吊车梁更换改造设计的方法

Design Method of Crane Beam Replacement and Modification

本文通过介绍旧厂房内吊车梁更换的实例，提出了比较实用的设计思路和施工步骤，并对计算结果进行分析，得出一般性结论。同时给出处理类似问题的方法和建议。

Introduce a project case of changing the crane beam in the old plant building and put forward the practical design ideals and construction procedures. Analyze the calculation results and draw general conclusions, and also provide the treatment methods and suggestions for the similar problems.