***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)}         Gsa

 

 

                                                                                                                                        +#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)                       Gsb