Cranes — Classification - Jib cranes
Cranes — Classification - Jib cranes
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1 Scope This document establishes a general classification of jib cranes and their mechanisms based on the service conditions, expressed by the following:
the total number of working cycles to be carried out during the specified design life of the jib crane; the load spectrum factor which represents the relative frequencies of loads to be handled; the average displacements.
Другие стандарты BS
