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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DIN EN ISO 13720 DIN EN ISO 18593 DIN EN ISO 16212 DIN EN ISO 18416 DIN EN ISO 21149 + 3 more
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Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) DIN EN ISO 6506-1 ASTM E 8 ISO 6506-1 + 3 more
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DIN EN 15984 DIN EN 27888 DIN EN ISO 15549 DIN EN ISO 11885 DIN EN 13657 + 3 more
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DIN EN 27888 ISO 4832 ISO 21527-1 ISO 21527-2 DIN EN ISO 4833-1 + 3 more
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DIN EN ISO 17294-2 DIN EN ISO 10304-4 ISO 6222 ISO 7899-2 ISO 9308-1 + 3 more
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ISO 15705 ISO 23696-1 ISO 23695 UNI 11759 APAT CNR IRSA 2090 B Man 29 2003
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ISO 6222 ISO 7899-2 ISO 9308-1 DIN EN ISO 9308-2 ISO 9308-2 + 3 more
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ISO 4833-2 OIV-MA-AS313-01 cap 5.2 R2015 OIV-MA-AS313-02 R2015 OIV-MA-AS323-04B R2009 OIV-MA-AS2-03B R2012 + 3 more
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DIN EN ISO 4833-1 DIN EN ISO 16649-3 DIN EN ISO 18593 DIN EN ISO 19458 ISO 11731 + 3 more
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ISO 4832 ISO 6222 ISO 7899-2 ISO 9308-1 based on ISO 13366-2:2006 + 3 more
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ISO 15214 DIN EN ISO 4833-1 DIN EN ISO 6579-1 DIN EN ISO 6888-2 DIN EN ISO 11290-1 + 3 more
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ISO 4832 DIN EN ISO 4833-1 DIN EN ISO 21528-2 ISO 16649-2 ISO 21528-2 + 3 more
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DIN EN ISO 3679 ISO 4832 ISO 21527-1 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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