| 1. | Threedimensional seismic response analysis of jinma bridge under response spectrum method 基于反应谱法的金马大桥的三维地震响应分析 |
| 2. | Response spectrum method is not exact for analyzing large span cfst arch bridge 为了研究南浦大桥的实际受力性能及稳定性,对该桥进行了模型试验研究。 |
| 3. | In this essay , the answer to natural frequency of vibration and periodic time will given in the response spectrum method 而本文是通过反应谱法,求解泵站的自振频率、周期。 |
| 4. | 6 . uses the response spectrum method and the random seismic response method to analyze the anti - seismic capacity of jinma bridge 6 、运用反应谱理论和随机振动方法比较分析了金马大桥的抗震性能。 |
| 5. | So far , however , the response spectrum method ( rsm ) adopted as the most important tool by the code is unable to deal with such problems 但目前设计规范采用的反应谱法不能处理这类问题。时程分析法因计算量很大,亦难在工程中得到普及。 |
| 6. | A method for analyzing 3d seismic dynamic reliability of gravity dam is presented based on first - passage theory , design point method and response spectrum method 摘要基于首次超越破坏机制的理论,在三维重力坝的地震动力可靠性分析方面作了有益的探索。 |
| 7. | When the structural seismic responses of suspension - mass pendulums were analyzed with response spectrum method , the vibration modal numbers considered were to be structural first vibration modal and previous vibration modals of structural vibration as well 用反应谱法对悬吊结构进行地震反应分析时,所考虑的振型数应为结构的第一振型和相应于结构振动的前几个振型。 |
| 8. | Modal parameters identification include ods , ods mainly use matlab procedure ( response spectrum method , ssi ) for dealing with the experiment data . response spectrum method is using aps , cps to identify modal parameters including resonant frequencies , damping and model shapes 本文采用的参数识别方法是不测力法,即基于环境激励的模态参数识别方法。不测力法主要通过自己编写的matlab程序(响应谱分析法,随机子空间法)对试验数据进行处理。 |
| 9. | Powerhouse structure has been usually looked as an elastic body for dynamical analysis and the seismic reaction has been often analyzed by response spectrum method until the present , but the materials of power - house structure are elastoplastic in nature , small tensile stress may induce cracks 摘要以往对水电站厂房结构进行动力分析时常被视为弹性体,在对其进行地震响应分析时,常采用反应谱分析方法,而实际的厂房结构是弹塑性的,不很大的拉应力即可产生裂缝。 |