999精品在线视频,手机成人午夜在线视频,久久不卡国产精品无码,中日无码在线观看,成人av手机在线观看,日韩精品亚洲一区中文字幕,亚洲av无码人妻,四虎国产在线观看 ?

擺式電渦流TMD鋼框架結(jié)構(gòu)的耦合計(jì)算方法與減震分析

2020-09-02 06:41:35潘毅包韻雷國(guó)巍陳業(yè)宏
土木建筑與環(huán)境工程 2020年4期

潘毅 包韻雷 國(guó)巍 陳業(yè)宏

摘要:擺式電渦流TMD作為一種新型阻尼器,多用于人致振動(dòng)和風(fēng)振控制,較少應(yīng)用抗震工程,也缺乏較好的計(jì)算方法。為研究擺式電渦流TMD的減震性能及合理的質(zhì)量比μm,根據(jù)擺式電渦流TMD的力學(xué)特性,提出一種基于聯(lián)合仿真的耦合計(jì)算方法,根據(jù)現(xiàn)行建筑抗震設(shè)計(jì)規(guī)范,分別建立了5、10、20層鋼框架結(jié)構(gòu)模型,設(shè)計(jì)了5組不同μm的擺式電渦流TMD,并采用提出的耦合計(jì)算方法,對(duì)擺式電渦流TMD鋼框架結(jié)構(gòu)模型進(jìn)行了動(dòng)力時(shí)程分析,得到了罕遇地震作用下結(jié)構(gòu)的層位移、層間位移角、層剪力和層加速度與μm的關(guān)系曲線,并與無TMD結(jié)構(gòu)的地震響應(yīng)進(jìn)行了對(duì)比。研究結(jié)果表明:提出的耦合計(jì)算方法可行且有效,擺式電渦流TMD可有效降低鋼框架結(jié)構(gòu)的地震響應(yīng),當(dāng)μm為3%時(shí)較為合理。其中,20層鋼框架結(jié)構(gòu)的層位移、層間位移角、層剪力和層加速度分別減小26.5%、20.9%、4.3%、7.3%。

關(guān)鍵詞:調(diào)諧質(zhì)量阻尼器;耦合計(jì)算方法;鋼框架結(jié)構(gòu);質(zhì)量比;減震分析

中圖分類號(hào):TU313;TU391 文獻(xiàn)標(biāo)志碼:A 文章編號(hào):20966717(2020)04008410

收稿日期:20200219

基金項(xiàng)目:國(guó)家重點(diǎn)研發(fā)計(jì)劃(2016YFC0802205);四川省科技計(jì)劃(2019YJ0222);科技部資助項(xiàng)目(KY201801005)

作者簡(jiǎn)介:潘毅(1977 ),男,教授,博士生導(dǎo)師,主要從事工程結(jié)構(gòu)抗震與加固研究,Email:panyi@swjtu.edu.cn。

國(guó)巍(通信作者),男,教授,博士生導(dǎo)師,Email:guowei@csu.edu.cn。

Received:20200219

Foundation items:National Key Research and Development Program (No. 2016YFC0802205); Sichuan Science and Technology Program (No. 2019YJ0222); Ministry of Science and Technology of China (No. KY201801005)

Author brief:Pan Yi (1977 ), professor, doctorial supervisor, main research interests: engineering structural seismic and reinforcement, Email: panyi@swjtu.edu.cn.

Guo Wei (corresponding author), professor, doctorial supervisor, Email: guowei@scu.edu.cn.

Coupling calculation method and seismic analysis of pendulum eddy current TMDsteel frame structures

Pan Yi1a,1b, Bao Yunlei1a, Guo Wei2, Chen Yehong3

(1a.School of Civil Engineering; 1b. Key Laboratory of Seismic Engineering of Sichuan Province, Southwest Jiaotong University, Chengdu 610031, P. R. China; 2.School of Civil Engineering, Central South University, Changsha 410075, P. R. China;3.School of Civil Engineering, Tongji University, Shanghai 200092, P. R. China)

Abstract: Pendulum eddy current TMD as a new type of damper is often used in the control of humaninduced vibration and windinduced vibration, but seldom used in seismic engineering. And there is still a lack of effective calculation methods. In this paper, a coupling calculation method based on joint simulation is proposed to investigate the damping performance and reasonable value of mass ratio. A numerical model is established for 5story, 10story and 20story steel frame structures along with five groups of pendulum eddy current TMDs with different mass ratios, which conform to the current Seismic design code for buildings and mechanical properties of pendulum eddy current TMD. A dynamic timehistory analysis is performed on the numerical model by using coupling calculation method. The analysis yields a series of curves of story drift, interstory drift ratio, story shear force, and story acceleration versus mass ratio under rare earthquakes. The analysis results are compared to the results of the control model that has no pendulum eddy current TMD. The comparison shows the feasibility of the proposed coupling calculation method and that pendulum eddy current TMD can effectively reduce the seismic response of the steel frame, with a 26.5% reduction for story drift, 20.9% for interstory drift ratio, 4.3% for story shear force, and 7.3% for story acceleration of a 20story steel frame structure when the reasonable mass ratio is recommended to be 3%.

Keywords:tuned mass damper (TMD); coupling calculation method; steel frame structure; mass ratio; seismic analysis

調(diào)諧質(zhì)量阻尼器(Tuned Mass Damper,簡(jiǎn)稱TMD)作為一種被動(dòng)式吸能減振裝置,在結(jié)構(gòu)減振領(lǐng)域得到廣泛應(yīng)用。TMD由于性能穩(wěn)定、結(jié)構(gòu)簡(jiǎn)單、易于調(diào)節(jié)自身剛度、便于安裝等特點(diǎn),可以滿足結(jié)構(gòu)任意水平方向和不同頻段的振動(dòng)控制需要,多應(yīng)用于樓蓋的人致振動(dòng)控制與橋梁、高層建筑的風(fēng)致振動(dòng)控制中[14]。……

登錄APP查看全文

主站蜘蛛池模板: 中文字幕无码av专区久久| 国产精品无码久久久久AV| 国产精品深爱在线| 国产乱论视频| 2022国产91精品久久久久久| 午夜精品影院| 2024av在线无码中文最新| 成人第一页| 欧美精品影院| 久久国产高清视频| 亚洲欧美日韩动漫| 久久久久人妻一区精品| 久久久久久久97| 97se亚洲综合在线| 国产97视频在线观看| 国内精品久久人妻无码大片高| 国产在线精品网址你懂的| 欧美日韩久久综合| 亚洲女人在线| 日本不卡在线视频| 区国产精品搜索视频| 日韩人妻无码制服丝袜视频| 色精品视频| 色婷婷视频在线| 中文字幕在线欧美| 伊人成人在线| 亚洲va精品中文字幕| 97青青青国产在线播放| jizz在线观看| 无码福利日韩神码福利片| 美女毛片在线| 免费无码AV片在线观看国产| 亚洲精品动漫在线观看| 亚洲美女久久| 97国产在线视频| 成人福利一区二区视频在线| 制服无码网站| 色网在线视频| 国产精品欧美在线观看| 99热国产这里只有精品无卡顿"| 四虎永久在线精品国产免费| 欧美激情首页| 91av国产在线| 国产成人欧美| 国产人免费人成免费视频| 成人在线亚洲| 国产成人精品午夜视频'| 中文一级毛片| 亚洲性色永久网址| 在线播放精品一区二区啪视频| 亚洲高清中文字幕在线看不卡| 欧美三級片黃色三級片黃色1| 操国产美女| 亚洲精选无码久久久| 亚洲无码视频喷水| 国产成人一区二区| 亚洲最黄视频| 久草中文网| 亚洲天天更新| 免费又黄又爽又猛大片午夜| 久久视精品| 精品视频91| 欧美日韩国产精品va| 男女精品视频| 日韩精品亚洲精品第一页| 尤物成AV人片在线观看| 91精品啪在线观看国产| 无码有码中文字幕| 91口爆吞精国产对白第三集| 亚洲成人一区二区| a国产精品| 成人亚洲国产| 国产又粗又猛又爽| 中文字幕有乳无码| 久久青草精品一区二区三区| 曰AV在线无码| 国内精品视频在线| 亚洲国产午夜精华无码福利| 污网站在线观看视频| 亚洲一区二区三区麻豆| 高潮爽到爆的喷水女主播视频| 一级爱做片免费观看久久|