I.S. EN 16452:2015+A1:2019

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviations
5 Overall requirements
6 Acceptance procedure
7 Category A requirements
8 Category B requirements
9 Category C requirements
10 Environmental issues
11 Marking
Annex A (normative) - Summary of Dynamometer test pro
        grams and acceptance criteria
Annex B (normative) - General requirements for conducting
        dynamometer test programmers
Annex C (normative) - Composite brake blocks (K)
        (2Bg - 2Bgu) - Demonstration of friction properties
        for S and SS (S/SS) - braked freight wagons
        (v[max] = 120 km/h)
Annex D (normative) - Composite brake blocks
        (LL) - Demonstration of friction properties
        for S and SS (S/SS) - braked freight wagons
        (v[max] = 120 km/h)
Annex E (normative) - Composite brake blocks (K)
        (1Bg)- Demonstration of friction properties
        for S and SS (S/SS) - braked freight wagons
        (v[max] = 120 km/h)
Annex F (normative) - Composite brake blocks
        (L) - Demonstration of friction properties for
        extra tread brake of coach
Annex G (normative) - Composite brake blocks
        (K) - Demonstration of friction properties
        for locomotives
Annex H (normative) - Composite brake blocks
        (K) - Demonstration of friction properties for
        EMU - DMU
Annex I (normative) - Composite brake blocks
        (K) - Demonstration of friction
        properties for High speed train (motor bogie)
Annex J (informative) - Dynamometer test
        program - Generic test program
Annex K (normative) - Dynamometer Test program
        to detect the formation of metal pick-up at
        the brake block
Annex L (normative) - Dynamometer test program to
        demonstrate the extreme winter braking
Annex M (normative) - Test run to demonstrate
        the extreme winter braking properties
        brake blocks K - LL for freight wagons
Annex N (normative) - Dynamometer Test program
        to simulate 'Locked brake'
Annex O (normative) - Dynamometer test program
        to demonstrate the compatibility with track circuits
Annex P (informative) - Vehicle test to demonstrate
        the compatibility with track circuits
Annex Q (informative) - Dynamometer test
        program - Determination of static
        friction coefficient
Annex R (informative) - Dynamometer test
        program - Simulation of service conditions
        for freight wagons
Annex S (normative) - Interchangeability, rejection lugs
        and critical dimensions
Annex T (normative) - Brake block shear and flexural
        strength tests
Annex U (normative) - Limitation of permissible mechanical
        damage of brake block
Annex V (normative) - In service assessment of brake block
Annex W (informative) - Complementary definitions
        and abbreviations
Annex X (informative) - Brake block characterization test
Annex ZA (informative) - Relationship between this
         European Standard and the Essential Requirements
         of EU Directive 2008/57/EC
Bibliography

Describes the requirements for the design, dimensions, performance, and testing of a brake block (otherwise known as brake shoe insert) that acts on the wheel tread as part of a tread brake system.