發(fā)布時(shí)間：2018-12-18 12:01

【摘要】：隨著科學(xué)技術(shù)在建筑領(lǐng)域的不斷創(chuàng)新與應(yīng)用，自1886年世界第一棟摩天大樓拔地而起之后，高層建筑在世界范圍內(nèi)迎來(lái)了高速發(fā)展的時(shí)期。伴隨著人們對(duì)于高層建筑的需求愈來(lái)愈多、也愈加的繁雜，高層建筑也就順勢(shì)向著更加高的高度，更繁雜的體型、更完美的功能、更加多樣化的結(jié)構(gòu)體系發(fā)展。這些都導(dǎo)致了結(jié)構(gòu)受力的情況愈加復(fù)雜，為結(jié)構(gòu)設(shè)計(jì)帶來(lái)了更多的挑戰(zhàn)。為了尋求更佳的結(jié)構(gòu)方案，，達(dá)到更經(jīng)濟(jì)合理的設(shè)計(jì)，是在超高層結(jié)構(gòu)設(shè)計(jì)中重要研究課題之一。在超高層結(jié)構(gòu)中設(shè)置加強(qiáng)層不僅能減小結(jié)構(gòu)側(cè)移，增加結(jié)構(gòu)整體性，還能達(dá)到優(yōu)化結(jié)構(gòu)布置及構(gòu)件尺寸的效果，以形成更經(jīng)濟(jì)的方案。 本篇文章參閱相關(guān)理論文獻(xiàn)，對(duì)超高層建筑的發(fā)展歷程，常用的結(jié)構(gòu)體系以及相應(yīng)的適用范圍作了簡(jiǎn)要的介紹。以重慶市某樞紐中心的一棟塔樓為研究對(duì)象，通過(guò)SATWE和MIDAS BUILDING建立有限元模型，獨(dú)立的進(jìn)行結(jié)構(gòu)設(shè)計(jì)及相關(guān)工作，主要有以下部分： ①.簡(jiǎn)述了相關(guān)高層設(shè)計(jì)的特點(diǎn)、原則及假定的理論知識(shí)，并介紹了加強(qiáng)層的作用機(jī)理，對(duì)其概念和優(yōu)缺點(diǎn)進(jìn)行簡(jiǎn)單總結(jié)。 ②.根據(jù)建筑相關(guān)資料，初步地完成上部結(jié)構(gòu)的選型及相關(guān)的整體彈性計(jì)算。 ③.在上述初步方案的基礎(chǔ)上，對(duì)結(jié)構(gòu)施加加強(qiáng)層，考察加強(qiáng)層對(duì)結(jié)構(gòu)的作用。 ④.對(duì)設(shè)置加強(qiáng)層之后的方案進(jìn)行結(jié)構(gòu)布置和構(gòu)件尺寸的優(yōu)化，并比較分析結(jié)果。 ⑤.對(duì)優(yōu)化的方案再次改變加強(qiáng)層的布置，比較結(jié)果選擇出最適合本結(jié)構(gòu)的加強(qiáng)層方案，并對(duì)其進(jìn)行彈性時(shí)程分析和動(dòng)力彈塑性時(shí)程分析，考察其是否滿足多遇地震和罕遇地震的需求。 ⑥.針對(duì)以上的討論分析得出結(jié)論，對(duì)本文的不足與后續(xù)的工作進(jìn)行討論。
[Abstract]:With the continuous innovation and application of science and technology in the field of architecture, since the world's first skyscraper rose in 1886, high-rise buildings have ushered in a period of rapid development in the world. With more and more people's demand for high-rise buildings, high-rise buildings also tend to higher height, more complex body, more perfect function, more diversified structure system development. All of these lead to the complexity of structural forces, and bring more challenges to structural design. In order to seek better structural scheme and achieve more economical and reasonable design, it is one of the important research topics in the design of super tall structure. Setting the strengthening layer in the super high-rise structure can not only reduce the lateral displacement of the structure and increase the integrity of the structure, but also achieve the effect of optimizing the structure layout and the size of the members, so as to form a more economical scheme. This paper, referring to the relevant theoretical documents, briefly introduces the development course, the commonly used structure system and the corresponding application scope of super high-rise building. Taking a tower building in a hub center in Chongqing as the research object, the finite element model is established by SATWE and MIDAS BUILDING, and the structural design and related work are carried out independently. The main contents are as follows: 1. This paper briefly introduces the characteristics, principles and theoretical knowledge of the related high-level design, and introduces the mechanism of the strengthening layer, and summarizes its concept, advantages and disadvantages. 2. According to the data of building, the selection of superstructure and the whole elastic calculation are preliminarily completed. 3. On the basis of the above preliminary scheme, the strengthening layer is applied to the structure, and the effect of the strengthened layer on the structure is investigated. 4. The structure layout and component size are optimized after the reinforcement layer is set up and the results are compared. 5. For the optimized scheme, the arrangement of the strengthening layer is changed again, and the best scheme of the strengthening layer is selected by comparing the results, and the elastic time history analysis and the dynamic elastoplastic time history analysis are carried out. To investigate whether it meets the needs of frequent and rare earthquakes. 6. In view of the above discussion and analysis of the conclusion, the shortcomings of this paper and the follow-up work are discussed.
【學(xué)位授予單位】：重慶大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類(lèi)號(hào)】：TU973

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