Post on 31-Oct-2015
7/16/2019 ASTM C - 642
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ASTM C-642 Standard Test Method for
Density, Absorption, and Voids in
Concrete.
VS
ASTM C-1202 Standard Test Methodfor Electrical Indication of Concrete’s
Ability to Resist Chloride Ion
Penetration.
Kansas DOT
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CONCLUSION
THERE APPEARS TO BE SOMECORRELATION BETWEEN 28 DAY
PERMEABLE VOIDS TEST AND 56 DAYRAPID CHLORIDE PENETRATION
TEST.
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HOWEVER
FOUR SETS OF DATA ARE STILLUNAVAILABLE.
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Mix Designs Evaluated
#3 30% LS, 0% Slag, 10% Ash
#4 30% Gr, 0% Slag, 10% Ash
#5 30% Qu, 30% Slag, 0% Ash#6 TMA, 30% Slag, 10% Ash
#7 TMA, 30% Slag, 10% Ash
#8 30% LS, 30% Slag, 10% Ash
#9 30% Gr, 30% Slag, 10% Ash
#10 30% LS, 25% Slag, 15% Ash
#11 55% Qu, 25% Slag, 0% Ash
#12 55% Gr, 25% Slag, 0% Ash
#13 55% Qu, 25% Ash (Type F)#14 30% Gr, 0% Slag, 0% Ash
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SSD
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Old Rapid Chloride Tester
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New Rapid Chloride Tester
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28 Day Perms New Machine for Each Mix Design
0
500
1000
1500
2000
2500
3000
3500
4000
4500
30% LS,
30% Slag,
10% Ash,
25.2%
Paste
30% LS,
0% Slag,
10% Ash,
23.9%
Paste
30% LS,
25% Slag,
15% Ash,
20.1%
Paste
30% Gr,
0% Slag,
0% Ash,
34.7%
Paste
30% Gr,
0% Slag,
10% Ash,
26.9%
Paste
55% Gr,
25% Slag,
0% Ash,
26.2%
Paste
30% Gr,
30% Slag,
10% Ash,
20.8%
Paste
30% Qu,
30% Slag,
0% Ash,
26.9%
Paste
55% Qu,
25% Ash
(Type F),
26.2%
Paste
55% Qu,
25% Slag,
0% Ash,
27.5%
Paste
100% MA,
30% Slag,
10% Ash,
29.6%
Paste
100% MA,
30% Slag,
10% Ash,
20.4%
Paste
2
8 d a y P e r m s
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However
• Testing Not complete
• 4 More sets of data
• 56 day granite mixes
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28 day Perm Voids 56 day Perm Voids
Range Average Range Average
Mix 3 11.8 - 11.9 11.9 11.2 - 11.7 11.5
Mix 5 13.0 - 13.0 13.0 12.2 - 13.3 12.8
Mix 8 12.0 - 12.6 12.3 11.9 - 11.9 11.9
Mix 10 9.5 - 9.5 9.5 9.3 - 10.2 9.8
Mix 11 10.3 - 11.1 10.7 11.1 - 11.5 11.3
Mix 13 10.5 - 11.1 10.8 10.9 - 11.6 11.2
ASTM C-642
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CONCLUSION
THERE APPEARS TO BE SOMECORRELATION BETWEEN 28 DAY
PERMEABLE VOIDS TEST AND 56 DAY
RAPID CHLORIDE PENETRATION
TEST.
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Questions?