7/25/2019 RocData1-criterio hoke brown

1/1

Analysis of Rock/Soil Strength using RocData

54

52

50

48

46

44

42

40

38

36

34

32

30

28

26

24

22

20 20

18 18

16 16

14 14

12 12

10 10

8 8

6 6

4 4

2 2

Hoek-Brown Classificationintact uniaxial compressive strength = 60 MPaGS = 50 mi = 1! "istur#ance $actor = 0%5

Hoek-Brown Criterionm# = 1%&5& s = 0%0013 a = 0%506

Mohr-Coulomb Fitcohesion = 2%!66 MPa $riction angle = 30%!6 'eg

Rock Mass arameterstensile strength = (0%043 MPauniaxial compressive strength = 2%060 MPaglo#al strength = 10%4&6 MPamo'ulus o$ 'e$ormation = 580!%48 MPa

0 2 4 6 8 10 12 14

Minor principal stress )MPa*

0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30

+ormal stress )MPa*

Ma,orprinc

ipalstress)MPa*

Sh

earstress)MPa*