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劉 俊1，趙 洋1，滕 軍2
（1香港華藝設(shè)計顧問（深圳）有限公司，深圳518031; 2 哈爾濱工業(yè)大學(xué)深圳研究生院，深圳518055)[摘要] 在常規(guī)的高層結(jié)構(gòu)設(shè)計中，一般將上部結(jié)構(gòu)和基礎(chǔ)部分分開設(shè)計，即分析上部結(jié)構(gòu)時認(rèn)為底部固接，忽略基礎(chǔ)和地基土的變形對其內(nèi)力的影響。而實際上部結(jié)構(gòu)-基礎(chǔ)-地基三者共同工作、協(xié)同變形，基礎(chǔ)和地基變形會引起上部結(jié)構(gòu)內(nèi)力的重分布，上部結(jié)構(gòu)對基礎(chǔ)的變形也具有一定的限制作用。因此，設(shè)計常用方法與實際情況存在一定的差異。以某高層結(jié)構(gòu)為例，運(yùn)用ANSYS軟件建立上部結(jié)構(gòu)，筏板基礎(chǔ)，地基共同工作的分析模型，分析考慮三者共同工作和單獨考慮上部結(jié)構(gòu)兩種情況下結(jié)構(gòu)構(gòu)件內(nèi)力的變化情況；并進(jìn)一步分析不同的地基土彈性參數(shù)對上部結(jié)構(gòu)內(nèi)力的影響規(guī)律，為設(shè)計提供參考。
[關(guān)鍵詞] 上部結(jié)構(gòu)；基礎(chǔ)；地基；共同工作；內(nèi)力分析Structural components inner force analysis on interaction of up-structure, raft foundation and soil
Liu Jun1, Zhao Yang1, Teng Jun2
(1 Hong Kong Hua Yi Designing Consultants(S.Z.)Ltd, Shenzhen 518031, China; 2 Harbin Institute of Technology, Shenzhen Graduate School, Shenzhen 518055, China)Abstract: In the regular design of high-rise buildings, up-structure and basement are analyzed separately, which considering bottom of up-structure as fixed end, ignoring the inner force affection of foundation sedimentation. But in fact, structure, foundation and ground base works as a integrality, they deform compatible, the deformation of foundation and ground base can lead to redistribution of inner forces, as well as the structure has a restriction to foundation of sedimentation. As a result, there are differences between usual design method and practical situation. Based on an actual project, using ANSYS software, it analyzes the alteration of structural member inner forces with and without the consideration of interaction, and does further analysis of affection of different soil parameter on structure inner forces for the referencein design.
Keywords: up-structure; raft foundation, soil, interaction, inner forces analysis
