CHINA FIRST HIGHWAY ENGINEERING CO. LTD.
Laboratory Address: No. 1441 Ulilang Kawayan Brgy. 678, Paco Manila
DPWH-BRS Accredited Laboratory
Woorksheet on Quality Test on Coarse Aggregates
KINDS OF SAMPLES:
DATE SAMPLED:
A. Unit Weight (kg/m³) ASTM C29
A. Sp. Gr. (DRY)
1/(2-3)
1 . Weight in Air of SSD Sample, g
2 . Weight in Air of Oven-dried Sample, g
3 . Weight in Water Sample, g
B. Sp. Gr. (SSD)
2/(2-3)
C. Sp. GR. (APPARENT)
1/(1-3)
D. Absorption
(2-1)/1
B. Unit Weight (kg/m³) ASTM C29
1 . WEIGHT OF BUCKET AND SAMPLE
Loose
Rodded
2 . WEIGHT OF BUCKET
3 . WEIGHT OF SAMPLE
4 . VOLUME OF BUCKET
5 . UNIT WEIGHT
6 . AVERAGE
C. Grading ASTM C136
SIEVED SIZE
50.0
35.7
25.0
19.0
12.5
9.5
4.75
2.36
2.00
0.30
0.15
0.075
RETAINED % PASSING
GRADING REQ'D
2"
1 1/2"
1"
3/4"
1/2"
3/8"
No. 4
No. 8
No. 10
No. 50
No. 100
No. 200
E. Clat Lumps ASTM C142
Size of Particles
making up test
sample Retained
Mass of Test Sample
min. (g)
Mass of Test
Sample before
Soak (g)
Mass of Test
Sample after wash
(g)
Clay Lumps % (12/1)x100
Pan
1. Wt. after washing
F. Abrasion ASTM C131
2. Oven Dry Wt. of Sample
A. Grading Used
3. Orig. Wt. of sample at wet
0.25 max.
B. No. of Sphere
4. Wash Loss
D. Dry Retained on No. 12
5. Moisture Content
E. Weight of Samples
F. Abrasion Loss
D. Soundness (ASTM C88)
Passing
1 . 1-1/2"
2.
3.
4.
5.
Retained
1"
1"
3/4"
3/4"
1/2"
1/2"
3/8"
3/8"
#4
Logbook No.
Grading of Original Sample
% Retained
Source:
Wt. Of Test Fraction Before
Test (kg)
Client:
% Loss