🇵🇱 GENERALNA DYREKCJA DRÓG KRAJOWYCH I AUTOSTRAD PL
Construction
GENERALNA DYREKCJA DRÓG KRAJOWYCH I AUTOSTRAD is a laboratory accredited by PCA under number AB 1484 (Poznań, Poland). Its accreditation scope covers 42 test methods in the following areas: Construction. Test objects include: Aggregates, Bituminous mixtures, Bitumens and bituminous binders, Road pavements. Most frequently used techniques: Method: dry, Method: VSS plate load test, Fraass method.
At a glance
- Accreditation number: PCA AB 1484
- Methods in scope: 42
- Types of test objects: 12
- Techniques used: 15
- City: Poznań, Poland
- Accreditation number
- AB 1484
- Accreditation body
- PCA
- Address
- ODDZIAŁ W POZNANIU, ul. Siemiradzkiego 5A; 60-763 Poznań, WYDZIAŁ TECHNOLOGII I JAKOŚCI BUDOWY DRÓG, – LABORATORIUM DROGOWE
- City
- Poznań, Poland
What this laboratory tests (12)
- Aggregates — 9 methods
- Bituminous mixtures — 9 methods
- Bitumens and bituminous binders — 4 methods
- Road pavements — 4 methods
- Concrete — 3 methods
- Fresh concrete — 3 methods
- Ground — 3 methods
- Concrete paving blocks — 2 methods
- Road markings — 2 methods
- Growing medium — 1 method
- Hydraulically bound mixtures — 1 method
- Pavement structural layers — 1 method
Analytical techniques used (15)
- Method: dry — 2 methods
- Method: VSS plate load test — 2 methods
- Fraass method — 1 method
- Gravimetric method — 1 method
- Leutner method — 1 method
- Method: A — 1 method
- Method: A, B, D — 1 method
- Method: Los Angeles — 1 method
- Method: ordinary — 1 method
- Method: Proctor (I) — 1 method
- Method: profilometric, inertial-type device – laser profilograph — 1 method
- Method: Ring and Ball — 1 method
- Method: wheel tracking by method B (in air), small device — 1 method
- Pressure gauge method — 1 method
- Slump test method — 1 method
Laboratory locations
- GENERALNA DYREKCJA DRÓG KRAJOWYCH I AUTOSTRAD (main site) — ul. Siemiradzkiego 5A, 60-763 Poznań
- POZNAŃ BRANCH — ul. Siemiradzkiego 5A, 60-763 Poznań
- Road Construction Technology and Quality Division - Road Laboratory
Certificate information
- Issue date
- 15.10.2026
- Issue no.
- 16
Accreditation scope — test methods (42)
| No. | Test object | Methodology / Parameters | Technique | Reference document | |
|---|---|---|---|---|---|
| Road Construction Technology and Quality Division - Road Laboratory | |||||
| 1 | Bituminous mixtures | Soluble binder content Range (2 - 9) % |
PN-EN 12697-1:2020-08 cl. B 1.7 | ||
| 2 | Bituminous mixtures | Density in water Range (2,300 - 2,850) Mg/m3 |
Method: A | PN-EN 12697-5:2019-01 | |
| 3 | Bituminous mixtures | Bulk density Range (2,100 - 2,850) Mg/m3 |
Method: A, B, D | PN-EN 12697-6:2020-07 | |
| 4 | Bituminous mixtures | Particle size distribution Range (0 - 31,5) mm |
PN-EN 12697-2:2025-06 | PN-EN 933-1:2012 | ||
| 5 | Bituminous mixtures | Susceptibility to deformation under load Range (0 - 20) mm |
Method: wheel tracking by method B (in air), small device | PN-EN 12697-22+A1:2024-05 | |
| 6 | Bituminous mixtures | Hardness (penetration) on cube samples | PN-EN 12697-20:2020-07 | ||
| 7 | Bituminous mixtures | Air void content (calculated) | PN-EN 12697-8:2019-01 cl. 4 | ||
| 8 | Bituminous mixtures | Degree of compaction index (calculated) | PN-EN 13108-20:2016-07 Annex C4 | ||
| 9 | Bituminous mixtures | Sampling | PN-EN 12697-27:2017-07 cl. 4.3 | ||
| 10 | Concrete | Compressive strength Force range (50 - 2000) kN |
PN-EN 12390-3:2019-07 | ||
| 11 | Concrete | Resistance to freezing | Method: ordinary | PN-B-06265:2022-08 Annex N | |
| 12 | Concrete | Depth of penetration of water under pressure | PN-EN 12390-8:2019-08 | ||
| 13 | Fresh concrete | Consistency | Slump test method | PN-EN 12350-2:2019:07 | |
| 14 | Fresh concrete | Air content | Pressure gauge method | PN-EN 12350-7:2019:08 | |
| 15 | Fresh concrete | Sampling | PN-EN 12350-1:2019-07 | ||
| 16 | Concrete paving blocks | Water absorption | PN-EN 1338:2005 Annex E | PN-EN 1338:2005/AC:2007 | ||
| 17 | Concrete paving blocks | Splitting tensile strength | PN-EN 1338:2005 Annex F | PN-EN 1338:2005/AC:2007 | ||
| 18 | Ground | Optimum moisture content Range (5 -15) % Maximum dry density of soil Range (1,2 - 2,0) g/cm3 |
Method: Proctor (I) | PN-B-04481:1988 cl. 8 | |
| 19 | Ground | Soil moisture content Range (1-50) % |
Gravimetric method | PN-B-0448:1988 cl. 5.1 | |
| 20 | Ground | Compaction index (IS) | BN-77/8931-12 cl. 4 | ||
| 21 | Aggregates | Particle size distribution Range (0 - 63) mm |
PN-EN 933-1:2012 | ||
| 22 | Aggregates | Resistance to fragmentation | Method: Los Angeles | PN-EN 1097-2:2020-09 | |
| 23 | Aggregates | Frost resistance in water | PN-EN 1367-1:2007 | ||
| 24 | Aggregates | Frost resistance in the presence of salt | PN-EN 1367-6:2008 | ||
| 25 | Aggregates | Sand equivalent value | PN-EN 933-8+A1:2015-07 Annex A | ||
| 26 | Aggregates | Shape index | PN-EN 933-4:2008 | ||
| 27 | Aggregates | Water content | PN-EN 1097-5:2008 | ||
| 28 | Aggregates | Flow coefficient of fine aggregate | PN-EN 933-6:2023-06 | ||
| 29 | Aggregates | Sampling | PN-EN 932-1:1999 cl. 8.8 | ||
| 30 | Hydraulically bound mixtures | Compressive strength Force range (10 – 200) kN |
PN-EN 13286-41:2022-04 | ||
| 31 | Bitumens and bituminous binders | Softening point Range (28 - 80) °C |
Method: Ring and Ball | PN-EN 1427:2015-08 | |
| 32 | Bitumens and bituminous binders | Needle penetration Range below 330 x 0,1 mm |
PN-EN 1426:2025-02 | ||
| 33 | Bitumens and bituminous binders | Brittleness temperature | Fraass method | PN-EN 12593:2015-08 | |
| 34 | Bitumens and bituminous binders | Elastic recovery | PN-EN 13398:2017-12 | ||
| 35 | Growing medium | Deformation modulus Load range (0,00 – 0,35) MPa |
Method: VSS plate load test | PN-S-02205:1998 Annex B | |
| 36 | Pavement structural layers | Deformation modulus Load range (0,00 – 0,45) MPa |
Method: VSS plate load test | WT-4 Annex C, GDDKiA 2025 | |
| 37 | Road pavements | Thickness Range up to 500 mm |
PN-EN 12697-36:2022-09 cl. 6.1 | ||
| 38 | Road pavements | Longitudinal profiles (evenness) Range (0 - 20) cm International Roughness Index IRI (calculated) |
Method: profilometric, inertial-type device – laser profilograph | PN-EN 13036-6:2008 | Regulation of the Minister of Infrastructure 01.08.2019 (Journal of Laws 2019 item 1643) | ASTM E 1926-08 | |
| 39 | Road pavements | Interlayer bond strength | Leutner method | Instruction for laboratory testing of interlayer bond of asphalt layers according to the Leutner method and technical requirements for interlayer bond, published by Gdańsk University of Technology, version of 31.08.2014 | |
| 40 | Road pavements | Sampling | PN-EN 12697-27:2017-07 cl. 4.7 | ||
| 41 | Road markings | Luminance coefficient Qd Range (1- 318) mcd m-2 lx-1 |
Method: dry | PN-EN 1436:2018-02 Annex A | |
| 42 | Road markings | Coefficient of retroreflected luminance RL Range (1 -2 000) mcd m-2 lx-1 |
Method: dry | PN-EN 1436:2018-02 Annex B | |
Reference standards (45)
ASTM E 1926-08
BN-77/8931-12 cl. 4
Instruction for laboratory testing of interlayer bond of asphalt layers according to the Leutner method and technical requirements for interlayer bond, published by Gdańsk University of Technology, version of 31.08.2014
PN-B-04481:1988 cl. 8
PN-B-0448:1988 cl. 5.1
PN-B-06265:2022-08 Annex N
PN-EN 1097-2:2020-09
PN-EN 1097-5:2008
PN-EN 12350-1:2019-07
PN-EN 12350-2:2019:07
PN-EN 12350-7:2019:08
PN-EN 12390-3:2019-07
PN-EN 12390-8:2019-08
PN-EN 12593:2015-08
PN-EN 12697-1:2020-08 cl. B 1.7
PN-EN 12697-20:2020-07
PN-EN 12697-22+A1:2024-05
PN-EN 12697-27:2017-07 cl. 4.3
PN-EN 12697-27:2017-07 cl. 4.7
PN-EN 12697-2:2025-06
PN-EN 12697-36:2022-09 cl. 6.1
PN-EN 12697-5:2019-01
PN-EN 12697-6:2020-07
PN-EN 12697-8:2019-01 cl. 4
PN-EN 13036-6:2008
PN-EN 13108-20:2016-07 Annex C4
PN-EN 13286-41:2022-04
PN-EN 1338:2005 Annex E
PN-EN 1338:2005 Annex F
PN-EN 1338:2005/AC:2007
PN-EN 13398:2017-12
PN-EN 1367-1:2007
PN-EN 1367-6:2008
PN-EN 1426:2025-02
PN-EN 1427:2015-08
PN-EN 1436:2018-02 Annex A
PN-EN 1436:2018-02 Annex B
PN-EN 932-1:1999 cl. 8.8
PN-EN 933-1:2012
PN-EN 933-4:2008
PN-EN 933-6:2023-06
PN-EN 933-8+A1:2015-07 Annex A
PN-S-02205:1998 Annex B
Regulation of the Minister of Infrastructure 01.08.2019 (Journal of Laws 2019 item 1643)
WT-4 Annex C, GDDKiA 2025