本文關(guān)鍵詞：雙塔連體結(jié)構(gòu)連接處采用鉛芯橡膠支座減震方法的研究　出處：《吉林建筑大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 雙塔連體結(jié)構(gòu) 鉛芯橡膠支座 隔震

【摘要】：伴隨經(jīng)濟(jì)的迅速發(fā)展,科學(xué)技術(shù)的飛速前進(jìn),我們國(guó)家在各個(gè)方面也都走在了世界的前列。人們的生活水平逐漸提升,對(duì)建筑水平也提出了更高的要求。我們以前了解的建筑結(jié)構(gòu)形式規(guī)則并且簡(jiǎn)單,現(xiàn)代的建筑結(jié)構(gòu)形式隨著建筑功能的綜合化發(fā)展,也變得復(fù)雜多樣。隨著結(jié)構(gòu)變得復(fù)雜,遇到的問(wèn)題也越來(lái)越多,但是經(jīng)過(guò)結(jié)構(gòu)工作人員的不懈奮斗,越來(lái)越多技術(shù)上的難題被我們克服。目前的結(jié)構(gòu)技術(shù)已經(jīng)可以滿足很多體型復(fù)雜的高層建筑,連體結(jié)構(gòu)就是其中的一種結(jié)構(gòu)形式。連體結(jié)構(gòu)的含義其實(shí)不言而喻,就是在兩座或幾座高層建筑之間,用架空的連接體將這兩座相鄰的建筑物相互連接的結(jié)構(gòu)形式。這樣不僅可以滿足建筑的造型要求,還能在符合正常的使用要求。連接體的跨度一般來(lái)說(shuō),是沒(méi)有具體要求的,可大可小,大到幾十米長(zhǎng),小可達(dá)到幾米,其實(shí)無(wú)論大小,受力機(jī)理正確才是最重要的。連體結(jié)構(gòu)的結(jié)構(gòu)形式新穎,應(yīng)用的范圍也越來(lái)越廣,得到越來(lái)越多的人的青睞。對(duì)于如何采用簡(jiǎn)單有效的方法來(lái)提高連體結(jié)構(gòu)的抗震性,對(duì)實(shí)際工程,具有重大意義。本文首先對(duì)地震的概念以及地震給人們帶來(lái)的影響在緒論中做了概述。此外,還對(duì)連體結(jié)構(gòu)的分類和受力特點(diǎn)做了簡(jiǎn)要的介紹。列舉了幾種橡膠支座以及它們?cè)诘卣鹱饔孟掳l(fā)揮的作用。然后建立了雙塔連體結(jié)構(gòu)模型和采用兩種不同阻尼的鉛芯橡膠支座的雙塔連體結(jié)構(gòu)模型。結(jié)合有限元分析軟件SAP2000,對(duì)三種模型進(jìn)行了模態(tài)分析,反應(yīng)譜分析和時(shí)程分析,來(lái)對(duì)比鉛芯橡膠支座在抗震中起到的作用。本文針對(duì)連體結(jié)構(gòu)連接部分采用鉛芯橡膠支座減震的方法進(jìn)行了研究和分析,主要內(nèi)容如下:1.初步分別對(duì)剛性連接的雙塔連體結(jié)構(gòu)模型和用鉛芯橡膠支座連接的雙塔連體結(jié)構(gòu)進(jìn)行理論驗(yàn)證,之后分別進(jìn)行模態(tài)分析,具體內(nèi)容就是對(duì)各自的周期、振型、質(zhì)量參數(shù)進(jìn)行研究論證。2.設(shè)定兩種不同阻尼的鉛芯橡膠支座模型,通過(guò)對(duì)其反應(yīng)譜的研究,可以知道不同阻尼的鉛芯橡膠支座與地震相應(yīng)的相互聯(lián)系,與此同時(shí),得到在地震作用下建筑物的層間位移、層間位移角。3.通過(guò)在軟件中模擬,輸入三種不同強(qiáng)烈程度的天然地震波,分析剛性連接的雙塔連體結(jié)構(gòu)模型和鉛芯支座的雙塔連體模型,在不同的連接方式下,研究三條地震波的位移、加速度以及連接處的剪力。可以得到,一定的程度上,在主體結(jié)構(gòu)與連體結(jié)構(gòu)的相交處,放置鉛芯橡膠支座可以有效的耗散地震作用。在一定范圍內(nèi),鉛芯橡膠墊的阻尼越大,層間位移和位移角顯著減小。帶有鉛芯橡膠支座的模型,連接處剪力明顯小于剛性連接處的剪力,這說(shuō)明有了鉛芯橡膠支座,明大大削弱了兩個(gè)主體之間的聯(lián)系。因此,在以后的雙塔連體設(shè)計(jì)中,當(dāng)采用鉛芯橡膠支座時(shí),雙塔連體結(jié)構(gòu)的設(shè)計(jì),可以參照單塔結(jié)構(gòu)設(shè)計(jì)進(jìn)行,雙塔之間相互制約的程度大大降低。所以,設(shè)計(jì)可以減少因雙塔間相互制約而增加的加強(qiáng)構(gòu)件措施。大大節(jié)省了材料,從而節(jié)約了資源,而且降低了成本,使其變得更加經(jīng)濟(jì)。這對(duì)雙塔連體結(jié)構(gòu)有著重大意義,用一個(gè)簡(jiǎn)單的辦法,即可解決增強(qiáng)抗震性及加強(qiáng)結(jié)構(gòu)穩(wěn)定性的大問(wèn)題。
[Abstract]:With the rapid development of economy, the rapid progress of science and technology, our country in all aspects are at the forefront of the world. Gradually improve people's living standard, also put forward higher requirements on the architecture level. The rules of structure we used to understand and simple, modern building structure with integrated architecture the function of development, became more and more complicated. With complicated structure, the problems are more and more, but through the efforts of staff structure, more and more problems on the technology we have now overcome. Structure technology can meet a lot of complex high-rise building structure form a connecting structure is one of them. In fact, the connecting structure meaning is self-evident, is between two or several high-rise buildings, the overhead will be connected the two adjacent buildings connected with each other The structure of the form. It can not only meet the requirements of the shape of the building, but also in line with the normal use of the connector span requirements. In general, there is no specific requirements, big and small, to tens of meters long, can reach a few meters, in fact, regardless of size, the force mechanism of the right is the most important. Structure connected structure is novel, more and more wide range of applications, more and more people of all ages. For how to use a simple and effective method to improve the resistance of the connecting structure, on the actual project, which is of great significance. Firstly, the influence of earthquake and the earthquake brought to people's concept is summarized in the introduction. In addition, also classification of connected structure and force characteristics are introduced. Several kinds of rubber bearings and the role they play in the earthquake are established. Then the Twin Towers connected structure model and mining Twin Towers with two different damping connecting structure model of lead rubber bearings. With the finite element analysis software SAP2000, the three models of modal analysis, response spectrum analysis and time history analysis, to contrast the lead rubber bearing in seismic application. Aiming at the conjoined were studied and analyzed. Method of connecting part of the lead rubber bearing damping, the main contents are as follows: 1. preliminary respectively on the structure model of connecting rigid connected Twin Towers and connected with the lead rubber bearing Twin Towers connecting structure to verify the theory, then the modal analysis of the specific content is on each cycle, vibration model, quality parameter studies.2. two different sets of damping of the lead rubber bearing model, through the study of the response spectrum, can know the relationship of different damping of lead rubber bearing and seismic response, and the same When building under earthquake displacement between layers, interlayer displacement angle.3. through simulation in software, natural earthquake wave input three different intensity, connected Twin Towers model analysis of rigid connection structure of conjoined Twin Towers model and lead rubber bearings, connecting in a different way, study on the displacement of three earthquake wave, acceleration and shear connection. Can be obtained, to a certain extent, at the intersection of the main structure and the connecting structure, placing the lead rubber bearing can dissipate the earthquake effectively. In a certain range, the lead core rubber pad damping ratio, interlayer displacement and displacement angle was significantly decreased with. The lead rubber bearing model, shear connection shear at significantly less than the rigid connection place, indicating that the lead rubber bearing, the greatly weakened between two bodies. Therefore, the design of conjoined Twin Towers in the future, When using lead rubber bearing, the design structure of conjoined Twin Towers, can refer to the structure design of single tower, mutual restriction between Twin Towers degree greatly reduced. Therefore, the design can be reduced due to the Twin Towers mutual restriction increased reinforcing member measures. Which greatly saves material, so as to save resources, and reduce the cost, make the it is more economic. It is of great significance to the Twin Towers connection, with a simple way, can solve the problem of seismic strengthening and enhancing the stability of structure.

【學(xué)位授予單位】：吉林建筑大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TU973.31

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