Supporting Technical Assessments

1 2 3 4 5 6 7 8 9 1 0 1 1 0 1 2 3 M aj or pri n ci p al str e s s ( M P a) Mi n or pri n ci p al str e s s ( M P a) 1 2 3 4 0 1 2 3 4 5 S h e ar str e s s ( M P a) N or m al str e s s ( M P a) P S M 1 2 5 F a v o n a a n d Gl a d st o n e - A n d e sit e Cl a s s 3 H o e k- B r o w n Cl a s sifi c ati o n i nt a ct u ni a xi al c o mp . str e ng t h (si g ci ) = 1 2 M P a G SI = 2 9 mi = 2 5 Di st ur b a n c e f a ct or (D ) = 0 i nt a ct m o d ul u s (Ei ) = 4 8 0 0 M P a m o d ul u s r ati o (M R ) = 4 0 0 H o e k- B r o w n C rit e ri o n m b = 1. 9 8 0 s = 0. 0 0 0 4 a = 0. 5 2 4 M o h r- C o ul o m b Fit c o h e si o n = 0. 5 7 1 M P a fri cti o n a n g l e = 3 2. 0 5 d eg R o c k M a s s P a r a m et e r s t e n sil e str e ng t h = - 0. 0 0 2 M P a u ni a xi al c o m p r e s si v e str e ng t h = 0. 1 9 2 M P a g l o b al str e ng t h = 2. 0 6 1 M P a d ef or m ati o n m o d ul u s = 3 6 6. 4 8 M P a

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