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(中船第九設(shè)計(jì)研究院工程有限公司, 上海 200063)
[摘要]結(jié)合某超限高層框架-核心筒結(jié)構(gòu),對(duì)結(jié)構(gòu)抗震性能化設(shè)計(jì)的基本方法進(jìn)行了探討。根據(jù)現(xiàn)行規(guī)范、設(shè)防類別、場(chǎng)地條件、結(jié)構(gòu)類型和結(jié)構(gòu)不規(guī)則性等因素,確定了結(jié)構(gòu)的抗震性能目標(biāo)及設(shè)計(jì)指標(biāo),并運(yùn)用數(shù)值模擬進(jìn)行了彈性反應(yīng)譜分析,中震、大震下的靜力彈塑性分析以及樓板應(yīng)力分析。結(jié)果表明:結(jié)構(gòu)的各項(xiàng)指標(biāo)均能滿足預(yù)設(shè)的結(jié)構(gòu)抗震性能設(shè)計(jì)指標(biāo),工程結(jié)構(gòu)布置合理,抗震措施恰當(dāng)。
[關(guān)鍵詞]抗震性能化設(shè)計(jì); 超限高層建筑; 性能目標(biāo); 靜力彈塑性分析
中圖分類號(hào):TU375文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1002-848X(2018)03-0101-05
Research on performance-based seismic design of a super high-rise frame-core wall structure
Hu Kai, Li Qingwu, Jiang Li, Qu Ge, Liu Hong, Qian Jing
(China Shipbuilding NRDI Engineering Co., Ltd., Shanghai 200063, China)
Abstract:The basic approach of performance-based seismic design was studied combined with an out-of-code high-rise frame-core wall structure. According to the current specifications, fortification categories, site conditions, structure types and structural irregularities and other factors, the seismic performance objectives and design indices were determined. The elastic response spectrum analysis was conducted by using numerical analysis method, and static elastic-plastic analysis was conducted under fortification and rare earthquakes. Floor stress analysis was conducted. The results show that all the indicators of the structure can meet the preset structural seismic performance design indices, and the engineering structure is reasonable, and the seismic measures are appropriate.
Keywords:performance-based seismic design; out-of-code high-rise structure; performance objective; static elastic-plastic analysis
通訊作者:李慶武,碩士,工程師,Email:Leeqingwu@gmail.com。
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