Virginia Beach: International Heavy Haul Assotiation, 2009. — 656 с.These Guidelines have been prepared by the Technical Review Committee under the auspices of the International Heavy Haul Association as an input to the decision making processes of heavy haul railways. They represent the best efforts of the Technical Review Committee authors and reviewers. The Guide lines are neither mandatory directives nor intended to summarize and interpret the extensive heavy haul technical literature. There are special combinations of circumstances in which the best
practices may differ from those discussed in the Guidelines. Therefore, these guidelines are neither mandatory nor do they describe exclusive methods to achieve optimum rail/wheel perfo mance.
