鋼-混凝土混合結(jié)構(gòu)阻尼分析方法
俞欣，陽光
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（天津市建筑設(shè)計(jì)院，天津300074）[摘要]通過總結(jié)相關(guān)研究成果和相關(guān)設(shè)計(jì)規(guī)范要求，結(jié)合常用結(jié)構(gòu)設(shè)計(jì)軟件的阻尼比計(jì)算功能，介紹了天津網(wǎng)球中心比賽場項(xiàng)目結(jié)構(gòu)應(yīng)變能阻尼比的計(jì)算應(yīng)用和等效綜合阻尼比的計(jì)算方法；并對不同阻尼比下的計(jì)算結(jié)果差異進(jìn)行比對，闡明阻尼比對結(jié)構(gòu)分析結(jié)果的影響。[關(guān)鍵詞]鋼結(jié)構(gòu)屋蓋; 經(jīng)典阻尼; 非經(jīng)典阻尼; 應(yīng)變能比例法; 等效綜合阻尼比中圖分類號：TU375 文獻(xiàn)標(biāo)識碼：A 文章編號：1002-848X(2013)S2-0467-05作者簡介：俞欣，本科，工學(xué)學(xué)士，高級工程師，一級注冊結(jié)構(gòu)工程師，jeffyu@vip.sina.com。Damping analysis method on steel-concrete hybrid structureYu Xin, Yang Guang(Tianjin Architecture Design Institute, Tianjin 300074, China)Abstract: The research results and current codes which calculate the damping ratio on non-classic damping system were summarized, which using damping ratio calculation function in popular structural design software, it introduced the calculating method of structural strain energy and the equivalent damping ratio by the example of Tianjin Tennis Center; And then with comparing the calculated results on different damping ratios, it clarified the impact on structural analysis.Keywords: steel roof; classical damping; non- classical damping; modal strain energy method; comprehensive equivalent damping ratio
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