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
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DAkkS D-ML-13298-01-01 Hamburg, DE
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DAkkS D-PL-21252-01-01 Bad Bocklet OT Großenbrach, DE
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Labor Lehmacher - Schneider

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DAkkS D-PL-18702-01-00 Osnabrück, DE
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DAkkS D-ML-18419-01-00 Lübeck, DE
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DAkkS D-ML-19668-01-00 Mainz, DE
Digitoxin Digoxin HbA1c Cortisol Glucose + 3 more
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DAkkS D-PL-17120-01-01 Stuttgart, DE
10/1500 DIN 38404-C 4 DIN EN ISO 19458 (K 19) DIN EN ISO 16266 (K 11) DIN EN ISO 9308-1 (K 12) + 3 more
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DAkkS D-ML-17120-01-00 Stuttgart, DE
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DAkkS D-ML-19665-02-00 Ritschenhausen, DE
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DAkkS D-PL-18601-01-04 München, DE
ASTM E 648 DIN EN 61646 DIN EN 27888 DIN EN ISO 7971-3 DIN EN ISO 16212 + 3 more
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DAkkS D-ML-19493-02-00 Krefeld, DE
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LaborZentrum Weser Franz-Josef Schmitz

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DAkkS D-ML-13273-01-00 Minden, DE
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DAkkS D-ML-13243-01-01 Georgsmarienhütte, DE
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DAkkS D-ML-18474-01-01 Frankfurt am Main, DE
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Laboratoire CHRYSOTEC

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COFRAC 1-5569 Saint-Amand-Montrond, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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Laboratoire Départemental d'Analyses des Ardennes (LDA 08)

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COFRAC 1-0885 Hagnicourt, FR
DIN EN 27888 DIN EN ISO 10523 ISO 18743 DIN EN ISO 7393-2 ISO 6222 + 3 more
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Laboratoire MARLE

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COFRAC 1-2417 Nogent, FR
Tensile testing of metallic materials (I DIN EN ISO 6506-1 DIN EN ISO 6507-1 DIN EN ISO 643 DIN EN ISO 6508-1 + 3 more
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COFRAC 1-5570 Lille, FR
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Laboratoire Orano DA

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COFRAC 1-6708 Saint Paul Trois Chateaux, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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Laboratoire belge de l'Industrie Electrique (Laborelec)

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BELAC 002-CAL Linkebeek, BE
IEC 61619 TENSION DC / voltmètre, multimètre COURANT DC / ampèremètre, multimètre TENSION AC / voltmètre, multimètre COURANT AC / ampèremètre, multimètre + 3 more
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Laboratoire d'Analyses de Surveillance et d'Expertise de la Marine (LASEM)

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COFRAC 1-1083 Toulon Armees, FR
DIN EN 27888 DIN EN ISO 11885 DIN EN ISO 10523 DIN EN 26777 DIN EN ISO 10304-1 + 3 more
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Laboratoire de Microbiologie RD&E

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COFRAC 1-6419 Sainghin-En-Melantois, FR
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Laboratoire de l'Environnement et de l'Alimentation de la Vendée (LEAV)

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COFRAC 1-1064 La Roche-Sur-Yon Cedex 9, FR
DIN EN 27888 ISO 4832 ISO 15214 ISO 21527-2 DIN ISO 16649-2 + 3 more
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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

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