Common Core Specification

Final Report

Specification for laboratory tests with hotbox detectors

Testing of hot box detectors Part 1: General description of tests carried out.

The electrical resistance of track circuits on tracks with wooden, concrete and steel sleepers as well as ways and means of improving the insulation

Study of the electrical characteristics of a track circuit

Methods of computing track circuits

Report on the questionnaire on the in sulating properties of track laid on wooden sleepers

Axle counters

Electrical properties of a track laid on wooden sleepers and practical determination of its essential characteristic data