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（重慶市設(shè)計(jì)院， 重慶 400015）

［摘要］重慶施光南大劇院為一座容納1 300人的大型劇院建筑，采用框架-剪力墻結(jié)構(gòu)體系。本劇院建筑內(nèi)部空曠，造成了若干樓層的樓板不連續(xù)，劇院與下側(cè)的會(huì)議廳、宴會(huì)廳連為一個(gè)整體結(jié)構(gòu)單元，建筑功能布局復(fù)雜。7-4m長(zhǎng)懸挑看臺(tái)、31-4m跨度劇場(chǎng)種植屋面、26m跨度會(huì)議廳和宴會(huì)廳是結(jié)構(gòu)設(shè)計(jì)的難點(diǎn)，此外結(jié)構(gòu)抗震超限、螺旋樓梯也是本工程的典型特點(diǎn)。通過(guò)多處應(yīng)用預(yù)應(yīng)力技術(shù)、采用多種軟件進(jìn)行分析、根據(jù)大震樓板應(yīng)力結(jié)果指導(dǎo)薄弱板帶的配筋設(shè)計(jì)、精心選擇剪力墻的合理布置等綜合手段，有效解決了上述技術(shù)難點(diǎn)，取得了良好的建筑使用效果和經(jīng)濟(jì)效益，相關(guān)設(shè)計(jì)施工經(jīng)驗(yàn)可供類似工程參考。

［關(guān)鍵詞］大劇院； 大跨度； 長(zhǎng)懸挑； 預(yù)應(yīng)力

中圖分類號(hào)：TU313-3文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2017)16-0039-07

Structural design of Shiguangnan Theater in Chongqing

Zhai Ying, Lin Feng, Peng You, Li Zhanping

(Chongqing Architectural Design Institute, Chongqing 400015, China)

Abstract:Shiguangnan Theater in Chongqing is a large theater building accommodated 1300 audience, and it adopts the structural system of frame-shear wall structure. This theatre building has an empty interior to cause discontinuous slabs in several floors. The theatre and the lower conference hall and banquet hall are connected as a whole structural unit. The building function layout is very complex. The structural design has difficulties of 7-4m-long cantilever grandstand, the theater planting roof spanning 31-4 meters, conference hall and banqueting hall spanning 26 meters. In addition, the project also has the typical features of out-of-code seismic design and spiral stairs. The above technical difficulties were finally effectively solved through the application of prestressed technology in various parts, analysis using a variety of softwares, guiding reinforcement design of weak plate according to the results of stress analysis under rare earthquake, and through rational arrangement of shear wall. This project achieves good architecture service effect and economic benefit. Relevant design and construction experience of the project can provide reference for the similar engineering.

Keywords:large theater; large span; long cantilever; prestress

作者簡(jiǎn)介：翟影，碩士，高級(jí)工程師，副主任工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email:12704572@qq.com。