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（中國建筑標(biāo)準(zhǔn)設(shè)計(jì)研究院， 北京 100048）
［摘要］襄陽科技館項(xiàng)目建筑外表面為空間不規(guī)則曲面，平面布置呈橢圓環(huán)形。主體為鋼框架-混凝土剪力墻結(jié)構(gòu)體系，上部為交叉網(wǎng)格鋼結(jié)構(gòu)屋蓋。項(xiàng)目存在空間形體復(fù)雜、屋蓋結(jié)構(gòu)異形、北側(cè)結(jié)構(gòu)整體外挑、東側(cè)入口處大跨度空間等結(jié)構(gòu)設(shè)計(jì)難點(diǎn)。進(jìn)行了設(shè)防地震下的彈性分析以及罕遇地震下的彈塑性分析，并進(jìn)行了相應(yīng)抗震性能目標(biāo)下結(jié)構(gòu)整體和局部的抗震性能驗(yàn)算，以確保結(jié)構(gòu)安全可靠，使其具有良好的抗震性能。
［關(guān)鍵詞］襄陽科技館； 鋼結(jié)構(gòu)； 復(fù)雜空間結(jié)構(gòu)； 抗震設(shè)計(jì)； 性能目標(biāo)
中圖分類號：TU391文獻(xiàn)標(biāo)識碼：A文章編號：1002-848X(2016)19-0035-05
Steel structural design of Xiangyang Science and Technology Museum
Zhang Linzhen, Liu Jianfei, Liu Han, Xing Wanli, Yu Yinquan
(China Institute of Building Standard Design & Research, Beijing 100048, China)
Abstract:Architectural fa-ade of Xiangyang Science and Technology Museum project has spatial irregular curve surface and its plane layout is an oval ring. The main body is the steel frame-concrete shear wall structural system, and the upper part is the cross grid steel structural roof. The project has the difficulties in the structural design, such as the complex spatial structure, the abnormal shape of roof structure, overall cantilever of the north structure, and the large-span space in the east entrance. For the project, elastic analysis under the fortification earthquake was supplemented as well as elasto-plastic analysis under the rare earthquake. And the seismic performance calculations for the overall structure and local parts were carried out based on corresponding seismic performance objectives, to ensure that the structure is safe and reliable and to make it have good seismic performance.
Keywords:Xiangyang Science and Technology Museum； steel structure; complex spatial structure; seismic design; performance objective
作者簡介：張林振，碩士，高級工程師，Email：281161992@qq.com。
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