大型不規(guī)則雕像結(jié)構(gòu)的抗風(fēng)及疲勞研究
[Abstract]:Unlike the general high-rise buildings, the sculptures are extremely irregular in shape and irregular in structure arrangement. In this paper, the wind-resistant and wind-induced fatigue problems of this kind of large irregular statue structures are studied with the background of the Macau hero statue of Taipa Island, which is about 55 meters high, and the weak links are found out, and the local strengthening is made. The main conclusions are as follows: 1. Through modal analysis of the spatial finite element model of this kind of structure, it is concluded that the torsional effect is not obvious, and the torsional resistance of the structure is better. The weak part of the structure can be seen from the first few vibration modes. 2. Because the shape of the large irregular statue structure is very irregular, this paper uses SOLIDWORKS to establish the fine model of the outer contour of the building. The calculated results are much more accurate than the previous rough building of the outer contour model by the bar. Then the numerical wind tunnel simulation analysis is carried out by using FLUENT software, and the figure coefficient of the statue structure is obtained by analyzing the distribution of the overall wind pressure coefficient of the image body. Concrete analysis of specific problems. In this paper, the shape coefficient of the background engineering is increased by 10% on the basis of the rectangular shape coefficient to ensure safety. 3. For the large irregular statue structure, the linear filter method is used to consider the vertical correlation of the pulsating wind. Ignoring the interaction between the structure and the wind, the wind vibration response of the structure is analyzed by selecting the Kaimal spectrum of fluctuating wind speed. It is concluded that the first vibration mode of the structure plays a controlling role in the displacement of the structure, and the displacement obtained by the time-history analysis of wind-induced vibration is much larger than the displacement calculated by the load code. The weak position of the structure is the ratio of horizontal lateral shift to height, and the long cantilever and long span member is the weak member of the structure. In order not to meet the limit requirement of horizontal lateral shift to height ratio in the Design Code for tall structures, we can deal with the weak position, change the material, and replace the existing material with light weight and high strength. Or opening holes in weak members can reduce their displacements. 4. For large irregular statue structures, after crosswind wind vibration analysis, if the starting point of the resonance region of the structure is greater than the elevation of the vertex of the structure, In this case, the wind-induced vibration response of the structure is mainly in the downwind direction, and the wind-induced vibration response on the crosswind direction of the structure can usually be ignored. Through modal analysis and wind-induced vibration response analysis of large irregular statue structure, the weak position of the structure is obtained, and the fatigue life of the weak member is evaluated by MSC finite element fatigue analysis software. It is concluded that under the repeated action of wind load for a long time, this kind of structure is more prone to fatigue failure, and must be strengthened locally to improve its ability to resist fatigue. 6. By changing the stress amplitude, The average stress and the material quality of the structure are analyzed by fatigue analysis. The stress amplitude is the most important factor to the fatigue damage, and the average stress and the material have some influence on the fatigue damage, which should be taken into account in the fatigue analysis.
【學(xué)位授予單位】:東南大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2015
【分類(lèi)號(hào)】:TU311.3
【相似文獻(xiàn)】
相關(guān)期刊論文 前10條
1 劉海卿;于春艷;杜巖;;考慮葉片與塔架耦合作用的風(fēng)電塔架風(fēng)振響應(yīng)分析[J];防災(zāi)減災(zāi)工程學(xué)報(bào);2010年S1期
2 范存新;張毅;唐和生;;考慮樁—土—結(jié)構(gòu)相互作用時(shí)高層建筑風(fēng)振響應(yīng)分析(Ⅰ)[J];四川建筑科學(xué)研究;2009年06期
3 張文福;謝丹;計(jì)靜;劉迎春;;乙烯生產(chǎn)塔架風(fēng)振響應(yīng)分析[J];空間結(jié)構(gòu);2012年03期
4 李暾,李創(chuàng)第,章本照,鄒萬(wàn)杰,黃天立;結(jié)構(gòu)隨機(jī)風(fēng)振響應(yīng)分析的復(fù)模態(tài)法[J];廣西工學(xué)院學(xué)報(bào);2002年04期
5 殷志祥;徐佳萌;;大跨度組合網(wǎng)殼在臺(tái)風(fēng)作用下的風(fēng)振響應(yīng)分析[J];建筑結(jié)構(gòu)學(xué)報(bào);2010年S2期
6 任坤;曾川峰;張棟;;特高壓輸電塔頻域風(fēng)振響應(yīng)分析與研究[J];山西建筑;2011年18期
7 呂鵬;;考慮土-結(jié)構(gòu)相互作用時(shí)高層建筑的橫、順風(fēng)振響應(yīng)分析[J];江西化工;2009年01期
8 黃健;郁蔚;婁宇;;索的風(fēng)振響應(yīng)分析[J];特種結(jié)構(gòu);2006年03期
9 李波;楊慶山;范重;田玉基;;深圳京基金融中心風(fēng)振響應(yīng)分析[J];土木工程學(xué)報(bào);2010年08期
10 樓文娟,孫炳楠;風(fēng)與結(jié)構(gòu)的耦合作用及風(fēng)振響應(yīng)分析[J];工程力學(xué);2000年05期
相關(guān)會(huì)議論文 前9條
1 陳昒;王遠(yuǎn)功;范存新;薛松濤;;考慮風(fēng)-結(jié)構(gòu)-土耦合作用時(shí)高層建筑的順風(fēng)向風(fēng)振響應(yīng)分析[A];第十一屆全國(guó)結(jié)構(gòu)風(fēng)工程學(xué)術(shù)會(huì)議論文集[C];2004年
2 陳昒;李安勇;薛松濤;唐和生;呂鵬;;考慮土—結(jié)構(gòu)相互作用的高層建筑風(fēng)振響應(yīng)分析[A];第十三屆全國(guó)結(jié)構(gòu)風(fēng)工程學(xué)術(shù)會(huì)議論文集(上冊(cè))[C];2007年
3 劉迎春;張文福;馬昌恒;李靜娥;;火炬塔架的動(dòng)力特性及風(fēng)振響應(yīng)分析[A];第17屆全國(guó)結(jié)構(gòu)工程學(xué)術(shù)會(huì)議論文集(第Ⅲ冊(cè))[C];2008年
4 呂鵬;水濤;范存新;宋輝;;考慮土-結(jié)構(gòu)相互作用時(shí)高層建筑的橫、順風(fēng)振響應(yīng)分析[A];第15屆全國(guó)結(jié)構(gòu)工程學(xué)術(shù)會(huì)議論文集(第Ⅰ冊(cè))[C];2006年
5 盧旦;李承銘;王國(guó)儉;田煒;;基于CFD非穩(wěn)態(tài)數(shù)值模擬的結(jié)構(gòu)風(fēng)振響應(yīng)分析[A];第十三屆全國(guó)結(jié)構(gòu)風(fēng)工程學(xué)術(shù)會(huì)議論文集(下冊(cè))[C];2007年
6 許林汕;趙林;葛耀君;;超大型冷卻塔隨機(jī)風(fēng)振響應(yīng)分析[A];第十三屆全國(guó)結(jié)構(gòu)風(fēng)工程學(xué)術(shù)會(huì)議論文集(下冊(cè))[C];2007年
7 李旭;李曉文;;超大冷卻塔風(fēng)振響應(yīng)分析[A];第三屆全國(guó)建筑結(jié)構(gòu)技術(shù)交流會(huì)論文集[C];2011年
8 李力;;北京南站雨篷結(jié)構(gòu)風(fēng)振響應(yīng)分析[A];第三屆全國(guó)建筑結(jié)構(gòu)技術(shù)交流會(huì)論文集[C];2011年
9 林斌;范峰;錢(qián)宏亮;;大射電望遠(yuǎn)鏡FAST主動(dòng)反射面在喀斯特地貌下的繞流數(shù)值模擬及其風(fēng)振響應(yīng)分析顛覆[A];第四屆全國(guó)現(xiàn)代結(jié)構(gòu)工程學(xué)術(shù)研討會(huì)論文集[C];2004年
相關(guān)博士學(xué)位論文 前1條
1 王吉民;薄膜結(jié)構(gòu)的風(fēng)振響應(yīng)分析和風(fēng)洞試驗(yàn)研究[D];浙江大學(xué);2001年
相關(guān)碩士學(xué)位論文 前6條
1 邰燕;大型不規(guī)則雕像結(jié)構(gòu)的抗風(fēng)及疲勞研究[D];東南大學(xué);2015年
2 李旭;考慮風(fēng)場(chǎng)相關(guān)性的冷卻塔隨機(jī)風(fēng)振響應(yīng)分析[D];西安建筑科技大學(xué);2011年
3 陳鋒;索結(jié)構(gòu)流固耦合風(fēng)振響應(yīng)分析[D];上海交通大學(xué);2010年
4 趙奕程;考慮屋面自振和流固耦合效應(yīng)的大跨度空間網(wǎng)格結(jié)構(gòu)風(fēng)振響應(yīng)分析[D];天津大學(xué);2006年
5 曾少青;寧波國(guó)際會(huì)展中心屋蓋結(jié)構(gòu)風(fēng)振響應(yīng)分析[D];華南理工大學(xué);2010年
6 王同慶;高層鋼筋混凝土剪力墻結(jié)構(gòu)的風(fēng)振響應(yīng)分析[D];合肥工業(yè)大學(xué);2008年
,本文編號(hào):2408366
本文鏈接:http://sikaile.net/jingjilunwen/jianzhujingjilunwen/2408366.html