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Summation and decomposition of principal stresses in the crust
作者姓名:石耀霖
作者单位:Geodynamics Laboratory,Graduate School of Chinese Academy of Sciences Beijing 100039,China
基金项目:National Natural Science Foundation of China (40234042).
摘    要:InthecompilationofWorldStressMap,9%ofdatacomesfromovercoringandhydraulicfracturingmeas-urement,23%fromboreholebreakingoff,63%fromearthquakefocalmechanism,and5%fromyounggeo-logicalinvestigation(Zoback,etal,1989).Onlyovercoringandhydraulicfracturingcanprovideboththeorienta-tionandmagnitudeofthehorizontalstress,allothermethodscanonlyprovidetheorientation,butnothemagni-tudeofthestresses.Althoughsomeresearcherstriedtoestimatemagnitudesofstressesinearthquakemechanismresearchbasedonsomeadditionalass…

收稿时间:9 June 2006

Summation and decomposition of principal stresses in the crust
Yao-lin Shi.Summation and decomposition of principal stresses in the crust[J].Acta Seismologica Sinica(English Edition),2004,17(1):114-118.
Authors:Yao-lin Shi
Institution:Computational Geodynamics Laboratory, Graduate School of Chinese Academy of Sciences, Beijing 100039, China
Abstract:In the compilation of World Stress Map, 9% of data comes from overcoring and hydraulic fracturing measurement, 23% from borehole breaking off, 63% from earthquake focal mechanism, and 5% from young geological investigation (Zoback, et al, 1989).
Keywords:stress  tensor  earthquake mechanism
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