🇵🇱 GENERALNA DYREKCJA DRÓG KRAJOWYCH I AUTOSTRAD PL
Construction
GENERALNA DYREKCJA DRÓG KRAJOWYCH I AUTOSTRAD is a laboratory accredited by PCA under number AB 1533 (Opole, Poland). Its accreditation scope covers 27 test methods in the following areas: Construction. Test objects include: Bituminous mixtures, Road pavements, Aggregates, Concrete. Most frequently used techniques: Method: VSS plate load test, Dynamic plate load method, Leutner method.
At a glance
- Accreditation number: PCA AB 1533
- Methods in scope: 27
- Types of test objects: 8
- Techniques used: 10
- City: Opole, Poland
- Accreditation number
- AB 1533
- Accreditation body
- PCA
- Address
- ODDZIAŁ W OPOLU, ul. Mieczysława Niedziałkowskiego 6, 45-085 Opole, WYDZIAŁ TECHNOLOGII I JAKOŚCI BUDOWY DRÓG, – LABORATORIUM DROGOWE, ul. Żerkowicka 1c, 45-851 Opole
- City
- Opole, Poland
What this laboratory tests (8)
- Bituminous mixtures — 6 methods
- Road pavements — 5 methods
- Aggregates — 4 methods
- Concrete — 4 methods
- Ground — 3 methods
- Fresh concrete — 2 methods
- Pavement structural layers — 2 methods
- Growing medium — 1 method
Analytical techniques used (10)
- Method: VSS plate load test — 2 methods
- Dynamic plate load method — 1 method
- Leutner method — 1 method
- Method: A — 1 method
- Method: B — 1 method
- Method: Los Angeles — 1 method
- Method: pressure gauge — 1 method
- Method: Proctor (I, II) — 1 method
- Method: slump — 1 method
- Ordinary method — 1 method
Laboratory locations
- GENERALNA DYREKCJA DRÓG KRAJOWYCH I AUTOSTRAD (main site) — ul. Mieczysława Niedziałkowskiego 6, 45-085 Opole
- OPOLE BRANCH — ul. Mieczysława Niedziałkowskiego 6, 45-085 Opole
- Road Construction Technology and Quality Division – Road Laboratory
Certificate information
- Issue date
- 25.09.2026
- Issue no.
- 16
Accreditation scope — test methods (27)
| No. | Test object | Methodology / Parameters | Technique | Reference document | |
|---|---|---|---|---|---|
| Road Construction Technology and Quality Division – Road Laboratory | |||||
| 1 | Bituminous mixtures | Soluble binder content Range (2 - 10) % |
PN-EN 12697-1:2020-08 cl. B.1.7 | ||
| 2 | Bituminous mixtures | Density in water Range (2,100 - 3,000) Mg/m3 |
Method: A | PN-EN 12697-5:2019-01 | |
| 3 | Bituminous mixtures | Bulk density Range (2,100 - 3,000) Mg/m3 |
Method: B | PN-EN 12697-6:2020-07 | |
| 4 | Bituminous mixtures | Particle size distribution Range (0 - 31,5) mm |
PN-EN 12697-2+A1:2019-12 | PN-EN 933-1:2012 | ||
| 5 | Bituminous mixtures | Air void content (calculated) | PN-EN 12697-8:2019-01 cl. 4 | ||
| 6 | Bituminous mixtures | Sampling | PN-EN 12697-27:2017-07 cl. 4.1, 4.3, 4.7 | ||
| 7 | Road pavements | Thickness Range up to 300 mm |
PN-EN 12697-36:2022-09 cl. 6.1 | ||
| 8 | Road pavements | Interlayer bond of asphalt layers | 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, 31.08.2014 | |
| 9 | Road pavements | Degree of compaction index (calculated) | PN-EN 13108-20:2016-07 cl. C.4 | ||
| 10 | Road pavements | Air void content (calculated) | PN-EN 12697-8:2019-01 cl. 4 | ||
| 11 | Road pavements | Sampling | PN-EN 12697-27:2017-07 cl. 4.7 | ||
| 12 | Concrete | Compressive strength Force range (10 - 3000) kN |
PN-EN 12390-3:2019-07 | ||
| 13 | Concrete | Water absorption | PN-88/B-06250 | ||
| 14 | Concrete | Resistance to freezing | Ordinary method | PN-B-06265:2022-08 Annex N | |
| 15 | Concrete | Depth of penetration of water under pressure | PN-EN 12390-8:2019-08 | ||
| 16 | Fresh concrete | Air content | Method: pressure gauge | PN-EN 12350-7:2019-08 | |
| 17 | Fresh concrete | Consistency | Method: slump | PN-EN 12350-2:2019-07 | |
| 18 | Ground | Optimum moisture content, Maximum dry density of the soil skeleton | Method: Proctor (I, II) | PN-88/B-04481 cl. 8 | |
| 19 | Ground | Sand equivalent value Range (0 - 4) mm |
PN-EN 933-8:2012 Annex A | ||
| 20 | Ground | Natural moisture content | PN-88/B-04481 cl. 5.1 | ||
| 21 | Growing medium | Deformation modulus Load range (0,01 - 0,35) MPa |
Method: VSS plate load test | PN-S-02205:1998 Annex B | |
| 22 | Pavement structural layers | Deformation modulus Load range (0,01 - 0,45)MPa |
Method: VSS plate load test | PN-S-02205:1998 Annex B | |
| 23 | Pavement structural layers | Dynamic deformation modulus Range (15-120) MN/m2 |
Dynamic plate load method | Catalogue of Reconstruction and Repair of Flexible and Semi-Rigid Pavements KPRNPP – 2014, GDDKiA, IBDiM, Annex B4 | |
| 24 | Aggregates | Particle size distribution | PN-EN 933-1:2012 | ||
| 25 | Aggregates | Resistance to fragmentation | Method: Los Angeles | PN-EN 1097-2:2020-09 | |
| 26 | Aggregates | Shape index | PN-EN 933-4:2008 | ||
| 27 | Aggregates | Sampling | PN-EN 932-1:1999 cl. 8.8 | ||
Reference standards (25)
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, 31.08.2014
Catalogue of Reconstruction and Repair of Flexible and Semi-Rigid Pavements KPRNPP – 2014, GDDKiA, IBDiM, Annex B4
PN-88/B-04481 cl. 5.1
PN-88/B-04481 cl. 8
PN-88/B-06250
PN-B-06265:2022-08 Annex N
PN-EN 1097-2:2020-09
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 12697-1:2020-08 cl. B.1.7
PN-EN 12697-2+A1:2019-12
PN-EN 12697-27:2017-07 cl. 4.1, 4.3, 4.7
PN-EN 12697-27:2017-07 cl. 4.7
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 13108-20:2016-07 cl. C.4
PN-EN 932-1:1999 cl. 8.8
PN-EN 933-1:2012
PN-EN 933-4:2008
PN-EN 933-8:2012 Annex A
PN-S-02205:1998 Annex B