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glacierpan

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[½»Á÷] 3dec4.1ÊÖ²áÀïµÄExample 3.26 Factor-of-safety

3dec4.1ÊÖ²áÀïµÄExample 3.26 Factor-of-safety calculation for a simple joint model£¬ÎªÊ²Ã´¼ÆËãµ½14%¾ÍûÁËÄØ£¿ÎÒûÓмÆËã³ö½á¹ûͼ¡£Ê²Ã´Ô­Òò£¬ÓдóÅ£Ö¸µãһϣ¬ÏÂÃæÊÇÎÒÕÕ×Åuser guideµÄ£º
new
poly brick 0 20 0 1 0 12
jset dip 0 dd 180 or 0 0 2
hide dip 0 dd 180 or 0 0 2 below
jset dip 45 dd 270 or 12 0 12
hide dip 45 dd 270 or 12 0 12 below
del
seek
jset dip 60 dd 90 or 14 0 12 spac 3.6 num 10
jset dip 20 dd 270 or 20 0 12 spac 2.2 num 10
gen edge .7
change cons 2
prop mat 1 dens 2000.0
prop mat 1 bulk 1.0e8 shear 3.0e7 bcohesion 1e20
prop mat 1 bfriction 20.0 bdilation 20.0 btens 1e10
prop jmat 1 jkn 1e10 jks 1e9 jfric 30 jcoh 1e20
gravity 0,0 -10.0
boun zvel 0 range z 0
boun xvel 0 range z 0
boun xvel 0 range x 20
boun xvel 0 range x 0
boun yvel 0 range y 0
boun yvel 0 range y 1
damp auto
solve
prop jmat 1 jcoh 1e4
prop mat 1 bcoh 12380.0
solve fos associated
ret
¾ÍÊÇ¡°solve fos associated¡±Ö»ÄܼÆËãµ½14%¾Í½áÊøÁË¡£
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glacierpan

Í­³æ (СÓÐÃûÆø)

Steps Stages  Operation               Bracket
----- ------  ---------               -------
  14%     7    Bracketing ...         [ 0.98 -  0.98]
*** Final estimate for Safety Factor = 0.98
To see failure mode, restore                    FoSmode.fsv
3Â¥2019-12-14 13:48:26
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glacierpan

Í­³æ (СÓÐÃûÆø)

Steps Stages  Operation               Bracket
----- ------  ---------               -------
   0%     0    Initial unstable state [ 0.50 -  1.00]
2Â¥2019-12-14 13:42:34
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