- 摘 要
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(1 北京市建筑設計研究院，北京 100045； 2 中國電力技術進出口公司，北京 100011)
［摘要］中國電力技術進出口公司辦公樓加層改造采用了外套鋼框架的加層方案。結合工程實踐，著重探討了結構加層改造方案的確定，新建結構基礎與原有結構基礎關系的處理及后壓漿技術的實施，跨層外套大柱的計算長度系數(shù)的確定以及外套加層結構的抗震性能等方面的問題?？晒╊愃乒こ痰募訉痈脑煸O計參考。
［關鍵詞］外套加層；計算長度系數(shù)；彈塑性分析
Research on seismic strengthening and adding story for CETIC office building
Ding Zhijuan1, Huang Jia1, Qin Kai1, Zhu Zhongyi1, Zhang Yongnan2, Yu Ziniu2(1 Beijing Institute of Architectural Design,Beijing 100045,China; 2 China Electric Power Technology IMP. & EXP. Co.,Beijing 100011,China)
Abstract:The seismic strengthening and adding story for CETIC office building adopted the technology of outer-cover-steel-frame. Taking this project as example, the project plan selection for adding story, foundation design, the effect of cast-in-place pile of post grouting, length coefficient for cross-story-column and seismic performance of this type of structure were discussed. The contentions and methods can be references to similar adding story design.
Keywords:adding story; length coefficient; inelastic analysis
作者簡介：丁志娟，高級工程師，一級注冊結構工程師，Email:572119972@99.com。
