Stability of Elastomeric and Lead-Rubber Seismic Isolation Bearings Under Extreme Earthquake Loading
弹性和铅橡胶隔震支座在极端地震荷载下的稳定性
基本信息
- 批准号:1031362
- 负责人:
- 金额:$ 17万
- 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:2010-09-01 至 2014-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The research objective of this project is to develop improved methods for modeling and predicting the stability limit of elastomeric and lead rubber seismic isolation bearings. Elastomeric and lead-rubber isolation bearings are used for seismic isolation of building and bridge structures to reduce the damaging effects of strong ground shaking. The Elastomeric bearings consist of alternating layers of rubber bonded to intermediate steel shim plates and the lead-rubber bearings have an additional lead plug inserted into a central hole. During severe earthquake ground shaking, these isolation bearings are likely to be subjected to simultaneous large lateral displacements and axial compressive loads that could cause bearing instability. This research will identify the fundamental mechanism(s) causing bearing instability through detailed nonlinear finite element analysis and component level testing. These studies will aid in the development of an improved macro-model capable of capturing bearing instability and the derivation of a mechanics-based closed-form expression for predicting the bearing stability limit state.The results of this research will provide tools to improve the assessment of bearing safety for the design of isolation systems composed of elastomeric or lead-rubber bearings. This research will also develop improved macro-models for rapid numerical earthquake simulation that will provide new knowledge about the performance of isolated structures under extreme earthquake loads. This new knowledge would lead to innovative solutions to modify and enhance the response of individual bearings to achieve a desired system performance. The results will be disseminated broadly to the research and design communities through journal publications, seminars, conference sessions and design recommendations. The project will provide advanced training to graduate students with professional development opportunities of presenting their work at technical meetings and conferences. This project will also recruit undergraduate students from diverse backgrounds to participate in structural engineering research and to pursue a graduate education in civil engineering through Penn State's Office of Engineering Diversity's Summer Research Program (SROP) program.
该项目的研究目标是开发改进的方法来建模和预测弹性体和铅橡胶隔震支座的稳定性极限。弹性和铅橡胶隔震支座用于建筑物和桥梁结构的隔震,以减少强烈地面震动的破坏性影响。弹性轴承由粘合到中间钢垫板的交替橡胶层组成,铅橡胶轴承有一个插入中心孔的附加铅塞。在严重的地震地面震动期间,这些隔震支座可能会同时承受较大的横向位移和轴向压缩载荷,从而导致支座失稳。这项研究将通过详细的非线性有限元分析和部件级测试来确定导致轴承不稳定的基本机制。这些研究将有助于开发一种改进的宏观模型,能够捕获轴承的不稳定性,并推导基于力学的封闭式表达式来预测轴承稳定性极限状态。这项研究的结果将为改进由弹性体或铅橡胶轴承组成的隔震系统设计的轴承安全性评估提供工具。这项研究还将开发用于快速数值地震模拟的改进宏观模型,这将提供有关极端地震荷载下隔离结构性能的新知识。这些新知识将带来创新的解决方案,以修改和增强单个轴承的响应,以实现所需的系统性能。研究结果将通过期刊出版物、研讨会、会议和设计建议广泛传播给研究和设计界。该项目将为研究生提供高级培训,并提供在技术会议和会议上展示其工作的专业发展机会。该项目还将招收来自不同背景的本科生参与结构工程研究,并通过宾夕法尼亚州立大学工程多样性办公室的夏季研究计划(SROP)项目攻读土木工程研究生教育。
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)
数据更新时间:{{ journalArticles.updateTime }}
{{
item.title }}
{{ item.translation_title }}
- DOI:
{{ item.doi }} - 发表时间:
{{ item.publish_year }} - 期刊:
- 影响因子:{{ item.factor }}
- 作者:
{{ item.authors }} - 通讯作者:
{{ item.author }}
数据更新时间:{{ journalArticles.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ monograph.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ sciAawards.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ conferencePapers.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ patent.updateTime }}
Gordon Warn其他文献
Gordon Warn的其他文献
{{
item.title }}
{{ item.translation_title }}
- DOI:
{{ item.doi }} - 发表时间:
{{ item.publish_year }} - 期刊:
- 影响因子:{{ item.factor }}
- 作者:
{{ item.authors }} - 通讯作者:
{{ item.author }}
{{ truncateString('Gordon Warn', 18)}}的其他基金
Discrete Structural Optimization through a Sequential Decision Process
通过顺序决策过程进行离散结构优化
- 批准号:
2322853 - 财政年份:2023
- 资助金额:
$ 17万 - 项目类别:
Standard Grant
LEAP-HI: Optimal Design and Life-Long Adaptation of Civil Infrastructure in a Changing and Uncertain Environment for a Sustainable Future
LEAP-HI:在不断变化和不确定的环境中土木基础设施的优化设计和终身适应,实现可持续的未来
- 批准号:
2053620 - 财政年份:2021
- 资助金额:
$ 17万 - 项目类别:
Standard Grant
RSB/Collaborative Research: A Sequential Decision Framework to Support Trade Space Exploration of Multi-Hazard Resilient and Sustainable Building Designs
RSB/合作研究:支持多灾种弹性和可持续建筑设计贸易空间探索的序贯决策框架
- 批准号:
1455444 - 财政年份:2015
- 资助金额:
$ 17万 - 项目类别:
Standard Grant
CAREER: A Performance-Based Multi-Objective Optimization Framework to Define Innovative Structural Concepts and Support the Seismic Design of Critical Buildings
职业生涯:基于性能的多目标优化框架,用于定义创新结构概念并支持关键建筑的抗震设计
- 批准号:
1351591 - 财政年份:2014
- 资助金额:
$ 17万 - 项目类别:
Standard Grant
NSF East Asia Summer Institutes for US Graduate Students
美国研究生 NSF 东亚暑期学院
- 批准号:
0305010 - 财政年份:2003
- 资助金额:
$ 17万 - 项目类别:
Standard Grant
相似海外基金
I-Corps: Translation Potential of an Elastomeric Low-Friction Fluoropolymer Alternative for the Medical Device Industry
I-Corps:医疗器械行业弹性体低摩擦含氟聚合物替代品的转化潜力
- 批准号:
2406968 - 财政年份:2024
- 资助金额:
$ 17万 - 项目类别:
Standard Grant
肩関節脱臼予防に向けたElastomeric Shoulder Braceの研究
预防肩关节脱位的弹性肩托的研究
- 批准号:
23K10702 - 财政年份:2023
- 资助金额:
$ 17万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Measuring hardness of soft elastomeric materials
测量软弹性材料的硬度
- 批准号:
10023604 - 财政年份:2022
- 资助金额:
$ 17万 - 项目类别:
Collaborative R&D
Recyclable Elastomeric Plastics safely and sUstainably designed and produced via enzymatic Recycling of Post-cOnsumer waSte strEams (REPurpose)
通过酶法回收消费后废物流(REPurpose)安全、可持续地设计和生产可回收弹性塑料
- 批准号:
10061175 - 财政年份:2022
- 资助金额:
$ 17万 - 项目类别:
EU-Funded
野球肘予防の新たなElastomeric Elbow Braceの開発と臨床評価
用于预防棒球肘的新型弹性护肘的开发和临床评估
- 批准号:
22K11594 - 财政年份:2022
- 资助金额:
$ 17万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
前十字靱帯不全膝に向けたElastomeric Knee Braceの研究
前交叉韧带功能不全膝关节弹性护膝的研究
- 批准号:
22K11569 - 财政年份:2022
- 资助金额:
$ 17万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Developing Tough, Elastomeric, Bioactive Hydrogel Dressings to Accelerate in situ Bone Repair
开发坚韧、弹性、生物活性水凝胶敷料以加速原位骨修复
- 批准号:
473000 - 财政年份:2022
- 资助金额:
$ 17万 - 项目类别:
Operating Grants
Elastomeric metamaterials for 3D printing of permeable tubular structures
用于可渗透管状结构 3D 打印的弹性超材料
- 批准号:
568971-2022 - 财政年份:2022
- 资助金额:
$ 17万 - 项目类别:
Alexander Graham Bell Canada Graduate Scholarships - Doctoral
膝前十字靱帯損傷の予防に向けたElastomeric Strapの開発
开发预防前十字韧带损伤的弹性带
- 批准号:
21K11434 - 财政年份:2021
- 资助金额:
$ 17万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Performance of Fibre Reinforced Elastomeric Isolators in use as Bridge Bearings
用作桥梁支座的纤维增强弹性体隔振器的性能
- 批准号:
566270-2021 - 财政年份:2021
- 资助金额:
$ 17万 - 项目类别:
Alexander Graham Bell Canada Graduate Scholarships - Master's