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（江蘇省建筑設(shè)計(jì)研究院有限公司， 南京 210019）

［摘要］南京江北圖書館主體結(jié)構(gòu)高度40-0m，采用鋼框架結(jié)構(gòu)體系，建筑平面由東西兩個(gè)分區(qū)組成，東西單體于3～6層僅有兩道連廊連接，單個(gè)連廊寬度約為5m，結(jié)構(gòu)內(nèi)存在東西單體變形協(xié)調(diào)、連廊薄弱連接、大跨桁架轉(zhuǎn)換、大懸挑、斜柱、穿層柱等情況，為復(fù)雜超限高層。闡述了本項(xiàng)目的結(jié)構(gòu)體系、分塊剛體模型及其性能化目標(biāo)。全面介紹了結(jié)構(gòu)設(shè)計(jì)中的關(guān)鍵技術(shù)問題，包括反應(yīng)譜分析、彈性時(shí)程分析、樓板應(yīng)力分析、人致振動(dòng)舒適度分析、節(jié)點(diǎn)分析等。結(jié)果表明，結(jié)構(gòu)整體設(shè)計(jì)滿足設(shè)定的性能目標(biāo)及規(guī)范的相關(guān)要求。

［關(guān)鍵詞］南京江北圖書館； 復(fù)雜超限高層； 分塊剛體； 空間結(jié)構(gòu)； 人致振動(dòng)舒適度分析； 節(jié)點(diǎn)分析

中圖分類號(hào)：TU318文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2019)24-0024-05

Structural design of   Nanjing Jiangbei Library

Leng Bin, Zhang Lei

(Jiangsu Provincoal Architectural D&R Institute Ltd, Nanjing 210019, China)

Abstract:The main structure of the Library in Nanjing Jiangbei New Area with 40-0 meters height adopts steel frame structural system. The plane of the building is composed of two east and west partitions. There are only two corridors connecting the east and west buildings on the third to sixth floors. The width of a single corridor is about 5m. There are some situations in the complex out-of-code tall building structure, such as the coordination of the deformation of the east and west buildings, the weak connection of the corridor, the transformation of the large-span truss, the large cantilever, the inclined column and  the cross-layer column, etc. The structural system, multi-rigid body model and performance-based design goal of the project were described. The key technical problems in structural design were introduced, including response spectrum analysis, elastic time-history analysis, floor stress analysis,  analysis of human-induced vibration comfort and joint analysis, etc. The results show that the overall design of the structure meets the set performance objectives and the relevant requirements of the specification.

Keywords: Nanjing Jiangbei Library; complex out-of-code tall building; multi-rigid body; spatial structure; analysis of human-induced vibration comfort; joint analysis

作者簡介：冷斌，碩士，高級(jí)工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email：377528834@qq.com。