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許雅玲1， 曹加良2
（1 建設(shè)綜合勘察研究設(shè)計(jì)院有限公司，北京 100007；2 同濟(jì)大學(xué)，上海 200092）[摘要] 球型鋼支座作為一種不可替代的節(jié)點(diǎn)連接裝置，其具有傳力可靠、轉(zhuǎn)動(dòng)靈活、承載力高、允許位移量大的優(yōu)點(diǎn)，使節(jié)點(diǎn)受力情況與理論計(jì)算圖式相符合，目前在我國大跨度空間鋼結(jié)構(gòu)中得到了廣泛應(yīng)用。對(duì)球型鋼支座的構(gòu)造、工作原理、類型及選用、設(shè)計(jì)依據(jù)、有限元分析、安裝維護(hù)、工程應(yīng)用等進(jìn)行了概述和總結(jié)，為球型鋼支座工程設(shè)計(jì)和應(yīng)用提供參考。
[關(guān)鍵詞] 鋼支座；球型支座；節(jié)點(diǎn)連接裝置；大跨空間結(jié)構(gòu)；鋼結(jié)構(gòu)
中圖分類號(hào)：TU513, TU356, TU393 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2012) Sl-0733-03Application of spherical steel bearings in building structures
Xu Yaling1, Cao Jialiang2
(1 China Institute of Geotechnical Inverstigation and Surveying, Beijing 100007, China; 2 Tongji University, Shanghai 200092, China)Abstract: Spherical steel bearings as one kind ofirreplaceable joint connection devices have the advantages of transfemng force reliably, rotating smoothly, high bearing capacity, larger allowable deformation capacity and making the joint mecluuucal behavior accordance with theoretical calculation model. Therefore, spherical steel bearings have been widely applied in large-span spatial steel structures. Main aspects of spherical steel bearings were summarized and discussed, such as configuration, working principle, types and adoption, design basis, finite element analysis, installation and maintenance, project application of spherical steel bearings. Furthermore, reference for design and adoption of spherical steel bearings could be provided.
Keywords: steel bearing; spherical bearing; joint connecUon device; large-span spatial structure, steel structure
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