论文部分内容阅读
提出一种二硫化钼固体润滑剂涂层的新型分离式摩擦滑移隔震装置,为研究该新型隔震系统对结构抗震性能的影响,进行了隔震和非隔震结构的模型振动台对比试验。基于试验结果,从结构的动力特性、位移反应及加速度反应等方面评价结构抗震性能,并对比分析了该新型摩擦滑移隔震系统的隔震效果。研究表明:二硫化钼固体润滑剂涂层具有较高的竖向承载特性和低摩擦特性,新型分离式摩擦滑移隔震系统能够有效降低结构地震响应。相比于非隔震结构,采用新型分离式摩擦滑移系统的隔震结构的楼层加速度、层间位移角均减小,地震作用下,结构能量的耗散主要集中在隔震支座处,该隔震系统具有良好的隔震效果,结构可以满足抗震要求。
In this paper, a new type of friction-slip sliding isolation device coated with molybdenum disulphide solid lubricant is proposed. In order to study the influence of the new type of isolation system on the seismic performance of the structure, comparison of model shaking table with isolated and non- test. Based on the test results, the seismic performance of the structure is evaluated from the dynamic characteristics of the structure, the displacement response and the acceleration response, and the seismic isolation effect of the new type of sliding friction isolation system is compared and analyzed. The results show that the coating has the characteristics of high vertical bearing capacity and low friction, and the new separation type friction slippery isolation system can effectively reduce the structural seismic response. Compared with the non-isolated structure, the floor acceleration and interlayer displacement angle of the isolated structure adopting the new type of separate friction and slip system decrease, and the dissipation of structural energy mainly concentrates on the isolation bearings at the earthquake. The isolation system has a good isolation effect, the structure can meet the seismic requirements.