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(華東建筑設(shè)計研究院有限公司, 上海 200002)
摘要: 觀音圣壇建筑外輪廓呈逐層內(nèi)收的退臺形式,主體結(jié)構(gòu)采用曲線核心筒+轉(zhuǎn)換桁架+混凝土拱頂?shù)木扌涂蚣芙Y(jié)構(gòu)體系,通過將主次結(jié)構(gòu)分離來實(shí)現(xiàn)特殊的外立面建筑造型. 對比分析了不同樓板及基礎(chǔ)梁剛度,保證了巨型框架柱的水平力平衡;利用樁基抗剪承載力、基礎(chǔ)被動土壓力復(fù)核不同地震作用下基底剪力平衡的安全系數(shù);采用了內(nèi)埋鋼骨斜撐的剪力墻,解決了豎向荷載下傾斜核心筒較大的附加彎矩以及與轉(zhuǎn)換桁架的關(guān)鍵連接傳力;子結(jié)構(gòu)通過采用下部雙層混凝土斜交網(wǎng)格+上部單層鋁合金網(wǎng)殼的組合結(jié)構(gòu),實(shí)現(xiàn)結(jié)構(gòu)與建筑室內(nèi)一體化設(shè)計,同時采用下部、上部設(shè)置預(yù)應(yīng)力環(huán)梁、網(wǎng)格找形來平衡底部水平力,提高上部開口部位豎向剛度及減小單層網(wǎng)殼的面內(nèi)變形. 結(jié)果表明結(jié)構(gòu)體系合理、有效、安全.
關(guān)鍵詞: 觀音圣壇; 建筑結(jié)構(gòu)一體化; 巨型框架; 混凝土斜交網(wǎng)格; 鋁合金網(wǎng)殼
中圖分類號:TU318 文獻(xiàn)標(biāo)志碼:A 文章編號:1002?848X(2022)10?0067?06
DOI:10. 19701 / j.jzjg.HDY2242
Structural design of Guanyin Temple
LI Ye, JIANG Wenwei, ZHANG Rong, YU Xiaoming
(East China Architectural Design & Research Institute Co., Ltd., Shanghai 200002, China)
Abstract: The outer contour of the Guanyin Temple building is in the form of a setback that is retracted layer by layer. Themain structure adopts the structure system of special?shaped mega core tube + transfer truss + concrete dome to separate theprimary and secondary structures and realize the architectural modeling of special?shaped facade. The stiffness of differentfloor slabs and foundation beams was compared and analyzed to ensure the horizontal force balance of giant frame columns.Using pile foundation shear capacity and foundation passive earth pressure to check the safety factor of foundation shearforce balance under different earthquake levels. The shear wall with embedded steel diagonal bracing was adopted to solvethe large additional bending moment of the inclined core tube under vertical load and the key connection force transmissionwith the transfer truss. The sub?structure realizes the integrated design of the structure and the building interior by adoptingthe combined structure of the lower double?layer concrete oblique grid and the upper single?layer aluminum alloy reticulatedshell. At the same time, prestressed ring beams and grid form?finding were used in the lower part and upper part to balancethe horizontal force at the bottom, improve the vertical stiffness of the upper opening part and reduce the in?planedeformation of the single?layer reticulated shell. The results show that the structure system is reasonable, effective and safe.
Keywords:Guanyin Temple; architecture?intergated structure; mega frame; concrete oblique grid; aluminum alloy reticulated shell
第一作者:李燁,碩士,高級工程師,一級注冊結(jié)構(gòu)工程師,主要從事復(fù)雜結(jié)構(gòu)分析與設(shè)計以及結(jié)構(gòu)抗震性能化研究,Email:ye_li@ ecadi.com.
[引用本文] 李燁,姜文偉,張蓉,等. 觀音圣壇結(jié)構(gòu)設(shè)計[ J]. 建筑結(jié)構(gòu),2022,52 ( 10):67?72. LI Ye, JIANGWenwei,ZHANG Rong,et al. Structural design of Guanyin Temple [J]. Building Structure,2022,52(10):67?72.
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