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（廣東省建筑設(shè)計(jì)研究院， 廣州 510370）
[摘要]介紹了新疆喀什體育場罩棚的鋼結(jié)構(gòu)設(shè)計(jì)，分析了鋼結(jié)構(gòu)設(shè)計(jì)中溫度作用對結(jié)構(gòu)的影響，并對鋼結(jié)構(gòu)罩棚及支撐鋼結(jié)構(gòu)屋面的混凝土柱在大震作用下的地震響應(yīng)進(jìn)行論述。在罕遇地震作用下，上部鋼結(jié)構(gòu)僅在懸挑端部局部出現(xiàn)構(gòu)件截面部分屈服。對于支撐鋼屋蓋混凝土柱大量出現(xiàn)My和Mz鉸，局部破壞程度達(dá)到構(gòu)件明顯破壞。大震作用下，支撐鋼屋蓋的混凝土柱縱向配筋率需要加強(qiáng)以提高抗彎能力。
[關(guān)鍵詞]喀什體育場； 徑向懸挑桁架； 超長結(jié)構(gòu)； 溫度應(yīng)力
中圖分類號： TU318 文獻(xiàn)標(biāo)識碼： A文章編號： 1002-848X(2016)S2-0364-06
Steel structure design of Kashi Sport Stadium
Liu Xuebing， Ou Tong， Chen Jinyu
(The Architectual Design and Reasearch Institute of Guangdong Province, Guangzhou 510370, China)
Abstract: The design of steel structure of Xinjiang Kashi Stadium Canopy was introduced, the temperature effect of steel structure design of structure was analyzed, and the seismic response of reinforced concrete column steel roof and supporting steel roof under major earthquake was discussed. Under the action of rare earthquake, the steel structure of the upper part of the steel structure is only partially in the section of the cross section of the suspension. For the support of the steel roof concrete columns, a large number of My and Mz joints, the degree of local failure to achieve significant damage. Under the action of earthquake, the longitudinal reinforcement ratio of concrete columns supporting the steel roof should be strengthened to improve the bending resistance.
Keywords: Kashi Sport Stadium； radial cantilever truss; super length structure; temperature stress
作者簡介： 劉雪兵，高級工程師，Email：liuxb1999@163.com。
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