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 1,351–1,375 of 3,963 labs

GADOmed srl

ACCREDIA 01599 Genova, IT

ISO 21527-2 DIN EN ISO 4833-1 DIN EN ISO 17141 ISO 11731 DIN EN ISO 4833-2 + 3 more

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GAIAMBIENTE

ACCREDIA 01024 Povoletto, IT

DIN EN ISO 6579-1 DIN EN ISO 11885 DIN EN 15408 DIN EN 13657 DIN EN ISO 17294-2 + 3 more

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GALAB Laboratories

DAkkS D-PL-14234-01-01 Hamburg, DE

DIN EN 16802 ISO 18787 DIN EN ISO 7971-3 ISO 4831 ISO 4832 + 3 more

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GALPERTI SRL

ACCREDIA 01679 Cortenova, IT

Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) DIN EN ISO 6506-1 DIN EN ISO 6507-1 DIN EN ISO 6508-1 + 3 more

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GASBARRINO Srl

ACCREDIA 02069 Campochiaro, IT

EPA 6020 APAT CNR IRSA 2060 Man 29 2003 Rapporti ISTISAN 2007/31 pag 55 Met APAT CNR IRSA 4020 Man 29 2003 APAT CNR IRSA 5060 Man 29 2003 + 3 more

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GBA Central Lab Services

DAkkS D-PL-13334-01-00 Schwentinental, DE

tration von Harnsäure HbA1c Cortisol Hydroxy-progesteron Testosteron + 3 more

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GBA Gesellschaft für Bioanalytik

DAkkS D-PL-14170-01-03 Hamburg, DE

rs738409 DIN EN 60243-1 DIN 51757 DIN EN ISO 12185 DIN EN ISO 12937 + 3 more

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GBA Medical Device Services

DAkkS D-PL-13392-01-00 Gilching, DE

DIN EN ISO 11737-2 DIN EN ISO 17405 VDA 621-422 DIN EN ISO 10993-5 DIN EN ISO 10993-1 + 3 more

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GECI ESPAÑOLA

ENAC LC10.116 Puerto de Santa María, ES

3 mV  U < 330 mV 0,33 V  U < 3,3 V 3,3 0 mV  U < 200 mV 200 mV  U < 2 V 2 V  0 mV  U  100 mV 0,1 V < U  1 V 1 V < 5 mV  U  30 V 10 mV  U < 33 mV 50 Hz  f  1 kHz 1 kH + 3 more

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