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某高層剪力墻住宅結(jié)構(gòu)減震分析與設(shè)計*
閆維明,王 瑾,張向東,蘇 亮,王維凝
摘 要
某高層剪力墻住宅結(jié)構(gòu)減震分析與設(shè)計*
閆維明,王 瑾,張向東,蘇 亮,王維凝(北京工業(yè)大學(xué)工程抗震與結(jié)構(gòu)診治北京市重點實驗室,北京 100124)
[摘要]將鉛剪切阻尼器應(yīng)用于某高層剪力墻住宅結(jié)構(gòu)的減震分析與設(shè)計中,經(jīng)過多次試算分析得到了阻尼器的優(yōu)化布置方案。小震下的彈性時程分析和大震下的靜力彈塑性分析結(jié)果表明,鉛剪切阻尼器的減震率達(dá)到了40%,可以使該結(jié)構(gòu)的抗震能力約提高1度。對布置阻尼器后的結(jié)構(gòu)豎向承載力進行了驗算,并對有關(guān)部位、附加剪力墻配筋和預(yù)埋件進行了設(shè)計。
[關(guān)鍵詞] 耗能減震;剪力墻;住宅結(jié)構(gòu);鉛剪切阻尼器
中圖分類號:TU318.83文獻標(biāo)識碼:A文章編號:1002-848X(2011)01-0059-04
Energy dissipation analysis and design of a tall residential building with shear walls
Yan Weiming, Wang Jin, Zhang Xiangdong, Su Liang, Wang Weining
(Beijing Key Lab of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing 100124, China)
Abstract:The lead shear dampers were used in a tall residential building with shear walls to reduce the earthquake-induced vibration. The optimum positions and the amount of the dampers were determined through series calculations. The results of the linear time-history response analysis under frequent earthquakes and the non-linear static pushover analysis under rare earthquakes show that the responses of the building can be reduced by 40%. The vertical load-carrying capacity of the structure was checked, and the linking areas and the corresponding embedded parts were designed as well.
Keywords:energy dissipation; shear wall; residential building; lead shear damper
國家科技支撐計劃課題(2006BAJ03B06),高等學(xué)校博士學(xué)科點專項科研基金(20060005004),北京市屬市管高校八才強教計劃資助項目。
作者簡介:閆維明,教授,博士生導(dǎo)師,Email:yanwm@bjut.edu.cn。
參考文獻
[1]孟春光. 粘滯阻尼器減震結(jié)構(gòu)設(shè)計方法及計算實例[J]. 建筑結(jié)構(gòu), 2009,39(S2): 185-189.
[2]張春科. 板式鉛剪切阻尼器的工程應(yīng)用與轉(zhuǎn)動式鉛剪切阻尼器研究[D]. 北京:北京工業(yè)大學(xué),2008.
[3]閆維明,劉猛,李振寶,等. 新型鉛剪切阻尼器的數(shù)值模擬實驗研究[J]. 北京工業(yè)大學(xué)學(xué)報,2008,34(21):1286-1290.
[4]閆維明,張春科,彭凌云,等. 一種剪切型鉛阻尼器及其在某火電廠房中的應(yīng)用[J] . 工業(yè)建筑,2008,38(7):41-44.
[5]馬春和,余建星,梁鳳嶺. 某高層住宅樓的改造加固設(shè)計與施工[J]. 建筑結(jié)構(gòu),2009,39(S2): 271-273.
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