Seismic Performance of Flanged Masonry Shear Walls

凸缘砌体剪力墙的抗震性能

基本信息

  • 批准号:
    8722864
  • 负责人:
  • 金额:
    $ 31.43万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    1988
  • 资助国家:
    美国
  • 起止时间:
    1988-03-01 至 1992-02-29
  • 项目状态:
    已结题

项目摘要

Masonry construction comprises a large portion of building construction in the U.S. and the world. Reinforced masonry construction use is increasing in moderate to higher seismic zones because of its apparent features of economy, fire safety, architectural flexibility and ease of construction. The present state of masonry structural analysis and design, and materials and construction technologies does not enable an accurate prediction of building behavior under lateral loads such as seismic loads. In the U.S., masonry buildings are designed and built with methods, codes and standards that rely upon a mixture of working stress methods, empirical rules, and questionable methods for determining allowable stress values. Masonry is also a complex building material because of the large number of design and construction variables which influence the final product configuration and its response under seismic loads. In order to describe the seismic response of masonry buildings it is necessary to develop the fundamental knowledge base to determine basic design methodologies consistent with safety and economic requirements. This research project is a theoretical and experimental investigation of the seismic performance of flanged masonry shear walls. The theoretical studies develop predictive models for effective flange width under lateral loading and also develop load-displacement component models for lateral hysteretic response that incorporates the separate displacement components resulting from flexure, shear and base-slip deformation. Particular emphasis is placed on the asymmetrical strength, stiffness, and ductility characteristics of T-section walls loaded parallel to their web. The experimental studies involve static cyclic load testing of T-section masonry walls and dynamic shake-table testing of T-section and rectangular section walls. The tests are on full-scale elements and are used to verify and calibrate the models developed during theoretical studies. This project is part of the U.S.-Japan Coordinated Program for Masonry Building Research and the Technical Coordinating Committee for Masonry Research (TCCMAR) Program.
在美国和世界范围内,砖石结构占建筑结构的很大一部分。加筋砌体以其经济、防火、建筑灵活、施工方便等明显的特点,在中、高震区的应用越来越多。砌体结构分析和设计、材料和施工技术的现状不能准确预测建筑在侧向荷载(如地震荷载)下的性能。在美国,砌体建筑的设计和建造方法、规范和标准依赖于工作应力方法、经验规则和确定允许应力值的可疑方法的混合。砌体也是一种复杂的建筑材料,因为大量的设计和施工变量会影响最终产品的结构及其在地震荷载下的反应。为了描述砌体建筑的地震反应,有必要建立基本的知识库,以确定符合安全和经济要求的基本设计方法。本研究项目是对法兰砌体剪力墙抗震性能的理论和实验研究。理论研究建立了侧向载荷下有效法兰宽度的预测模型,并建立了横向滞后响应的载荷-位移分量模型,该模型包含了由弯曲、剪切和基滑变形引起的单独位移分量。特别强调的是不对称的强度,刚度和延性特征的t型墙加载平行于他们的腹板。试验研究包括t型墙体的静循环荷载试验和t型墙体和矩形墙体的动振动台试验。这些测试是在全尺寸的元件上进行的,用于验证和校准理论研究期间开发的模型。该项目是美日砌体建筑研究协调计划和砌体研究技术协调委员会计划的一部分。

项目成果

期刊论文数量(0)
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科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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M. J. Nigel Priestley其他文献

Modelling of elastic damping in nonlinear time-history analyses of cantilever RC walls
  • DOI:
    10.1007/s10518-011-9286-y
  • 发表时间:
    2011-05-31
  • 期刊:
  • 影响因子:
    4.100
  • 作者:
    Eleni Smyrou;M. J. Nigel Priestley;Athol J. Carr
  • 通讯作者:
    Athol J. Carr

M. J. Nigel Priestley的其他文献

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{{ truncateString('M. J. Nigel Priestley', 18)}}的其他基金

PRESSS Phase III: Five-story Precast Superassemblage Test
PRESSS 第三阶段:五层预制超级组合测试
  • 批准号:
    9700125
  • 财政年份:
    1997
  • 资助金额:
    $ 31.43万
  • 项目类别:
    Continuing Grant
PRESSS Coordination - Phase II
新闻协调 - 第二阶段
  • 批准号:
    9307822
  • 财政年份:
    1993
  • 资助金额:
    $ 31.43万
  • 项目类别:
    Continuing Grant
Innovation Connection for Precast Frames Using Debonded Tendons
使用脱粘筋预制框架的创新连接
  • 批准号:
    9300990
  • 财政年份:
    1993
  • 资助金额:
    $ 31.43万
  • 项目类别:
    Standard Grant
Precast Frames Connected with Unbonded Prestressing Tendons (PRESSS)
用无粘结预应力筋连接的预制框架 (PRESSS)
  • 批准号:
    9307840
  • 财政年份:
    1993
  • 资助金额:
    $ 31.43万
  • 项目类别:
    Continuing Grant
Press Project 1.7 Coordination
新闻项目 1.7 协调
  • 批准号:
    8920776
  • 财政年份:
    1990
  • 资助金额:
    $ 31.43万
  • 项目类别:
    Continuing Grant
The Whittier Narrows Earthquake Freeway Bridges: Performance, Analysis and Repair
惠蒂尔海峡地震高速公路桥梁:性能、分析和修复
  • 批准号:
    8803229
  • 财政年份:
    1988
  • 资助金额:
    $ 31.43万
  • 项目类别:
    Standard Grant
UJNR Panel on Wind and Seismic Effects Technical Coordinat- ing Committee on Precast Seismic Structural Systems (UJNR-PRESSS) - Initiation Proposal
UJNR 风和地震影响小组预制抗震结构系统技术协调委员会 (UJNR-PRESSS) - 启动提案
  • 批准号:
    8810241
  • 财政年份:
    1988
  • 资助金额:
    $ 31.43万
  • 项目类别:
    Standard Grant

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