塔式起重机的使用年限和淘汰策略

Service life and discarding criteria of tower crane

根据北京地区塔式起重机的使用现状 ,提出其现存的问题 ,对影响塔式起重机使用年限的因素及塔式起重机使用年限与塔式起重机事故的相关性进行分析 。

This paper points out existing problems with the tower cranes in service in Beijing region,analyses the relationship fetween service life and accidents of tower crane and various factors that have influence on the service life,and proposes tower crane discarding criteria.