本文選題：抗拔型三重摩擦擺隔震支座 + 數(shù)值模擬��； 參考：《工程抗震與加固改造》2016年06期

【摘要】：考慮隔震技術(shù)在大跨空間結(jié)構(gòu)中研究的現(xiàn)狀,針對(duì)傳統(tǒng)三重摩擦擺隔震支座不具備豎向抗拔能力的缺點(diǎn),基于抗拔型三重摩擦擺隔震支座的專(zhuān)利設(shè)計(jì),對(duì)抗拔型三重摩擦擺隔震支座進(jìn)行構(gòu)造設(shè)計(jì)。采用ABAQUS有限元分析軟件,對(duì)抗拔型三重摩擦擺隔震支座進(jìn)行實(shí)體單元建模,模擬低周反復(fù)荷載作用下,該支座的滯回特性與自回復(fù)特性。研究結(jié)果表明:(1)抗拔型三重摩擦擺隔震支座同樣具有較寬的隔震范圍和良好的自適應(yīng)性,以及良好的耗能能力。(2)抗拔型三重摩擦擺隔震支座彈簧的設(shè)置并不會(huì)顯著地影響支座的水平特性。(3)由于彈簧的設(shè)置,抗拔型三重摩擦擺隔震支座的殘余位移較傳統(tǒng)三重摩擦擺隔震支座有所減小。(4)隨著豎向荷載的增大,剛度增大的同時(shí),滯回環(huán)的面積有所增大,因此耗能也同樣增大。(5)彈簧的初始張力對(duì)抗拔型三重摩擦擺隔震支座的滯回特性并沒(méi)有很大的影響。
[Abstract]:Considering the present research situation of isolation technology in long-span space structure, aiming at the disadvantage that traditional triple-friction pendulum isolation bearing does not have the ability of vertical pull-out, the patent design of anti-pull-out triple-friction pendulum isolation bearing is based on the patent design. The structural design of the anti-pull-out triple friction pendulum isolation bearing is carried out. ABAQUS finite element analysis software is used to simulate the hysteretic and self-recovery characteristics of the bearing under low cyclic cyclic loading. The results show that the pull-resistant triple-friction pendulum bearing also has a wide isolation range and good self-adaptability. And good energy dissipation capacity. 2) the setting of the anti-pull-out triple friction pendulum bearing spring will not significantly affect the horizontal characteristics of the bearing. 3) because of the setting of the spring, The residual displacement of the triple-friction pendulum isolation bearing is smaller than that of the traditional triple-friction pendulum isolation bearing. 4) with the increase of vertical load, the stiffness increases and the area of hysteresis loop increases. Therefore, the hysteretic characteristics of the triple-friction pendulum isolation bearing are not greatly affected by the initial tension resistance of the spring.
【作者單位】： 蘭州理工大學(xué)土木工程學(xué)院;
【基金】：國(guó)家創(chuàng)新基金項(xiàng)目(C2621606242) 甘肅省自然科學(xué)基金項(xiàng)目(1104ZSB083)資助
【分類(lèi)號(hào)】：TU352.12

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