Slope Stability Check 1
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Transcript of Slope Stability Check 1
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Slope Stability 1 Bishop's1
1[GeoStructural Analysis - Slope Stability | version 5.18.4.0 | Copyright © 2014 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu]
Slope stability analysisInput dataProjectTask :Part :Description :Date :Project ID :Project number :
Slope Stability 1 Bishop's1Stability Check 15/12/2016NANA
SettingsStandard - safety factorsStability analysisEarthquake analysis :Verification methodology :
StandardSafety factors (ASD)
Safety factorsPermanent design situation
Safety factor : SFs = 1.50 [–]
Interface
No. Interface location Coordinates of interface points [m]x z x z x z
1
2
3
4
25.5036.00
19.5050.00
0.0050.00
0.00
19.5019.50
17.5019.50
16.0017.50
15.50
30.00
25.50
15.00
50.00
21.00
19.50
16.00
15.50
33.00
36.00
19.50
21.00
19.50
17.50
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Slope Stability 1 Bishop's1
2[GeoStructural Analysis - Slope Stability | version 5.18.4.0 | Copyright © 2014 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu]
No. Interface location Coordinates of interface points [m]x z x z x z
5
6
7
8
9
10
0.00
0.00
0.00
0.00
0.00
0.00
13.50
11.50
9.50
7.50
5.50
3.50
50.00
50.00
50.00
50.00
50.00
50.00
13.50
11.50
9.50
7.50
5.50
3.50
Soil parameters - effective stress state
No. Name Patternjef[°]
cef
[kPa]g
[kN/m3]
1 Rock Fill 30.00 0.00 22.00
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Slope Stability 1 Bishop's1
3[GeoStructural Analysis - Slope Stability | version 5.18.4.0 | Copyright © 2014 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu]
Soil parameters - uplift
No. Name Patterngsat
[kN/m3]gs
[kN/m3]n
[–]
1 Rock Fill 22.00
Soil parameters - total stress state
No. Name Patterncu
[kPa]g
[kN/m3]
1
2
3
4
5
6
7
Weak Clay 2
Regular Clay 9
Regular Clay 8
Regular Clay 7
Regular Clay 6
Regular Clay 5
Regular Clay 3-4
8.00
17.00
15.00
13.00
11.00
9.00
8.00
5.50
5.50
5.50
5.50
5.50
5.50
5.50
Soil parametersWeak Clay 2Unit weight :Stress-state :Cohesion of soil :
gtotalcu
=
=
5.50
8.00
kN/m3
kPa Rock FillUnit weight :Stress-state :Angle of internal friction :Cohesion of soil :Saturated unit weight :
geffectivejefcefgsat
=
===
22.00
30.000.00
22.00
kN/m3
°kPakN/m3
Regular Clay 9Unit weight :Stress-state :
gtotal
= 5.50 kN/m3
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Slope Stability 1 Bishop's1
4[GeoStructural Analysis - Slope Stability | version 5.18.4.0 | Copyright © 2014 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu]
Cohesion of soil : cu = 17.00 kPa Regular Clay 8Unit weight :Stress-state :Cohesion of soil :
gtotalcu
=
=
5.50
15.00
kN/m3
kPa Regular Clay 7Unit weight :Stress-state :Cohesion of soil :
gtotalcu
=
=
5.50
13.00
kN/m3
kPa Regular Clay 6Unit weight :Stress-state :Cohesion of soil :
gtotalcu
=
=
5.50
11.00
kN/m3
kPa Regular Clay 5Unit weight :Stress-state :Cohesion of soil :
gtotalcu
=
=
5.50
9.00
kN/m3
kPa Regular Clay 3-4Unit weight :Stress-state :Cohesion of soil :
gtotalcu
=
=
5.50
8.00
kN/m3
kPa Assigning and surfaces
No. Surface position Coordinates of surface points [m]x z x z
Assignedsoil
1
2
36.0030.00
50.0036.0019.50
19.5021.00
17.5019.5017.50
33.0025.50
50.0025.50
21.0019.50
19.5019.50
Rock Fill
Weak Clay 2
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Slope Stability 1 Bishop's1
5[GeoStructural Analysis - Slope Stability | version 5.18.4.0 | Copyright © 2014 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu]
No. Surface position Coordinates of surface points [m]x z x z
Assignedsoil
3
4
5
6
7
50.0019.500.00
50.000.00
50.000.00
50.000.00
50.000.00
15.5017.5016.00
13.5015.50
11.5013.50
9.5011.50
7.509.50
50.0015.000.00
50.000.00
50.000.00
50.000.00
50.000.00
17.5016.0015.50
15.5013.50
13.5011.50
11.509.50
9.507.50
Regular Clay 3-4
Regular Clay 3-4
Regular Clay 5
Regular Clay 6
Regular Clay 7
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Slope Stability 1 Bishop's1
6[GeoStructural Analysis - Slope Stability | version 5.18.4.0 | Copyright © 2014 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu]
No. Surface position Coordinates of surface points [m]x z x z
Assignedsoil
8
9
10
50.000.00
50.000.00
0.0050.00
5.507.50
3.505.50
3.50-31.50
50.000.00
50.000.00
0.0050.00
7.505.50
5.503.50
-31.503.50
Regular Clay 8
Regular Clay 9
Regular Clay 9
WaterWater type : No waterTensile crackTensile crack not inputted.EarthquakeEarthquake not included.Settings of the stage of constructionDesign situation : permanent
Results (Stage of construction 1)Analysis 1 (stage 1)Circular slip surface
Slip surface parameters
Center :x =z =
18.2730.60
[m][m]
Angles :a1 =a2 =
-22.3052.53
[°][°]
Analysis of the slip surface without optimization.
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Slope Stability 1 Bishop's1
7[GeoStructural Analysis - Slope Stability | version 5.18.4.0 | Copyright © 2014 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu]
Slip surface parametersRadius : R = 15.78 [m]
Analysis of the slip surface without optimization.Slope stability verification (Bishop)Sum of active forces :Sum of passive forces :Sliding moment :Resisting moment :
Fa =Fp =Ma =Mp =
94.43162.68
1490.082567.03
kN/mkN/mkNm/mkNm/m
Factor of safety = 1.72 > 1.50Slope stability ACCEPTABLE Input data (Stage of construction 2)Assigning and surfaces
No. Surface position Coordinates of surface points [m]x z x z
Assignedsoil
1
2
3
36.0030.00
50.0036.0019.50
50.0019.500.00
19.5021.00
17.5019.5017.50
15.5017.5016.00
33.0025.50
50.0025.50
50.0015.000.00
21.0019.50
19.5019.50
17.5016.0015.50
Rock Fill
Weak Clay 2
Regular Clay 3-4
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8[GeoStructural Analysis - Slope Stability | version 5.18.4.0 | Copyright © 2014 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu]
No. Surface position Coordinates of surface points [m]x z x z
Assignedsoil
4
5
6
7
8
50.000.00
50.000.00
50.000.00
50.000.00
50.000.00
13.5015.50
11.5013.50
9.5011.50
7.509.50
5.507.50
50.000.00
50.000.00
50.000.00
50.000.00
50.000.00
15.5013.50
13.5011.50
11.509.50
9.507.50
7.505.50
Regular Clay 3-4
Regular Clay 5
Regular Clay 6
Regular Clay 7
Regular Clay 8
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9[GeoStructural Analysis - Slope Stability | version 5.18.4.0 | Copyright © 2014 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu]
No. Surface position Coordinates of surface points [m]x z x z
Assignedsoil
9
10
50.000.00
0.0050.00
3.505.50
3.50-31.50
50.000.00
0.0050.00
5.503.50
-31.503.50
Regular Clay 9
Regular Clay 9
WaterWater type : No waterTensile crackTensile crack not inputted.EarthquakeEarthquake not included.Settings of the stage of constructionDesign situation : permanent
Results (Stage of construction 2)Analysis 1 (stage 2)Circular slip surface
Slip surface parameters
Center :
Radius :
x =z =R =
18.2730.6015.78
[m][m][m]
Angles :a1 =a2 =
-22.3052.53
[°][°]
Specified slip surface.Slope stability verification (Janbu)Analysis has not been performed.Analysis 2 (stage 2)Polygonal slip surface
Coordinates of slip surface points [m]x z x z x z x z x z
12.28 16.00 14.74 15.22 17.28 14.85 19.85 14.90 22.38 15.37Specified slip surface.
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Slope Stability 1 Bishop's1
10[GeoStructural Analysis - Slope Stability | version 5.18.4.0 | Copyright © 2014 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu]
Coordinates of slip surface points [m]x z x z x z x z x z
24.81 16.24 27.05 17.49 29.07 19.09 30.79 21.00Specified slip surface.
Slope stability verification (Janbu)Analysis has not been performed.
Input data (Stage of construction 3)Assigning and surfaces
No. Surface position Coordinates of surface points [m]x z x z
Assignedsoil
1
2
3
4
36.0030.00
50.0036.0019.50
50.0019.500.00
50.000.00
19.5021.00
17.5019.5017.50
15.5017.5016.00
13.5015.50
33.0025.50
50.0025.50
50.0015.000.00
50.000.00
21.0019.50
19.5019.50
17.5016.0015.50
15.5013.50
Rock Fill
Weak Clay 2
Regular Clay 3-4
Regular Clay 3-4
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Slope Stability 1 Bishop's1
11[GeoStructural Analysis - Slope Stability | version 5.18.4.0 | Copyright © 2014 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu]
No. Surface position Coordinates of surface points [m]x z x z
Assignedsoil
5
6
7
8
9
50.000.00
50.000.00
50.000.00
50.000.00
50.000.00
11.5013.50
9.5011.50
7.509.50
5.507.50
3.505.50
50.000.00
50.000.00
50.000.00
50.000.00
50.000.00
13.5011.50
11.509.50
9.507.50
7.505.50
5.503.50
Regular Clay 5
Regular Clay 6
Regular Clay 7
Regular Clay 8
Regular Clay 9
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Slope Stability 1 Bishop's1
12[GeoStructural Analysis - Slope Stability | version 5.18.4.0 | Copyright © 2014 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu]
No. Surface position Coordinates of surface points [m]x z x z
Assignedsoil
10
0.0050.00
3.50-31.50
0.0050.00
-31.503.50
Regular Clay 9
WaterWater type : No waterTensile crackTensile crack not inputted.EarthquakeEarthquake not included.Settings of the stage of constructionDesign situation : permanent
Results (Stage of construction 3)Analysis 1 (stage 3)Circular slip surface
Slip surface parameters
Center :
Radius :
x =z =R =
18.2730.6015.78
[m][m][m]
Angles :a1 =a2 =
-22.3052.53
[°][°]
Specified slip surface.Slope stability verification (Spencer)Analysis has not been performed.Analysis 2 (stage 3)Polygonal slip surface
Coordinates of slip surface points [m]x z x z x z x z x z
12.2824.81
16.0016.24
14.7427.05
15.2217.49
17.2829.07
14.8519.09
19.8530.79
14.9021.00
22.38 15.37
Specified slip surface.
Slope stability verification (Sarma)Analysis has not been performed.
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Slope Stability 1 Bishop's1
13[GeoStructural Analysis - Slope Stability | version 5.18.4.0 | Copyright © 2014 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu]
Input data (Stage of construction 4)Assigning and surfaces
No. Surface position Coordinates of surface points [m]x z x z
Assignedsoil
1
2
3
4
36.0030.00
50.0036.0019.50
50.0019.500.00
50.000.00
19.5021.00
17.5019.5017.50
15.5017.5016.00
13.5015.50
33.0025.50
50.0025.50
50.0015.000.00
50.000.00
21.0019.50
19.5019.50
17.5016.0015.50
15.5013.50
Rock Fill
Weak Clay 2
Regular Clay 3-4
Regular Clay 3-4
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Slope Stability 1 Bishop's1
14[GeoStructural Analysis - Slope Stability | version 5.18.4.0 | Copyright © 2014 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu]
No. Surface position Coordinates of surface points [m]x z x z
Assignedsoil
5
6
7
8
9
50.000.00
50.000.00
50.000.00
50.000.00
50.000.00
11.5013.50
9.5011.50
7.509.50
5.507.50
3.505.50
50.000.00
50.000.00
50.000.00
50.000.00
50.000.00
13.5011.50
11.509.50
9.507.50
7.505.50
5.503.50
Regular Clay 5
Regular Clay 6
Regular Clay 7
Regular Clay 8
Regular Clay 9
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Slope Stability 1 Bishop's1
15[GeoStructural Analysis - Slope Stability | version 5.18.4.0 | Copyright © 2014 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu]
No. Surface position Coordinates of surface points [m]x z x z
Assignedsoil
10
0.0050.00
3.50-31.50
0.0050.00
-31.503.50
Regular Clay 9
WaterWater type : No waterTensile crackTensile crack not inputted.EarthquakeEarthquake not included.Settings of the stage of constructionDesign situation : permanent
Results (Stage of construction 4)Analysis 1 (stage 4)Circular slip surface
Slip surface parameters
Center :
Radius :
x =z =R =
18.8229.3414.64
[m][m][m]
Angles :a1 =a2 =
-24.3355.27
[°][°]
Analysis of the slip surface without optimization.Slope stability verification (all methods)Bishop :Fellenius / Petterson :Spencer :Janbu :Morgenstern-Price :
FS = 1.59 > 1.50FS = 1.54 > 1.50FS = 1.57 > 1.50FS = 1.57 > 1.50FS = 1.59 > 1.50
ACCEPTABLEACCEPTABLEACCEPTABLEACCEPTABLEACCEPTABLE