***GENERAL REWRITE – PLEASE READ CAREFULLY.***

AGGREGATE SPECIFIC GRAVITY

FOR COMBINED OR INDIVIDUAL SOURCES

County: Project No.: Date:

Project Location:

Contractor:

Mix Type: Course: Size:

Aggregate Sources: Size:

Sample Identification: Lab. No.

1	Pycnometer No.
2	Sample Weight W
3	Weight Pyc. & Water@Test Temp. (Calibration) W1
4	Total Weight (Line 2 + Line 3) W+W1
5	Weight Pyc. & Sample & Water W2
6	Weight Displaced Water (Line 4 - Line 5)
7	Test Temp. of Water, (Degrees F)
8	R Multiplier (Chart) R
9	Vac. Apparent Sp. Gr. {(W) X (R)/(Line 6)} G_sa

+#8 -#8

10	Weight SSD Material
11	Weight of Dry Material
13	Weight of Absorbed Water (Line 10 - Line 11)
14	Total Weight Absorbed (Line 13 (+#8 + -#8))
15	Total Weight Dry Material (Line 11 (+#8+ -#8))
16	% Abs, {(100) X (Line 14)/(Line 15)}

17	ABS=%Abs/100, (Line 16/100)
18	1 + (ABS) X (Gsa), {(1+(Line 17)) X (Line 9)}
19	Bulk Dry Sp. Gr. (Line 9/Line 18) G_sb