- 摘 要
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（1廣東數力工程顧問有限公司，510170；2廣東省建筑設計研究院，廣州，510010；3廣州容柏生建筑工程設計事務所，510170）
［提要］對混凝土芯筒懸臂結構在大震作用下的彈塑性受力性能進行分析和研究。對廣東省博物館工程結構特點的定性分析表明，懸臂芯筒在大震作用下的延性性能是結構大震不倒的關鍵。對結構采用精細的彈塑性模型進行動力彈塑性分析，梁柱單元用塑性區(qū)模型，剪力墻用帶分布鋼筋的殼元+混凝土彈塑性損傷模型。結果表明，混凝土芯筒的剪力墻屈服后，其內置的延性加強構件(鋼管柱)對結構的防倒塌有顯著的作用。
［關鍵詞］結構分析；動力彈塑性分析；芯筒懸臂結構
Elasto-plastic Performance Analysis and Research of Core-wall Cantilever Structure Under Strong Earthquake/Li Zhishan1， Chen Xing2， Rong Baisheng2,3 (1 Guangzhou Scientific Computing Consultants Co., Ltd., Guangzhou 510170, China; 2 The Architectural Design and Research Institute of Guangdong Province, Guangzhou 510010, China; 3 RBS Architectural Engineering Design Association, Guangzhou 510170, China)
Abstract: The performance of the corewall cantilever structure under the great earthquake is analyzed and researched. The dynamic elasto-plastic analysis of Guangdong museum is finished. The refined elastic\|plastic FEM model is used and suitable member model is chosen to simulate the structure component. It is found that the ductile strengthen member (concrete fill steel tube) play an important role to prevent the structure from collapse after the shear walls partially yield.
Keywords: structure analysis; dynamic elasto-plastic analysis; core-wall cantilever structure
