Fundão Tailings Dam Review Panel Report on the Immediate Causes of the Failure of the Fundão Dam Appendix D – Laboratory Geotechnical Data and Interpretation August 25, 2016 ATTACHMENT D2 Index Test Data D2-1 Atterberg Limits Tests D2-2 Specific Gravity Tests D2-3 Density Tests D2-4 Particle Size Distribution D2-5 pH and Electrical Conductivity
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Fundão Tailings Dam Review Panel
Report on the Immediate Causes of the Failure of the Fundão Dam Appendix D – Laboratory Geotechnical Data and Interpretation
August 25, 2016
ATTACHMENT D2 Index Test Data
D2-1 Atterberg Limits Tests
D2-2 Specific Gravity Tests
D2-3 Density Tests
D2-4 Particle Size Distribution
D2-5 pH and Electrical Conductivity
Fundão Tailings Dam Review Panel
Report on the Immediate Causes of the Failure of the Fundão DamAppendix D – Laboratory Geotechnical Data and Interpretation
August 25, 2016
D2-1 – Atterberg Limits Tests
1-RECIPIENTE N° CÁLCULO 361 362 362 364 365
2-MASSA DO SOLO + TARA + ÁGUA (g) M1 19.00 18.01 19.08 18.05 18.91
3-MASSA DO SOLO SECO + TARA (g) M2 17.09 16.25 17.05 16.23 16.90
4-ÁGUA M1-M2 1.91 1.76 2.03 1.82 2.01
5-TARA M3 10.17 9.99 9.97 10.04 10.37
6-MASSA DO SOLO SECO (g) M2-M3 6.92 6.26 7.08 6.19 6.53
7-UMIDADE (%) 4 / 6.100 27.6 28.1 28.7 29.4 30.8
8-NÚMERO DE GOLPES 38 28 21 14 8
1-RECIPIENTE N° CÁLCULO 366 367 368
2-MASSA DO SOLO + TARA + ÁGUA (g) M1 12.82 12.94 12.79
3-MASSA DO SOLO SECO + TARA (g) M2 12.43 12.48 12.32
4-ÁGUA M1-M2 0.39 0.46 0.47
5-TARA M3 10.15 9.84 9.60
6-MASSA DO SOLO SECO (g) M2-M3 2.28 2.64 2.72
7-UMIDADE (%) 4 / 6.100 17.1 17.4 17.3
LIMITE DE Cliente : BUREAU DE PROJETOS E CONSULTORIALIQUIDEZ (LL) = 28,4 % LTDA
Obra: BARRAGEM DO GERMANOLIMITE DE Local : MARIANA - MG. Data: Resp.:
PLASTICIDADE (LP) = 17,3 % 2016-02-04 REGINALDO
LIMITES DE ATTERBERG Engº REL. Nº:
ÍNDICE DE LAB-004/16PLASTICIDADE (IP) = 11,1 % VISTO DES. Nº
FURO 2C AM. - PROF. -SEM SECAGEM PRÉVIA
LIMITES DE ATTERBERGLIMITE DE LIQUIDEZ
LIMITE DE PLASTICIDADE
(NBR-6459/84 e 7180/84)
38
28
21
14
8
1
10
100
27 28 29 30 31
NUMERODE
GOLPES
UMIDADE %
Fundão Tailings Dam Review Panel
Report on the Immediate Causes of the Failure of the Fundão DamAppendix D – Laboratory Geotechnical Data and Interpretation
August 25, 2016
D2-2 – Specific Gravity Tests
Hole Number
Sample Number
Depth (m)
Sample Description
Flask No. SG9 SG2 SG10 SG7 SG12 10
Volume of Flask @ 20o C ml 500 500 500 500 500 500
Method of Air removal Boiling Boiling Boiling Boiling Boiling Boiling
De-airing Period hr 2 2 2 2 2 2
Test temperature o C 24.4 24.4 24.4 24.4 24.4 24.4
Mass of Flask+Water (Ma) g 667.79 671.31 669.81 667.63 670.27 679.55
Mass of Flask+Water+Soil (Mb) g 734.08 736.87 735.01 719.50 728.62 746.00
Mass of Dish/Flask+Soil 271.44 273.97 272.28 239.03 250.66 270.64
Mass of Dish/Flask 169.70 173.30 171.94 169.44 172.55 181.55
Mass of Dry Soil (Mo) g 101.74 100.67 100.34 69.59 78.11 89.09
Correction factor (K) @ Test Temperature 0.99899 0.99899 0.99899 0.99899 0.99899 0.99899
Specific Gravity of Solids @ 20o C 2.87 2.86 2.85 3.92 3.95 3.93
Average Specific Gravity of Solids @ 20o C
Hole Number
Sample Number
Depth (m)
Sample Description
Flask No. 11 12
Volume of Flask @ 20o C ml 500 500
Method of Air removal Boiling Boiling
De-airing Period hr 2 2
Test temperature o C 22.5 22.5
Mass of Flask+Water (Ma) g 678.70 680.41
Mass of Flask+Water+Soil (Mb) g 728.54 731.47
Mass of Dish/Flask+Soil 254.83 258.09
Mass of Dish/Flask 180.40 182.12
Mass of Dry Soil (Mo) g 74.43 75.97
Correction factor (K) @ Test Temperature 0.99945 0.99945
Specific Gravity of Solids @ 20o C 3.03 3.05
Average Specific Gravity of Solids @ 20o C
Specific Gravity of Solids @ 20o C = (K x Mo)/(Mo + Ma - Mb)
PROJECT#:PROJECT:LOCATION:DATE: 2016-03-02TESTED BY: JG CHECKED BY: BY
3.04
Fundão Tailings Dam Review Panel
Max - Min Density
-
Sand
Sand Silt
2.86 3.93
PSD1
SPECIFIC GRAVITY OF SOIL SOLIDS (ASTM-D854)
Fundão Sand Germano Slimes
As received As received
- -
Hole Number
Sample Number
Depth (m)
Sample Description
Flask No. SG8 KL-3 SG2 SG3
Volume of Flask @ 20o C ml 500 500 500 500
Method of Air removal Boiling Boiling Boiling Boiling
De-airing Period hr 2 2 2 2
Test temperature o C 24.2 24.2 24.2 24.2
Mass of Flask+Water (Ma) g 670.43 675.67 671.41 672.12
Mass of Flask+Water+Soil (Mb) g 720.09 725.24 721.07 722.51
Mass of Dish/Flask+Soil 247.14 252.01 248.26 250.12
Mass of Dish/Flask 172.41 177.37 173.32 173.95
Mass of Dry Soil (Mo) g 74.73 74.64 74.94 76.17
Correction factor (K) @ Test Temperature 0.99904 0.99904 0.99904 0.99904
Specific Gravity of Solids @ 20o C 2.98 2.97 2.96 2.95
Average Specific Gravity of Solids @ 20o C
Hole Number
Sample Number
Depth (m)
Sample Description
Flask No. SG5 KL2 SG6
Volume of Flask @ 20o C ml 500 500 500
Method of Air removal Boiling Boiling Boiling
De-airing Period hr 2 2 2
Test temperature o C 24.2 23.4 23.4
Mass of Flask+Water (Ma) g 672.01 675.41 670.51
Mass of Flask+Water+Soil (Mb) g 742.00 725.55 719.57
Mass of Dish/Flask+Soil 283.86 252.89 246.52
Mass of Dish/Flask 173.92 177.09 172.20
Mass of Dry Soil (Mo) g 109.94 75.80 74.32
Correction factor (K) @ Test Temperature 0.99904 0.99924 0.99924
Specific Gravity of Solids @ 20o C 2.75 2.95 2.94
Average Specific Gravity of Solids @ 20o C
Specific Gravity of Solids @ 20o C = (K x Mo)/(Mo + Ma - Mb)
PROJECT#:PROJECT:LOCATION:DATE: 2016-03-10TESTED BY: BY CHECKED BY: JG
PSD2 PSD1
2.95
TX3 TX4
-
Fundão Tailings Dam Review Panel
-
Sand Sand
Sand Sand
2.98 2.96
SPECIFIC GRAVITY OF SOIL SOLIDS (ASTM-D854)
PSD1 PSD1
TX 1 TX2
- -
Hole Number
Sample Number
Depth (m)
Sample Description
Flask No. SG9 SG6 SG2 SG3
Volume of Flask @ 20o C ml 500 500 500 500
Method of Air removal Boiling Boiling Boiling Boiling
De-airing Period hr 2 2 2 2
Test temperature o C 23.4 23.4 22.7 22.7
Mass of Flask+Water (Ma) g 667.91 669.91 671.57 672.29
Mass of Flask+Water+Soil (Mb) g 734.09 721.68 720.98 721.85
Mass of Dish/Flask+Soil 273.93 253.49 248.09 248.98
Mass of Dish/Flask 169.71 171.95 173.31 173.96
Mass of Dry Soil (Mo) g 104.22 81.54 74.78 75.02
Correction factor (K) @ Test Temperature 0.99924 0.99924 0.99941 0.99941
Specific Gravity of Solids @ 20o C 2.74 2.74 2.95 2.94
Average Specific Gravity of Solids @ 20o C
Hole Number
Sample Number
Depth (m)
Sample Description
Flask No. SG4 SG5 SG6
Volume of Flask @ 20o C ml 500 500 500
Method of Air removal Boiling Boiling Boiling
De-airing Period hr 2 2 2
Test temperature o C 22.7 22.7 22.7
Mass of Flask+Water (Ma) g 670.76 672.20 670.60
Mass of Flask+Water+Soil (Mb) g 740.69 721.91 720.56
Mass of Dish/Flask+Soil 282.78 249.22 247.86
Mass of Dish/Flask 172.60 173.93 172.21
Mass of Dry Soil (Mo) g 110.18 75.29 75.65
Correction factor (K) @ Test Temperature 0.99941 0.99941 0.99941
Specific Gravity of Solids @ 20o C 2.74 2.94 2.94
Average Specific Gravity of Solids @ 20o C
Specific Gravity of Solids @ 20o C = (K x Mo)/(Mo + Ma - Mb)
PROJECT#:PROJECT:LOCATION:DATE: 2016-03-16TESTED BY: BY CHECKED BY: JG
2.74 2.94
Fundão Tailings Dam Review Panel
TX7 TX8
- -
Sand Sand
Sand Sand
2.74 2.95
PSD2 PSD1
SPECIFIC GRAVITY OF SOIL SOLIDS (ASTM-D854)
PSD2 PSD1
TX5 TX6
- -
Hole Number
Sample Number
Depth (m)
Sample Description
Flask No. SG7 SG8 SG9
Volume of Flask @ 20o C ml 500 500 500
Method of Air removal Boiling Boiling Boiling
De-airing Period hr 2 2 2
Test temperature o C 22.7 22.7 22.7
Mass of Flask+Water (Ma) g 667.84 670.60 667.99
Mass of Flask+Water+Soil (Mb) g 738.01 719.91 717.56
Mass of Dish/Flask+Soil 279.99 246.85 244.82
Mass of Dish/Flask 169.46 172.41 169.71
Mass of Dry Soil (Mo) g 110.53 74.44 75.11
Correction factor (K) @ Test Temperature 0.99941 0.99941 0.99941
Specific Gravity of Solids @ 20o C 2.74 2.96 2.94
Average Specific Gravity of Solids @ 20o C
Hole Number
Sample Number
Depth (m)
Sample Description
Flask No. SG10 SG11 8 KL2
Volume of Flask @ 20o C ml 500 500 500 500
Method of Air removal Boiling Boiling Boiling Boiling
De-airing Period hr 2 2 2 2
Test temperature o C 22.7 22.7 23.4 23.4
Mass of Flask+Water (Ma) g 669.97 670.52 678.64 675.41
Mass of Flask+Water+Soil (Mb) g 719.64 719.70 743.54 729.22
Mass of Dish/Flask+Soil 247.07 246.64 278.78 258.62
Mass of Dish/Flask 171.94 172.22 180.51 177.10
Mass of Dry Soil (Mo) g 75.13 74.42 98.27 81.52
Correction factor (K) @ Test Temperature 0.99941 0.99941 0.99619 0.99619
Specific Gravity of Solids @ 20o C 2.95 2.95 2.93 2.93
Average Specific Gravity of Solids @ 20o C
Specific Gravity of Solids @ 20o C = (K x Mo)/(Mo + Ma - Mb)
PROJECT#:PROJECT:LOCATION:DATE: 2016-04-08TESTED BY: BY CHECKED BY: JG
2.95 2.93
Fundão Tailings Dam Review Panel
TX11 TX12
- -
Sand Sand
Sand Sand
2.74 2.95
PSD1 PSD1
SPECIFIC GRAVITY OF SOIL SOLIDS (ASTM-D854)
PSD2 PSD1
TX9 TX10
- -
Hole Number
Sample Number
Depth (m)
Sample Description
Flask No. SG6 SG4 KL3 1
Volume of Flask @ 20o C ml 500 500 500 500
Method of Air removal Boiling Boiling Boiling Boiling
De-airing Period hr 2 2 2 2
Test temperature o C 23.4 23.4 23.4 23.4
Mass of Flask+Water (Ma) g 670.52 670.68 675.77 667.21
Mass of Flask+Water+Soil (Mb) g 739.62 720.31 731.90 729.53
Mass of Dish/Flask+Soil 276.89 247.85 262.51 263.41
Mass of Dish/Flask 172.22 172.59 177.38 168.82
Mass of Dry Soil (Mo) g 104.67 75.26 85.13 94.59
Correction factor (K) @ Test Temperature 0.99619 0.99619 0.99619 0.99619
Specific Gravity of Solids @ 20o C 2.93 2.93 2.92 2.92
Average Specific Gravity of Solids @ 20o C
Hole Number
Sample Number
Depth (m)
Sample Description
Flask No. 10 SG12 SG10 SG3
Volume of Flask @ 20o C ml 500 500 500 500
Method of Air removal Boiling Boiling Boiling Boiling
De-airing Period hr 2 2 2 2
Test temperature o C 23.4 23.4 23.0 23.0
Mass of Flask+Water (Ma) g 679.72 670.58 669.95 672.26
Mass of Flask+Water+Soil (Mb) g 739.22 729.75 726.36 734.54
Mass of Dish/Flask+Soil 271.67 262.31 257.41 268.57
Mass of Dish/Flask 181.57 172.56 171.96 173.97
Mass of Dry Soil (Mo) g 90.10 89.75 85.45 94.60
Correction factor (K) @ Test Temperature 0.99619 0.99619 0.99933 0.99933
Specific Gravity of Solids @ 20o C 2.93 2.92 2.94 2.93
Average Specific Gravity of Solids @ 20o C
Specific Gravity of Solids @ 20o C = (K x Mo)/(Mo + Ma - Mb)
PROJECT#:PROJECT:LOCATION:DATE: 2016-04-16TESTED BY: BY CHECKED BY: JG
SPECIFIC GRAVITY OF SOIL SOLIDS (ASTM-D854)
PSD1 PSD1
TX13 TX14
- -
Sand Sand
2.93 2.92
PSD1 PSD1
2.93 2.93
Fundão Tailings Dam Review Panel
TX15 TX16
- -
Sand Sand
Hole Number
Sample Number
Depth (m)
Sample Description
Flask No. SG9 SG2 12 SG8
Volume of Flask @ 20o C ml 500 500 500 500
Method of Air removal Boiling Boiling Boiling Boiling
De-airing Period hr 2 2 2 2
Test temperature o C 23.0 23.0 23.0 23.0
Mass of Flask+Water (Ma) g 667.95 671.54 680.36 670.57
Mass of Flask+Water+Soil (Mb) g 727.92 730.22 738.63 730.68
Mass of Dish/Flask+Soil 260.49 262.17 270.61 263.69
Mass of Dish/Flask 169.70 173.32 182.14 172.42
Mass of Dry Soil (Mo) g 90.79 88.85 88.47 91.27
Correction factor (K) @ Test Temperature 0.99933 0.99933 0.99933 0.99941
Specific Gravity of Solids @ 20o C 2.94 2.94 2.93 2.93
Average Specific Gravity of Solids @ 20o C
Hole Number
Sample Number
Depth (m)
Sample Description
Flask No. SG7 11 10 1
Volume of Flask @ 20o C ml 500 500 500 500
Method of Air removal Boiling Boiling Boiling Boiling
De-airing Period hr 2 2 2 2
Test temperature o C 23.0 23.0 22.4 22.4
Mass of Flask+Water (Ma) g 667.80 678.65 679.83 667.31
Mass of Flask+Water+Soil (Mb) g 726.49 740.83 753.48 728.72
Mass of Dish/Flask+Soil 256.63 272.94 291.00 260.08
Mass of Dish/Flask 169.46 180.40 181.55 168.81
Mass of Dry Soil (Mo) g 87.17 92.54 109.45 91.27
Correction factor (K) @ Test Temperature 0.99933 0.99933 0.99944 0.99944
Specific Gravity of Solids @ 20o C 3.06 3.05 3.06 3.05
Average Specific Gravity of Solids @ 20o C
Specific Gravity of Solids @ 20o C = (K x Mo)/(Mo + Ma - Mb)
PROJECT#:PROJECT:LOCATION:DATE: 2016-05-16TESTED BY: BY CHECKED BY: JG
SPECIFIC GRAVITY OF SOIL SOLIDS (ASTM-D854)
PSD1 PSD1
TX17 TX18
- -
Sand Sand
2.94 2.93
PSD1 PSD1
3.05 3.06
Fundão Tailings Dam Review Panel
TX19 TX20B
- -
Sand Sand
Hole Number
Sample Number
Depth (m)
Sample Description
Flask No. SG10 SG12 SG6 SG7
Volume of Flask @ 20o C ml 500 500 500 500
Method of Air removal Boiling Boiling Boiling Boiling
De-airing Period hr 2 2 2 2
Test temperature o C 23.0 23.0 23.3 23.3
Mass of Flask+Water (Ma) g 669.95 670.62 670.53 667.77
Mass of Flask+Water+Soil (Mb) g 720.17 720.88 721.90 718.53
Mass of Dish/Flask+Soil 246.80 247.56 248.64 244.96
Mass of Dish/Flask 171.95 172.56 172.20 169.46
Mass of Dry Soil (Mo) g 74.85 75.00 76.44 75.50
Correction factor (K) @ Test Temperature 0.99933 0.99933 0.99933 0.99933
Specific Gravity of Solids @ 20o C 3.04 3.03 3.05 3.05
Average Specific Gravity of Solids @ 20o C
Hole Number
Sample Number
Depth (m)
Sample Description
Flask No. SG8 SG9 SG2 SG3
Volume of Flask @ 20o C ml 500 500 500 500
Method of Air removal Boiling Boiling Boiling Boiling
De-airing Period hr 2 2 2 2
Test temperature o C 23.3 23.3 23.2 23.2
Mass of Flask+Water (Ma) g 670.54 667.92 671.52 672.24
Mass of Flask+Water+Soil (Mb) g 720.61 718.19 722.70 722.97
Mass of Dish/Flask+Soil 247.19 245.10 248.89 249.89
Mass of Dish/Flask 172.41 169.70 172.41 173.96
Mass of Dry Soil (Mo) g 74.78 75.40 76.48 75.93
Correction factor (K) @ Test Temperature 0.99933 0.99933 0.99933 0.99933
Specific Gravity of Solids @ 20o C 3.02 3.00 3.02 3.01
Average Specific Gravity of Solids @ 20o C
Specific Gravity of Solids @ 20o C = (K x Mo)/(Mo + Ma - Mb)
PROJECT#:PROJECT:LOCATION:DATE: 2016-04-16TESTED BY: BY CHECKED BY: JG
SPECIFIC GRAVITY OF SOIL SOLIDS (ASTM-D854)
PSD1 PSD1
TX21 TX22
- -
Sand Sand
3.03 3.05
PSD1 PSD1
3.01 3.02
Fundão Tailings Dam Review Panel
TX23 TX24
- -
Sand Sand
Hole Number
Sample Number
Depth (m)
Sample Description
Flask No. KL2 KL3 8 10
Volume of Flask @ 20o C ml 500 500 500 500
Method of Air removal Boiling Boiling Boiling Boiling
De-airing Period hr 2 2 2 2
Test temperature o C 22.5 22.5 22.5 22.5
Mass of Flask+Water (Ma) g 675.52 675.87 678.72 679.81
Mass of Flask+Water+Soil (Mb) g 726.44 727.16 729.74 730.66
Mass of Dish/Flask+Soil 252.68 253.66 256.08 257.01
Mass of Dish/Flask 177.10 177.37 180.50 181.56
Mass of Dry Soil (Mo) g 75.58 76.29 75.58 75.45
Correction factor (K) @ Test Temperature 0.99945 0.99945 0.99945 0.99945
Specific Gravity of Solids @ 20o C 3.06 3.05 3.08 3.07
Average Specific Gravity of Solids @ 20o C
Hole Number
Sample Number
Depth (m)
Sample Description
Flask No. SG2 SG3 SG6 SG7
Volume of Flask @ 20o C ml 500 500 500 500
Method of Air removal Boiling Boiling Boiling Boiling
De-airing Period hr 2 2 2 2
Test temperature o C 22.2 22.2 22.2 22.2
Mass of Flask+Water (Ma) g 671.63 672.34 670.64 667.89
Mass of Flask+Water+Soil (Mb) g 722.25 723.35 720.89 718.41
Mass of Dish/Flask+Soil 248.42 249.69 246.70 244.38
Mass of Dish/Flask 173.32 173.96 172.20 169.46
Mass of Dry Soil (Mo) g 75.10 75.73 74.50 74.92
Correction factor (K) @ Test Temperature 0.99952 0.99952 0.99952 0.99952
Specific Gravity of Solids @ 20o C 3.07 3.06 3.07 3.07
Average Specific Gravity of Solids @ 20o C
Specific Gravity of Solids @ 20o C = (K x Mo)/(Mo + Ma - Mb)
PROJECT#:PROJECT:LOCATION:DATE: 2016-04-16TESTED BY: BY CHECKED BY: JG
SPECIFIC GRAVITY OF SOIL SOLIDS (ASTM-D854)
PSD1 PSD1
TX25 TX26
- -
Sand Sand
3.06 3.07
PSD1 PSD1
3.06 3.07
Fundão Tailings Dam Review Panel
TX27 TX28
- -
Sand Sand
Hole Number
Sample Number
Depth (m)
Sample Description
Flask No. SG2 SG3 SG6 SG7
Volume of Flask @ 20o C ml 500 500 500 500
Method of Air removal Boiling Boiling Boiling Boiling
De-airing Period hr 2 2 2 2
Test temperature o C 22.8 22.8 22.8 22.8
Mass of Flask+Water (Ma) g 671.55 672.38 670.58 667.82
Mass of Flask+Water+Soil (Mb) g 721.74 723.15 720.73 717.82
Mass of Dish/Flask+Soil 247.98 249.37 246.75 243.90
Mass of Dish/Flask 173.30 173.96 172.20 169.46
Mass of Dry Soil (Mo) g 74.68 75.41 74.55 74.44
Correction factor (K) @ Test Temperature 0.99938 0.99938 0.99938 0.99938
Specific Gravity of Solids @ 20o C 3.05 3.06 3.05 3.04
Average Specific Gravity of Solids @ 20o C
Hole Number
Sample Number
Depth (m)
Sample Description
Flask No. KL2 KL3 SG10 SG12
Volume of Flask @ 20o C ml 500 500 500 500
Method of Air removal Boiling Boiling Boiling Boiling
De-airing Period hr 2 2 2 2
Test temperature o C 22.8 22.8 22.8 22.8
Mass of Flask+Water (Ma) g 675.48 675.83 669.97 670.65
Mass of Flask+Water+Soil (Mb) g 726.50 726.33 720.08 721.39
Mass of Dish/Flask+Soil 252.94 252.36 246.52 247.97
Mass of Dish/Flask 177.09 177.37 171.95 172.56
Mass of Dry Soil (Mo) g 75.85 74.99 74.57 75.41
Correction factor (K) @ Test Temperature 0.99938 0.99938 0.99938 0.99938
Specific Gravity of Solids @ 20o C 3.05 3.06 3.05 3.05
Average Specific Gravity of Solids @ 20o C
Specific Gravity of Solids @ 20o C = (K x Mo)/(Mo + Ma - Mb)
PROJECT#:PROJECT:LOCATION:DATE: 2016-07-12TESTED BY: NG CHECKED BY: JG
SPECIFIC GRAVITY OF SOIL SOLIDS (ASTM-D854)
PSD1 PSD1
TX29 TX30
- -
Sand Sand
3.05 3.05
PSD1 PSD1
3.06 3.05
Fundão Tailings Dam Review Panel
TX31 TX32
- -
Sand Sand
Sample
Flask No. 1 2
Method of Air removal Boiling Boiling
Test temperature o C 20.0 20.0
Mass of Flask+Water (Ma) g 343.53 342.32
Mass of Flask+Water+Soil (Mb) g 398.64 410.57
Mass of Dish/Flask+Soil 169.62 184.12
Mass of Dish/Flask 95.69 92.46
Mass of Dry Soil (Mo) g 73.93 91.66
Volume of solid displaced 18.82 23.41
Correction factor (K) @ Test Temperature 1.00000 1.00000
Specific Gravity of Solids @ 20o C 3.928 3.915
Average Specific Gravity of Solids @ 20o C
Sample No.
Flask No.
Method of Air removal
Test temperature o CMass of Flask+Water (Ma) g
Mass of Flask+Water+Soil (Mb) g
Mass of Dish/Flask+Soil
Mass of Dish/Flask
Mass of Dry Soil (Mo) g
Volume of solid displaced
Correction factor (K) @ Test Temperature
Specific Gravity of Solids @ 20o C
Average Specific Gravity of Solids @ 20o C
Specific Gravity of Solids @ 20o C = (K x Mo)/(Mo + Ma - Mb)
Client: Project Name: Fundão Tailings Dam Review PanelProject No.: Date: 2016-03-18Tested By: Vaclav K Checked By: Shamim Ahsan
SPECIFIC GRAVITY OF SOIL SOLIDS
(ASTM-D854)
3.922
Slimes
Fundão Tailings Dam Review Panel
Report on the Immediate Causes of the Failure of the Fundão DamAppendix D – Laboratory Geotechnical Data and Interpretation
August 25, 2016
D2-3 – Density Tests
KCB note: the sample tested had a specific gravity of 3.04.
The sample tested had a specific gravity of 3.04.
Fundão Tailings Dam Review Panel
Report on the Immediate Causes of the Failure of the Fundão DamAppendix D – Laboratory Geotechnical Data and Interpretation