标准编号:ISO 4301-3:2021
中文名称:起重机 分类 第3部分:塔式起重机
英文名称:Cranes — Classification — Part 3: Tower cranes
发布日期:2021-05
标准范围
This document provides the classification of tower cranes for construction work as defined in ISO 4306-3, and gives specific requirements for steel supporting structure, mechanisms, ropes and further components basing on standard service conditions, mainly expressed by the following:
— the number of working cycles;
— the load spectrum factor; — the average displacements;and
— additional values for factors to be used at the structural or mechanical calculation.