A Study of New Concepts in Stick-Slip Behavior

粘滑行为新概念研究

• 批准号: 8916575
• 负责人: James Brune
• 金额: $ 5.06万
• 依托单位: Board of Regents, NSHE, obo University of Nevada, Reno
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1990
• 资助国家: 美国
• 起止时间: 1990-02-01 至 1992-01-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8916575&HistoricalAwards=false
• 关键词: Study; New; Concepts; Stick; Slip

This research is designed as a rigorous test of the hypothesis that variations in normal stress are a primary factor controlling stick-slip behavior in the laboratory. The hypothesis has been suggested by recent work on stick-slip behavior in foam rubber, and, if true, will have a major impact on current ideas about rupture nucleation and the characteristics of premonitory slip. The existence of normal stress variations during stick-slip has implications for rupture mechanics, fault behavior, and short- term earthquake prediction. Estimates can be made about the spectra of seismic waves recorded during a slip event which involves normal motions; these estimates will be compared with the actual foam rubber stick-slip data in order to assess whether normal motions have occurred. This work is a component of the National Earthquake Hazard Reduction Program.

这项研究旨在对假设进行严格的检验 法向应力的变化是控制 实验室中的粘滑行为。 这个假设是 根据最近对泡沫橡胶中粘滑行为的研究， 如果这是真的，将对当前的观点产生重大影响， 破裂形核和前兆滑移特征。 粘滑过程中正应力变化的存在， 对断裂力学、断层行为和短- 地震预报术语 可以估计， 在滑动事件期间记录的地震波的频谱， 涉及正常运动;这些估计将与 实际泡沫橡胶粘滑数据，以评估是否 发生了正常的运动。 这项工作是一个组成部分， 国家地震减灾计划。