城市的发展是一个通过不断更新、改造来完成新陈代谢的过程,建筑改造已经成为城市发展的一个趋势。本文正是在这个大背景下,以某办公大楼加固改造设计为例来分析办公建筑改造的思路和方法,重点研究办公建筑在空间功能上的整合衍生,以及原有建筑风格材质与新结构的整合与共生,总结出新旧共生的一些设计手法和原则。 The development of the city is a process of completing the metabolism by constantly updating and reforming, and the building renovation has become a trend of urban development. Based on this background, this paper analyzes the thinking and methods of office building renovation with the example of the reinforcement design of an office building, focusing on the integration and derivation of office building’s functions in space, as well as the original construction style materials and new structure Integration and symbiosis, summed up the old and new symbiosis some of the design practices and principles.