: experimental response & ANN/FEA analysis models
部分灌浆砌体墙:实验响应
  • 批准号:
    514260-2017
  • 财政年份:
    2018
  • 资助金额:
    $ 0.76万
  • 项目类别:
    Collaborative Research and Development Grants
Development of an innovative, thermally efficient masonry veneer support system
开发创新、热效率高的砌体饰面支撑系统
  • 批准号:
    531182-2018
  • 财政年份:
    2018
  • 资助金额:
    $ 0.76万
  • 项目类别:
    Engage Grants Program
Next Generation of Earthquake-Resistant RC Structural Walls
下一代抗震 RC 结构墙
  • 批准号:
    RGPIN-2014-04058
  • 财政年份:
    2018
  • 资助金额:
    $ 0.76万
  • 项目类别:
    Discovery Grants Program - Individual

相似海外基金

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
  • 批准号:
    548808-2019
  • 财政年份:
    2022
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    $ 0.76万
  • 项目类别:
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Seismic Behaviour of Partially Grouted Reinforced Masonry Shear Walls
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抗震部分灌浆钢筋混凝土砌体建筑系统
  • 批准号:
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    2021
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    Alliance Grants
Seismic Behaviour of Partially Grouted Reinforced Masonry Shear Walls
部分灌浆加筋砌体剪力墙的抗震性能
  • 批准号:
    564888-2021
  • 财政年份:
    2021
  • 资助金额:
    $ 0.76万
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    University Undergraduate Student Research Awards
Seismic Behaviour of Partially Grouted Reinforced Masonry Shear Walls
部分灌浆加筋砌体剪力墙的抗震性能
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Seismic Behaviour of Partially Grouted Reinforced Masonry Shear Walls
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  • 财政年份:
    2020
  • 资助金额:
    $ 0.76万
  • 项目类别:
    University Undergraduate Student Research Awards
Partially grouted masonry walls: experimental response & ANN/FEA analysis models
部分灌浆砖石墙:实验响应
  • 批准号:
    514260-2017
  • 财政年份:
    2020
  • 资助金额:
    $ 0.76万
  • 项目类别:
    Collaborative Research and Development Grants
Seismic Behaviour of Partially Grouted Reinforced Masonry Shear Walls
部分灌浆加筋砌体剪力墙的抗震性能
  • 批准号:
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  • 财政年份:
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  • 财政年份:
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