防灾减灾工程学报
防災減災工程學報
방재감재공정학보
JOURNAL OF DISASTER PREVENTION AND MITIGATION ENGINEERING
2010年
1期
77-82
,共6页
王璐%王曙光%欧谨%刘伟庆
王璐%王曙光%歐謹%劉偉慶
왕로%왕서광%구근%류위경
弹性滑移支座%力学性能试验%滞回曲线%摩擦力模型
彈性滑移支座%力學性能試驗%滯迴麯線%摩抆力模型
탄성활이지좌%역학성능시험%체회곡선%마찰력모형
elastic sliding bearing%mechanical testing%hysteretic looping curves%frictional model
介绍了弹性滑移支座的原理、构造和特点;通过对其在不同工况下的性能试验,研究了竖向荷载、位移幅值以及加载频率对弹性滑移支座力学性能的影响,并给出了试验值与理论计算值之间的对比.研究结果表明:弹性滑移支座具有良好的工作性能,滞回曲线饱满,耗能能力强;竖向荷载和加载频率对弹性滑移支座的力学性能有一定的影响,而位移幅值对其影响较小;弹性滑移支座的恢复力模型,可以用考虑速度的指数摩擦力模型来描述,并且模拟得较为准确.
介紹瞭彈性滑移支座的原理、構造和特點;通過對其在不同工況下的性能試驗,研究瞭豎嚮荷載、位移幅值以及加載頻率對彈性滑移支座力學性能的影響,併給齣瞭試驗值與理論計算值之間的對比.研究結果錶明:彈性滑移支座具有良好的工作性能,滯迴麯線飽滿,耗能能力彊;豎嚮荷載和加載頻率對彈性滑移支座的力學性能有一定的影響,而位移幅值對其影響較小;彈性滑移支座的恢複力模型,可以用攷慮速度的指數摩抆力模型來描述,併且模擬得較為準確.
개소료탄성활이지좌적원리、구조화특점;통과대기재불동공황하적성능시험,연구료수향하재、위이폭치이급가재빈솔대탄성활이지좌역학성능적영향,병급출료시험치여이론계산치지간적대비.연구결과표명:탄성활이지좌구유량호적공작성능,체회곡선포만,모능능력강;수향하재화가재빈솔대탄성활이지좌적역학성능유일정적영향,이위이폭치대기영향교소;탄성활이지좌적회복력모형,가이용고필속도적지수마찰력모형래묘술,병차모의득교위준학.
The principle of an elastic sliding bearing and its structure as well as characteristics are intro-duced in this paper. By testing its performance under different conditions, the influence of vertical load, displacement amplitude, and loading frequency on the bearing performance were analyzed. Experimental data and calculated theoretical ones are presented for comparison. The results show that the elastic sliding bearing has excellent working performance with full looping curves and high capacity for energy dissipa-tion. The vertical load and the loading frequency have certain effect on the mechanical performance, while the displacement amplitude has little effect. A restoring force model of the bearing can be described with the exponential friction model considering velocity with high accuracy.