UIC 544-2

Railway Braking Force Estimation Methods

UIC 544-2 provides standardized calculation and estimation methods for determining braking force in railway rolling stock across different brake system types and operational scenarios. This technical standard defines mathematical models for translating brake system pressure, line force, and mechanical leverage into actual stopping power, accounting for variables such as wheel slip, temperature effects, and load conditions. The standard enables consistent performance prediction and certification across diverse European rail systems. Accreditation for this calculation methodology ensures reproducible, safety-critical engineering assessments used in rail fleet design and operational planning.

What it measures

  • Brake force calculation from system pressure and geometry
  • Adhesion coefficient effects on available braking force
  • Load-dependent braking force variations
  • Dynamic brake force response characteristics
  • Braking force distribution optimization
🇧🇪 NBN EN 14531-1 🇩🇪 DIN EN 14531-1 🇬🇧 BS EN 14531-1 🇫🇷 NF EN 14531-1 🇮🇹 UNI EN 14531-1 🇪🇸 UNE EN 14531-1 🇳🇱 NEN EN 14531-1
3,963 Accredited labs
21 Countries

Showing 3,001–3,025 of 3,963 labs

DAkkS D-PL-11159-01-01 Guangdong, CN
VDA 275 VDA 278 VDA 270 DIN EN 14582 ISO 8124-3 + 3 more
View Profile
ACCREDIA 02270 Roma, IT
ISO 4832 DIN EN ISO 6579-1 DIN EN ISO 21528-2 ISO 11731 DIN EN ISO 4833-2 + 3 more
View Profile
COFRAC 1-1452 Colombes, FR
DIN EN 27888 DIN EN ISO 11885 DIN EN ISO 15587-2 DIN EN ISO 10523 DIN EN 15935 + 3 more
View Profile

SIALAB

Active
ACCREDIA 01230 Napoli, IT
ISO 4832 DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 11290-2 DIN EN ISO 21528-2 + 3 more
View Profile

SIALAB

Active
ACCREDIA 01419 Avola, IT
DIN EN 27888 ISO 18787 ISO 6496 ISO 4832 ISO 21527-1 + 3 more
View Profile
DAkkS D-K-20004-01-00 Haiger-Dillbrecht, DE
(Härteskalen HV5 bis HV100) Kraftmesseinrichtung von Kraft Härteprüfmaschinen 20 HRC + 3 more
View Profile

SIAS

Active
ACCREDIA 01139 Cellatica, IT
DIN EN 27888 DIN EN 13126-19 DIN EN ISO 11885 DIN EN 13657 DIN EN ISO 10523 + 3 more
View Profile

SIBOTEC bv

Active
BELAC 637-TEST Beernem, BE
NBN EN 933-3 NBN EN 933-1 Méthode dérivée à la NBN EN 933-9 NBN EN 12390-3 NBN EN 13863-3 + 3 more
View Profile
ACCREDIA 01122 Palo del Colle, IT
ISO 4832 ISO 15214 DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 6579-1 + 3 more
View Profile
DAkkS D-PL-20745-01-00 Waldkirch, DE
IEC 61496-1: 2012 IEC 61496-2 IEC 61496-3 DIN EN 61496-1 DIN EN 61496-2
View Profile
ACCREDIA 00112 Cesena, IT
ISO 18787 ISO 21527-1 ISO 21527-2 ISO 11731 ISO 6222 + 3 more
View Profile
ACCREDIA 00917 Caltanissetta, IT
DIN EN 1484 DIN EN 12457-2 ISO 9308-2 EPA 6020 EPA 200.8 1994 + 3 more
View Profile

SIET SpA

Active
ACCREDIA 00124 Piacenza, IT
DIN EN 12729 DIN EN 12312-15 DIN EN 215 DIN EN 12729
View Profile
DAkkS D-PL-18750-01-01 Malsch, DE
DIN EN ISO 6506-1 DIN EN ISO 6507-1 DIN 51603-1 VDE 0847-4-2 DIN EN 274-1 + 3 more
View Profile

SIGMATRE LAB

Active
ACCREDIA 01103 Garbagnate Monastero, IT
Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO DIN EN ISO 16810 DIN EN ISO 17637 + 3 more
View Profile
DAkkS D-K-19636-01-02 Kaufungen, DE
Vickers hardness test (ISO 6507) Railway braking — urban guided transport - Gleichspannung - Gleichstromstärke - Gleichstromwiderstand + 3 more
View Profile
ACCREDIA 00528 Milano, IT
ISO 21527-1 DIN EN ISO 4833-1 DIN EN ISO 21149 DIN EN 14039 ISO 5667-11 + 3 more
View Profile
COFRAC 1-0161 Cergy, FR
ISO 4831 ISO 4832 ISO 15214 ISO 21527-1 ISO 21527-2 + 3 more
View Profile
COFRAC 1-6746 Saint-Herblain, FR
ISO 18787 ISO 15214 ISO 21527-1 ISO 21527-2 DIN EN ISO 11290-1 + 3 more
View Profile
COFRAC 1-0889 Fontaine, FR
ISO 4831 ISO 4832 ISO 15214 ISO 21527-1 ISO 21527-2 + 3 more
View Profile
COFRAC 1-7288 La Fleche, FR
ISO 4831 ISO 4832 ISO 15214 ISO 21527-1 ISO 21527-2 + 3 more
View Profile
ENAC LE413 Barcelona, ES
ISO 18787 ISO 4832 ISO 15214 ISO 21527-1 ISO 21527-2 + 3 more
View Profile
ACCREDIA 01867 Anzio, IT
ISO 11731 ISO 6222 ISO 9308-1 AFNOR IDX 33/03-10/13
View Profile
ACCREDIA 00293 Nizza Monferrato, IT
ISO 18787 ISO 4832 ISO 21527-2 BS EN 15662 DIN EN 14132 + 3 more
View Profile
ACCREDIA 00709 Calenzano, IT
Sound intensity — scanning method part 2 Vibration and shock — experimental modal 100 HV 120 ASTM E837-20 ISO 20816-1 + 3 more
View Profile

No matching labs found.

Industries

Railway rolling stock engineering and design Brake system manufacturers and integrators Railway fleet operators Rail vehicle certification authorities Transport safety and compliance consulting

Related Standards

  • UIC 544-1 Railway brakes — Braking performance
  • UIC 541-01 Railway brakes — Brake pads — Part 1: Friction material specification
  • EN 14531-1 Railway applications — Safety requirements for the design of rolling stock

Other Test Methods

0 labs selected
Compare