New Ulm Quartzite Quarries

3/8" Coarse
(3/8" x #4)
[Quality]


NUMBER OF TESTS PERFORMED: 13
DATE OF LAST TEST: 06/23/2008

Gradation
SIEVES (mm) MNDot Spec
Limits
MNDot Spec
Median
NUQQ Running Avg. Standard Deviation about Running Avg. NUQQ Gradation
Target Band
% of tests inside of
Target Band
0.375"
(9.5)
100% 100% 99.2% 0.7% 99% - % 46.2%
0.250"
(6.35)
85% - 100% 92.5% 48.6% 17.2% 31% - 66% 53.8%
#4
(4.75)
10% - 40% 25.0% 10.5% 7.3% 3% -18% 69.2%
#8
(2.36)
0% - 10% 5.0% 1.4% 1.2% 0% - 3% 84.6%
#200
(0.075)
0% - 5% 2.5% .7% 0.4% 0% - 1% 76.9%

Product uses include concrete aggregate; asphaltic seal coating, (MNDOT FA-3 Mod. Coarse); decorative and precast concrete products; and landscape rock.

Values indicate the percent by weight passing square opening sieves.

DISCLAIMER: The gradation and mechanical test results included in this report are for information only. New Ulm Quartzite Quarries, Inc. makes no representation or warranties either expressed or implied with respect to the use of this information. New Ulm Quartzite Quarries, Inc. assumes no liability to anyone for special, collateral, exemplary, indirect, incidental, consequential, or any other kind of damage resulting from the use or application of this information. Customers and other users of our products should exercise their independent judgment when using these products for the purposes they intend.

 

General Quality
Quality Parameters NUQQ Running Avg. MNDot Spec Limits Note
L.A.R. Abrasion Loss (A.S.T.M. C131-89): < 35.0% 40% Max. Toughness
Magnesium Sulfate Loss
(A.S.T.M. C88-90 - 5 Cycles):
4.8% N/A Soundness
Friable Particles, (A.S.T.M. C142-78): 0.1% N/A Soft Particles
Specific Gravity, (A.S.T.M. C127-88): 2.627 N/A Bulk/Apparent/SSD
Absorption in Bulk Sample, (A.S.T.M. C126): < 0.35% N/A Porosity
Loose Weight: 86.70 N/A Dry Rodded/Loose
Voids in Loose Aggregate, (A.S.T.M. C29): 53.2% N/A Dry Rodded/Loose

200 Mesh, (75 Micron),
Material, (A.S.T.M. C117-90):

0.68% 1.0% Max. Surface Dust

Median Size:

0.140 N/A Inches
Average Least Dim.: 0.102 N/A Inches
Flakiness Index: 18.3% 30.0% Max. Particle Shape
Suggested Aggregate Application
Rate for Seal Coat:
11.0 N/A Lbs./Sq. Yd.
A.S.R. Expansion,
(A.S.T.M. C-1293 @ 365 Days W/O Mitigators)
0.123% - A.S.R. Reactivity
A.S.R. Expansion,
(A.S.T.M. C-1293 @ 365 Days W/ 25% "Coal Creek" FA Replacement)
0.027% 0.04% Max. A.S.R. Reactivity
A.S.R. Expansion,
(A.S.T.M. C-1260 @ 14 Days W/O Mitigators)
0.080% - A.S.R. Reactivity

Quartzite aggregates contain no shale, iron oxide, slate, unsound chert or clay balls.

 


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