UNB CORROSION BLOCKS

Early Program
Details of Specimens Made Prior to 2000
Reinforcement Corrosion Testing Program
Reinforcement Corrosion Testing Program (continued)

New Program
The Dimensional Characteristics of Specimens, Arrangement of Rebars and Special Features
Table of Independent Variables (factors) to Be Iinvestigated Using the Specimens Cast in 2000
Mix Proportions for 2000 Mixtures
Mix Proportions for 2000 Mixtures (continued)

Corrosion Condition

Icorr < 0.1 mA Passive(P)
0.1 < Icorr < 0.5 mA Low to Moderate (L - M)
Icorr = 0.5 mA Moderate (M)
0.5 < Icorr <= 1.0 mA Moderate to high (M - H)
Icorr > 1.0 mA high (H)

Early Program
Details of Specimens Made Prior to 2000

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Reinforcement Corrosion Testing Program (Corrosion Condition)

Specimen

Placed

 

crack

Corrosion

1998

 

1999

 

Number

on

w/c

width (mm)

Protection

(mA/cm2)

Cond.

(mA/cm2)

Cond.

267a.

96/10

0.4

0.4

nil

1.28

H

2.22

H

267b.

96/10

0.4

0.4

nil

1.78

H

1.13

H

272a.

96/10

0.6

0.4

nil

4.73

H

---

H

272b.

96/10

0.6

0.4

nil

4.32

H

---

H

284a.

96/10

0.5

0.4

nil

3.98

H

1.13

H

284b.

96/10

0.5

0.4

nil

2.75

H

3.57

H

289a.

96/10

0.3

0.4

nil

0.88

M - H

2.29

H

289b.

96/10

0.3

0.4

nil

3.20

H

2.59

H

294a.

96/10

0.25

0.4

nil

2.47

H

5.31

H

294b.

96/10

0.25

0.4

nil

2.95

H

2.66

H

300a.

97/04

0.3

0.1

nil

1.19

H

1.81

H

300b.

97/04

0.3

0.1

nil

1.47

H

0.74

M - H

305a.

97/04

0.3

0.2

nil

8.04

H

2.65

H

305b.

97/04

0.3

0.2

nil

2.58

H

2.33

H

311a.

97/04

0.3

0.3

nil

1.40

H

0.81

M - H

311b.

97/04

0.3

0.3

nil

1.72

H

0.45

L - M

317a.

97/04

0.4

0.3

nil

2.15

H

2.09

H

317b.

97/04

0.4

0.3

nil

2.27

H

1.74

H

323a.

97/04

0.4

0.1

nil

0.71

M - H

0.36

L - M

323b.

97/04

0.4

0.1

nil

1.63

H

1.03

H

329a.

97/04

0.4

0.2

nil

3.54

H

1.46

H

329b.

97/04

0.4

0.2

nil

2.93

H

1.66

H

335a.

97/04

0.6

0.3

nil

2.56

H

2.70

H

335b.

97/04

0.6

0.3

nil

1.85

H

1.99

H

341a.

97/04

0.6

0.1

nil

1.09

H

0.99

M - H

341b.

97/04

0.6

0.1

nil

1.37

H

2.50

H

347a.

97/04

0.6

0.2

nil

1.89

H

1.61

H

347b.

97/04

0.6

0.2

nil

1.84

H

0.69

M - H

353a.

97/04

0.5

0.2

nil

2.07

H

2.59

H

353b.

97/04

0.5

0.2

nil

1.75

H

2.75

H

359a.

97/04

0.5

0.1

nil

2.10

H

5.67

H

359b.

97/04

0.5

0.1

nil

2.09

H

6.56

H

365a.

97/04

0.5

0.3

nil

2.08

H

1.78

H

365b.

97/04

0.5

0.3

nil

1.77

H

2.72

H

369a.

97/04

0.4

0.2

25 L DCI

1.67

H

1.55

H

369b.

97/04

0.4

0.2

25 L DCI

1.03

H

0.79

M - H

377a.

97/04

0.4

0.3

25 L DCI

1.86

H

1.51

H

377b.

97/04

0.4

0.3

25 L DCI

2.16

H

0.77

M - H

383a.

97/04

0.4

0.1

25 L DCI

1.55

H

1.00

M - H

383b.

97/04

0.4

0.1

25 L DCI

1.13

H

0.99

M - H

389a.

97/04

0.25

0.2

nil

1.01

H

1.54

H

389b.

97/04

0.25

0.2

nil

2.52

H

2.68

H

395a.

97/04

0.25

0.1

nil

2.62

H

1.13

H

395b.

97/04

0.25

0.1

nil

2.04

H

1.06

H

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Reinforcement Corrosion Testing Program (Corrosion Condition continued)

Specimen

Placed

 

crack

Corrosion

1998

 

1999

 

Number

on

w/c

width (mm)

Protection

(mA/cm2)

Cond.

(mA/cm2)

Cond.

401a.

97/07

0.4

0.4

25 L DCI

3.57

H

2.25

H

401b.

97/07

0.4

0.4

25 L DCI

1.86

H

1.86

H

403a.

97/07

0.4

0.4

25 L DCI

3.36

H

2.62

H

403b.

97/07

0.4

0.4

25 L DCI

3.23

H

2.35

H

412a.

97/07

0.4

uncracked

2.1 L MCI

3.17

H

12.80

H

412b.

97/07

0.4

uncracked

2.1 L MCI

0.90

M - H

5.00

H

417a.

97/07

0.4

uncracked

2.1 L MCI

0.52

M - H

7.58

H

417b.

97/07

0.4

uncracked

2.1 L MCI

1.72

H

9.34

H

442a.

97/07

0.4

0.4

nil

1.21

H

---

---

442b.

97/07

0.4

0.4

nil

1.34

H

---

---

447a.

97/07

0.4

0.2

5 L RH222

1.18

H

1.70

H

447b.

97/07

0.4

0.2

5 L RH222

1.46

H

1.34

H

452a.

97/07

0.4

0.4

5 L RH222

2.68

H

1.68

H

452b.

97/07

0.4

0.4

5 L RH222

1.95

H

2.20

H

456a.

97/11

0.4

0.4

nil

0.73

M - H

2.32

H

456b.

97/11

0.4

0.4

nil

0.92

M - H

2.14

H

460a.

97/11

0.4

uncracked

nil

---

H

0.64

M - H

460b.

97/11

0.4

uncracked

nil

---

H

0.34

L - M

464a.

97/11

0.4

0.2

nil

0.56

M - H

2.36

H

464b.

97/11

0.4

0.2

nil

0.78

M - H

1.77

H

468a.

97/11

0.4

0.3

nil

0.00

P

0.04

P

468b.

97/11

0.4

0.3

nil

0.90

M - H

2.10

H

472a.

97/11

0.4

0.3

nil

0.90

M - H

1.50

H

472b.

97/11

0.4

0.3

nil

0.27

L - M

1.26

H

476a.

97/11

0.4

0.1

nil

---

H

1.36

H

476b.

97/11

0.4

0.1

nil

---

H

2.60

H

483a.

98/04

0.3

uncracked

nil

0.08

P

0.11

L - M

483b.

98/04

0.3

uncracked

nil

0.03

P

0.14

L - M

495a.

98/04

0.6

uncracked

nil

---

H

4.14

H

495b.

98/04

0.6

uncracked

nil

---

H

1.41

H

501a.

98/04

0.5

uncracked

nil

---

H

0.70

M - H

501b.

98/04

0.5

uncracked

nil

---

H

0.67

M - H

506a.

98/04

0.4

uncracked

nil

0.12

L - M

---

---

506b.

98/04

0.4

uncracked

nil

0.10

L - M

---

---

507a.

98/04

0.4

uncracked

25 L DCI

0.31

L - M

0.26

L - M

507b.

98/04

0.4

uncracked

25 L DCI

0.07

P

0.19

L - M

513a.

98/04

0.4

uncracked

25 L DCI

---

H

0.38

L - M

513b.

98/04

0.4

uncracked

25 L DCI

---

H

0.42

L - M

d3.

90/07

0.6

uncracked

nil

14.22

H

9.80

H

d7.

90/07

0.6

uncracked

0% D Epoxy

0.00

P

0.00

P

d8.

90/07

0.6

uncracked

1% D Epoxy

0.07

P

0.00

P

e3.

90/07

0.6

uncracked

nil

0.00

P

---

---

e7.

90/07

0.6

uncracked

0% D Epoxy

0.16

L - M

0.31

L - M

e8.

90/07

0.6

uncracked

1% D Epoxy

1.24

H

1.95

H

f7.

90/07

0.6

uncracked

0% D Epoxy

0.00

P

0.00

P

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New Program

The Dimensional Characteristics of Specimens, Arrangement of Rebars and Special Features

Table of Independent Variables (Factors) to Be Iinvestigated Using the Specimens Cast in 2000

Factors (k)

No. of levels

Description

Crack width, A

3

0.3, 0.4 and 0.5 mm

Water/cement ratio, B

3

0.25, 0.35 and 0.45

Fly Ash content, C

3

0, 20 and 40%

Corrosion Inhibitor, D

3

15, 20 and 25 L/m3

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Mix Proportions (kg/m3) for 2000 mixtures

Specimen #

 

T1-T3 & M1-M3

T4-T6 & M4-M6

T7-T9 & M7-M9

T10-T12 & M10-M12

T13-T15 & M10-M12

T16-T18 & M16-M18

Mix #

 

mix 1

mix 2

mix 3

mix 4

mix 5

mix 6

 

 

1st. Half

2nd Half

1st. Half

2nd Half

1st. Half

2nd Half

1st. Half

2nd Half

1st. Half

2nd Half

1st. Half

2nd Half

Fly Ash

kg

0

0

0

0

0

0

91

91

91

91

91

91

Cement+SF

kg

548

548

548

548

548

548

440

440

440

440

440

440

CA

kg

1040

1040

1040

1040

1040

1040

1037

1037

1037

1037

1037

1037

FA

kg

688

688

688

688

688

688

691

691

691

691

691

691

Water

kg

133

133

124

124

114

114

132

132

123

123

113

113

DAREX II

ml

559

625

1425

1425

1875

1875

1094

1094

1563

1563

1875

1875

ADVA 100

ml

2869

2869

2869

2869

2869

2869

2297

2297

2297

1578

2297

1422

DARATAR HC

ml

1097

1097

1097

1097

1097

1097

1097

1097

1097

1097

1097

1097

DCI-S

ml

0

0

11956

11956

23913

23913

0

0

11956

11956

23913

23913

w/c

 

0.28

0.28

0.29

0.29

0.29

0.29

0.29

0.29

0.29

0.29

0.29

0.29

% Fly Ash (Vol)

 

0

0

0

0

0

0

20

20

20

20

20

20

Air

%

4

3

8

3

6

3

5

7

6

8

6

8

Slump

mm.

114

216

178

140

191

203

229

127

229

146

229

102


Specimen #

 

T19-T21 & M19-M21

T22-T24 & M22-M24

T25-T27 & M25-M27

Mix #

 

mix 7

mix 8

mix 9

 

 

1st. Half

2nd Half

1st. Half

2nd Half

1st. Half

2nd Half

Fly Ash

kg

184

184

184

184

184

184

Cement+SF

kg

331

331

331

331

331

331

CA

kg

1032

1032

1032

1032

1032

1032

FA

kg

696

696

696

696

696

696

Water

kg

130

130

120

120

111

111

DAREX II

ml

1094

1094

1250

1250

1094

1094

ADVA 100

ml

878

878

925

1034

1034

941

DARATAR HC

ml

1097

1097

1097

1097

1097

1097

DCI-S

ml

0

0

11956

11956

23913

23913

w/c

 

0.29

0.29

0.29

0.29

0.29

0.29

% Fly Ash (Vol)

 

40

40

40

40

40

40

Air

%

8

7

8

7

7

7

Slump

mm.

127

102

127

133

178

140


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Mix Proportions (kg/m3) for 2000 mixtures (continued)

Specimen #

 

T28-T30 & M28-M30

T31-T33 & M-M33

T34-T36 & M34-M36

T37-T39 & M37-M39

T40-T42 & M40-M42

T43-T45 & M43-M45

Mix #

 

mix 10

mix 11

mix 12

mix 13

mix 14

mix 15

 

 

1st. Half

2nd Half

1st. Half

2nd Half

1st. Half

2nd Half

1st. Half

2nd Half

1st. Half

2nd Half

1st. Half

2nd Half

Fly Ash

kg

0

0

0

0

0

0

78

78

78

78

78

78

Cement+SF

kg

467

467

467

467

467

467

375

375

375

375

375

375

CA

kg

1058

1064

1058

1064

1058

1064

1064

1053

1064

1053

1064

1053

FA

kg

765

768

765

768

765

768

768

770

768

770

768

770

Water

kg

147

138

138

129

128

119

133

142

124

133

114

124

DAREX II

ml

625

625

594

781

625

625

938

781

781

625

625

938

ADVA 100

ml

1250

1906

1063

1563

938

1313

1125

672

984

1031

875

734

DARATAR HC

ml

1097

1097

1097

1097

1097

1097

1097

1097

1097

0

1097

0

DCI-S

ml

0

0

11956

11956

23913

23913

0

0

11956

11956

23913

23913

w/c

 

0.37

0.37

0.37

0.37

0.37

0.37

0.37

0.37

0.37

0.37

0.37

0.37

% Fly Ash (Vol)

 

0

0

0

0

0

0

20

20

20

20

20

20

Air

%

8

6

6

6

6

6

8

8

8

6

7

8

Slump

mm

152

140

140

203

152

140

114

102

152

102

140

127


Specimen #

 

T73-T75 & M73-M75

T76-T78 & M76-M78

T79-T81 & M79-M81

Mix #

 

mix 25

mix 26

mix 27

 

 

1st. Half

2nd Half

1st. Half

2nd Half

1st. Half

2nd Half

Fly Ash

kg

141

141

141

141

141

141

Cement+SF

kg

251

251

251

251

251

251

CA

kg

1053

1058

1053

1058

1053

1058

FA

kg

805

800

805

800

805

800

Water

kg

151

151

142

141

132

132

DAREX II

ml

313

375

469

375

156

188

ADVA 100

ml

625

219

0

0

0

0

DARATAR HC

ml

0

0

0

0

0

0

DCI-S

ml

0

0

11956

11956

23913

23913

w/c

 

0.45

0.45

0.45

0.45

0.45

0.45

% Fly Ash (Vol)

 

40

40

40

40

40

40

Air

%

7

7

8

6

7

5

Slump

mm

108

102

127

140

178

191

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