RIA: Three-Dimensional Nonlinear Cyclic Analysis of Concrete-Filled Tube Beam-Columns and Composite Subassemblies

RIA:混凝土管梁柱和组合组件的三维非线性循环分析

基本信息

  • 批准号:
    9410473
  • 负责人:
  • 金额:
    $ 11万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    1994
  • 资助国家:
    美国
  • 起止时间:
    1994-09-15 至 1998-08-31
  • 项目状态:
    已结题

项目摘要

9410473 Hajjar This is a Research Initiation Award to study the force displacement response and ultimate strength behavior of composite subassemblies of unbraced frames. Structural engineers are increasingly realizing the economic benefits of using concrete filled steel tube (CFT) beam-columns in low and medium-rise construction, and they expect the demand for CFTs to grow significantly in the next decade. Detailed but efficient numerical simulation, coupled with experimental research, is the only practical means of understanding CFT behavior. Yet only insufficient research has been conducted on CFTs to date. The subassemblies to be studied in this project consist of steel I girders framing into rectangular CFT beam-columns subjected to either monotonic or cyclic loading. The project's objectives are: 1) to develop a practical, three-dimensional, nonlinear, fiber-based finite element formulation to represent CFT beam columns; 2) to develop compatible nonlinear models to represent the girder-to-column connection and panel zone region; 3) to implement these formulations in an existing composite frame analysis system, and to calibrate the formulations against experimental data; and 4) to conduct comprehensive parametric studies of individual CFT beam- columns and composite subassemblies. The parametric studies will be conducted to provide the data required to improve the accuracy and scope of current non-seismic and seismic design specification provisions. This fiber analysis will also facilitate investigation of new composite CFT systems, and permit experimentalists to both predict and interpret their test results. ***
9410473 Hajjar这是一个研究无支撑框架的复合材料层合板的力位移响应和极限强度行为的研究启动奖。 结构工程师越来越多地认识到在中低层建筑中使用钢管混凝土(CFT)梁柱的经济效益,他们预计未来十年对钢管混凝土(CFT)的需求将大幅增长。 详细但有效的数值模拟,加上实验研究,是理解CFT行为的唯一实用手段。 然而,迄今为止,对CFTs的研究还不够。 在这个项目中要研究的桁架包括钢工字梁框架成矩形钢管混凝土梁柱受到单调或循环荷载。 该项目的目标是:1)开发一个实用的、三维的、非线性的、基于纤维的有限元公式来表示CFT梁柱; 2)开发兼容的非线性模型来表示梁柱连接和面板区域; 3)在现有的组合框架分析系统中实现这些公式,并根据实验数据校准公式; 4)对钢管混凝土梁柱和组合梁进行了全面的参数研究。 将进行参数研究,以提供所需数据,提高当前非抗震和抗震设计规范规定的准确性和范围。这种纤维分析也将有助于研究新的复合材料CFT系统,并允许实验人员预测和解释他们的测试结果。 ***

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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Jerome Hajjar其他文献

Multi-dimensional Earthquake Response of Se-lfcentering Building Structural System Using Upliftresilient steel braced fersamwithMechanism
举升式弹性钢支撑框架自定心建筑结构体系的多维地震响应
  • DOI:
  • 发表时间:
    2012
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Azuhata,T.,Ishihara,T. and Midorikawa,Eatherton;Jerome Hajjar;Toru Takeuchi ;Kazuhiko Kasai and Mitsumasa Midorikawa;EarthquakeM
  • 通讯作者:
    EarthquakeM

Jerome Hajjar的其他文献

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{{ truncateString('Jerome Hajjar', 18)}}的其他基金

Physics-Reinforced Deep Learning for Structural Metamodeling
用于结构元建模的物理强化深度学习
  • 批准号:
    2013067
  • 财政年份:
    2020
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
Collaborative Research: Transforming Building Structural Resilience through Innovation in Steel Diaphragms
合作研究:通过钢隔膜创新改变建筑结构的弹性
  • 批准号:
    1562490
  • 财政年份:
    2016
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
NRI: Large: Collaborative Research: Fast and Accurate Infrastructure Modeling and Inspection with Low-Flying Robots
NRI:大型:协作研究:使用低空飞行机器人进行快速准确的基础设施建模和检查
  • 批准号:
    1328816
  • 财政年份:
    2013
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
Deconstructable Systems for Sustainable Design of Steel and Composite Structures
用于钢结构和复合结构可持续设计的可解构系统
  • 批准号:
    1200820
  • 财政年份:
    2012
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
Collaborative Research: Reconfiguring Steel Structures: Energy Dissipation and Buckling Mitigation Through the Use of Steel Foams
合作研究:重构钢结构:通过使用泡沫钢进行能量耗散和屈曲缓解
  • 批准号:
    0970059
  • 财政年份:
    2010
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
Performance Assessment and Performance-Based Design Metholodogy for Composite Construction with Application to Concrete-Filled Steel Tube Structural Systems
复合结构性能评估和基于性能的设计方法在钢管混凝土结构系统中的应用
  • 批准号:
    0084848
  • 财政年份:
    2000
  • 资助金额:
    $ 11万
  • 项目类别:
    Continuing Grant
Conference: Composite Construction in Steel and Concrete IV
会议:钢与混凝土复合结构 IV
  • 批准号:
    9900355
  • 财政年份:
    1999
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
Composite Interaction of Steel Frame Members and Reinforced Concrete Walls Under Seismic Loading
地震荷载下钢框架构件与钢筋混凝土墙的复合相互作用
  • 批准号:
    9810005
  • 财政年份:
    1998
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant

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