發(fā)布時(shí)間：2018-12-23 20:21

【摘要】：當(dāng)結(jié)構(gòu)的變形耗能能力值與其需求值不一致時(shí),建筑結(jié)構(gòu)會(huì)發(fā)生倒塌�；谛阅艿目拐鹪O(shè)計(jì)(簡(jiǎn)稱PBSD)理論能夠在結(jié)構(gòu)構(gòu)件變形的基礎(chǔ)上定量地分析其變形能力。同時(shí),基于性能的抗震設(shè)計(jì)能綜合考慮生命安全和財(cái)產(chǎn)損失的要求,將“小震不壞,中震可修,大震不倒”的三級(jí)設(shè)防水準(zhǔn)進(jìn)行細(xì)化和具體化,是當(dāng)前建筑結(jié)構(gòu)抗震設(shè)計(jì)的發(fā)展趨勢(shì)。 本文以剪力墻結(jié)構(gòu)性能化設(shè)計(jì)為研究對(duì)象,首先介紹了基于性能抗震設(shè)計(jì)方法的發(fā)展?fàn)顩r,討論了劃分結(jié)構(gòu)性能目標(biāo)、性能水平的原則,介紹了基于性能抗震設(shè)計(jì)的理論和設(shè)計(jì)方法,研究了剪力墻結(jié)構(gòu)的性能指標(biāo),總結(jié)了性能化設(shè)計(jì)方法的優(yōu)越性。同時(shí)探討了靜力彈塑性分析方法的基本原理、優(yōu)點(diǎn)及用途,介紹了靜力彈塑性分析的實(shí)施步驟,闡述了能力譜法、等效位移系數(shù)法等幾種基于性能的彈塑性分析方法。 采用有限元分析軟件PKPM對(duì)一實(shí)際剪力墻結(jié)構(gòu)工程進(jìn)行了分析。該結(jié)構(gòu)先采用SATWE軟件進(jìn)行剪力墻彈性階段的計(jì)算分析,再用PUSH軟件結(jié)合能力譜法對(duì)該結(jié)構(gòu)在罕遇地震作用下的彈塑性變形進(jìn)行計(jì)算分析,得到結(jié)構(gòu)的性能曲線、影響結(jié)構(gòu)性能的層間位移角曲線及性能點(diǎn)塑性鉸的分布情況。當(dāng)結(jié)構(gòu)的彈塑性分析推覆達(dá)到性能點(diǎn)要求時(shí),層間位移角滿足規(guī)定的限值要求,結(jié)構(gòu)具有良好的耗能能力。
[Abstract]:When the deformation energy dissipation capacity of the structure is not consistent with its demand value, the building structure will collapse. The theory of performance-based seismic design (PBSD) can quantitatively analyze the deformation capacity of structural members on the basis of deformation. At the same time, the performance-based seismic design can comprehensively consider the requirements of life safety and property loss, and refine and concretize the three-level fortification level of "small earthquake is not bad, medium earthquake is repairable, big earthquake is not going down". It is the development trend of aseismic design of building structure at present. This paper takes the performance-based design of shear wall structure as the research object. Firstly, the development of performance-based seismic design method is introduced, and the principle of dividing the performance target and performance level of the structure is discussed. This paper introduces the theory and design method of performance-based seismic design, studies the performance index of shear wall structure, and summarizes the superiority of performance-based design method. At the same time, the basic principle, advantages and applications of the static elastic-plastic analysis method are discussed. The implementation steps of the static elastic-plastic analysis are introduced, and several performance-based elastoplastic analysis methods, such as the capability spectrum method and the equivalent displacement coefficient method, are described. The finite element analysis software PKPM is used to analyze a practical shear wall structure engineering. At first, the SATWE software is used to calculate and analyze the elastic stage of shear wall, then the elastoplastic deformation of the structure under rare earthquake is calculated and analyzed by PUSH software combined with capability spectrum method, and the performance curve of the structure is obtained. The interstory displacement angle curve and the distribution of the plastic hinge of the performance point. When the elastic-plastic analysis of the structure meets the requirement of the performance point, the interstory displacement angle meets the specified limit value, and the structure has good energy dissipation capacity.
【學(xué)位授予單位】：河北工程大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類(lèi)號(hào)】：TU352.11

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本文編號(hào)：2390213