Results of Testing Carried Out On Our
Aggregate
Below are the test results of our aggregate tested by Celtest Ltd, a UKAS
accredited testing laboratory.
Website:
www.celtest.com, E-mail:
postmaster@celtest.com
| To determine the Resistance to Wear of Aggregate - Micro Deval Test in
accordance with BS EN 1097-1:1996 Result: Micro Deval coefficient (MDE) (Dry) = 13) |
| To determine the Particle Water absorption for aggregate sample between
4mm and 31.5mm in accordance with BS EN 1097-6:2000 Clause 8
Result: Particle Density on an oven dried basis
=2.72Mg/m³
Particle density on a saturated and surface dried basis
=2.73 Mg/m³
Apparent Particle Density
=2.74 Mg/m³
Water Absorption (% of dry mass)
=0.3% |
| To determine the Ten Per Cent Fines Value (TFV) of
aggregate sample 10mm and greater in accordance with BS 812: Part 111: 1990
Result: Ten per cent fines value (Dry) = 370kN |
| To determine the Polished Stone Value (PSV) of
aggregate sample in accordance with BS EN 1098:2000
Result: Recorded Polished Stone Value
Test Specimen: Mean Recorded Value (S) = 60.2 Control Stone: Mean Recorded Value (C) = 52.6 Corrected Polished Stone Value: S =52.5 - C = 60 |
| To determine the Resistance to Fragmentation of
Aggregate - Los Angeles Test Method in accordance with BS EN 1097-2:1998
Result: Los Angeles Coefficient (LA) = 11 |
| To determine the Aggregate Abrasion Value (AAV) of
aggregate sample, in accordance with BS EN 1097-8:2000
Result: Mean Aggregate Abrasion Value = 4.3 |
| To determine the Aggregate Crushing Value (ACV) of
aggregate sample, in accordance with BS 812: Part 110:1990
Result: Aggregate Crushing Value = 9.8 |
| To determine the Magnesium Sulphate Soundness Value
of aggregate sample within the size range in accordance with BS EN 1367-2:1998
Result: Test 1=9.4 Test 2=9.0
Magnesium Sulphate Soundness Value = 9 |
| To determine the Water Soluble Alkali content of an
aggregate sample in accordance with BS 812:1998 and ICP Manufacturers
Instructions Result: Water Soluble Alkali Content = 52 mg/kg |
| To determine the Water Soluble Chloride salt content
in an aggregate sample in accordance with BS EN 1744: Part 1: 1998.Clause 7 (Volhard
method)
Results: Chloride Content of Aggregate = <0.01% |
| To determine the Acid Soluble Sulphate of an
Aggregate Sample in accordance with BS EN 1744-1: 1998 Clause 12
Results: Acid Soluble Sulphate Content as SO3
=0.01% |
| To determine the Calcium Carbonate equivalent of
aggregate sample in accordance with BS EN 196: Part 21: 1992
Results: Calcium Carbonate Equivalent = 8.591%
|
| To carry out a chemical analysis on an aggregate
sample. Results: SiO2
58.5%
TiO2
0.8% |
Al2O3
15.1%
Fe2O3
6.8%
MnO
0.1%
MgO
4.0%
CaO
4.4%
Na2O
2.7%
K2O
2.5%
P2O5
0.2%
Loss on ignition:2.8%
| Aggregate Flakiness Index.
Aggregate Flakiness Index is tested externally by the
Road Service UKAS accredited Laboratory in Armagh as well as internally in our
own laboratory at Outlack. The most recent results can be obtained on request
via email. |
Results of Testing Carried Out On Our Bitmac/Asphalt
Samples of bituminous mixtures are taken regularly on a basis that coincides
with the UKAS Sector Scheme 14.
The table below shows the minimum frequencies for undertaking
compositional analysis.
Minimum Frequencies (Tonnes/Test) |
Maximum Number Not Complying in Last 30 Analyses |
Surface Course |
Binder Course |
Base (Roadbase) |
2 in 30 |
Q2 |
400 |
600 |
1000 |
4 in 30 |
Q4 |
200 |
300 |
500 |
6 in 30 |
Q6 |
100 |
150 |
200 |
More than 6 in 30 |
Qx |
75 |
75 |
150 |
The value shown in column 1 shall be based on the most recent results of
all materials produced by our plant. This will be known as the 'Q Level'
of the plant. Customers can obtain on demand the current Q Level of the plant at
any time. One sample in every ten samples based on the minimum testing frequency
is tested externally in a UKAS accredited laboratory i.e. Armagh Roads Service
Copies of recent results of asphalt test reports from Armagh Road Service's
laboratory or from our own laboratory can be obtained on request via e-mail.
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