标准摘要
This document establishes a general classification of bridge and gantry cranes and their mechanisms based on the service conditions, mainly expressed by the following: a) total number of working cycles to be carried out during the specified design life of the crane; b) the load spectrum factor which presents the relative frequencies of loads to be handled; c) the average load displacements.
英文名称Cranes — Classification — Part 5: Bridge and gantry cranes