Description |
Method |
Accre-ditation |
|
1. |
Tests for geometrical properties of aggregates | ||
1.1 |
Determination of particle size distribution (Gradation and fines content) |
EVS-EN 933-1, |
EAK |
1.2 |
Determination of particle shape. Flakiness index |
EVS-EN 933-3 |
EAK |
1.3 |
Determination of particle shape. Shape index |
EVS-EN 933-4 |
|
1.4 |
Determination of percentage of crushed and broken surfaces |
EVS-EN 933-5 |
EAK |
1.5 |
Assessment of fines. Methylene blue test (Methylene Blue Value) |
EVS-EN 933-9 Annex A |
EAK |
2. |
Tests for general properties of aggregates | ||
2.1 |
Simplified petrographic description |
EVS-EN 932-3 |
|
2.2 |
Classification |
EVS-EN 14688-2 Annex B |
|
3. |
Tests for mechanical and physical properties of aggregates | ||
3.1 |
Determination of resistance to fragmentation – Los Angeles test |
EVS-EN 1097-2 |
EAK |
– LA (main fraction 10/14 mm) |
|||
– LA (alternative fractions 4/6.3; 4/8; 6.3/19; 8/11.2; 11.2/16; 16/31.5) |
|||
– LARB (railway ballast fr 31.5/50 mm) |
|||
3.2 |
Determination of loose bulk density and/or voids |
EVS-EN 1097-3 |
|
3.3 |
Determination of water content |
EVS-EN 1097-5 |
|
3.4 |
Determination of particle density and water absorption |
EVS-EN 1097-6 |
EAK |
3.5 |
Determination of the resistance to wear by abrasion from studded tyres Nordic test (fr 8/11 and 11/16 mm) |
EVS-EN 1097-9 |
EAK |
3.6 |
Determination of the resistance to wear (Micro-Deval) |
EVS-EN 1097-1 |
|
-railway ballast Micro-Deval |
Annex A |
||
4. |
Tests for thermal and weathering properties of aggregates | ||
4.1 |
Determination of resistance to freezing and thawing of the aggregate (Frost resistance) |
||
– in distilled water |
EVS-EN 1367-1 |
EAK |
|
– Magnesium sulfate test |
EVS-EN 1367-2 |
||
– in 1% NACl solution |
EVS-EN 1367-6 |
EAK | |
5. |
Tests for unbound and hydraulically bound mixtures | ||
5.1 |
Determination of the laboratory reference density and water content – Proctor compaction (max D = 63 mm) |
EVS-EN 13286-2 |
EAK |
– with standard Proctor device |
|||
– with modified Proctor device |
|||
5.2 |
California bearing ratio test |
EVS-EN 13286-47 |
|
5.3 |
Manufacture of test specimens using Proctor equipment |
EVS-EN 13286-50 |
|
6. |
Tests according to GOST standards | ||
6.1 |
Determination of granulometric (grain size) and microaggregate distribution |
GOST 12536-2014 |
EAK |
6.2 |
Determination of dust and clay particle content, particle size distribution and fineness module/grain fitness of sand |
GOST 8735-88 |
|
6.3 |
Determination of the filtration module (factor) |
GOST 25584-90 (Lisa 5) |
|
Sojuzdornii |
|||
6.4 |
Determination of plastic and liquid limits |
GOST 5180-2015 |
|
6.5 |
Determination of water content | ||
6.6 |
Classification of soils |
GOST 25100-2011 |
EAK |
6.7 |
Gravel and crushed stone: |
GOST 8269.0-97 |
|
– Clay and dust particle content |
|||
– Particle size distribution |
|||
– Flaky and needle-shape particle content |
|||
– Weak particle content |
|||
– Water absorption |
|||
– Loose bulk density and voids |
|||
– Bulk density |
|||
– Resistance to fragmentation (cylinder method) |
|||
– Resistance to wear in shelf drum |
|||
– Shock resistance |
|||
– Frost resistance |
|||
7. |
Other tests | ||
7.1 |
Colorimetric determination of humus content |
EVS-EN 1744-1 |
|
7.2 |
Determination of organic matter content by loss on ignition method |
EVS 1997-2 |
|
7.3 |
Particle size distribution of clay by a hydrometer method |
ISO 11277 |
|
7.4 |
Soil classification by particle size |
EVS 1997-1:2003 |
|
7.5 |
Crushing a test specimen with laboratory’s jaw crusher | ||
7.6 |
Boiling test for “Sonnenbrand basalt” | EVS-EN 1367-3 |
Description |
Method |
Accre-ditation |
|
1. |
Assessment of fines – Grading of fillers (air jet sieving) |
EVS-EN 933-10 |
|
2. |
Determination of water content |
EVS-EN 1097-5 |
|
3. |
Determination of the voids of dry compacted filler |
EVS-EN 1097-4 |
|
4. |
Determination of particle density |
EVS-EN 1097-7 |
|
5. |
Assessment of fines – Methylene blue test |
EVS-EN 933-9 |
EAK |
6. |
Determination of the specific surface area by Blaine test |
EVS-EN 196-6 |
|
7. |
Determination of apparent bulk density |
EVS-EN 1097-3 |
Description |
Method |
Accre-ditation |
|
1. |
Determination of grain size distribution |
EVS-EN 933-1 |
EAK |
2. |
Determination of water content |
EVS-EN 1097-5 |
EAK |
3. |
Determination of water insoluble residue |
EVS-EN 1744-1 |
|
4. |
Chloride content (measured in the Central Laboratory of the Estonian Health Board) |
GOST 13685-84 |
Töö nimetus | Meetod | Accre-ditation | |
1. | Determination of the compression index by using dynamic cone penetrometer | ||
2. | Determination of load bearing capacity by using LOADMAN device | ||
3. |
Plate load test |
DIN 18134 või EVS 934:2016 |
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