Comparative study of shear strength models for fault-slip analysis.pdf

R OCk Ch a ra c te ris a tio n , 彻。de lin g a n d En g in 回即 1 3 Ta yI O r e e rin g D e sig n M eth o ds 一 昆n g H uds o n 民 Ta n 了EdS 少 舀斤习n cls G ro “P, Lo n do n , IS BN 9 78 一 1 一 13 8 一 0 0 05 不5 Co mP a ra tiv e stu 即 o f sh e ar stre n g th m o d e ls fo r fa u lt 一 sliP an a lysis A . Sai n o ki H . M itr i Mc G illUn i ve rs i扭 几如n t矛椒王1, QC, Ca n a da AB STR A CT 二 T h isPap e r Pre se ni s an ap Plic at io n o ftw o sh e a r str en g th m o d e ls , n a m ely B ar to n ,s sh e ar s t re n g th mo delan d m o difl e d L a dany i an d Ai e h aln b a u lt,s m o d e l , to dy n a m ie m o de llin g o f fa u lt 一sliP th at o e eu rs in d e eP Und erg roun d m in e s . First , in e o rPo rat in g th e sh e ar stre n g th m o d e ls int o FL A〔!3D a s u b iqu ito u s jo ini mo d e ls u sin g Pla stie fi ow ru l e 15 d emo n stra te d . S u b sequ e ni lv, in o rd e r to e o n 1Pa r e th e n ew ly in e o rPo rat e d she a r stre n g th mo d els w it h th e c la ss ie a lM ohr- C o u lo m b m o d e l , sta tie an d dyn am i e an a lyse s ar e ear ri e d o ut fo r a e a se s tu dy o f a Prim ary fau lt that 1 5 Par ll el to a ste ePly d iPp in g tab u la r o re d ePo sit , w h ie h 15 m in e d o ut by su blev e l st叩in g me th o d . Th e e o mP an s o n show s that se ism ie m o m e ni an d e n erg y re le a se d du rin g th e fa u lt 一sliP e o m Pu ted fo r the 刀ew ly imP l e m e nt e d sh e ar str en g tll m o d e ls are m u e h g re a ter th an th o se fo r M o hr- C o u lo ln b m o d e l . T h is te su lt imP li e s tha t fa u lts w ith u n du la tin g su rfa e e s c o u ld le a d to larg e se ism ie ev e n ts an d seve re dam a g e to m in e o Pen in g s , e o ln Pare d w ith th o se w ith s m o o th su rfa e e s . IN TR O D U C T ION 2 IMPL EM EN I户a , IO N O F S H EA R ST R EN G T H M O D E LS I卜T O FLA C 3D Fau lt sliP in d u e e d by str e s s re 一 d is tr ibut io n du e to 皿n in g ac tiv itie s in de eP un de rg ro u n d m in e s e o u ld eau se la rg e s