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 2,976–3,000 of 3,963 labs

SGL CARBON GmbH Central Laboratory Services CLS

Active
DAkkS D-PL-20273-01-01 Meitingen, DE
DIN EN ISO 11358-1 DIN 51913 DIN 51909 DIN 51908 DIN 51936 + 3 more
View Profile

SGL Spezial- und Bergbau-Servicegesellschaft Lauchhammer mbH Analytisches Labor der SGL

Active
DAkkS D-PL-14148-01-01 Lübbenau/Spreewald, DE
DIN EN ISO 19458 DIN 18123 DIN EN 13274-8 DIN EN ISO 14688-2 DIN EN ISO 10523 (C 5) + 3 more
View Profile

SGS Analytics Germany

Active
DAkkS D-PL-14004-01-01 Fellbach, DE
ISO 4831 DIN EN ISO 19458 DIN EN 1744-1 DIN 18123 DIN EN 12316-1 + 3 more
View Profile

SGS Analytics Germany GmbH Pharma Berlin

Active
DAkkS D-PL-14004-04-00 Berlin, DE
tration von Harnsäure tration von Harnstoff pH - Wert Creatinin HbA1c + 3 more
View Profile

SGS Analytics LAG

Active
DAkkS D-PL-14541-01-01 Spremberg, DE
DIN 51757 DIN ISO 2049 DIN EN ISO 2719 DIN ISO 9120 ISO 6247 + 3 more
View Profile

SGS Belgium nv

Active
BELAC 005-TEST Antwerpen, BE
Konkrementanalyse Steinanalyse Chloride ASTM D 4052 ASTM D 5191 + 3 more
View Profile

SGS Brightsight

Active
RvA L355 Delft, NL
IEC 15408-1 IEC 18045
View Profile

SGS France - Aix-en-Provence

Active
COFRAC 1-6488 Aix-En-Provence, FR
DIN EN 14183 DIN EN 13893 DIN EN 14041 EN 12586 EN 14372 + 3 more
View Profile

SGS France EIHT - Saint-Priest

Active
COFRAC 1-6451 Saint-Priest, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
View Profile

SGS France EIHT - Toulouse

Active
COFRAC 1-6454 Toulouse, FR
ISO 22262-1 NF X 43-050 NF X 43-269 NF X 43-269 - Annexe K NF X43-050 (parties utiles de + 2 more
View Profile

SGS Germany

Active
DAkkS D-PL-11020-03-01 Puchheim, DE
> 660 PAI-1 (4G/5G) rs1799768 ISO 3795 DIN 75200 ASTM E 662 + 3 more
View Profile

SGS Germany

Active
DAkkS D-PL-11020-04-01 Hamburg, DE
> 660 PAI-1 (4G/5G) rs1799768 ASTM E 662 DIN EN 1371-2 DIN EN ISO 12966-2 + 3 more
View Profile

SGS Germany GmbH Oil, Gas and Chemicals, Fuel Technology Centre

Active
DAkkS D-PL-11020-01-00 Speyer, DE
ID116 (LBLS) (OMIM 611105) (c.228- DIN 51757 ASTM D 4052 DIN EN ISO 12185 + 3 more
View Profile

SGS IDEA LAB

Active
COFRAC 1-7397 Plouzane, FR
DIN EN ISO 11930 ISO 21149:2017+Amd1:2022 ISO 16212:2017+Amd1:2022 ISO 22717:2015+Amd1:2022 ISO 22718:2015+Amd1:2022 + 3 more
View Profile

SGS INSTITUT FRESENIUS

Active
DAkkS D-PL-14115-02-09 Taunusstein, DE
10/1500 AK gegen BP 180 rs2066845 (AAT, TAAD) - EBM 11448: ID020 (NM_001718: c.1-c.500) + 3 more
View Profile

SGS INSTITUT FRESENIUS

Active
DAkkS D-K-14115-01-01 Herten, DE
Tensile testing of metallic materials (I Vickers hardness test (ISO 6507) Railway bogies — wheelsets and bogies st Railway overhead lines — pantograph head Taupunkttemperatur + 3 more
View Profile

SGS Italia S.p.A. Laboratorio OG&C di Genova

Active
ACCREDIA 00867 Genova, IT
DIN EN ISO 12937 DIN EN ISO 18122 DIN EN ISO 18125 ISO 1928 DIN EN ISO 8754 + 3 more
View Profile

SGS Italia SpA Industries & Environment

Active
ACCREDIA 00071 Assemini, IT
DIN EN 13126-19 DIN EN ISO 11885 DIN EN 13657 DIN EN 14346 DIN EN ISO 12846 + 3 more
View Profile

SGS TECNOS, S.A. (Unipersonal)

Active
ENAC LE011 Madrid, ES
Radiated emissions (CISPR 32) Railway wheel-rail interaction — roughne IEC 61000-4-2: 2008 IEC 61000-4-3: 2006 IEC 61000-4-4: 2012 + 3 more
View Profile

SGS United Kingdom

Active
UKAS 0131 South Wirral, GB
ISO ASTM D 4052 ASTM D 5191 ASTM D 5453 ASTM D 381 + 3 more
View Profile

SGS United Kingdom

Active
UKAS 0244 Broadlands, GB
ASB/SOP/OM8 based on HSG 248 (HSG 248) – 2021 (PCM) based on HSG 248
View Profile

SGS United Kingdom

Active
UKAS 4412 Colbourne Crescent, GB
ISO 11290-2 ISO 21528-2 ISO 6579-1 ISO 10272-2 ISO 4833-1 + 3 more
View Profile

SGS United Kingdom

Active
UKAS 1067 Stretford, GB
DIN EN ISO 7971-3 DIN EN 716-2 DIN 51130 ASTM F 963 DIN EN 1122 + 3 more
View Profile

SGS United Kingdom

Active
UKAS 1549 Bar Hill, GB
ISO ISO 4832 DIN EN ISO 13720 ISO 11290-2 ISO 10272-2 + 3 more
View Profile

SGS United Kingdom

Active
UKAS 0820 South Wirral, GB
MPV Thrombozytenvolume PRESSURE ELECTRICAL AC CURRENT AC Voltage + 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