摘要
以超高层项目动臂塔机在核心筒内爬升施工为案例,介绍了动臂塔机的支撑梁、牛腿及埋件的设计与安装方式,分析了塔机在工作和非工作状态下,标准节上下支撑梁在0°、45°、90°、135°、180°共5个方向的荷载工况,运用有限元数据模拟方法复核了各工况下支撑梁系统和剪力墙的受力状态,结果表明支撑钢梁和牛腿的应力比、剪力墙的受力状态均满足设计要求。对超高层项目塔机的选择和支撑系统的设计提供了一种精确、可靠的计算方法。
Combined with the project of tower crane climbing in the core tube of a super high-rise building,this paper introduces the design and installation methods of the supporting beam,the bracket,and embedded parts of the tower crane.The working and non-working conditions of the tower crane under the load conditions of 0°,45°,90°,135°,and 180°are analyzed,in which the load conditions of the supporting beam system and the shear wall are rechecked by the finite element data simulation method.The results show that the stress ratio of the supporting steel beam and the stress state of the shear wall meet the design requirements.This paper provides an accurate and reliable calculation method for the selection of tower crane and the design of support system for super high-rise projects.
作者
程昌宏
郭宇海
CHENG Changhong;GUO Yuhai(Anhui Jingtian Environmental Protection Technology Co.,Ltd.,Anhui Hefei 230001,China)
出处
《低温建筑技术》
2022年第4期155-158,共4页
Low Temperature Architecture Technology
关键词
超高层
动臂塔机
支撑梁
应力分析
super high-rise building
boom tower crane
supporting beam
stress analysis
