End-Plate and All-Bolted Moment Connections for Seismic Loading
用于地震载荷的端板和全螺栓力矩连接
基本信息
- 批准号:9416171
- 负责人:
- 金额:$ 6.5万
- 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:1994-09-01 至 1996-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
9416171 Murray Numerous reports of fractures in beam flange-to-column flange welds in steel moment resisting frames after the Northridge earthquake suggest the need for a new connection configuration. No reports of end-plate moment connection distress or failure are known. In this project the endplate and all-bolted moment connections will be studied to develop an alternate to field welded connections. Because both of these connection types require tension bolts and the associated problems with prying forces, a shim plate is placed opposite the beam tension flange or the tee-stub tension web. Using the shim ensures that the bolt tension will not increase until separation of the end-plate or tee stub flange and the column flange occurs. If the design is such that the pretension force is sufficient to develop the strength of the connected beam, in effect the connection is tested at the time the bolts are tightened. The project consists of three tasks: Task I is a survey to determine if end-plate or all-bolted moment connections exhibited distress or failure because of the Northridge earthquake. Task II is the development of a design procedure for shimmed end-plate and all-bolted moment connections, which is a relatively uncomplicated procedure because the effects of prying forces do not need to be considered. Task III is a set of four verification tests, two for each connection type. One test in each set will be designed so the connection is the controlling limit state and the second so the beam is controlling limit state. Successful completion of the proposed research will result in a steel beam-to-column moment connection which does not require welding but with sufficient strength to resist large forces from seismic events. This is a Northridge Earthquake project. ***
9416171 Murray在北岭地震后,大量关于钢抗弯框架中梁翼缘至柱翼缘焊缝断裂的报告表明需要一种新的连接配置。 目前还没有关于终板力矩连接损坏或失效的报告。 在本项目中,将研究端板和全螺栓抗弯连接,以开发现场焊接连接的替代方案。 由于这两种连接类型都需要张紧螺栓以及与撬动力相关的问题,因此将垫板放置在梁张力凸缘或T形短柱张力腹板的对面。 使用垫片可确保螺栓张力不会增加,直到端板或T形短管法兰与柱法兰发生分离。 如果设计是这样的,预拉力足以发展连接梁的强度,实际上连接是在螺栓拧紧时进行测试的。 该项目包括三个任务:任务I是一项调查,以确定是否端板或全螺栓力矩连接表现出痛苦或失败,因为北岭地震。 任务II是开发带垫片的端板和全螺栓抗弯连接的设计程序,这是一个相对简单的程序,因为不需要考虑撬力的影响。 任务III是一组四个验证测试,每个连接类型两个。 每组中的一个测试将被设计为连接是控制极限状态,第二个测试将被设计为梁是控制极限状态。 成功完成拟议的研究将导致钢梁柱弯矩连接,不需要焊接,但有足够的强度,以抵御地震事件的大力量。 这是一个北岭地震项目。 ***
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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Thomas Murray其他文献
Enabling 300 mm Wafer-Scale Fabrication of Superconducting Quantum Devices
实现 300 毫米晶圆级超导量子器件制造
- DOI:
- 发表时间:
2024 - 期刊:
- 影响因子:0
- 作者:
Ekta Bhatia;H. Frost;Nicholas Pieniazek;Jakub Nalaskowski;John Mucci;Wenli Collison;B. Martinick;Geevanie Telhu;Bryan Egan;Stephen Olson;Pui;I. Wells;Corbet S. Johnson;Thomas Murray;Kevin Musick;Satyavolu Papa Rao - 通讯作者:
Satyavolu Papa Rao
Workforce Planning for Embedded Mental Health Care in the U.S. Navy.
美国海军嵌入式心理保健的劳动力规划。
- DOI:
10.1093/milmed/usaa195 - 发表时间:
2020 - 期刊:
- 影响因子:1.2
- 作者:
Jeffrey H Millegan;Robert D Lippy;Gabriel M. De La Rosa;Michael Swayze;Thomas Murray;Katherine Hucles;Jennifer Webb;Jagruti P. Bhakta;E. Delaney;Ingrid Pauli;B. Buenviaje - 通讯作者:
B. Buenviaje
Expression perceptive fields explain individual differences in the recognition of facial emotions
表情感知场解释了面部情绪识别的个体差异
- DOI:
10.1038/s44271-024-00111-7 - 发表时间:
2024 - 期刊:
- 影响因子:0
- 作者:
Thomas Murray;N. Binetti;R. Venkataramaiyer;Vinay Namboodiri;Darren Cosker;Essi Viding;Isabelle Mareschal - 通讯作者:
Isabelle Mareschal
Asian and Asian American early educators’ racial discrimination experiences and student well-being during COVID-19: A moderated mediation model
- DOI:
10.1016/j.ecresq.2024.05.013 - 发表时间:
2024-10-01 - 期刊:
- 影响因子:
- 作者:
Xinwei Zhang;Suge Zhang;Feiran Zhang;Tong Liu;Walter S. Gilliam;Ayse Cobanoglu;Thomas Murray - 通讯作者:
Thomas Murray
The role of stimulus-based cues and conceptual information in processing facial expressions of emotion
基于刺激的线索和概念信息在处理情绪面部表情中的作用
- DOI:
10.31234/osf.io/5ae69 - 发表时间:
2020 - 期刊:
- 影响因子:3.6
- 作者:
Thomas Murray;J. O'Brien;N. Sagiv;L. Garrido - 通讯作者:
L. Garrido
Thomas Murray的其他文献
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{{ truncateString('Thomas Murray', 18)}}的其他基金
A Study of Nonlinear Magneto-Rheological Tuned Vibration Absorbers for Reducing Floor Vibrations
用于减少地板振动的非线性磁流变调谐减振器的研究
- 批准号:
9978610 - 财政年份:1999
- 资助金额:
$ 6.5万 - 项目类别:
Standard Grant
The Use of an Automated Ion Analyzer in an Environmental Science Curriculum
自动离子分析仪在环境科学课程中的使用
- 批准号:
9550818 - 财政年份:1995
- 资助金额:
$ 6.5万 - 项目类别:
Standard Grant
Washington State Manufacturing Technology Standards, Competencies and Curriculum Development
华盛顿州制造技术标准、能力和课程开发
- 批准号:
9453739 - 财政年份:1994
- 资助金额:
$ 6.5万 - 项目类别:
Standard Grant
Control of Occupant-Induced Floor Motion
控制乘员引起的地板运动
- 批准号:
9201944 - 财政年份:1992
- 资助金额:
$ 6.5万 - 项目类别:
Continuing Grant
Affinity Labels for Kappa Opioid Receptors
Kappa 阿片受体的亲和力标签
- 批准号:
9023149 - 财政年份:1991
- 资助金额:
$ 6.5万 - 项目类别:
Continuing Grant
Support of the Law of the Sea Institute
海洋法研究所的支持
- 批准号:
8019608 - 财政年份:1981
- 资助金额:
$ 6.5万 - 项目类别:
Interagency Agreement
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