|
Physical Property
|
Required Values
|
Tested Values
|
|
Min.
Faceshell Thickness (tfs)
|
1.25
min
|
1.25
in.
|
|
Min.
Web Thickness (tfs)
|
1.00
min
|
102
in.
|
|
Equivalent
Web Thickness
|
2.25
min
|
2.36
in
|
|
Equivalent
Thickness
|
*****
|
3.85
in.
|
|
Max
Var. from Spec. Dimensions
|
.125
max
|
0.04
in
|
|
Net
Cross-Sectional Area
|
*****
|
60.0
in2
|
|
Gross
Cross-Sectional Area
|
*****
|
118.6
in2
|
|
|
Individal Unit Test Results
|
|
Compression
Units
|
Received
|
Cross-Sectional Area*
|
Max Load
|
Compressive Strength
|
|
Wt, WR
|
Gross
|
Net
|
|
Gross
|
Net
|
|
lb
|
in2
|
in2
|
lb
|
psi
|
psi
|
|
Unit #1
|
32.62
|
118.64
|
60.00
|
197040
|
1660
|
3280
|
|
Unit #2
|
32.42
|
118.64
|
60.00
|
189600
|
1600
|
3160
|
|
Unit #3
|
32.28
|
118.64
|
60.00
|
178400
|
1500
|
2970
|
|
Average
|
32.44
|
118.64
|
60.00
|
188350
|
1590
|
3140
|
|
|
*Units areas determined as the
average of the absorption units and are assumed to be the same as those
units tested in compression.
|
|
Absorption
Units
|
Avg
Width
|
Avg
Height
|
Avg
Lengh
|
Avg./Min.
|
Min.
|
|
in.
|
in.
|
in.
|
tfs
|
tw
|
|
Unit #4
|
7.62
|
7.62
|
15.58
|
1.25
|
1.02
|
|
Unit #5
|
7.61
|
7.60
|
15.60
|
1.26
|
1.03
|
|
Unit #6
|
7.61
|
7.61
|
15.59
|
1.25
|
1.02
|
|
Average
|
7.61
|
7.61
|
15.59
|
1.25
|
1.02
|
|
|
Where the thinnest point of
opposite face shells differ in thickness by less than 0.125 inches, their
measurements are averaged.
|
|
|
|
|
|
|
|
|
Net
|
Percent
|
|
Wt,WR
|
Wt,WI
|
Wt,WS
|
Wt,WD
|
Absorp
|
Density
|
Volume
|
Solid
|
|
lb
|
lb
|
lb
|
lb
|
pcf
|
pcf
|
ft3
|
%
|
|
Unit #4
|
32.60
|
17.89
|
34.36
|
31.16
|
12.1
|
118.1
|
0.2639
|
50.4
|
|
Unit #5
|
32.44
|
17.88
|
34.38
|
31.29
|
11.7
|
118.3
|
0.2644
|
50.7
|
|
Unit #6
|
32.28
|
17.80
|
34.26
|
30.98
|
12.4
|
117.4
|
0.2638
|
50.5
|
|
Average
|
32.44
|
17.86
|
34.33
|
31.14
|
12.1
|
117.9
|
0.2640
|
50.6
|
|
|
Comments: these tested
properties meet or exceed the applicable requirements of ASTM C 90.
|
|
NCMA
Research and Development Laboratory
ASTM C 426-99
Standard Test Method for Drying Shrinkage of Concrete Masonry Units
|
|
Client:
|
Universal
Aggregates, LLC
|
Job Number:
|
01-348-01
|
|
Address:
|
4000
Brownsville Road
South Park, PA 15129
|
Date Rec'd:
|
08/21/01
|
|
Report Date:
|
10/01/01
|
|
Unit Size and Description:
|
|
8x8xl6" Hollow, Medium
Weight CMU (Set Marked: EMUA1) Sides A
& B
4x16" Half face-shell specimens
|
|
|
|
Unit #1
|
Unit #2
|
Unit #3
|
Average
|
|
Weight
(lbs)
|
Total
Linear Drying Shrinkage (%)
|
Weight
(lbs)
|
Total
Linear Drying Shrinkage(%)
|
Weight
(lbs)
|
Total
Linear Drying Shrinkage(%)
|
Weight
(lbs)
|
Total
Linear Drying Shrinkage(%)
|
|
As received
|
5.63
|
----
|
5.61
|
---
|
5.72
|
---
|
5.65
|
---
|
|
Saturated
|
6.02
|
---
|
6.02
|
---
|
6.14
|
---
|
6.06
|
---
|
|
5 Days
|
5.56
|
0.029
|
5.54
|
0.027
|
5.65
|
0.033
|
5.58
|
0.030
|
|
7 Days
|
5.53
|
0.033
|
5.26
|
0.032
|
5.62
|
0.037
|
5.47
|
0.034
|
|
9 Days
|
5.52
|
0.036
|
5.52
|
0.034
|
5.61
|
0.040
|
5.55
|
0.036
|
|
11 Days
|
5.52
|
0.037
|
5.52
|
0.034
|
5.61
|
0.041
|
5.55
|
0.037
|
|
13 Days
|
5.53
|
0.035
|
5.52
|
0.033
|
5.62
|
0.040
|
5.55
|
0.036
|
|
15 Days
|
5.53
|
0.035
|
5.52
|
0.033
|
5.62
|
0.039
|
5.56
|
0.036
|
|
|
|
Average Total linear
Drying Shrinkage at Equilibrium = 0.036 %
|
|
|
|
|
|
Jeffrey H. Greenwald, P.E
Director of Research and Development
|
|
|
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|
