Collaborative Research: Damage Compliant Inelastic Design Parameters for Performance-Based-Seismic-Design of Slender RC Columns
合作研究:用于细长 RC 柱基于性能的抗震设计的损伤兼容非弹性设计参数
基本信息
- 批准号:1000549
- 负责人:
- 金额:$ 16.5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2010
- 资助国家:美国
- 起止时间:2010-06-01 至 2015-05-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The research objective of this award is to develop and calibrate inelastic modeling parameters that better correlate damage to performance of slender reinforced concrete (RC) bridge columns. The specific modeling parameter to be investigated is the so-called plastic hinge length, which facilitates design and analysis tasks related to inelastic behavior. The approach will employ a mechanics-based methodology and progress from simple computational tools to high-fidelity modeling of the inelastic response of RC columns. Linking of these computational tools to a rigorous experimental program with accurate localized measurements will provide the necessary data to validate and calibrate the new mechanics-based models. The research will result in newly calibrated/validated plastic hinge length models with improved correlation and/or compliance with local damage that develop in RC bridge columns during seismic loads. Deliverables include new models for defining plastic hinge length that balance the design convenience and the analytical rigor of mechanics, while providing accuracy in their ability to relate to damage. Current state of the art in seismic design is moving towards prescribing localized strain levels that correlate to a well-defined damage level. If successful, the research will provide valuable numerical tools for practitioners and researchers to use in the assessment/design of RC columns within this emerging design philosophy. The research will create a unifying framework for inelastic modeling in performance based design, which will be applicable to a range of column sizes in bridge and building structures. Research results will be archived in open-access repositories for utilization by others. Educational resources for undergraduate and graduate students such as a virtual structural testing laboratory will be created to facilitate their learning. Outreach activities are planned for K-12 students and freshmen engineering students. The PIs will leverage the project with REU supplementary funding for summer research fellowships exclusively targeted at underrepresented students.
该奖项的研究目标是开发和校准非弹性建模参数,以便更好地将损伤与细长钢筋混凝土(RC)桥柱的性能联系起来。要研究的具体建模参数是所谓的塑性铰链长度,这有利于与非弹性行为相关的设计和分析任务。该方法将采用基于力学的方法,从简单的计算工具到RC柱非弹性响应的高保真建模。将这些计算工具与具有精确局部测量的严格实验程序联系起来,将为验证和校准新的基于力学的模型提供必要的数据。该研究将产生新的校准/验证的塑性铰长度模型,该模型与地震荷载下RC桥柱的局部损伤具有更好的相关性和/或一致性。交付成果包括用于定义塑性铰链长度的新模型,该模型平衡了设计便利性和力学分析的严谨性,同时提供了与损伤相关的能力的准确性。当前的抗震设计技术正朝着规定与明确的损伤水平相关的局部应变水平的方向发展。如果成功,该研究将为从业者和研究人员提供有价值的数值工具,用于在这种新兴的设计理念中评估/设计RC柱。该研究将为基于性能的设计中的非弹性建模创建一个统一的框架,该框架将适用于桥梁和建筑结构中各种柱尺寸。研究成果将存档在开放存取库中,供他人使用。为本科生和研究生提供教育资源,如虚拟结构测试实验室,以促进他们的学习。为K-12学生和工科新生准备了拓展活动。pi将利用REU的补充资金,专门针对代表性不足的学生提供夏季研究奖学金。
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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Rigoberto Burgueno其他文献
Towards packet-less ultrasonic sensor networks for energy-harvesting structures
- DOI:
10.1016/j.comcom.2016.11.001 - 发表时间:
2017-03-15 - 期刊:
- 影响因子:
- 作者:
Saptarshi Das;Hadi Salehi;Yan Shi;Shantanu Chakrabartty;Rigoberto Burgueno;Subir Biswas - 通讯作者:
Subir Biswas
Rigoberto Burgueno的其他文献
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{{ truncateString('Rigoberto Burgueno', 18)}}的其他基金
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合作研究:通过非线性弹性运动学实现建筑物中的自定心摆剪力墙
- 批准号:
2035690 - 财政年份:2020
- 资助金额:
$ 16.5万 - 项目类别:
Standard Grant
Collaborative Research: Self-Centering Pendulum Shear Walls in Buildings via Nonlinear Elastic Kinematics
合作研究:通过非线性弹性运动学实现建筑物中的自定心摆剪力墙
- 批准号:
1762119 - 财政年份:2018
- 资助金额:
$ 16.5万 - 项目类别:
Standard Grant
Tailoring of the Elastic Postbucking Response of Cylindrical Shells: A Route for Exploiting Instabilities in Mechanical Systems
圆柱壳弹性后反冲响应的定制:利用机械系统不稳定性的途径
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1463164 - 财政年份:2015
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$ 16.5万 - 项目类别:
Standard Grant
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用于能量收集设备的机械等效响应放大器和频率调制器
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1408506 - 财政年份:2014
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$ 16.5万 - 项目类别:
Standard Grant
Hybrid Nanostructured Material Systems for Tailored Stress-Wave Mitigation of Impact and Blast Effects
用于减轻冲击和爆炸效应的定制应力波的混合纳米结构材料系统
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0928835 - 财政年份:2009
- 资助金额:
$ 16.5万 - 项目类别:
Standard Grant
NEESR-II: Inelastic Web Crushing Performance Limits of High-Strength-Concrete Structural Walls
NEESR-II:高强混凝土结构墙的非弹性腹板破碎性能极限
- 批准号:
0530634 - 财政年份:2005
- 资助金额:
$ 16.5万 - 项目类别:
Standard Grant
Novel Eco-friendly Nano-reinforced Cellular Biobased Composites for Load-bearing Structures
用于承载结构的新型环保纳米增强细胞生物基复合材料
- 批准号:
0409666 - 财政年份:2004
- 资助金额:
$ 16.5万 - 项目类别:
Standard Grant
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