Railway applications. Track. Performance requirements for fastening systems - Fastening systems for wood sleepers Ingestion-build-73073 The purpose of the percentage

The purpose of the percentage determination of crushed and broken surfaces is to maximize shear strength by increasing inter-particle friction in either bound or unbound aggregate mixtures and provide stability for surface treatment aggregates and provide increased friction and texture for aggregates used in pavement surface courses

This document specifies methods for determining the deterioration of plastics due to the action of fungi and bacteria and soil microorganisms

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This part of ISO/TR 14639 reviews international experiences in the construction of national eHealth architectures and introduces a methodology for strategic development of HIS[4]

Railway applications. Track. Performance requirements for fastening systems - Fastening systems for wood sleepers Ingestion-build-73073 The purpose of the percentage1 Scope This European Standard is applicable to fastening systems, in categories A C and E as specified in EN 13481 1: 2012, 3. 1, for use on wood sleepers in ballasted track with maximum axle loads and minimum curve radii in accordance with Table 1. Table 1 Fastening category criteria Category Maximum design axle load Minimum curve radius kN m A 130 40 B 180 80 C 260 150 E 350 150 NOTE The maximum axle load for categories A and B does not apply to