摘要
本文简略介绍了国外塔式起重机的发展与现状,系统地分析了国外塔式起重机的技术进步以及发展特点和趋势。
The developments and status quos on the foreign tower cra- nes are briefly introduced in the paper the technical progress and deve- lopment characteristics and trends are also systematically analyzed.
出处
《山东建筑大学学报》
1990年第2期60-69,共10页
Journal of Shandong Jianzhu University
关键词
塔式起重机
技术进步
发展趋势
起重力矩
组合设计
tower crane
technical progress
development trend
load moment
combinative design