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Mechanics and Scaling of the Critical Slip Distance for Seismic Faulting

Mechanics and Scaling of the Critical Slip Distance for Seismic Faulting
地震断层临界滑移距离的力学和尺度
批准号：
9316082
负责人：
Chris Marone
金额：
$25.37万
依托单位：
Massachusetts Institute of Technology
依托单位国家：
美国
项目类别：
Continuing grant
财政年份：
1994
资助国家：
美国
项目状态：
已结题
起止时间：
1994-03-01 至 1997-08-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9316082&HistoricalAwards=false
关键词：
MechanicsScalingCriticalSlipDistance

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英文摘要
9316082 Marone The PI will perform experiments to determine the critical slip distance, which plays a key role in determining the rupture nucleation dimension, the magnitude of the precursive moment release, and the maximum seismic ground acceleration. He will measure this parameter for a wider range of materials, normal stresses, and slip rates than previous studies, will investigate in detail the frictional behavior and constitutive parameters for shear within fractally-rough surfaces, and will systematically model the data collected. In this way, he will develop an understanding of the underlying mechanics and physical processes, and investigate how these mechanics and processes relate to those operative in natural fault zones. ****
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Collaborative Research: Investigating the interplay between creeping and seismogenic fault sections using large-scale laboratory experiments and high-resolution numerical models
EarthCube Data Infrastructure: Collaborative Proposal: A unified experimental-natural digital data system for analysis of rock microstructure
Collaborative Research: Laboratory and Theoretical Investigations of the Micro-Mechanical Origins of Rate and State Friction on Tectonic Faults
The Spectrum of Fault Slip Behaviors and the Mechanics of Slow Earthquakes
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