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ASTM-C618:2012 Edition(Redline)

ASTM-C618:2012 Edition(Redline)

$27.30

C618-12a Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete (Redline)

Published By Publication Date Number of Pages
ASTM 2012 6
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Effectiveness in Controlling Alkali-Silica Reaction: B
Fineness:
Sulfur trioxide (SO 3 ), max,?%

4.0
For high sulfate exposure after 6 months exposure, max, %

0.05
Uniformity requirements:
Percent retained on 45-?m (No. 325), max variation, percentage points from average

5
Autoclave expansion or contraction, max,?%

0.8
Amount retained when wet-sieved on 45 ?m (No. 325) sieve, max,?%

34
Expansion of test mixture:
In addition, when air-entraining concrete is specified, the quantity of air- entraining agent required to produce an air content of 18.0 vol?% of mortar shall not vary from the average established by the ten preceding tests or by all preceding tests if less than ten, by more than,?%

20
Loss on ignition, max,?%

10.0
Density, max variation from average,?%

5
With portland cement, at 7 days, min, percent of control

75 B
Procedure A:
The density and fineness of individual samples shall not vary from the average established by the ten preceding tests, or by all preceding tests if the number is less than ten, by more than:
Moisture content, max,?%

3.0
For moderate sulfate exposure after 6 months exposure, max, %

0.10
Expansion of test mixture as a percentage of sulfate resistance cement control after at least 6 months exposure, max,%

100
With portland cement, at 28 days, min, percent of control

75 B
Expansion of test mixture as percentage of low-alkali cement control, at 14 days, max,?%

100
Effectiveness in Contributing to Sulfate Resistance: C
Soundness: C
Water requirement, max, percent of control

115
Strength activity index: A
Increase of drying shrinkage of mortar bars at 28 days, max, difference, in %, over control A

0.03
Procedure B:
N

F
Silicon dioxide (SiO 2 ) plus aluminum oxide (Al 2 O 3 ) plus iron oxide (Fe 2 O 3 ), min,?%

70.0

Class
ICS Codes 91.100.30 - Concrete and concrete products

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