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UNCONFINED COMPRESSIVE
STRENGTH MEASUREMENTS
PennzSupress® D
Laboratory Testing
Amarillo Area Caliche
LAW Project No. 60133-6-5352
December 19,1996
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Sieve Analysis ASTM C136
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Control
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PennzSuppress®
Treated Samples
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| % Passing No. 1 3/4" |
100
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n/a
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| % Passing No. 1 1/2" |
100
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n/a
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| % Passing No. 1" |
100
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n/a
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| % Passing No. 3/4" |
100
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n/a
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| % Passing No. 1/2" |
80.4
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n/a
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| % Passing No. 3/8" |
74.6
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n/a
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| % Passing No. 4 |
60.9
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n/a
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| % Passing No. 8 |
51.8
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n/a
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| % Passing No. 10 |
50.6
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n/a
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| % Passing No. 40 |
35.8
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n/a
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| % Passing No. 80 |
26.2
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n/a
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| % Passing No. 100 |
23.0
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n/a
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| % Passing No. 200 |
13.7
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n/a
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Proctor Test ASTM D1557-78D
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Control
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PennzSuppress®
Treated Samples
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| Maximum Dry Density, pcf |
115.1
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116.3
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| Optimum Moisture Content, % |
13.4
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12.2
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Plasticity Index, ASTM 4318
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Control
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PennzSuppress®
Treated Samples
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16
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n/a
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Unconfined Compressive
Strength (psi), ASTM D1663
All Samples Cured for 7-Days at 40 Degrees C
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Application Rate
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Individual Strength (psi)
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Average Strength (psi)
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Control
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480
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Control
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575
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530
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| 4:1 dilution; 1.0 gals./sq. yd. |
1075
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| 4:1 dilution; 1.0 gals./sq. yd. |
1155
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1115
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| 2:1 dilution; 1.5 gals./sq. yd. |
1010
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| 2:1 dilution; 1.5 gals./sq. yd. |
1040
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1025
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| 4:1 dilution; 1.5 gals./sq. yd. |
995
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| 4:1 dilution; 1.5 gals./sq. yd. |
930
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965
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