CEN/TC 256
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 66933 | prEN 16272-1 rev | Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics - Sound absorption in the laboratory under diffuse sound field conditions | Izstrādē |
| 39094 | prEN 16272-4 | Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - In situ values of sound diffraction under direct sound field conditions | Izstrādē |
| 36322 | prEN 16273 | Railway applications - Track - Forged rail transitions | Izstrādē |
| 76563 | prEN 16431 | Railway applications - Infrastructure - Hollow sleepers and bearers | Aptauja slēgta |
| 38209 | prEN 16432-1 | Railway applications - Ballastless track systems - Part 1: General requirements | Izstrādē |
| 39095 | prEN 16432-3 | Railway applications - Ballastless track systems - Part 3: Acceptance | Izstrādē |
| 77788 | prEN 16432-4 | Railway applications - Ballastless track systems - Part 4: Special ballastless track systems for attenuation of vibration | Aptauja slēgta |
| 75278 | prEN 16452 rev | Railway applications - Braking - Brake blocks | Izstrādē |
| 38028 | prEN 16577 | Railway applications - Track - Concrete sleepers and bearers with under sleeper pads | Izstrādē |
| 79080 | prEN 16727-2-1 rev | Railway applications - Infrastructure- Noise barriers and related devices acting on airborne sound propagation - Non-acoustic performance - Part 2-1: Mechanical performance under dynamic loadings due to passing trains - Resistance to fatigue | Izstrādē |
Displaying 1841-1850 of 1874 results.