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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
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ATTACHMENT D2 - THE FUNDÃO TAILINGS DAM …fundaoinvestigation.com/wp-content/uploads/general/PR/en/AttD2.pdf · Fundão Tailings Dam Review Panel Report on the Immediate Causes

Nov 28, 2018

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Page 1: ATTACHMENT D2 - THE FUNDÃO TAILINGS DAM …fundaoinvestigation.com/wp-content/uploads/general/PR/en/AttD2.pdf · Fundão Tailings Dam Review Panel Report on the Immediate Causes

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

Page 2: ATTACHMENT D2 - THE FUNDÃO TAILINGS DAM …fundaoinvestigation.com/wp-content/uploads/general/PR/en/AttD2.pdf · Fundão Tailings Dam Review Panel Report on the Immediate Causes

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

Page 3: ATTACHMENT D2 - THE FUNDÃO TAILINGS DAM …fundaoinvestigation.com/wp-content/uploads/general/PR/en/AttD2.pdf · Fundão Tailings Dam Review Panel Report on the Immediate Causes
Page 4: ATTACHMENT D2 - THE FUNDÃO TAILINGS DAM …fundaoinvestigation.com/wp-content/uploads/general/PR/en/AttD2.pdf · Fundão Tailings Dam Review Panel Report on the Immediate Causes
Page 5: ATTACHMENT D2 - THE FUNDÃO TAILINGS DAM …fundaoinvestigation.com/wp-content/uploads/general/PR/en/AttD2.pdf · Fundão Tailings Dam Review Panel Report on the Immediate Causes

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 %

Page 6: ATTACHMENT D2 - THE FUNDÃO TAILINGS DAM …fundaoinvestigation.com/wp-content/uploads/general/PR/en/AttD2.pdf · Fundão Tailings Dam Review Panel Report on the Immediate Causes

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

Page 7: ATTACHMENT D2 - THE FUNDÃO TAILINGS DAM …fundaoinvestigation.com/wp-content/uploads/general/PR/en/AttD2.pdf · Fundão Tailings Dam Review Panel Report on the Immediate Causes

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

- -

Page 8: ATTACHMENT D2 - THE FUNDÃO TAILINGS DAM …fundaoinvestigation.com/wp-content/uploads/general/PR/en/AttD2.pdf · Fundão Tailings Dam Review Panel Report on the Immediate Causes

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

- -

Page 9: ATTACHMENT D2 - THE FUNDÃO TAILINGS DAM …fundaoinvestigation.com/wp-content/uploads/general/PR/en/AttD2.pdf · Fundão Tailings Dam Review Panel Report on the Immediate Causes

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

- -

Page 10: ATTACHMENT D2 - THE FUNDÃO TAILINGS DAM …fundaoinvestigation.com/wp-content/uploads/general/PR/en/AttD2.pdf · Fundão Tailings Dam Review Panel Report on the Immediate Causes

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

- -

Page 11: ATTACHMENT D2 - THE FUNDÃO TAILINGS DAM …fundaoinvestigation.com/wp-content/uploads/general/PR/en/AttD2.pdf · Fundão Tailings Dam Review Panel Report on the Immediate Causes

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

Page 12: ATTACHMENT D2 - THE FUNDÃO TAILINGS DAM …fundaoinvestigation.com/wp-content/uploads/general/PR/en/AttD2.pdf · Fundão Tailings Dam Review Panel Report on the Immediate Causes

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

Page 13: ATTACHMENT D2 - THE FUNDÃO TAILINGS DAM …fundaoinvestigation.com/wp-content/uploads/general/PR/en/AttD2.pdf · Fundão Tailings Dam Review Panel Report on the Immediate Causes

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

Page 14: ATTACHMENT D2 - THE FUNDÃO TAILINGS DAM …fundaoinvestigation.com/wp-content/uploads/general/PR/en/AttD2.pdf · Fundão Tailings Dam Review Panel Report on the Immediate Causes

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

Page 15: ATTACHMENT D2 - THE FUNDÃO TAILINGS DAM …fundaoinvestigation.com/wp-content/uploads/general/PR/en/AttD2.pdf · Fundão Tailings Dam Review Panel Report on the Immediate Causes

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

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Sand Sand

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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

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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

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KCB note: the sample tested had a specific gravity of 3.04.

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The sample tested had a specific gravity of 3.04.

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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

D2-4 – Particle Size Distribution

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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

D2-5 – pH and Electrical Conductivity

Page 62: ATTACHMENT D2 - THE FUNDÃO TAILINGS DAM …fundaoinvestigation.com/wp-content/uploads/general/PR/en/AttD2.pdf · Fundão Tailings Dam Review Panel Report on the Immediate Causes

Hole Number

Sample Number

Depth (m)

Sample Description

Trial 1 2 3 4 5 Average

pH 8.26 8.21 8.21 8.21 8.21 8.22

EC (µS) 740 730 730 740 730 734

PROJECT#:

PROJECT:

LOCATION:

DATE: 2016-01-02

TESTED BY: JG CHECKED BY: BY

Germano Slimes

As received

-

Silt

pH and EC

Fundão Tailings Dam Review Panel