超大面积焊接球网架整体提升过程的数值模拟与计算分析

摘要

针对中国商飞部装厂房3万m2焊接球屋盖的整体提升,建立施工过程的计算模型,对其在整体提升过程中的安全性进行全面分析.论述该类结构计算分析中需考虑的问题及处理方法.在保证结构提升安全的前提下修改设计使结构替换的用钢量最少、施工工期最短.%Analyzed the safety of flexible enhancing the overall roof and built a correct computation moldel for the COMAC ministry of installed plant. Discussed several aspects need to be considered during the analysis of the processing method and received their treatment. Modified the design to guarantee structure to enhance the security of the premise structure to replace the least amount of steel, and shorten construction period.