PREN 16452 : DRAFT 2012

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 programs and acceptance criteria
Annex B (normative) - General requirements for
        conducting dynamometer test programmes
Annex C (normative) - Composite brake blocks
        (K) - Demonstration of friction properties
        for S and SS (S/SS) - braked wagons
        (v[max] = 120 km/h)
Annex D (normative) - Composite brake blocks
        (LL) - Demonstration of friction properties
        for S and SS (S/SS) - braked wagons
        (v[max] = 120 km/h)
Annex E (normative) - Composite brake blocks
        (K) - Demonstration of friction properties
        for S and SS (S/SS) - braked 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
Annex L (normative) - Dynamometer test program
        to demonstrate the extreme winter
        braking properties
Annex M (normative) - Test run to demonstrate the
        extreme winter braking properties brake
        blocks K - LL for freight cars
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 (normative) - 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
        cars
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) - Limitation of permissible
        damage to the wheel
Annex W (normative) - In service assessment of
        brake block
Annex X (informative) - Complementary definitions
        and abbreviations
Annex ZA (informative) - Relationship between this
         European Standard and the Essential
         Requirements of EU Directive 2008/57/EC
Bibliography

Defines the requirements for brake blocks (otherwise known as shoe inserts) for tread brakes of railway rolling stock.