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This is a true copy of certificate of testing issued by
>ACS
Aggregates, Concrete, Coated Materials
Soils
Testing
CERTIFICATE OF TEST -- DETERMINATION OF RELATIVE DENSITIES AND WATER ABSORPTION TO B.S. 812 PT 2 CLAUSE 5 1975.
LABORATORY SAMPLE NO: 1135 CERTIFICATE NO: A8/1088/90
CLIENT: J Suttle Quarries
CONTRACT/SOURCE OF MATERIAL: C Suttle -- Swanage
DATE SAMPLED: Not Known SAMPLED BY: C Suttle DATE REC’D: 17.09.90
MATERIAL DESCRIPTION: Armour Blockstone TOTAL MASS REC’D: 50+ kgs
SAMPLE TESTED BY: G Campbell DATE TESTED: 18.09.90
SAMPLING CERTIFICATE TO BS 812 PT 102 1984: No
----------------------------------------------------------------------------------------------------------------------
TYPE OF DRYING: Air Dried
| 20-14 mm |
TEST 1 |
TEST 2 |
MEAN RESULT |
| MASS OF SAT.SURFACE-DRY SAMPLE IN AIR (A) |
1133.7 |
803.7 |
|
| MASS OF VESSEL + SAMPLE + WATER (B) |
2966.9 |
2358.1 |
|
| MASS OF VESSEL + WATER (C) |
2262.9 |
1863.7 |
|
| MASS OF OVEN DRIED SAMPLE (D) |
1120.0 |
789.0 |
|
| RELATIVE DENSITY ON OVEN DRIED SAMPLE
D |
|||
| ------------- | |||
| A-(B-C) (To Nearest 0.01%) |
2.61 |
2.55 |
2.58 |
| RELATIVE DENSITY ON SATURATED SURFACE DRY
A |
|||
| ------------- | |||
| A-(B-C) (To Nearest 0.01%) |
2.64 |
2.60 |
2.62 |
| APPARENT RELATIVE DENSITY
D |
|||
| ------------- | |||
| D-(B-C) (To Nearest 0.01%) |
2.69 |
2.68 |
2.69 |
| WATER ABSORPTION (% OF DRY MASS)
100 (A-D) |
|||
| ------------- | |||
| D (To Nearest 0.1%) |
1.21 |
1.86 |
1.54 |
Signed . . . . . . . . . . . . . . . . . Date . . . . . . . . . . . . . . . . .
Swanage, Dorset, BH19 2QS
+00 44 (0) 1929 423576 (facsimile 427656)